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Commit Graph

16445 Commits

Author SHA1 Message Date
Rob Pike
700a126c64 cmd/ld: fix check for address wrap in relocation
PC-relative needs a signed offset; others need unsigned.
Also fix signedness of 32-bit relocation on Windows.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/9039045
2013-04-30 09:10:10 -07:00
Andrew Gerrand
e2b2e0d8d1 doc/go1.1: remove discussion of "go run" change
Update #5164

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/9049043
2013-04-30 09:47:23 -04:00
Rob Pike
396d3af8d0 cmd/ld: disable relocation range check so build can go green while we debug the issue.
R=golang-dev, dsymonds, dave
CC=golang-dev
https://golang.org/cl/9038043
2013-04-30 00:19:21 -07:00
Rob Pike
4dcb13bb44 cmd/gc: fix some overflows in the compiler
Some 64-bit fields were run through 32-bit words, some counts were
not checked for overflow, and relocations must fit in 32 bits.
Tests to follow.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/9033043
2013-04-29 22:44:40 -07:00
Rob Pike
e4c4edf681 cmd/ld: fix some 64-bit issues
A few places in the linker pushed 64-bit values through 32-bit holes,
including in relocation.
Clean them up, and check for a few other overflows as well.
Tests to follow.

R=dsymonds
CC=gobot, golang-dev
https://golang.org/cl/9032043
2013-04-29 22:44:20 -07:00
Shenghou Ma
5c20a4f260 encoding/json: document that marshaling invalid utf-8 sequence will return error
Also added docs for InvalidUTF8Error.
Fixes #5360.

R=golang-dev, adg, r
CC=golang-dev
https://golang.org/cl/8926046
2013-04-30 11:21:48 +08:00
Rob Pike
b42c8294eb fmt: fix crash for Printf("%.", 3)
Fixes #5311

R=golang-dev, bradfitz, iant
CC=golang-dev
https://golang.org/cl/8961050
2013-04-29 13:52:07 -07:00
Shenghou Ma
5b78cee376 runtime: fix stack pointer corruption in runtime.cgocallback_gofunc()
runtime.setmg() calls another function (cgo_save_gm), so it must save
LR onto stack.
Re-enabled TestCthread test in misc/cgo/test.

Fixes #4863.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/9019043
2013-04-30 04:13:32 +08:00
Ian Lance Taylor
806dea82d4 fmt: document that if String or Error panics, that value is printed
Fixes #5350.

R=r, minux.ma
CC=golang-dev
https://golang.org/cl/8950043
2013-04-29 12:01:32 -07:00
Andrew Gerrand
13721cf688 net/http/httptest: fix incorrectly-named ResponseRecorder example
R=golang-dev, minux.ma, r
CC=golang-dev
https://golang.org/cl/8545047
2013-04-29 17:34:47 +02:00
Brad Fitzpatrick
e9546a01dc math/rand: fix typo and add better crash message
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/9000043
2013-04-27 18:50:38 -07:00
Dave Cheney
d09f34cc55 runtime: tune appendCrossover for arm
Turns out the optimal value is 8 on cortex-A9 systems (pandaboard)

benchmark                     old ns/op    new ns/op    delta
BenchmarkAppend                     907          908   +0.11%
BenchmarkAppend1Byte                101          101   +0.00%
BenchmarkAppend4Bytes               116          116   +0.00%
BenchmarkAppend8Bytes               139          138   -0.72%
BenchmarkAppend16Bytes              185          158  -14.59%
BenchmarkAppend32Bytes              131          131   +0.00%
BenchmarkAppendStr1Byte              72           72   +0.00%
BenchmarkAppendStr4Bytes             93           93   -0.21%
BenchmarkAppendStr8Bytes            116          116   +0.00%
BenchmarkAppendStr16Bytes           161          125  -22.36%
BenchmarkAppendStr32Bytes           102          102   +0.00%
BenchmarkAppendSpecialCase          613          613   +0.00%

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8863045
2013-04-28 00:18:11 +10:00
Brad Fitzpatrick
3cef6979ee database/sql/driver: try to unstutter Value docs
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8981043
2013-04-26 11:42:58 -07:00
Dmitriy Vyukov
489addd250 time: stop 1ns timer in test
R=golang-dev, adg, r
CC=golang-dev
https://golang.org/cl/8819046
2013-04-26 11:08:50 +04:00
Brad Fitzpatrick
277047f52a database/sql: fix driver Conn refcounting with prepared statements
The refcounting of driver Conns was completedly busted and
would leak (be held open forever) with any reasonable
load. This was a significant regression from Go 1.0.

The core of this patch is removing one line:

     s.db.addDep(dc, s)

A database conn (dc) is a resource that be re-created any time
(but cached for speed) should not be held open forever with a
dependency refcount just because the Stmt (s) is alive (which
typically last for long periods of time, like forever).

The meat of the patch is new tests. In fixing the real issue,
a lot of tests then failed due to the fakedb_test.go's paranoia
about closing a fakeConn while it has open fakeStmts on it. I
could've ignored that, but that's been a problem in the past for
other bugs.

Instead, I now track per-Conn open statements and close them
when the the conn closes.  The proper way to do this would've
been making *driverStmt a finalCloser and using the dep mechanism,
but it was much more invasive. Added a TODO instead.

I'd like to give a way for drivers to opt-out of caring about
driver.Stmt closes before a driver.Conn close, but that's a TODO
for the future, and that TODO is added in this CL.

I know this is very late for Go 1.1, but database/sql is
currently nearly useless without this.

I'd like to believe all these database/sql bugs in the past
release cycle are the result of increased usage, number of
drivers, and good feedback from increasingly-capable Go
developers, and not the result of me sucking.  It's also hard
with all the real drivers being out-of-tree, so I'm having to
add more and more hooks to fakedb_test.go to simulate things
which real drivers end up doing.

Fixes #5323

R=golang-dev, snaury, gwenn.kahz, google, r
CC=golang-dev
https://golang.org/cl/8836045
2013-04-25 14:45:56 -07:00
Jan Ziak
13cbf41a7f cmd/gc: initialize t->width in dgcsym() if required
Update #5291.

R=golang-dev, daniel.morsing, iant, r
CC=golang-dev
https://golang.org/cl/8663052
2013-04-25 18:47:12 +02:00
Jan Ziak
db1c218d4f undo CL 8954044 / ad3c2ffb16d7
It works on i386, but fails on amd64 and arm.

««« original CL description
runtime: prevent the GC from seeing the content of a frame in runfinq()

Fixes #5348.

R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/8954044
»»»

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8695051
2013-04-25 18:12:09 +02:00
Jan Ziak
e9bbe3a8da runtime: prevent the GC from seeing the content of a frame in runfinq()
Fixes #5348.

R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/8954044
2013-04-25 13:39:09 +02:00
Mikio Hara
2bd17bca07 net: deflake raw IP protocol entry test on Windows
Update #5344

R=golang-dev, dave, r, alex.brainman
CC=golang-dev
https://golang.org/cl/8934043
2013-04-25 13:23:24 +09:00
Rob Pike
2c5e477f48 cmd/vet: clean up the test
- clean up the notypes version of the test so it's quiet
- change the package in the buildtag test to avoid confusing godoc

R=golang-dev, minux.ma, bradfitz
CC=golang-dev
https://golang.org/cl/8671049
2013-04-24 10:40:29 -07:00
Ian Lance Taylor
578dc3a96c cmd/5g, cmd/6g, cmd/8g: more nil ptr to large struct checks
R=r, ken, khr, daniel.morsing
CC=dsymonds, golang-dev, rickyz
https://golang.org/cl/8925043
2013-04-24 08:13:01 -07:00
Mikio Hara
73417e4098 net: add missing File method document
R=golang-dev, bradfitz, r
CC=golang-dev
https://golang.org/cl/8698049
2013-04-24 08:32:11 +09:00
Anthony Martin
d33f09bcc0 cmd/dist: fix line numbers in goc2c generated files
We have to reset the global lineno variable before
processing each file otherwise line numbers will be
offset by the number of lines in the previous file.

The following examples are from the beginning of the
ztime_linux_amd64.c file which is generated from
time.goc in the runtime package.

Before:
    #line 2483 "/home/apm/src/go/src/pkg/runtime/time.goc"
    static Timers timers;
    static void addtimer ( Timer* ) ;
    void
    time·Sleep(int64 ns)
    {
    #line 2492 "/home/apm/src/go/src/pkg/runtime/time.goc"

After:
    #line 16 "/home/apm/src/go/src/pkg/runtime/time.goc"
    static Timers timers;
    static void addtimer ( Timer* ) ;
    void
    time·Sleep(int64 ns)
    {
    #line 25 "/home/apm/src/go/src/pkg/runtime/time.goc"

R=golang-dev, minux.ma, iant, r, adg
CC=golang-dev
https://golang.org/cl/8653045
2013-04-23 16:02:50 -07:00
Shenghou Ma
7bec1a6033 all: fix typos
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8896045
2013-04-24 04:46:14 +08:00
Oling Cat
e680710d0e doc/code.html: remove doubled word; modify the tab to space.
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8919043
2013-04-23 13:13:51 -07:00
Jeremy Jackins
2dd0c03427 doc: fix typo in race_detector.html
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8625044
2013-04-23 13:11:58 -07:00
Shenghou Ma
ed19ab47c3 doc/effective_go.html: fix syntax error in code example
Fixes #5333.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/8698046
2013-04-24 03:51:31 +08:00
Mikio Hara
3828316b9f net: fix protocol number for IPv6 test
The protocol number of ICMP for IPv6 is 58, not 1.

R=golang-dev, iant, r
CC=golang-dev
https://golang.org/cl/8663048
2013-04-23 20:30:42 +09:00
Christian Himpel
237cee7834 time: fix typo in comment
R=r
CC=golang-dev
https://golang.org/cl/8889045
2013-04-22 22:09:11 -07:00
Rob Pike
05e8db985a lib/time: update to IANA 2013c
This should do it for the release.
There was a new data set pushed out a couple of days ago.

Fixes #4553.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8621044
2013-04-22 16:28:42 -07:00
Rob Pike
14234c23a8 time: fix typo in comment
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8915043
2013-04-22 15:41:06 -07:00
Shenghou Ma
8c72b81132 misc/cgo/testso: enable test on windows
Depends on CL 8715043 and CL 8676050.
Fixes #5273.

R=alex.brainman, r
CC=gobot, golang-dev
https://golang.org/cl/8764043
2013-04-23 04:42:04 +08:00
Rob Pike
c285789059 time: improve the explanation of the working of Format and Parse
Change the term 'standard time', which already means something,
to 'reference time', and add a couple of sentences and clarifications.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8799047
2013-04-22 11:36:17 -07:00
Brad Fitzpatrick
61ed384a96 net/http: make CloseNotifier channel buffered to not leak goroutines
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8911044
2013-04-22 10:32:10 -07:00
Andrew Gerrand
994c486aa9 doc: fix typo in Effective Go
Fixes #5329.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8897044
2013-04-22 16:57:23 +02:00
Jonathan Rudenberg
b0cd458605 doc: add missing <code> to go1.1.html
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/8880043
2013-04-21 13:10:19 +02:00
Brad Fitzpatrick
c546e9d2c2 api: update next.txt; add io.ErrNoProgress
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8887043
2013-04-20 17:20:58 -07:00
Brad Fitzpatrick
4b091c533e sort: don't depend on math
No reason to pull in math just for x != x.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8886043
2013-04-20 17:20:41 -07:00
Brad Fitzpatrick
8b29f158ad net/http: fix a panic in Redirect
R=golang-dev, dsymonds, r
CC=golang-dev
https://golang.org/cl/8721045
2013-04-20 17:20:14 -07:00
Alex Brainman
782a57811f cmd/ld: do not relocate ignored PE sections
This should have been part of CL8715043.

Update #5106

R=golang-dev, r, iant
CC=golang-dev
https://golang.org/cl/8676050
2013-04-20 17:42:14 +10:00
Mikio Hara
41451dd92b net: enable test for runtime.PollDesc leak
Update #5219.

R=golang-dev, dvyukov, r
CC=golang-dev
https://golang.org/cl/8602047
2013-04-20 09:04:20 +09:00
Brad Fitzpatrick
10cdb92000 doc: fix another broken link
Fixes #5316

R=golang-dev, r, minux.ma
CC=golang-dev
https://golang.org/cl/8871043
2013-04-19 12:00:40 -07:00
Shenghou Ma
0c2b980c49 cmd/ld: don't show cursym in gcc invocation failure message
before:
fmt.statictmp_0731:/usr/local/go/pkg/tool/linux_amd64/6l: running gcc failed: unsuccessful exit status 0x100
now:
/usr/local/go/pkg/tool/linux_amd64/6l: running gcc failed: unsuccessful exit status 0x100

R=golang-dev, iant, r
CC=golang-dev
https://golang.org/cl/8827045
2013-04-20 02:44:16 +08:00
Rob Pike
591d4a47ae bufio.Scan: don't stop after Read returns 0, nil
But stop eventually if the reader misbehaves.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8757045
2013-04-18 17:37:21 -07:00
Rob Pike
1f4055a0ec doc/go1.1.html: document io.ErrNoProgress
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8833050
2013-04-18 17:37:09 -07:00
Rob Pike
5fbb54eaca io: explain what (0,nil) means from Read
Also add a new variable ErrNoProgress that io.Readers can use to
report ineffectual Read calls.
Fixes #5310.

R=golang-dev, dsymonds, bradfitz
CC=golang-dev
https://golang.org/cl/8845043
2013-04-18 17:36:25 -07:00
Brad Fitzpatrick
db6ddff842 doc: fix another broken link
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8763045
2013-04-18 14:48:54 -07:00
Robert Griesemer
8457afbe00 builtin: document true and false.
Fixes #5315.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8841048
2013-04-18 14:36:08 -07:00
Brad Fitzpatrick
12566a60d7 doc: misc tweaks, new links, fix broken links
I read docs and wrote a crawler + link checker on the plane,
which also checks for #fragments. I'll send that out later
when it's less gross.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8729050
2013-04-18 12:43:23 -07:00
Dave Cheney
de2fcae372 misc/dashboard/builder: always do a native build
https://golang.org/cl/8134043 disabled cgo when cross compiling, this means builders which compile for both amd64 and 386 will be compiling the latter with cgo disabled.

This proposal modifies the builder to mirror the dist tool by always doing a native build.

Tested on my darwin/amd64 builder and confirmed the result when building darwin/386 is a native 386 build with cgo enabled.

R=bradfitz, dsymonds, r, adg
CC=golang-dev
https://golang.org/cl/8842044
2013-04-18 16:42:56 +10:00