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sys/mips/mips/freebsd32_machdep.c
| Show First 20 Lines • Show All 62 Lines • ▼ Show 20 Lines | |||||
| #include <machine/sigframe.h> | #include <machine/sigframe.h> | ||||
| #include <machine/sysarch.h> | #include <machine/sysarch.h> | ||||
| #include <machine/tls.h> | #include <machine/tls.h> | ||||
| #include <compat/freebsd32/freebsd32_signal.h> | #include <compat/freebsd32/freebsd32_signal.h> | ||||
| #include <compat/freebsd32/freebsd32_util.h> | #include <compat/freebsd32/freebsd32_util.h> | ||||
| #include <compat/freebsd32/freebsd32_proto.h> | #include <compat/freebsd32/freebsd32_proto.h> | ||||
| static void freebsd32_exec_setregs(struct thread *, struct image_params *, | |||||
| uintptr_t); | |||||
| static int get_mcontext32(struct thread *, mcontext32_t *, int); | static int get_mcontext32(struct thread *, mcontext32_t *, int); | ||||
| static int set_mcontext32(struct thread *, mcontext32_t *); | static int set_mcontext32(struct thread *, mcontext32_t *); | ||||
| static void freebsd32_sendsig(sig_t, ksiginfo_t *, sigset_t *); | static void freebsd32_sendsig(sig_t, ksiginfo_t *, sigset_t *); | ||||
| extern const char *freebsd32_syscallnames[]; | extern const char *freebsd32_syscallnames[]; | ||||
| struct sysentvec elf32_freebsd_sysvec = { | struct sysentvec elf32_freebsd_sysvec = { | ||||
| .sv_size = SYS_MAXSYSCALL, | .sv_size = SYS_MAXSYSCALL, | ||||
| Show All 11 Lines | struct sysentvec elf32_freebsd_sysvec = { | ||||
| .sv_minsigstksz = MINSIGSTKSZ, | .sv_minsigstksz = MINSIGSTKSZ, | ||||
| .sv_minuser = VM_MIN_ADDRESS, | .sv_minuser = VM_MIN_ADDRESS, | ||||
| .sv_maxuser = ((vm_offset_t)0x80000000), | .sv_maxuser = ((vm_offset_t)0x80000000), | ||||
| .sv_usrstack = FREEBSD32_USRSTACK, | .sv_usrstack = FREEBSD32_USRSTACK, | ||||
| .sv_psstrings = FREEBSD32_PS_STRINGS, | .sv_psstrings = FREEBSD32_PS_STRINGS, | ||||
| .sv_stackprot = VM_PROT_ALL, | .sv_stackprot = VM_PROT_ALL, | ||||
| .sv_copyout_auxargs = __elfN(freebsd_copyout_auxargs), | .sv_copyout_auxargs = __elfN(freebsd_copyout_auxargs), | ||||
| .sv_copyout_strings = freebsd32_copyout_strings, | .sv_copyout_strings = freebsd32_copyout_strings, | ||||
| .sv_setregs = freebsd32_exec_setregs, | .sv_setregs = exec_setregs, | ||||
| .sv_fixlimit = NULL, | .sv_fixlimit = NULL, | ||||
| .sv_maxssiz = NULL, | .sv_maxssiz = NULL, | ||||
| .sv_flags = SV_ABI_FREEBSD | SV_ILP32, | .sv_flags = SV_ABI_FREEBSD | SV_ILP32, | ||||
| .sv_set_syscall_retval = cpu_set_syscall_retval, | .sv_set_syscall_retval = cpu_set_syscall_retval, | ||||
| .sv_fetch_syscall_args = cpu_fetch_syscall_args, | .sv_fetch_syscall_args = cpu_fetch_syscall_args, | ||||
| .sv_syscallnames = freebsd32_syscallnames, | .sv_syscallnames = freebsd32_syscallnames, | ||||
| .sv_schedtail = NULL, | .sv_schedtail = NULL, | ||||
| .sv_thread_detach = NULL, | .sv_thread_detach = NULL, | ||||
| Show All 11 Lines | static Elf32_Brandinfo freebsd_brand_info = { | ||||
| .interp_newpath = "/libexec/ld-elf32.so.1", | .interp_newpath = "/libexec/ld-elf32.so.1", | ||||
| .brand_note = &elf32_freebsd_brandnote, | .brand_note = &elf32_freebsd_brandnote, | ||||
| .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE | .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE | ||||
| }; | }; | ||||
| SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_FIRST, | SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_FIRST, | ||||
| (sysinit_cfunc_t) elf32_insert_brand_entry, | (sysinit_cfunc_t) elf32_insert_brand_entry, | ||||
| &freebsd_brand_info); | &freebsd_brand_info); | ||||
| static void | |||||
| freebsd32_exec_setregs(struct thread *td, struct image_params *imgp, | |||||
| uintptr_t stack) | |||||
| { | |||||
| exec_setregs(td, imgp, stack); | |||||
| /* | |||||
| * See comment in exec_setregs about running 32-bit binaries with 64-bit | |||||
| * registers. | |||||
| */ | |||||
| td->td_frame->sp -= 65536; | |||||
| /* | |||||
| * Clear extended address space bit for userland. | |||||
| */ | |||||
| td->td_frame->sr &= ~MIPS_SR_UX; | |||||
| td->td_md.md_tls_tcb_offset = TLS_TP_OFFSET + TLS_TCB_SIZE32; | |||||
| } | |||||
| int | int | ||||
| set_regs32(struct thread *td, struct reg32 *regs) | set_regs32(struct thread *td, struct reg32 *regs) | ||||
| { | { | ||||
| struct reg r; | struct reg r; | ||||
| unsigned i; | unsigned i; | ||||
| for (i = 0; i < NUMSAVEREGS; i++) | for (i = 0; i < NUMSAVEREGS; i++) | ||||
| ▲ Show 20 Lines • Show All 342 Lines • Show Last 20 Lines | |||||