diff options
Diffstat (limited to 'src/pkg/runtime/freebsd/thread.c')
| -rw-r--r-- | src/pkg/runtime/freebsd/thread.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/pkg/runtime/freebsd/thread.c b/src/pkg/runtime/freebsd/thread.c index 19c14c5ab..9ee21c592 100644 --- a/src/pkg/runtime/freebsd/thread.c +++ b/src/pkg/runtime/freebsd/thread.c @@ -6,6 +6,8 @@ #include "signals.h" #include "os.h" +extern SigTab sigtab[]; + // FreeBSD's umtx_op syscall is effectively the same as Linux's futex, and // thus the code is largely similar. See linux/thread.c for comments. @@ -169,3 +171,27 @@ minit(void) m->gsignal = malg(32*1024); signalstack(m->gsignal->stackguard, 32*1024); } + +void +sigpanic(void) +{ + switch(g->sig) { + case SIGBUS: + if(g->sigcode0 == BUS_ADRERR && g->sigcode1 < 0x1000) + panicstring("invalid memory address or nil pointer dereference"); + break; + case SIGSEGV: + if((g->sigcode0 == 0 || g->sigcode0 == SEGV_MAPERR) && g->sigcode1 < 0x1000) + panicstring("invalid memory address or nil pointer dereference"); + break; + case SIGFPE: + switch(g->sigcode0) { + case FPE_INTDIV: + panicstring("integer divide by zero"); + case FPE_INTOVF: + panicstring("integer overflow"); + } + panicstring("floating point error"); + } + panicstring(sigtab[g->sig].name); +} |