Commit Graph

3467 Commits

Author SHA1 Message Date
Shenghou Ma 88ba4de152 cmd/5l: embed $GOARM value into binary as runtime.goarm
R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6449127
2012-09-03 03:51:13 +08:00
Russ Cox a96c2b8c1a cmd/gc: fix PkgPath of byte, rune types
Fixes #3853.

R=ken2
CC=golang-dev
https://golang.org/cl/6492071
2012-09-01 19:55:55 -04:00
Shenghou Ma c5444a8937 cmd/ld: support zero-filled section for Mach-O files
R=golang-dev, r, dave, rsc
CC=golang-dev
https://golang.org/cl/6492069
2012-09-02 04:50:58 +08:00
Daniel Morsing 1c2021ca14 cmd/gc: Suggest *T in error for x.(T) if it would work.
Accomplished by synchronizing the formatting of conversion errors between typecheck.c and subr.c

Fixes #3984.

R=golang-dev, remyoudompheng, rsc
CC=golang-dev
https://golang.org/cl/6500064
2012-09-01 13:52:55 -04:00
Rémy Oudompheng 8f3c2055bd cmd/6g, cmd/8g: eliminate short integer arithmetic when possible.
Fixes #3909.
Fixes #3910.

R=rsc, nigeltao
CC=golang-dev
https://golang.org/cl/6442114
2012-09-01 16:40:54 +02:00
Russ Cox 508bfda6d3 cmd/go: be clear that import loops are bad
There was mail on golang-nuts a few weeks ago
from someone who understood the message perfectly
and knew he had a cyclic dependency but assumed
that Go, like Python or Java, was supposed to handle it.

R=golang-dev, bradfitz, dave
CC=golang-dev
https://golang.org/cl/6488069
2012-09-01 10:34:58 -04:00
Rémy Oudompheng ba97d52b85 cmd/gc: fix escape analysis bug with variable capture in loops.
Fixes #3975.

R=rsc, lvd
CC=golang-dev, remy
https://golang.org/cl/6475061
2012-08-31 22:23:37 +02:00
Akshat Kumar a72bebf6e1 src: Add support for 64-bit version of Plan 9
This set of changes extends the Plan 9 support
to include the AMD64 architecture and should
work on all versions of Plan 9.

R=golang-dev, rminnich, noah.evans, rsc, minux.ma, npe
CC=akskuma, golang-dev, jfflore, noah.evans
https://golang.org/cl/6479052
2012-08-31 13:21:13 -04:00
Daniel Morsing 85ce3c7241 cmd/gc: mark broken type declarations as broken.
This fixes a spurious 'invalid recursive type' error, and stops the compiler from emitting errors on uses of the invalid type.

Fixes #3766.

R=golang-dev, dave, minux.ma, rsc
CC=golang-dev
https://golang.org/cl/6443100
2012-08-31 13:02:29 -04:00
Andrew Balholm bdf6a43e23 cmd/yacc/units.txt: fix exchange rates
In the example "units" program for goyacc, the exchange rates were
        reciprocals of the correct amounts. Turn them right-side-up
        and update them to current figures.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6495053
2012-08-29 10:06:37 -07:00
Shenghou Ma e607380ff6 cmd/ld: handle a special case of scattered relocation 2/1 on Darwin/386
Fixes #1635.

R=golang-dev, dave, r
CC=golang-dev
https://golang.org/cl/6496043
2012-08-29 23:42:05 +08:00
Shenghou Ma f653dfeb49 cmd/api: recognize version "devel" as dev. branch and apply -next
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6476066
2012-08-28 04:03:27 +08:00
Shenghou Ma e80f6a4de1 cmd/6g: fix float32/64->uint64 conversion
CVTSS2SQ's rounding mode is controlled by the RC field of MXCSR;
as we specifically need truncate semantic, we should use CVTTSS2SQ.

    Fixes #3804.

R=rsc, r
CC=golang-dev
https://golang.org/cl/6352079
2012-08-23 14:35:26 +08:00
Shenghou Ma 1cf27acfed cmd/ld: set ELF header flags for our Linux/ARM binary
To make it more compliant.
This won't affect the behavior of running on OABI-only kernels.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/6475044
2012-08-23 14:33:41 +08:00
Nigel Tao 251199c430 cmd/8g: roll back the small integer constant optimizations introduced
in 13416:67c0b8c8fb29 "faster code, mainly for rotate" [1]. The codegen
can run out of registers if there are too many small-int arithmetic ops.

An alternative approach is to copy 6g's sbop/abop codegen to 8g, but
this change is less risky.

Fixes #3835.

[1] http://code.google.com/p/go/source/diff?spec=svn67c0b8c8fb29b1b7b6221977af6b89cae787b941&name=67c0b8c8fb29&r=67c0b8c8fb29b1b7b6221977af6b89cae787b941&format=side&path=/src/cmd/8g/cgen.c

R=rsc, remyoudompheng, r
CC=golang-dev
https://golang.org/cl/6450163
2012-08-23 16:17:22 +10:00
Joel Sing 2281c3294b cmd/go: fix cgo linking on netbsd
NetBSD's built-in linker script for 'ld -r' does not provide a
SEARCH_DIR. As a result libgcc.a is not found when -lgcc is used.

Work around this by determining the path to libgcc (by invoking
gcc with the -print-libgcc-file-name option) and explicitly
referencing the resulting library.

R=golang-dev, iant, aram, lucio.dere, minux.ma
CC=golang-dev
https://golang.org/cl/6470044
2012-08-22 22:23:56 +10:00
Shenghou Ma b1532344ef cmd/ld: skip R_*_NONE relocations, fix Linux/386 build again
The last fix was wrong w.r.t C's operator precedence,
and it also failed to really skip the NONE relocation.

The offending R_386_NONE relocation is a absolute
relocation in section .eh_frame.

TBR=golang-dev
CC=golang-dev
https://golang.org/cl/6463058
2012-08-21 00:34:06 +08:00
Alex Brainman 58064a7cab pprof: make it work on windows again
- pprof is a perl script, so go command should invoke
  perl instead of trying to run pprof directly;
- pprof should use "go tool nm" unconditionally on windows,
  no one else can extract symbols from Go program;
- pprof should use "go tool nm" instead of "6nm".

Fixes #3879.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6445082
2012-08-18 17:03:32 +10:00
Shenghou Ma 93fac8859c cmd/ld: explicitly ignore R_*_NONE relocation to fix build
I don't know why this relocation is used.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/6464070
2012-08-17 09:11:58 +08:00
Shenghou Ma 551d8b9ff5 cmd/go: new cgo build procedure
This CL adds a step to the build procedure for cgo programs. It uses 'ld -r'
to combine all gcc compiled object file and generate a relocatable object file
for our ld. Additionally, this linking step will combine some static linking
gcc library into the relocatable object file, so that we can use libgcc,
libmingwex and libmingw32 without problem.

   Fixes #3261.
   Fixes #1741.
   Added a testcase for linking in libgcc.

TODO:
1. still need to fix the INDIRECT_SYMBOL_LOCAL problem on Darwin/386.
2. still need to enable the libgcc test on Linux/ARM, because 5l can't deal
with thumb libgcc.

Tested on Darwin/amd64, Darwin/386, FreeBSD/amd64, FreeBSD/386, Linux/amd64,
Linux/386, Linux/ARM, Windows/amd64, Windows/386

R=iant, rsc, bradfitz, coldredlemur
CC=golang-dev
https://golang.org/cl/5822049
2012-08-17 03:42:34 +08:00
Daniel Morsing b04c890a89 cmd/gc: Don't claim type assertion would help when it wont.
Fixes #3465.

R=golang-dev, rsc, remyoudompheng, iant
CC=golang-dev
https://golang.org/cl/6448097
2012-08-15 16:53:06 -07:00
Francisco Souza 34976b985a cmd/go: skipping relative paths on go test -i ./...
Fixes #3896.

R=rsc, rogpeppe, r
CC=golang-dev
https://golang.org/cl/6457075
2012-08-15 07:32:49 -07:00
Robert Hencke 16a82828a2 5l: trivial whitespace cleanup
R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/6446131
2012-08-15 10:32:44 +10:00
Robert Griesemer f597fa67c1 godoc: report error for directories with multiple packages
Fixes #3922.

R=rsc, adg
CC=golang-dev
https://golang.org/cl/6453094
2012-08-09 16:10:46 -07:00
Shenghou Ma af92b29fe6 cmd/5l: add PT_PAX_FLAGS ELF header
Although I don't use PAX enabled ARM kernels, PAX
does have support for ARM, so we're better off add
PT_PAX_FLAGS now in case people use PAX kernels.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6453092
2012-08-09 08:47:43 +08:00
Shenghou Ma 0cb04168d3 cmd/5l: dwarf line number support for Linux/ARM
Part of issue 3747.

R=dave, lvd, rsc
CC=golang-dev
https://golang.org/cl/6084044
2012-08-07 10:09:24 +08:00
Shenghou Ma df623d03ab cmd/go: remove $WORK paths in generated binaries
Fixes #3748.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6357064
2012-08-07 10:00:58 +08:00
Rémy Oudompheng 77f3e189d2 runtime: faster string equality.
benchmark                                old ns/op    new ns/op    delta
BenchmarkCompareStringEqual                     51           35  -30.20%
BenchmarkCompareStringIdentical                 51            7  -85.71%
BenchmarkCompareStringSameLength                25           18  -28.29%
BenchmarkCompareStringDifferentLength            2            2   +1.46%

R=golang-dev, rsc
CC=golang-dev, remy
https://golang.org/cl/6450092
2012-08-05 21:35:41 +02:00
Dmitriy Vyukov 2f2df2aceb cmd/go: allow to use syso files with cgo
I have C functions implemented in .syso file (rather than .so or inlined in .go file).
W/o this change the gcc invocation fails with undefined symbols.

R=minux.ma, rsc
CC=golang-dev
https://golang.org/cl/6352076
2012-08-04 18:02:12 +03:00
Dmitriy Vyukov 8be5e8a419 cmd/cc: allow to call nested packages from within C code
E.g. sync/atomic.LoadInt32() can be called as sync»atomic·LoadInt32()

R=rsc
CC=golang-dev
https://golang.org/cl/6448057
2012-08-04 16:11:53 +04:00
Ian Lance Taylor 6fa38e5e0a cmd/go, go/build, misc/swig: add SWIG support to Go tool
R=adg, rsc, franciscossouza, seb.binet, gen.battle
CC=golang-dev
https://golang.org/cl/5845071
2012-08-03 18:08:43 -07:00
Michał Derkacz dee5adcf74 5a, 5l, math: Add support for ABSD, ABSF floating point instructions.
R=golang-dev, dave, rsc, minux.ma
CC=golang-dev
https://golang.org/cl/6225051
2012-08-03 16:15:11 -04:00
Rémy Oudompheng 823962c521 cmd/8g: fix miscompilation due to BADWIDTH.
Fixes #3899.

R=rsc
CC=golang-dev, remy
https://golang.org/cl/6453084
2012-08-03 22:05:51 +02:00
Rémy Oudompheng f4f1ba2b1e cmd/gc: accept switches on comparable arrays.
The compiler is incorrectly rejecting switches on arrays of
comparable types. It also doesn't catch incomparable structs
when typechecking the switch, leading to unreadable errors
during typechecking of the generated code.

Fixes #3894.

R=rsc
CC=gobot, golang-dev, r, remy
https://golang.org/cl/6442074
2012-08-03 21:47:26 +02:00
Russ Cox 3f34248a77 cmd/ld: add PT_PAX_FLAGS ELF header
PAX systems are Linux systems that are more paranoid about memory permissions.
These flags tell them to relax when running Go binaries.

Fixes #47.

R=iant
CC=golang-dev
https://golang.org/cl/6326054
2012-08-03 15:27:35 -04:00
Rémy Oudompheng b6ea905ed9 cmd/gc: fix inlining bug with receive operator.
The receive operator was given incorrect precedence
resulting in incorrect deletion of parentheses.

Fixes #3843.

R=rsc
CC=golang-dev, remy
https://golang.org/cl/6442049
2012-08-01 00:45:26 +02:00
Shenghou Ma 9de61e7c8c cmd/5l, cmd/ld: add support for R_ARM_GOT_PREL
Android NDK's gcc 4.6 generates this relocation for runtime/cgo.

R=rsc
CC=golang-dev
https://golang.org/cl/6450056
2012-07-30 18:48:00 -04:00
Shenghou Ma dd62bb4753 cmd/cgo: use 1 as last entry for __cgodebug_data
LLVM-based gcc will place all-zero data in a zero-filled
        section, but our debug/macho can't handle that.
        Fixes #3821.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6444049
2012-07-30 18:44:48 -04:00
Rémy Oudompheng 6cbf35c172 cmd/gc: fix initialization order involving method calls.
They were previously ignored when deciding order and
detecting dependency loops.
Fixes #3824.

R=rsc, golang-dev
CC=golang-dev, remy
https://golang.org/cl/6455055
2012-07-30 09:14:49 +02:00
Russ Cox 7711e61031 cmd/go: show $GOPATH in 'go env' output
Also, sort output.

R=golang-dev, patrick, dave, iant
CC=golang-dev, patrick
https://golang.org/cl/6446064
2012-07-30 00:22:42 -04:00
Daniel Morsing dd166b9437 cmd/gc: point "no new variables" error at right line number.
Fixes #3856.

R=dsymonds, rsc
CC=golang-dev
https://golang.org/cl/6455056
2012-07-29 22:24:19 -04:00
Ian Lance Taylor 24ae7e686d cgo: fix declarations in _cgo_export.c
Declare crosscall2.  Declare the functions passed to it as
returning void, rather than relying on implicit return type.

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/6432060
2012-07-25 14:14:37 -07:00
Dave Cheney fba47dc3b1 cmd/godoc: delete -path flag
Fixes #3453.

R=golang-dev, gri, jeff, bradfitz
CC=golang-dev
https://golang.org/cl/6350086
2012-07-25 10:49:50 -07:00
Ian Lance Taylor b575a98121 cgo: add -gccgopkgpath option to match gccgo -fgo-pkgpath
R=golang-dev, r, iant
CC=golang-dev
https://golang.org/cl/6416056
2012-07-20 16:58:08 -07:00
Rob Pike f49b7b0acf cmd/vet: provide flags to control which tests to run
By default, all are still run, but a particular test can be
selected with the new flags.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6395053
2012-07-16 14:03:11 -07:00
Rémy Oudompheng 656b192c16 cmd/gc: reject use of ... with multiple-valued expressions.
Fixes #3334.

R=golang-dev, r
CC=golang-dev, remy
https://golang.org/cl/6350103
2012-07-13 08:05:41 +02:00
Rémy Oudompheng 1ca7bc268b cmd/gc: avoid an internal error on invalid type switch.
The error was caused by a call to implements() even when
the type switch variable was not an interface.

Fixes #3786.

R=golang-dev, r
CC=golang-dev, remy
https://golang.org/cl/6354102
2012-07-12 23:31:36 +02:00
Rémy Oudompheng bd0bb2bc39 cmd/gc: fix error message for type errors involving conversions.
Fixes #3818.

R=golang-dev, rsc, r
CC=golang-dev, remy
https://golang.org/cl/6352106
2012-07-12 23:26:52 +02:00
Dave Cheney eb1c03eacb cmd/pack: remove unused paging logic
This is the remainder of https://golang.org/cl/4601051.

Partially addresses issue 2705.

R=golang-dev, r, bradfitz, minux.ma
CC=golang-dev
https://golang.org/cl/6354066
2012-07-12 10:14:07 +10:00
Pieter Droogendijk 34b10d7482 cmd/dist: Make verbose messages print to stderr
Made the following changes:
 - Export errprintf() from all three OS-specific modules
 - Added errprintf() to a.h
 - Moved errprintf() in windows.c under xprintf(), since they are so similar
 - Replaced all instances of xprintf() with errprintf() where a vflag check is done
Fixes #3788.

R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/6346056
2012-07-06 15:00:18 +10:00