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runtime: print runtime frames in throwsplit trace

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newstack manually prints the stack trace if we try to grow the stack
when throwsplit is set. However, the default behavior is to omit
runtime frames. Since runtime frames can be critical to understanding
this crash, this change fixes this traceback to include them.

Updates #21431.

Change-Id: I5aa43f43aa2f10a8de7d67bcec743427be3a3b5d
Reviewed-on: https://go-review.googlesource.com/79518
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Austin Clements 2017-11-22 15:29:03 -05:00
parent 09739d2850
commit 4671da0414
1 changed files with 1 additions and 0 deletions
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src/runtime/stack.go
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@ -942,6 +942,7 @@ func newstack() {
"\tmorebuf={pc:", hex(morebuf.pc), " sp:", hex(morebuf.sp), " lr:", hex(morebuf.lr), "}\n",
"\tsched={pc:", hex(gp.sched.pc), " sp:", hex(gp.sched.sp), " lr:", hex(gp.sched.lr), " ctxt:", gp.sched.ctxt, "}\n")
thisg.m.traceback = 2 // Include runtime frames
traceback(morebuf.pc, morebuf.sp, morebuf.lr, gp)
throw("runtime: stack split at bad time")
}