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21533 Commits

Author SHA1 Message Date
Josh Bleecher Snyder
3191a23515 go/doc: propagate types from unexported constants
When constants were declared using unexported constants,
the type information was lost when those constants were filtered out.
This CL propagates the type information of unexported constants
so that it is available for display.

This is a follow-up to CL 144110044, which fixed this problem
specifically for _ constants.

Updates #5397.

Change-Id: I3f0c767a4007d88169a5634ab2870deea4e6a740
Reviewed-on: https://go-review.googlesource.com/2091
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-01-06 00:24:13 +00:00
Shenghou Ma
43178697db math/big: panic if n <= 0 for ProbablyPrime
Fixes #9509

Change-Id: I3b86745d38e09093fe2f4b918d774bd6608727d7
Reviewed-on: https://go-review.googlesource.com/2313
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-01-05 23:11:35 +00:00
Brad Fitzpatrick
b70ddc0b51 runtime: only check whether the runtime is stale once during tests
Noticed while investigating the speed of the runtime tests, as part
of debugging while Plan 9's runtime tests are timing out on GCE.

Change-Id: I95f5a3d967a0b45ec1ebf10067e193f51db84e26
Reviewed-on: https://go-review.googlesource.com/2283
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-05 21:33:27 +00:00
Christopher Guiney
ae266aaa9d doc: Added link to 'go help gopath'
The existing go code document did not link to the GOPATH documentation.
This will link to it, in hopes of making it more discoverable.

Change-Id: Ie4ded2fdce08f412e4acbcc93acdd76f5791b84a
Reviewed-on: https://go-review.googlesource.com/2265
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-01-05 21:24:39 +00:00
Fazlul Shahriar
e6f76aac32 math: be consistent in how we document special cases
Change-Id: Ic6bc4af7bcc89b2881b2b9e7290aeb6fd54804e2
Reviewed-on: https://go-review.googlesource.com/2239
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-05 21:01:46 +00:00
Russ Cox
e6d3511264 Revert "liblink, cmd/ld, runtime: remove stackguard1"
This reverts commit ab0535ae3f.

I think it will remain useful to distinguish code that must
run on a system stack from code that can run on either stack,
even if that distinction is no
longer based on the implementation language.

That is, I expect to add a //go:systemstack comment that,
in terms of the old implementation, tells the compiler,
to pretend this function was written in C.

Change-Id: I33d2ebb2f99ae12496484c6ec8ed07233d693275
Reviewed-on: https://go-review.googlesource.com/2275
Reviewed-by: Russ Cox <rsc@golang.org>
2015-01-05 16:29:56 +00:00
Shenghou Ma
a1c9e10371 reflect: document that Values can't be compared directly
Fixes #9504.

Change-Id: I148f407ace3d1b4db3f19fbb8561d1ee6c4c13b3
Reviewed-on: https://go-review.googlesource.com/2273
Reviewed-by: Rob Pike <r@golang.org>
2015-01-05 09:11:44 +00:00
Mikio Hara
a1053ed610 crypto/x509: add missing copyright
Change-Id: Ida3b431a06527f6cd604ab4af5ce517959c8619b
Reviewed-on: https://go-review.googlesource.com/2306
Reviewed-by: Dave Cheney <dave@cheney.net>
2015-01-05 07:32:02 +00:00
Mikio Hara
35132a6be8 crypto/x509: fix nacl build
Change-Id: Ie47c6460c1749aef3cf6d7c6ba44d43305d7ca7b
Reviewed-on: https://go-review.googlesource.com/2305
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-05 06:31:49 +00:00
Dave Cheney
682922908f crypto/x509: split certFiles definition by GOOS
This CL splits the (ever growing) list of ca cert locations by major unix
platforms (darwin, windows and plan9 are already handled seperately).
Although it is clear the unix variants cannot manage to agree on some standard
locations, we can avoid to some extent an artificial ranking of priority
amongst the supported GOOSs.

* Split certFiles definition by GOOS
* Include NetBSD ca cert location

Fixes #9285

Change-Id: I6df2a3fddf3866e71033e01fce43c31e51b48a9e
Reviewed-on: https://go-review.googlesource.com/2208
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-01-05 05:41:27 +00:00
Nigel Tao
0b52392ef7 image: use three-index slice for NewYCbCr.
This ensures that changing an image.YCbCr's Y values can't change its
chroma values, even after re-slicing up to capacity.

Change-Id: Icb626561522e336a3220e10f456c95330ae7db9e
Reviewed-on: https://go-review.googlesource.com/2209
Reviewed-by: Rob Pike <r@golang.org>
2015-01-05 03:32:15 +00:00
Andrew Gerrand
43ce5c0306 log: update doc comment
Fixes #9448.

Change-Id: I8e1d676688d9e9b2fa3519ebc530905f574a1b3e
Reviewed-on: https://go-review.googlesource.com/2088
Reviewed-by: Rob Pike <r@golang.org>
2015-01-05 01:21:52 +00:00
Shenghou Ma
9a5789d499 fmt: fix two typos
Change-Id: I7b65cf3b67bef8950115066d6d12b25cd0a5edfc
Reviewed-on: https://go-review.googlesource.com/2272
Reviewed-by: Rob Pike <r@golang.org>
2015-01-04 23:07:43 +00:00
Michael Hudson-Doyle
19f2bd8c2e cmd/go: be more careful when linking a test exe with gccgo
Previously, we ended up passing two compiled objects for the package
being tested when linking the test executable.  Somewhat by luck, this
worked most of the time but occasionally it did not.  This changes the
linking code to not pass two objects for the same ImportPath and to
always pass the object for the test version of the package and removes
some unecessary nil checks.

Change-Id: I7bbd3fc708f14672ee2cc6aed3397421fceb8a38
Reviewed-on: https://go-review.googlesource.com/1840
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-04 21:01:15 +00:00
Shenghou Ma
281ae92881 liblink: fix encoding of SETcc for amd64
liblink used to encode both SETEQ BP and SETEQ CH as 0f 94 c5,
however, SETEQ BP should have used a REX prefix.

Fixes #8545.

Change-Id: Ie59c990cdd0ec506cffe4318e9ad1b48db5e57dd
Reviewed-on: https://go-review.googlesource.com/2270
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2015-01-04 20:38:12 +00:00
Michael Fraenkel
48d63035ce reflect: set dir when creating a channel via ChanOf
Fixes #9135

Change-Id: I4d0e4eb52a3d64262f107eb7eae4096a6e47ac08
Reviewed-on: https://go-review.googlesource.com/2238
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-04 19:42:14 +00:00
Ian Lance Taylor
1ebfb082a7 runtime: remove unnecessary GOOS switch
Change-Id: I8f518e273c02110042b08f7c50c3d38a648c8b6e
Reviewed-on: https://go-review.googlesource.com/2281
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-04 19:41:05 +00:00
Mikio Hara
2958860ee8 net: add test cases for parsing ipv4-mapped ipv6 address
This CL adds missing ipv4-mapped ipv6 address test cases to TestParseIP.

Change-Id: I3144d2a88d409bd515cf52f8711d407bfa81ed68
Reviewed-on: https://go-review.googlesource.com/2205
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-04 10:28:00 +00:00
Matthew Dempsky
537ddc9456 runtime: fix slicecopy return value for zero-width elements
Fixes #8620

Change-Id: Idb49e586919d21d07e94a39ed9ebb0562f403460
Reviewed-on: https://go-review.googlesource.com/2221
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-04 01:59:59 +00:00
Shenghou Ma
865e5e98b6 runtime: fix TestCgoExternalThreadSIGPROF again
Shell out to `uname -r` this time, so that the test will compile
even if the platform doesn't have syscall.Sysctl.

Change-Id: I3a19ab5d820bdb94586a97f4507b3837d7040525
Reviewed-on: https://go-review.googlesource.com/2271
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-03 05:49:22 +00:00
Shenghou Ma
2cbe27a272 runtime: skip TestCgoExternalThreadSIGPROF on OS X 10.6
The test program requires static constructor, which in turn needs
external linking to work, but external linking never works on 10.6.

This should fix the darwin-{386,amd64} builders.

Change-Id: I714fdd3e35f9a7e5f5659cf26367feec9412444f
Reviewed-on: https://go-review.googlesource.com/2235
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-03 03:18:46 +00:00
Brad Fitzpatrick
0e05bd59ac doc: add a section for performance improvements in go1.5.txt
Mostly I need to tickle the builders, since I'm working on the
dashboard builders right now.

Change-Id: I833fc22bc942758a58791ed038634cdd812f5411
Reviewed-on: https://go-review.googlesource.com/2261
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-02 22:42:28 +00:00
Josh Bleecher Snyder
17577e48c9 runtime: use SETEQ instead of JZ for cas
Change-Id: Ibabbca3988d39bdce584924173a912d45f50f0dd
Reviewed-on: https://go-review.googlesource.com/2243
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-02 19:06:36 +00:00
Josh Bleecher Snyder
8bbd80063b cmd/go: put user ldflags at the end of the linker invocation
If the user provided a key but no value via -ldflag -X,
another linker flag was used as the value.

Placing the user's flags at the end avoids this problem.
It also provides the user the opportunity to
override existing linker flags.

Fixes #8810.

Change-Id: I96f4190713dc9a9c29142e56658446fba7fb6bc8
Reviewed-on: https://go-review.googlesource.com/2242
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-02 18:36:44 +00:00
Martin Möhrmann
79c4fad8c2 os: replace itod on posix with general itoa and fix possible infinite recursion
Remove use of itod on posix systems and replace with call to itoa.
Build and use same itoa function on all systems.
Fix infinite recursion in iota function for the case -1<<63.

Change-Id: I89d7e742383c5c4aeef8780501c78a3e1af87a6f
Reviewed-on: https://go-review.googlesource.com/2213
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-02 16:21:18 +00:00
Alberto Donizetti
307e2706cb cmd/gc: update issue tracker link
Updated the issue tracker link the compiler prints out
when asking for a bug report after an internal error.

Change-Id: I092b118130f131c6344d9d058bea4ad6379032b8
Reviewed-on: https://go-review.googlesource.com/2218
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-02 15:45:17 +00:00
Shenghou Ma
29c85739d5 include: remove unnecessary stuff on windows
Our definition of struct timespec used to cause problems with
certain versions of mingw-rt. However, as it turns out, we don't
actually need those definitions and prototypes, so remove them.

Fixes #9472.

Change-Id: Ie0880f0d58be112625140f73d0bed71f98b7cf05
Reviewed-on: https://go-review.googlesource.com/2236
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2015-01-02 03:36:11 +00:00
Shenghou Ma
cb1897a58c cmd/gc: give an error if only one argument is given to complex()
Fixes #8501

Change-Id: I0dbbdded7f7924351c3d1841d60cb5c934b295b7
Reviewed-on: https://go-review.googlesource.com/2143
Reviewed-by: Chris Manghane <cmang@golang.org>
2015-01-02 02:52:56 +00:00
David Crawshaw
8fa0cf1db2 runtime: remove unused export_test declarations
Change-Id: Iac28c4bbe949af5628cef8ecafdd59ab5d71e6cc
Reviewed-on: https://go-review.googlesource.com/2240
Reviewed-by: Keith Randall <khr@golang.org>
2015-01-01 18:44:36 +00:00
Mikio Hara
a877e81caa net: don't return io.EOF on reading data from datagram, raw sockets on windows
Preventing returning io.EOF on non-connection oriented sockets is
already applied to Unix variants. This CL applies it to Windows.

Update #4856.

Change-Id: I82071d40f617e2962d0540b9d1d6a10ea4cdb2ec
Reviewed-on: https://go-review.googlesource.com/2203
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2015-01-01 05:21:32 +00:00
Mikio Hara
a456801615 net: remove redundant test case for lookupIP with threadLimit
There is no reason to have the redundant test case TestDNSThreadLimt
because TestLookupIPDeadline does cover what we need to test with
-dnsflood flag and more.

Also this CL moves TestLookupIPDeadline into lookup_test.go to avoid
abusing to control the order of test case execution by using file name.

Change-Id: Ib417d7d3411c59d9352c03c996704d584368dc62
Reviewed-on: https://go-review.googlesource.com/2204
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-01 05:20:16 +00:00
Shenghou Ma
1f28238557 runtime: provide a dummy value of _SIGPROF on plan9 and windows
Fixes build on plan9 and windows.

Change-Id: Ic9b02c641ab84e4f6d8149de71b9eb495e3343b2
Reviewed-on: https://go-review.googlesource.com/2233
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2015-01-01 04:41:43 +00:00
Shenghou Ma
0b2a74e89c runtime/cgo: remove unused variable
I missed this one in golang.org/cl/2232 and only tested the patch
on openbsd/amd64.

Change-Id: I4ff437ae0bfc61c989896c01904b6d33f9bdf0ec
Reviewed-on: https://go-review.googlesource.com/2234
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-01 03:14:56 +00:00
Shenghou Ma
77cd6197d7 runtime/cgo: initialize our pthread_create wrapper earlier on openbsd
This is a genuine bug exposed by our test for issue 9456: our wrapper
for pthread_create is not initialized until we initialize cgo itself,
but it is possible that a static constructor could call pthread_create,
and in that case, it will be calling a nil function pointer.

Fix that by also initializing the sys_pthread_create function pointer
inside our pthread_create wrapper function, and use a pthread_once to
make sure it is only initialized once.

Fix build for openbsd.

Change-Id: Ica4da2c21fcaec186fdd3379128ef46f0e767ed7
Reviewed-on: https://go-review.googlesource.com/2232
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-01-01 02:52:34 +00:00
Shenghou Ma
76b2f06ee5 cmd/gc: fix filename output format verb for -s
%lL will prepend the current directory to the filename, which is not
what we want here (as the file name is already absolute).

Fixes #9150.

Change-Id: I4c9386be6baf421393b92d9401a264b4692986d0
Reviewed-on: https://go-review.googlesource.com/2231
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2014-12-31 23:11:07 +00:00
Shenghou Ma
5da9c8cd0a runtime: ignore SIGPROF to foreign threads before cgocallback is fully initialized
Some libraries, for example, OpenBLAS, create work threads in a global constructor.
If we're doing cpu profiling, it's possible that SIGPROF might come to some of the
worker threads before we make our first cgo call. Cgocallback used to terminate the
process when that happens, but it's better to miss a couple profiling signals than
to abort in this case.

Fixes #9456.

Change-Id: I112b8e1a6e10e6cc8ac695a4b518c0f577309b6b
Reviewed-on: https://go-review.googlesource.com/2141
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2014-12-31 23:10:44 +00:00
David Symonds
6cb403319f doc: 2015 will be the Year of the Gopher.
Change-Id: Ic2e34f84596b56715d5f41c9a5250f7c9f8e671b
Reviewed-on: https://go-review.googlesource.com/2087
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Andrew Gerrand <adg@golang.org>
Reviewed-by: Dave Cheney <dave@cheney.net>
2014-12-31 13:00:03 +00:00
Martin Möhrmann
241583a432 strconv: optimize decimal to string conversion
Avoid the decimal lookup in digits array and compute the decimal character value directly.
Reduce calls to 64bit division on 32bit plattforms by splitting conversion into smaller blocks.
Convert value to uintptr type when it can be represented by uintptr.

on darwin/386

benchmark               old ns/op     new ns/op     delta
BenchmarkFormatInt      8352          7466          -10.61%
BenchmarkAppendInt      4281          3401          -20.56%
BenchmarkFormatUint     2785          2251          -19.17%
BenchmarkAppendUint     1770          1223          -30.90%

on darwin/amd64

benchmark               old ns/op     new ns/op     delta
BenchmarkFormatInt      5531          5492          -0.71%
BenchmarkAppendInt      2435          2295          -5.75%
BenchmarkFormatUint     1628          1569          -3.62%
BenchmarkAppendUint     726           750           +3.31%

Change-Id: Ifca281cbdd62ab7d7bd4b077a96da99eb12cf209
Reviewed-on: https://go-review.googlesource.com/2105
Reviewed-by: Robert Griesemer <gri@golang.org>
2014-12-30 23:28:02 +00:00
Alan Donovan
fcd61eb07e go/parser: add {map,chan,interface} to expression lookahead tokens
+ tests that these parse:
  map[int]int{}[0]++
  interface{f()}(x).f()
  chan int(x) <- 0

Fixes #9474

Change-Id: If9fa57b3ab415ae7e93aa9935ec63edda8fe9d4f
Reviewed-on: https://go-review.googlesource.com/2178
Reviewed-by: Robert Griesemer <gri@golang.org>
2014-12-30 21:49:25 +00:00
Brad Fitzpatrick
f005d6e34a archive/tar: document Reader.Next's behavior at the end
Change-Id: I72f6d0fc66dbee3f832d2d960b99a166a5bb10c3
Reviewed-on: https://go-review.googlesource.com/2191
Reviewed-by: David Symonds <dsymonds@golang.org>
2014-12-30 21:38:37 +00:00
Brad Fitzpatrick
7e56eeeced doc: add http server trailers support to go1.5.txt
Change-Id: Ic15e40bb1ae0bf3a4e8c43a44daf7cc35a18da87
Reviewed-on: https://go-review.googlesource.com/2192
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2014-12-30 18:02:45 +00:00
Anthony Martin
3d032d7653 runtime: consolidate arch-specific signal handlers on Plan 9
Change-Id: I4379418853c523fc9aaeb5d6f37bc96117841418
Reviewed-on: https://go-review.googlesource.com/1786
Reviewed-by: David du Colombier <0intro@gmail.com>
Reviewed-by: Aram Hăvărneanu <aram@mgk.ro>
2014-12-30 14:36:15 +00:00
Emil Hessman
f3de21767e doc: update links in FAQ
Vitess and protobuf has moved to GitHub; update the links.

Change-Id: I2d90bde1a7f2b590c8b7b08ce73d6faa13b51da0
Reviewed-on: https://go-review.googlesource.com/2166
Reviewed-by: Andrew Gerrand <adg@golang.org>
2014-12-30 05:52:03 +00:00
Brad Fitzpatrick
4b96409aac net/http: support for setting trailers from a server Handler
We already had client support for trailers, but no way for a server to
set them short of hijacking the connection.

Fixes #7759

Change-Id: Ic83976437739ec6c1acad5f209ed45e501dbb93a
Reviewed-on: https://go-review.googlesource.com/2157
Reviewed-by: Andrew Gerrand <adg@golang.org>
2014-12-30 04:27:17 +00:00
Chris Manghane
5cc29ab95e cmd/gc: logical operators should produce untyped bool for untyped
operands

Fixes #6671 for cmd/gc.

Change-Id: I4907655b6e243960f2ceb544c63ea16513c7bd68
Reviewed-on: https://go-review.googlesource.com/1251
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2014-12-29 23:36:30 +00:00
Chris Manghane
edf7258416 test: add fixed GoSmith bugs reported on the gcc Bugzilla
Change-Id: I36b57f3e299a4f96b8b5aa55c9c224d888229684
Reviewed-on: https://go-review.googlesource.com/1790
Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2014-12-29 23:21:10 +00:00
Robert Griesemer
c85a2bf9c2 testing/iotest: fix copy/paste error in comment
Reported via unsupported GitHub pull request:
https://github.com/golang/go/pull/9436/

Change-Id: I12b00e8ccac700bb36b200196e2867fcc863fdf1
Reviewed-on: https://go-review.googlesource.com/2139
Reviewed-by: Alan Donovan <adonovan@google.com>
2014-12-29 19:05:37 +00:00
David du Colombier
29b4e34cf2 runtime: rename atoi to _atoi on Plan 9
Following change 2154, the goatoi function
was renamed atoi.

However, this definition conflicts with the
atoi function defined in the Plan 9 runtime,
which takes a []byte instead of a string.

This change fixes the build on Plan 9.

Change-Id: Ia0f7ca2f965bd5e3cce3177bba9c806f64db05eb
Reviewed-on: https://go-review.googlesource.com/2165
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2014-12-29 17:04:24 +00:00
Keith Randall
0bb8fc6614 runtime: remove go prefix from a few routines
They are no longer needed now that C is gone.

goatoi -> atoi
gofuncname/funcname -> funcname/cfuncname
goroundupsize -> already existing roundupsize

Change-Id: I278bc33d279e1fdc5e8a2a04e961c4c1573b28c7
Reviewed-on: https://go-review.googlesource.com/2154
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
2014-12-29 15:18:29 +00:00
Shenghou Ma
ab0535ae3f liblink, cmd/ld, runtime: remove stackguard1
Now that we've removed all the C code in runtime and the C compilers,
there is no need to have a separate stackguard field to check for C
code on Go stack.

Remove field g.stackguard1 and rename g.stackguard0 to g.stackguard.
Adjust liblink and cmd/ld as necessary.

Change-Id: I54e75db5a93d783e86af5ff1a6cd497d669d8d33
Reviewed-on: https://go-review.googlesource.com/2144
Reviewed-by: Keith Randall <khr@golang.org>
2014-12-29 07:36:07 +00:00