diff --git a/sys/arm64/arm64/elf_machdep.c b/sys/arm64/arm64/elf_machdep.c index d98512b71e6c..383a0911b7fe 100644 --- a/sys/arm64/arm64/elf_machdep.c +++ b/sys/arm64/arm64/elf_machdep.c @@ -1,294 +1,332 @@ /*- * Copyright (c) 2014, 2015 The FreeBSD Foundation. * Copyright (c) 2014 Andrew Turner. * All rights reserved. * * This software was developed by Andrew Turner under * sponsorship from the FreeBSD Foundation. * * Portions of this software were developed by Konstantin Belousov * under sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "linker_if.h" u_long __read_frequently elf_hwcap; u_long __read_frequently elf_hwcap2; +struct arm64_addr_mask elf64_addr_mask; + static struct sysentvec elf64_freebsd_sysvec = { .sv_size = SYS_MAXSYSCALL, .sv_table = sysent, .sv_transtrap = NULL, .sv_fixup = __elfN(freebsd_fixup), .sv_sendsig = sendsig, .sv_sigcode = sigcode, .sv_szsigcode = &szsigcode, .sv_name = "FreeBSD ELF64", .sv_coredump = __elfN(coredump), .sv_elf_core_osabi = ELFOSABI_FREEBSD, .sv_elf_core_abi_vendor = FREEBSD_ABI_VENDOR, .sv_elf_core_prepare_notes = __elfN(prepare_notes), .sv_imgact_try = NULL, .sv_minsigstksz = MINSIGSTKSZ, .sv_minuser = VM_MIN_ADDRESS, .sv_maxuser = VM_MAXUSER_ADDRESS, .sv_usrstack = USRSTACK, .sv_psstrings = PS_STRINGS, .sv_psstringssz = sizeof(struct ps_strings), .sv_stackprot = VM_PROT_READ | VM_PROT_WRITE, .sv_copyout_auxargs = __elfN(freebsd_copyout_auxargs), .sv_copyout_strings = exec_copyout_strings, .sv_setregs = exec_setregs, .sv_fixlimit = NULL, .sv_maxssiz = NULL, .sv_flags = SV_SHP | SV_TIMEKEEP | SV_ABI_FREEBSD | SV_LP64 | SV_ASLR | SV_RNG_SEED_VER, .sv_set_syscall_retval = cpu_set_syscall_retval, .sv_fetch_syscall_args = cpu_fetch_syscall_args, .sv_syscallnames = syscallnames, .sv_shared_page_base = SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = NULL, .sv_thread_detach = NULL, .sv_trap = NULL, .sv_hwcap = &elf_hwcap, .sv_hwcap2 = &elf_hwcap2, .sv_onexec_old = exec_onexec_old, .sv_onexit = exit_onexit, .sv_regset_begin = SET_BEGIN(__elfN(regset)), .sv_regset_end = SET_LIMIT(__elfN(regset)), }; INIT_SYSENTVEC(elf64_sysvec, &elf64_freebsd_sysvec); static Elf64_Brandinfo freebsd_brand_info = { .brand = ELFOSABI_FREEBSD, .machine = EM_AARCH64, .compat_3_brand = "FreeBSD", .emul_path = NULL, .interp_path = "/libexec/ld-elf.so.1", .sysvec = &elf64_freebsd_sysvec, .interp_newpath = NULL, .brand_note = &elf64_freebsd_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; SYSINIT(elf64, SI_SUB_EXEC, SI_ORDER_FIRST, (sysinit_cfunc_t)elf64_insert_brand_entry, &freebsd_brand_info); +static bool +get_arm64_addr_mask(struct regset *rs, struct thread *td, void *buf, + size_t *sizep) +{ + if (buf != NULL) { + KASSERT(*sizep == sizeof(elf64_addr_mask), + ("%s: invalid size", __func__)); + memcpy(buf, &elf64_addr_mask, sizeof(elf64_addr_mask)); + } + *sizep = sizeof(elf64_addr_mask); + + return (true); +} + +static struct regset regset_arm64_addr_mask = { + .note = NT_ARM_ADDR_MASK, + .size = sizeof(struct arm64_addr_mask), + .get = get_arm64_addr_mask, +}; +ELF_REGSET(regset_arm64_addr_mask); + void -elf64_dump_thread(struct thread *td __unused, void *dst __unused, - size_t *off __unused) +elf64_dump_thread(struct thread *td, void *dst, size_t *off) { + struct arm64_addr_mask addr_mask; + size_t len, mask_size; + + len = 0; + if (dst != NULL) { + mask_size = sizeof(addr_mask); + get_arm64_addr_mask(®set_arm64_addr_mask, td, &addr_mask, + &mask_size); + + len += elf64_populate_note(NT_ARM_ADDR_MASK, &addr_mask, dst, + sizeof(addr_mask), NULL); + } else { + len += elf64_populate_note(NT_ARM_ADDR_MASK, NULL, NULL, + sizeof(addr_mask), NULL); + } + *off += len; } bool elf_is_ifunc_reloc(Elf_Size r_info __unused) { return (ELF_R_TYPE(r_info) == R_AARCH64_IRELATIVE); } static int reloc_instr_imm(Elf32_Addr *where, Elf_Addr val, u_int msb, u_int lsb) { /* Check bounds: upper bits must be all ones or all zeros. */ if ((uint64_t)((int64_t)val >> (msb + 1)) + 1 > 1) return (-1); val >>= lsb; val &= (1 << (msb - lsb + 1)) - 1; *where |= (Elf32_Addr)val; return (0); } /* * Process a relocation. Support for some static relocations is required * in order for the -zifunc-noplt optimization to work. */ static int elf_reloc_internal(linker_file_t lf, Elf_Addr relocbase, const void *data, int type, int flags, elf_lookup_fn lookup) { #define ARM64_ELF_RELOC_LOCAL (1 << 0) #define ARM64_ELF_RELOC_LATE_IFUNC (1 << 1) Elf_Addr *where, addr, addend, val; Elf_Word rtype, symidx; const Elf_Rel *rel; const Elf_Rela *rela; int error; switch (type) { case ELF_RELOC_REL: rel = (const Elf_Rel *)data; where = (Elf_Addr *) (relocbase + rel->r_offset); addend = *where; rtype = ELF_R_TYPE(rel->r_info); symidx = ELF_R_SYM(rel->r_info); break; case ELF_RELOC_RELA: rela = (const Elf_Rela *)data; where = (Elf_Addr *) (relocbase + rela->r_offset); addend = rela->r_addend; rtype = ELF_R_TYPE(rela->r_info); symidx = ELF_R_SYM(rela->r_info); break; default: panic("unknown reloc type %d\n", type); } if ((flags & ARM64_ELF_RELOC_LATE_IFUNC) != 0) { KASSERT(type == ELF_RELOC_RELA, ("Only RELA ifunc relocations are supported")); if (rtype != R_AARCH64_IRELATIVE) return (0); } if ((flags & ARM64_ELF_RELOC_LOCAL) != 0) { if (rtype == R_AARCH64_RELATIVE) *where = elf_relocaddr(lf, relocbase + addend); return (0); } error = 0; switch (rtype) { case R_AARCH64_NONE: case R_AARCH64_RELATIVE: break; case R_AARCH64_TSTBR14: error = lookup(lf, symidx, 1, &addr); if (error != 0) return (-1); error = reloc_instr_imm((Elf32_Addr *)where, addr + addend - (Elf_Addr)where, 15, 2); break; case R_AARCH64_CONDBR19: error = lookup(lf, symidx, 1, &addr); if (error != 0) return (-1); error = reloc_instr_imm((Elf32_Addr *)where, addr + addend - (Elf_Addr)where, 20, 2); break; case R_AARCH64_JUMP26: case R_AARCH64_CALL26: error = lookup(lf, symidx, 1, &addr); if (error != 0) return (-1); error = reloc_instr_imm((Elf32_Addr *)where, addr + addend - (Elf_Addr)where, 27, 2); break; case R_AARCH64_ABS64: case R_AARCH64_GLOB_DAT: case R_AARCH64_JUMP_SLOT: error = lookup(lf, symidx, 1, &addr); if (error != 0) return (-1); *where = addr + addend; break; case R_AARCH64_IRELATIVE: addr = relocbase + addend; val = ((Elf64_Addr (*)(void))addr)(); if (*where != val) *where = val; break; default: printf("kldload: unexpected relocation type %d, " "symbol index %d\n", rtype, symidx); return (-1); } return (error); } int elf_reloc_local(linker_file_t lf, Elf_Addr relocbase, const void *data, int type, elf_lookup_fn lookup) { return (elf_reloc_internal(lf, relocbase, data, type, ARM64_ELF_RELOC_LOCAL, lookup)); } /* Process one elf relocation with addend. */ int elf_reloc(linker_file_t lf, Elf_Addr relocbase, const void *data, int type, elf_lookup_fn lookup) { return (elf_reloc_internal(lf, relocbase, data, type, 0, lookup)); } int elf_reloc_late(linker_file_t lf, Elf_Addr relocbase, const void *data, int type, elf_lookup_fn lookup) { return (elf_reloc_internal(lf, relocbase, data, type, ARM64_ELF_RELOC_LATE_IFUNC, lookup)); } int elf_cpu_load_file(linker_file_t lf) { if (lf->id != 1) cpu_icache_sync_range((vm_offset_t)lf->address, lf->size); return (0); } int elf_cpu_unload_file(linker_file_t lf __unused) { return (0); } int elf_cpu_parse_dynamic(caddr_t loadbase __unused, Elf_Dyn *dynamic __unused) { return (0); } diff --git a/sys/arm64/arm64/ptrauth.c b/sys/arm64/arm64/ptrauth.c index aa0591e351bb..5c129820cd37 100644 --- a/sys/arm64/arm64/ptrauth.c +++ b/sys/arm64/arm64/ptrauth.c @@ -1,262 +1,268 @@ /*- * Copyright (c) 2021 The FreeBSD Foundation * * This software was developed by Andrew Turner under sponsorship from * the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * This manages pointer authentication. As it needs to enable the use of * pointer authentication and change the keys we must built this with * pointer authentication disabled. */ #ifdef __ARM_FEATURE_PAC_DEFAULT #error Must be built with pointer authentication disabled #endif #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include +#include +#include #define SCTLR_PTRAUTH (SCTLR_EnIA | SCTLR_EnIB | SCTLR_EnDA | SCTLR_EnDB) static bool __read_mostly enable_ptrauth = false; /* Functions called from assembly. */ void ptrauth_start(void); struct thread *ptrauth_switch(struct thread *); void ptrauth_exit_el0(struct thread *); void ptrauth_enter_el0(struct thread *); void ptrauth_init(void) { uint64_t isar1; int pac_enable; /* * Allow the sysadmin to disable pointer authentication globally, * e.g. on broken hardware. */ pac_enable = 1; TUNABLE_INT_FETCH("hw.pac.enable", &pac_enable); if (!pac_enable) { if (boothowto & RB_VERBOSE) printf("Pointer authentication is disabled\n"); return; } get_kernel_reg(ID_AA64ISAR1_EL1, &isar1); /* * This assumes if there is pointer authentication on the boot CPU * it will also be available on any non-boot CPUs. If this is ever * not the case we will have to add a quirk. */ - if (ID_AA64ISAR1_APA_VAL(isar1) > 0 || ID_AA64ISAR1_API_VAL(isar1) > 0) + if (ID_AA64ISAR1_APA_VAL(isar1) > 0 || + ID_AA64ISAR1_API_VAL(isar1) > 0) { enable_ptrauth = true; + elf64_addr_mask.code |= PAC_ADDR_MASK; + elf64_addr_mask.data |= PAC_ADDR_MASK; + } } /* Copy the keys when forking a new process */ void ptrauth_fork(struct thread *new_td, struct thread *orig_td) { if (!enable_ptrauth) return; memcpy(&new_td->td_md.md_ptrauth_user, &orig_td->td_md.md_ptrauth_user, sizeof(new_td->td_md.md_ptrauth_user)); } /* Generate new userspace keys when executing a new process */ void ptrauth_exec(struct thread *td) { if (!enable_ptrauth) return; arc4rand(&td->td_md.md_ptrauth_user, sizeof(td->td_md.md_ptrauth_user), 0); } /* * Copy the user keys when creating a new userspace thread until it's clear * how the ABI expects the various keys to be assigned. */ void ptrauth_copy_thread(struct thread *new_td, struct thread *orig_td) { if (!enable_ptrauth) return; memcpy(&new_td->td_md.md_ptrauth_user, &orig_td->td_md.md_ptrauth_user, sizeof(new_td->td_md.md_ptrauth_user)); } /* Generate new kernel keys when executing a new kernel thread */ void ptrauth_thread_alloc(struct thread *td) { if (!enable_ptrauth) return; arc4rand(&td->td_md.md_ptrauth_kern, sizeof(td->td_md.md_ptrauth_kern), 0); } /* * Load the userspace keys. We can't use WRITE_SPECIALREG as we need * to set the architecture extension. */ #define LOAD_KEY(space, name) \ __asm __volatile( \ ".arch_extension pauth \n" \ "msr "#name"keylo_el1, %0 \n" \ "msr "#name"keyhi_el1, %1 \n" \ ".arch_extension nopauth \n" \ :: "r"(td->td_md.md_ptrauth_##space.name.pa_key_lo), \ "r"(td->td_md.md_ptrauth_##space.name.pa_key_hi)) void ptrauth_thread0(struct thread *td) { if (!enable_ptrauth) return; /* TODO: Generate a random number here */ memset(&td->td_md.md_ptrauth_kern, 0, sizeof(td->td_md.md_ptrauth_kern)); LOAD_KEY(kern, apia); /* * No isb as this is called before ptrauth_start so can rely on * the instruction barrier there. */ } /* * Enable pointer authentication. After this point userspace and the kernel * can sign return addresses, etc. based on their keys * * This assumes either all or no CPUs have pointer authentication support, * and, if supported, all CPUs have the same algorithm. */ void ptrauth_start(void) { uint64_t sctlr; if (!enable_ptrauth) return; /* Enable pointer authentication */ sctlr = READ_SPECIALREG(sctlr_el1); sctlr |= SCTLR_PTRAUTH; WRITE_SPECIALREG(sctlr_el1, sctlr); isb(); } #ifdef SMP void ptrauth_mp_start(uint64_t cpu) { struct ptrauth_key start_key; uint64_t sctlr; if (!enable_ptrauth) return; /* * We need a key until we call sched_throw, however we don't have * a thread until then. Create a key just for use within * init_secondary and whatever it calls. As init_secondary never * returns it is safe to do so from within it. * * As it's only used for a short length of time just use the cpu * as the key. */ start_key.pa_key_lo = cpu; start_key.pa_key_hi = ~cpu; __asm __volatile( ".arch_extension pauth \n" "msr apiakeylo_el1, %0 \n" "msr apiakeyhi_el1, %1 \n" ".arch_extension nopauth \n" :: "r"(start_key.pa_key_lo), "r"(start_key.pa_key_hi)); /* Enable pointer authentication */ sctlr = READ_SPECIALREG(sctlr_el1); sctlr |= SCTLR_PTRAUTH; WRITE_SPECIALREG(sctlr_el1, sctlr); isb(); } #endif struct thread * ptrauth_switch(struct thread *td) { if (enable_ptrauth) { LOAD_KEY(kern, apia); isb(); } return (td); } /* Called when we are exiting uerspace and entering the kernel */ void ptrauth_exit_el0(struct thread *td) { if (!enable_ptrauth) return; LOAD_KEY(kern, apia); isb(); } /* Called when we are about to exit the kernel and enter userspace */ void ptrauth_enter_el0(struct thread *td) { if (!enable_ptrauth) return; LOAD_KEY(user, apia); LOAD_KEY(user, apib); LOAD_KEY(user, apda); LOAD_KEY(user, apdb); LOAD_KEY(user, apga); /* * No isb as this is called from the exception handler so can rely * on the eret instruction to be the needed context synchronizing event. */ } diff --git a/sys/arm64/include/cpu.h b/sys/arm64/include/cpu.h index a6a606b58912..d3b13470a9be 100644 --- a/sys/arm64/include/cpu.h +++ b/sys/arm64/include/cpu.h @@ -1,235 +1,238 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * Copyright (c) 2014-2016 The FreeBSD Foundation * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Portions of this software were developed by Andrew Turner * under sponsorship from the FreeBSD Foundation * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)cpu.h 5.4 (Berkeley) 5/9/91 * from: FreeBSD: src/sys/i386/include/cpu.h,v 1.62 2001/06/29 * $FreeBSD$ */ #ifndef _MACHINE_CPU_H_ #define _MACHINE_CPU_H_ #include #include #include #define TRAPF_PC(tfp) ((tfp)->tf_elr) #define TRAPF_USERMODE(tfp) (((tfp)->tf_spsr & PSR_M_MASK) == PSR_M_EL0t) #define cpu_getstack(td) ((td)->td_frame->tf_sp) #define cpu_setstack(td, sp) ((td)->td_frame->tf_sp = (sp)) #define cpu_spinwait() __asm __volatile("yield" ::: "memory") #define cpu_lock_delay() DELAY(1) /* Extract CPU affinity levels 0-3 */ #define CPU_AFF0(mpidr) (u_int)(((mpidr) >> 0) & 0xff) #define CPU_AFF1(mpidr) (u_int)(((mpidr) >> 8) & 0xff) #define CPU_AFF2(mpidr) (u_int)(((mpidr) >> 16) & 0xff) #define CPU_AFF3(mpidr) (u_int)(((mpidr) >> 32) & 0xff) #define CPU_AFF0_MASK 0xffUL #define CPU_AFF1_MASK 0xff00UL #define CPU_AFF2_MASK 0xff0000UL #define CPU_AFF3_MASK 0xff00000000UL #define CPU_AFF_MASK (CPU_AFF0_MASK | CPU_AFF1_MASK | \ CPU_AFF2_MASK| CPU_AFF3_MASK) /* Mask affinity fields in MPIDR_EL1 */ #ifdef _KERNEL #define CPU_IMPL_ARM 0x41 #define CPU_IMPL_BROADCOM 0x42 #define CPU_IMPL_CAVIUM 0x43 #define CPU_IMPL_DEC 0x44 #define CPU_IMPL_INFINEON 0x49 #define CPU_IMPL_FREESCALE 0x4D #define CPU_IMPL_NVIDIA 0x4E #define CPU_IMPL_APM 0x50 #define CPU_IMPL_QUALCOMM 0x51 #define CPU_IMPL_MARVELL 0x56 #define CPU_IMPL_APPLE 0x61 #define CPU_IMPL_INTEL 0x69 /* ARM Part numbers */ #define CPU_PART_FOUNDATION 0xD00 #define CPU_PART_CORTEX_A53 0xD03 #define CPU_PART_CORTEX_A35 0xD04 #define CPU_PART_CORTEX_A55 0xD05 #define CPU_PART_CORTEX_A65 0xD06 #define CPU_PART_CORTEX_A57 0xD07 #define CPU_PART_CORTEX_A72 0xD08 #define CPU_PART_CORTEX_A73 0xD09 #define CPU_PART_CORTEX_A75 0xD0A #define CPU_PART_CORTEX_A76 0xD0B #define CPU_PART_NEOVERSE_N1 0xD0C #define CPU_PART_CORTEX_A77 0xD0D #define CPU_PART_CORTEX_A76AE 0xD0E #define CPU_PART_AEM_V8 0xD0F /* Cavium Part numbers */ #define CPU_PART_THUNDERX 0x0A1 #define CPU_PART_THUNDERX_81XX 0x0A2 #define CPU_PART_THUNDERX_83XX 0x0A3 #define CPU_PART_THUNDERX2 0x0AF #define CPU_REV_THUNDERX_1_0 0x00 #define CPU_REV_THUNDERX_1_1 0x01 #define CPU_REV_THUNDERX2_0 0x00 /* APM / Ampere Part Number */ #define CPU_PART_EMAG8180 0x000 #define CPU_IMPL(midr) (((midr) >> 24) & 0xff) #define CPU_PART(midr) (((midr) >> 4) & 0xfff) #define CPU_VAR(midr) (((midr) >> 20) & 0xf) #define CPU_REV(midr) (((midr) >> 0) & 0xf) #define CPU_IMPL_TO_MIDR(val) (((val) & 0xff) << 24) #define CPU_PART_TO_MIDR(val) (((val) & 0xfff) << 4) #define CPU_VAR_TO_MIDR(val) (((val) & 0xf) << 20) #define CPU_REV_TO_MIDR(val) (((val) & 0xf) << 0) #define CPU_IMPL_MASK (0xff << 24) #define CPU_PART_MASK (0xfff << 4) #define CPU_VAR_MASK (0xf << 20) #define CPU_REV_MASK (0xf << 0) #define CPU_ID_RAW(impl, part, var, rev) \ (CPU_IMPL_TO_MIDR((impl)) | \ CPU_PART_TO_MIDR((part)) | CPU_VAR_TO_MIDR((var)) | \ CPU_REV_TO_MIDR((rev))) #define CPU_MATCH(mask, impl, part, var, rev) \ (((mask) & PCPU_GET(midr)) == \ ((mask) & CPU_ID_RAW((impl), (part), (var), (rev)))) #define CPU_MATCH_RAW(mask, devid) \ (((mask) & PCPU_GET(midr)) == ((mask) & (devid))) /* * Chip-specific errata. This defines are intended to be * booleans used within if statements. When an appropriate * kernel option is disabled, these defines must be defined * as 0 to allow the compiler to remove a dead code thus * produce better optimized kernel image. */ /* * Vendor: Cavium * Chip: ThunderX * Revision(s): Pass 1.0, Pass 1.1 */ #ifdef THUNDERX_PASS_1_1_ERRATA #define CPU_MATCH_ERRATA_CAVIUM_THUNDERX_1_1 \ (CPU_MATCH(CPU_IMPL_MASK | CPU_PART_MASK | CPU_REV_MASK, \ CPU_IMPL_CAVIUM, CPU_PART_THUNDERX, 0, CPU_REV_THUNDERX_1_0) || \ CPU_MATCH(CPU_IMPL_MASK | CPU_PART_MASK | CPU_REV_MASK, \ CPU_IMPL_CAVIUM, CPU_PART_THUNDERX, 0, CPU_REV_THUNDERX_1_1)) #else #define CPU_MATCH_ERRATA_CAVIUM_THUNDERX_1_1 0 #endif extern char btext[]; extern char etext[]; extern uint64_t __cpu_affinity[]; +struct arm64_addr_mask; +extern struct arm64_addr_mask elf64_addr_mask; + void cpu_halt(void) __dead2; void cpu_reset(void) __dead2; void fork_trampoline(void); void identify_cache(uint64_t); void identify_cpu(u_int); void install_cpu_errata(void); /* Pointer Authentication Code (PAC) support */ void ptrauth_init(void); void ptrauth_fork(struct thread *, struct thread *); void ptrauth_exec(struct thread *); void ptrauth_copy_thread(struct thread *, struct thread *); void ptrauth_thread_alloc(struct thread *); void ptrauth_thread0(struct thread *); #ifdef SMP void ptrauth_mp_start(uint64_t); #endif /* Pointer Authentication Code (PAC) support */ void ptrauth_init(void); void ptrauth_fork(struct thread *, struct thread *); void ptrauth_exec(struct thread *); void ptrauth_copy_thread(struct thread *, struct thread *); void ptrauth_thread_alloc(struct thread *); void ptrauth_thread0(struct thread *); #ifdef SMP void ptrauth_mp_start(uint64_t); #endif /* Functions to read the sanitised view of the special registers */ void update_special_regs(u_int); bool extract_user_id_field(u_int, u_int, uint8_t *); bool get_kernel_reg(u_int, uint64_t *); #define CPU_AFFINITY(cpu) __cpu_affinity[(cpu)] #define CPU_CURRENT_SOCKET \ (CPU_AFF2(CPU_AFFINITY(PCPU_GET(cpuid)))) static __inline uint64_t get_cyclecount(void) { uint64_t ret; ret = READ_SPECIALREG(cntvct_el0); return (ret); } #define ADDRESS_TRANSLATE_FUNC(stage) \ static inline uint64_t \ arm64_address_translate_ ##stage (uint64_t addr) \ { \ uint64_t ret; \ \ __asm __volatile( \ "at " __STRING(stage) ", %1 \n" \ "mrs %0, par_el1" : "=r"(ret) : "r"(addr)); \ \ return (ret); \ } ADDRESS_TRANSLATE_FUNC(s1e0r) ADDRESS_TRANSLATE_FUNC(s1e0w) ADDRESS_TRANSLATE_FUNC(s1e1r) ADDRESS_TRANSLATE_FUNC(s1e1w) #endif #endif /* !_MACHINE_CPU_H_ */ diff --git a/sys/arm64/include/reg.h b/sys/arm64/include/reg.h index bb151af55ba6..44b2e2b21b72 100644 --- a/sys/arm64/include/reg.h +++ b/sys/arm64/include/reg.h @@ -1,88 +1,93 @@ /*- * Copyright (c) 2014 Andrew Turner * Copyright (c) 2014-2015 The FreeBSD Foundation * All rights reserved. * * This software was developed by Andrew Turner under * sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _MACHINE_REG_H_ #define _MACHINE_REG_H_ #include struct reg { __uint64_t x[30]; __uint64_t lr; __uint64_t sp; __uint64_t elr; __uint32_t spsr; }; struct reg32 { unsigned int r[13]; unsigned int r_sp; unsigned int r_lr; unsigned int r_pc; unsigned int r_cpsr; }; struct fpreg { __uint128_t fp_q[32]; __uint32_t fp_sr; __uint32_t fp_cr; }; struct fpreg32 { int dummy; }; struct dbreg { __uint8_t db_debug_ver; __uint8_t db_nbkpts; __uint8_t db_nwtpts; __uint8_t db_pad[5]; struct { __uint64_t dbr_addr; __uint32_t dbr_ctrl; __uint32_t dbr_pad; } db_breakregs[16]; struct { __uint64_t dbw_addr; __uint32_t dbw_ctrl; __uint32_t dbw_pad; } db_watchregs[16]; }; struct dbreg32 { int dummy; }; +struct arm64_addr_mask { + __uint64_t code; + __uint64_t data; +}; + #define __HAVE_REG32 #endif /* !_MACHINE_REG_H_ */ diff --git a/sys/arm64/include/vmparam.h b/sys/arm64/include/vmparam.h index 3e08b0a513b9..483c6d1f91a2 100644 --- a/sys/arm64/include/vmparam.h +++ b/sys/arm64/include/vmparam.h @@ -1,264 +1,267 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * Copyright (c) 1994 John S. Dyson * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)vmparam.h 5.9 (Berkeley) 5/12/91 * from: FreeBSD: src/sys/i386/include/vmparam.h,v 1.33 2000/03/30 * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ /* * Virtual memory related constants, all in bytes */ #ifndef MAXTSIZ #define MAXTSIZ (1*1024*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (128*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (1*1024*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (128*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (1*1024*1024*1024) /* max stack size */ #endif #ifndef SGROWSIZ #define SGROWSIZ (128*1024) /* amount to grow stack */ #endif /* * The physical address space is sparsely populated. */ #define VM_PHYSSEG_SPARSE /* * The number of PHYSSEG entries. */ #define VM_PHYSSEG_MAX 64 /* * Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create one free page lists: VM_FREELIST_DEFAULT is for all physical * pages. */ #define VM_NFREELIST 1 #define VM_FREELIST_DEFAULT 0 /* * An allocation size of 16MB is supported in order to optimize the * use of the direct map by UMA. Specifically, a cache line contains * at most four TTEs, collectively mapping 16MB of physical memory. * By reducing the number of distinct 16MB "pages" that are used by UMA, * the physical memory allocator reduces the likelihood of both 4MB * page TLB misses and cache misses caused by 4MB page TLB misses. */ #define VM_NFREEORDER 12 /* * Enable superpage reservations: 1 level. */ #ifndef VM_NRESERVLEVEL #define VM_NRESERVLEVEL 1 #endif /* * Level 0 reservations consist of 512 pages. */ #ifndef VM_LEVEL_0_ORDER #define VM_LEVEL_0_ORDER 9 #endif /** * Address space layout. * * ARMv8 implements up to a 48 bit virtual address space. The address space is * split into 2 regions at each end of the 64 bit address space, with an * out of range "hole" in the middle. * * We use the full 48 bits for each region, however the kernel may only use * a limited range within this space. * * Upper region: 0xffffffffffffffff Top of virtual memory * * 0xfffffeffffffffff End of DMAP * 0xfffffd0000000000 Start of DMAP * * 0xffff007fffffffff End of KVA * 0xffff000000000000 Kernel base address & start of KVA * * Hole: 0xfffeffffffffffff * 0x0001000000000000 * * Lower region: 0x0000ffffffffffff End of user address space * 0x0000000000000000 Start of user address space * * We use the upper region for the kernel, and the lower region for userland. * * We define some interesting address constants: * * VM_MIN_ADDRESS and VM_MAX_ADDRESS define the start and end of the entire * 64 bit address space, mostly just for convenience. * * VM_MIN_KERNEL_ADDRESS and VM_MAX_KERNEL_ADDRESS define the start and end of * mappable kernel virtual address space. * * VM_MIN_USER_ADDRESS and VM_MAX_USER_ADDRESS define the start and end of the * user address space. */ #define VM_MIN_ADDRESS (0x0000000000000000UL) #define VM_MAX_ADDRESS (0xffffffffffffffffUL) /* 512 GiB of kernel addresses */ #define VM_MIN_KERNEL_ADDRESS (0xffff000000000000UL) #define VM_MAX_KERNEL_ADDRESS (0xffff008000000000UL) +/* The address bits that hold a pointer authentication code */ +#define PAC_ADDR_MASK (0xff7f000000000000UL) + /* If true addr is in the kernel address space */ #define ADDR_IS_KERNEL(addr) (((addr) & (1ul << 55)) == (1ul << 55)) /* If true addr is in its canonical form (i.e. no TBI, PAC, etc.) */ #define ADDR_IS_CANONICAL(addr) \ (((addr) & 0xffff000000000000UL) == 0 || \ ((addr) & 0xffff000000000000UL) == 0xffff000000000000UL) #define ADDR_MAKE_CANONICAL(addr) ({ \ __typeof(addr) _tmp_addr = (addr); \ \ _tmp_addr &= ~0xffff000000000000UL; \ if (ADDR_IS_KERNEL(addr)) \ _tmp_addr |= 0xffff000000000000UL; \ \ _tmp_addr; \ }) /* 95 TiB maximum for the direct map region */ #define DMAP_MIN_ADDRESS (0xffffa00000000000UL) #define DMAP_MAX_ADDRESS (0xffffff0000000000UL) #define DMAP_MIN_PHYSADDR (dmap_phys_base) #define DMAP_MAX_PHYSADDR (dmap_phys_max) /* True if pa is in the dmap range */ #define PHYS_IN_DMAP(pa) ((pa) >= DMAP_MIN_PHYSADDR && \ (pa) < DMAP_MAX_PHYSADDR) /* True if va is in the dmap range */ #define VIRT_IN_DMAP(va) ((va) >= DMAP_MIN_ADDRESS && \ (va) < (dmap_max_addr)) #define PMAP_HAS_DMAP 1 #define PHYS_TO_DMAP(pa) \ ({ \ KASSERT(PHYS_IN_DMAP(pa), \ ("%s: PA out of range, PA: 0x%lx", __func__, \ (vm_paddr_t)(pa))); \ ((pa) - dmap_phys_base) + DMAP_MIN_ADDRESS; \ }) #define DMAP_TO_PHYS(va) \ ({ \ KASSERT(VIRT_IN_DMAP(va), \ ("%s: VA out of range, VA: 0x%lx", __func__, \ (vm_offset_t)(va))); \ ((va) - DMAP_MIN_ADDRESS) + dmap_phys_base; \ }) #define VM_MIN_USER_ADDRESS (0x0000000000000000UL) #define VM_MAX_USER_ADDRESS (0x0001000000000000UL) #define VM_MINUSER_ADDRESS (VM_MIN_USER_ADDRESS) #define VM_MAXUSER_ADDRESS (VM_MAX_USER_ADDRESS) #define KERNBASE (VM_MIN_KERNEL_ADDRESS) #define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE) #define USRSTACK SHAREDPAGE /* * How many physical pages per kmem arena virtual page. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (1) #endif /* * Optional ceiling (in bytes) on the size of the kmem arena: 60% of the * kernel map. */ #ifndef VM_KMEM_SIZE_MAX #define VM_KMEM_SIZE_MAX ((VM_MAX_KERNEL_ADDRESS - \ VM_MIN_KERNEL_ADDRESS + 1) * 3 / 5) #endif /* * Initial pagein size of beginning of executable file. */ #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #define UMA_MD_SMALL_ALLOC #ifndef LOCORE extern vm_paddr_t dmap_phys_base; extern vm_paddr_t dmap_phys_max; extern vm_offset_t dmap_max_addr; extern vm_offset_t vm_max_kernel_address; #endif #define ZERO_REGION_SIZE (64 * 1024) /* 64KB */ #define DEVMAP_MAX_VADDR VM_MAX_KERNEL_ADDRESS /* * The pmap can create non-transparent large page mappings. */ #define PMAP_HAS_LARGEPAGES 1 /* * Need a page dump array for minidump. */ #define MINIDUMP_PAGE_TRACKING 1 #endif /* !_MACHINE_VMPARAM_H_ */ diff --git a/sys/sys/elf_common.h b/sys/sys/elf_common.h index b8629fec8cbc..0bc93659adc5 100644 --- a/sys/sys/elf_common.h +++ b/sys/sys/elf_common.h @@ -1,1501 +1,1502 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2017, 2018 Dell EMC * Copyright (c) 2000, 2001, 2008, 2011, David E. O'Brien * Copyright (c) 1998 John D. Polstra. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _SYS_ELF_COMMON_H_ #define _SYS_ELF_COMMON_H_ 1 /* * ELF definitions that are independent of architecture or word size. */ /* * Note header. The ".note" section contains an array of notes. Each * begins with this header, aligned to a word boundary. Immediately * following the note header is n_namesz bytes of name, padded to the * next word boundary. Then comes n_descsz bytes of descriptor, again * padded to a word boundary. The values of n_namesz and n_descsz do * not include the padding. */ #ifndef LOCORE typedef struct { u_int32_t n_namesz; /* Length of name. */ u_int32_t n_descsz; /* Length of descriptor. */ u_int32_t n_type; /* Type of this note. */ } Elf_Note; typedef Elf_Note Elf_Nhdr; #endif /* * Option kinds. */ #define ODK_NULL 0 /* undefined */ #define ODK_REGINFO 1 /* register usage info */ #define ODK_EXCEPTIONS 2 /* exception processing info */ #define ODK_PAD 3 /* section padding */ #define ODK_HWPATCH 4 /* hardware patch applied */ #define ODK_FILL 5 /* fill value used by the linker */ #define ODK_TAGS 6 /* reserved space for tools */ #define ODK_HWAND 7 /* hardware AND patch applied */ #define ODK_HWOR 8 /* hardware OR patch applied */ #define ODK_GP_GROUP 9 /* GP group for text/data sections */ #define ODK_IDENT 10 /* ID information */ #define ODK_PAGESIZE 11 /* page size information */ /* * ODK_EXCEPTIONS info field masks. */ #define OEX_FPU_MIN 0x0000001f /* min FPU exception required */ #define OEX_FPU_MAX 0x00001f00 /* max FPU exception allowed */ #define OEX_PAGE0 0x00010000 /* page zero must be mapped */ #define OEX_SMM 0x00020000 /* run in sequential memory mode */ #define OEX_PRECISEFP 0x00040000 /* run in precise FP exception mode */ #define OEX_DISMISS 0x00080000 /* dismiss invalid address traps */ /* * ODK_PAD info field masks. */ #define OPAD_PREFIX 0x0001 #define OPAD_POSTFIX 0x0002 #define OPAD_SYMBOL 0x0004 /* * ODK_HWPATCH info field masks. */ #define OHW_R4KEOP 0x00000001 /* patch for R4000 branch at end-of-page bug */ #define OHW_R8KPFETCH 0x00000002 /* R8000 prefetch bug may occur */ #define OHW_R5KEOP 0x00000004 /* patch for R5000 branch at end-of-page bug */ #define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug: clean == 1 */ #define OHW_R10KLDL 0x00000010UL /* need patch for R10000 misaligned load */ /* * ODK_HWAND/ODK_HWOR info field and hwp_flags[12] masks. */ #define OHWA0_R4KEOP_CHECKED 0x00000001 /* object checked for R4000 end-of-page bug */ #define OHWA0_R4KEOP_CLEAN 0x00000002 /* object verified clean for R4000 end-of-page bug */ #define OHWO0_FIXADE 0x00000001 /* object requires call to fixade */ /* * ODK_IDENT/ODK_GP_GROUP info field masks. */ #define OGP_GROUP 0x0000ffff /* GP group number */ #define OGP_SELF 0x00010000 /* GP group is self-contained */ /* * The header for GNU-style hash sections. */ #ifndef LOCORE typedef struct { u_int32_t gh_nbuckets; /* Number of hash buckets. */ u_int32_t gh_symndx; /* First visible symbol in .dynsym. */ u_int32_t gh_maskwords; /* #maskwords used in bloom filter. */ u_int32_t gh_shift2; /* Bloom filter shift count. */ } Elf_GNU_Hash_Header; #endif /* Indexes into the e_ident array. Keep synced with http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ #define EI_MAG0 0 /* Magic number, byte 0. */ #define EI_MAG1 1 /* Magic number, byte 1. */ #define EI_MAG2 2 /* Magic number, byte 2. */ #define EI_MAG3 3 /* Magic number, byte 3. */ #define EI_CLASS 4 /* Class of machine. */ #define EI_DATA 5 /* Data format. */ #define EI_VERSION 6 /* ELF format version. */ #define EI_OSABI 7 /* Operating system / ABI identification */ #define EI_ABIVERSION 8 /* ABI version */ #define OLD_EI_BRAND 8 /* Start of architecture identification. */ #define EI_PAD 9 /* Start of padding (per SVR4 ABI). */ #define EI_NIDENT 16 /* Size of e_ident array. */ /* Values for the magic number bytes. */ #define ELFMAG0 0x7f #define ELFMAG1 'E' #define ELFMAG2 'L' #define ELFMAG3 'F' #define ELFMAG "\177ELF" /* magic string */ #define SELFMAG 4 /* magic string size */ /* Values for e_ident[EI_VERSION] and e_version. */ #define EV_NONE 0 #define EV_CURRENT 1 /* Values for e_ident[EI_CLASS]. */ #define ELFCLASSNONE 0 /* Unknown class. */ #define ELFCLASS32 1 /* 32-bit architecture. */ #define ELFCLASS64 2 /* 64-bit architecture. */ /* Values for e_ident[EI_DATA]. */ #define ELFDATANONE 0 /* Unknown data format. */ #define ELFDATA2LSB 1 /* 2's complement little-endian. */ #define ELFDATA2MSB 2 /* 2's complement big-endian. */ /* Values for e_ident[EI_OSABI]. */ #define ELFOSABI_NONE 0 /* UNIX System V ABI */ #define ELFOSABI_HPUX 1 /* HP-UX operating system */ #define ELFOSABI_NETBSD 2 /* NetBSD */ #define ELFOSABI_LINUX 3 /* GNU/Linux */ #define ELFOSABI_HURD 4 /* GNU/Hurd */ #define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */ #define ELFOSABI_SOLARIS 6 /* Solaris */ #define ELFOSABI_AIX 7 /* AIX */ #define ELFOSABI_IRIX 8 /* IRIX */ #define ELFOSABI_FREEBSD 9 /* FreeBSD */ #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ #define ELFOSABI_MODESTO 11 /* Novell Modesto */ #define ELFOSABI_OPENBSD 12 /* OpenBSD */ #define ELFOSABI_OPENVMS 13 /* Open VMS */ #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */ #define ELFOSABI_AROS 15 /* Amiga Research OS */ #define ELFOSABI_FENIXOS 16 /* FenixOS */ #define ELFOSABI_CLOUDABI 17 /* Nuxi CloudABI */ #define ELFOSABI_OPENVOS 18 /* Stratus Technologies OpenVOS */ #define ELFOSABI_ARM_AEABI 64 /* ARM EABI */ #define ELFOSABI_ARM 97 /* ARM */ #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ #define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */ #define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */ #define ELFOSABI_GNU ELFOSABI_LINUX /* e_ident */ #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ (ehdr).e_ident[EI_MAG3] == ELFMAG3) /* Values for e_type. */ #define ET_NONE 0 /* Unknown type. */ #define ET_REL 1 /* Relocatable. */ #define ET_EXEC 2 /* Executable. */ #define ET_DYN 3 /* Shared object. */ #define ET_CORE 4 /* Core file. */ #define ET_LOOS 0xfe00 /* First operating system specific. */ #define ET_HIOS 0xfeff /* Last operating system-specific. */ #define ET_LOPROC 0xff00 /* First processor-specific. */ #define ET_HIPROC 0xffff /* Last processor-specific. */ /* Values for e_machine. */ #define EM_NONE 0 /* Unknown machine. */ #define EM_M32 1 /* AT&T WE32100. */ #define EM_SPARC 2 /* Sun SPARC. */ #define EM_386 3 /* Intel i386. */ #define EM_68K 4 /* Motorola 68000. */ #define EM_88K 5 /* Motorola 88000. */ #define EM_IAMCU 6 /* Intel MCU. */ #define EM_860 7 /* Intel i860. */ #define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */ #define EM_S370 9 /* IBM System/370. */ #define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */ #define EM_PARISC 15 /* HP PA-RISC. */ #define EM_VPP500 17 /* Fujitsu VPP500. */ #define EM_SPARC32PLUS 18 /* SPARC v8plus. */ #define EM_960 19 /* Intel 80960. */ #define EM_PPC 20 /* PowerPC 32-bit. */ #define EM_PPC64 21 /* PowerPC 64-bit. */ #define EM_S390 22 /* IBM System/390. */ #define EM_V800 36 /* NEC V800. */ #define EM_FR20 37 /* Fujitsu FR20. */ #define EM_RH32 38 /* TRW RH-32. */ #define EM_RCE 39 /* Motorola RCE. */ #define EM_ARM 40 /* ARM. */ #define EM_SH 42 /* Hitachi SH. */ #define EM_SPARCV9 43 /* SPARC v9 64-bit. */ #define EM_TRICORE 44 /* Siemens TriCore embedded processor. */ #define EM_ARC 45 /* Argonaut RISC Core. */ #define EM_H8_300 46 /* Hitachi H8/300. */ #define EM_H8_300H 47 /* Hitachi H8/300H. */ #define EM_H8S 48 /* Hitachi H8S. */ #define EM_H8_500 49 /* Hitachi H8/500. */ #define EM_IA_64 50 /* Intel IA-64 Processor. */ #define EM_MIPS_X 51 /* Stanford MIPS-X. */ #define EM_COLDFIRE 52 /* Motorola ColdFire. */ #define EM_68HC12 53 /* Motorola M68HC12. */ #define EM_MMA 54 /* Fujitsu MMA. */ #define EM_PCP 55 /* Siemens PCP. */ #define EM_NCPU 56 /* Sony nCPU. */ #define EM_NDR1 57 /* Denso NDR1 microprocessor. */ #define EM_STARCORE 58 /* Motorola Star*Core processor. */ #define EM_ME16 59 /* Toyota ME16 processor. */ #define EM_ST100 60 /* STMicroelectronics ST100 processor. */ #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ processor. */ #define EM_X86_64 62 /* Advanced Micro Devices x86-64 */ #define EM_AMD64 EM_X86_64 /* Advanced Micro Devices x86-64 (compat) */ #define EM_PDSP 63 /* Sony DSP Processor. */ #define EM_FX66 66 /* Siemens FX66 microcontroller. */ #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 microcontroller. */ #define EM_ST7 68 /* STmicroelectronics ST7 8-bit microcontroller. */ #define EM_68HC16 69 /* Motorola MC68HC16 microcontroller. */ #define EM_68HC11 70 /* Motorola MC68HC11 microcontroller. */ #define EM_68HC08 71 /* Motorola MC68HC08 microcontroller. */ #define EM_68HC05 72 /* Motorola MC68HC05 microcontroller. */ #define EM_SVX 73 /* Silicon Graphics SVx. */ #define EM_ST19 74 /* STMicroelectronics ST19 8-bit mc. */ #define EM_VAX 75 /* Digital VAX. */ #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor. */ #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor. */ #define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor. */ #define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor. */ #define EM_MMIX 80 /* Donald Knuth's educational 64-bit proc. */ #define EM_HUANY 81 /* Harvard University machine-independent object files. */ #define EM_PRISM 82 /* SiTera Prism. */ #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller. */ #define EM_FR30 84 /* Fujitsu FR30. */ #define EM_D10V 85 /* Mitsubishi D10V. */ #define EM_D30V 86 /* Mitsubishi D30V. */ #define EM_V850 87 /* NEC v850. */ #define EM_M32R 88 /* Mitsubishi M32R. */ #define EM_MN10300 89 /* Matsushita MN10300. */ #define EM_MN10200 90 /* Matsushita MN10200. */ #define EM_PJ 91 /* picoJava. */ #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor. */ #define EM_ARC_A5 93 /* ARC Cores Tangent-A5. */ #define EM_XTENSA 94 /* Tensilica Xtensa Architecture. */ #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor. */ #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor. */ #define EM_NS32K 97 /* National Semiconductor 32000 series. */ #define EM_TPC 98 /* Tenor Network TPC processor. */ #define EM_SNP1K 99 /* Trebia SNP 1000 processor. */ #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller. */ #define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family. */ #define EM_MAX 102 /* MAX Processor. */ #define EM_CR 103 /* National Semiconductor CompactRISC microprocessor. */ #define EM_F2MC16 104 /* Fujitsu F2MC16. */ #define EM_MSP430 105 /* Texas Instruments embedded microcontroller msp430. */ #define EM_BLACKFIN 106 /* Analog Devices Blackfin (DSP) processor. */ #define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors. */ #define EM_SEP 108 /* Sharp embedded microprocessor. */ #define EM_ARCA 109 /* Arca RISC Microprocessor. */ #define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */ #define EM_AARCH64 183 /* AArch64 (64-bit ARM) */ #define EM_RISCV 243 /* RISC-V */ /* Non-standard or deprecated. */ #define EM_486 6 /* Intel i486. */ #define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ #define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */ #define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */ /** * e_flags */ #define EF_ARM_RELEXEC 0x1 #define EF_ARM_HASENTRY 0x2 #define EF_ARM_SYMSARESORTED 0x4 #define EF_ARM_DYNSYMSUSESEGIDX 0x8 #define EF_ARM_MAPSYMSFIRST 0x10 #define EF_ARM_LE8 0x00400000 #define EF_ARM_BE8 0x00800000 #define EF_ARM_EABIMASK 0xFF000000 #define EF_ARM_EABI_UNKNOWN 0x00000000 #define EF_ARM_EABI_VER1 0x01000000 #define EF_ARM_EABI_VER2 0x02000000 #define EF_ARM_EABI_VER3 0x03000000 #define EF_ARM_EABI_VER4 0x04000000 #define EF_ARM_EABI_VER5 0x05000000 #define EF_ARM_INTERWORK 0x00000004 #define EF_ARM_APCS_26 0x00000008 #define EF_ARM_APCS_FLOAT 0x00000010 #define EF_ARM_PIC 0x00000020 #define EF_ARM_ALIGN8 0x00000040 #define EF_ARM_NEW_ABI 0x00000080 #define EF_ARM_OLD_ABI 0x00000100 #define EF_ARM_ABI_FLOAT_SOFT 0x00000200 #define EF_ARM_SOFT_FLOAT EF_ARM_ABI_FLOAT_SOFT /* Pre-V5 ABI name */ #define EF_ARM_ABI_FLOAT_HARD 0x00000400 #define EF_ARM_VFP_FLOAT EF_ARM_ABI_FLOAT_HARD /* Pre-V5 ABI name */ #define EF_ARM_MAVERICK_FLOAT 0x00000800 #define EF_MIPS_NOREORDER 0x00000001 #define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ #define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */ #define EF_MIPS_UCODE 0x00000010 #define EF_MIPS_ABI2 0x00000020 /* N32 */ #define EF_MIPS_OPTIONS_FIRST 0x00000080 #define EF_MIPS_ABI 0x0000F000 #define EF_MIPS_ABI_O32 0x00001000 #define EF_MIPS_ABI_O64 0x00002000 #define EF_MIPS_ABI_EABI32 0x00003000 #define EF_MIPS_ABI_EABI64 0x00004000 #define EF_MIPS_ARCH_ASE 0x0F000000 /* Architectural extensions */ #define EF_MIPS_ARCH_ASE_MDMX 0x08000000 /* MDMX multimedia extension */ #define EF_MIPS_ARCH_ASE_M16 0x04000000 /* MIPS-16 ISA extensions */ #define EF_MIPS_ARCH 0xF0000000 /* Architecture field */ #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */ #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */ #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */ #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */ #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */ #define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */ #define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */ #define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */ #define EF_MIPS_ARCH_64R2 0x80000000 /* -mips64r2 code */ #define EF_PPC_EMB 0x80000000 #define EF_PPC_RELOCATABLE 0x00010000 #define EF_PPC_RELOCATABLE_LIB 0x00008000 #define EF_RISCV_RVC 0x00000001 #define EF_RISCV_FLOAT_ABI_MASK 0x00000006 #define EF_RISCV_FLOAT_ABI_SOFT 0x00000000 #define EF_RISCV_FLOAT_ABI_SINGLE 0x000002 #define EF_RISCV_FLOAT_ABI_DOUBLE 0x000004 #define EF_RISCV_FLOAT_ABI_QUAD 0x00000006 #define EF_RISCV_RVE 0x00000008 #define EF_RISCV_TSO 0x00000010 #define EF_SPARC_EXT_MASK 0x00ffff00 #define EF_SPARC_32PLUS 0x00000100 #define EF_SPARC_SUN_US1 0x00000200 #define EF_SPARC_HAL_R1 0x00000200 #define EF_SPARC_SUN_US3 0x00000800 #define EF_SPARCV9_MM 0x00000003 #define EF_SPARCV9_TSO 0x00000000 #define EF_SPARCV9_PSO 0x00000001 #define EF_SPARCV9_RMO 0x00000002 /* Special section indexes. */ #define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */ #define SHN_LORESERVE 0xff00 /* First of reserved range. */ #define SHN_LOPROC 0xff00 /* First processor-specific. */ #define SHN_HIPROC 0xff1f /* Last processor-specific. */ #define SHN_LOOS 0xff20 /* First operating system-specific. */ #define SHN_FBSD_CACHED SHN_LOOS /* Transient, for sys/kern/link_elf_obj linker only: Cached global in local symtab. */ #define SHN_HIOS 0xff3f /* Last operating system-specific. */ #define SHN_ABS 0xfff1 /* Absolute values. */ #define SHN_COMMON 0xfff2 /* Common data. */ #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */ #define SHN_HIRESERVE 0xffff /* Last of reserved range. */ /* sh_type */ #define SHT_NULL 0 /* inactive */ #define SHT_PROGBITS 1 /* program defined information */ #define SHT_SYMTAB 2 /* symbol table section */ #define SHT_STRTAB 3 /* string table section */ #define SHT_RELA 4 /* relocation section with addends */ #define SHT_HASH 5 /* symbol hash table section */ #define SHT_DYNAMIC 6 /* dynamic section */ #define SHT_NOTE 7 /* note section */ #define SHT_NOBITS 8 /* no space section */ #define SHT_REL 9 /* relocation section - no addends */ #define SHT_SHLIB 10 /* reserved - purpose unknown */ #define SHT_DYNSYM 11 /* dynamic symbol table section */ #define SHT_INIT_ARRAY 14 /* Initialization function pointers. */ #define SHT_FINI_ARRAY 15 /* Termination function pointers. */ #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */ #define SHT_GROUP 17 /* Section group. */ #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */ #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ #define SHT_LOSUNW 0x6ffffff4 #define SHT_SUNW_dof 0x6ffffff4 #define SHT_SUNW_cap 0x6ffffff5 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 #define SHT_SUNW_SIGNATURE 0x6ffffff6 #define SHT_GNU_HASH 0x6ffffff6 #define SHT_GNU_LIBLIST 0x6ffffff7 #define SHT_SUNW_ANNOTATE 0x6ffffff7 #define SHT_SUNW_DEBUGSTR 0x6ffffff8 #define SHT_SUNW_DEBUG 0x6ffffff9 #define SHT_SUNW_move 0x6ffffffa #define SHT_SUNW_COMDAT 0x6ffffffb #define SHT_SUNW_syminfo 0x6ffffffc #define SHT_SUNW_verdef 0x6ffffffd #define SHT_GNU_verdef 0x6ffffffd /* Symbol versions provided */ #define SHT_SUNW_verneed 0x6ffffffe #define SHT_GNU_verneed 0x6ffffffe /* Symbol versions required */ #define SHT_SUNW_versym 0x6fffffff #define SHT_GNU_versym 0x6fffffff /* Symbol version table */ #define SHT_HISUNW 0x6fffffff #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ #define SHT_LOPROC 0x70000000 /* reserved range for processor */ #define SHT_X86_64_UNWIND 0x70000001 /* unwind information */ #define SHT_AMD64_UNWIND SHT_X86_64_UNWIND #define SHT_ARM_EXIDX 0x70000001 /* Exception index table. */ #define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking pre-emption map. */ #define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility attributes. */ #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details. */ #define SHT_ARM_OVERLAYSECTION 0x70000005 /* See DBGOVL for details. */ #define SHT_MIPS_LIBLIST 0x70000000 #define SHT_MIPS_MSYM 0x70000001 #define SHT_MIPS_CONFLICT 0x70000002 #define SHT_MIPS_GPTAB 0x70000003 #define SHT_MIPS_UCODE 0x70000004 #define SHT_MIPS_DEBUG 0x70000005 #define SHT_MIPS_REGINFO 0x70000006 #define SHT_MIPS_PACKAGE 0x70000007 #define SHT_MIPS_PACKSYM 0x70000008 #define SHT_MIPS_RELD 0x70000009 #define SHT_MIPS_IFACE 0x7000000b #define SHT_MIPS_CONTENT 0x7000000c #define SHT_MIPS_OPTIONS 0x7000000d #define SHT_MIPS_DELTASYM 0x7000001b #define SHT_MIPS_DELTAINST 0x7000001c #define SHT_MIPS_DELTACLASS 0x7000001d #define SHT_MIPS_DWARF 0x7000001e /* MIPS gcc uses MIPS_DWARF */ #define SHT_MIPS_DELTADECL 0x7000001f #define SHT_MIPS_SYMBOL_LIB 0x70000020 #define SHT_MIPS_EVENTS 0x70000021 #define SHT_MIPS_TRANSLATE 0x70000022 #define SHT_MIPS_PIXIE 0x70000023 #define SHT_MIPS_XLATE 0x70000024 #define SHT_MIPS_XLATE_DEBUG 0x70000025 #define SHT_MIPS_WHIRL 0x70000026 #define SHT_MIPS_EH_REGION 0x70000027 #define SHT_MIPS_XLATE_OLD 0x70000028 #define SHT_MIPS_PDR_EXCEPTION 0x70000029 #define SHT_MIPS_ABIFLAGS 0x7000002a #define SHT_SPARC_GOTDATA 0x70000000 #define SHTORDERED #define SHT_HIPROC 0x7fffffff /* specific section header types */ #define SHT_LOUSER 0x80000000 /* reserved range for application */ #define SHT_HIUSER 0xffffffff /* specific indexes */ /* Flags for sh_flags. */ #define SHF_WRITE 0x1 /* Section contains writable data. */ #define SHF_ALLOC 0x2 /* Section occupies memory. */ #define SHF_EXECINSTR 0x4 /* Section contains instructions. */ #define SHF_MERGE 0x10 /* Section may be merged. */ #define SHF_STRINGS 0x20 /* Section contains strings. */ #define SHF_INFO_LINK 0x40 /* sh_info holds section index. */ #define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */ #define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */ #define SHF_GROUP 0x200 /* Member of section group. */ #define SHF_TLS 0x400 /* Section contains TLS data. */ #define SHF_COMPRESSED 0x800 /* Section contains compressed data. */ #define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */ #define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */ /* Flags for section groups. */ #define GRP_COMDAT 0x1 /* COMDAT semantics. */ /* * Flags / mask for .gnu.versym sections. */ #define VERSYM_VERSION 0x7fff #define VERSYM_HIDDEN 0x8000 /* Values for p_type. */ #define PT_NULL 0 /* Unused entry. */ #define PT_LOAD 1 /* Loadable segment. */ #define PT_DYNAMIC 2 /* Dynamic linking information segment. */ #define PT_INTERP 3 /* Pathname of interpreter. */ #define PT_NOTE 4 /* Auxiliary information. */ #define PT_SHLIB 5 /* Reserved (not used). */ #define PT_PHDR 6 /* Location of program header itself. */ #define PT_TLS 7 /* Thread local storage segment */ #define PT_LOOS 0x60000000 /* First OS-specific. */ #define PT_SUNW_UNWIND 0x6464e550 /* amd64 UNWIND program header */ #define PT_GNU_EH_FRAME 0x6474e550 #define PT_GNU_STACK 0x6474e551 #define PT_GNU_RELRO 0x6474e552 #define PT_DUMP_DELTA 0x6fb5d000 /* va->pa map for kernel dumps (currently arm). */ #define PT_LOSUNW 0x6ffffffa #define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ #define PT_SUNWSTACK 0x6ffffffb /* describes the stack segment */ #define PT_SUNWDTRACE 0x6ffffffc /* private */ #define PT_SUNWCAP 0x6ffffffd /* hard/soft capabilities segment */ #define PT_HISUNW 0x6fffffff #define PT_HIOS 0x6fffffff /* Last OS-specific. */ #define PT_LOPROC 0x70000000 /* First processor-specific type. */ #define PT_ARM_ARCHEXT 0x70000000 /* ARM arch compat information. */ #define PT_ARM_EXIDX 0x70000001 /* ARM exception unwind tables. */ #define PT_MIPS_REGINFO 0x70000000 /* MIPS register usage info */ #define PT_MIPS_RTPROC 0x70000001 /* MIPS runtime procedure tbl */ #define PT_MIPS_OPTIONS 0x70000002 /* MIPS e_flags value*/ #define PT_MIPS_ABIFLAGS 0x70000003 /* MIPS fp mode */ #define PT_HIPROC 0x7fffffff /* Last processor-specific type. */ #define PT_OPENBSD_RANDOMIZE 0x65A3DBE6 /* OpenBSD random data segment */ #define PT_OPENBSD_WXNEEDED 0x65A3DBE7 /* OpenBSD EXEC/WRITE pages needed */ #define PT_OPENBSD_BOOTDATA 0x65A41BE6 /* OpenBSD section for boot args */ /* Values for p_flags. */ #define PF_X 0x1 /* Executable. */ #define PF_W 0x2 /* Writable. */ #define PF_R 0x4 /* Readable. */ #define PF_MASKOS 0x0ff00000 /* Operating system-specific. */ #define PF_MASKPROC 0xf0000000 /* Processor-specific. */ /* Extended program header index. */ #define PN_XNUM 0xffff /* Values for d_tag. */ #define DT_NULL 0 /* Terminating entry. */ #define DT_NEEDED 1 /* String table offset of a needed shared library. */ #define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ #define DT_PLTGOT 3 /* Processor-dependent address. */ #define DT_HASH 4 /* Address of symbol hash table. */ #define DT_STRTAB 5 /* Address of string table. */ #define DT_SYMTAB 6 /* Address of symbol table. */ #define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ #define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ #define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ #define DT_STRSZ 10 /* Size of string table. */ #define DT_SYMENT 11 /* Size of each symbol table entry. */ #define DT_INIT 12 /* Address of initialization function. */ #define DT_FINI 13 /* Address of finalization function. */ #define DT_SONAME 14 /* String table offset of shared object name. */ #define DT_RPATH 15 /* String table offset of library path. [sup] */ #define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */ #define DT_REL 17 /* Address of ElfNN_Rel relocations. */ #define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ #define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ #define DT_PLTREL 20 /* Type of relocation used for PLT. */ #define DT_DEBUG 21 /* Reserved (not used). */ #define DT_TEXTREL 22 /* Indicates there may be relocations in non-writable segments. [sup] */ #define DT_JMPREL 23 /* Address of PLT relocations. */ #define DT_BIND_NOW 24 /* [sup] */ #define DT_INIT_ARRAY 25 /* Address of the array of pointers to initialization functions */ #define DT_FINI_ARRAY 26 /* Address of the array of pointers to termination functions */ #define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of initialization functions. */ #define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of termination functions. */ #define DT_RUNPATH 29 /* String table offset of a null-terminated library search path string. */ #define DT_FLAGS 30 /* Object specific flag values. */ #define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING and less than DT_LOOS follow the rules for the interpretation of the d_un union as follows: even == 'd_ptr', odd == 'd_val' or none */ #define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to pre-initialization functions. */ #define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of pre-initialization functions. */ #define DT_MAXPOSTAGS 34 /* number of positive tags */ #define DT_RELRSZ 35 /* Total size of ElfNN_Relr relocations. */ #define DT_RELR 36 /* Address of ElfNN_Relr relocations. */ #define DT_RELRENT 37 /* Size of each ElfNN_Relr relocation. */ #define DT_LOOS 0x6000000d /* First OS-specific */ #define DT_SUNW_AUXILIARY 0x6000000d /* symbol auxiliary name */ #define DT_SUNW_RTLDINF 0x6000000e /* ld.so.1 info (private) */ #define DT_SUNW_FILTER 0x6000000f /* symbol filter name */ #define DT_SUNW_CAP 0x60000010 /* hardware/software */ #define DT_SUNW_ASLR 0x60000023 /* ASLR control */ #define DT_HIOS 0x6ffff000 /* Last OS-specific */ /* * DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the * Dyn.d_un.d_val field of the Elf*_Dyn structure. */ #define DT_VALRNGLO 0x6ffffd00 #define DT_GNU_PRELINKED 0x6ffffdf5 /* prelinking timestamp */ #define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* size of conflict section */ #define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* size of library list */ #define DT_CHECKSUM 0x6ffffdf8 /* elf checksum */ #define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */ #define DT_MOVEENT 0x6ffffdfa /* move table entry size */ #define DT_MOVESZ 0x6ffffdfb /* move table size */ #define DT_FEATURE 0x6ffffdfc /* feature holder */ #define DT_FEATURE_1 DT_FEATURE #define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */ /* the following DT_* entry. */ /* See DF_P1_* definitions */ #define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */ #define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */ #define DT_VALRNGHI 0x6ffffdff /* * DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the * Dyn.d_un.d_ptr field of the Elf*_Dyn structure. * * If any adjustment is made to the ELF object after it has been * built, these entries will need to be adjusted. */ #define DT_ADDRRNGLO 0x6ffffe00 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table */ #define DT_TLSDESC_PLT 0x6ffffef6 /* loc. of PLT for tlsdesc resolver */ #define DT_TLSDESC_GOT 0x6ffffef7 /* loc. of GOT for tlsdesc resolver */ #define DT_GNU_CONFLICT 0x6ffffef8 /* address of conflict section */ #define DT_GNU_LIBLIST 0x6ffffef9 /* address of library list */ #define DT_CONFIG 0x6ffffefa /* configuration information */ #define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */ #define DT_AUDIT 0x6ffffefc /* object auditing */ #define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */ #define DT_MOVETAB 0x6ffffefe /* move table */ #define DT_SYMINFO 0x6ffffeff /* syminfo table */ #define DT_ADDRRNGHI 0x6ffffeff #define DT_VERSYM 0x6ffffff0 /* Address of versym section. */ #define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */ #define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */ #define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */ #define DT_VERDEF 0x6ffffffc /* Address of verdef section. */ #define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */ #define DT_VERNEED 0x6ffffffe /* Address of verneed section. */ #define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */ #define DT_LOPROC 0x70000000 /* First processor-specific type. */ #define DT_AARCH64_BTI_PLT 0x70000001 #define DT_AARCH64_PAC_PLT 0x70000003 #define DT_AARCH64_VARIANT_PCS 0x70000005 #define DT_ARM_SYMTABSZ 0x70000001 #define DT_ARM_PREEMPTMAP 0x70000002 #define DT_SPARC_REGISTER 0x70000001 #define DT_DEPRECATED_SPARC_REGISTER 0x7000001 #define DT_MIPS_RLD_VERSION 0x70000001 #define DT_MIPS_TIME_STAMP 0x70000002 #define DT_MIPS_ICHECKSUM 0x70000003 #define DT_MIPS_IVERSION 0x70000004 #define DT_MIPS_FLAGS 0x70000005 #define DT_MIPS_BASE_ADDRESS 0x70000006 #define DT_MIPS_CONFLICT 0x70000008 #define DT_MIPS_LIBLIST 0x70000009 #define DT_MIPS_LOCAL_GOTNO 0x7000000a #define DT_MIPS_CONFLICTNO 0x7000000b #define DT_MIPS_LIBLISTNO 0x70000010 #define DT_MIPS_SYMTABNO 0x70000011 #define DT_MIPS_UNREFEXTNO 0x70000012 #define DT_MIPS_GOTSYM 0x70000013 #define DT_MIPS_HIPAGENO 0x70000014 #define DT_MIPS_RLD_MAP 0x70000016 #define DT_MIPS_DELTA_CLASS 0x70000017 #define DT_MIPS_DELTA_CLASS_NO 0x70000018 #define DT_MIPS_DELTA_INSTANCE 0x70000019 #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001A #define DT_MIPS_DELTA_RELOC 0x7000001B #define DT_MIPS_DELTA_RELOC_NO 0x7000001C #define DT_MIPS_DELTA_SYM 0x7000001D #define DT_MIPS_DELTA_SYM_NO 0x7000001E #define DT_MIPS_DELTA_CLASSSYM 0x70000020 #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 #define DT_MIPS_CXX_FLAGS 0x70000022 #define DT_MIPS_PIXIE_INIT 0x70000023 #define DT_MIPS_SYMBOL_LIB 0x70000024 #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 #define DT_MIPS_LOCAL_GOTIDX 0x70000026 #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 #define DT_MIPS_OPTIONS 0x70000029 #define DT_MIPS_INTERFACE 0x7000002A #define DT_MIPS_DYNSTR_ALIGN 0x7000002B #define DT_MIPS_INTERFACE_SIZE 0x7000002C #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002D #define DT_MIPS_PERF_SUFFIX 0x7000002E #define DT_MIPS_COMPACT_SIZE 0x7000002F #define DT_MIPS_GP_VALUE 0x70000030 #define DT_MIPS_AUX_DYNAMIC 0x70000031 #define DT_MIPS_PLTGOT 0x70000032 #define DT_MIPS_RLD_OBJ_UPDATE 0x70000033 #define DT_MIPS_RWPLT 0x70000034 #define DT_MIPS_RLD_MAP_REL 0x70000035 #define DT_PPC_GOT 0x70000000 #define DT_PPC_TLSOPT 0x70000001 #define DT_PPC64_GLINK 0x70000000 #define DT_PPC64_OPD 0x70000001 #define DT_PPC64_OPDSZ 0x70000002 #define DT_PPC64_TLSOPT 0x70000003 #define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */ #define DT_USED 0x7ffffffe /* ignored - same as needed */ #define DT_FILTER 0x7fffffff /* shared library filter name */ #define DT_HIPROC 0x7fffffff /* Last processor-specific type. */ /* Values for DT_FLAGS */ #define DF_ORIGIN 0x0001 /* Indicates that the object being loaded may make reference to the $ORIGIN substitution string */ #define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */ #define DF_TEXTREL 0x0004 /* Indicates there may be relocations in non-writable segments. */ #define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should process all relocations for the object containing this entry before transferring control to the program. */ #define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or executable contains code using a static thread-local storage scheme. */ /* Values for DT_FLAGS_1 */ #define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */ #define DF_1_GLOBAL 0x00000002 /* Set the RTLD_GLOBAL for object */ #define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */ #define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filtees */ #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */ #define DF_1_ORIGIN 0x00000080 /* Process $ORIGIN */ #define DF_1_INTERPOSE 0x00000400 /* Interpose all objects but main */ #define DF_1_NODEFLIB 0x00000800 /* Do not search default paths */ #define DF_1_PIE 0x08000000 /* Is position-independent executable */ /* Values for l_flags. */ #define LL_NONE 0x0 /* no flags */ #define LL_EXACT_MATCH 0x1 /* require an exact match */ #define LL_IGNORE_INT_VER 0x2 /* ignore version incompatibilities */ #define LL_REQUIRE_MINOR 0x4 #define LL_EXPORTS 0x8 #define LL_DELAY_LOAD 0x10 #define LL_DELTA 0x20 /* Note section names */ #define ELF_NOTE_FREEBSD "FreeBSD" #define ELF_NOTE_NETBSD "NetBSD" #define ELF_NOTE_SOLARIS "SUNW Solaris" #define ELF_NOTE_GNU "GNU" /* Values for n_type used in executables. */ #define NT_FREEBSD_ABI_TAG 1 #define NT_FREEBSD_NOINIT_TAG 2 #define NT_FREEBSD_ARCH_TAG 3 #define NT_FREEBSD_FEATURE_CTL 4 /* NT_FREEBSD_FEATURE_CTL desc[0] bits */ #define NT_FREEBSD_FCTL_ASLR_DISABLE 0x00000001 #define NT_FREEBSD_FCTL_PROTMAX_DISABLE 0x00000002 #define NT_FREEBSD_FCTL_STKGAP_DISABLE 0x00000004 #define NT_FREEBSD_FCTL_WXNEEDED 0x00000008 #define NT_FREEBSD_FCTL_LA48 0x00000010 /* was ASG_DISABLE, do not reuse 0x00000020 */ /* Values for n_type. Used in core files. */ #define NT_PRSTATUS 1 /* Process status. */ #define NT_FPREGSET 2 /* Floating point registers. */ #define NT_PRPSINFO 3 /* Process state info. */ #define NT_THRMISC 7 /* Thread miscellaneous info. */ #define NT_PROCSTAT_PROC 8 /* Procstat proc data. */ #define NT_PROCSTAT_FILES 9 /* Procstat files data. */ #define NT_PROCSTAT_VMMAP 10 /* Procstat vmmap data. */ #define NT_PROCSTAT_GROUPS 11 /* Procstat groups data. */ #define NT_PROCSTAT_UMASK 12 /* Procstat umask data. */ #define NT_PROCSTAT_RLIMIT 13 /* Procstat rlimit data. */ #define NT_PROCSTAT_OSREL 14 /* Procstat osreldate data. */ #define NT_PROCSTAT_PSSTRINGS 15 /* Procstat ps_strings data. */ #define NT_PROCSTAT_AUXV 16 /* Procstat auxv data. */ #define NT_PTLWPINFO 17 /* Thread ptrace miscellaneous info. */ #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_X86_XSTATE 0x202 /* x86 XSAVE extended state. */ #define NT_ARM_VFP 0x400 /* ARM VFP registers */ +#define NT_ARM_ADDR_MASK 0x406 /* arm64 address mask (e.g. for TBI) */ /* GNU note types. */ #define NT_GNU_ABI_TAG 1 #define NT_GNU_HWCAP 2 #define NT_GNU_BUILD_ID 3 #define NT_GNU_GOLD_VERSION 4 #define NT_GNU_PROPERTY_TYPE_0 5 #define GNU_PROPERTY_LOPROC 0xc0000000 #define GNU_PROPERTY_HIPROC 0xdfffffff #define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000 #define GNU_PROPERTY_AARCH64_FEATURE_1_BTI 0x00000001 #define GNU_PROPERTY_AARCH64_FEATURE_1_PAC 0x00000002 #define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 #define GNU_PROPERTY_X86_FEATURE_1_IBT 0x00000001 #define GNU_PROPERTY_X86_FEATURE_1_SHSTK 0x00000002 /* Symbol Binding - ELFNN_ST_BIND - st_info */ #define STB_LOCAL 0 /* Local symbol */ #define STB_GLOBAL 1 /* Global symbol */ #define STB_WEAK 2 /* like global - lower precedence */ #define STB_LOOS 10 /* Start of operating system reserved range. */ #define STB_GNU_UNIQUE 10 /* Unique symbol (GNU) */ #define STB_HIOS 12 /* End of operating system reserved range. */ #define STB_LOPROC 13 /* reserved range for processor */ #define STB_HIPROC 15 /* specific semantics. */ /* Symbol type - ELFNN_ST_TYPE - st_info */ #define STT_NOTYPE 0 /* Unspecified type. */ #define STT_OBJECT 1 /* Data object. */ #define STT_FUNC 2 /* Function. */ #define STT_SECTION 3 /* Section. */ #define STT_FILE 4 /* Source file. */ #define STT_COMMON 5 /* Uninitialized common block. */ #define STT_TLS 6 /* TLS object. */ #define STT_NUM 7 #define STT_LOOS 10 /* Reserved range for operating system */ #define STT_GNU_IFUNC 10 #define STT_HIOS 12 /* specific semantics. */ #define STT_LOPROC 13 /* Start of processor reserved range. */ #define STT_SPARC_REGISTER 13 /* SPARC register information. */ #define STT_HIPROC 15 /* End of processor reserved range. */ /* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */ #define STV_DEFAULT 0x0 /* Default visibility (see binding). */ #define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */ #define STV_HIDDEN 0x2 /* Not visible. */ #define STV_PROTECTED 0x3 /* Visible but not preemptible. */ #define STV_EXPORTED 0x4 #define STV_SINGLETON 0x5 #define STV_ELIMINATE 0x6 /* Special symbol table indexes. */ #define STN_UNDEF 0 /* Undefined symbol index. */ /* Symbol versioning flags. */ #define VER_DEF_CURRENT 1 #define VER_DEF_IDX(x) VER_NDX(x) #define VER_FLG_BASE 0x01 #define VER_FLG_WEAK 0x02 #define VER_NEED_CURRENT 1 #define VER_NEED_WEAK (1u << 15) #define VER_NEED_HIDDEN VER_NDX_HIDDEN #define VER_NEED_IDX(x) VER_NDX(x) #define VER_NDX_LOCAL 0 #define VER_NDX_GLOBAL 1 #define VER_NDX_GIVEN 2 #define VER_NDX_HIDDEN (1u << 15) #define VER_NDX(x) ((x) & ~(1u << 15)) #define CA_SUNW_NULL 0 #define CA_SUNW_HW_1 1 /* first hardware capabilities entry */ #define CA_SUNW_SF_1 2 /* first software capabilities entry */ /* * Syminfo flag values */ #define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association */ /* to object containing defn. */ #define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */ #define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */ #define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be */ /* lazily-loaded */ #define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to */ /* object containing defn. */ #define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference */ /* directly bind to this symbol */ #define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */ #define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */ /* * Syminfo.si_boundto values. */ #define SYMINFO_BT_SELF 0xffff /* symbol bound to self */ #define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */ #define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */ #define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */ #define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */ /* * Syminfo version values. */ #define SYMINFO_NONE 0 /* Syminfo version */ #define SYMINFO_CURRENT 1 #define SYMINFO_NUM 2 /* Values for ch_type (compressed section headers). */ #define ELFCOMPRESS_ZLIB 1 /* ZLIB/DEFLATE */ #define ELFCOMPRESS_LOOS 0x60000000 /* OS-specific */ #define ELFCOMPRESS_HIOS 0x6fffffff #define ELFCOMPRESS_LOPROC 0x70000000 /* Processor-specific */ #define ELFCOMPRESS_HIPROC 0x7fffffff /* Values for a_type. */ #define AT_NULL 0 /* Terminates the vector. */ #define AT_IGNORE 1 /* Ignored entry. */ #define AT_EXECFD 2 /* File descriptor of program to load. */ #define AT_PHDR 3 /* Program header of program already loaded. */ #define AT_PHENT 4 /* Size of each program header entry. */ #define AT_PHNUM 5 /* Number of program header entries. */ #define AT_PAGESZ 6 /* Page size in bytes. */ #define AT_BASE 7 /* Interpreter's base address. */ #define AT_FLAGS 8 /* Flags. */ #define AT_ENTRY 9 /* Where interpreter should transfer control. */ #define AT_NOTELF 10 /* Program is not ELF ?? */ #define AT_UID 11 /* Real uid. */ #define AT_EUID 12 /* Effective uid. */ #define AT_GID 13 /* Real gid. */ #define AT_EGID 14 /* Effective gid. */ #define AT_EXECPATH 15 /* Path to the executable. */ #define AT_CANARY 16 /* Canary for SSP. */ #define AT_CANARYLEN 17 /* Length of the canary. */ #define AT_OSRELDATE 18 /* OSRELDATE. */ #define AT_NCPUS 19 /* Number of CPUs. */ #define AT_PAGESIZES 20 /* Pagesizes. */ #define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ #define AT_TIMEKEEP 22 /* Pointer to timehands. */ #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ #define AT_HWCAP2 26 /* CPU feature flags 2. */ #define AT_BSDFLAGS 27 /* ELF BSD Flags. */ #define AT_ARGC 28 /* Argument count */ #define AT_ARGV 29 /* Argument vector */ #define AT_ENVC 30 /* Environment count */ #define AT_ENVV 31 /* Environment vector */ #define AT_PS_STRINGS 32 /* struct ps_strings */ #define AT_FXRNG 33 /* Pointer to root RNG seed version. */ #define AT_KPRELOAD 34 /* Base of vdso, preloaded by rtld */ #define AT_COUNT 35 /* Count of defined aux entry types. */ /* * Relocation types. * * All machine architectures are defined here to allow tools on one to * handle others. */ #define R_386_NONE 0 /* No relocation. */ #define R_386_32 1 /* Add symbol value. */ #define R_386_PC32 2 /* Add PC-relative symbol value. */ #define R_386_GOT32 3 /* Add PC-relative GOT offset. */ #define R_386_PLT32 4 /* Add PC-relative PLT offset. */ #define R_386_COPY 5 /* Copy data from shared object. */ #define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */ #define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */ #define R_386_RELATIVE 8 /* Add load address of shared object. */ #define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */ #define R_386_GOTPC 10 /* Add PC-relative GOT table address. */ #define R_386_32PLT 11 #define R_386_TLS_TPOFF 14 /* Negative offset in static TLS block */ #define R_386_TLS_IE 15 /* Absolute address of GOT for -ve static TLS */ #define R_386_TLS_GOTIE 16 /* GOT entry for negative static TLS block */ #define R_386_TLS_LE 17 /* Negative offset relative to static TLS */ #define R_386_TLS_GD 18 /* 32 bit offset to GOT (index,off) pair */ #define R_386_TLS_LDM 19 /* 32 bit offset to GOT (index,zero) pair */ #define R_386_16 20 #define R_386_PC16 21 #define R_386_8 22 #define R_386_PC8 23 #define R_386_TLS_GD_32 24 /* 32 bit offset to GOT (index,off) pair */ #define R_386_TLS_GD_PUSH 25 /* pushl instruction for Sun ABI GD sequence */ #define R_386_TLS_GD_CALL 26 /* call instruction for Sun ABI GD sequence */ #define R_386_TLS_GD_POP 27 /* popl instruction for Sun ABI GD sequence */ #define R_386_TLS_LDM_32 28 /* 32 bit offset to GOT (index,zero) pair */ #define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD sequence */ #define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequence */ #define R_386_TLS_LDM_POP 31 /* popl instruction for Sun ABI LD sequence */ #define R_386_TLS_LDO_32 32 /* 32 bit offset from start of TLS block */ #define R_386_TLS_IE_32 33 /* 32 bit offset to GOT static TLS offset entry */ #define R_386_TLS_LE_32 34 /* 32 bit offset within static TLS block */ #define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */ #define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */ #define R_386_TLS_TPOFF32 37 /* GOT entry of -ve static TLS offset */ #define R_386_SIZE32 38 #define R_386_TLS_GOTDESC 39 #define R_386_TLS_DESC_CALL 40 #define R_386_TLS_DESC 41 #define R_386_IRELATIVE 42 /* PLT entry resolved indirectly at runtime */ #define R_386_GOT32X 43 #define R_AARCH64_NONE 0 /* No relocation */ #define R_AARCH64_ABS64 257 /* Absolute offset */ #define R_AARCH64_ABS32 258 /* Absolute, 32-bit overflow check */ #define R_AARCH64_ABS16 259 /* Absolute, 16-bit overflow check */ #define R_AARCH64_PREL64 260 /* PC relative */ #define R_AARCH64_PREL32 261 /* PC relative, 32-bit overflow check */ #define R_AARCH64_PREL16 262 /* PC relative, 16-bit overflow check */ #define R_AARCH64_TSTBR14 279 /* TBZ/TBNZ immediate */ #define R_AARCH64_CONDBR19 280 /* Conditional branch immediate */ #define R_AARCH64_JUMP26 282 /* Branch immediate */ #define R_AARCH64_CALL26 283 /* Call immediate */ #define R_AARCH64_COPY 1024 /* Copy data from shared object */ #define R_AARCH64_GLOB_DAT 1025 /* Set GOT entry to data address */ #define R_AARCH64_JUMP_SLOT 1026 /* Set GOT entry to code address */ #define R_AARCH64_RELATIVE 1027 /* Add load address of shared object */ #define R_AARCH64_TLS_DTPREL64 1028 #define R_AARCH64_TLS_DTPMOD64 1029 #define R_AARCH64_TLS_TPREL64 1030 #define R_AARCH64_TLSDESC 1031 /* Identify the TLS descriptor */ #define R_AARCH64_IRELATIVE 1032 #define R_ARM_NONE 0 /* No relocation. */ #define R_ARM_PC24 1 #define R_ARM_ABS32 2 #define R_ARM_REL32 3 #define R_ARM_PC13 4 #define R_ARM_ABS16 5 #define R_ARM_ABS12 6 #define R_ARM_THM_ABS5 7 #define R_ARM_ABS8 8 #define R_ARM_SBREL32 9 #define R_ARM_THM_PC22 10 #define R_ARM_THM_PC8 11 #define R_ARM_AMP_VCALL9 12 #define R_ARM_SWI24 13 #define R_ARM_THM_SWI8 14 #define R_ARM_XPC25 15 #define R_ARM_THM_XPC22 16 /* TLS relocations */ #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ #define R_ARM_COPY 20 /* Copy data from shared object. */ #define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */ #define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */ #define R_ARM_RELATIVE 23 /* Add load address of shared object. */ #define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. */ #define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */ #define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */ #define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */ #define R_ARM_GNU_VTENTRY 100 #define R_ARM_GNU_VTINHERIT 101 #define R_ARM_RSBREL32 250 #define R_ARM_THM_RPC22 251 #define R_ARM_RREL32 252 #define R_ARM_RABS32 253 #define R_ARM_RPC24 254 #define R_ARM_RBASE 255 /* Name Value Field Calculation */ #define R_IA_64_NONE 0 /* None */ #define R_IA_64_IMM14 0x21 /* immediate14 S + A */ #define R_IA_64_IMM22 0x22 /* immediate22 S + A */ #define R_IA_64_IMM64 0x23 /* immediate64 S + A */ #define R_IA_64_DIR32MSB 0x24 /* word32 MSB S + A */ #define R_IA_64_DIR32LSB 0x25 /* word32 LSB S + A */ #define R_IA_64_DIR64MSB 0x26 /* word64 MSB S + A */ #define R_IA_64_DIR64LSB 0x27 /* word64 LSB S + A */ #define R_IA_64_GPREL22 0x2a /* immediate22 @gprel(S + A) */ #define R_IA_64_GPREL64I 0x2b /* immediate64 @gprel(S + A) */ #define R_IA_64_GPREL32MSB 0x2c /* word32 MSB @gprel(S + A) */ #define R_IA_64_GPREL32LSB 0x2d /* word32 LSB @gprel(S + A) */ #define R_IA_64_GPREL64MSB 0x2e /* word64 MSB @gprel(S + A) */ #define R_IA_64_GPREL64LSB 0x2f /* word64 LSB @gprel(S + A) */ #define R_IA_64_LTOFF22 0x32 /* immediate22 @ltoff(S + A) */ #define R_IA_64_LTOFF64I 0x33 /* immediate64 @ltoff(S + A) */ #define R_IA_64_PLTOFF22 0x3a /* immediate22 @pltoff(S + A) */ #define R_IA_64_PLTOFF64I 0x3b /* immediate64 @pltoff(S + A) */ #define R_IA_64_PLTOFF64MSB 0x3e /* word64 MSB @pltoff(S + A) */ #define R_IA_64_PLTOFF64LSB 0x3f /* word64 LSB @pltoff(S + A) */ #define R_IA_64_FPTR64I 0x43 /* immediate64 @fptr(S + A) */ #define R_IA_64_FPTR32MSB 0x44 /* word32 MSB @fptr(S + A) */ #define R_IA_64_FPTR32LSB 0x45 /* word32 LSB @fptr(S + A) */ #define R_IA_64_FPTR64MSB 0x46 /* word64 MSB @fptr(S + A) */ #define R_IA_64_FPTR64LSB 0x47 /* word64 LSB @fptr(S + A) */ #define R_IA_64_PCREL60B 0x48 /* immediate60 form1 S + A - P */ #define R_IA_64_PCREL21B 0x49 /* immediate21 form1 S + A - P */ #define R_IA_64_PCREL21M 0x4a /* immediate21 form2 S + A - P */ #define R_IA_64_PCREL21F 0x4b /* immediate21 form3 S + A - P */ #define R_IA_64_PCREL32MSB 0x4c /* word32 MSB S + A - P */ #define R_IA_64_PCREL32LSB 0x4d /* word32 LSB S + A - P */ #define R_IA_64_PCREL64MSB 0x4e /* word64 MSB S + A - P */ #define R_IA_64_PCREL64LSB 0x4f /* word64 LSB S + A - P */ #define R_IA_64_LTOFF_FPTR22 0x52 /* immediate22 @ltoff(@fptr(S + A)) */ #define R_IA_64_LTOFF_FPTR64I 0x53 /* immediate64 @ltoff(@fptr(S + A)) */ #define R_IA_64_LTOFF_FPTR32MSB 0x54 /* word32 MSB @ltoff(@fptr(S + A)) */ #define R_IA_64_LTOFF_FPTR32LSB 0x55 /* word32 LSB @ltoff(@fptr(S + A)) */ #define R_IA_64_LTOFF_FPTR64MSB 0x56 /* word64 MSB @ltoff(@fptr(S + A)) */ #define R_IA_64_LTOFF_FPTR64LSB 0x57 /* word64 LSB @ltoff(@fptr(S + A)) */ #define R_IA_64_SEGREL32MSB 0x5c /* word32 MSB @segrel(S + A) */ #define R_IA_64_SEGREL32LSB 0x5d /* word32 LSB @segrel(S + A) */ #define R_IA_64_SEGREL64MSB 0x5e /* word64 MSB @segrel(S + A) */ #define R_IA_64_SEGREL64LSB 0x5f /* word64 LSB @segrel(S + A) */ #define R_IA_64_SECREL32MSB 0x64 /* word32 MSB @secrel(S + A) */ #define R_IA_64_SECREL32LSB 0x65 /* word32 LSB @secrel(S + A) */ #define R_IA_64_SECREL64MSB 0x66 /* word64 MSB @secrel(S + A) */ #define R_IA_64_SECREL64LSB 0x67 /* word64 LSB @secrel(S + A) */ #define R_IA_64_REL32MSB 0x6c /* word32 MSB BD + A */ #define R_IA_64_REL32LSB 0x6d /* word32 LSB BD + A */ #define R_IA_64_REL64MSB 0x6e /* word64 MSB BD + A */ #define R_IA_64_REL64LSB 0x6f /* word64 LSB BD + A */ #define R_IA_64_LTV32MSB 0x74 /* word32 MSB S + A */ #define R_IA_64_LTV32LSB 0x75 /* word32 LSB S + A */ #define R_IA_64_LTV64MSB 0x76 /* word64 MSB S + A */ #define R_IA_64_LTV64LSB 0x77 /* word64 LSB S + A */ #define R_IA_64_PCREL21BI 0x79 /* immediate21 form1 S + A - P */ #define R_IA_64_PCREL22 0x7a /* immediate22 S + A - P */ #define R_IA_64_PCREL64I 0x7b /* immediate64 S + A - P */ #define R_IA_64_IPLTMSB 0x80 /* function descriptor MSB special */ #define R_IA_64_IPLTLSB 0x81 /* function descriptor LSB speciaal */ #define R_IA_64_SUB 0x85 /* immediate64 A - S */ #define R_IA_64_LTOFF22X 0x86 /* immediate22 special */ #define R_IA_64_LDXMOV 0x87 /* immediate22 special */ #define R_IA_64_TPREL14 0x91 /* imm14 @tprel(S + A) */ #define R_IA_64_TPREL22 0x92 /* imm22 @tprel(S + A) */ #define R_IA_64_TPREL64I 0x93 /* imm64 @tprel(S + A) */ #define R_IA_64_TPREL64MSB 0x96 /* word64 MSB @tprel(S + A) */ #define R_IA_64_TPREL64LSB 0x97 /* word64 LSB @tprel(S + A) */ #define R_IA_64_LTOFF_TPREL22 0x9a /* imm22 @ltoff(@tprel(S+A)) */ #define R_IA_64_DTPMOD64MSB 0xa6 /* word64 MSB @dtpmod(S + A) */ #define R_IA_64_DTPMOD64LSB 0xa7 /* word64 LSB @dtpmod(S + A) */ #define R_IA_64_LTOFF_DTPMOD22 0xaa /* imm22 @ltoff(@dtpmod(S+A)) */ #define R_IA_64_DTPREL14 0xb1 /* imm14 @dtprel(S + A) */ #define R_IA_64_DTPREL22 0xb2 /* imm22 @dtprel(S + A) */ #define R_IA_64_DTPREL64I 0xb3 /* imm64 @dtprel(S + A) */ #define R_IA_64_DTPREL32MSB 0xb4 /* word32 MSB @dtprel(S + A) */ #define R_IA_64_DTPREL32LSB 0xb5 /* word32 LSB @dtprel(S + A) */ #define R_IA_64_DTPREL64MSB 0xb6 /* word64 MSB @dtprel(S + A) */ #define R_IA_64_DTPREL64LSB 0xb7 /* word64 LSB @dtprel(S + A) */ #define R_IA_64_LTOFF_DTPREL22 0xba /* imm22 @ltoff(@dtprel(S+A)) */ #define R_MIPS_NONE 0 /* No reloc */ #define R_MIPS_16 1 /* Direct 16 bit */ #define R_MIPS_32 2 /* Direct 32 bit */ #define R_MIPS_REL32 3 /* PC relative 32 bit */ #define R_MIPS_26 4 /* Direct 26 bit shifted */ #define R_MIPS_HI16 5 /* High 16 bit */ #define R_MIPS_LO16 6 /* Low 16 bit */ #define R_MIPS_GPREL16 7 /* GP relative 16 bit */ #define R_MIPS_LITERAL 8 /* 16 bit literal entry */ #define R_MIPS_GOT16 9 /* 16 bit GOT entry */ #define R_MIPS_PC16 10 /* PC relative 16 bit */ #define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ #define R_MIPS_GPREL32 12 /* GP relative 32 bit */ #define R_MIPS_64 18 /* Direct 64 bit */ #define R_MIPS_GOT_DISP 19 #define R_MIPS_GOT_PAGE 20 #define R_MIPS_GOT_OFST 21 #define R_MIPS_GOT_HI16 22 /* GOT HI 16 bit */ #define R_MIPS_GOT_LO16 23 /* GOT LO 16 bit */ #define R_MIPS_SUB 24 #define R_MIPS_CALLHI16 30 /* upper 16 bit GOT entry for function */ #define R_MIPS_CALLLO16 31 /* lower 16 bit GOT entry for function */ #define R_MIPS_JALR 37 #define R_MIPS_TLS_GD 42 #define R_MIPS_COPY 126 #define R_MIPS_JUMP_SLOT 127 #define R_PPC_NONE 0 /* No relocation. */ #define R_PPC_ADDR32 1 #define R_PPC_ADDR24 2 #define R_PPC_ADDR16 3 #define R_PPC_ADDR16_LO 4 #define R_PPC_ADDR16_HI 5 #define R_PPC_ADDR16_HA 6 #define R_PPC_ADDR14 7 #define R_PPC_ADDR14_BRTAKEN 8 #define R_PPC_ADDR14_BRNTAKEN 9 #define R_PPC_REL24 10 #define R_PPC_REL14 11 #define R_PPC_REL14_BRTAKEN 12 #define R_PPC_REL14_BRNTAKEN 13 #define R_PPC_GOT16 14 #define R_PPC_GOT16_LO 15 #define R_PPC_GOT16_HI 16 #define R_PPC_GOT16_HA 17 #define R_PPC_PLTREL24 18 #define R_PPC_COPY 19 #define R_PPC_GLOB_DAT 20 #define R_PPC_JMP_SLOT 21 #define R_PPC_RELATIVE 22 #define R_PPC_LOCAL24PC 23 #define R_PPC_UADDR32 24 #define R_PPC_UADDR16 25 #define R_PPC_REL32 26 #define R_PPC_PLT32 27 #define R_PPC_PLTREL32 28 #define R_PPC_PLT16_LO 29 #define R_PPC_PLT16_HI 30 #define R_PPC_PLT16_HA 31 #define R_PPC_SDAREL16 32 #define R_PPC_SECTOFF 33 #define R_PPC_SECTOFF_LO 34 #define R_PPC_SECTOFF_HI 35 #define R_PPC_SECTOFF_HA 36 #define R_PPC_IRELATIVE 248 /* * 64-bit relocations */ #define R_PPC64_ADDR64 38 #define R_PPC64_ADDR16_HIGHER 39 #define R_PPC64_ADDR16_HIGHERA 40 #define R_PPC64_ADDR16_HIGHEST 41 #define R_PPC64_ADDR16_HIGHESTA 42 #define R_PPC64_UADDR64 43 #define R_PPC64_REL64 44 #define R_PPC64_PLT64 45 #define R_PPC64_PLTREL64 46 #define R_PPC64_TOC16 47 #define R_PPC64_TOC16_LO 48 #define R_PPC64_TOC16_HI 49 #define R_PPC64_TOC16_HA 50 #define R_PPC64_TOC 51 #define R_PPC64_DTPMOD64 68 #define R_PPC64_TPREL64 73 #define R_PPC64_DTPREL64 78 /* * TLS relocations */ #define R_PPC_TLS 67 #define R_PPC_DTPMOD32 68 #define R_PPC_TPREL16 69 #define R_PPC_TPREL16_LO 70 #define R_PPC_TPREL16_HI 71 #define R_PPC_TPREL16_HA 72 #define R_PPC_TPREL32 73 #define R_PPC_DTPREL16 74 #define R_PPC_DTPREL16_LO 75 #define R_PPC_DTPREL16_HI 76 #define R_PPC_DTPREL16_HA 77 #define R_PPC_DTPREL32 78 #define R_PPC_GOT_TLSGD16 79 #define R_PPC_GOT_TLSGD16_LO 80 #define R_PPC_GOT_TLSGD16_HI 81 #define R_PPC_GOT_TLSGD16_HA 82 #define R_PPC_GOT_TLSLD16 83 #define R_PPC_GOT_TLSLD16_LO 84 #define R_PPC_GOT_TLSLD16_HI 85 #define R_PPC_GOT_TLSLD16_HA 86 #define R_PPC_GOT_TPREL16 87 #define R_PPC_GOT_TPREL16_LO 88 #define R_PPC_GOT_TPREL16_HI 89 #define R_PPC_GOT_TPREL16_HA 90 /* * The remaining relocs are from the Embedded ELF ABI, and are not in the * SVR4 ELF ABI. */ #define R_PPC_EMB_NADDR32 101 #define R_PPC_EMB_NADDR16 102 #define R_PPC_EMB_NADDR16_LO 103 #define R_PPC_EMB_NADDR16_HI 104 #define R_PPC_EMB_NADDR16_HA 105 #define R_PPC_EMB_SDAI16 106 #define R_PPC_EMB_SDA2I16 107 #define R_PPC_EMB_SDA2REL 108 #define R_PPC_EMB_SDA21 109 #define R_PPC_EMB_MRKREF 110 #define R_PPC_EMB_RELSEC16 111 #define R_PPC_EMB_RELST_LO 112 #define R_PPC_EMB_RELST_HI 113 #define R_PPC_EMB_RELST_HA 114 #define R_PPC_EMB_BIT_FLD 115 #define R_PPC_EMB_RELSDA 116 /* * RISC-V relocation types. */ /* Relocation types used by the dynamic linker. */ #define R_RISCV_NONE 0 #define R_RISCV_32 1 #define R_RISCV_64 2 #define R_RISCV_RELATIVE 3 #define R_RISCV_COPY 4 #define R_RISCV_JUMP_SLOT 5 #define R_RISCV_TLS_DTPMOD32 6 #define R_RISCV_TLS_DTPMOD64 7 #define R_RISCV_TLS_DTPREL32 8 #define R_RISCV_TLS_DTPREL64 9 #define R_RISCV_TLS_TPREL32 10 #define R_RISCV_TLS_TPREL64 11 /* Relocation types not used by the dynamic linker. */ #define R_RISCV_BRANCH 16 #define R_RISCV_JAL 17 #define R_RISCV_CALL 18 #define R_RISCV_CALL_PLT 19 #define R_RISCV_GOT_HI20 20 #define R_RISCV_TLS_GOT_HI20 21 #define R_RISCV_TLS_GD_HI20 22 #define R_RISCV_PCREL_HI20 23 #define R_RISCV_PCREL_LO12_I 24 #define R_RISCV_PCREL_LO12_S 25 #define R_RISCV_HI20 26 #define R_RISCV_LO12_I 27 #define R_RISCV_LO12_S 28 #define R_RISCV_TPREL_HI20 29 #define R_RISCV_TPREL_LO12_I 30 #define R_RISCV_TPREL_LO12_S 31 #define R_RISCV_TPREL_ADD 32 #define R_RISCV_ADD8 33 #define R_RISCV_ADD16 34 #define R_RISCV_ADD32 35 #define R_RISCV_ADD64 36 #define R_RISCV_SUB8 37 #define R_RISCV_SUB16 38 #define R_RISCV_SUB32 39 #define R_RISCV_SUB64 40 #define R_RISCV_GNU_VTINHERIT 41 #define R_RISCV_GNU_VTENTRY 42 #define R_RISCV_ALIGN 43 #define R_RISCV_RVC_BRANCH 44 #define R_RISCV_RVC_JUMP 45 #define R_RISCV_RVC_LUI 46 #define R_RISCV_RELAX 51 #define R_RISCV_SUB6 52 #define R_RISCV_SET6 53 #define R_RISCV_SET8 54 #define R_RISCV_SET16 55 #define R_RISCV_SET32 56 #define R_RISCV_32_PCREL 57 #define R_RISCV_IRELATIVE 58 #define R_SPARC_NONE 0 #define R_SPARC_8 1 #define R_SPARC_16 2 #define R_SPARC_32 3 #define R_SPARC_DISP8 4 #define R_SPARC_DISP16 5 #define R_SPARC_DISP32 6 #define R_SPARC_WDISP30 7 #define R_SPARC_WDISP22 8 #define R_SPARC_HI22 9 #define R_SPARC_22 10 #define R_SPARC_13 11 #define R_SPARC_LO10 12 #define R_SPARC_GOT10 13 #define R_SPARC_GOT13 14 #define R_SPARC_GOT22 15 #define R_SPARC_PC10 16 #define R_SPARC_PC22 17 #define R_SPARC_WPLT30 18 #define R_SPARC_COPY 19 #define R_SPARC_GLOB_DAT 20 #define R_SPARC_JMP_SLOT 21 #define R_SPARC_RELATIVE 22 #define R_SPARC_UA32 23 #define R_SPARC_PLT32 24 #define R_SPARC_HIPLT22 25 #define R_SPARC_LOPLT10 26 #define R_SPARC_PCPLT32 27 #define R_SPARC_PCPLT22 28 #define R_SPARC_PCPLT10 29 #define R_SPARC_10 30 #define R_SPARC_11 31 #define R_SPARC_64 32 #define R_SPARC_OLO10 33 #define R_SPARC_HH22 34 #define R_SPARC_HM10 35 #define R_SPARC_LM22 36 #define R_SPARC_PC_HH22 37 #define R_SPARC_PC_HM10 38 #define R_SPARC_PC_LM22 39 #define R_SPARC_WDISP16 40 #define R_SPARC_WDISP19 41 #define R_SPARC_GLOB_JMP 42 #define R_SPARC_7 43 #define R_SPARC_5 44 #define R_SPARC_6 45 #define R_SPARC_DISP64 46 #define R_SPARC_PLT64 47 #define R_SPARC_HIX22 48 #define R_SPARC_LOX10 49 #define R_SPARC_H44 50 #define R_SPARC_M44 51 #define R_SPARC_L44 52 #define R_SPARC_REGISTER 53 #define R_SPARC_UA64 54 #define R_SPARC_UA16 55 #define R_SPARC_TLS_GD_HI22 56 #define R_SPARC_TLS_GD_LO10 57 #define R_SPARC_TLS_GD_ADD 58 #define R_SPARC_TLS_GD_CALL 59 #define R_SPARC_TLS_LDM_HI22 60 #define R_SPARC_TLS_LDM_LO10 61 #define R_SPARC_TLS_LDM_ADD 62 #define R_SPARC_TLS_LDM_CALL 63 #define R_SPARC_TLS_LDO_HIX22 64 #define R_SPARC_TLS_LDO_LOX10 65 #define R_SPARC_TLS_LDO_ADD 66 #define R_SPARC_TLS_IE_HI22 67 #define R_SPARC_TLS_IE_LO10 68 #define R_SPARC_TLS_IE_LD 69 #define R_SPARC_TLS_IE_LDX 70 #define R_SPARC_TLS_IE_ADD 71 #define R_SPARC_TLS_LE_HIX22 72 #define R_SPARC_TLS_LE_LOX10 73 #define R_SPARC_TLS_DTPMOD32 74 #define R_SPARC_TLS_DTPMOD64 75 #define R_SPARC_TLS_DTPOFF32 76 #define R_SPARC_TLS_DTPOFF64 77 #define R_SPARC_TLS_TPOFF32 78 #define R_SPARC_TLS_TPOFF64 79 #define R_X86_64_NONE 0 /* No relocation. */ #define R_X86_64_64 1 /* Add 64 bit symbol value. */ #define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */ #define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */ #define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */ #define R_X86_64_COPY 5 /* Copy data from shared object. */ #define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */ #define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */ #define R_X86_64_RELATIVE 8 /* Add load address of shared object. */ #define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */ #define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */ #define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */ #define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */ #define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative symbol value */ #define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */ #define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symbol value */ #define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ #define R_X86_64_DTPOFF64 17 /* Offset in TLS block */ #define R_X86_64_TPOFF64 18 /* Offset in static TLS block */ #define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */ #define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */ #define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ #define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */ #define R_X86_64_TPOFF32 23 /* Offset in static TLS block */ #define R_X86_64_PC64 24 /* PC-relative 64 bit signed sym value. */ #define R_X86_64_GOTOFF64 25 #define R_X86_64_GOTPC32 26 #define R_X86_64_GOT64 27 #define R_X86_64_GOTPCREL64 28 #define R_X86_64_GOTPC64 29 #define R_X86_64_GOTPLT64 30 #define R_X86_64_PLTOFF64 31 #define R_X86_64_SIZE32 32 #define R_X86_64_SIZE64 33 #define R_X86_64_GOTPC32_TLSDESC 34 #define R_X86_64_TLSDESC_CALL 35 #define R_X86_64_TLSDESC 36 #define R_X86_64_IRELATIVE 37 #define R_X86_64_RELATIVE64 38 /* 39 and 40 were BND-related, already decomissioned */ #define R_X86_64_GOTPCRELX 41 #define R_X86_64_REX_GOTPCRELX 42 #define ELF_BSDF_SIGFASTBLK 0x0001 /* Kernel supports fast sigblock */ #endif /* !_SYS_ELF_COMMON_H_ */ diff --git a/tests/sys/kern/ptrace_test.c b/tests/sys/kern/ptrace_test.c index 3e3a445c6152..c62db66fd6f6 100644 --- a/tests/sys/kern/ptrace_test.c +++ b/tests/sys/kern/ptrace_test.c @@ -1,4385 +1,4398 @@ /*- * Copyright (c) 2015 John Baldwin * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #define _WANT_MIPS_REGNUM #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Architectures with a user-visible breakpoint(). */ #if defined(__aarch64__) || defined(__amd64__) || defined(__arm__) || \ defined(__i386__) || defined(__mips__) || defined(__riscv) || \ defined(__sparc64__) #define HAVE_BREAKPOINT #endif /* * Adjust PC to skip over a breakpoint when stopped for a breakpoint trap. */ #ifdef HAVE_BREAKPOINT #if defined(__aarch64__) #define SKIP_BREAK(reg) ((reg)->elr += 4) #elif defined(__amd64__) || defined(__i386__) #define SKIP_BREAK(reg) #elif defined(__arm__) #define SKIP_BREAK(reg) ((reg)->r_pc += 4) #elif defined(__mips__) #define SKIP_BREAK(reg) ((reg)->r_regs[PC] += 4) #elif defined(__riscv) #define SKIP_BREAK(reg) ((reg)->sepc += 4) #elif defined(__sparc64__) #define SKIP_BREAK(reg) do { \ (reg)->r_tpc = (reg)->r_tnpc + 4; \ (reg)->r_tnpc += 8; \ } while (0) #endif #endif /* * A variant of ATF_REQUIRE that is suitable for use in child * processes. This only works if the parent process is tripped up by * the early exit and fails some requirement itself. */ #define CHILD_REQUIRE(exp) do { \ if (!(exp)) \ child_fail_require(__FILE__, __LINE__, \ #exp " not met\n"); \ } while (0) #define CHILD_REQUIRE_EQ(actual, expected) do { \ __typeof__(expected) _e = expected; \ __typeof__(actual) _a = actual; \ if (_e != _a) \ child_fail_require(__FILE__, __LINE__, #actual \ " (%jd) == " #expected " (%jd) not met\n", \ (intmax_t)_a, (intmax_t)_e); \ } while (0) static __dead2 void child_fail_require(const char *file, int line, const char *fmt, ...) { va_list ap; char buf[1024]; /* Use write() not fprintf() to avoid possible duplicate output. */ snprintf(buf, sizeof(buf), "%s:%d: ", file, line); write(STDERR_FILENO, buf, strlen(buf)); va_start(ap, fmt); vsnprintf(buf, sizeof(buf), fmt, ap); write(STDERR_FILENO, buf, strlen(buf)); va_end(ap); _exit(32); } #define REQUIRE_EQ(actual, expected) do { \ __typeof__(expected) _e = expected; \ __typeof__(actual) _a = actual; \ ATF_REQUIRE_MSG(_e == _a, #actual " (%jd) == " \ #expected " (%jd) not met", (intmax_t)_a, (intmax_t)_e); \ } while (0) static void trace_me(void) { /* Attach the parent process as a tracer of this process. */ CHILD_REQUIRE(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1); /* Trigger a stop. */ raise(SIGSTOP); } static void attach_child(pid_t pid) { pid_t wpid; int status; REQUIRE_EQ(ptrace(PT_ATTACH, pid, NULL, 0), 0); wpid = waitpid(pid, &status, 0); REQUIRE_EQ(wpid, pid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); } static void wait_for_zombie(pid_t pid) { /* * Wait for a process to exit. This is kind of gross, but * there is not a better way. * * Prior to r325719, the kern.proc.pid. sysctl failed * with ESRCH. After that change, a valid struct kinfo_proc * is returned for zombies with ki_stat set to SZOMB. */ for (;;) { struct kinfo_proc kp; size_t len; int mib[4]; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PID; mib[3] = pid; len = sizeof(kp); if (sysctl(mib, nitems(mib), &kp, &len, NULL, 0) == -1) { REQUIRE_EQ(errno, ESRCH); break; } if (kp.ki_stat == SZOMB) break; usleep(5000); } } /* * Verify that a parent debugger process "sees" the exit of a debugged * process exactly once when attached via PT_TRACE_ME. */ ATF_TC_WITHOUT_HEAD(ptrace__parent_wait_after_trace_me); ATF_TC_BODY(ptrace__parent_wait_after_trace_me, tc) { pid_t child, wpid; int status; ATF_REQUIRE((child = fork()) != -1); if (child == 0) { /* Child process. */ trace_me(); _exit(1); } /* Parent process. */ /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); /* The second wait() should report the exit status. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); /* The child should no longer exist. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a parent debugger process "sees" the exit of a debugged * process exactly once when attached via PT_ATTACH. */ ATF_TC_WITHOUT_HEAD(ptrace__parent_wait_after_attach); ATF_TC_BODY(ptrace__parent_wait_after_attach, tc) { pid_t child, wpid; int cpipe[2], status; char c; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((child = fork()) != -1); if (child == 0) { /* Child process. */ close(cpipe[0]); /* Wait for the parent to attach. */ CHILD_REQUIRE_EQ(0, read(cpipe[1], &c, sizeof(c))); _exit(1); } close(cpipe[1]); /* Parent process. */ /* Attach to the child process. */ attach_child(child); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); /* Signal the child to exit. */ close(cpipe[0]); /* The second wait() should report the exit status. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); /* The child should no longer exist. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a parent process "sees" the exit of a debugged process only * after the debugger has seen it. */ ATF_TC_WITHOUT_HEAD(ptrace__parent_sees_exit_after_child_debugger); ATF_TC_BODY(ptrace__parent_sees_exit_after_child_debugger, tc) { pid_t child, debugger, wpid; int cpipe[2], dpipe[2], status; char c; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((child = fork()) != -1); if (child == 0) { /* Child process. */ close(cpipe[0]); /* Wait for parent to be ready. */ CHILD_REQUIRE_EQ(read(cpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); _exit(1); } close(cpipe[1]); REQUIRE_EQ(pipe(dpipe), 0); ATF_REQUIRE((debugger = fork()) != -1); if (debugger == 0) { /* Debugger process. */ close(dpipe[0]); CHILD_REQUIRE(ptrace(PT_ATTACH, child, NULL, 0) != -1); wpid = waitpid(child, &status, 0); CHILD_REQUIRE_EQ(wpid, child); CHILD_REQUIRE(WIFSTOPPED(status)); CHILD_REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); CHILD_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); /* Signal parent that debugger is attached. */ CHILD_REQUIRE_EQ(write(dpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Wait for parent's failed wait. */ CHILD_REQUIRE_EQ(read(dpipe[1], &c, sizeof(c)), 0); wpid = waitpid(child, &status, 0); CHILD_REQUIRE_EQ(wpid, child); CHILD_REQUIRE(WIFEXITED(status)); CHILD_REQUIRE_EQ(WEXITSTATUS(status), 1); _exit(0); } close(dpipe[1]); /* Parent process. */ /* Wait for the debugger to attach to the child. */ REQUIRE_EQ(read(dpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Release the child. */ REQUIRE_EQ(write(cpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); REQUIRE_EQ(read(cpipe[0], &c, sizeof(c)), 0); close(cpipe[0]); wait_for_zombie(child); /* * This wait should return a pid of 0 to indicate no status to * report. The parent should see the child as non-exited * until the debugger sees the exit. */ wpid = waitpid(child, &status, WNOHANG); REQUIRE_EQ(wpid, 0); /* Signal the debugger to wait for the child. */ close(dpipe[0]); /* Wait for the debugger. */ wpid = waitpid(debugger, &status, 0); REQUIRE_EQ(wpid, debugger); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); /* The child process should now be ready. */ wpid = waitpid(child, &status, WNOHANG); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); } /* * Verify that a parent process "sees" the exit of a debugged process * only after a non-direct-child debugger has seen it. In particular, * various wait() calls in the parent must avoid failing with ESRCH by * checking the parent's orphan list for the debugee. */ ATF_TC_WITHOUT_HEAD(ptrace__parent_sees_exit_after_unrelated_debugger); ATF_TC_BODY(ptrace__parent_sees_exit_after_unrelated_debugger, tc) { pid_t child, debugger, fpid, wpid; int cpipe[2], dpipe[2], status; char c; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((child = fork()) != -1); if (child == 0) { /* Child process. */ close(cpipe[0]); /* Wait for parent to be ready. */ CHILD_REQUIRE_EQ(read(cpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); _exit(1); } close(cpipe[1]); REQUIRE_EQ(pipe(dpipe), 0); ATF_REQUIRE((debugger = fork()) != -1); if (debugger == 0) { /* Debugger parent. */ /* * Fork again and drop the debugger parent so that the * debugger is not a child of the main parent. */ CHILD_REQUIRE((fpid = fork()) != -1); if (fpid != 0) _exit(2); /* Debugger process. */ close(dpipe[0]); CHILD_REQUIRE(ptrace(PT_ATTACH, child, NULL, 0) != -1); wpid = waitpid(child, &status, 0); CHILD_REQUIRE_EQ(wpid, child); CHILD_REQUIRE(WIFSTOPPED(status)); CHILD_REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); CHILD_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); /* Signal parent that debugger is attached. */ CHILD_REQUIRE_EQ(write(dpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Wait for parent's failed wait. */ CHILD_REQUIRE_EQ(read(dpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); wpid = waitpid(child, &status, 0); CHILD_REQUIRE_EQ(wpid, child); CHILD_REQUIRE(WIFEXITED(status)); CHILD_REQUIRE_EQ(WEXITSTATUS(status), 1); _exit(0); } close(dpipe[1]); /* Parent process. */ /* Wait for the debugger parent process to exit. */ wpid = waitpid(debugger, &status, 0); REQUIRE_EQ(wpid, debugger); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); /* A WNOHANG wait here should see the non-exited child. */ wpid = waitpid(child, &status, WNOHANG); REQUIRE_EQ(wpid, 0); /* Wait for the debugger to attach to the child. */ REQUIRE_EQ(read(dpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Release the child. */ REQUIRE_EQ(write(cpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); REQUIRE_EQ(read(cpipe[0], &c, sizeof(c)), 0); close(cpipe[0]); wait_for_zombie(child); /* * This wait should return a pid of 0 to indicate no status to * report. The parent should see the child as non-exited * until the debugger sees the exit. */ wpid = waitpid(child, &status, WNOHANG); REQUIRE_EQ(wpid, 0); /* Signal the debugger to wait for the child. */ REQUIRE_EQ(write(dpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Wait for the debugger. */ REQUIRE_EQ(read(dpipe[0], &c, sizeof(c)), 0); close(dpipe[0]); /* The child process should now be ready. */ wpid = waitpid(child, &status, WNOHANG); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); } /* * Make sure that we can collect the exit status of an orphaned process. */ ATF_TC_WITHOUT_HEAD(ptrace__parent_exits_before_child); ATF_TC_BODY(ptrace__parent_exits_before_child, tc) { ssize_t n; int cpipe1[2], cpipe2[2], gcpipe[2], status; pid_t child, gchild; REQUIRE_EQ(pipe(cpipe1), 0); REQUIRE_EQ(pipe(cpipe2), 0); REQUIRE_EQ(pipe(gcpipe), 0); REQUIRE_EQ(procctl(P_PID, getpid(), PROC_REAP_ACQUIRE, NULL), 0); ATF_REQUIRE((child = fork()) != -1); if (child == 0) { CHILD_REQUIRE((gchild = fork()) != -1); if (gchild == 0) { status = 1; do { n = read(gcpipe[0], &status, sizeof(status)); } while (n == -1 && errno == EINTR); _exit(status); } CHILD_REQUIRE_EQ(write(cpipe1[1], &gchild, sizeof(gchild)), (ssize_t)sizeof(gchild)); CHILD_REQUIRE_EQ(read(cpipe2[0], &status, sizeof(status)), (ssize_t)sizeof(status)); _exit(status); } REQUIRE_EQ(read(cpipe1[0], &gchild, sizeof(gchild)), (ssize_t)sizeof(gchild)); REQUIRE_EQ(ptrace(PT_ATTACH, gchild, NULL, 0), 0); status = 0; REQUIRE_EQ(write(cpipe2[1], &status, sizeof(status)), (ssize_t)sizeof(status)); REQUIRE_EQ(waitpid(child, &status, 0), child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); status = 0; REQUIRE_EQ(write(gcpipe[1], &status, sizeof(status)), (ssize_t)sizeof(status)); REQUIRE_EQ(waitpid(gchild, &status, 0), gchild); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(ptrace(PT_DETACH, gchild, (caddr_t)1, 0), 0); REQUIRE_EQ(waitpid(gchild, &status, 0), gchild); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); REQUIRE_EQ(close(cpipe1[0]), 0); REQUIRE_EQ(close(cpipe1[1]), 0); REQUIRE_EQ(close(cpipe2[0]), 0); REQUIRE_EQ(close(cpipe2[1]), 0); REQUIRE_EQ(close(gcpipe[0]), 0); REQUIRE_EQ(close(gcpipe[1]), 0); } /* * The parent process should always act the same regardless of how the * debugger is attached to it. */ static __dead2 void follow_fork_parent(bool use_vfork) { pid_t fpid, wpid; int status; if (use_vfork) CHILD_REQUIRE((fpid = vfork()) != -1); else CHILD_REQUIRE((fpid = fork()) != -1); if (fpid == 0) /* Child */ _exit(2); wpid = waitpid(fpid, &status, 0); CHILD_REQUIRE_EQ(wpid, fpid); CHILD_REQUIRE(WIFEXITED(status)); CHILD_REQUIRE_EQ(WEXITSTATUS(status), 2); _exit(1); } /* * Helper routine for follow fork tests. This waits for two stops * that report both "sides" of a fork. It returns the pid of the new * child process. */ static pid_t handle_fork_events(pid_t parent, struct ptrace_lwpinfo *ppl) { struct ptrace_lwpinfo pl; bool fork_reported[2]; pid_t child, wpid; int i, status; fork_reported[0] = false; fork_reported[1] = false; child = -1; /* * Each process should report a fork event. The parent should * report a PL_FLAG_FORKED event, and the child should report * a PL_FLAG_CHILD event. */ for (i = 0; i < 2; i++) { wpid = wait(&status); ATF_REQUIRE(wpid > 0); ATF_REQUIRE(WIFSTOPPED(status)); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE((pl.pl_flags & (PL_FLAG_FORKED | PL_FLAG_CHILD)) != 0); ATF_REQUIRE((pl.pl_flags & (PL_FLAG_FORKED | PL_FLAG_CHILD)) != (PL_FLAG_FORKED | PL_FLAG_CHILD)); if (pl.pl_flags & PL_FLAG_CHILD) { ATF_REQUIRE(wpid != parent); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(!fork_reported[1]); if (child == -1) child = wpid; else REQUIRE_EQ(child, wpid); if (ppl != NULL) ppl[1] = pl; fork_reported[1] = true; } else { REQUIRE_EQ(wpid, parent); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(!fork_reported[0]); if (child == -1) child = pl.pl_child_pid; else REQUIRE_EQ(child, pl.pl_child_pid); if (ppl != NULL) ppl[0] = pl; fork_reported[0] = true; } } return (child); } /* * Verify that a new child process is stopped after a followed fork and * that the traced parent sees the exit of the child after the debugger * when both processes remain attached to the debugger. */ ATF_TC_WITHOUT_HEAD(ptrace__follow_fork_both_attached); ATF_TC_BODY(ptrace__follow_fork_both_attached, tc) { pid_t children[2], fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(false); } /* Parent process. */ children[0] = fpid; /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(children[0], &status, 0); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); children[1] = handle_fork_events(children[0], NULL); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * The child can't exit until the grandchild reports status, so the * grandchild should report its exit first to the debugger. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a new child process is stopped after a followed fork * and that the traced parent sees the exit of the child when the new * child process is detached after it reports its fork. */ ATF_TC_WITHOUT_HEAD(ptrace__follow_fork_child_detached); ATF_TC_BODY(ptrace__follow_fork_child_detached, tc) { pid_t children[2], fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(false); } /* Parent process. */ children[0] = fpid; /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(children[0], &status, 0); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); children[1] = handle_fork_events(children[0], NULL); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_DETACH, children[1], (caddr_t)1, 0) != -1); /* * Should not see any status from the grandchild now, only the * child. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a new child process is stopped after a followed fork * and that the traced parent sees the exit of the child when the * traced parent is detached after the fork. */ ATF_TC_WITHOUT_HEAD(ptrace__follow_fork_parent_detached); ATF_TC_BODY(ptrace__follow_fork_parent_detached, tc) { pid_t children[2], fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(false); } /* Parent process. */ children[0] = fpid; /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(children[0], &status, 0); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); children[1] = handle_fork_events(children[0], NULL); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE(ptrace(PT_DETACH, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * The child can't exit until the grandchild reports status, so the * grandchild should report its exit first to the debugger. * * Even though the child process is detached, it is still a * child of the debugger, so it will still report it's exit * after the grandchild. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void attach_fork_parent(int cpipe[2]) { pid_t fpid; close(cpipe[0]); /* Double-fork to disassociate from the debugger. */ CHILD_REQUIRE((fpid = fork()) != -1); if (fpid != 0) _exit(3); /* Send the pid of the disassociated child to the debugger. */ fpid = getpid(); CHILD_REQUIRE_EQ(write(cpipe[1], &fpid, sizeof(fpid)), (ssize_t)sizeof(fpid)); /* Wait for the debugger to attach. */ CHILD_REQUIRE_EQ(read(cpipe[1], &fpid, sizeof(fpid)), 0); } /* * Verify that a new child process is stopped after a followed fork and * that the traced parent sees the exit of the child after the debugger * when both processes remain attached to the debugger. In this test * the parent that forks is not a direct child of the debugger. */ ATF_TC_WITHOUT_HEAD(ptrace__follow_fork_both_attached_unrelated_debugger); ATF_TC_BODY(ptrace__follow_fork_both_attached_unrelated_debugger, tc) { pid_t children[2], fpid, wpid; int cpipe[2], status; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { attach_fork_parent(cpipe); follow_fork_parent(false); } /* Parent process. */ close(cpipe[1]); /* Wait for the direct child to exit. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 3); /* Read the pid of the fork parent. */ REQUIRE_EQ(read(cpipe[0], &children[0], sizeof(children[0])), (ssize_t)sizeof(children[0])); /* Attach to the fork parent. */ attach_child(children[0]); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the fork parent ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); /* Signal the fork parent to continue. */ close(cpipe[0]); children[1] = handle_fork_events(children[0], NULL); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * The fork parent can't exit until the child reports status, * so the child should report its exit first to the debugger. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a new child process is stopped after a followed fork * and that the traced parent sees the exit of the child when the new * child process is detached after it reports its fork. In this test * the parent that forks is not a direct child of the debugger. */ ATF_TC_WITHOUT_HEAD(ptrace__follow_fork_child_detached_unrelated_debugger); ATF_TC_BODY(ptrace__follow_fork_child_detached_unrelated_debugger, tc) { pid_t children[2], fpid, wpid; int cpipe[2], status; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { attach_fork_parent(cpipe); follow_fork_parent(false); } /* Parent process. */ close(cpipe[1]); /* Wait for the direct child to exit. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 3); /* Read the pid of the fork parent. */ REQUIRE_EQ(read(cpipe[0], &children[0], sizeof(children[0])), (ssize_t)sizeof(children[0])); /* Attach to the fork parent. */ attach_child(children[0]); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the fork parent ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); /* Signal the fork parent to continue. */ close(cpipe[0]); children[1] = handle_fork_events(children[0], NULL); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_DETACH, children[1], (caddr_t)1, 0) != -1); /* * Should not see any status from the child now, only the fork * parent. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a new child process is stopped after a followed fork * and that the traced parent sees the exit of the child when the * traced parent is detached after the fork. In this test the parent * that forks is not a direct child of the debugger. */ ATF_TC_WITHOUT_HEAD(ptrace__follow_fork_parent_detached_unrelated_debugger); ATF_TC_BODY(ptrace__follow_fork_parent_detached_unrelated_debugger, tc) { pid_t children[2], fpid, wpid; int cpipe[2], status; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { attach_fork_parent(cpipe); follow_fork_parent(false); } /* Parent process. */ close(cpipe[1]); /* Wait for the direct child to exit. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 3); /* Read the pid of the fork parent. */ REQUIRE_EQ(read(cpipe[0], &children[0], sizeof(children[0])), (ssize_t)sizeof(children[0])); /* Attach to the fork parent. */ attach_child(children[0]); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the fork parent ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); /* Signal the fork parent to continue. */ close(cpipe[0]); children[1] = handle_fork_events(children[0], NULL); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE(ptrace(PT_DETACH, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * Should not see any status from the fork parent now, only * the child. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a child process does not see an unrelated debugger as its * parent but sees its original parent process. */ ATF_TC_WITHOUT_HEAD(ptrace__getppid); ATF_TC_BODY(ptrace__getppid, tc) { pid_t child, debugger, ppid, wpid; int cpipe[2], dpipe[2], status; char c; REQUIRE_EQ(pipe(cpipe), 0); ATF_REQUIRE((child = fork()) != -1); if (child == 0) { /* Child process. */ close(cpipe[0]); /* Wait for parent to be ready. */ CHILD_REQUIRE_EQ(read(cpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Report the parent PID to the parent. */ ppid = getppid(); CHILD_REQUIRE_EQ(write(cpipe[1], &ppid, sizeof(ppid)), (ssize_t)sizeof(ppid)); _exit(1); } close(cpipe[1]); REQUIRE_EQ(pipe(dpipe), 0); ATF_REQUIRE((debugger = fork()) != -1); if (debugger == 0) { /* Debugger process. */ close(dpipe[0]); CHILD_REQUIRE(ptrace(PT_ATTACH, child, NULL, 0) != -1); wpid = waitpid(child, &status, 0); CHILD_REQUIRE_EQ(wpid, child); CHILD_REQUIRE(WIFSTOPPED(status)); CHILD_REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); CHILD_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); /* Signal parent that debugger is attached. */ CHILD_REQUIRE_EQ(write(dpipe[1], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Wait for traced child to exit. */ wpid = waitpid(child, &status, 0); CHILD_REQUIRE_EQ(wpid, child); CHILD_REQUIRE(WIFEXITED(status)); CHILD_REQUIRE_EQ(WEXITSTATUS(status), 1); _exit(0); } close(dpipe[1]); /* Parent process. */ /* Wait for the debugger to attach to the child. */ REQUIRE_EQ(read(dpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Release the child. */ REQUIRE_EQ(write(cpipe[0], &c, sizeof(c)), (ssize_t)sizeof(c)); /* Read the parent PID from the child. */ REQUIRE_EQ(read(cpipe[0], &ppid, sizeof(ppid)), (ssize_t)sizeof(ppid)); close(cpipe[0]); REQUIRE_EQ(ppid, getpid()); /* Wait for the debugger. */ wpid = waitpid(debugger, &status, 0); REQUIRE_EQ(wpid, debugger); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); /* The child process should now be ready. */ wpid = waitpid(child, &status, WNOHANG); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); } /* * Verify that pl_syscall_code in struct ptrace_lwpinfo for a new * child process created via fork() reports the correct value. */ ATF_TC_WITHOUT_HEAD(ptrace__new_child_pl_syscall_code_fork); ATF_TC_BODY(ptrace__new_child_pl_syscall_code_fork, tc) { struct ptrace_lwpinfo pl[2]; pid_t children[2], fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(false); } /* Parent process. */ children[0] = fpid; /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(children[0], &status, 0); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); /* Wait for both halves of the fork event to get reported. */ children[1] = handle_fork_events(children[0], pl); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE((pl[0].pl_flags & PL_FLAG_SCX) != 0); ATF_REQUIRE((pl[1].pl_flags & PL_FLAG_SCX) != 0); REQUIRE_EQ(pl[0].pl_syscall_code, (unsigned)SYS_fork); REQUIRE_EQ(pl[0].pl_syscall_code, pl[1].pl_syscall_code); REQUIRE_EQ(pl[0].pl_syscall_narg, pl[1].pl_syscall_narg); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * The child can't exit until the grandchild reports status, so the * grandchild should report its exit first to the debugger. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that pl_syscall_code in struct ptrace_lwpinfo for a new * child process created via vfork() reports the correct value. */ ATF_TC_WITHOUT_HEAD(ptrace__new_child_pl_syscall_code_vfork); ATF_TC_BODY(ptrace__new_child_pl_syscall_code_vfork, tc) { struct ptrace_lwpinfo pl[2]; pid_t children[2], fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(true); } /* Parent process. */ children[0] = fpid; /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(children[0], &status, 0); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, children[0], NULL, 1) != -1); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); /* Wait for both halves of the fork event to get reported. */ children[1] = handle_fork_events(children[0], pl); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE((pl[0].pl_flags & PL_FLAG_SCX) != 0); ATF_REQUIRE((pl[1].pl_flags & PL_FLAG_SCX) != 0); REQUIRE_EQ(pl[0].pl_syscall_code, (unsigned)SYS_vfork); REQUIRE_EQ(pl[0].pl_syscall_code, pl[1].pl_syscall_code); REQUIRE_EQ(pl[0].pl_syscall_narg, pl[1].pl_syscall_narg); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * The child can't exit until the grandchild reports status, so the * grandchild should report its exit first to the debugger. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void * simple_thread(void *arg __unused) { pthread_exit(NULL); } static __dead2 void simple_thread_main(void) { pthread_t thread; CHILD_REQUIRE_EQ(pthread_create(&thread, NULL, simple_thread, NULL), 0); CHILD_REQUIRE_EQ(pthread_join(thread, NULL), 0); exit(1); } /* * Verify that pl_syscall_code in struct ptrace_lwpinfo for a new * thread reports the correct value. */ ATF_TC_WITHOUT_HEAD(ptrace__new_child_pl_syscall_code_thread); ATF_TC_BODY(ptrace__new_child_pl_syscall_code_thread, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; lwpid_t mainlwp; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); simple_thread_main(); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); mainlwp = pl.pl_lwpid; /* * Continue the child ignoring the SIGSTOP and tracing all * system call exits. */ ATF_REQUIRE(ptrace(PT_TO_SCX, fpid, (caddr_t)1, 0) != -1); /* * Wait for the new thread to arrive. pthread_create() might * invoke any number of system calls. For now we just wait * for the new thread to arrive and make sure it reports a * valid system call code. If ptrace grows thread event * reporting then this test can be made more precise. */ for (;;) { wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE((pl.pl_flags & PL_FLAG_SCX) != 0); ATF_REQUIRE(pl.pl_syscall_code != 0); if (pl.pl_lwpid != mainlwp) /* New thread seen. */ break; REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } /* Wait for the child to exit. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); for (;;) { wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); if (WIFEXITED(status)) break; ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that the expected LWP events are reported for a child thread. */ ATF_TC_WITHOUT_HEAD(ptrace__lwp_events); ATF_TC_BODY(ptrace__lwp_events, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; lwpid_t lwps[2]; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); simple_thread_main(); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); lwps[0] = pl.pl_lwpid; REQUIRE_EQ(ptrace(PT_LWP_EVENTS, wpid, NULL, 1), 0); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The first event should be for the child thread's birth. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_BORN | PL_FLAG_SCX)), (PL_FLAG_BORN | PL_FLAG_SCX)); ATF_REQUIRE(pl.pl_lwpid != lwps[0]); lwps[1] = pl.pl_lwpid; REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next event should be for the child thread's death. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_EXITED | PL_FLAG_SCE)), (PL_FLAG_EXITED | PL_FLAG_SCE)); REQUIRE_EQ(pl.pl_lwpid, lwps[1]); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void * exec_thread(void *arg __unused) { execl("/usr/bin/true", "true", NULL); exit(127); } static __dead2 void exec_thread_main(void) { pthread_t thread; CHILD_REQUIRE_EQ(pthread_create(&thread, NULL, exec_thread, NULL), 0); for (;;) sleep(60); exit(1); } /* * Verify that the expected LWP events are reported for a multithreaded * process that calls execve(2). */ ATF_TC_WITHOUT_HEAD(ptrace__lwp_events_exec); ATF_TC_BODY(ptrace__lwp_events_exec, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; lwpid_t lwps[2]; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exec_thread_main(); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); lwps[0] = pl.pl_lwpid; REQUIRE_EQ(ptrace(PT_LWP_EVENTS, wpid, NULL, 1), 0); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The first event should be for the child thread's birth. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_BORN | PL_FLAG_SCX)), (PL_FLAG_BORN | PL_FLAG_SCX)); ATF_REQUIRE(pl.pl_lwpid != lwps[0]); lwps[1] = pl.pl_lwpid; REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * The next event should be for the main thread's death due to * single threading from execve(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_EXITED | PL_FLAG_SCE)), (PL_FLAG_EXITED)); REQUIRE_EQ(pl.pl_lwpid, lwps[0]); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next event should be for the child process's exec. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_EXEC | PL_FLAG_SCX)), (PL_FLAG_EXEC | PL_FLAG_SCX)); REQUIRE_EQ(pl.pl_lwpid, lwps[1]); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void handler(int sig __unused) { } static void signal_main(void) { signal(SIGINFO, handler); raise(SIGINFO); exit(0); } /* * Verify that the expected ptrace event is reported for a signal. */ ATF_TC_WITHOUT_HEAD(ptrace__siginfo); ATF_TC_BODY(ptrace__siginfo, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); signal_main(); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next event should be for the SIGINFO. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGINFO); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_event, PL_EVENT_SIGNAL); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_code, SI_LWP); REQUIRE_EQ(pl.pl_siginfo.si_pid, wpid); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that the expected ptrace events are reported for PTRACE_EXEC. */ ATF_TC_WITHOUT_HEAD(ptrace__ptrace_exec_disable); ATF_TC_BODY(ptrace__ptrace_exec_disable, tc) { pid_t fpid, wpid; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exec_thread(NULL); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); events = 0; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* Should get one event at exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } ATF_TC_WITHOUT_HEAD(ptrace__ptrace_exec_enable); ATF_TC_BODY(ptrace__ptrace_exec_enable, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exec_thread(NULL); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); events = PTRACE_EXEC; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next event should be for the child process's exec. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_EXEC | PL_FLAG_SCX)), (PL_FLAG_EXEC | PL_FLAG_SCX)); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } ATF_TC_WITHOUT_HEAD(ptrace__event_mask); ATF_TC_BODY(ptrace__event_mask, tc) { pid_t fpid, wpid; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exit(0); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* PT_FOLLOW_FORK should toggle the state of PTRACE_FORK. */ ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, fpid, NULL, 1) != -1); ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); ATF_REQUIRE(events & PTRACE_FORK); ATF_REQUIRE(ptrace(PT_FOLLOW_FORK, fpid, NULL, 0) != -1); ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); ATF_REQUIRE(!(events & PTRACE_FORK)); /* PT_LWP_EVENTS should toggle the state of PTRACE_LWP. */ ATF_REQUIRE(ptrace(PT_LWP_EVENTS, fpid, NULL, 1) != -1); ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); ATF_REQUIRE(events & PTRACE_LWP); ATF_REQUIRE(ptrace(PT_LWP_EVENTS, fpid, NULL, 0) != -1); ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); ATF_REQUIRE(!(events & PTRACE_LWP)); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* Should get one event at exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that the expected ptrace events are reported for PTRACE_VFORK. */ ATF_TC_WITHOUT_HEAD(ptrace__ptrace_vfork); ATF_TC_BODY(ptrace__ptrace_vfork, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(true); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); events |= PTRACE_VFORK; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) != -1); /* The next event should report the end of the vfork. */ wpid = wait(&status); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE((pl.pl_flags & PL_FLAG_VFORK_DONE) != 0); ATF_REQUIRE(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0) != -1); wpid = wait(&status); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } ATF_TC_WITHOUT_HEAD(ptrace__ptrace_vfork_follow); ATF_TC_BODY(ptrace__ptrace_vfork_follow, tc) { struct ptrace_lwpinfo pl[2]; pid_t children[2], fpid, wpid; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); follow_fork_parent(true); } /* Parent process. */ children[0] = fpid; /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(children[0], &status, 0); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, children[0], (caddr_t)&events, sizeof(events)) == 0); events |= PTRACE_FORK | PTRACE_VFORK; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, children[0], (caddr_t)&events, sizeof(events)) == 0); /* Continue the child ignoring the SIGSTOP. */ ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); /* Wait for both halves of the fork event to get reported. */ children[1] = handle_fork_events(children[0], pl); ATF_REQUIRE(children[1] > 0); ATF_REQUIRE((pl[0].pl_flags & PL_FLAG_VFORKED) != 0); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); ATF_REQUIRE(ptrace(PT_CONTINUE, children[1], (caddr_t)1, 0) != -1); /* * The child can't exit until the grandchild reports status, so the * grandchild should report its exit first to the debugger. */ wpid = waitpid(children[1], &status, 0); REQUIRE_EQ(wpid, children[1]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); /* * The child should report it's vfork() completion before it * exits. */ wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl[0], sizeof(pl[0])) != -1); ATF_REQUIRE((pl[0].pl_flags & PL_FLAG_VFORK_DONE) != 0); ATF_REQUIRE(ptrace(PT_CONTINUE, children[0], (caddr_t)1, 0) != -1); wpid = wait(&status); REQUIRE_EQ(wpid, children[0]); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } #ifdef HAVE_BREAKPOINT /* * Verify that no more events are reported after PT_KILL except for the * process exit when stopped due to a breakpoint trap. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_breakpoint); ATF_TC_BODY(ptrace__PT_KILL_breakpoint, tc) { pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); breakpoint(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The second wait() should report hitting the breakpoint. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); /* Kill the child process. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } #endif /* HAVE_BREAKPOINT */ /* * Verify that no more events are reported after PT_KILL except for the * process exit when stopped inside of a system call. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_system_call); ATF_TC_BODY(ptrace__PT_KILL_system_call, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); getpid(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP and tracing system calls. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* The second wait() should report a system call entry for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); /* Kill the child process. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that no more events are reported after PT_KILL except for the * process exit when killing a multithreaded process. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_threads); ATF_TC_BODY(ptrace__PT_KILL_threads, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; lwpid_t main_lwp; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); simple_thread_main(); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); main_lwp = pl.pl_lwpid; REQUIRE_EQ(ptrace(PT_LWP_EVENTS, wpid, NULL, 1), 0); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The first event should be for the child thread's birth. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_BORN | PL_FLAG_SCX)), (PL_FLAG_BORN | PL_FLAG_SCX)); ATF_REQUIRE(pl.pl_lwpid != main_lwp); /* Kill the child process. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void * mask_usr1_thread(void *arg) { pthread_barrier_t *pbarrier; sigset_t sigmask; pbarrier = (pthread_barrier_t*)arg; sigemptyset(&sigmask); sigaddset(&sigmask, SIGUSR1); CHILD_REQUIRE_EQ(pthread_sigmask(SIG_BLOCK, &sigmask, NULL), 0); /* Sync up with other thread after sigmask updated. */ pthread_barrier_wait(pbarrier); for (;;) sleep(60); return (NULL); } /* * Verify that the SIGKILL from PT_KILL takes priority over other signals * and prevents spurious stops due to those other signals. */ ATF_TC(ptrace__PT_KILL_competing_signal); ATF_TC_HEAD(ptrace__PT_KILL_competing_signal, tc) { atf_tc_set_md_var(tc, "require.user", "root"); } ATF_TC_BODY(ptrace__PT_KILL_competing_signal, tc) { pid_t fpid, wpid; int status; cpuset_t setmask; pthread_t t; pthread_barrier_t barrier; struct sched_param sched_param; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { /* Bind to one CPU so only one thread at a time will run. */ CPU_ZERO(&setmask); CPU_SET(0, &setmask); cpusetid_t setid; CHILD_REQUIRE_EQ(cpuset(&setid), 0); CHILD_REQUIRE(cpuset_setaffinity(CPU_LEVEL_CPUSET, CPU_WHICH_CPUSET, setid, sizeof(setmask), &setmask) == 0); CHILD_REQUIRE_EQ(pthread_barrier_init(&barrier, NULL, 2), 0); CHILD_REQUIRE(pthread_create(&t, NULL, mask_usr1_thread, (void*)&barrier) == 0); /* * Give the main thread higher priority. The test always * assumes that, if both threads are able to run, the main * thread runs first. */ sched_param.sched_priority = (sched_get_priority_max(SCHED_FIFO) + sched_get_priority_min(SCHED_FIFO)) / 2; CHILD_REQUIRE(pthread_setschedparam(pthread_self(), SCHED_FIFO, &sched_param) == 0); sched_param.sched_priority -= RQ_PPQ; CHILD_REQUIRE(pthread_setschedparam(t, SCHED_FIFO, &sched_param) == 0); sigset_t sigmask; sigemptyset(&sigmask); sigaddset(&sigmask, SIGUSR2); CHILD_REQUIRE_EQ(pthread_sigmask(SIG_BLOCK, &sigmask, NULL), 0); /* Sync up with other thread after sigmask updated. */ pthread_barrier_wait(&barrier); trace_me(); for (;;) sleep(60); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* Send a signal that only the second thread can handle. */ REQUIRE_EQ(kill(fpid, SIGUSR2), 0); /* The second wait() should report the SIGUSR2. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR2); /* Send a signal that only the first thread can handle. */ REQUIRE_EQ(kill(fpid, SIGUSR1), 0); /* Replace the SIGUSR2 with a kill. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL (not the SIGUSR signal). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that the SIGKILL from PT_KILL takes priority over other stop events * and prevents spurious stops caused by those events. */ ATF_TC(ptrace__PT_KILL_competing_stop); ATF_TC_HEAD(ptrace__PT_KILL_competing_stop, tc) { atf_tc_set_md_var(tc, "require.user", "root"); } ATF_TC_BODY(ptrace__PT_KILL_competing_stop, tc) { pid_t fpid, wpid; int status; cpuset_t setmask; pthread_t t; pthread_barrier_t barrier; lwpid_t main_lwp; struct ptrace_lwpinfo pl; struct sched_param sched_param; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); /* Bind to one CPU so only one thread at a time will run. */ CPU_ZERO(&setmask); CPU_SET(0, &setmask); cpusetid_t setid; CHILD_REQUIRE_EQ(cpuset(&setid), 0); CHILD_REQUIRE(cpuset_setaffinity(CPU_LEVEL_CPUSET, CPU_WHICH_CPUSET, setid, sizeof(setmask), &setmask) == 0); CHILD_REQUIRE_EQ(pthread_barrier_init(&barrier, NULL, 2), 0); CHILD_REQUIRE(pthread_create(&t, NULL, mask_usr1_thread, (void*)&barrier) == 0); /* * Give the main thread higher priority. The test always * assumes that, if both threads are able to run, the main * thread runs first. */ sched_param.sched_priority = (sched_get_priority_max(SCHED_FIFO) + sched_get_priority_min(SCHED_FIFO)) / 2; CHILD_REQUIRE(pthread_setschedparam(pthread_self(), SCHED_FIFO, &sched_param) == 0); sched_param.sched_priority -= RQ_PPQ; CHILD_REQUIRE(pthread_setschedparam(t, SCHED_FIFO, &sched_param) == 0); sigset_t sigmask; sigemptyset(&sigmask); sigaddset(&sigmask, SIGUSR2); CHILD_REQUIRE_EQ(pthread_sigmask(SIG_BLOCK, &sigmask, NULL), 0); /* Sync up with other thread after sigmask updated. */ pthread_barrier_wait(&barrier); /* Sync up with the test before doing the getpid(). */ raise(SIGSTOP); getpid(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); main_lwp = pl.pl_lwpid; /* Continue the child ignoring the SIGSTOP and tracing system calls. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* * Continue until child is done with setup, which is indicated with * SIGSTOP. Ignore system calls in the meantime. */ for (;;) { wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); if (WSTOPSIG(status) == SIGTRAP) { ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); } else { REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); break; } REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); } /* Proceed, allowing main thread to hit syscall entry for getpid(). */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_lwpid, main_lwp); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); /* Prevent the main thread from hitting its syscall exit for now. */ REQUIRE_EQ(ptrace(PT_SUSPEND, main_lwp, 0, 0), 0); /* * Proceed, allowing second thread to hit syscall exit for * pthread_barrier_wait(). */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_lwpid != main_lwp); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); /* Send a signal that only the second thread can handle. */ REQUIRE_EQ(kill(fpid, SIGUSR2), 0); REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* The next wait() should report the SIGUSR2. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR2); /* Allow the main thread to try to finish its system call. */ REQUIRE_EQ(ptrace(PT_RESUME, main_lwp, 0, 0), 0); /* * At this point, the main thread is in the middle of a system call and * has been resumed. The second thread has taken a SIGUSR2 which will * be replaced with a SIGKILL below. The main thread will get to run * first. It should notice the kill request (even though the signal * replacement occurred in the other thread) and exit accordingly. It * should not stop for the system call exit event. */ /* Replace the SIGUSR2 with a kill. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL (not a syscall exit). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void sigusr1_handler(int sig) { CHILD_REQUIRE_EQ(sig, SIGUSR1); _exit(2); } /* * Verify that even if the signal queue is full for a child process, * a PT_KILL will kill the process. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_KILL_with_signal_full_sigqueue); ATF_TC_BODY(ptrace__PT_KILL_with_signal_full_sigqueue, tc) { pid_t fpid, wpid; int status; int max_pending_per_proc; size_t len; int i; ATF_REQUIRE(signal(SIGUSR1, sigusr1_handler) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); len = sizeof(max_pending_per_proc); ATF_REQUIRE(sysctlbyname("kern.sigqueue.max_pending_per_proc", &max_pending_per_proc, &len, NULL, 0) == 0); /* Fill the signal queue. */ for (i = 0; i < max_pending_per_proc; ++i) REQUIRE_EQ(kill(fpid, SIGUSR1), 0); /* Kill the child process. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that when stopped at a system call entry, a signal can be * requested with PT_CONTINUE which will be delivered once the system * call is complete. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_system_call_entry); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_system_call_entry, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE(signal(SIGUSR1, sigusr1_handler) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); getpid(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP and tracing system calls. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* The second wait() should report a system call entry for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); /* Continue the child process with a signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); for (;;) { /* * The last wait() should report exit 2, i.e., a normal _exit * from the signal handler. In the meantime, catch and proceed * past any syscall stops. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } else { ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); break; } } wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void sigusr1_counting_handler(int sig) { static int counter = 0; CHILD_REQUIRE_EQ(sig, SIGUSR1); counter++; if (counter == 2) _exit(2); } /* * Verify that, when continuing from a stop at system call entry and exit, * a signal can be requested from both stops, and both will be delivered when * the system call is complete. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_system_call_entry_and_exit); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_system_call_entry_and_exit, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE(signal(SIGUSR1, sigusr1_counting_handler) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); getpid(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP and tracing system calls. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* The second wait() should report a system call entry for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); /* Continue the child process with a signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* The third wait() should report a system call exit for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); /* Continue the child process with a signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); for (;;) { /* * The last wait() should report exit 2, i.e., a normal _exit * from the signal handler. In the meantime, catch and proceed * past any syscall stops. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } else { ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); break; } } wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that even if the signal queue is full for a child process, * a PT_CONTINUE with a signal will not result in loss of that signal. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_full_sigqueue); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_full_sigqueue, tc) { pid_t fpid, wpid; int status; int max_pending_per_proc; size_t len; int i; ATF_REQUIRE(signal(SIGUSR2, handler) != SIG_ERR); ATF_REQUIRE(signal(SIGUSR1, sigusr1_handler) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); len = sizeof(max_pending_per_proc); ATF_REQUIRE(sysctlbyname("kern.sigqueue.max_pending_per_proc", &max_pending_per_proc, &len, NULL, 0) == 0); /* Fill the signal queue. */ for (i = 0; i < max_pending_per_proc; ++i) REQUIRE_EQ(kill(fpid, SIGUSR2), 0); /* Continue with signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); for (;;) { wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); if (WIFSTOPPED(status)) { REQUIRE_EQ(WSTOPSIG(status), SIGUSR2); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } else { /* * The last wait() should report normal _exit from the * SIGUSR1 handler. */ ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); break; } } wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static sem_t sigusr1_sem; static int got_usr1; static void sigusr1_sempost_handler(int sig __unused) { got_usr1++; CHILD_REQUIRE_EQ(sem_post(&sigusr1_sem), 0); } /* * Verify that even if the signal queue is full for a child process, * and the signal is masked, a PT_CONTINUE with a signal will not * result in loss of that signal. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_masked_full_sigqueue); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_masked_full_sigqueue, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status, err; int max_pending_per_proc; size_t len; int i; sigset_t sigmask; ATF_REQUIRE(signal(SIGUSR2, handler) != SIG_ERR); REQUIRE_EQ(sem_init(&sigusr1_sem, 0, 0), 0); ATF_REQUIRE(signal(SIGUSR1, sigusr1_sempost_handler) != SIG_ERR); got_usr1 = 0; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { CHILD_REQUIRE_EQ(sigemptyset(&sigmask), 0); CHILD_REQUIRE_EQ(sigaddset(&sigmask, SIGUSR1), 0); CHILD_REQUIRE_EQ(sigprocmask(SIG_BLOCK, &sigmask, NULL), 0); trace_me(); CHILD_REQUIRE_EQ(got_usr1, 0); /* Allow the pending SIGUSR1 in now. */ CHILD_REQUIRE_EQ(sigprocmask(SIG_UNBLOCK, &sigmask, NULL), 0); /* Wait to receive the SIGUSR1. */ do { err = sem_wait(&sigusr1_sem); CHILD_REQUIRE(err == 0 || errno == EINTR); } while (err != 0 && errno == EINTR); CHILD_REQUIRE_EQ(got_usr1, 1); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); len = sizeof(max_pending_per_proc); ATF_REQUIRE(sysctlbyname("kern.sigqueue.max_pending_per_proc", &max_pending_per_proc, &len, NULL, 0) == 0); /* Fill the signal queue. */ for (i = 0; i < max_pending_per_proc; ++i) REQUIRE_EQ(kill(fpid, SIGUSR2), 0); /* Continue with signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* Collect and ignore all of the SIGUSR2. */ for (i = 0; i < max_pending_per_proc; ++i) { wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR2); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } /* Now our PT_CONTINUE'd SIGUSR1 should cause a stop after unmask. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR1); ATF_REQUIRE(ptrace(PT_LWPINFO, fpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGUSR1); /* Continue the child, ignoring the SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last wait() should report exit after receiving SIGUSR1. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that, after stopping due to a signal, that signal can be * replaced with another signal. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_change_sig); ATF_TC_BODY(ptrace__PT_CONTINUE_change_sig, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); sleep(20); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* Send a signal without ptrace. */ REQUIRE_EQ(kill(fpid, SIGINT), 0); /* The second wait() should report a SIGINT was received. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGINT); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGINT); /* Continue the child process with a different signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGTERM), 0); /* * The last wait() should report having died due to the new * signal, SIGTERM. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGTERM); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a signal can be passed through to the child even when there * was no true signal originally. Such cases arise when a SIGTRAP is * invented for e.g, system call stops. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_sigtrap_system_call_entry); ATF_TC_BODY(ptrace__PT_CONTINUE_with_sigtrap_system_call_entry, tc) { struct ptrace_lwpinfo pl; struct rlimit rl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); /* SIGTRAP expected to cause exit on syscall entry. */ rl.rlim_cur = rl.rlim_max = 0; REQUIRE_EQ(setrlimit(RLIMIT_CORE, &rl), 0); getpid(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP and tracing system calls. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* The second wait() should report a system call entry for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); /* Continue the child process with a SIGTRAP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGTRAP), 0); for (;;) { /* * The last wait() should report exit due to SIGTRAP. In the * meantime, catch and proceed past any syscall stops. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } else { ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGTRAP); break; } } wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * A mixed bag PT_CONTINUE with signal test. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_mix); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_mix, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE(signal(SIGUSR1, sigusr1_counting_handler) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); getpid(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP and tracing system calls. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* The second wait() should report a system call entry for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); /* Continue with the first SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* The next wait() should report a system call exit for getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); /* Send an ABRT without ptrace. */ REQUIRE_EQ(kill(fpid, SIGABRT), 0); /* Continue normally. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next wait() should report the SIGABRT. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGABRT); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGABRT); /* Continue, replacing the SIGABRT with another SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); for (;;) { /* * The last wait() should report exit 2, i.e., a normal _exit * from the signal handler. In the meantime, catch and proceed * past any syscall stops. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } else { ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 2); break; } } wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify a signal delivered by ptrace is noticed by kevent(2). */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_kqueue); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_kqueue, tc) { pid_t fpid, wpid; int status, kq, nevents; struct kevent kev; ATF_REQUIRE(signal(SIGUSR1, SIG_IGN) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { CHILD_REQUIRE((kq = kqueue()) > 0); EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, 0); CHILD_REQUIRE_EQ(kevent(kq, &kev, 1, NULL, 0, NULL), 0); trace_me(); for (;;) { nevents = kevent(kq, NULL, 0, &kev, 1, NULL); if (nevents == -1 && errno == EINTR) continue; CHILD_REQUIRE(nevents > 0); CHILD_REQUIRE_EQ(kev.filter, EVFILT_SIGNAL); CHILD_REQUIRE_EQ(kev.ident, (uintptr_t)SIGUSR1); break; } exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue with the SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* * The last wait() should report normal exit with code 1. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void * signal_thread(void *arg) { int err; sigset_t sigmask; pthread_barrier_t *pbarrier = (pthread_barrier_t*)arg; /* Wait for this thread to receive a SIGUSR1. */ do { err = sem_wait(&sigusr1_sem); CHILD_REQUIRE(err == 0 || errno == EINTR); } while (err != 0 && errno == EINTR); /* Free our companion thread from the barrier. */ pthread_barrier_wait(pbarrier); /* * Swap ignore duties; the next SIGUSR1 should go to the * other thread. */ CHILD_REQUIRE_EQ(sigemptyset(&sigmask), 0); CHILD_REQUIRE_EQ(sigaddset(&sigmask, SIGUSR1), 0); CHILD_REQUIRE_EQ(pthread_sigmask(SIG_BLOCK, &sigmask, NULL), 0); /* Sync up threads after swapping signal masks. */ pthread_barrier_wait(pbarrier); /* Wait until our companion has received its SIGUSR1. */ pthread_barrier_wait(pbarrier); return (NULL); } /* * Verify that a traced process with blocked signal received the * signal from kill() once unmasked. */ ATF_TC_WITHOUT_HEAD(ptrace__killed_with_sigmask); ATF_TC_BODY(ptrace__killed_with_sigmask, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status, err; sigset_t sigmask; REQUIRE_EQ(sem_init(&sigusr1_sem, 0, 0), 0); ATF_REQUIRE(signal(SIGUSR1, sigusr1_sempost_handler) != SIG_ERR); got_usr1 = 0; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { CHILD_REQUIRE_EQ(sigemptyset(&sigmask), 0); CHILD_REQUIRE_EQ(sigaddset(&sigmask, SIGUSR1), 0); CHILD_REQUIRE_EQ(sigprocmask(SIG_BLOCK, &sigmask, NULL), 0); trace_me(); CHILD_REQUIRE_EQ(got_usr1, 0); /* Allow the pending SIGUSR1 in now. */ CHILD_REQUIRE_EQ(sigprocmask(SIG_UNBLOCK, &sigmask, NULL), 0); /* Wait to receive a SIGUSR1. */ do { err = sem_wait(&sigusr1_sem); CHILD_REQUIRE(err == 0 || errno == EINTR); } while (err != 0 && errno == EINTR); CHILD_REQUIRE_EQ(got_usr1, 1); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, fpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGSTOP); /* Send blocked SIGUSR1 which should cause a stop. */ REQUIRE_EQ(kill(fpid, SIGUSR1), 0); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next wait() should report the kill(SIGUSR1) was received. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR1); ATF_REQUIRE(ptrace(PT_LWPINFO, fpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGUSR1); /* Continue the child, allowing in the SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* The last wait() should report normal exit with code 1. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that a traced process with blocked signal received the * signal from PT_CONTINUE once unmasked. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_sigmask); ATF_TC_BODY(ptrace__PT_CONTINUE_with_sigmask, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status, err; sigset_t sigmask; REQUIRE_EQ(sem_init(&sigusr1_sem, 0, 0), 0); ATF_REQUIRE(signal(SIGUSR1, sigusr1_sempost_handler) != SIG_ERR); got_usr1 = 0; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { CHILD_REQUIRE_EQ(sigemptyset(&sigmask), 0); CHILD_REQUIRE_EQ(sigaddset(&sigmask, SIGUSR1), 0); CHILD_REQUIRE_EQ(sigprocmask(SIG_BLOCK, &sigmask, NULL), 0); trace_me(); CHILD_REQUIRE_EQ(got_usr1, 0); /* Allow the pending SIGUSR1 in now. */ CHILD_REQUIRE_EQ(sigprocmask(SIG_UNBLOCK, &sigmask, NULL), 0); /* Wait to receive a SIGUSR1. */ do { err = sem_wait(&sigusr1_sem); CHILD_REQUIRE(err == 0 || errno == EINTR); } while (err != 0 && errno == EINTR); CHILD_REQUIRE_EQ(got_usr1, 1); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, fpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGSTOP); /* Continue the child replacing SIGSTOP with SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* The next wait() should report the SIGUSR1 was received. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR1); ATF_REQUIRE(ptrace(PT_LWPINFO, fpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGUSR1); /* Continue the child, ignoring the SIGUSR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last wait() should report normal exit with code 1. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that if ptrace stops due to a signal but continues with * a different signal that the new signal is routed to a thread * that can accept it, and that the thread is awakened by the signal * in a timely manner. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_with_signal_thread_sigmask); ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_thread_sigmask, tc) { pid_t fpid, wpid; int status, err; pthread_t t; sigset_t sigmask; pthread_barrier_t barrier; REQUIRE_EQ(pthread_barrier_init(&barrier, NULL, 2), 0); REQUIRE_EQ(sem_init(&sigusr1_sem, 0, 0), 0); ATF_REQUIRE(signal(SIGUSR1, sigusr1_sempost_handler) != SIG_ERR); ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { CHILD_REQUIRE_EQ(pthread_create(&t, NULL, signal_thread, (void *)&barrier), 0); /* The other thread should receive the first SIGUSR1. */ CHILD_REQUIRE_EQ(sigemptyset(&sigmask), 0); CHILD_REQUIRE_EQ(sigaddset(&sigmask, SIGUSR1), 0); CHILD_REQUIRE_EQ(pthread_sigmask(SIG_BLOCK, &sigmask, NULL), 0); trace_me(); /* Wait until other thread has received its SIGUSR1. */ pthread_barrier_wait(&barrier); /* * Swap ignore duties; the next SIGUSR1 should go to this * thread. */ CHILD_REQUIRE_EQ(pthread_sigmask(SIG_UNBLOCK, &sigmask, NULL), 0); /* Sync up threads after swapping signal masks. */ pthread_barrier_wait(&barrier); /* * Sync up with test code; we're ready for the next SIGUSR1 * now. */ raise(SIGSTOP); /* Wait for this thread to receive a SIGUSR1. */ do { err = sem_wait(&sigusr1_sem); CHILD_REQUIRE(err == 0 || errno == EINTR); } while (err != 0 && errno == EINTR); /* Free the other thread from the barrier. */ pthread_barrier_wait(&barrier); CHILD_REQUIRE_EQ(pthread_join(t, NULL), 0); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * Send a signal without ptrace that either thread will accept (USR2, * in this case). */ REQUIRE_EQ(kill(fpid, SIGUSR2), 0); /* The second wait() should report a SIGUSR2 was received. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR2); /* Continue the child, changing the signal to USR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* The next wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); REQUIRE_EQ(kill(fpid, SIGUSR2), 0); /* The next wait() should report a SIGUSR2 was received. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGUSR2); /* Continue the child, changing the signal to USR1. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, SIGUSR1), 0); /* The last wait() should report normal exit with code 1. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that PT_GETREGSET returns registers and PT_SETREGSET updates them. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_REGSET); ATF_TC_BODY(ptrace__PT_REGSET, tc) { +#if defined(__aarch64__) + struct arm64_addr_mask addr_mask; +#endif struct prstatus prstatus; struct iovec vec; pid_t child, wpid; int status; ATF_REQUIRE((child = fork()) != -1); if (child == 0) { trace_me(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Check the size is returned when vec.iov_base is NULL */ vec.iov_base = NULL; vec.iov_len = 0; ATF_REQUIRE(ptrace(PT_GETREGSET, wpid, (caddr_t)&vec, NT_PRSTATUS) != -1); ATF_REQUIRE(vec.iov_len == sizeof(prstatus)); ATF_REQUIRE(vec.iov_base == NULL); /* Read the registers. */ memset(&prstatus, 0, sizeof(prstatus)); vec.iov_base = &prstatus; ATF_REQUIRE(ptrace(PT_GETREGSET, wpid, (caddr_t)&vec, NT_PRSTATUS) != -1); ATF_REQUIRE(vec.iov_len == sizeof(prstatus)); ATF_REQUIRE(vec.iov_base == &prstatus); ATF_REQUIRE(prstatus.pr_statussz == sizeof(prstatus)); /* Write the registers back. */ ATF_REQUIRE(ptrace(PT_SETREGSET, wpid, (caddr_t)&vec, NT_PRSTATUS) != -1); +#if defined(__aarch64__) + vec.iov_base = &addr_mask; + vec.iov_len = sizeof(addr_mask); + ATF_REQUIRE(ptrace(PT_GETREGSET, wpid, (caddr_t)&vec, + NT_ARM_ADDR_MASK) != -1); + REQUIRE_EQ(addr_mask.code, addr_mask.data); + ATF_REQUIRE(addr_mask.code == 0 || + addr_mask.code == 0xff7f000000000000UL); +#endif + REQUIRE_EQ(ptrace(PT_CONTINUE, child, (caddr_t)1, 0), 0); /* The second wait() should report the exit status. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); /* The child should no longer exist. */ wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void * raise_sigstop_thread(void *arg __unused) { raise(SIGSTOP); return NULL; } static void * sleep_thread(void *arg __unused) { sleep(60); return NULL; } static void terminate_with_pending_sigstop(bool sigstop_from_main_thread) { pid_t fpid, wpid; int status, i; cpuset_t setmask; cpusetid_t setid; pthread_t t; /* * Become the reaper for this process tree. We need to be able to check * that both child and grandchild have died. */ REQUIRE_EQ(procctl(P_PID, getpid(), PROC_REAP_ACQUIRE, NULL), 0); fpid = fork(); ATF_REQUIRE(fpid >= 0); if (fpid == 0) { fpid = fork(); CHILD_REQUIRE(fpid >= 0); if (fpid == 0) { trace_me(); /* Pin to CPU 0 to serialize thread execution. */ CPU_ZERO(&setmask); CPU_SET(0, &setmask); CHILD_REQUIRE_EQ(cpuset(&setid), 0); CHILD_REQUIRE(cpuset_setaffinity(CPU_LEVEL_CPUSET, CPU_WHICH_CPUSET, setid, sizeof(setmask), &setmask) == 0); if (sigstop_from_main_thread) { /* * We expect the SIGKILL sent when our parent * dies to be delivered to the new thread. * Raise the SIGSTOP in this thread so the * threads compete. */ CHILD_REQUIRE(pthread_create(&t, NULL, sleep_thread, NULL) == 0); raise(SIGSTOP); } else { /* * We expect the SIGKILL to be delivered to * this thread. After creating the new thread, * just get off the CPU so the other thread can * raise the SIGSTOP. */ CHILD_REQUIRE(pthread_create(&t, NULL, raise_sigstop_thread, NULL) == 0); sleep(60); } exit(0); } /* First stop is trace_me() immediately after fork. */ wpid = waitpid(fpid, &status, 0); CHILD_REQUIRE_EQ(wpid, fpid); CHILD_REQUIRE(WIFSTOPPED(status)); CHILD_REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); CHILD_REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* Second stop is from the raise(SIGSTOP). */ wpid = waitpid(fpid, &status, 0); CHILD_REQUIRE_EQ(wpid, fpid); CHILD_REQUIRE(WIFSTOPPED(status)); CHILD_REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* * Terminate tracing process without detaching. Our child * should be killed. */ exit(0); } /* * We should get a normal exit from our immediate child and a SIGKILL * exit from our grandchild. The latter case is the interesting one. * Our grandchild should not have stopped due to the SIGSTOP that was * left dangling when its parent died. */ for (i = 0; i < 2; ++i) { wpid = wait(&status); if (wpid == fpid) { ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); } else { ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); } } } /* * These two tests ensure that if the tracing process exits without detaching * just after the child received a SIGSTOP, the child is cleanly killed and * doesn't go to sleep due to the SIGSTOP. The parent's death will send a * SIGKILL to the child. If the SIGKILL and the SIGSTOP are handled by * different threads, the SIGKILL must win. There are two variants of this * test, designed to catch the case where the SIGKILL is delivered to the * younger thread (the first test) and the case where the SIGKILL is delivered * to the older thread (the second test). This behavior has changed in the * past, so make no assumption. */ ATF_TC(ptrace__parent_terminate_with_pending_sigstop1); ATF_TC_HEAD(ptrace__parent_terminate_with_pending_sigstop1, tc) { atf_tc_set_md_var(tc, "require.user", "root"); } ATF_TC_BODY(ptrace__parent_terminate_with_pending_sigstop1, tc) { terminate_with_pending_sigstop(true); } ATF_TC(ptrace__parent_terminate_with_pending_sigstop2); ATF_TC_HEAD(ptrace__parent_terminate_with_pending_sigstop2, tc) { atf_tc_set_md_var(tc, "require.user", "root"); } ATF_TC_BODY(ptrace__parent_terminate_with_pending_sigstop2, tc) { terminate_with_pending_sigstop(false); } /* * Verify that after ptrace() discards a SIGKILL signal, the event mask * is not modified. */ ATF_TC_WITHOUT_HEAD(ptrace__event_mask_sigkill_discard); ATF_TC_BODY(ptrace__event_mask_sigkill_discard, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status, event_mask, new_event_mask; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); raise(SIGSTOP); exit(0); } /* The first wait() should report the stop from trace_me(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Set several unobtrusive event bits. */ event_mask = PTRACE_EXEC | PTRACE_FORK | PTRACE_LWP; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, wpid, (caddr_t)&event_mask, sizeof(event_mask)) == 0); /* Send a SIGKILL without using ptrace. */ REQUIRE_EQ(kill(fpid, SIGKILL), 0); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next stop should be due to the SIGKILL. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGKILL); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGKILL); /* Continue the child ignoring the SIGKILL. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Check the current event mask. It should not have changed. */ new_event_mask = 0; ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, wpid, (caddr_t)&new_event_mask, sizeof(new_event_mask)) == 0); REQUIRE_EQ(event_mask, new_event_mask); /* Continue the child to let it exit. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } static void * flock_thread(void *arg) { int fd; fd = *(int *)arg; (void)flock(fd, LOCK_EX); (void)flock(fd, LOCK_UN); return (NULL); } /* * Verify that PT_ATTACH will suspend threads sleeping in an SBDRY section. * We rely on the fact that the lockf implementation sets SBDRY before blocking * on a lock. This is a regression test for r318191. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_ATTACH_with_SBDRY_thread); ATF_TC_BODY(ptrace__PT_ATTACH_with_SBDRY_thread, tc) { pthread_barrier_t barrier; pthread_barrierattr_t battr; char tmpfile[64]; pid_t child, wpid; int error, fd, i, status; REQUIRE_EQ(pthread_barrierattr_init(&battr), 0); ATF_REQUIRE(pthread_barrierattr_setpshared(&battr, PTHREAD_PROCESS_SHARED) == 0); REQUIRE_EQ(pthread_barrier_init(&barrier, &battr, 2), 0); (void)snprintf(tmpfile, sizeof(tmpfile), "./ptrace.XXXXXX"); fd = mkstemp(tmpfile); ATF_REQUIRE(fd >= 0); ATF_REQUIRE((child = fork()) != -1); if (child == 0) { pthread_t t[2]; int cfd; error = pthread_barrier_wait(&barrier); if (error != 0 && error != PTHREAD_BARRIER_SERIAL_THREAD) _exit(1); cfd = open(tmpfile, O_RDONLY); if (cfd < 0) _exit(1); /* * We want at least two threads blocked on the file lock since * the SIGSTOP from PT_ATTACH may kick one of them out of * sleep. */ if (pthread_create(&t[0], NULL, flock_thread, &cfd) != 0) _exit(1); if (pthread_create(&t[1], NULL, flock_thread, &cfd) != 0) _exit(1); if (pthread_join(t[0], NULL) != 0) _exit(1); if (pthread_join(t[1], NULL) != 0) _exit(1); _exit(0); } REQUIRE_EQ(flock(fd, LOCK_EX), 0); error = pthread_barrier_wait(&barrier); ATF_REQUIRE(error == 0 || error == PTHREAD_BARRIER_SERIAL_THREAD); /* * Give the child some time to block. Is there a better way to do this? */ sleep(1); /* * Attach and give the child 3 seconds to stop. */ REQUIRE_EQ(ptrace(PT_ATTACH, child, NULL, 0), 0); for (i = 0; i < 3; i++) { wpid = waitpid(child, &status, WNOHANG); if (wpid == child && WIFSTOPPED(status) && WSTOPSIG(status) == SIGSTOP) break; sleep(1); } ATF_REQUIRE_MSG(i < 3, "failed to stop child process after PT_ATTACH"); REQUIRE_EQ(ptrace(PT_DETACH, child, NULL, 0), 0); REQUIRE_EQ(flock(fd, LOCK_UN), 0); REQUIRE_EQ(unlink(tmpfile), 0); REQUIRE_EQ(close(fd), 0); } static void sigusr1_step_handler(int sig) { CHILD_REQUIRE_EQ(sig, SIGUSR1); raise(SIGABRT); } /* * Verify that PT_STEP with a signal invokes the signal before * stepping the next instruction (and that the next instruction is * stepped correctly). */ ATF_TC_WITHOUT_HEAD(ptrace__PT_STEP_with_signal); ATF_TC_BODY(ptrace__PT_STEP_with_signal, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); signal(SIGUSR1, sigusr1_step_handler); raise(SIGABRT); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next stop should report the SIGABRT in the child body. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGABRT); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGABRT); /* Step the child process inserting SIGUSR1. */ REQUIRE_EQ(ptrace(PT_STEP, fpid, (caddr_t)1, SIGUSR1), 0); /* The next stop should report the SIGABRT in the signal handler. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGABRT); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGABRT); /* Continue the child process discarding the signal. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next stop should report a trace trap from PT_STEP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGTRAP); REQUIRE_EQ(pl.pl_siginfo.si_code, TRAP_TRACE); /* Continue the child to let it exit. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } #ifdef HAVE_BREAKPOINT /* * Verify that a SIGTRAP event with the TRAP_BRKPT code is reported * for a breakpoint trap. */ ATF_TC_WITHOUT_HEAD(ptrace__breakpoint_siginfo); ATF_TC_BODY(ptrace__breakpoint_siginfo, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); breakpoint(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The second wait() should report hitting the breakpoint. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE((pl.pl_flags & PL_FLAG_SI) != 0); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGTRAP); REQUIRE_EQ(pl.pl_siginfo.si_code, TRAP_BRKPT); /* Kill the child process. */ REQUIRE_EQ(ptrace(PT_KILL, fpid, 0, 0), 0); /* The last wait() should report the SIGKILL. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSIGNALED(status)); REQUIRE_EQ(WTERMSIG(status), SIGKILL); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } #endif /* HAVE_BREAKPOINT */ /* * Verify that a SIGTRAP event with the TRAP_TRACE code is reported * for a single-step trap from PT_STEP. */ ATF_TC_WITHOUT_HEAD(ptrace__step_siginfo); ATF_TC_BODY(ptrace__step_siginfo, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Step the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_STEP, fpid, (caddr_t)1, 0), 0); /* The second wait() should report a single-step trap. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE((pl.pl_flags & PL_FLAG_SI) != 0); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGTRAP); REQUIRE_EQ(pl.pl_siginfo.si_code, TRAP_TRACE); /* Continue the child process. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } #if defined(HAVE_BREAKPOINT) && defined(SKIP_BREAK) static void * continue_thread(void *arg __unused) { breakpoint(); return (NULL); } static __dead2 void continue_thread_main(void) { pthread_t threads[2]; CHILD_REQUIRE(pthread_create(&threads[0], NULL, continue_thread, NULL) == 0); CHILD_REQUIRE(pthread_create(&threads[1], NULL, continue_thread, NULL) == 0); CHILD_REQUIRE_EQ(pthread_join(threads[0], NULL), 0); CHILD_REQUIRE_EQ(pthread_join(threads[1], NULL), 0); exit(1); } /* * Ensure that PT_CONTINUE clears the status of the thread that * triggered the stop even if a different thread's LWP was passed to * PT_CONTINUE. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_CONTINUE_different_thread); ATF_TC_BODY(ptrace__PT_CONTINUE_different_thread, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; lwpid_t lwps[2]; bool hit_break[2]; struct reg reg; int i, j, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); continue_thread_main(); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ(ptrace(PT_LWP_EVENTS, wpid, NULL, 1), 0); /* Continue the child ignoring the SIGSTOP. */ REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* One of the new threads should report it's birth. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_BORN | PL_FLAG_SCX)), (PL_FLAG_BORN | PL_FLAG_SCX)); lwps[0] = pl.pl_lwpid; /* * Suspend this thread to ensure both threads are alive before * hitting the breakpoint. */ ATF_REQUIRE(ptrace(PT_SUSPEND, lwps[0], NULL, 0) != -1); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* Second thread should report it's birth. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); REQUIRE_EQ((pl.pl_flags & (PL_FLAG_BORN | PL_FLAG_SCX)), (PL_FLAG_BORN | PL_FLAG_SCX)); ATF_REQUIRE(pl.pl_lwpid != lwps[0]); lwps[1] = pl.pl_lwpid; /* Resume both threads waiting for breakpoint events. */ hit_break[0] = hit_break[1] = false; ATF_REQUIRE(ptrace(PT_RESUME, lwps[0], NULL, 0) != -1); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* One thread should report a breakpoint. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE((pl.pl_flags & PL_FLAG_SI) != 0); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGTRAP); REQUIRE_EQ(pl.pl_siginfo.si_code, TRAP_BRKPT); if (pl.pl_lwpid == lwps[0]) i = 0; else i = 1; hit_break[i] = true; ATF_REQUIRE(ptrace(PT_GETREGS, pl.pl_lwpid, (caddr_t)®, 0) != -1); SKIP_BREAK(®); ATF_REQUIRE(ptrace(PT_SETREGS, pl.pl_lwpid, (caddr_t)®, 0) != -1); /* * Resume both threads but pass the other thread's LWPID to * PT_CONTINUE. */ REQUIRE_EQ(ptrace(PT_CONTINUE, lwps[i ^ 1], (caddr_t)1, 0), 0); /* * Will now get two thread exit events and one more breakpoint * event. */ for (j = 0; j < 3; j++) { wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); if (pl.pl_lwpid == lwps[0]) i = 0; else i = 1; ATF_REQUIRE_MSG(lwps[i] != 0, "event for exited thread"); if (pl.pl_flags & PL_FLAG_EXITED) { ATF_REQUIRE_MSG(hit_break[i], "exited thread did not report breakpoint"); lwps[i] = 0; } else { ATF_REQUIRE((pl.pl_flags & PL_FLAG_SI) != 0); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGTRAP); REQUIRE_EQ(pl.pl_siginfo.si_code, TRAP_BRKPT); ATF_REQUIRE_MSG(!hit_break[i], "double breakpoint event"); hit_break[i] = true; ATF_REQUIRE(ptrace(PT_GETREGS, pl.pl_lwpid, (caddr_t)®, 0) != -1); SKIP_BREAK(®); ATF_REQUIRE(ptrace(PT_SETREGS, pl.pl_lwpid, (caddr_t)®, 0) != -1); } REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); } /* Both threads should have exited. */ REQUIRE_EQ(lwps[0], 0); REQUIRE_EQ(lwps[1], 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } #endif /* * Verify that PT_LWPINFO doesn't return stale siginfo. */ ATF_TC_WITHOUT_HEAD(ptrace__PT_LWPINFO_stale_siginfo); ATF_TC_BODY(ptrace__PT_LWPINFO_stale_siginfo, tc) { struct ptrace_lwpinfo pl; pid_t fpid, wpid; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); raise(SIGABRT); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The next stop should report the SIGABRT in the child body. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGABRT); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SI); REQUIRE_EQ(pl.pl_siginfo.si_signo, SIGABRT); /* * Continue the process ignoring the signal, but enabling * syscall traps. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* * The next stop should report a system call entry from * exit(). PL_FLAGS_SI should not be set. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); REQUIRE_EQ((pl.pl_flags & PL_FLAG_SI), 0); /* Disable syscall tracing and continue the child to let it exit. */ ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); events &= ~PTRACE_SYSCALL; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * A simple test of PT_GET_SC_ARGS and PT_GET_SC_RET. */ ATF_TC_WITHOUT_HEAD(ptrace__syscall_args); ATF_TC_BODY(ptrace__syscall_args, tc) { struct ptrace_lwpinfo pl; struct ptrace_sc_ret psr; pid_t fpid, wpid; register_t args[2]; int events, status; ATF_REQUIRE((fpid = fork()) != -1); if (fpid == 0) { trace_me(); kill(getpid(), 0); /* Close a fd that should not exist. */ close(12345); exit(1); } /* The first wait() should report the stop from SIGSTOP. */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* * Continue the process ignoring the signal, but enabling * syscall traps. */ REQUIRE_EQ(ptrace(PT_SYSCALL, fpid, (caddr_t)1, 0), 0); /* * The next stop should be the syscall entry from getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); REQUIRE_EQ(pl.pl_syscall_code, (unsigned)SYS_getpid); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * The next stop should be the syscall exit from getpid(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); REQUIRE_EQ(pl.pl_syscall_code, (unsigned)SYS_getpid); ATF_REQUIRE(ptrace(PT_GET_SC_RET, wpid, (caddr_t)&psr, sizeof(psr)) != -1); REQUIRE_EQ(psr.sr_error, 0); REQUIRE_EQ(psr.sr_retval[0], wpid); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * The next stop should be the syscall entry from kill(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); REQUIRE_EQ(pl.pl_syscall_code, (unsigned)SYS_kill); REQUIRE_EQ(pl.pl_syscall_narg, 2u); ATF_REQUIRE(ptrace(PT_GET_SC_ARGS, wpid, (caddr_t)args, sizeof(args)) != -1); REQUIRE_EQ(args[0], wpid); REQUIRE_EQ(args[1], 0); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * The next stop should be the syscall exit from kill(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); REQUIRE_EQ(pl.pl_syscall_code, (unsigned)SYS_kill); ATF_REQUIRE(ptrace(PT_GET_SC_RET, wpid, (caddr_t)&psr, sizeof(psr)) != -1); REQUIRE_EQ(psr.sr_error, 0); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * The next stop should be the syscall entry from close(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCE); REQUIRE_EQ(pl.pl_syscall_code, (unsigned)SYS_close); REQUIRE_EQ(pl.pl_syscall_narg, 1u); ATF_REQUIRE(ptrace(PT_GET_SC_ARGS, wpid, (caddr_t)args, sizeof(args)) != -1); REQUIRE_EQ(args[0], 12345); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* * The next stop should be the syscall exit from close(). */ wpid = waitpid(fpid, &status, 0); REQUIRE_EQ(wpid, fpid); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGTRAP); ATF_REQUIRE(ptrace(PT_LWPINFO, wpid, (caddr_t)&pl, sizeof(pl)) != -1); ATF_REQUIRE(pl.pl_flags & PL_FLAG_SCX); REQUIRE_EQ(pl.pl_syscall_code, (unsigned)SYS_close); ATF_REQUIRE(ptrace(PT_GET_SC_RET, wpid, (caddr_t)&psr, sizeof(psr)) != -1); REQUIRE_EQ(psr.sr_error, EBADF); /* Disable syscall tracing and continue the child to let it exit. */ ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); events &= ~PTRACE_SYSCALL; ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, fpid, (caddr_t)&events, sizeof(events)) == 0); REQUIRE_EQ(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0); /* The last event should be for the child process's exit. */ wpid = waitpid(fpid, &status, 0); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 1); wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Verify that when the process is traced that it isn't reparent * to the init process when we close all process descriptors. */ ATF_TC(ptrace__proc_reparent); ATF_TC_HEAD(ptrace__proc_reparent, tc) { atf_tc_set_md_var(tc, "timeout", "2"); } ATF_TC_BODY(ptrace__proc_reparent, tc) { pid_t traced, debuger, wpid; int pd, status; traced = pdfork(&pd, 0); ATF_REQUIRE(traced >= 0); if (traced == 0) { raise(SIGSTOP); exit(0); } ATF_REQUIRE(pd >= 0); debuger = fork(); ATF_REQUIRE(debuger >= 0); if (debuger == 0) { /* The traced process is reparented to debuger. */ REQUIRE_EQ(ptrace(PT_ATTACH, traced, 0, 0), 0); wpid = waitpid(traced, &status, 0); REQUIRE_EQ(wpid, traced); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); REQUIRE_EQ(close(pd), 0); REQUIRE_EQ(ptrace(PT_DETACH, traced, (caddr_t)1, 0), 0); /* We closed pd so we should not have any child. */ wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); exit(0); } REQUIRE_EQ(close(pd), 0); wpid = waitpid(debuger, &status, 0); REQUIRE_EQ(wpid, debuger); REQUIRE_EQ(WEXITSTATUS(status), 0); /* Check if we still have any child. */ wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); } /* * Ensure that traced processes created with pdfork(2) are visible to * waitid(P_ALL). */ ATF_TC_WITHOUT_HEAD(ptrace__procdesc_wait_child); ATF_TC_BODY(ptrace__procdesc_wait_child, tc) { pid_t child, wpid; int pd, status; child = pdfork(&pd, 0); ATF_REQUIRE(child >= 0); if (child == 0) { trace_me(); (void)raise(SIGSTOP); exit(0); } wpid = waitpid(child, &status, 0); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); wpid = wait(&status); REQUIRE_EQ(wpid, child); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); ATF_REQUIRE(ptrace(PT_CONTINUE, child, (caddr_t)1, 0) != -1); /* * If process was created by pdfork, the return code have to * be collected through process descriptor. */ wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); ATF_REQUIRE(close(pd) != -1); } /* * Ensure that traced processes created with pdfork(2) are not visible * after returning to parent - waitid(P_ALL). */ ATF_TC_WITHOUT_HEAD(ptrace__procdesc_reparent_wait_child); ATF_TC_BODY(ptrace__procdesc_reparent_wait_child, tc) { pid_t traced, debuger, wpid; int pd, status; traced = pdfork(&pd, 0); ATF_REQUIRE(traced >= 0); if (traced == 0) { raise(SIGSTOP); exit(0); } ATF_REQUIRE(pd >= 0); /* Wait until the child process has stopped before fork()ing again. */ REQUIRE_EQ(traced, waitpid(traced, &status, WSTOPPED)); debuger = fork(); ATF_REQUIRE(debuger >= 0); if (debuger == 0) { /* The traced process is reparented to debuger. */ REQUIRE_EQ(ptrace(PT_ATTACH, traced, 0, 0), 0); wpid = waitpid(traced, &status, 0); REQUIRE_EQ(wpid, traced); ATF_REQUIRE(WIFSTOPPED(status)); REQUIRE_EQ(WSTOPSIG(status), SIGSTOP); /* Allow process to die. */ REQUIRE_EQ(ptrace(PT_CONTINUE, traced, (caddr_t)1, 0), 0); wpid = waitpid(traced, &status, 0); REQUIRE_EQ(wpid, traced); ATF_REQUIRE(WIFEXITED(status)); REQUIRE_EQ(WEXITSTATUS(status), 0); /* Reparent back to the orginal process. */ REQUIRE_EQ(close(pd), 0); exit(0); } wpid = waitpid(debuger, &status, 0); REQUIRE_EQ(wpid, debuger); REQUIRE_EQ(WEXITSTATUS(status), 0); /* * We have a child but it has a process descriptori * so we should not be able to collect it process. */ wpid = wait(&status); REQUIRE_EQ(wpid, -1); REQUIRE_EQ(errno, ECHILD); REQUIRE_EQ(close(pd), 0); } ATF_TP_ADD_TCS(tp) { ATF_TP_ADD_TC(tp, ptrace__parent_wait_after_trace_me); ATF_TP_ADD_TC(tp, ptrace__parent_wait_after_attach); ATF_TP_ADD_TC(tp, ptrace__parent_sees_exit_after_child_debugger); ATF_TP_ADD_TC(tp, ptrace__parent_sees_exit_after_unrelated_debugger); ATF_TP_ADD_TC(tp, ptrace__parent_exits_before_child); ATF_TP_ADD_TC(tp, ptrace__follow_fork_both_attached); ATF_TP_ADD_TC(tp, ptrace__follow_fork_child_detached); ATF_TP_ADD_TC(tp, ptrace__follow_fork_parent_detached); ATF_TP_ADD_TC(tp, ptrace__follow_fork_both_attached_unrelated_debugger); ATF_TP_ADD_TC(tp, ptrace__follow_fork_child_detached_unrelated_debugger); ATF_TP_ADD_TC(tp, ptrace__follow_fork_parent_detached_unrelated_debugger); ATF_TP_ADD_TC(tp, ptrace__getppid); ATF_TP_ADD_TC(tp, ptrace__new_child_pl_syscall_code_fork); ATF_TP_ADD_TC(tp, ptrace__new_child_pl_syscall_code_vfork); ATF_TP_ADD_TC(tp, ptrace__new_child_pl_syscall_code_thread); ATF_TP_ADD_TC(tp, ptrace__lwp_events); ATF_TP_ADD_TC(tp, ptrace__lwp_events_exec); ATF_TP_ADD_TC(tp, ptrace__siginfo); ATF_TP_ADD_TC(tp, ptrace__ptrace_exec_disable); ATF_TP_ADD_TC(tp, ptrace__ptrace_exec_enable); ATF_TP_ADD_TC(tp, ptrace__event_mask); ATF_TP_ADD_TC(tp, ptrace__ptrace_vfork); ATF_TP_ADD_TC(tp, ptrace__ptrace_vfork_follow); #ifdef HAVE_BREAKPOINT ATF_TP_ADD_TC(tp, ptrace__PT_KILL_breakpoint); #endif ATF_TP_ADD_TC(tp, ptrace__PT_KILL_system_call); ATF_TP_ADD_TC(tp, ptrace__PT_KILL_threads); ATF_TP_ADD_TC(tp, ptrace__PT_KILL_competing_signal); ATF_TP_ADD_TC(tp, ptrace__PT_KILL_competing_stop); ATF_TP_ADD_TC(tp, ptrace__PT_KILL_with_signal_full_sigqueue); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_system_call_entry); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_system_call_entry_and_exit); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_full_sigqueue); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_masked_full_sigqueue); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_change_sig); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_sigtrap_system_call_entry); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_mix); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_kqueue); ATF_TP_ADD_TC(tp, ptrace__killed_with_sigmask); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_sigmask); ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_with_signal_thread_sigmask); ATF_TP_ADD_TC(tp, ptrace__PT_REGSET); ATF_TP_ADD_TC(tp, ptrace__parent_terminate_with_pending_sigstop1); ATF_TP_ADD_TC(tp, ptrace__parent_terminate_with_pending_sigstop2); ATF_TP_ADD_TC(tp, ptrace__event_mask_sigkill_discard); ATF_TP_ADD_TC(tp, ptrace__PT_ATTACH_with_SBDRY_thread); ATF_TP_ADD_TC(tp, ptrace__PT_STEP_with_signal); #ifdef HAVE_BREAKPOINT ATF_TP_ADD_TC(tp, ptrace__breakpoint_siginfo); #endif ATF_TP_ADD_TC(tp, ptrace__step_siginfo); #if defined(HAVE_BREAKPOINT) && defined(SKIP_BREAK) ATF_TP_ADD_TC(tp, ptrace__PT_CONTINUE_different_thread); #endif ATF_TP_ADD_TC(tp, ptrace__PT_LWPINFO_stale_siginfo); ATF_TP_ADD_TC(tp, ptrace__syscall_args); ATF_TP_ADD_TC(tp, ptrace__proc_reparent); ATF_TP_ADD_TC(tp, ptrace__procdesc_wait_child); ATF_TP_ADD_TC(tp, ptrace__procdesc_reparent_wait_child); return (atf_no_error()); }