2009-03-24 14:17:10 -06:00
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "runtime.h"
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2011-12-16 13:33:58 -07:00
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#include "defs_GOOS_GOARCH.h"
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#include "os_GOOS.h"
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#include "signals_GOOS.h"
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2009-03-24 14:17:10 -06:00
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void
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2011-11-10 17:08:28 -07:00
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runtime·dumpregs(Regs32 *r)
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2009-03-24 14:17:10 -06:00
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{
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·printf("eax %x\n", r->eax);
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runtime·printf("ebx %x\n", r->ebx);
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runtime·printf("ecx %x\n", r->ecx);
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runtime·printf("edx %x\n", r->edx);
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runtime·printf("edi %x\n", r->edi);
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runtime·printf("esi %x\n", r->esi);
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runtime·printf("ebp %x\n", r->ebp);
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runtime·printf("esp %x\n", r->esp);
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runtime·printf("eip %x\n", r->eip);
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runtime·printf("eflags %x\n", r->eflags);
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runtime·printf("cs %x\n", r->cs);
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runtime·printf("fs %x\n", r->fs);
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runtime·printf("gs %x\n", r->gs);
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2009-03-24 14:17:10 -06:00
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}
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2009-12-15 19:21:29 -07:00
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String
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·signame(int32 sig)
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2009-12-15 19:21:29 -07:00
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{
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if(sig < 0 || sig >= NSIG)
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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return runtime·emptystring;
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return runtime·gostringnocopy((byte*)runtime·sigtab[sig].name);
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2009-12-15 19:21:29 -07:00
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}
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2009-03-24 14:17:10 -06:00
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void
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2011-02-23 12:47:42 -07:00
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runtime·sighandler(int32 sig, Siginfo *info, void *context, G *gp)
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2009-03-24 14:17:10 -06:00
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{
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2009-03-24 14:51:48 -06:00
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Ucontext *uc;
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2011-11-10 17:08:28 -07:00
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Mcontext32 *mc;
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Regs32 *r;
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2010-04-08 19:15:30 -06:00
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uintptr *sp;
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byte *pc;
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uc = context;
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mc = uc->uc_mcontext;
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r = &mc->ss;
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2011-03-23 09:43:37 -06:00
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if(sig == SIGPROF) {
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runtime·sigprof((uint8*)r->eip, (uint8*)r->esp, nil, gp);
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return;
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}
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2011-02-23 12:47:42 -07:00
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if(gp != nil && (runtime·sigtab[sig].flags & SigPanic)) {
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2010-04-08 19:15:30 -06:00
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// Work around Leopard bug that doesn't set FPE_INTDIV.
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// Look at instruction to see if it is a divide.
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// Not necessary in Snow Leopard (si_code will be != 0).
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if(sig == SIGFPE && info->si_code == 0) {
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pc = (byte*)r->eip;
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2010-06-14 19:07:17 -06:00
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if(pc[0] == 0x66) // 16-bit instruction prefix
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pc++;
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if(pc[0] == 0xF6 || pc[0] == 0xF7)
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2010-04-08 19:15:30 -06:00
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info->si_code = FPE_INTDIV;
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}
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// Make it look like a call to the signal func.
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// Have to pass arguments out of band since
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// augmenting the stack frame would break
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// the unwinding code.
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gp->sig = sig;
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gp->sigcode0 = info->si_code;
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gp->sigcode1 = (uintptr)info->si_addr;
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2011-01-18 12:15:11 -07:00
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gp->sigpc = r->eip;
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2010-04-08 19:15:30 -06:00
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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// Only push runtime·sigpanic if r->eip != 0.
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2010-04-13 23:31:47 -06:00
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// If r->eip == 0, probably panicked because of a
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// call to a nil func. Not pushing that onto sp will
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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// make the trace look like a call to runtime·sigpanic instead.
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// (Otherwise the trace will end at runtime·sigpanic and we
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2010-04-13 23:31:47 -06:00
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// won't get to see who faulted.)
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if(r->eip != 0) {
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sp = (uintptr*)r->esp;
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*--sp = r->eip;
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r->esp = (uintptr)sp;
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}
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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r->eip = (uintptr)runtime·sigpanic;
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2010-04-08 19:15:30 -06:00
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return;
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}
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2009-03-24 14:51:48 -06:00
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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if(runtime·sigtab[sig].flags & SigQueue) {
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if(runtime·sigsend(sig) || (runtime·sigtab[sig].flags & SigIgnore))
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2009-12-16 21:20:50 -07:00
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return;
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·exit(2); // SIGINT, SIGTERM, etc
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2009-12-15 19:21:29 -07:00
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}
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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if(runtime·panicking) // traceback already printed
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runtime·exit(2);
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runtime·panicking = 1;
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2009-03-24 14:17:10 -06:00
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if(sig < 0 || sig >= NSIG){
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·printf("Signal %d\n", sig);
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2009-03-24 14:17:10 -06:00
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}else{
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·printf("%s\n", runtime·sigtab[sig].name);
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2009-03-24 14:17:10 -06:00
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}
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·printf("pc: %x\n", r->eip);
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runtime·printf("\n");
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2009-03-24 14:17:10 -06:00
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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if(runtime·gotraceback()){
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2011-02-23 12:47:42 -07:00
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runtime·traceback((void*)r->eip, (void*)r->esp, 0, gp);
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runtime·tracebackothers(gp);
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·dumpregs(r);
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2009-03-24 14:17:10 -06:00
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}
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|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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runtime·exit(2);
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2009-03-24 14:17:10 -06:00
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}
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void
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
runtime·sigignore(int32, Siginfo*, void*)
|
2009-03-24 14:17:10 -06:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
runtime·signalstack(byte *p, int32 n)
|
2009-03-24 14:17:10 -06:00
|
|
|
{
|
2009-03-24 14:51:48 -06:00
|
|
|
StackT st;
|
2009-03-24 14:17:10 -06:00
|
|
|
|
2009-03-24 14:51:48 -06:00
|
|
|
st.ss_sp = p;
|
|
|
|
st.ss_size = n;
|
|
|
|
st.ss_flags = 0;
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
runtime·sigaltstack(&st, nil);
|
2009-03-24 14:17:10 -06:00
|
|
|
}
|
|
|
|
|
2011-03-23 09:43:37 -06:00
|
|
|
static void
|
|
|
|
sigaction(int32 i, void (*fn)(int32, Siginfo*, void*, G*), bool restart)
|
|
|
|
{
|
|
|
|
Sigaction sa;
|
|
|
|
|
|
|
|
runtime·memclr((byte*)&sa, sizeof sa);
|
|
|
|
sa.sa_flags = SA_SIGINFO|SA_ONSTACK;
|
|
|
|
if(restart)
|
|
|
|
sa.sa_flags |= SA_RESTART;
|
|
|
|
sa.sa_mask = ~0U;
|
2011-11-10 17:08:28 -07:00
|
|
|
sa.sa_tramp = (void*)runtime·sigtramp; // runtime·sigtramp's job is to call into real handler
|
2011-12-21 05:23:03 -07:00
|
|
|
*(uintptr*)sa.__sigaction_u = (uintptr)fn;
|
2011-03-23 09:43:37 -06:00
|
|
|
runtime·sigaction(i, &sa, nil);
|
|
|
|
}
|
|
|
|
|
2009-03-24 14:17:10 -06:00
|
|
|
void
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
runtime·initsig(int32 queue)
|
2009-03-24 14:17:10 -06:00
|
|
|
{
|
|
|
|
int32 i;
|
2011-03-23 09:43:37 -06:00
|
|
|
void *fn;
|
2009-03-24 14:17:10 -06:00
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
runtime·siginit();
|
2009-12-15 19:21:29 -07:00
|
|
|
|
2009-03-24 14:17:10 -06:00
|
|
|
for(i = 0; i<NSIG; i++) {
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
if(runtime·sigtab[i].flags) {
|
|
|
|
if((runtime·sigtab[i].flags & SigQueue) != queue)
|
2010-06-28 18:14:17 -06:00
|
|
|
continue;
|
2011-03-23 09:43:37 -06:00
|
|
|
if(runtime·sigtab[i].flags & (SigCatch | SigQueue))
|
|
|
|
fn = runtime·sighandler;
|
2009-03-24 14:17:10 -06:00
|
|
|
else
|
2011-03-23 09:43:37 -06:00
|
|
|
fn = runtime·sigignore;
|
|
|
|
sigaction(i, fn, (runtime·sigtab[i].flags & SigRestart) != 0);
|
2009-03-24 14:17:10 -06:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2011-03-23 09:43:37 -06:00
|
|
|
|
|
|
|
void
|
|
|
|
runtime·resetcpuprofiler(int32 hz)
|
|
|
|
{
|
|
|
|
Itimerval it;
|
|
|
|
|
|
|
|
runtime·memclr((byte*)&it, sizeof it);
|
|
|
|
if(hz == 0) {
|
|
|
|
runtime·setitimer(ITIMER_PROF, &it, nil);
|
|
|
|
sigaction(SIGPROF, SIG_IGN, true);
|
|
|
|
} else {
|
|
|
|
sigaction(SIGPROF, runtime·sighandler, true);
|
|
|
|
it.it_interval.tv_sec = 0;
|
|
|
|
it.it_interval.tv_usec = 1000000 / hz;
|
|
|
|
it.it_value = it.it_interval;
|
|
|
|
runtime·setitimer(ITIMER_PROF, &it, nil);
|
|
|
|
}
|
|
|
|
m->profilehz = hz;
|
|
|
|
}
|
2011-04-25 14:58:00 -06:00
|
|
|
|
|
|
|
void
|
|
|
|
os·sigpipe(void)
|
|
|
|
{
|
|
|
|
sigaction(SIGPIPE, SIG_DFL, false);
|
|
|
|
runtime·raisesigpipe();
|
|
|
|
}
|