diff --git a/sys/amd64/amd64/gdb_machdep.c b/sys/amd64/amd64/gdb_machdep.c index 73022bee7674..8b391bb63dcf 100644 --- a/sys/amd64/amd64/gdb_machdep.c +++ b/sys/amd64/amd64/gdb_machdep.c @@ -1,171 +1,168 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2004 Marcel Moolenaar * 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 AUTHORS ``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 AUTHORS 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 void * gdb_cpu_getreg(int regnum, size_t *regsz) { static uint32_t _kcodesel = GSEL(GCODE_SEL, SEL_KPL); static uint32_t _kdatasel = GSEL(GDATA_SEL, SEL_KPL); *regsz = gdb_cpu_regsz(regnum); if (kdb_thread == curthread) { switch (regnum) { case GDB_REG_RAX: return (&kdb_frame->tf_rax); case GDB_REG_RCX: return (&kdb_frame->tf_rcx); case GDB_REG_RDX: return (&kdb_frame->tf_rdx); case GDB_REG_RSI: return (&kdb_frame->tf_rsi); case GDB_REG_RDI: return (&kdb_frame->tf_rdi); case GDB_REG_R8: return (&kdb_frame->tf_r8); case GDB_REG_R9: return (&kdb_frame->tf_r9); case GDB_REG_R10: return (&kdb_frame->tf_r10); case GDB_REG_R11: return (&kdb_frame->tf_r11); case GDB_REG_RFLAGS: return (&kdb_frame->tf_rflags); case GDB_REG_CS: return (&kdb_frame->tf_cs); case GDB_REG_SS: return (&kdb_frame->tf_ss); } } switch (regnum) { case GDB_REG_RBX: return (&kdb_thrctx->pcb_rbx); case GDB_REG_RBP: return (&kdb_thrctx->pcb_rbp); case GDB_REG_RSP: return (&kdb_thrctx->pcb_rsp); case GDB_REG_R12: return (&kdb_thrctx->pcb_r12); case GDB_REG_R13: return (&kdb_thrctx->pcb_r13); case GDB_REG_R14: return (&kdb_thrctx->pcb_r14); case GDB_REG_R15: return (&kdb_thrctx->pcb_r15); case GDB_REG_PC: return (&kdb_thrctx->pcb_rip); case GDB_REG_CS: return (&_kcodesel); case GDB_REG_SS: return (&_kdatasel); } return (NULL); } void gdb_cpu_setreg(int regnum, void *val) { register_t regval = *(register_t *)val; /* * Write registers to the trapframe and pcb, if applicable. * Some scratch registers are not tracked by the pcb. */ if (kdb_thread == curthread) { switch (regnum) { case GDB_REG_RAX: kdb_frame->tf_rax = regval; break; case GDB_REG_RBX: kdb_frame->tf_rbx = regval; break; case GDB_REG_RCX: kdb_frame->tf_rcx = regval; break; case GDB_REG_RDX: kdb_frame->tf_rdx = regval; break; case GDB_REG_RSI: kdb_frame->tf_rsi = regval; break; case GDB_REG_RDI: kdb_frame->tf_rdi = regval; break; case GDB_REG_RBP: kdb_frame->tf_rbp = regval; break; case GDB_REG_RSP: kdb_frame->tf_rsp = regval; break; case GDB_REG_R8: kdb_frame->tf_r8 = regval; break; case GDB_REG_R9: kdb_frame->tf_r9 = regval; break; case GDB_REG_R10: kdb_frame->tf_r10 = regval; break; case GDB_REG_R11: kdb_frame->tf_r11 = regval; break; case GDB_REG_R12: kdb_frame->tf_r12 = regval; break; case GDB_REG_R13: kdb_frame->tf_r13 = regval; break; case GDB_REG_R14: kdb_frame->tf_r14 = regval; break; case GDB_REG_R15: kdb_frame->tf_r15 = regval; break; case GDB_REG_PC: kdb_frame->tf_rip = regval; break; } } switch (regnum) { case GDB_REG_RBX: kdb_thrctx->pcb_rbx = regval; break; case GDB_REG_RBP: kdb_thrctx->pcb_rbp = regval; break; case GDB_REG_RSP: kdb_thrctx->pcb_rsp = regval; break; case GDB_REG_R12: kdb_thrctx->pcb_r12 = regval; break; case GDB_REG_R13: kdb_thrctx->pcb_r13 = regval; break; case GDB_REG_R14: kdb_thrctx->pcb_r14 = regval; break; case GDB_REG_R15: kdb_thrctx->pcb_r15 = regval; break; case GDB_REG_PC: kdb_thrctx->pcb_rip = regval; break; } } int gdb_cpu_signal(int type, int code) { switch (type & ~T_USER) { - case 0: return (SIGFPE); /* Divide by zero. */ - case 1: return (SIGTRAP); /* Debug exception. */ - case 3: return (SIGTRAP); /* Breakpoint. */ - case 4: return (SIGSEGV); /* into instr. (overflow). */ - case 5: return (SIGURG); /* bound instruction. */ - case 6: return (SIGILL); /* Invalid opcode. */ - case 7: return (SIGFPE); /* Coprocessor not present. */ - case 8: return (SIGEMT); /* Double fault. */ - case 9: return (SIGSEGV); /* Coprocessor segment overrun. */ - case 10: return (SIGTRAP); /* Invalid TSS (also single-step). */ - case 11: return (SIGSEGV); /* Segment not present. */ - case 12: return (SIGSEGV); /* Stack exception. */ - case 13: return (SIGSEGV); /* General protection. */ - case 14: return (SIGSEGV); /* Page fault. */ - case 16: return (SIGEMT); /* Coprocessor error. */ + case T_BPTFLT: return (SIGTRAP); + case T_ARITHTRAP: return (SIGFPE); + case T_PROTFLT: return (SIGSEGV); + case T_TRCTRAP: return (SIGTRAP); + case T_PAGEFLT: return (SIGSEGV); + case T_DIVIDE: return (SIGFPE); + case T_NMI: return (SIGTRAP); + case T_FPOPFLT: return (SIGILL); + case T_TSSFLT: return (SIGSEGV); + case T_SEGNPFLT: return (SIGSEGV); + case T_STKFLT: return (SIGSEGV); + case T_XMMFLT: return (SIGFPE); } return (SIGEMT); } void * gdb_begin_write(void) { return (disable_wp() ? &gdb_begin_write : NULL); } void gdb_end_write(void *arg) { restore_wp(arg != NULL); } diff --git a/sys/i386/i386/gdb_machdep.c b/sys/i386/i386/gdb_machdep.c index d501b847fda9..fd522309dbb2 100644 --- a/sys/i386/i386/gdb_machdep.c +++ b/sys/i386/i386/gdb_machdep.c @@ -1,119 +1,116 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2004 Marcel Moolenaar * 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 AUTHORS ``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 AUTHORS 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 void * gdb_cpu_getreg(int regnum, size_t *regsz) { static uint32_t _kcodesel = GSEL(GCODE_SEL, SEL_KPL); static uint32_t _kdatasel = GSEL(GDATA_SEL, SEL_KPL); static uint32_t _kprivsel = GSEL(GPRIV_SEL, SEL_KPL); *regsz = gdb_cpu_regsz(regnum); if (kdb_thread == curthread) { switch (regnum) { case 0: return (&kdb_frame->tf_eax); case 1: return (&kdb_frame->tf_ecx); case 2: return (&kdb_frame->tf_edx); case 9: return (&kdb_frame->tf_eflags); case 10: return (&kdb_frame->tf_cs); case 12: return (&kdb_frame->tf_ds); case 13: return (&kdb_frame->tf_es); case 14: return (&kdb_frame->tf_fs); } } switch (regnum) { case 3: return (&kdb_thrctx->pcb_ebx); case 4: return (&kdb_thrctx->pcb_esp); case 5: return (&kdb_thrctx->pcb_ebp); case 6: return (&kdb_thrctx->pcb_esi); case 7: return (&kdb_thrctx->pcb_edi); case 8: return (&kdb_thrctx->pcb_eip); case 10: return (&_kcodesel); case 11: return (&_kdatasel); case 12: return (&_kdatasel); case 13: return (&_kdatasel); case 14: return (&_kprivsel); case 15: return (&kdb_thrctx->pcb_gs); } return (NULL); } void gdb_cpu_setreg(int regnum, void *val) { switch (regnum) { case GDB_REG_PC: kdb_thrctx->pcb_eip = *(register_t *)val; if (kdb_thread == curthread) kdb_frame->tf_eip = *(register_t *)val; } } int gdb_cpu_signal(int type, int code) { switch (type & ~T_USER) { - case 0: return (SIGFPE); /* Divide by zero. */ - case 1: return (SIGTRAP); /* Debug exception. */ - case 3: return (SIGTRAP); /* Breakpoint. */ - case 4: return (SIGURG); /* into instr. (overflow). */ - case 5: return (SIGURG); /* bound instruction. */ - case 6: return (SIGILL); /* Invalid opcode. */ - case 7: return (SIGFPE); /* Coprocessor not present. */ - case 8: return (SIGEMT); /* Double fault. */ - case 9: return (SIGSEGV); /* Coprocessor segment overrun. */ - case 10: return (SIGTRAP); /* Invalid TSS (also single-step). */ - case 11: return (SIGSEGV); /* Segment not present. */ - case 12: return (SIGSEGV); /* Stack exception. */ - case 13: return (SIGSEGV); /* General protection. */ - case 14: return (SIGSEGV); /* Page fault. */ - case 16: return (SIGEMT); /* Coprocessor error. */ + case T_BPTFLT: return (SIGTRAP); + case T_ARITHTRAP: return (SIGFPE); + case T_PROTFLT: return (SIGSEGV); + case T_TRCTRAP: return (SIGTRAP); + case T_PAGEFLT: return (SIGSEGV); + case T_DIVIDE: return (SIGFPE); + case T_NMI: return (SIGTRAP); + case T_FPOPFLT: return (SIGILL); + case T_TSSFLT: return (SIGSEGV); + case T_SEGNPFLT: return (SIGSEGV); + case T_STKFLT: return (SIGSEGV); + case T_XMMFLT: return (SIGFPE); } return (SIGEMT); }