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Change-Id: Ib9a40d5596f5735a00483e2d2db965402f05671b
Reviewed-on: https://go-review.googlesource.com/c/go/+/169120
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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(*sigctxt).fault() currently returns either uintptr, uint32, or uint64
depending on the platform. Make them all return uintptr.
For #10958 (but a nice change on its own).
Change-Id: I7813e779d0edcba112dd47fda776f4ce6e50e227
Reviewed-on: https://go-review.googlesource.com/68015
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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If we get a SIGPROF on a non-Go thread, and the program has not called
runtime.SetCgoTraceback so we have no way to collect a stack trace, then
record a profile that is just the PC where the signal occurred. That
will at least point the user to the right area.
Retrieving the PC from the sigctxt in a signal handler on a non-G thread
required marking a number of trivial sigctxt methods as nosplit, and,
for extra safety, nowritebarrierrec.
The test shows that the existing test CgoPprofThread test does not test
the stack trace, just the profile signal. Leaving that for later.
Change-Id: I8f8f3ff09ac099fc9d9df94b5a9d210ffc20c4ab
Reviewed-on: https://go-review.googlesource.com/30252
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
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This is a subset of https://golang.org/cl/20022 with only the copyright
header lines, so the next CL will be smaller and more reviewable.
Go policy has been single space after periods in comments for some time.
The copyright header template at:
https://golang.org/doc/contribute.html#copyright
also uses a single space.
Make them all consistent.
Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0
Reviewed-on: https://go-review.googlesource.com/20111
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Fixes #13916.
Change-Id: If2cad5473a749460909519ac20aca19dea8a2e7a
Reviewed-on: https://go-review.googlesource.com/18671
Reviewed-by: David Crawshaw <crawshaw@golang.org>
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OS X unconditionally sets si_code = TRAP_BRKPT when sending SIGTRAP,
even if it was generated by kill -TRAP and not a breakpoint.
Correct the si_code by looking to see if the PC is after a breakpoint.
For #12906.
Change-Id: I998c2499f7f12b338e607282a325b045f1f4f690
Reviewed-on: https://go-review.googlesource.com/18347
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Change-Id: I3b3f80791a1db4c2b7318f81a115972cd2237f03
Signed-off-by: Shenghou Ma <minux@golang.org>
Reviewed-on: https://go-review.googlesource.com/8782
Reviewed-by: David Crawshaw <crawshaw@golang.org>
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