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21940 Commits

Author SHA1 Message Date
Nigel Tao
84c7a6583a image: change Rectangle.Eq to return true for all empty rectangles, even
if their nominal Min and Max points differ.

This is a behavior change, but arguably a bug fix, as Eq wasn't
previously consistent with In, and the concept of a rectangle being a
set of points. This is demonstrated by the new geom_test.go test.

It does mean that r.Eq(s) no longer implies that Inset'ting both r and s
with a negative inset results in two rectangles that are still Eq, but
that seems acceptable to me.

The previous behavior is still available as "r == s".

Also clarify the image.Rect doc comment when the inputs are
non-canonical.

Also simplify the Point and Rectangle Eq implementations dating from
before Go 1.0, when you couldn't compare structs via the == operator.

Change-Id: Ic39e628db31dc5fe5220f4b444e6d5000eeace5b
Reviewed-on: https://go-review.googlesource.com/5006
Reviewed-by: Rob Pike <r@golang.org>
2015-02-18 23:50:09 +00:00
Brad Fitzpatrick
bbf38e931a doc: add cgi change go1.5.txt
Change-Id: I829529929906d4758c7ba10d356c251b44e35a8d
Reviewed-on: https://go-review.googlesource.com/5190
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-02-18 19:59:56 +00:00
Alex Sergeyev
eaf8e8cbe5 net/http/cgi: fix REMOTE_ADDR, REMOTE_HOST, add REMOTE_PORT
Env vars were incorrectly copying whole value of http.RemoteAddr
to REMOTE_ADDR and REMOTE_HOST. They contained IP:port pair which
instead should only have IP (RFC 3875, other sources).

Module also was not setting REMOTE_PORT variable which become de-facto
standard for passing TCP client port to CGI scripts (Apache mod_cgi,
IIS, and probably others)

Fixes #9861

Change-Id: Ia73e664c48539e3c7db4997d09d957884e98d8a5
Reviewed-on: https://go-review.googlesource.com/4933
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-02-18 19:56:50 +00:00
David Crawshaw
b2c2bc4856 crypto/x509: embed certificates on darwin/arm
Change-Id: Ia6b06f19e5ac424f01a1b90b78b507363b0c4577
Reviewed-on: https://go-review.googlesource.com/5061
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2015-02-18 14:19:17 +00:00
David du Colombier
2bcfe8b935 cmd/gc: replace NULL by nil
In CL 3964, NULL was used instead of nil.
However, Plan 9 doesn't declare NULL.

Change-Id: Ied3850aca5c8bca5974105129a37d575df33f6ec
Reviewed-on: https://go-review.googlesource.com/5150
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-18 07:49:04 +00:00
Dmitry Vyukov
3a0fbfab57 cmd/gc: generate simpler names for closures
Fixes #8291

There were several complaints about closure names in the issue tracker.
The first problem is that you see names like net/http.func·001
in profiles, traces, etc. And there is no way to figure out what
is that function.
Another issue is non-US-ascii symbols. All programs out there
should accept UTF-8. But unfortunately it is not true in reality.
For example, less does not render middle dot properly.

This change prepends outer function name to closure name and
replaces middle dot with dot. Now names look like:

main.glob.func1
main.glob.func2
main.glob.func2.1
main.init.1
main.init.1.func1
main.init.1.func1.1
main.main.func1
main.main.func1.1

Change-Id: I725726af88f2ad3ced2e3450f0f06bf459fd91c0
Reviewed-on: https://go-review.googlesource.com/3964
Reviewed-by: Russ Cox <rsc@golang.org>
2015-02-18 07:09:50 +00:00
Andrew Gerrand
3ad906b208 doc: document Go 1.4.2
Change-Id: Ia87047cbc720fb03d2f67aec48abe18bce8dbf78
Reviewed-on: https://go-review.googlesource.com/5112
Reviewed-by: Russ Cox <rsc@golang.org>
2015-02-18 03:29:47 +00:00
Nigel Tao
391805b14b image/draw: add CMYK fast path.
Change-Id: I9582aff7ca141a8aead5692af74b9c708b1700cc
Reviewed-on: https://go-review.googlesource.com/5020
Reviewed-by: Rob Pike <r@golang.org>
2015-02-17 23:17:12 +00:00
Austin Clements
1ab55a3f04 runtime: fix runtime-gdb_test on arm
Apparently when ARM stops at a GDB breakpoint, it appears to be in
syscall.Syscall.  The "info goroutines" test expected it to be in a
runtime function.  Since this isn't fundamental to the test, simply
tweak the test's regexp to make sure "info goroutines" prints some
running goroutine with an active M, but don't require it to be in any
particular function.

Change-Id: Iba2618b46d3dc49cef62ffb72484b83ea7b0317d
Reviewed-on: https://go-review.googlesource.com/5060
Reviewed-by: Dave Cheney <dave@cheney.net>
2015-02-17 20:10:31 +00:00
Austin Clements
8ed95a942c runtime: rename gcwork.go to mgcwork.go
All of the other memory-related source files start with "m".  Keep up
the tradition.

Change-Id: Idd88fdbf2a1453374fa12109b949b1c4d149a4f8
Reviewed-on: https://go-review.googlesource.com/4853
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-17 18:42:41 +00:00
Austin Clements
98651d6edf runtime: in runtime-gdb.py, use SliceValue wrapper
Rather than reaching in to slices directly in the slice pretty
printer, use the newly introduced SliceValue wrapper.

Change-Id: Ibb25f8c618c2ffb3fe1a8dd044bb9a6a085df5b7
Reviewed-on: https://go-review.googlesource.com/4936
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-17 18:41:10 +00:00
Austin Clements
545686857b runtime: fix GDB "info goroutines" for Go 1.5
"info goroutines" is failing because it hasn't kept up with changes in
the 1.5 runtime.  This fixes three issues preventing "info goroutines"
from working.  allg is no longer a linked list, so switch to using the
allgs slice.  The g struct's 'status' field is now called
'atomicstatus', so rename uses of 'status'.  Finally, this was trying
to parse str(pc) as an int, but str(pc) can return symbolic
information after the raw hex value; fix this by stripping everything
after the first space.

This also adds a test for "info goroutines" to runtime-gdb_test, which
was previously quite skeletal.

Change-Id: I8ad83ee8640891cdd88ecd28dad31ed9b5833b7a
Reviewed-on: https://go-review.googlesource.com/4935
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-17 18:41:01 +00:00
Ivan Ukhov
277eddb8f2 math: change Nextafter64 to Nextafter in the description of Nextafter
Change-Id: I3419d6247fbff36aa1ed5451bb3cfb7502c3d07e
Reviewed-on: https://go-review.googlesource.com/5030
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-02-17 14:29:18 +00:00
David Crawshaw
04774336b1 cmd/go: skip stat check when using -toolexec
Change-Id: Idc88b1ee950e33cfe757a27e9a3383d879793af7
Reviewed-on: https://go-review.googlesource.com/4934
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-02-17 12:21:45 +00:00
Alex Brainman
f20826692b syscall: make mksyscall_windows.go to work even when output does not uses unsafe package
Fixes #9900

Change-Id: I5dd401e8d2040e84ccb97c2fe9f5c5a28095b538
Reviewed-on: https://go-review.googlesource.com/5005
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-17 08:31:38 +00:00
Yasuhiro Matsumoto
d866cd6817 all: fix typo in doc
Change-Id: I89fdda2914030dfea3183a8b4681dd4b33489729
Reviewed-on: https://go-review.googlesource.com/4996
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-17 04:37:18 +00:00
Nigel Tao
5c8f9e38eb image: fix Rectangle.Overlaps and Rectangle.Union for empty rectangles.
Fixes #9895.

Change-Id: I37d78ced9ff8196e32d299504908a1c41ad4592d
Reviewed-on: https://go-review.googlesource.com/4990
Reviewed-by: Rob Pike <r@golang.org>
2015-02-17 03:40:33 +00:00
mattn
38be309dcf os: fix typo in doc
Change-Id: I9797b44dfa7c2c853b7a656f4f722df2c862824b
Reviewed-on: https://go-review.googlesource.com/4991
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-02-17 00:21:02 +00:00
Nigel Tao
37a61746ee image/draw: add CMYK test.
This just adds test cases. Optimizing CMYK draws will be a follow-up
change.

Change-Id: Ic0d6343d420cd021e21f88623ad7182e93017da9
Reviewed-on: https://go-review.googlesource.com/4941
Reviewed-by: Rob Pike <r@golang.org>
2015-02-17 00:08:47 +00:00
Aaron Jacobs
490af4fd83 unicode: Fixed an out of date comment (MaxLatin1, not Latin1Max).
Change-Id: I3ca878e9685f650a9ff02aaac0e2e3cca89634c6
Reviewed-on: https://go-review.googlesource.com/4970
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-16 21:35:33 +00:00
Michael MacInnis
a25e40df47 doc: Add reminder to go1.5.txt for os/signal changes
Document addition of Ignore and Reset: https://golang.org/cl/3580

Change-Id: I33aac149cd1921b87f887028c0365ba0ab9adb02
Reviewed-on: https://go-review.googlesource.com/4980
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-16 21:35:17 +00:00
Mikio Hara
18f273ff92 cmd/dist: don't use "uname -v" to recognize GOHOSTARCH
We can use processor architecture or hardware platform as part of
hostname and it leads to misconfiguration of GOHOSARCH.

For example,

$ uname -m -v
FreeBSD 10.1-RELEASE-p5 #0: Tue Jan 27 08:52:50 UTC 2015 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386

Change-Id: I499efd98338beff6a27c03f03273331ecb6fd698
Reviewed-on: https://go-review.googlesource.com/4944
Reviewed-by: Minux Ma <minux@golang.org>
2015-02-16 18:58:34 +00:00
Michael MacInnis
194ad16b83 os/signal: add ability to ignore signals and restore initial signal handlers
There is currently no way to ignore signals using the os/signal package.
It is possible to catch a signal and do nothing but this is not the same
as ignoring it. The new function Ignore allows a set of signals to be
ignored. The new function Reset allows the initial handlers for a set of
signals to be restored.

Fixes #5572

Change-Id: I5c0f07956971e3a9ff9b9d9631e6e3a08c20df15
Reviewed-on: https://go-review.googlesource.com/3580
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-02-16 14:23:09 +00:00
Nigel Tao
10a4696fb8 image/jpeg: remove the (temporary) dependency on image/draw.
Change-Id: Idd66f9c3c9eaa4ff1f950fb90e4800dc625dec08
Reviewed-on: https://go-review.googlesource.com/4916
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2015-02-16 04:37:15 +00:00
Matthew Dempsky
7b36227002 runtime: remove C-style strcmp and strncmp helpers
Change-Id: I4aa23e3a0e765651c91907507a0194fd528b6223
Reviewed-on: https://go-review.googlesource.com/4662
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-02-16 04:07:19 +00:00
Nigel Tao
f10e03770c image/jpeg: support decoding CMYK and YCbCrK images.
The new testdata was created by:

convert video-001.png -colorspace cmyk video-001.cmyk.jpeg

video-001.cmyk.jpeg was then converted back to video-001.cmyk.png via
the GIMP. ImageMagick (convert) wasn't used for this second conversion
because IM's default color profiles complicates things.

Fixes #4500.

Change-Id: Ibf533f6a6c7e76883acc493ce3a4289d7875df3f
Reviewed-on: https://go-review.googlesource.com/4801
Reviewed-by: Rob Pike <r@golang.org>
2015-02-16 00:25:47 +00:00
Nigel Tao
b5c3a9e572 image: add image.CMYK and color.CMYK types.
Change-Id: Icf212a4b890725c803b16e76e1a88294b8b62cb8
Reviewed-on: https://go-review.googlesource.com/4800
Reviewed-by: Rob Pike <r@golang.org>
2015-02-16 00:08:49 +00:00
Robert Griesemer
61c9c3ddc4 math/big: implement fast path in Float.SetRat if argument is integer
Change-Id: Ib82500e198b86e9fade278c7eea7a4b0c6b0b2e1
Reviewed-on: https://go-review.googlesource.com/4921
Reviewed-by: Rob Pike <r@golang.org>
2015-02-15 20:11:00 +00:00
Dmitry Vyukov
52dadc1f31 cmd/gc: fix noscan maps
Change 85e7bee introduced a bug:
it marks map buckets as noscan when key and val do not contain pointers.
However, buckets with large/outline key or val do contain pointers.

This change takes key/val size into consideration when
marking buckets as noscan.

Change-Id: I7172a0df482657be39faa59e2579dd9f209cb54d
Reviewed-on: https://go-review.googlesource.com/4901
Reviewed-by: Keith Randall <khr@golang.org>
2015-02-15 08:52:14 +00:00
Robert Griesemer
2dd7a6d41f math/big: always round after the sign is set
Some rounding modes are affected by the sign of the value to
be rounded. Make sure the sign is set before round is called.
Added tests (that failed before the fix).

Change-Id: Idd09b8fcbab89894fede0b9bc922cda5ddc87930
Reviewed-on: https://go-review.googlesource.com/4876
Reviewed-by: Rob Pike <r@golang.org>
2015-02-15 05:14:05 +00:00
Shenghou Ma
7aa68756c5 doc/asm: document that assembly function must use short name
e.g. ·Name instead of package·Name for automatic stack map to
be applied from its Go prototype.

The underlying reason is that liblink look up name with suffix
".args_stackmap" for the stackmap coming from its Go prototype,
but all the Go functions are named "".Name as this stage. Thus
an assembly function named package·Name will never find its
stackmap, which is named "".package.Name.args_stackmap.

Perhaps cmd/vet should give a warning for this.

Change-Id: I10d154a73ec969d574d20af877f747424350fbd1
Reviewed-on: https://go-review.googlesource.com/2588
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-02-15 00:07:11 +00:00
Shenghou Ma
788f78ad08 cmd/go: remove script and script.txt
Fixes #9824.

Change-Id: Id318c61b6884e4fd294f7b0946dcc306f746ee0a
Reviewed-on: https://go-review.googlesource.com/4891
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-02-14 20:07:08 +00:00
Ian Lance Taylor
5aa448ff8c test: add test case for issue 4365
This is an update of http://golang.org/cl/151410043 by Tim Shen.

Change-Id: I43ab7fcedd785059c535f45a3c8cdb7b618c1499
Reviewed-on: https://go-review.googlesource.com/4873
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-02-14 16:02:10 +00:00
Robert Griesemer
b7bfb54eaa math/big: fix aliasing bug in Float.Quo
TBR r, adonovan

Change-Id: I1a38e2d724bf1147c7307a7e5ae855c42c60428c
Reviewed-on: https://go-review.googlesource.com/4875
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-02-14 04:22:56 +00:00
Robert Griesemer
a809dc7adb math/big: don't scan past a binary exponent if not accepted syntactically
TBR adonovan

Change-Id: I842cbc855dbd560f65e76c9a557dff1a22c5d610
Reviewed-on: https://go-review.googlesource.com/4882
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-02-14 01:01:19 +00:00
Robert Griesemer
ccdbfe3174 math/big: only permit bases 2, 10, 16 when scanning number w/ "decimal" point
TBR adonovan

Change-Id: I4fd694101c2cf1c0c39bf73d16cab18502742dd9
Reviewed-on: https://go-review.googlesource.com/4881
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-02-14 01:00:30 +00:00
Robert Griesemer
2e3c738649 math/big: remove Float.Round (not needed anymore), fix a bug in SetInt64
TBR adonovan

Change-Id: I30020f39be9183b37275e10a4fd1e1a3b4c48c89
Reviewed-on: https://go-review.googlesource.com/4880
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-02-14 00:43:07 +00:00
Robert Griesemer
df218d3393 math/big: implement/rename accessors for precision and rounding mode
Also: remove NewFloat - not needed anymore. Work-around for places
where has been used so far:

NewFloat(x, prec, mode) === new(Float).SetMode(mode).SetPrec(prec).SetFloat64(x)

However, if mode == ToNearestEven, SetMode is not needed. SetPrec
is needed if the default precision (53 after SetFloat64) is not
adequate.

TBR adonovan

Change-Id: Ifda12c479ba157f2dea306c32b47c7afbf31e759
Reviewed-on: https://go-review.googlesource.com/4842
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-02-14 00:42:40 +00:00
Robert Griesemer
31e852402f math/big: fix aliasing error in Add, Sub
Also:
- make representation more flexible (no need to store trailing 0 digits to match precision)
- simplify rounding as a consequence
- minor related fixes

TBR adonovan

Change-Id: Ie91075990688b506d28371ec3b633b8267397ebb
Reviewed-on: https://go-review.googlesource.com/4841
Reviewed-by: Rob Pike <r@golang.org>
2015-02-14 00:42:05 +00:00
Robert Griesemer
7a77d8d1e9 math/big: use internal validation more consistently
TBR adonovan

Change-Id: If77afa6474af6cad6512f6866725e3ae5acf2e3f
Reviewed-on: https://go-review.googlesource.com/4840
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-02-14 00:41:20 +00:00
Brad Fitzpatrick
b5b11bdbc6 test: deflake init1.go test, tighten its bounds
Per the comment at top, this test is about whether the GC runs during
init, but it was testing more than that, and testing how much the GC
collected in a certain amount of time.

Instead, loosen this test to just see whether it ran at all and not
how well it did.

Fixes #9848

Change-Id: I31da7dd769140d7b49aa6c149a543fae6076aa5e
Reviewed-on: https://go-review.googlesource.com/4820
Reviewed-by: Rick Hudson <rlh@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2015-02-13 22:13:56 +00:00
David du Colombier
ad73dc349b cmd/gc: replace NULL by nil
In CL 4050, NULL was used instead of nil.
However, Plan 9 doesn't declare NULL.

Change-Id: I8295a3102509a1ce417278f23a37cbf65938cce1
Reviewed-on: https://go-review.googlesource.com/4814
Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2015-02-13 22:13:42 +00:00
David Crawshaw
ae3229ae5c cmd/ld: always mark tlsg STLSBSS
Android apps build again.

Defining TLSG in runtime/tls_arm.s gives it the type SNOPTRBSS, so its
type was never being set when GOOS=android. I considered modifying the
if statement, but I no longer understand the intention of the original
change (in d738c6b0ca). We were always setting it before, what
platform is this not valid for?

Fixes #9829

Change-Id: I3eaa4a9590893eff67695797eb22547a170cdbcd
Reviewed-on: https://go-review.googlesource.com/4834
Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
2015-02-13 21:27:21 +00:00
Hyang-Ah (Hana) Kim
69937d2131 androidtest.bash: remove use of cp --preserve.
--preserve flag is not a valid flag for some versions of cp.

Change-Id: I57f5bf21cbe726057fdadcd55b040ef7ff5d7479
Reviewed-on: https://go-review.googlesource.com/4835
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-02-13 21:16:25 +00:00
Shenghou Ma
855145d5c0 cmd/ld: set alignment for the .rel.plt section on 32-bit architectures
Fixes #9802.

Change-Id: I22c52a37bdb23a14cc4615c9519431bb14ca81ca
Reviewed-on: https://go-review.googlesource.com/4170
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-02-13 20:09:34 +00:00
Russ Cox
5f1efe738b cmd/ld: make cmd/ld a real library
Make cmd/ld a real library invoked by the individual linkers.
There are no reverse symbol references anymore
(symbols referred to in cmd/ld but defined in cmd/5l etc).

This means that in principle we could do an automatic
conversion of these to Go, as a stopgap until cmd/link is done
or as a replacement for cmd/link.

Change-Id: I4a94570257a3a7acc31601bfe0fad9dea0aea054
Reviewed-on: https://go-review.googlesource.com/4649
Reviewed-by: Rob Pike <r@golang.org>
2015-02-13 17:31:38 +00:00
Russ Cox
892286419e cmd/dist: avoid trailing space in instruction name strings
Change-Id: I2db4db852492eaddaf09dd7bae2fbd49f916e78a
Reviewed-on: https://go-review.googlesource.com/4648
Reviewed-by: Rob Pike <r@golang.org>
2015-02-13 17:31:29 +00:00
Russ Cox
5c87cf7608 cmd/gc: minor adjustments for C to Go translation
- remove a few uses of ? :
- rename variables named len
- rewrite a few gotos as nested switches
- move goto targets to scope allowed by Go
- use consistent return type of anyregalloc
  (was int or int32 in different places)
- remove unused nr variable in agen
- include proper headers in generated builtin1.c
- avoid strange sized %E formats (%-6E, %2E)
- change gengcmask argument from uint8[16] to uint8*
  (diagnosed by c2go; not an array in any real sense).
- replace #ifdef XXX with comment block in 5g/peep.c
- expand and remove FAIL macro from 5g
- expand and remove noimpl macro from 9g
- print regalloc errors to stdout in 8g
  (only use of fprint(2, ...) in all compilers)

Still producing bit-for-bit identical output.

Change-Id: Id46efcd2a89241082b234f63f375b66f2754d695
Reviewed-on: https://go-review.googlesource.com/4646
Reviewed-by: Austin Clements <austin@google.com>
2015-02-13 17:31:16 +00:00
Russ Cox
acba34e45f cmd/gc: eliminate some pointer arithmetic
In mparith, all the a1-- are problematic. Rewrite it all without pointers.
It's clearer anyway.

In popt, v is problematic because it is used both as a fixed pointer
(v = byvar[i]) and as a moving pointer (v = var; v++) aka slice.
Eliminate pointer movement.

Tested that this still produces bit-for-bit output for 'go build -a std'
compared to d260756 (current master).

Change-Id: I1a1bed0f98b594c3864fe95075dd95f9b52113e0
Reviewed-on: https://go-review.googlesource.com/4645
Reviewed-by: Austin Clements <austin@google.com>
2015-02-13 17:31:04 +00:00
Russ Cox
ff81c14fb2 cmd/gc: rename arch to thearch
Otherwise the exported variable collides with the type Arch.

While we're here, remove arch.dumpit (now in portable code)
and add arch.defframe (forgotten originally, somehow).

Change-Id: I1b3a7dd7e96c5f632dba7cd6c1217b42a2004d72
Reviewed-on: https://go-review.googlesource.com/4644
Reviewed-by: Austin Clements <austin@google.com>
2015-02-13 17:30:55 +00:00