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Commit Graph

2553 Commits

Author SHA1 Message Date
Robert Griesemer
3f1269ff1e godoc: more index size reduction
- KindRuns don't need to repeat SpotKind,
  it is stored in each Spot
- removed extra indirection from FileRuns
  to KindRuns
- slight reduction of written index size
  (~500KB)

R=rsc
CC=golang-dev
https://golang.org/cl/4969052
2011-08-31 14:01:58 -07:00
Russ Cox
0c9ea63b3b cgo: explain how to free something
R=golang-dev, n13m3y3r, r
CC=golang-dev
https://golang.org/cl/4958053
2011-08-31 08:17:01 -04:00
Russ Cox
335da67e00 gc: make static initialization more static
Does as much as possible in data layout instead
of during the init function.

Handles var x = y; var y = z as a special case too,
because it is so prevalent in package unicode
(var Greek = _Greek; var _Greek = []...).

Introduces InitPlan description of initialized data
so that it can be traversed multiple times (for example,
in the copy handler).

Cuts package unicode's init function size by 8x.
All that remains there is map initialization, which
is on the chopping block too.

Fixes sinit.go test case.

Aggregate DATA instructions at end of object file.

Checkpoint.  More to come.

R=ken2
CC=golang-dev
https://golang.org/cl/4969051
2011-08-31 07:37:14 -04:00
Russ Cox
4304de6e0c runtime: make arm work on Ubuntu Natty qemu
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4963050
2011-08-31 07:02:46 -04:00
Gustavo Niemeyer
0cfa0fe242 cgo: note that CString result must be freed
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4968054
2011-08-31 06:44:55 -03:00
Robert Griesemer
40f0a0d759 godoc index: first step towards reducing index size
- canonicalize package descriptors
- remove duplicate storage of file paths
- reduces (current) written index file by approx 3.5MB
(from 28434237B to 24686643B, or 13%)

- next step: untangle DAG (when serializing, using
gob, the index dag explodes into an index tree)

R=dsymonds
CC=golang-dev
https://golang.org/cl/4983042
2011-08-30 18:47:15 -07:00
Lucio De Re
4ca2172f38 gc: fix for Plan 9 build
R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/4977045
2011-08-30 09:40:46 -04:00
Russ Cox
4fb3c4f765 gc: fix div bug
R=ken2
CC=golang-dev
https://golang.org/cl/4950052
2011-08-30 08:47:28 -04:00
Lucio De Re
2d489e67dc gc: fix for Plan 9 build
R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/4975044
2011-08-30 08:00:07 -04:00
Robert Griesemer
d01ee38fb0 godoc: support for reading/writing (splitted) index files.
This CL implements a new godoc feature to save the search
index on disk. Use -write_index to create the search
index file named with -index_files. Use -index_files to
provide a glob pattern specifying index file(s) when
starting godoc; in this case the run-time indexer is not
run.

Known issues:
- saving/restoring full text index is not yet supported
- the list of flags and overall usage logic could use a
  cleanup

R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/4974045
2011-08-29 17:22:20 -07:00
Robert Griesemer
6b90262870 godoc: fix bug in zip.go
The result of sort.Search is in the interval [0,n);
specifically, if no entry is found, the result is n
and not -1.

R=dsymonds
CC=golang-dev
https://golang.org/cl/4982041
2011-08-29 16:49:31 -07:00
Andrew Gerrand
58b05e2448 goinstall: select the tag that is closest to runtime.Version
release.r50 looks for newest tag <= go.r50
weekly.2010-10-10 looks for newest tag <= go.2010-10-10

Implements behavior for hg, git, and bzr.

R=dsymonds, rsc, n13m3y3r
CC=golang-dev
https://golang.org/cl/4873057
2011-08-30 09:37:22 +10:00
Mateusz Czapliński
eae0a48cf5 libmach: support reading symbols from Windows .exe for nm
Fixes #979.

R=rsc, alex.brainman
CC=golang-dev, vcc.163
https://golang.org/cl/4894051
2011-08-29 14:25:43 -04:00
Yuval Pavel Zholkover
c20a338c2f runtime, syscall: use the vdso page on linux x86 for faster syscalls instead of int $0x80.
8l: fix handling CALL $(constant) code generated by 8a.
8a,8l: add indirect call instruction: CALL *data(SB).

R=rsc, iant
CC=golang-dev
https://golang.org/cl/4817054
2011-08-29 10:36:06 -04:00
Lucio De Re
b3cc4897be gc: fix build on Plan 9
gc/bits.c
. improved format with associated cast;
gc/closure.c
gc/dcl.c
gc/range.c
gc/reflect.c
gc/sinit.c
. dropped unnecessary assignments;
gc/gen.c
. dropped unnecessary assignment;
. added static qualifier to local function definition;
gc/go.h
. added varargck pragmas;
gc/lex.c
. used {} instead of ; in if statement to suppress warning;
. replaced exit(0) with exits(0);
. added compilation conditions for SIGBUS/SIGSEGV;
. dropped unnecessary assignment;
gc/mparith2.c
. dropped four unnecessary assignments/initialisations;
gc/obj.c
. added type cast to local pointer;
gc/pgen.c
. added cast and related print format;
gc/subr.c
. replaced exit(1) with exits("error");
. replaced unlink() with remove();
. renamed local cistrmp() as ucistrmp() to remove conflict with
  Plan 9 function by the same name;
gc/swt.c
. added braces instead of ; as empty statment;
gc/typecheck.c
. added static qualifier to local function definition;
. dropped unnecessary assignments;
gc/walk.c
. dropped unnecessary assignments;
. added static qualifier to local function definitions;

R=rsc
CC=golang-dev
https://golang.org/cl/4964046
2011-08-29 09:35:04 -04:00
Lucio De Re
219c9e9c46 6g: fix build on Plan 9
src/cmd/6g/cgen.c
src/cmd/6g/gobj.c
src/cmd/6g/reg.c
. dropped unused assignments;
src/cmd/6g/gg.h
. added varargck pragmas;
src/cmd/6g/list.c
. adjusted print format for ulong casts;
src/cmd/6g/peep.c
. dropped redundant increment;

R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/4953049
2011-08-29 09:34:59 -04:00
Lucio De Re
65276933cd 5g: fix build on Plan 9
5g/cgen.c:
. USED(n4) as it is only mentioned in unreachable code later;
. dropped unused assignments;
. commented out unreachable code;
5g/cgen64.c:
5g/ggen.c:
. dropped unused assignments of function return value;
5g/gg.h:
. added varargck pragmas;
5g/peep.c:
. USED(p1) used only in unreacheable code;
. commented out unreachable code;
5g/reg.c:
. dropped unused assignment;

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4953048
2011-08-29 09:34:52 -04:00
Russ Cox
77f0bdce07 gc: fix arm build
Escape analysis was incorrectly assuming that
functions without bodies don't leak their
parameters.  This meant that sync/atomic's
TestAddInt64 was allocating x on its stack,
and then x was not properly aligned for use
with the atomic 64-bit instructions.  Obviously
we should figure out the alignment story on 5g
too, but this fix is correct and should restore the
build to 'ok'.

TBR=lvd
CC=golang-dev
https://golang.org/cl/4964047
2011-08-28 23:29:34 -04:00
Russ Cox
db5f9da425 gc: tweak and enable escape analysis
-s now means *disable* escape analysis.

Fix escape leaks for struct/slice/map literals.
Add ... tracking.
Rewrite new(T) and slice literal into stack allocation when safe.

Add annotations to reflect.
Reflect is too chummy with the compiler,
so changes like these affect it more than they should.

R=lvd, dave, gustavo
CC=golang-dev
https://golang.org/cl/4954043
2011-08-28 12:05:00 -04:00
Jaroslavas Počepko
a88994f804 6l, 8l: remove JCXZ; add JCXZW, JCXZL, and JCXZQ
R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/4950050
2011-08-26 17:45:19 -04:00
Lucio De Re
f6a9807f56 8g: fix build on Plan 9
8g/cgen.c:
8g/gobj.c
. dropped unnecessary assignments;
8g/gg.h
. added varargckk pragmas;
8g/ggen.c
. dropped duplicate assignment;
8g/gsubr.c
. adjusted format in print statement;
. dropped unnecessary assignment;
. replaced GCC's _builtin_return_address(0) with Plan 9's
  getcallerpc(&n) which is defined as a macro in <u.h>;
8g/list.c
. adjusted format in snprint statement;
8g/opt.h
. added varargck pragma (Adr*) that is specific for the invoking
  modules;
8g/peep.c
. dropped unnecessary incrementation;

R=rsc
CC=golang-dev
https://golang.org/cl/4974044
2011-08-26 17:42:59 -04:00
Jaroslavas Počepko
26608d4fbb 6l, 8l: handle forward JCXZ
R=rsc
CC=golang-dev, vcc.163
https://golang.org/cl/4963044
2011-08-26 17:20:19 -04:00
Joel Sing
26d9c804f8 8l: add openbsd
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4972043
2011-08-26 15:39:23 -04:00
Robert Griesemer
3a1f29beec godoc: added systematic throttling to indexing goroutine
- implemented stand-alone Throttle mechanism
- added new flag -index_throttle to godoc
- index throttling enables index creation when running
  godoc on app engine as it keeps godoc responsive

R=rsc, dsymonds, adg
CC=golang-dev
https://golang.org/cl/4963043
2011-08-25 17:46:43 -07:00
Gustavo Niemeyer
0462f77e24 goinstall: report lack of $GOPATH on errors
Fixes #2175.

R=alex.brainman, rsc, gustavo, adg
CC=golang-dev
https://golang.org/cl/4929047
2011-08-25 19:12:03 -03:00
Russ Cox
987649e09b build: fix more unused parameters
R=ken2
CC=golang-dev
https://golang.org/cl/4971042
2011-08-25 16:29:56 -04:00
Russ Cox
61f84a2cdc gc: shuffle #includes
#include "go.h" (or "gg.h")

becomes

#include <u.h>
#include <libc.h>
#include "go.h"

so that go.y can #include <stdio.h>
after <u.h> but before "go.h".
This is necessary on Plan 9.

R=ken2
CC=golang-dev
https://golang.org/cl/4971041
2011-08-25 16:25:10 -04:00
Russ Cox
55db9fe730 build: fix unused parameters
Found with gcc 4.6 -Wunused -Wextra
but should be applicable to Plan 9 too.

R=ken2
CC=golang-dev
https://golang.org/cl/4958044
2011-08-25 16:08:13 -04:00
Russ Cox
0227c45ede gc: fix some spurious leaks
Probably will spark some discussion.  ☺

R=lvd
CC=golang-dev
https://golang.org/cl/4948041
2011-08-25 09:26:13 -04:00
Rob Pike
297a08ea66 gofix: forgot to rename the URL type
Fixes #2182

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/4952041
2011-08-25 10:16:11 +10:00
Russ Cox
42687d6ce4 gc: simplify escape analysis recursion
Merge escassign(N, x), escassign(x, N), escexpr(n), and escstmt(n) into esc(n).

1. Renaming
https://golang.org/cl/4917050/diff2/1:2001/src/cmd/gc/esc.c

2. Merging.
https://golang.org/cl/4917050/diff2/2001:4001/src/cmd/gc/esc.c

3. Simplify esccall.
https://golang.org/cl/4917050/diff2/4001:5002/src/cmd/gc/esc.c

R=lvd
CC=golang-dev
https://golang.org/cl/4917050
2011-08-24 16:47:32 -04:00
Lucio De Re
6ecd5f9fe7 cov: remove tautological #defines
R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/4941048
2011-08-24 13:59:17 -04:00
Luuk van Dijk
847b61b554 gc: Escape analysis.
For now it's switch-on-and-offable with -s, and the effects can be inspected
with -m.  Defaults are the old codepaths.

R=rsc
CC=golang-dev
https://golang.org/cl/4634073
2011-08-24 19:07:08 +02:00
Robert Griesemer
52818f4583 godoc: use virtual file system when generating package synopses
Fix for godoc on app engine.

R=dsymonds
CC=golang-dev
https://golang.org/cl/4922050
2011-08-24 09:52:16 -07:00
Russ Cox
66bedf8221 go/build: add test support & use in gotest
A side-effect is that, just like foo_386.go
is only built on 386, foo_386_test.go is only
built for testing on 386.

R=adg, r, mattn.jp
CC=golang-dev
https://golang.org/cl/4942050
2011-08-23 22:45:30 -04:00
Russ Cox
5e188b40f2 build: avoid redundant bss declarations
Some compilers care, sadly.

R=iant, ken
CC=golang-dev
https://golang.org/cl/4931042
2011-08-23 22:39:14 -04:00
Julian Phillips
b99d722963 gc: fix pc/line table
When a line directive was encountered we would push a new 'z' entry into
the history to indicate the start of new file attributation, and a 'Z'
entry to change line numbering.  However we didn't pop the 'z' entry, so
we were actually corrupting the history stack.  The most obvious
occurance of this was in the code that build the symbol tables for the
DWARF information - where an internal stack in the linker would overflow
when more than a few line directives were encountered in a single stack
(Issue 1878).  So now we pop the 'z' entry when we encounter the end of
the file that the directive was in, which maintains the history stack
integrity.

Also, although new 'z' entries for new files had relative paths
expanded, the same was not done for line directives.  Now we do it for
line directives also - so that the now correct DWARF information has the
full path available.

Fixes #1878.

R=rsc
CC=golang-dev
https://golang.org/cl/4938042
2011-08-23 17:01:14 -04:00
Robert Griesemer
f6d536bea4 go/parser: fix type switch scoping
Introduce extra scope for the variable declared by a
TypeSwitchGuard so that it doesn't conflict with vars
declared by the initial SimpleStmt of a type switch.

This is a replacement for CL 4896053 which caused
a build breakage.

Also:
- explicitly detect type switches (as opposed to detecting
  expression switches and then do extra testing for type switches)
- fix all outstanding TODOs in parser.go
- ran all tests

R=rsc
CC=golang-dev
https://golang.org/cl/4914044
2011-08-23 09:22:41 -07:00
Lucio De Re
45407bd559 ld: handle Plan 9 ar format
The Go version has 64 character long section names; originally,
in Plan 9, the limit was 16.  To provide compatibility, this
change allows the input length to be either the target length
or the earlier option.	The section name is extended with spaces
where required.

This has been tested to work without regressions in the
Go environment, testing the older alternative has not been
possible yet.

R=rsc
CC=golang-dev
https://golang.org/cl/4650071
2011-08-22 23:24:38 -04:00
Joel Sing
be00d38a35 build: add openbsd
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4832047
2011-08-22 23:24:25 -04:00
Russ Cox
3554325937 ld: remove duplicate bss definitions
The EXTERN lines in elf.h already define these.
That's not a problem for most C compilers, but
apparently it is for some copies of the OS X linker.

Fixes #2167.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/4936044
2011-08-22 23:23:57 -04:00
Tarmigan Casebolt
8f37c8845c gofix: osopen: fixed=true when changing O_CREAT
R=rsc, r
CC=golang-dev
https://golang.org/cl/4921047
2011-08-22 15:40:15 +10:00
Rob Pike
1696b5fe2a cmd/gc/lex: remove reference to container/vector in comment
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4921045
2011-08-22 14:07:27 +10:00
Rob Pike
8bf2ad757b cmd/hgpatch: remove container/vector
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4921044
2011-08-22 14:02:36 +10:00
Tarmigan Casebolt
e5ddcaeb7b gotry: add missing $
R=rsc, gri
CC=golang-dev
https://golang.org/cl/4935046
2011-08-21 13:17:02 -07:00
Tarmigan Casebolt
f7b9ac765b goinstall: error out with paths that end with '/'
R=adg, rsc, tarmigan+golang
CC=golang-dev
https://golang.org/cl/4807048
2011-08-21 20:28:29 +10:00
Robert Griesemer
337254333f godoc: minor fixes
- templates should be read before any handlers are started
- for app engine use, must use underlying file system to read templates

R=r
CC=golang-dev
https://golang.org/cl/4928042
2011-08-20 12:39:38 -07:00
Robert Griesemer
72ddc87681 godoc: remove uses of container/vector
In the process, rewrite index.go to use slices instead
of vectors, rewrite for-loops into range loops, and
generally simplify code (this code was written before
the launch of go and showed its age).

Also, fix a wrong import in appinit.go.

No significant performance changes (improvements);
most of time is spent elsewhere (measured on an stand-
alone MacBook Pro with SSD disk, running standard
godoc settings: godoc -v -http=:7777 -index).

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4875056
2011-08-20 12:30:26 -07:00
Robert Griesemer
8843262599 undo CL 4896053 / c62cf48b7dc4: fix build
The subtle AST changes introduced with CL 4896053
broke type checking of type switches in gofix.
Coming up with a correct fix will take some time.
Undoing this change for now.

««« original CL description
go/parser: fix type switch scoping

The variable declared by a TypeSwitchGuard must be
visible in each TypeCaseClause and must not conflict
with other variables declared by the initial SimpleStmt
of a type switch.

Also:
- explicitly detect type switches (as opposed to detecting
  regular (expression switches) and then do extra testing
  for type switches
- fix all outstanding TODOs in parser.go

R=rsc
CC=golang-dev
https://golang.org/cl/4896053
»»»

R=rsc
CC=golang-dev
https://golang.org/cl/4902052
2011-08-18 11:42:19 -07:00
Robert Griesemer
18248ced36 go/parser: fix type switch scoping
The variable declared by a TypeSwitchGuard must be
visible in each TypeCaseClause and must not conflict
with other variables declared by the initial SimpleStmt
of a type switch.

Also:
- explicitly detect type switches (as opposed to detecting
  regular (expression switches) and then do extra testing
  for type switches
- fix all outstanding TODOs in parser.go

R=rsc
CC=golang-dev
https://golang.org/cl/4896053
2011-08-18 10:28:58 -07:00