Commit Graph

12558 Commits

Author SHA1 Message Date
Shenghou Ma 35e1deaebf cmd/5l: use BLX for BL (Rx).
Fixes #5111.
Update #4718
This CL makes BL (Rx) to use BLX Rx instead of:
MOV LR, PC
MOV PC, Rx

R=cshapiro, rsc
CC=dave, gobot, golang-dev
https://golang.org/cl/9669045
2013-06-11 03:04:24 +08:00
Dmitriy Vyukov fd41926347 runtime: fix one-time memory leak on linux
Update #5641.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10144043
2013-06-10 22:59:39 +04:00
Dmitriy Vyukov 62747bde6c runtime: catch races between channel close and channel send in select
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10137043
2013-06-10 22:58:04 +04:00
Shenghou Ma 06f55f5009 net: introduce netgo build tag to build a pure Go net package.
Fixes #4078.

R=golang-dev, bradfitz, rsc, iant
CC=golang-dev
https://golang.org/cl/7100050
2013-06-11 02:55:16 +08:00
Shenghou Ma b637135003 cmd/cgo: makes clang happy by not using __gcc_struct__ attribute.
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10150043
2013-06-11 02:51:01 +08:00
Shenghou Ma 46e30c7d70 syscall: add {Set,Get}priority for Linux, and consistency tests
R=golang-dev, iant, bradfitz, dave
CC=golang-dev
https://golang.org/cl/7430044
2013-06-11 02:47:04 +08:00
Dmitriy Vyukov fc80764792 runtime/race: tell race detector what memory Read/Write syscalls touch
Fixes #5567.

R=golang-dev, dave, iant
CC=golang-dev
https://golang.org/cl/10085043
2013-06-10 22:40:35 +04:00
Dmitriy Vyukov 0f4897ae1a sync: improve race instrumentation of WaitGroup
Do not synchronize Add(1) with Wait().
Imitate read on first Add(1) and write on Wait(),
it allows to catch common misuses of WaitGroup:
- Add() called in the additional goroutine itself
- incorrect reuse of WaitGroup with multiple waiters

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10093044
2013-06-10 22:38:58 +04:00
Shenghou Ma ed6dce6f9d cmd/5l: use guaranteed undefined instruction for UNDEF to match [68]l.
R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/10085050
2013-06-11 02:02:42 +08:00
Alex Brainman bb6e265fed os: return io.EOF from windows ReadAt as documented
Fixes #5619.

R=golang-dev, r, peter.armitage, go.peter.90
CC=golang-dev
https://golang.org/cl/9952044
2013-06-10 19:14:41 +10:00
Dmitriy Vyukov 4f514e8691 runtime: use persistentalloc instead of SysAlloc in FixAlloc
Also reduce FixAlloc allocation granulatiry from 128k to 16k,
small programs do not need that much memory for MCache's and MSpan's.

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/10140044
2013-06-10 09:20:27 +04:00
Dmitriy Vyukov 83445fdcc3 runtime: use persistentalloc instead of mallocgc in symtab
Reduces heap size.

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/10140043
2013-06-10 09:17:46 +04:00
Dmitriy Vyukov 99922aba8b runtime: use persistentalloc instead of SysAlloc in GC
Especially important for Windows because it reserves VM
only in multiple of 64k.

R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/10082048
2013-06-10 09:16:06 +04:00
Dmitriy Vyukov b36f2db12a runtime: use persistentalloc instead of mallocgc for itab
Reduces heap size.

R=golang-dev, remyoudompheng, bradfitz
CC=golang-dev
https://golang.org/cl/10139043
2013-06-09 21:58:35 +04:00
Dmitriy Vyukov 5290e55164 runtime: use persistentalloc instead of SysAlloc in netpoll
Especially important for Windows because it reserves VM
only in multiple of 64k.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10138043
2013-06-09 21:39:47 +04:00
Dmitriy Vyukov 8cf7044983 runtime: use persistentalloc instead of custom malloc in memory profiler
Removes code duplication.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/9874055
2013-06-09 21:38:37 +04:00
Shenghou Ma 949228a322 cmd/cgo: use gcc_struct attribute for packed structs to work around GCC PR52991.
Fixes #5603.

R=iant, dave
CC=gobot, golang-dev
https://golang.org/cl/9895043
2013-06-09 22:06:29 +08:00
Shenghou Ma e880ab112e runtime: remove unused file mkversion.c
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10107044
2013-06-09 22:04:17 +08:00
Shenghou Ma faef52c214 all: fix typos
R=golang-dev, bradfitz, khr, r
CC=golang-dev
https://golang.org/cl/7461046
2013-06-09 21:50:24 +08:00
Roger Peppe 822da40814 cmd/go: update go vet documentation
R=rsc, minux.ma, r
CC=golang-dev
https://golang.org/cl/10110043
2013-06-07 19:01:07 +01:00
Ian Lance Taylor b6e52ecffa runtime: remove unused mid function
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/10036047
2013-06-06 18:10:42 -07:00
Dmitriy Vyukov 8bf57c3dcb runtime: remove unused field from Hchan
Remove alignment logic as well, it's not respected by chanbuf() anyway.

R=golang-dev, dave, minux.ma, r, iant, rsc
CC=golang-dev
https://golang.org/cl/9678046
2013-06-06 23:06:12 +04:00
Dmitriy Vyukov 5d637b83a9 runtime: speedup malloc stats collection
Count only number of frees, everything else is derivable
and does not need to be counted on every malloc.
benchmark                    old ns/op    new ns/op    delta
BenchmarkMalloc8                    68           66   -3.07%
BenchmarkMalloc16                   75           70   -6.48%
BenchmarkMallocTypeInfo8           102           97   -4.80%
BenchmarkMallocTypeInfo16          108          105   -2.78%

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/9776043
2013-06-06 14:56:50 +04:00
Alex Brainman 07ea243d50 time: provide timezone abbreviations on windows
Use http://unicode.org/cldr/data/common/supplemental/windowsZones.xml
to generate the map.

Fixes #4838.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/9997043
2013-06-06 16:30:25 +10:00
Robert Obryk 9614119007 io/ioutil: make WriteFile notice errors from Close()
WriteFile should not successfully return if the file's
Close call failed.

Fixes #5644.

R=golang-dev, kr, r
CC=golang-dev
https://golang.org/cl/10067043
2013-06-05 21:16:44 -07:00
Russ Cox f268c295a3 cmd/6c: use full 64-bit address in block copy
Already fixed independently in Plan 9.

R=ken2
CC=golang-dev
https://golang.org/cl/10041044
2013-06-05 10:39:06 -04:00
Russ Cox 26d43a0f22 cmd/6l: accept NOP of $x+10(SP) and of X0
Needed to link code compiled with 6c -N.

R=ken2
CC=golang-dev
https://golang.org/cl/10043044
2013-06-05 10:38:52 -04:00
Russ Cox 528534c1d4 runtime: fix comments (g->gobuf became g->sched long ago)
Should reduce size of CL 9868044.

R=golang-dev, ality
CC=golang-dev
https://golang.org/cl/10045043
2013-06-05 07:16:53 -04:00
Russ Cox f032eefdb0 cmd/cgo, cmd/go, go/build: sort flag lists
CFLAGS comes before CPPFLAGS.
Also fix one typo CPPCFLAGS.

Cleanup for CL 8248043.

R=golang-dev, iant, alberto.garcia.hierro
CC=golang-dev
https://golang.org/cl/9965045
2013-06-05 07:14:05 -04:00
Anthony Martin 5567592c07 mime: add support for Plan 9
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10028043
2013-06-04 17:30:45 -07:00
Nigel Tao 427bec62b5 image/jpeg: avoid documentation argument over whether it's luma
subsampling or chroma subsampling.

Fixes #5569.

R=r
CC=golang-dev
https://golang.org/cl/9900044
2013-06-05 10:18:06 +10:00
Anthony Martin cdfbe00d91 runtime: fix description of SysAlloc
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10010046
2013-06-04 17:12:29 -07:00
Adam Langley 2112fed743 crypto/tls: support TLS 1.1.
The significant change between TLS 1.0 and 1.1 is the addition of an explicit IV in the case of CBC encrypted records. Support for TLS 1.1 is needed in order to support TLS 1.2.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7880043
2013-06-04 20:02:22 -04:00
Adam Langley eec014de66 encoding/asn1: harmonise error prefixes.
This change ensures that error messages always start with "asn1: ".

R=golang-dev, gedimitr
CC=golang-dev
https://golang.org/cl/9751043
2013-06-04 19:51:26 -04:00
Anthony Martin 781b2a2519 cmd/cc: support 21-bit runes in wide string constants
Changeset 7557a627e9b5 added a temporary stop-gap to silence
a print format warning for %S. This has been reverted.

None of this code is original. It was copied from the latest
Plan 9 compilers.

R=golang-dev, r, rsc
CC=golang-dev
https://golang.org/cl/8630044
2013-06-04 16:30:55 -07:00
Carl Shapiro acd887ba57 cmd/5g, cmd/6g, cmd/8g: remove prototypes for proglist
Each of the backends has two prototypes for this function but
no corresponding definition.

R=golang-dev, bradfitz, khr
CC=golang-dev
https://golang.org/cl/9930045
2013-06-04 16:22:59 -07:00
Anthony Martin 2449909d81 cmd/5c, cmd/6c, cmd/8c: isolate textflag and dataflag
Fixes #5419.

R=golang-dev, dave, minux.ma, rsc
CC=golang-dev
https://golang.org/cl/9241044
2013-06-04 15:18:02 -07:00
Anthony Martin 251baea1af cmd/ld: fix gcdata and gcbss symbols
These two symbols don't show up in the Go symbol table
since they're defined in dodata which is called sometime
after symtab. They do, however, show up in the ELF symbol
table.

This regression was introduced in changeset 01c40d533367.

Also, remove the corresponding strings from the ELF strtab
section now that they're unused.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/8650043
2013-06-04 07:07:22 -07:00
Ian Lance Taylor 941db1ed39 encoding/gob: consistently use unsafe.Pointer for pointer values
Fixes #5621.

R=golang-dev, cshapiro, r, fullung
CC=golang-dev
https://golang.org/cl/9988043
2013-06-04 06:20:57 -07:00
Rémy Oudompheng 2c0b00744f cmd/6c, cmd/8c: avoid generating long multiplication when not necessary.
On amd64
benchmark                        old ns/op    new ns/op    delta
BenchmarkHashStringSpeed                91           74  -18.49%
BenchmarkHashInt32Speed                 54           45  -17.88%
BenchmarkHashInt64Speed                 76           58  -23.53%
BenchmarkHashStringArraySpeed          231          188  -18.61%

Fixes #5367.

R=golang-dev, iant, dave, daniel.morsing, ality, rsc
CC=golang-dev
https://golang.org/cl/9040043
2013-06-04 08:33:00 +02:00
Rémy Oudompheng 62891fb811 cmd/gc: fix missing slice/array types in export data.
Fixes #5614.

R=golang-dev
CC=golang-dev
https://golang.org/cl/9953044
2013-06-04 08:18:36 +02:00
Alex Brainman 9bc0eaf60e runtime: update defs_windows_*.h files
New version of cmd/cgo from
https://golang.org/cl/9574043/
is used to regenerate these.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/9679046
2013-06-04 12:50:40 +10:00
Russ Cox fa4a9ff764 cmd/ld, runtime: clean up CL 9666047
Remove unnecessary ( ) around == in && clause.
Add { } around multiline if body, even though it's one statement.

Add runtime: prefix to printed errors.

R=cshapiro, iant
CC=golang-dev
https://golang.org/cl/9685047
2013-06-03 16:44:35 -04:00
Rob Pike 59fb90ac85 cmd/go: document flag passing for tests
Fixes #5566.

R=rsc
CC=gobot, golang-dev
https://golang.org/cl/9882043
2013-06-03 16:39:42 -04:00
Rémy Oudompheng 394706b646 compress/bzip2: faster decoding.
benchmark                old ns/op    new ns/op    delta
BenchmarkDecodeDigits     19451173     14347829  -26.24%
BenchmarkDecodeTwain      57516800     42619978  -25.90%

benchmark                 old MB/s     new MB/s  speedup
BenchmarkDecodeDigits         2.22         3.01    1.36x
BenchmarkDecodeTwain          2.17         2.93    1.35x

R=golang-dev, dave, bradfitz, agl
CC=golang-dev
https://golang.org/cl/9915043
2013-06-03 20:38:00 +02:00
Dmitriy Vyukov 4a8ef1f65d runtime: disable preemption in several scheduler functions
Required for preemptive scheduler, see the comments for details.

R=golang-dev, khr, iant, khr
CC=golang-dev
https://golang.org/cl/9740051
2013-06-03 14:40:38 +04:00
Dmitriy Vyukov 354ec51666 runtime: introduce preemption function (not used for now)
This is part of preemptive scheduler.

R=golang-dev, cshapiro, iant
CC=golang-dev
https://golang.org/cl/9843046
2013-06-03 13:20:17 +04:00
Dmitriy Vyukov f5becf4233 runtime: add stackguard0 to G
This is part of preemptive scheduler.
stackguard0 is checked in split stack checks and can be set to StackPreempt.
stackguard is not set to StackPreempt (holds the original value).

R=golang-dev, daniel.morsing, iant
CC=golang-dev
https://golang.org/cl/9875043
2013-06-03 12:28:24 +04:00
Rémy Oudompheng 0d0d57ccfe cmd/gc: do not corrupt init() with initializers of _ in closures.
Fixes #5607.

R=golang-dev, daniel.morsing, r, dsymonds
CC=golang-dev
https://golang.org/cl/9952043
2013-06-02 23:54:34 +02:00
Shenghou Ma 5b097e7951 cmd/cgo: using __typeof__(a->r) instead of putting invalid TYPE in "a->r = (const TYPE)"
Thanks kballard for the hint.
Fixes #4857.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/9649045
2013-06-02 22:46:53 +08:00