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runtime: print fault addr in fatalsignal

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Fixes #60894.

Change-Id: I2e97c9ed527395303548bebe68ca7764e43132d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/504635
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Michael Pratt 2023-06-20 14:22:35 -04:00
parent 01987d3117
commit c4af8abae1
1 changed files with 5 additions and 1 deletions
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6
src/runtime/signal_unix.go
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@ -788,7 +788,11 @@ func fatalsignal(sig uint32, c *sigctxt, gp *g, mp *m) *g {
exit(2)
}
print("PC=", hex(c.sigpc()), " m=", mp.id, " sigcode=", c.sigcode(), "\n")
print("PC=", hex(c.sigpc()), " m=", mp.id, " sigcode=", c.sigcode())
if sig == _SIGSEGV || sig == _SIGBUS {
print(" addr=", hex(c.fault()))
}
print("\n")
if mp.incgo && gp == mp.g0 && mp.curg != nil {
print("signal arrived during cgo execution\n")
// Switch to curg so that we get a traceback of the Go code