From 12307008e93ca5ef9dca20f0c4e78d6b9b492b6a Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Tue, 18 Jan 2011 14:15:11 -0500 Subject: runtime: print signal information during panic $ 6.out panic: runtime error: invalid memory address or nil pointer dereference [signal 11 code=0x1 addr=0x0 pc=0x1c16] runtime.panic+0xa7 /Users/rsc/g/go/src/pkg/runtime/proc.c:1089 runtime.panic(0xf6c8, 0x25c010) runtime.panicstring+0x69 /Users/rsc/g/go/src/pkg/runtime/runtime.c:88 runtime.panicstring(0x24814, 0x0) runtime.sigpanic+0x144 /Users/rsc/g/go/src/pkg/runtime/darwin/thread.c:465 runtime.sigpanic() main.f+0x16 /Users/rsc/x.go:5 main.f() main.main+0x1c /Users/rsc/x.go:9 main.main() runtime.mainstart+0xf /Users/rsc/g/go/src/pkg/runtime/amd64/asm.s:77 runtime.mainstart() runtime.goexit /Users/rsc/g/go/src/pkg/runtime/proc.c:149 runtime.goexit() R=r CC=golang-dev https://golang.org/cl/4036042 --- src/pkg/runtime/runtime.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/pkg/runtime/runtime.c') diff --git a/src/pkg/runtime/runtime.c b/src/pkg/runtime/runtime.c index 9d3efe966d..513675240f 100644 --- a/src/pkg/runtime/runtime.c +++ b/src/pkg/runtime/runtime.c @@ -30,11 +30,16 @@ runtime·dopanic(int32 unused) } runtime·panicking++; - runtime·printf("\npanic PC=%X\n", (uint64)(uintptr)&unused); + if(g->sig != 0) + runtime·printf("\n[signal %d code=%p addr=%p pc=%p]\n", + g->sig, g->sigcode0, g->sigcode1, g->sigpc); + + runtime·printf("\n"); if(runtime·gotraceback()){ runtime·traceback(runtime·getcallerpc(&unused), runtime·getcallersp(&unused), 0, g); runtime·tracebackothers(g); } + runtime·breakpoint(); // so we can grab it in a debugger runtime·exit(2); } -- cgit v1.3-5-g9baa