diff options
author | Rob Pike <r@golang.org> | 2009-06-09 09:53:44 -0700 |
---|---|---|
committer | Rob Pike <r@golang.org> | 2009-06-09 09:53:44 -0700 |
commit | 7249ea4df2b4f12a4e7ed446f270cea87e4ffd34 (patch) | |
tree | 7032a11d0cac2ae4d3e90f7a189b575b5a50f848 /src/lib/runtime/linux/amd64/signal.c | |
parent | acf6ef7a82b3fe61516a1bac4563706552bdf078 (diff) | |
download | golang-7249ea4df2b4f12a4e7ed446f270cea87e4ffd34.tar.gz |
mv src/lib to src/pkg
tests: all.bash passes, gobuild still works, godoc still works.
R=rsc
OCL=30096
CL=30102
Diffstat (limited to 'src/lib/runtime/linux/amd64/signal.c')
-rw-r--r-- | src/lib/runtime/linux/amd64/signal.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/src/lib/runtime/linux/amd64/signal.c b/src/lib/runtime/linux/amd64/signal.c deleted file mode 100644 index 55215176d..000000000 --- a/src/lib/runtime/linux/amd64/signal.c +++ /dev/null @@ -1,112 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -#include "runtime.h" -#include "defs.h" -#include "signals.h" -#include "os.h" - -void -dumpregs(Sigcontext *r) -{ - printf("rax %X\n", r->rax); - printf("rbx %X\n", r->rbx); - printf("rcx %X\n", r->rcx); - printf("rdx %X\n", r->rdx); - printf("rdi %X\n", r->rdi); - printf("rsi %X\n", r->rsi); - printf("rbp %X\n", r->rbp); - printf("rsp %X\n", r->rsp); - printf("r8 %X\n", r->r8 ); - printf("r9 %X\n", r->r9 ); - printf("r10 %X\n", r->r10); - printf("r11 %X\n", r->r11); - printf("r12 %X\n", r->r12); - printf("r13 %X\n", r->r13); - printf("r14 %X\n", r->r14); - printf("r15 %X\n", r->r15); - printf("rip %X\n", r->rip); - printf("rflags %X\n", r->eflags); - printf("cs %X\n", (uint64)r->cs); - printf("fs %X\n", (uint64)r->fs); - printf("gs %X\n", (uint64)r->gs); -} - -/* - * This assembler routine takes the args from registers, puts them on the stack, - * and calls sighandler(). - */ -extern void sigtramp(void); -extern void sigignore(void); // just returns -extern void sigreturn(void); // calls sigreturn - -void -sighandler(int32 sig, Siginfo* info, void* context) -{ - Ucontext *uc; - Mcontext *mc; - Sigcontext *sc; - - if(panicking) // traceback already printed - exit(2); - panicking = 1; - - uc = context; - mc = &uc->uc_mcontext; - sc = (Sigcontext*)mc; // same layout, more conveient names - - if(sig < 0 || sig >= NSIG) - printf("Signal %d\n", sig); - else - printf("%s\n", sigtab[sig].name); - - printf("Faulting address: %p\n", *(void**)info->_sifields); - printf("PC=%X\n", sc->rip); - printf("\n"); - - if(gotraceback()){ - traceback((void*)sc->rip, (void*)sc->rsp, (void*)sc->r15); - tracebackothers((void*)sc->r15); - dumpregs(sc); - } - - breakpoint(); - exit(2); -} - -void -signalstack(byte *p, int32 n) -{ - Sigaltstack st; - - st.ss_sp = p; - st.ss_size = n; - st.ss_flags = 0; - sigaltstack(&st, nil); -} - -void -initsig(void) -{ - static Sigaction sa; - - int32 i; - sa.sa_flags = SA_ONSTACK | SA_SIGINFO | SA_RESTORER; - sa.sa_mask = 0xFFFFFFFFFFFFFFFFULL; - sa.sa_restorer = (void*)sigreturn; - for(i = 0; i<NSIG; i++) { - if(sigtab[i].flags) { - if(sigtab[i].flags & SigCatch) - sa.sa_handler = (void*)sigtramp; - else - sa.sa_handler = (void*)sigignore; - if(sigtab[i].flags & SigRestart) - sa.sa_flags |= SA_RESTART; - else - sa.sa_flags &= ~SA_RESTART; - rt_sigaction(i, &sa, nil, 8); - } - } -} - |