diff options
Diffstat (limited to 'src/runtime/signal_arm.c')
| -rw-r--r-- | src/runtime/signal_arm.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/runtime/signal_arm.c b/src/runtime/signal_arm.c deleted file mode 100644 index afad5e7d1..000000000 --- a/src/runtime/signal_arm.c +++ /dev/null @@ -1,121 +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. - -// +build darwin dragonfly freebsd linux nacl netbsd openbsd - -#include "runtime.h" -#include "defs_GOOS_GOARCH.h" -#include "os_GOOS.h" -#include "signal_GOOS_GOARCH.h" -#include "signals_GOOS.h" - -void -runtime·dumpregs(Siginfo *info, void *ctxt) -{ - USED(info); - USED(ctxt); - - runtime·printf("trap %x\n", SIG_TRAP(info, ctxt)); - runtime·printf("error %x\n", SIG_ERROR(info, ctxt)); - runtime·printf("oldmask %x\n", SIG_OLDMASK(info, ctxt)); - runtime·printf("r0 %x\n", SIG_R0(info, ctxt)); - runtime·printf("r1 %x\n", SIG_R1(info, ctxt)); - runtime·printf("r2 %x\n", SIG_R2(info, ctxt)); - runtime·printf("r3 %x\n", SIG_R3(info, ctxt)); - runtime·printf("r4 %x\n", SIG_R4(info, ctxt)); - runtime·printf("r5 %x\n", SIG_R5(info, ctxt)); - runtime·printf("r6 %x\n", SIG_R6(info, ctxt)); - runtime·printf("r7 %x\n", SIG_R7(info, ctxt)); - runtime·printf("r8 %x\n", SIG_R8(info, ctxt)); - runtime·printf("r9 %x\n", SIG_R9(info, ctxt)); - runtime·printf("r10 %x\n", SIG_R10(info, ctxt)); - runtime·printf("fp %x\n", SIG_FP(info, ctxt)); - runtime·printf("ip %x\n", SIG_IP(info, ctxt)); - runtime·printf("sp %x\n", SIG_SP(info, ctxt)); - runtime·printf("lr %x\n", SIG_LR(info, ctxt)); - runtime·printf("pc %x\n", SIG_PC(info, ctxt)); - runtime·printf("cpsr %x\n", SIG_CPSR(info, ctxt)); - runtime·printf("fault %x\n", SIG_FAULT(info, ctxt)); -} - -void -runtime·sighandler(int32 sig, Siginfo *info, void *ctxt, G *gp) -{ - SigTab *t; - bool crash; - - if(sig == SIGPROF) { - runtime·sigprof((uint8*)SIG_PC(info, ctxt), (uint8*)SIG_SP(info, ctxt), (uint8*)SIG_LR(info, ctxt), gp, g->m); - return; - } - - t = &runtime·sigtab[sig]; - if(SIG_CODE0(info, ctxt) != SI_USER && (t->flags & SigPanic)) { - // Make it look like a call to the signal func. - // Have to pass arguments out of band since - // augmenting the stack frame would break - // the unwinding code. - gp->sig = sig; - gp->sigcode0 = SIG_CODE0(info, ctxt); - gp->sigcode1 = SIG_FAULT(info, ctxt); - gp->sigpc = SIG_PC(info, ctxt); - - // We arrange lr, and pc to pretend the panicking - // function calls sigpanic directly. - // Always save LR to stack so that panics in leaf - // functions are correctly handled. This smashes - // the stack frame but we're not going back there - // anyway. - SIG_SP(info, ctxt) -= 4; - *(uint32*)SIG_SP(info, ctxt) = SIG_LR(info, ctxt); - // Don't bother saving PC if it's zero, which is - // probably a call to a nil func: the old link register - // is more useful in the stack trace. - if(gp->sigpc != 0) - SIG_LR(info, ctxt) = gp->sigpc; - // In case we are panicking from external C code - SIG_R10(info, ctxt) = (uintptr)gp; - SIG_PC(info, ctxt) = (uintptr)runtime·sigpanic; - return; - } - - if(SIG_CODE0(info, ctxt) == SI_USER || (t->flags & SigNotify)) - if(runtime·sigsend(sig)) - return; - if(t->flags & SigKill) - runtime·exit(2); - if(!(t->flags & SigThrow)) - return; - - g->m->throwing = 1; - g->m->caughtsig = gp; - if(runtime·panicking) // traceback already printed - runtime·exit(2); - runtime·panicking = 1; - - if(sig < 0 || sig >= NSIG) - runtime·printf("Signal %d\n", sig); - else - runtime·printf("%s\n", runtime·sigtab[sig].name); - - runtime·printf("PC=%x\n", SIG_PC(info, ctxt)); - if(g->m->lockedg != nil && g->m->ncgo > 0 && gp == g->m->g0) { - runtime·printf("signal arrived during cgo execution\n"); - gp = g->m->lockedg; - } - runtime·printf("\n"); - - if(runtime·gotraceback(&crash)){ - runtime·goroutineheader(gp); - runtime·tracebacktrap(SIG_PC(info, ctxt), SIG_SP(info, ctxt), SIG_LR(info, ctxt), gp); - runtime·tracebackothers(gp); - runtime·printf("\n"); - runtime·dumpregs(info, ctxt); - } - - if(crash) - runtime·crash(); - - runtime·exit(2); -} |