runtime: print faulting instruction on a SIGFPE
Just like SIGILL, it might be useful to see what the instruction
that generated the SIGFPE is.
Update #39816
Change-Id: I8b2ff692998f0b770289339537dceab96b09d1ee
Reviewed-on: https://go-review.googlesource.com/c/go/+/239999
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/src/runtime/signal_unix.go b/src/runtime/signal_unix.go
index dd6d79f..6a11c91 100644
--- a/src/runtime/signal_unix.go
+++ b/src/runtime/signal_unix.go
@@ -616,7 +616,7 @@
print("signal arrived during cgo execution\n")
gp = _g_.m.lockedg.ptr()
}
- if sig == _SIGILL {
+ if sig == _SIGILL || sig == _SIGFPE {
// It would be nice to know how long the instruction is.
// Unfortunately, that's complicated to do in general (mostly for x86
// and s930x, but other archs have non-standard instruction lengths also).
