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Change-Id: I381c03d957a0dccae5f655f02e92760e5c0e9629
Reviewed-on: https://go-review.googlesource.com/14929
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
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Declare a function's arguments as having already been
spilled so their use just requires a restore.
Allow spill locations to be portions of larger objects the stack.
Required to load portions of compound input arguments.
Rename the memory input to InputMem. Use Arg for the
pre-spilled argument values.
Change-Id: I8fe2a03ffbba1022d98bfae2052b376b96d32dda
Reviewed-on: https://go-review.googlesource.com/16536
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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Issue 11214 reports problems with older versions of gdb. It does work
with gdb 7.9 on my Ubuntu Trusty system, so take that as the minimum
required version.
Fixes #11214.
Change-Id: I61b732895506575be7af595f81fc1bcf696f58c2
Reviewed-on: https://go-review.googlesource.com/12626
Reviewed-by: Austin Clements <austin@google.com>
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When GOROOT_FINAL is set when running all.bash, the tests are run
before the files are copied to GOROOT_FINAL. The tests are run with
GOROOT set, so most work fine. This fixes two cases that do not.
In cmd/go/go_test.go we were explicitly removing GOROOT from the
environment, causing tests that did not themselves explicitly set
GOROOT to fail. There was no need to explicitly remove GOROOT, so
don't do it. If people choose to run "go test cmd/go" with a bad
GOROOT, that is their own lookout.
In the runtime GDB test, the linker has told gdb to find the support
script in GOROOT_FINAL, which will fail. Check for that case, and
skip the test when we see it.
Fixes #11652.
Change-Id: I4d3a32311e3973c30fd8a79551aaeab6789d0451
Reviewed-on: https://go-review.googlesource.com/12021
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Most runtime tests that invoke the compiler to build a sub-test binary
do so with a special environment constructed by testEnv that strips
out environment variables that should apply to the test but not to the
build.
Fix TestGdbPython to use this test environment when invoking go build,
like other tests do.
Change-Id: Iafdf89d4765c587cbebc427a5d61cb8a7e71b326
Reviewed-on: https://go-review.googlesource.com/10455
Reviewed-by: Russ Cox <rsc@golang.org>
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With this patch, gdb seems to be able to corretly backtrace Go
process on at least linux/{arm,arm64,ppc64}.
Change-Id: Ic40a2a70e71a19c4a92e4655710f38a807b67e9a
Reviewed-on: https://go-review.googlesource.com/9822
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Gdb is not able to backtrace our non-standard stack frames on RISC
architectures without frame pointer.
Change-Id: Id62a566ce2d743602ded2da22ff77b9ae34bc5ae
Signed-off-by: Shenghou Ma <minux@golang.org>
Reviewed-on: https://go-review.googlesource.com/9456
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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A similar fix was applied in 545686857bc4c2e7a5306d97e5ef48f631d277bc
but another instance of 'pc' was missed.
Also adds a test for the goroutine gdb command.
It currently uses goroutine 2 for the test, since goroutine 1 has
its stack pointer set to 0 for some reason.
Change-Id: I53ca22be6952f03a862edbdebd9b5c292e0853ae
Reviewed-on: https://go-review.googlesource.com/8729
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Being able to printer pointers to strings means one will able to output
the result of things like the flag library and other components that use
string pointers.
While here, adjusted the tests for gdb to test original string pretty
printing as well as pointers to them. It was doing it via the map before
but for completeness this ensures it's tested as a unit.
Change-Id: I4926547ae4fa6c85ef74301e7d96d49ba4a7b0c6
Reviewed-on: https://go-review.googlesource.com/8217
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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issue #10017: TestGdbPython 'print mapvar' is reported to fail on ppc64.
issue #10002: TestGdbPython 'print mapvar' is reported to fail on arm hardfloat.
The testcase now uses plain line number in main. Unwinding issues are
unrelated to the GDB map prettyprinter feature.
Remove arch-specific t.Skip()s from those two issues.
Fixes #10017
Fixes #10002
Change-Id: I9d50ffe2f3eb7bf65dd17c8c76a2677571de68ba
Reviewed-on: https://go-review.googlesource.com/6267
Reviewed-by: Minux Ma <minux@golang.org>
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(issue #10017)
Change-Id: Ia1267dfdb4474247926a998e32d9c6520015757d
Reviewed-on: https://go-review.googlesource.com/6130
Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
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Updates #10002
The gdb test added in 1c82e236f5ee is failing on most arm systems.
Temporarily disable this test so that we can return to a working arm build.
Change-Id: Iff96ea8d5a99e1ceacf4979e864ff196e5503535
Reviewed-on: https://go-review.googlesource.com/5902
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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(gdb) p x
Python Exception <class 'gdb.error'> There is no member named b.:
$2 = map[string]string
->
(gdb) p x
$1 = map[string]string = {["shane"] = "hansen"}
Change-Id: I874d02a029f2ac9afc5ab666afb65760ec2c3177
Reviewed-on: https://go-review.googlesource.com/5522
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Fixes #9927
Change-Id: I2114cc21f7a4772e3d42bcad9642a8a545cd8e16
Reviewed-on: https://go-review.googlesource.com/5285
Reviewed-by: Minux Ma <minux@golang.org>
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Apparently when ARM stops at a GDB breakpoint, it appears to be in
syscall.Syscall. The "info goroutines" test expected it to be in a
runtime function. Since this isn't fundamental to the test, simply
tweak the test's regexp to make sure "info goroutines" prints some
running goroutine with an active M, but don't require it to be in any
particular function.
Change-Id: Iba2618b46d3dc49cef62ffb72484b83ea7b0317d
Reviewed-on: https://go-review.googlesource.com/5060
Reviewed-by: Dave Cheney <dave@cheney.net>
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"info goroutines" is failing because it hasn't kept up with changes in
the 1.5 runtime. This fixes three issues preventing "info goroutines"
from working. allg is no longer a linked list, so switch to using the
allgs slice. The g struct's 'status' field is now called
'atomicstatus', so rename uses of 'status'. Finally, this was trying
to parse str(pc) as an int, but str(pc) can return symbolic
information after the raw hex value; fix this by stripping everything
after the first space.
This also adds a test for "info goroutines" to runtime-gdb_test, which
was previously quite skeletal.
Change-Id: I8ad83ee8640891cdd88ecd28dad31ed9b5833b7a
Reviewed-on: https://go-review.googlesource.com/4935
Reviewed-by: Minux Ma <minux@golang.org>
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It turns out -iex argument is not supported by all gdb versions,
but as we need to add the auto-load safe path before loading the
inferior, test -iex support first and skip the test if it's not
available.
We should still update our builders though.
Change-Id: I355697de51baf12162ba6cb82f389dad93f93dc5
Reviewed-on: https://go-review.googlesource.com/4070
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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On some systems, gdb refuses to load Python plugin from arbitrary
paths, so we have to add $GOROOT/src/runtime to auto-load-safe-path
in the gdb script test.
Change-Id: Icc44baab8d04a65bd21ceac2ab8ddb13c8d083e8
Reviewed-on: https://go-review.googlesource.com/2905
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
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runtime.rtype was a copy of reflect.rtype - update script to use that directly.
Introduces a basic test which will skip on systems without appropriate GDB.
Fixes #9326
Change-Id: I6ec74e947bd2e1295492ca34b3a8c1b49315a8cb
Reviewed-on: https://go-review.googlesource.com/2821
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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