diff options
Diffstat (limited to 'src/runtime/os_plan9_amd64.c')
| -rw-r--r-- | src/runtime/os_plan9_amd64.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/runtime/os_plan9_amd64.c b/src/runtime/os_plan9_amd64.c deleted file mode 100644 index a9dc0eb96..000000000 --- a/src/runtime/os_plan9_amd64.c +++ /dev/null @@ -1,158 +0,0 @@ -// Copyright 2010 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_GOOS_GOARCH.h" -#include "os_GOOS.h" -#include "signals_GOOS.h" - -void -runtime·dumpregs(Ureg *u) -{ - runtime·printf("ax %X\n", u->ax); - runtime·printf("bx %X\n", u->bx); - runtime·printf("cx %X\n", u->cx); - runtime·printf("dx %X\n", u->dx); - runtime·printf("di %X\n", u->di); - runtime·printf("si %X\n", u->si); - runtime·printf("bp %X\n", u->bp); - runtime·printf("sp %X\n", u->sp); - runtime·printf("r8 %X\n", u->r8); - runtime·printf("r9 %X\n", u->r9); - runtime·printf("r10 %X\n", u->r10); - runtime·printf("r11 %X\n", u->r11); - runtime·printf("r12 %X\n", u->r12); - runtime·printf("r13 %X\n", u->r13); - runtime·printf("r14 %X\n", u->r14); - runtime·printf("r15 %X\n", u->r15); - runtime·printf("ip %X\n", u->ip); - runtime·printf("flags %X\n", u->flags); - runtime·printf("cs %X\n", (uint64)u->cs); - runtime·printf("fs %X\n", (uint64)u->fs); - runtime·printf("gs %X\n", (uint64)u->gs); -} - -int32 -runtime·sighandler(void *v, int8 *note, G *gp) -{ - uintptr *sp; - SigTab *t; - bool crash; - Ureg *ureg; - intgo len, n; - int32 sig, flags; - - ureg = (Ureg*)v; - - // The kernel will never pass us a nil note or ureg so we probably - // made a mistake somewhere in runtime·sigtramp. - if(ureg == nil || note == nil) { - runtime·printf("sighandler: ureg %p note %p\n", ureg, note); - goto Throw; - } - - // Check that the note is no more than ERRMAX bytes (including - // the trailing NUL). We should never receive a longer note. - len = runtime·findnull((byte*)note); - if(len > ERRMAX-1) { - runtime·printf("sighandler: note is longer than ERRMAX\n"); - goto Throw; - } - - // See if the note matches one of the patterns in runtime·sigtab. - // Notes that do not match any pattern can be handled at a higher - // level by the program but will otherwise be ignored. - flags = SigNotify; - for(sig = 0; sig < nelem(runtime·sigtab); sig++) { - t = &runtime·sigtab[sig]; - n = runtime·findnull((byte*)t->name); - if(len < n) - continue; - if(runtime·strncmp((byte*)note, (byte*)t->name, n) == 0) { - flags = t->flags; - break; - } - } - - if(flags & SigGoExit) - runtime·exits(note+9); // Strip "go: exit " prefix. - - if(flags & SigPanic) { - // Copy the error string from sigtramp's stack into m->notesig so - // we can reliably access it from the panic routines. - runtime·memmove(g->m->notesig, note, len+1); - - gp->sig = sig; - gp->sigpc = ureg->ip; - - // Only push runtime·sigpanic if PC != 0. - // - // If PC == 0, probably panicked because of a call to a nil func. - // Not pushing that onto SP will make the trace look like a call - // to runtime·sigpanic instead. (Otherwise the trace will end at - // runtime·sigpanic and we won't get to see who faulted). - if(ureg->ip != 0) { - sp = (uintptr*)ureg->sp; - *--sp = ureg->ip; - ureg->sp = (uint64)sp; - } - ureg->ip = (uintptr)runtime·sigpanic; - return NCONT; - } - - if(flags & SigNotify) { - // TODO(ality): See if os/signal wants it. - //if(runtime·sigsend(...)) - // return NCONT; - } - if(flags & SigKill) - goto Exit; - if(!(flags & SigThrow)) - return NCONT; - -Throw: - g->m->throwing = 1; - g->m->caughtsig = gp; - runtime·startpanic(); - - runtime·printf("%s\n", note); - runtime·printf("PC=%X\n", ureg->ip); - runtime·printf("\n"); - - if(runtime·gotraceback(&crash)) { - runtime·goroutineheader(gp); - runtime·tracebacktrap(ureg->ip, ureg->sp, 0, gp); - runtime·tracebackothers(gp); - runtime·printf("\n"); - runtime·dumpregs(ureg); - } - - if(crash) - runtime·crash(); - -Exit: - runtime·goexitsall(note); - runtime·exits(note); - return NDFLT; // not reached -} - -void -runtime·sigenable(uint32 sig) -{ - USED(sig); -} - -void -runtime·sigdisable(uint32 sig) -{ - USED(sig); -} - -void -runtime·resetcpuprofiler(int32 hz) -{ - // TODO: Enable profiling interrupts. - - g->m->profilehz = hz; -} |