diff options
Diffstat (limited to 'src/pkg/runtime/linux/arm/signal.c')
| -rw-r--r-- | src/pkg/runtime/linux/arm/signal.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/pkg/runtime/linux/arm/signal.c b/src/pkg/runtime/linux/arm/signal.c index 6cc4ac9be..4d315cc80 100644 --- a/src/pkg/runtime/linux/arm/signal.c +++ b/src/pkg/runtime/linux/arm/signal.c @@ -70,7 +70,11 @@ sighandler(int32 sig, Siginfo *info, void *context) // If this is a leaf function, we do smash LR, // but we're not going back there anyway. - r->arm_lr = r->arm_pc; + // Don't bother smashing if r->arm_pc is 0, + // which is probably a call to a nil func: the + // old link register is more useful in the stack trace. + if(r->arm_pc != 0) + r->arm_lr = r->arm_pc; r->arm_pc = (uintptr)sigpanic; return; } |