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* exceptions.cc (signal_exit): Only dump core when it's a "kernel" signal.

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Only use RtlCaptureContext on x86_64.  It doesn't seem to do what's expected on
x86.
This commit is contained in:
Christopher Faylor 2013-07-19 23:04:32 +00:00
parent bbdd6c47c9
commit 3a4dab46c3
2 changed files with 10 additions and 2 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2013-07-19 Christopher Faylor <me.cygwin2013@cgf.cx>
* exceptions.cc (signal_exit): Only dump core when it's a "kernel"
signal. Only use RtlCaptureContext on x86_64. It doesn't seem to do
what's expected on x86.
2013-07-19 Christopher Faylor <me.cygwin2013@cgf.cx> 2013-07-19 Christopher Faylor <me.cygwin2013@cgf.cx>
* spawn.cc (child_info_spawn::worker): Reinstate using temp buffer for * spawn.cc (child_info_spawn::worker): Reinstate using temp buffer for

4
winsup/cygwin/exceptions.cc
View File

@ -1215,6 +1215,7 @@ signal_exit (int sig, siginfo_t *si)
case SIGTRAP: case SIGTRAP:
case SIGXCPU: case SIGXCPU:
case SIGXFSZ: case SIGXFSZ:
if (si->si_code == SI_KERNEL)
sig |= 0x80; /* Flag that we've "dumped core" */ sig |= 0x80; /* Flag that we've "dumped core" */
if (try_to_debug ()) if (try_to_debug ())
break; break;
@ -1224,10 +1225,11 @@ signal_exit (int sig, siginfo_t *si)
{ {
CONTEXT c; CONTEXT c;
c.ContextFlags = CONTEXT_FULL; c.ContextFlags = CONTEXT_FULL;
RtlCaptureContext (&c);
#ifdef __x86_64__ #ifdef __x86_64__
RtlCaptureContext (&c);
cygwin_exception exc ((PUINT_PTR) _my_tls.thread_context.rbp, &c); cygwin_exception exc ((PUINT_PTR) _my_tls.thread_context.rbp, &c);
#else #else
GetThreadContext (GetCurrentThread (), &c);
cygwin_exception exc ((PUINT_PTR) _my_tls.thread_context.ebp, &c); cygwin_exception exc ((PUINT_PTR) _my_tls.thread_context.ebp, &c);
#endif #endif
exc.dumpstack (); exc.dumpstack ();