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Commit Graph

1487 Commits

Author SHA1 Message Date
Richard Musiol
c468ad0417 syscall/js: replace TypedArrayOf with CopyBytesToGo/CopyBytesToJS
The typed arrays returned by TypedArrayOf were backed by WebAssembly
memory. They became invalid each time we grow the WebAssembly memory.
This made them very error prone and hard to use correctly.

This change removes TypedArrayOf completely and instead introduces
CopyBytesToGo and CopyBytesToJS for copying bytes between a byte
slice and an Uint8Array. This breaking change is still allowed for
the syscall/js package.

Fixes #31980.
Fixes #31812.

Change-Id: I14c76fdd60b48dd517c1593972a56d04965cb272
Reviewed-on: https://go-review.googlesource.com/c/go/+/177537
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-05-24 09:38:37 +00:00
Russ Cox
b0e238add5 misc/cgo/test: consolidate tests into fewer cgo source files
Each different file that does import "C" must be compiled
and analyzed separately by cgo. Having fewer files import "C"
reduces the cost of building the test. This is especially important
because this test is built and run four different times (with different
settings) during all.bash.

go test -c in this directory used to take over 20 seconds on my laptop.
Now it takes under 5 seconds.

Removes 23.4r 29.0u 21.5s from all.bash.

For #26473.

Change-Id: Ie7cb7b0d9d6138ebd2eb548d0d8ea6e409ae10b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/177558
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-05-22 12:52:33 +00:00
Russ Cox
798e0b38ed misc/cgo/errors: consolidate test work
Build a single binary containing all the TestPointerChecks
instead of building many small binaries,
each with its own cgo+compile+link invocation.
This cuts 'go test -run=TestPointerChecks'
from 6.7r 35.5u 26.1s to 2.1r 2.1u 1.4s.

Move as many cgo checks as possible into fewer test files
for TestReportsTypeErrors too.
This cuts 'go test -run=TestReportsTypeErrors'
from 2.1r 6.7u 6.7s to 1.5r 2.5u 2.5s.

After this change, all.bash runs in ~4:30 on my laptop.

For #26473.

Change-Id: I3787448b03689a1f62dd810957ab6013bb75582f
Reviewed-on: https://go-review.googlesource.com/c/go/+/177599
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-05-21 18:15:05 +00:00
Ben Shi
9be2d46422 misc/android: fix a typo in README
A cross C compiler should be specified when cross building go
for android on x86 host. This CL fixes the typo in README.

Change-Id: Ideda915364d9f7f0fcd53146abc1e74506a8a8e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/177777
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
2019-05-17 06:01:17 +00:00
Russ Cox
a6a0ed3c47 misc/cgo: disable testcarchive, testplugin during -short test (including all.bash)
These tests take 20 seconds each to rebuild the entire world
in their respective modes. That's too much for short mode,
including all.bash on developer machines.

Keep doing it on builders and if someone runs 'go test' by hand
in that directory.

For #26473.

Change-Id: I3dc6955bc3aa7a20fd170efcde72a7d19b37bdbf
Reviewed-on: https://go-review.googlesource.com/c/go/+/177417
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-05-16 03:25:04 +00:00
Elias Naur
fb63ed2bab misc/android: silence adb output unless an error occurs
Fixes #31917

Change-Id: I794e457b2245d355e2df5077078c67aa09e00ff9
Reviewed-on: https://go-review.googlesource.com/c/go/+/175920
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-09 04:58:53 +00:00
Russ Cox
a88cb1d8e1 cmd/cgo: fix unexpected semicolon in rewritten line
Followup to CL 157961 and CL 158457.
Finish the list of operators and punctuation
that disable semicolon insertion at end-of-line
The reported case was "(" but "." was also missing.

Fixes #31017.

Change-Id: I0c06443f38dc8250c62e3aadd104abfa0e3be074
Reviewed-on: https://go-review.googlesource.com/c/go/+/174524
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-05-07 12:48:04 +00:00
Filippo Valsorda
53374e7e06 crypto/ed25519: promote from golang.org/x/crypto/ed25519
The crypto/tls and crypto/x509 APIs leak PublicKey and PrivateKey types,
so in order to add support for Ed25519 certificates we need the ed25519
package in the stdlib.

It's also a primitive that's reasonable to use directly in applications,
as it is a modern, safe and fast signing algorithm, for which there
aren't higher level APIs. (The nacl/sign API is limiting in that it
repeats the message.)

A few docs changes will come in a follow-up, and a CL will land on
golang.org/x/crypto/ed25519 to make it a type alias wrapper on Go 1.13+.

Updates #25355

Change-Id: I057f20cc7d1aca2b95c29ce73eb03c3b237e413f
Reviewed-on: https://go-review.googlesource.com/c/go/+/174945
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
2019-05-06 23:23:45 +00:00
Elias Naur
bd384d42c1 misc/ios: don't refer to iostest.bash
iostest.bash might not live much longer, and all.bash is much
less confusing and more explicit.

Change-Id: If42e8716bbbb02aa3f817dceaabb1aa8076aae1a
Reviewed-on: https://go-review.googlesource.com/c/go/+/175178
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-05-03 13:24:36 +00:00
Elias Naur
07f689420a misc/cgo/testcarchive: skip TestExtar on self-hosted iOS
iOS cannot (directly) run shell scripts.

Updates #31722

Change-Id: I69473e9339c50a77338d391c73b4e146bce3fa89
Reviewed-on: https://go-review.googlesource.com/c/go/+/174700
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-01 16:55:33 +00:00
Joshua M. Clulow
f686a2890b all: add new GOOS=illumos, split out of GOOS=solaris
Like GOOS=android which implies the "linux" build tag, GOOS=illumos
implies the "solaris" build tag. This lets the existing ecosystem of
packages still work on illumos, but still permits packages to start
differentiating between solaris and illumos.

Fixes #20603

Change-Id: I8f4eabf1a66060538dca15d7658c1fbc6c826622
Reviewed-on: https://go-review.googlesource.com/c/go/+/174457
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-30 16:59:13 +00:00
Richard Musiol
9308637e3c misc/wasm: fix command line arguments containing multi-byte characters
Command line arguments containing multi-byte characters were causing
go_js_wasm_exec to crash (RangeError: Source is too large), because
their byte length was not handled correctly. This change fixes the bug.

Fixes #31645.

Change-Id: I7860ebf5b12da37d9d0f43d4b6a22d326a90edaf
Reviewed-on: https://go-review.googlesource.com/c/go/+/173877
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-04-29 17:33:47 +00:00
Elias Naur
4ee85e67e1 misc/cgo/testcshared: support testing on self-hosted android
Only invoke adb for android if we're not running on android already.

Change-Id: I4eb94286a5bf09b382716a0474f3aebec40f5d74
Reviewed-on: https://go-review.googlesource.com/c/go/+/170953
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-04-16 15:10:00 +00:00
Elias Naur
00530918db misc/cgo/testcshared: use adb exec-out instead of adb shell
Adb exec-out is like adb shell except non-flaky in non-interactive
settings. Don't ask why.

Change-Id: I7ac3c72912883d80bc787c1d0fc101db6bae9c52
Reviewed-on: https://go-review.googlesource.com/c/go/+/170952
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-04-08 18:21:14 +00:00
Elias Naur
9017b6149e misc/cgo/test: skip Setgid test on Android
The setgid syscall is blocked on Android in app context.

Change-Id: I1ff25840bbc25d472ad4e29eb1b51f183a6c4392
Reviewed-on: https://go-review.googlesource.com/c/go/+/170949
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-04-08 05:56:14 +00:00
Ian Lance Taylor
2da9659158 misc/cgo/testcarchive: skip TestSignalForwardingExternal on darwin/amd64
On darwin/amd64 the runtime method sigctxt.fixsigcode changes SIGSEGV
signals so that they are never marked SI_USER. CL 169120 changed the
signal handler to call fixsigcode even when the signal is delivered to
a non-Go thread. This breaks TestSignalForwardingExternal, so skip it.

Change-Id: I6740fb5a8f4f854ca69793537a983a696da3b495
Reviewed-on: https://go-review.googlesource.com/c/go/+/170446
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-02 22:58:55 +00:00
Clément Chigot
3aacfce6cf runtime, cmd/dist, misc/cgo: enable c-archive for aix/ppc64
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>
2019-04-02 16:03:24 +00:00
Joel Sing
c90f6dd496 cmd/link: permit duplicate weak symbols
Permit weak symbols to be duplicates - most external linkers allow
this and there are various situations where they can occur (including
retpoline and retguard).

Fixes #29563

Change-Id: I355493c847fbc8f670a85a643db65a4cf8f9883d
Reviewed-on: https://go-review.googlesource.com/c/go/+/169658
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-29 17:46:01 +00:00
Clément Chigot
53c9c06811 misc/cgo: enable testso and testsovar on aix/ppc64
On AIX, shared objects must be wrapped under an archive file.

For testso, creating libcgosotest with an extern symbol isn't
AIX-friendly. By default, ld will block such behavior. Rather than
forcing ld to work as on Linux and using the run-time linking,
goCallback became a function pointer which is set by setCallback().

Updates #30565

Change-Id: I455ab32faddd41f1b0c84cc9e503788044ad49b2
Reviewed-on: https://go-review.googlesource.com/c/go/+/169020
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-27 17:21:28 +00:00
Keith Randall
2034fbab5b cmd/compile: use existing instructions instead of nops for inline marks
Instead of always inserting a nop to use as the target of an inline
mark, see if we can instead find an instruction we're issuing anyway
with the correct line number, and use that instruction. That way, we
don't need to issue a nop.

Makes cmd/go 0.3% smaller.

Update #29571

Change-Id: If6cfc93ab3352ec2c6e0878f8074a3bf0786b2f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/158021
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2019-03-25 16:49:29 +00:00
Richard Musiol
9eef964800 misc/wasm: exit with code 1 if WebAssembly.instantiate fails
go_js_wasm_exec was returning with code 0 if WebAssembly.instantiate
failed. This made failing tests show as passed.

Change-Id: Icfb2f42e9f1c3c70ca4a130a61a63cb305edff32
Reviewed-on: https://go-review.googlesource.com/c/go/+/168885
Run-TryBot: Richard Musiol <neelance@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-25 07:55:12 +00:00
Clément Chigot
08692bed1e cmd/compile, misc/cgo: fix fortran tests on aix/ppc64
Enable pattern lib.a/shared.so.X in cgo_import_dynamic as on AIX,
archive files (.a) often have shared objects (.so) inside them.

Change-Id: I21096c75eb7fbcc7064b0b832bfa8ed862142051
Reviewed-on: https://go-review.googlesource.com/c/go/+/168877
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-22 13:52:59 +00:00
Tobias Klauser
9a49b17f25 misc/cgo: gofmt testdata files
Change-Id: I64e05a1f768cb57194506021bb7fdca0ad19bf1c
Reviewed-on: https://go-review.googlesource.com/c/go/+/168461
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-22 07:21:24 +00:00
Elias Naur
7ae8e53de2 misc/ios: don't override GOCACHE on the device
The iOS exec wrapper copies the environment variables to the binary
running on the device. However, some variables such as HOME, TMPDIR and
GOCACHE refer to directories that might not be valid on the device.

The wrapper already ignores HOME and TMPDIR, but after GO111MODULE
was flipped to on for the standard library, cmd/go tests started
failing without a valid and writable GOCACHE.

It took a while to reproduce because go test does not set an explicit
GOCACHE but cmd/dist test does.

Fixes #30914

Change-Id: If186cddc5cfd7ad39a0b3eb95f9c64a7d53a27e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/168557
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-21 16:24:05 +00:00
Elias Naur
409c97c5f0 misc/android: pass on GOPROXY to device environment
Android devices don't have git available, so many go tool commands
that fetch dependencies fail. Builders already have a GOPROXY
available, so pass that along to the device environment.

Updates #30885

Change-Id: Id0d2338932f0cd7de4d95d9e0ca9b79d29336ffe
Reviewed-on: https://go-review.googlesource.com/c/go/+/168118
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-21 16:15:47 +00:00
Clément Chigot
125d187f9a cmd/dist, misc/cgo: enable tests for aix/ppc64
Some cgo tests aren't yet available on aix/ppc64.
-shared and -static don't work as expected and will be fixed latter.

Updates #30565

Change-Id: Ic59cabe685cb1cbdf89a8d1d1a1d2c4b0e8ef442
Reviewed-on: https://go-review.googlesource.com/c/go/+/164018
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-20 14:38:44 +00:00
Philipp Stephani
08751259b7 cmd/cgo: use C exact-width integer types to represent Go types
The exact-width integer types are required to use two’s complement
representation and may not have padding bits, cf. §7.20.1.1/1 in the C11
standard or https://en.cppreference.com/w/c/types/integer.  This ensures that
they have the same domain and representation as the corresponding Go types.

Fixes #29878

Change-Id: Ie8a51e91666dfd89731c7859abe47356c94ca1be
GitHub-Last-Rev: 546a2cc3f1
GitHub-Pull-Request: golang/go#29907
Reviewed-on: https://go-review.googlesource.com/c/go/+/159258
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-18 21:08:21 +00:00
Elias Naur
746f405f98 cmd/go,misc/ios: fix tests on iOS
Now that modules are always on, cmd/go tests require a valid
GOCACHE. However, on iOS where the go tool is not available, the
cmd/go test driver ends up setting GOCACHE to the empty string.
Fix it by falling back to the builtin default cache directory.

The iOS exec wrapper passes the environment variables to the app
on the device, including $HOME used for the default cache directory.
Skip $HOME to let the device specific and writable $HOME be used
instead.

Should fix cmd/go on the iOS builders that broke when GO111MODULE
defaulted to on.

Change-Id: I0939f5b8aaa1d2db95e64c99f4130eee2d0b4d4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/167938
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-17 17:00:42 +00:00
Elias Naur
6e63b15567 misc/android: copy go.mod and go.sum files
Fixes TestFindStdlib in x/tools on android.

Change-Id: I2da7c702164e23488c7f9574f636ac36f63ab421
Reviewed-on: https://go-review.googlesource.com/c/go/+/167799
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-15 17:20:47 +00:00
Richard Musiol
47e42cdadc misc/wasm: add workaround for missed timeout events
TryBot is sometimes running into deadlocks on js/wasm. We haven't been
able to reproduce them yet. This workaround is an experiment to resolve
these deadlocks by retrying a missed timeout event.

A timeout event is scheduled by Go to be woken by JavaScript after a
certain amount of time. The checkTimeouts function then checks which
notes to wake by comparing their deadline to nanotime. If this
check fails erroneously then the note may stay asleep forever, causing
a deadlock. This may or may not be the reason of the observed
deadlocks.

Updates #28975.

Change-Id: I46b9d4069307142914f0e7b3acd4e65578319f0b
Reviewed-on: https://go-review.googlesource.com/c/go/+/167119
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-14 17:09:32 +00:00
Bryan C. Mills
2989abc91e cmd/dist: add a test in misc/reboot to verify that the toolchain can self-bootstrap
Fixes #30758

Change-Id: I8e49958602de9caa47bb5710828158e51744f375
Reviewed-on: https://go-review.googlesource.com/c/go/+/167478
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-13 21:16:24 +00:00
Elias Naur
10aede26d0 misc/android: fix detection of GOROOT tests
strings.HasPrefix is not good enough to determine whether a path
is a subdirectory of another because it does not respect path
boundaries. filepath.Rel is good eonugh as long as we filter out results
that use parent directories, "..".

Hopefully fix the android emulator builders on the subrepositories.

Change-Id: I17ee7e0028c0b0b26a6c5f67629f53c9a660c6e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/167117
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-12 15:47:18 +00:00
Elias Naur
810809ebc2 misc/android: copy less from GOROOT to the device
The android emulator builders is running out of space after CL 165797
copied most of GOROOT to the device.
The pkg directory is by far the largest, so only include what seems
necessary to build the x/ repositories: pkg/android_$GOARCH and
pkg/tool/android_$GOARCH.

While here, rename the device root directory to match the exec
wrapper name and make sure the deferred cleanups actually run before
os.Exit.

Hopefully fixes the emulator builders.

Updates #23824

Change-Id: I4d1e3ab2c89fd1e5818503d323ddb87f073094da
Reviewed-on: https://go-review.googlesource.com/c/go/+/166397
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-11 21:03:01 +00:00
Bryan C. Mills
756a69c6c9 cmd: refresh cmd/vendor to match 'go mod vendor'
This change preserves the maximum versions from cmd/vendor/vendor.json
where feasible, but bumps the versions of x/sys (for CL 162987) and
x/tools (for CL 162989 and CL 160837) so that 'go test all' passes in
module mode when run from a working directory in src/cmd.

A small change to cmd/vet (not vendored) was necessary to preserve its
flag behavior given a pristine copy of x/tools; see CL 162989 for more
detail.

This change was generated by running 'go mod vendor' at CL 164622.
(Welcoooome to the fuuuuuture!)

Updates #30228
Updates #30241

Change-Id: I889590318dc857d4a6e20c3023d09a27128d8255
Reviewed-on: https://go-review.googlesource.com/c/go/+/164618
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-03-11 20:27:03 +00:00
Elias Naur
632162ccbc misc/android: enable many more tests on GOOS=android
Android tests are built on the host and run on the device. To do
that, the exec wrapper copies the test binary and testdata to the device.
To enable many more tests, make the copied environment more like the host:

- Copy all of pkg from GOROOT, not just the android pkg directory.
- Copy any parent testdata directories as well as the package's own.
- Copy *.go files from the package directory. This enables misc/cgo/stdio
and misc/cgo/life tests that were invisible before so disable them explicitly.
- Always copy the GOROOT, even for tests outside GOROOT. This is expensive
 but only done once per make.bash.
- Build the go tool for the device and put it in PATH. Set GOCACHE
to a writable directory and disable cgo.

While here, use a single directory for all the exec wrapper files and
delete that once per make.bash as well.

In total, this CL enables many tests in the subrepos that would need skips
without it, in particular the x/tools tests.

Fixes #11452
Updates #23824
Updates #11811

Change-Id: I2e50d8b57db9bc4637f25272a5360c8b2cf4e627
Reviewed-on: https://go-review.googlesource.com/c/go/+/165797
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-08 23:32:03 +00:00
alkesh26
c7f69a2897 misc: fix typos in various docs
Change-Id: Ib03d7e5686e510152042e403b00fb2d65572f393
GitHub-Last-Rev: 57aeedf077
GitHub-Pull-Request: golang/go#30156
Reviewed-on: https://go-review.googlesource.com/c/go/+/161723
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
2019-03-07 07:30:06 +00:00
Rémy Oudompheng
711ea1e716 cmd/cgo: simplify and fix handling of untyped constants
Instead of trying to guess type of constants in the AST,
which is hard, use the "var cgo%d Type = Constant"
so that typechecking is left to the Go compiler.

The previous code could still fail in some cases
for constants imported from other modules
or defined in other, non-cgo files.

Fixes #30527

Change-Id: I2120cd90e90a74b9d765eeec53f6a3d2cfc1b642
Reviewed-on: https://go-review.googlesource.com/c/go/+/164897
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-06 21:16:20 +00:00
Agniva De Sarker
0c7cdb49d8 misc/git: remove pre-commit file
All hook files are automatically set up when any git-codereview command is run.
And since the contribution guidelines point to installing git-codereview,
this file does not serve any purpose any more.

Change-Id: I165f6905ca03fd3d512c59e2654ef79e76de934c
Reviewed-on: https://go-review.googlesource.com/c/go/+/158677
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2019-03-04 18:01:17 +00:00
Richard Musiol
42b79f0823 misc/wasm: better adapt to different JavaScript environments
This change adds support for using wasm with Electron. It refactors
environment detection to a more modular approach instead of explicitly
testing for Node.js.

Fixes #29404

Change-Id: I882a9c56523744e7fd7cb2013d158df91cf91d14
Reviewed-on: https://go-review.googlesource.com/c/164665
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-03 17:55:52 +00:00
Elias Naur
3de2fb21b7 misc/android: use adb exec-out instead of adb shell to avoid buffering
According to

https://stackoverflow.com/questions/46233200/stop-buffering-of-adb-shell-output

the adb exec-out commands avoids the buffering inherent to adb shell.

Let's see if using exec-out will fix the android builder flakyness where
exitcodes or output were sometimes missing.

Updates #30512 (perhaps fixes it).

Change-Id: Ib953ef0262b20730e0d4c332058d29c5066bfeb2
Reviewed-on: https://go-review.googlesource.com/c/164661
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-02 22:21:49 +00:00
Ian Lance Taylor
7dc3d9f85f misc/cgo/testplugin: let TestMain run deferred functions
Split TestMain into two functions so that we can defer cleanups.

Updates #30500

Change-Id: I4a5c7ddb8218a8bd056c8733c3cb9feb895e77a0
Reviewed-on: https://go-review.googlesource.com/c/164859
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
2019-03-01 21:33:27 +00:00
Ian Lance Taylor
4aff88ded2 misc/cgo/testcshared: delete temporary directory in test
The deferred os.RemoveAll was accidentally committed as commented out
in the original https://golang.org/cl/87158.

Updates #30500

Change-Id: Idc5195816d7978253760dbfd78fde6d22c456296
Reviewed-on: https://go-review.googlesource.com/c/164858
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
2019-03-01 21:33:00 +00:00
Elias Naur
45861a64d3 androidtest.bash: delete
Android now works with all.bash.

Change-Id: I1087308865d2eb31f02501b5798e14d11145b185
Reviewed-on: https://go-review.googlesource.com/c/164700
Run-TryBot: Elias Naur <mail@eliasnaur.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-01 19:50:38 +00:00
Bryan C. Mills
ee6bec958d misc/cgo/test: set PWD when executing 'go test' in an alternate GOPATH
That makes the test more friendly to the Android exec script, since it
won't have to evaluate symlinks to find the directory.

Change-Id: I06aae3224d489eed6d7fac7e462361f3bf1dd3da
Reviewed-on: https://go-review.googlesource.com/c/164624
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
2019-03-01 18:35:31 +00:00
Elias Naur
8eef74b493 misc/android,misc/ios: evaluate current working directory symlinks
Previous CLs added symlink evaulation to GOROOT and GOPATH.
Unfortunately that only fixed tests that ran outside GOROOT.

To fix the standard library tests, evaluate symlinks in the current
working directory as well.

Change-Id: Ia406a968235ae4321a1002567520105998582d15
Reviewed-on: https://go-review.googlesource.com/c/164699
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-01 16:41:38 +00:00
Elias Naur
60abc07113 misc/android: adb push --sync testdata
(A stripped down version of) $GOROOT is uploaded to the device
before running standar library tests, including many (all?)
testdata directories.

Use the --sync flag when pushing testdata directories to the device
in case it is already present.

Change-Id: If8104f9d15838c1be3623adcf831a7188303c376
Reviewed-on: https://go-review.googlesource.com/c/164338
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-01 06:04:29 +00:00
Elias Naur
d24c3124ca misc/android: evaluate symlinks before comparing GOROOT and GOPATH
Should fix Android builders on Darwin hosts.

Change-Id: I1554849bdf2ad2440529af7f93566fa6f11d5407
Reviewed-on: https://go-review.googlesource.com/c/164697
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-01 06:03:52 +00:00
Elias Naur
aafa855fd3 misc/ios: evaluate symlinks before comparing GOROOT and GOPATH
CL 163726 added workarounds to keep the iOS builders happy in
a symlinked temporary dir.

The workarounds also made the tests more realistic and improved
performance. Keep them but also handle symlinks better in the
exec wrapper.

Change-Id: Iaa2c03a1a3fb3aa5aaf62d79d52b63d5d8f11db5
Reviewed-on: https://go-review.googlesource.com/c/164698
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2019-03-01 00:54:35 +00:00
Bryan C. Mills
5f8ca7ee24 misc: add go.mod file
Updates #30228
Updates #30241

Change-Id: I7ee839f4d2840873f7e37b3aff93fe534c6b52e6
Reviewed-on: https://go-review.googlesource.com/c/163207
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-27 17:47:31 +00:00
Bryan C. Mills
5c9a96c420 misc/cgo/test: skip TestCrossPackageTests on Android
This test currently fails in the Android builders, with the message
	pkg_test.go:64: go test -short: exec: "go": executable file not found in $PATH
(https://build.golang.org/log/39ec0da5bfb7793359e199cc8e358ca5a8257840)

I was not able to test this change, because I can't get 'gomote
create' to return an instance of anything Android. However, I will
watch the build dashboard after submitting to verify that the fix
works.

Updates #30228

Android appears to lack a 'go' command in the.

Change-Id: Ieacac7f50d19e2cfef2f5d60e79a159e55b5cfa8
Reviewed-on: https://go-review.googlesource.com/c/164097
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
2019-02-27 16:41:26 +00:00
Elias Naur
7be432e659 misc/android: copy testdata directories to device before running
We've got away with not copying the testdata directories for the
standard library because the exec wrapper also pushes almost the
entire $GOROOT tree to the device, including testdata directories.

Similar to what the iOS exec wrapper does.

Change-Id: I91ef63ef84a658fc8843002890132c64b7c1d20e
Reviewed-on: https://go-review.googlesource.com/c/163626
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-26 18:01:15 +00:00
Elias Naur
1aa0fcff46 misc/android: serialize adb commands on android emulators
Android emulator builders are soon to join the trybot set. To avoid
flaky runs, work around a longstanding adb bug where concurrent adb
commands sometimes fail.

I haven't seen the problem on actual devices until recently. It seems
that the recently added "adb wait-for-device" can introduce flakyness
with errors such as:

adb: error: failed to get feature set: protocol fault (couldn't read status): Connection reset by peer

Instead of working around that, give up and serialize use of adb
everywhere.

Fixes #23795
Updates #23824

Change-Id: If347c9981fa32ff8a1e14b7454f122ef682450a6
Reviewed-on: https://go-review.googlesource.com/c/163625
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-26 18:01:06 +00:00
Elias Naur
e3d99a3f86 misc/android,cmd/dist: move $GOROOT copying to the exec wrapper
To run the standard library tests on Android, the androidtest.bash
script copies GOROOT to the device. Move that logic to the android
exec wrapper, thereby making androidtest.bash obsolete.

Apart from making Android less special, the sharded builder
infrastructure should now be able to run (emulated) Android builders
and trybots without special treatment.

Updates #23824

Change-Id: I41591fea9a15b38c6dcf84046ea57f1e9165eaa5
Reviewed-on: https://go-review.googlesource.com/c/163619
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-26 18:00:48 +00:00
Bryan C. Mills
b5a68a9e41 misc/cgo: skip cgotest.TestCrossPackageTests on iOS and set PWD
I hope that this will fix the tests on iOS, but 'gomote create' isn't
giving me an instance I can test with. (Please patch and test before
approving.)

Updates #15919
Updates #30228

Change-Id: I1b7cd30d5b127a1ad3243b329fa005d229f69a24
Reviewed-on: https://go-review.googlesource.com/c/163726
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
2019-02-26 13:29:07 +00:00
Bryan C. Mills
c6da080b1a misc/cgo/testgodefs: move source files into testdata
These source files fail to build with 'go test ./...'.
Move them into testdata so that only test.bash will see them.

Updates #30228

Change-Id: I3673f3cb64b0c128a2bca5fee7679b672fe90770
Reviewed-on: https://go-review.googlesource.com/c/163212
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-26 02:44:12 +00:00
Bryan C. Mills
dd4e7f9722 misc/cgo/testso{,var}: fix tests in module mode
Add _test.go files in the individal directories to invoke 'go build'
with appropriate arguments.

Move the test driver out of cmd/dist so that it's easier to invoke the
test separately (using 'go test .').

Updates #30228
Updates #28387

Change-Id: Ibc4a024a52c12a274058298b41cc90709f7f56c8
Reviewed-on: https://go-review.googlesource.com/c/163420
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-26 02:43:55 +00:00
Elias Naur
73b803ee53 misc: wait for device readyness in the exec wrapper
Updates #23824

Change-Id: I5472a05eb2cf571ccc84c76c6f592bf4dd2e3cb4
Reviewed-on: https://go-review.googlesource.com/c/163621
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-24 21:54:41 +00:00
Bryan C. Mills
01f34cbf52 misc/cgo/life: fix tests in module mode
Updates #30228

Change-Id: Ie972694254d2195ca9760ea7ffb6073e01c52488
Reviewed-on: https://go-review.googlesource.com/c/163422
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-02-24 00:41:11 +00:00
Bryan C. Mills
c6611b2f7e misc/cgo/stdio: fix tests in module mode
Updates #30228

Change-Id: I4d213c6fe68c47ccb877f13b55128e035f76a26b
Reviewed-on: https://go-review.googlesource.com/c/163421
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-24 00:40:20 +00:00
Bryan C. Mills
eb2d1cdd1b misc/cgo/testplugin: convert test.bash to Go and fix in module mode
Updates #30228
Updates #28387

Change-Id: Iad7d960b70221f90ccc2372bb1d4d41cec3926e4
Reviewed-on: https://go-review.googlesource.com/c/163214
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-24 00:36:13 +00:00
Bryan C. Mills
551af5f50a misc/cgo/test: fix tests in module mode
This change preserves the ability to test misc/cgo/test in GOPATH
mode, at the cost of indirection through a 'go test' subprocess.

Updates #30228

Change-Id: I08de855e62278d30fa622b2f7478e43dd2ab0e96
Reviewed-on: https://go-review.googlesource.com/c/163418
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-24 00:35:18 +00:00
Bryan C. Mills
8f1e2d4ef7 misc/cgo/testsanitizers: move test source files into testdata directory
If we run 'go test ./...' in the misc module, we don't want to see
errors for these standalone files.

We could instead add +ignore tags to each file individually, but this
is exactly what a testdata directory is for.

Updates #30228

Change-Id: I7047ad888dd6aff701f5982d58b6a79f6a487c58
Reviewed-on: https://go-review.googlesource.com/c/163417
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-02-22 21:58:00 +00:00
Bryan C. Mills
a00611f58d misc/cgo/testcshared: fix tests in module mode
Updates #30228

Change-Id: Ie9dca7c64be8dff729be98cb6190236287afd23e
Reviewed-on: https://go-review.googlesource.com/c/163213
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-02-22 21:57:35 +00:00
Bryan C. Mills
ffde2ddb95 misc/cgo/testshared: fix tests in module mode
Updates #30228

Change-Id: I5cc739eb9fdfb648ec45e350d43d4cb02e450553
Reviewed-on: https://go-review.googlesource.com/c/163211
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-02-22 21:57:16 +00:00
Bryan C. Mills
13d9a29060 misc/cgo/testcarchive: fix tests in module mode
Updates #30228

Change-Id: I830e3c83416b2e5744f30d1a903a74c50462716b
Reviewed-on: https://go-review.googlesource.com/c/163210
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-02-22 21:56:56 +00:00
Bryan C. Mills
8ea27e117f misc/cgo/errors: fix tests in module mode
Updates #30228

Change-Id: I84bc705591bdb3da0106404b24353251939355b8
Reviewed-on: https://go-review.googlesource.com/c/163209
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-02-22 17:24:25 +00:00
Bryan C. Mills
56e4b0b3a2 misc/android: add build constraints on files intended to be built by filename only
Updates #30228

Change-Id: I91a763d94de935d9102d927b5cefee564bbf049b
Reviewed-on: https://go-review.googlesource.com/c/163208
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-22 16:05:15 +00:00
Ian Lance Taylor
3fc276ccf8 cmd/cgo: don't copy a simple variable x in &x[0]
Fixes #30065

Change-Id: I3d0fb03bab397548653d5f3b386cfe2980ac1030
Reviewed-on: https://go-review.googlesource.com/c/160830
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2019-02-04 06:53:49 +00:00
Ian Lance Taylor
dd1889cb22 cmd/cgo: don't replace newlines with semicolons in expressions
Fixes #29781

Change-Id: Id032d07a54b8c24f0c6d3f6e512932f76920ee04
Reviewed-on: https://go-review.googlesource.com/c/158457
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-01-18 03:25:40 +00:00
Ian Lance Taylor
76e8ca447c cmd/cgo: don't replace newlines with semicolons in composite literals
Fixes #29748

Change-Id: I2b19165bdb3c99df5b79574390b5d5f6d40462dc
Reviewed-on: https://go-review.googlesource.com/c/157961
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-01-15 18:14:54 +00:00
Dmitri Shuralyov
e1d20ce25a misc/sortac: delete sortac command
The sortac command is no longer needed as of CL 157238, and
can be deleted. Its functionality has been directly integrated
into the new x/build/cmd/updatecontrib command. A previous version
of updatecontrib was the only user of sortac.

Updates #12042

Change-Id: If7442ebee11d05d095ff875a37eed3973c0fd9ca
Reviewed-on: https://go-review.googlesource.com/c/157257
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-01-14 22:45:00 +00:00
Ian Lance Taylor
0d6a2d5f9a runtime: skip writes to persistent memory in cgo checker
Fixes #23899
Fixes #28458

Change-Id: Ie177f2d4c399445d8d5e1a327f2419c7866cb45e
Reviewed-on: https://go-review.googlesource.com/c/155697
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2019-01-04 02:40:56 +00:00
Keith Randall
69c2c56453 cmd/compile,runtime: redo mid-stack inlining tracebacks
Work involved in getting a stack trace is divided between
runtime.Callers and runtime.CallersFrames.

Before this CL, runtime.Callers returns a pc per runtime frame.
runtime.CallersFrames is responsible for expanding a runtime frame
into potentially multiple user frames.

After this CL, runtime.Callers returns a pc per user frame.
runtime.CallersFrames just maps those to user frame info.

Entries in the result of runtime.Callers are now pcs
of the calls (or of the inline marks), not of the instruction
just after the call.

Fixes #29007
Fixes #28640
Update #26320

Change-Id: I1c9567596ff73dc73271311005097a9188c3406f
Reviewed-on: https://go-review.googlesource.com/c/152537
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
2018-12-28 20:55:36 +00:00
Ian Lance Taylor
08477a38ab cmd/cgo: don't let inserted /*line*/ become a // comment
Fixes #29383

Change-Id: I0fb2929863e153b96d32d851e25e536231e4ae65
Reviewed-on: https://go-review.googlesource.com/c/155638
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2018-12-22 00:45:13 +00:00
Ian Lance Taylor
d9e2ba4fcc cmd/cgo: ensure the command passed to run retains a trailing dash
This was accidentally broken by CL 127755.

Fixes #29333

Change-Id: I5e92048c64a55c1699d6c38eb4dbbd51c817b820
Reviewed-on: https://go-review.googlesource.com/c/155037
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-19 15:47:36 +00:00
Elias Naur
d50390ce72 cmd/fix,cmd/cgo,misc/cgo: map the EGLDisplay C type to uintptr in Go
Similar to to macOS' CF* types and JNI's jobject and derived types,
the EGLDisplay type is declared as a pointer but can contain
non-pointers (see #27054).
Fix it the same way: map EGLDisplay to uintptr in Go.

Fixes #27054

RELNOTE=yes

Change-Id: I6136f8f8162687c5493b30ed324e29efe55a8fd7
Reviewed-on: https://go-review.googlesource.com/c/154417
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2018-12-15 19:27:41 +00:00
Richard Musiol
7d9649bf0d syscall/js: rename js.Callback to js.Func
The name "Callback" does not fit to all use cases of js.Callback.
This commit changes its name to Func. Accordingly NewCallback
gets renamed to FuncOf, which matches ValueOf and TypedArrayOf.

The package syscall/js is currently exempt from Go's compatibility
promise and js.Callback is already affected by a breaking change in
this release cycle. See #28711 for details.

Fixes #28711

Change-Id: I2c380970c3822bed6a3893909672c15d0cbe9da3
Reviewed-on: https://go-review.googlesource.com/c/153559
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-13 18:34:01 +00:00
Ian Lance Taylor
12c0f1b3e6 cmd/cgo: set correct column for user-written code
Take advantage of the new /*line*/ comments.

Fixes #26745

Change-Id: I8098642e0f11f7418fe81b9a08dbe07671f930fe
Reviewed-on: https://go-review.googlesource.com/c/151598
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2018-12-12 00:08:03 +00:00
Ian Lance Taylor
6d43587053 cmd/cgo: preserve type information across loadDWARF loop
CL 122575 and its successors introduced a loop calling loadDWARF,
whereas before we only called it once. Pass a single typeConv to each
call, rather than creating a new one in loadDWARF itself. Change the
maps from dwarf.Type to use string keys rather than dwarf.Type keys,
since when the DWARF is reloaded the dwarf.Type pointers will be
different. These changes permit typeConv.Type to return a consistent
value for a given DWARF type, avoiding spurious type conversion errors
due to typedefs loaded after the first loop iteration.

Fixes #27340

Change-Id: Ic33467bbfca4c54e95909621b35ba2a58216d96e
Reviewed-on: https://go-review.googlesource.com/c/152762
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2018-12-11 03:29:27 +00:00
Ian Lance Taylor
1ac3b06181 cmd/compile: emit a symbol for a method expression when using -dynlink
Fixes #25065

Change-Id: Ia3db518cfd9c006caf951b51342a491ac8372e9c
Reviewed-on: https://go-review.googlesource.com/c/153297
Reviewed-by: Robert Griesemer <gri@golang.org>
2018-12-11 03:20:37 +00:00
Clément Chigot
e256afff51 all: move cmd/internal/xcoff to internal/xcoff
This commit moves cmd/internal/xcoff package to internal/xcoff because
it will be needed to add XCOFF support in go/internal/gccgoimporter.

Change-Id: Id12df0c438fb7db4a6a458fc1478480851bf7771
Reviewed-on: https://go-review.googlesource.com/c/152719
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-10 18:52:31 +00:00
Hiroshi Ioka
5e1727892b cmd/cgo: reject names that are likely to be mangled C name
Fixes #28721

Change-Id: I00356f3a9b0c2fb21dc9c2237dd5296fcb3b319b
Reviewed-on: https://go-review.googlesource.com/c/152657
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-12-05 14:12:14 +00:00
Ian Lance Taylor
58ffe5059f misc/cgo/testcshared: skip TestGo2C2Go on Android
Updates #29087

Change-Id: I0bab45818119176c2ba5de9c0e457b7717485d6f
Reviewed-on: https://go-review.googlesource.com/c/152162
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-03 23:32:59 +00:00
Ian Lance Taylor
54cbc5b4bf cmd/cgo: use a plausible position for typedef error messages
Fixes #28069

Change-Id: I7e0f96b8b6d123de283325fcb78ec76455050f6d
Reviewed-on: https://go-review.googlesource.com/c/152158
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2018-12-03 20:26:04 +00:00
Ian Lance Taylor
cef41e0d4b misc/cgo/testcshared: don't run TestGo2C2Go on Darwin
Darwin doesn't support the multiple copies of the runtime package
implied by linking a c-shared library into a Go program.

Updates #29061

Change-Id: I6cf5d00babf82f1de05689c1345aaa5ae0b0659c
Reviewed-on: https://go-review.googlesource.com/c/152159
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-03 19:37:57 +00:00
Ian Lance Taylor
f70bd91435 cmd/cgo: use preprocessor macros to avoid prolog redefinitions
Avoid redefinition errors when a Go file uses a cgo comment to
There is no particularly good reason to do this, but there is also no
particularly good reason that it should fail.

Fixes #27019

Change-Id: Icd6f8197a89be4ee6b03ddae675667998a8b4189
Reviewed-on: https://go-review.googlesource.com/c/152079
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-01 05:30:16 +00:00
Ian Lance Taylor
fbdaa96563 cmd/cgo: use field alignment when setting field offset
The old code ignored the field alignment, and only looked at the field
offset: if the field offset required padding, cgo added padding. But
while that approach works for Go (at least with the gc toolchain) it
doesn't work for C code using packed structs. With a packed struct the
added padding may leave the struct at a misaligned position, and the
inserted alignment, which cgo is not considering, may introduce
additional, unexpected, padding. Padding that ignores alignment is not
a good idea when the struct is not packed, and Go structs are never
packed. So don't ignore alignment.

Fixes #28896

Change-Id: Ie50ea15fa6dc35557497097be9fecfecb11efd8a
Reviewed-on: https://go-review.googlesource.com/c/150602
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2018-11-29 19:18:12 +00:00
Ian Lance Taylor
4f26f24d2a cmd/cgo: recognize untyped constants defined in different files
An untyped constant can be defined in any input file, we shouldn't
segregate them by file.

Updates #28772

Change-Id: I0347f15236833bb511eb49f86c449ee9241b0a25
Reviewed-on: https://go-review.googlesource.com/c/151600
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-11-29 01:29:56 +00:00
Hana Kim
6d5caf38e3 cmd/trace: revert internal/traceparser
The performance improvement is not as big as we hoped.
Until the API is feature complete, we postpone the release
and avoid added complexity.

This change was prepared by reverting all the changes affected
src/cmd/trace and src/internal/traceparser packages after
golang.org/cl/137635, and then bringing back MMU computation
APIs (originally in src/internal/traceparser) to the
src/internal/trace package.

Revert "cmd/trace: use new traceparser to parse the raw trace files"
This reverts https://golang.org/cl/145457
  (commit 08816cb8d7).

Revert "internal/traceparser: provide parser that uses less space and parses segments of runtime trace files"
This reverts https://golang.org/cl/137635
  (commit daaf361f74).

Change-Id: Ic2a068a7dbaf4053cd9674ca7bde9c58e74385b4
Reviewed-on: https://go-review.googlesource.com/c/150517
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2018-11-22 02:59:55 +00:00
Richard Musiol
aff2f6ece8 misc/wasm: add stub for fs.read on browsers
Using fmt.Scanln in a browser environment caused a panic, since there
was no stub for fs.read. This commit adds a stub that returns ENOSYS.

Fixes #27773.

Change-Id: I79b019039e4bc90da51d71a4edddf3bd7809ff45
Reviewed-on: https://go-review.googlesource.com/c/150617
Run-TryBot: Richard Musiol <neelance@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-20 22:06:33 +00:00
Richard Musiol
d7183ca403 misc/wasm: use temporary directory provided by Node.js
os.TempDir() did not return a proper directory on Windows with js/wasm,
because js/wasm only uses the Unix variant of TempDir.

This commit passes the temporary directory provided by Node.js to the
Go runtime by adding it as a default value for the TMPDIR environment
variable. It makes TempDir compatible with all platforms.

Fixes #27306.

Change-Id: I8b17e44cfb2ca41939ab2a4f918698fe330cb8bc
Reviewed-on: https://go-review.googlesource.com/c/150437
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-20 15:29:09 +00:00
Ian Lance Taylor
ba8f6fa0ca cmd/cgo: recognized untyped Go constants as untyped constants
Fixes #28772

Change-Id: I9446d95fb73fbcbb1cd9a4d2156ebc91bc9e91cb
Reviewed-on: https://go-review.googlesource.com/c/149858
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-16 23:30:19 +00:00
Tobias Klauser
48e4d36fed misc/cgo/testsanitizers: gofmt
Change-Id: I4e7328bb89f504dbca3948b8565d22c44d41db3d
Reviewed-on: https://go-review.googlesource.com/c/149917
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-11-16 13:54:47 +00:00
Richard Musiol
6dd70fc5e3 all: add support for synchronous callbacks to js/wasm
With this change, callbacks returned by syscall/js.NewCallback
get executed synchronously. This is necessary for the APIs of
many JavaScript libraries.

A callback triggered during a call from Go to JavaScript gets executed
on the same goroutine. A callback triggered by JavaScript's event loop
gets executed on an extra goroutine.

Fixes #26045
Fixes #27441

Change-Id: I591b9e85ab851cef0c746c18eba95fb02ea9e85b
Reviewed-on: https://go-review.googlesource.com/c/142004
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-10 11:57:17 +00:00
Nikhil Benesch
e496e612b7 runtime: never call into race detector with retaken P
cgocall could previously invoke the race detector on an M whose P had
been retaken. The race detector would attempt to use the P-local state
from this stale P, racing with the thread that was actually wired to
that P. The result was memory corruption of ThreadSanitizer's internal
data structures that presented as hard-to-understand assertion failures
and segfaults.

Reorder cgocall so that it always acquires a P before invoking the race
detector, and add a test that stresses the interaction between cgo and
the race detector to protect against future bugs of this kind.

Fixes #27660.

Change-Id: Ide93f96a23490314d6647547140e0a412a97f0d4
Reviewed-on: https://go-review.googlesource.com/c/148717
Run-TryBot: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
2018-11-09 21:47:48 +00:00
Hana (Hyang-Ah) Kim
c0a40e4fe5 cmd/vendor: update github.com/google/pprof
Sync @ fde099a (Oct 26, 2018)

Also update misc/nacl/testzip.proto to include new testdata.
Change-Id: If41590be9f395a591056e89a417b589c4ba71b1a
Reviewed-on: https://go-review.googlesource.com/c/147979
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-07 12:27:21 +00:00
Ian Lance Taylor
4d567310d2 cmd/cgo: accept expressions as untyped constants
Fixes #28545

Change-Id: I31c57ce11aca651cacc72235c7753e0c0fd170ef
Reviewed-on: https://go-review.googlesource.com/c/146900
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2018-11-02 19:28:58 +00:00
Ian Lance Taylor
a70a2a8ad6 cmd/cgo: don't update each call in place
Updating each call in place broke when there were multiple cgo calls
used as arguments to another cgo call where some required rewriting.
Instead, rewrite calls to strings via the existing mangling mechanism,
and only substitute the top level call in place.

Fixes #28540

Change-Id: Ifd66f04c205adc4ad6dd5ee8e79e57dce17e86bb
Reviewed-on: https://go-review.googlesource.com/c/146860
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2018-11-02 05:35:56 +00:00
Ian Lance Taylor
90df37769d cmd/cgo: rewrite pointer checking to use more function literals
Fixes #14210
Fixes #25941

Change-Id: Idde2d032290da3edb742b5b4f6ffeb625f05b494
Reviewed-on: https://go-review.googlesource.com/c/142884
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-01 21:54:54 +00:00
Richard Musiol
9627180f0f misc/wasm: improve detection of Node.js
This commit adds a check of "process.title" to detect Node.js.

The web app bundler Parcel sets "process" to an empty object. This
incorrectly got detected as Node.js, even though the script was
running in a browser.

Fixes #28364.

Change-Id: Iecac7f8fc3cc4ac7ddb42dd43c5385681a3282de
Reviewed-on: https://go-review.googlesource.com/c/144658
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-10-25 22:13:48 +00:00