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35280 Commits

Author SHA1 Message Date
Ian Lance Taylor
097d642de5 [release-branch.go1.10] cmd/cgo: don't resolve typedefs in -godefs mode
In -godefs mode any typedefs that appear in struct fields and the like
will presumably be defined in the input file. If we resolve to the
base type, those cross-references will not work. So for -godefs mode,
keep the Go 1.10 behavior and don't resolve the typedefs in a loop.

Fixes #26644

Change-Id: I48cf72d9eb5016353c43074e6aff6495af326f35
Reviewed-on: https://go-review.googlesource.com/125995
Reviewed-by: Keith Randall <khr@golang.org>
(cherry picked from commit ead59f4bf3)
Reviewed-on: https://go-review.googlesource.com/128395
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-08-08 01:13:28 +00:00
Keith Randall
0fae49df57 [release-branch.go1.10] cmd/cgo: stop expanding typedefs once we reach __builtin types
Expanding __builtin types (__builtin_va_list, particularly) leads
to problems because they are expanded by the compiler itself - the
expansions are not generated by anything in a .h file. The types
a __builtin type expand to are thus very confusing to cgo.

See CL 126275.

Fixes #25036.

Change-Id: I66eb6a4f27f652f1b934ba702f580f6daa62a566
Reviewed-on: https://go-review.googlesource.com/127156
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/128096
2018-08-08 00:28:44 +00:00
Keith Randall
0f1c9decc9 [release-branch.go1.10] cmd/cgo: make sure we FinishType everything
Ensure that we call FinishType on all the types added to the ptrs map.
We only add a key to ptrKeys once. Once we FinishType for that key,
we'll never look at that key again. But we can add a new type under that
key later, and we'll never finish it.

Make sure we add the key to the ptrKeys list every time we make the list
of types for that key non-empty.

This makes sure we FinishType each pointer type exactly once.

Update #25036

Change-Id: Iad86150d516fcfac167591daf5a26c38bec7d143
Reviewed-on: https://go-review.googlesource.com/126275
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/128095
2018-08-08 00:27:20 +00:00
Keith Randall
2b07564d19 [release-branch.go1.10] misc/cgo: fix darwin test, again
TARGET_OS_OSX is the right macro, but it also was only introduced
in 1.12.  For 1.11 and earlier a reasonable substitution is
TARGET_OS_IPHONE == 0.

Update #25036

Change-Id: I5f43c463d14fada9ed1d83cc684c7ea05d94c5f3
Reviewed-on: https://go-review.googlesource.com/124075
Run-TryBot: Keith Randall <khr@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/124218
2018-08-08 00:27:12 +00:00
Keith Randall
1dea6c5269 [release-branch.go1.10] misc/cgo: fix test on iOS
The test in CL 123715 doesn't work on iOS, it needs to use a different
version scheme to determine whether SecKeyAlgorithm and friends exist.
Restrict the old version test to OSX only.

The same problem occurs on iOS: the functions tested don't exist before
iOS 10.  But we don't have builders below iOS 10, so it isn't a big issue.
If we ever get older builders, or someone wants to run all.bash on an
old iOS, they'll need to figure out the right incantation.

Update #25036

Change-Id: Ia3ace86b00486dc172ed00c0c6d668a95565bff7
Reviewed-on: https://go-review.googlesource.com/123959
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-on: https://go-review.googlesource.com/124217
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-08-08 00:27:05 +00:00
Keith Randall
61e4c11693 [release-branch.go1.10] misc/cgo/test: fix issue 24161 test for 1.11 and earlier
The test uses functions from C that were introduced in OSX 1.12.
Include stubs for those functions when compiling for 1.11 and earlier.
This test really a compile-time test, it doesn't matter much what the
executed code actually does.
Use a nasty #define hack to work around the fact that cgo doesn't
support static global variables.

Update #25036

Change-Id: Icf6f7bc9b6b36cacc81d5d0e033a2ebaff7e0298
Reviewed-on: https://go-review.googlesource.com/123715
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/124216
2018-08-08 00:26:58 +00:00
Keith Randall
424f4ea0bd [release-branch.go1.10] cmd/cgo: fix cgo bad typedefs
Two fixes:

1) Typedefs of the bad typedefs should also not be rewritten to the
   underlying type.  They shouldn't just be uintptr, though, they should
   retain the C naming structure.  For example, in C:

   typedef const __CFString * CFStringRef;
   typedef CFStringRef SecKeyAlgorithm;

   we want the Go:

   type _Ctype_CFStringRef uintptr
   type _Ctype_SecKeyAlgorithm = _Ctype_CFStringRef

2) We need more types than just function arguments/return values.
   At least we need types of global variables, so when we see a reference to:

   extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA1;

   we know that we need to investigate the type SecKeyAlgorithm.
   Might as well just find every typedef and check the badness of all of them.
   This requires looping until a fixed point of known types is reached.
   Usually it takes just 2 iterations, sometimes 3.

Update #25036

Change-Id: I32ca7e48eb4d4133c6242e91d1879636f5224ea9
Reviewed-on: https://go-review.googlesource.com/123177
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/124215
2018-08-08 00:26:51 +00:00
Keith Randall
48016b89d9 [release-branch.go1.10] cmd/cgo: check function argument/return types for bad C pointer types
We need to determine whether arguments to and return values from C
functions are "bad" typedef'd pointer types which need to be uintptr
on the Go side.

The type of those arguments are not specified explicitly. As a result,
we never look through the C declarations for the GetTypeID functions
associated with that type, and never realize that they are bad.
However, in another function in the same package there might be an
explicit reference. Then we end up with the declaration being uintptr
in one file and *struct{...} in another file. Badness ensues.

Fix this by doing a 2-pass algorithm. In the first pass, we run as
normal, but record all the argument and result types we see. In the
second pass, we include those argument types also when reading the C
types.

Update #25036

Change-Id: I8d727e73a2fbc88cb9d9899f8719ae405f59f753
Reviewed-on: https://go-review.googlesource.com/122575
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit 20803e0f52809fa6088285c1c87246642df2b62d)
Reviewed-on: https://go-review.googlesource.com/122818
2018-08-08 00:26:43 +00:00
Ian Lance Taylor
815e0f9755 [release-branch.go1.10] cmd/cgo: don't report inconsistency error for incomplete typedef
In CLs 122575 and 123177 the cgo tool started explicitly looking up
typedefs. When there are two Go files using import "C", and the first
one has an incomplete typedef and the second one has a complete
version of the same typedef, then we will now record a version of the
first typedef which will not match the recorded version of the second
typedef, producing an "inconsistent definitions" error. Fix this by
silently merging incomplete typedefs with complete ones.

Fixes #26430

Change-Id: I9e629228783b866dd29b5c3a31acd48f6e410a2d
Reviewed-on: https://go-review.googlesource.com/124575
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
(cherry picked from commit a371bc2dfd)
Reviewed-on: https://go-review.googlesource.com/128155
2018-08-07 05:18:07 +00:00
Ian Lance Taylor
4c77cb3087 [release-branch.go1.10] strings: do much less redundant testing in TestCompareStrings
On the OpenBSD builder this reduces the test time from 213 seconds to
60 seconds, without loss of testing.

Not sure why the test is so much slower on OpenBSD, so not closing the
issues.

Updates #26155
Updates #26174

Change-Id: I13b58bbe3b209e591c308765077d2342943a3d2a
Reviewed-on: https://go-review.googlesource.com/121820
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ralph Corderoy <ralph@inputplus.co.uk>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
(cherry picked from commit 869884daea)
Reviewed-on: https://go-review.googlesource.com/124115
Reviewed-by: Bill O'Farrell <billotosyr@gmail.com>
2018-07-16 23:14:19 +00:00
bill_ofarrell
0931e9fef3 [release-branch.go1.10] bytes, strings: fix comparison of long byte slices on s390x
The existing implementation of bytes.Compare on s390x doesn't work properly for slices longer
than 256 elements. This change fixes that. Added tests for long strings and slices of bytes.

Fixes #26117

Change-Id: If6d8b68ee6dbcf99a24f867a1d3438b1f208954f
Reviewed-on: https://go-review.googlesource.com/121495
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/124016
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-07-16 19:59:17 +00:00
Ian Lance Taylor
b5375d70d1 [release-branch.go1.10] mime/multipart: restore 1.9 handling of missing/empty form-data file name
Revert the code change of CL 70931, but keep the test, appropriately
modified for the code changes. Also add a new test. This restores the
1.9 handling of form-data entries with missing or empty file names.

Changing the handling of this simply confused existing programs for no
useful benefit. Go back to the old behavior.

Updates #19183
Fixes #24041

Change-Id: Ie7a0309a061218ceda3bbc2a7da85e6fb3dd016d
Reviewed-on: https://go-review.googlesource.com/121075
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-26 23:56:31 +00:00
Misty De Meo
3d59583836 [release-branch.go1.10] ld/macho: add all missing load commands
The ld/macho code currently understands a subset of the mach-o load
commands. I've encountered one of these in the wild in a Go-produced
binary, which tripped up the Go linker because its switch statement
expects its list of load commands to be exhaustive; the rest I've
added for the sake of completion.

The ruby-macho library is a good non-Darwin header resource for these:
https://github.com/homebrew/ruby-macho

Fixes #25912

Change-Id: Ib54c065d27e87d8726a9870df05a2bae24828b98
GitHub-Last-Rev: 655e3f488a
GitHub-Pull-Request: golang/go#25906
Reviewed-on: https://go-review.googlesource.com/119115
Reviewed-by: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit 1a92cdbfc1)
Reviewed-on: https://go-review.googlesource.com/119215
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-15 20:12:54 +00:00
Filippo Valsorda
fe8a0d12b1 [release-branch.go1.10] go1.10.3
Change-Id: If2abf35c922737d48ec72881428dc3353b016f7f
Reviewed-on: https://go-review.googlesource.com/116763
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
2018-06-06 23:47:44 +00:00
Filippo Valsorda
4059afb419 [release-branch.go1.10] doc: document Go 1.10.3
Change-Id: Ifc774bb9267baa773e91c617204329d3e04bd4b7
Reviewed-on: https://go-review.googlesource.com/116363
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
(cherry picked from commit b0951aff8f)
Reviewed-on: https://go-review.googlesource.com/116477
Reviewed-by: Filippo Valsorda <filippo@golang.org>
2018-06-06 00:57:42 +00:00
Filippo Valsorda
5feffb4395 [release-branch.go1.10] doc: document Go 1.9.7
Change-Id: I10dededb41162a99dbc42792a9d314c6dabddcca
Reviewed-on: https://go-review.googlesource.com/116362
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
(cherry picked from commit bbf4a3024b)
Reviewed-on: https://go-review.googlesource.com/116476
Reviewed-by: Filippo Valsorda <filippo@golang.org>
2018-06-06 00:57:20 +00:00
Russ Cox
fce993d1a2 [release-branch.go1.10] cmd/go: fix 'go get' compatibility for direct download of vgo-aware module
CL 109340 added “minimal module-awareness for legacy operation.”
One part of that is reinterpreting imports inside code trees with go.mod files
as using semantic import versioning, and converting them back to
legacy import paths by stripping the major version element
(for example, interpreting import "x.com/foo/v2/bar" as import "x.com/foo/bar").
This rewrite was not being applied during "go get", with the effect that once
you had the target code downloaded already, everything was fine,
but it didn't download and build successfully the first time.

Fixes #25687.
Cherry-pick fixes #25690.

Change-Id: I3e122efdc8fd9a0a4e66f5aa3e6a99f90c7df779
Reviewed-on: https://go-review.googlesource.com/115797
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-on: https://go-review.googlesource.com/116176
2018-06-04 16:21:02 +00:00
Ian Lance Taylor
8558db9a38 [release-branch.go1.10] cmd/go: accept more safe CFLAGS/LDFLAGS
Fixes #23749
Fixes #24703
Fixes #24858

Change-Id: Ib32d8efee294004c70fdd602087df2da0867f099
Reviewed-on: https://go-review.googlesource.com/115415
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
(cherry picked from commit 886d5601a63bef0271e705cfa6b6ac6f5134ee60)
Reviewed-on: https://go-review.googlesource.com/115435
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-05-31 20:10:54 +00:00
Russ Cox
28ae82663a [release-branch.go1.10] cmd/go: add minimal module-awareness for legacy operation
We want authors to be able to publish code that works with both
the current standard go command and the planned new go command
support for modules. If authors have tagged their code v2 or later,
semantic import versioning means the import paths must include a
v2 path element after the path prefix naming the module.
One option for making this convention compatible with original go get
is to move code into a v2 subdirectory of the root.
That makes sense for some authors, but many authors would prefer
not to move all the code into a v2 subdirectory for a transition and
then move it back up once we everyone has a module-aware go command.

Instead, this CL teaches the old (non-module-aware) go command
a tiny amount about modules and their import paths, to expand
the options for authors who want to publish compatible packages.
If an author has a v2 of a package, say my/thing/v2/sub/pkg,
in the my/thing repo's sub/pkg subdirectory (no v2 in the file system path),
then old go get continues to import that package as my/thing/sub/pkg.
But when go get is processing code in any module (code in a tree with
a go.mod file) and encounters a path like my/thing/v2/sub/pkg,
it will check to see if my/thing/go.mod says "module my/thing/v2".
If so, the go command will read the import my/thing/v2/sub/pkg
as if it said my/thing/sub/pkg, which is the correct "old" import path
for the package in question.

This CL will be back-ported to Go 1.10 and Go 1.9 as well.

Once users have updated to the latest Go point releases containing
this new logic, authors will be able to update to using modules
within their own repos, including using semantic import paths
with vN path elements, and old go get will still be able to consume
those repositories.

This CL also makes "go get" ignore meta go-import lines using
the new "mod" VCS type. This allows a package to specify both
a "mod" type and a "git" type, to present more efficient module
access to module-aware go but still present a Git repo to the old
"go get".

Fixes #24751.
Fixes #25069.

Backport fixes #25139.

Change-Id: I378955613a0d63834d4f50f121f4db7e4d87dc0a
Reviewed-on: https://go-review.googlesource.com/114500
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2018-05-30 18:06:46 +00:00
Russ Cox
4aa7bfdce4 [release-branch.go1.10] cmd/go: remove import path debugging hooks
These are no longer needed.

Change-Id: Ie42a84f2bd24d2f59324bb66551c46e6af60c302
Reviewed-on: https://go-review.googlesource.com/109339
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-on: https://go-review.googlesource.com/114499
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-05-30 18:05:30 +00:00
Martin Möhrmann
2bded9dc19 [release-branch.go1.10] strings: fix encoding of \u0080 in map
Fix encoding of PAD (U+0080) which has the same value as utf8.RuneSelf
being incorrectly encoded as \x80 in strings.Map due to using <= instead
of a < comparison operator to check one byte encodings for utf8.

Fixes golang/go#25479

Change-Id: Ib6c7d1f425a7ba81e431b6d64009e713d94ea3bc
Reviewed-on: https://go-review.googlesource.com/111286
Run-TryBot: Martin Möhrmann <moehrmann@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
(cherry picked from commit 8c62fc0ca3)
Reviewed-on: https://go-review.googlesource.com/114635
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-05-26 22:49:02 +00:00
Filippo Valsorda
48ee689f19 [release-branch.go1.10] doc: sync with master
A number of changes were applied to documentation in master, including
a wide rewrite of the contribution guide. Backport them all to get them
deployed on golang.org.

$ git ch master -- doc
$ git show-ref master
88756931d0 refs/heads/master

Change-Id: Ib45ff191f3b60723aa4421113992289c37d144aa
Reviewed-on: https://go-review.googlesource.com/114503
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-05-26 06:50:14 +00:00
Adam Langley
09fa131c99 [release-branch.go1.10] crypto/x509: check EKUs like 1.9.
This change brings back the EKU checking from 1.9. In 1.10, we checked
EKU nesting independent of the requested EKUs so that, after verifying a
certifciate, one could inspect the EKUs in the leaf and trust them.

That, however, was too optimistic. I had misunderstood that the PKI was
/currently/ clean enough to require that, rather than it being
desirable. Go generally does not push the envelope on these sorts of
things and lets the browsers clear the path first.

Fixes #25258

Change-Id: I18c070478e3bbb6468800ae461c207af9e954949
Reviewed-on: https://go-review.googlesource.com/113475
Reviewed-by: Filippo Valsorda <filippo@golang.org>
(cherry picked from commit 180e0f8a1b149bd1d15df29b6527748266cacad9)
Reviewed-on: https://go-review.googlesource.com/114035
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-05-24 18:22:45 +00:00
Andrew Bonventre
fd4fbf6721 [release-branch.go1.10] doc: update Code of Conduct
Change-Id: I82c03dd026bb797a49b7361389373924acf6366c
Reviewed-on: https://go-review.googlesource.com/114085
Reviewed-by: Russ Cox <rsc@golang.org>
(cherry picked from commit 571d78267ff48f3a1220bfe7d342aa635008e35f)
Reviewed-on: https://go-review.googlesource.com/114275
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-05-23 20:19:57 +00:00
Ian Lance Taylor
516f5ccf57 [release-branch.go1.10] misc/cgo/testcshared: use file descriptor 30 for TestUnexportedSymbols
Backport of CL 108537 to 1.10 release branch.

We were using file descriptor 100, which requires the Linux kernel to
grow the fdtable size. That step may sometimes require a long time,
causing the test to fail. Switch to file descriptor 30, which should
not require growing the fdtable.

Updates #23784
Fixes #25277

Change-Id: I9d25986f3b59bdeb04aa52407b24aa94712aedff
Reviewed-on: https://go-review.googlesource.com/111995
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-08 16:30:25 +00:00
Alex Brainman
f858dbd1f0 [release-branch.go1.10] crypto/tls: copy and use adjusted syscall.CertChainPolicyPara
As discussed in issue #21376, it is unsafe to have
syscall.CertChainPolicyPara.ExtraPolicyPara uintptr -
it has to be a pointer type. So copy syscall.CertChainPolicyPara
into crypto/tls package, make ExtraPolicyPara unsafe.Pointer,
and use new struct instead of syscall.CertChainPolicyPara.

Fixes #25033

Change-Id: If914af056cbbb0c4d93ffaa915b3d2cb5ecad0cd
Reviewed-on: https://go-review.googlesource.com/111715
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
2018-05-07 15:01:08 +00:00
Andrew Bonventre
71bdbf431b [release-branch.go1.10] go1.10.2
Change-Id: I3d88ab55277e4386177cda06e2eb5a9b0e26cf93
Reviewed-on: https://go-review.googlesource.com/110338
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-04-30 19:03:55 +00:00
Andrew Bonventre
8cbc2b82e3 [release-branch.go1.10] doc: document Go 1.10.2
Change-Id: I84334dfd02ad9a27b3fb6d46a6b1c015a3f03511
Reviewed-on: https://go-review.googlesource.com/110335
Reviewed-by: Filippo Valsorda <filippo@golang.org>
(cherry picked from commit 4bced5e946)
Reviewed-on: https://go-review.googlesource.com/110377
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-04-30 18:03:12 +00:00
Andrew Bonventre
7c1fca5f75 [release-branch.go1.10] doc: document Go 1.9.6
Change-Id: I9699b22d3a308cda685aa684b32dcde99333df46
Reviewed-on: https://go-review.googlesource.com/110315
Reviewed-by: Filippo Valsorda <filippo@golang.org>
(cherry picked from commit 587416c161)
Reviewed-on: https://go-review.googlesource.com/110376
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-04-30 18:02:38 +00:00
James Cowgill
457334d87c [release-branch.go1.10] cmd/internal/obj/mips: load/store even float registers first
There is a bug in Octeon III processors where storing an odd floating
point register after it has recently been written to by a double
floating point operation will store the old value from before the double
operation (there are some extra details - the operation and store
must be a certain number of cycles apart). However, this bug does not
occur if the even register is stored first. Currently the bug only
happens on big endian because go always loads the even register first on
little endian.

Workaround the bug by always loading / storing the even floating point
register first. Since this is just an instruction reordering, it should
have no performance penalty. This follows other compilers like GCC which
will always store the even register first (although you do have to set
the ISA level to MIPS I to prevent it from using SDC1).

Fixes golang/go#24995

Change-Id: I5e73daa4d724ca1df7bf5228aab19f53f26a4976
Reviewed-on: https://go-review.googlesource.com/97735
Reviewed-by: Keith Randall <khr@golang.org>
(cherry picked from commit 423111081b)
Reviewed-on: https://go-review.googlesource.com/110078
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-04-28 20:20:58 +00:00
Daniel Martí
f26ed07f53 [release-branch.go1.10] cmd/internal/test2json: support subtests containing colons
The "updates" lines, such as RUN, do not contain a colon. However,
test2json looked for one anyway, meaning that it would be thrown off if
it encountered a line like:

	=== RUN   TestWithColons/[::1]

In that case, it must not use the first colon it encounters to separate
the action from the test name.

Fixes golang/go#25027

Change-Id: I82eff23e24b83dae183c0cf9f85fc5f409f51c25
Reviewed-on: https://go-review.googlesource.com/98445
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit 0c5cfec844)
Reviewed-on: https://go-review.googlesource.com/110075
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-04-27 20:52:45 +00:00
Josh Bleecher Snyder
5b6ff694bb [release-branch.go1.10] cmd/compile: fix evaluation of "" < s
Fixes #24935

Change-Id: Ifa79ab3dfe69297eeef85f7193cd5f85e5982bc5
Reviewed-on: https://go-review.googlesource.com/106655
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-on: https://go-review.googlesource.com/108944
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-04-27 20:52:26 +00:00
Russ Cox
11d7a5a950 [release-branch.go1.10] cmd/go: fix go list .Stale computation
If X depends on Y and X was installed but Y is only present in the cache
(as happens when you "go install X") then we should report X as up-to-date,
not as stale.

This applies whether X is a package or a main binary.

Fixes golang/go#25026
Fixes golang/go#25032

Change-Id: I26a0b375b1f7f7ac909cc0db68e92f4e04529208
Reviewed-on: https://go-review.googlesource.com/107957
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit 9e0e6981fc)
Reviewed-on: https://go-review.googlesource.com/110076
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-04-27 20:51:11 +00:00
Michael Hudson-Doyle
abccc7a9b5 [release-branch.go1.10] cmd/link: do not pass -no-pie to host linker when -linkshared is passed
As the comment above the code I'm changing says, when building with
-buildmode=exe, the default compiler flags produce code incompatible with PIE.
But when -linkshared is passed, the default compiler flags are not used so this
does not apply. And now I've found a system (linux/arm64 with glibc 2.27) where
this combination of flags causes a problem, albeit for reasons I don't really
understand, so stop passing -no-pie when -linkshared is passed.

Fixes golang/go#24873

Change-Id: I412ec7941dc0cb89e6d1b171fc29288aadcb9f20
Reviewed-on: https://go-review.googlesource.com/104815
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit 2d26a65f8f)
Reviewed-on: https://go-review.googlesource.com/110035
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-04-27 20:12:25 +00:00
David du Colombier
8e1f12f001 [release-branch.go1.10] cmd/go: skip TestVetWithOnlyCgoFiles when cgo is disabled
CL 99175 added TestVetWithOnlyCgoFiles. However, this
test is failing on platforms where cgo is disabled,
because no file can be built.

This change fixes TestVetWithOnlyCgoFiles by skipping
this test when cgo is disabled.

Fixes #24304.

Change-Id: Ibb38fcd3e0ed1a791782145d3f2866f12117c6fe
Reviewed-on: https://go-review.googlesource.com/99275
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
(cherry picked from commit b1335037fa)
Reviewed-on: https://go-review.googlesource.com/103223
Reviewed-by: David du Colombier <0intro@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-29 15:24:13 +00:00
Andrew Bonventre
ac7c0ee26d [release-branch.go1.10] go1.10.1
Change-Id: I0636f60e705f8182d6fba4ce6199c67f94c04e36
Reviewed-on: https://go-review.googlesource.com/103168
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-29 06:09:52 +00:00
Keith Randall
ff5bff8a5f [release-branch.go1.10] runtime: identify special functions by flag instead of address
When there are plugins, there may not be a unique copy of runtime
functions like goexit, mcall, etc.  So identifying them by entry
address is problematic.  Instead, keep track of each special function
using a field in the symbol table.  That way, multiple copies of
the same runtime function will be treated identically.

Fixes #24351
Fixes #23133

Change-Id: Iea3232df8a6af68509769d9ca618f530cc0f84fd
Reviewed-on: https://go-review.googlesource.com/100739
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/102793
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2018-03-29 06:09:45 +00:00
Andrew Bonventre
76b63aaab9 [release-branch.go1.10] doc: update 1.9.5 release notes to include net/http/pprof
Change-Id: I7c0716711a2cadd347fdf242c792b109539f7355
Reviewed-on: https://go-review.googlesource.com/103163
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Reviewed-on: https://go-review.googlesource.com/103166
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-29 06:09:39 +00:00
Andrew Bonventre
051e204c79 [release-branch.go1.10] doc: update release notes for Go 1.9.5
Change-Id: Idf88d289bac9603d852a9d19eb4b764f8589f8d9
Reviewed-on: https://go-review.googlesource.com/103159
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Reviewed-on: https://go-review.googlesource.com/103162
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-29 06:09:31 +00:00
Andrew Bonventre
e069f90e17 [release-branch.go1.10] doc: document Go 1.10.1
Change-Id: Ibba5d4fd8124db9b1e4e50b8f37366f8dd23f47e
Reviewed-on: https://go-review.googlesource.com/103217
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/103222
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-29 06:09:24 +00:00
Andrew Bonventre
04c58320c9 [release-branch.go1.10] doc: document Go 1.9.5
Change-Id: I8f12b188d2e13555e1d7634b9cc0319fc737cb1d
Reviewed-on: https://go-review.googlesource.com/103216
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/103221
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-29 06:09:18 +00:00
Andrew Bonventre
67582b1669 [release-branch.go1.10] net/http/pprof: harden handler responses
A very small number of old browsers consider content as HTML
even when it is explicitly stated in the Content-Type header
that it is not. If content served is based on user-supplied
input, then an XSS is possible. Introduce three mitigations:

+ Don't reflect user input in error strings
+ Set a Content-Disposition header when requesting a resource
  that should never be displayed in a browser window
+ Set X-Content-Type-Options: nosniff on all responses

Change-Id: I81c9d6736e0439ebd1db99cd7fb701cc56d24805
Reviewed-on: https://go-review.googlesource.com/102318
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/103218
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-29 06:09:08 +00:00
Ian Lance Taylor
eef2fd28ca [release-branch.go1.10] cmd/go: add more C compiler/linker options to whitelist
Fixes #23937

Change-Id: Ie63d91355d1a724d0012d99d457d939deeeb8d3e
Reviewed-on: https://go-review.googlesource.com/102818
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Reviewed-on: https://go-review.googlesource.com/103015
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-29 06:09:03 +00:00
Ian Lance Taylor
4bc847d8c9 [release-branch.go1.10] cmd/go: if -race, don't run coverage on runtime packages
Don't compile the runtime packages with coverage when using the race
detector. The user can, perhaps accidentally, request coverage for the
runtime by using -coverpkg=all. If using the race detector, the
runtime package coverage will call into the race detector before it
has been initialized. This will cause the program to crash
mysteriously on startup.

Fixes #23882

Change-Id: I9a63867a9138797d8b8afb0856ae21079accdb27
Reviewed-on: https://go-review.googlesource.com/94898
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Reviewed-on: https://go-review.googlesource.com/103095
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-29 06:08:56 +00:00
Adam Langley
c917b3c32b [release-branch.go1.10] crypto/x509: matching any requested EKU should be sufficient.
The documentation was unclear here and I misremembered the behaviour and
changed it in 1.10: it used to be that matching any EKU was enough but
1.10 requires that all EKUs match.

Restore 1.9 behaviour and clarify the documentation to make it official.

Fixes #24162.

Change-Id: Ic9466cd0799cb27ec3a3a7e6c96f10c2aacc7020
Reviewed-on: https://go-review.googlesource.com/97720
Run-TryBot: Adam Langley <agl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-on: https://go-review.googlesource.com/102790
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-03-29 06:08:46 +00:00
Hiroshi Ioka
9f7d0c968f [release-branch.go1.10] go/internal/srcimporter: simplify and fix package file lookup
The old code was a blend of (copied) code that existed before go/build,
and incorrect adjustments made when go/build was introduced. This change
leaves package path determination entirely to go/build and in the process
fixes issues with relative import paths.

Fixes #23092
Fixes #24392

Change-Id: I9e900538b365398751bace56964495c5440ac4ae
Reviewed-on: https://go-review.googlesource.com/83415
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-on: https://go-review.googlesource.com/102789
Run-TryBot: Andrew Bonventre <andybons@golang.org>
2018-03-29 06:08:40 +00:00
Michael Munday
4e19a5498d [release-branch.go1.10] cmd/compile: mark LAA and LAAG as clobbering flags on s390x
The atomic add instructions modify the condition code and so need to
be marked as clobbering flags.

Fixes #24449.

Change-Id: Ic69c8d775fbdbfb2a56c5e0cfca7a49c0d7f6897
Reviewed-on: https://go-review.googlesource.com/101455
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-on: https://go-review.googlesource.com/102788
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Michael Munday <mike.munday@ibm.com>
2018-03-29 06:08:34 +00:00
Ian Lance Taylor
df9d6204b9 [release-branch.go1.10] net: don't let cancelation of a DNS lookup affect another lookup
Updates #8602
Updates #20703
Fixes #22724

Change-Id: I27b72311b2c66148c59977361bd3f5101e47b51d
Reviewed-on: https://go-review.googlesource.com/100840
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-on: https://go-review.googlesource.com/102787
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-29 06:08:28 +00:00
Tobias Klauser
67b6956270 [release-branch.go1.10] syscall: use Android O friendly fstatat syscall to implement Stat on linux/amd64
The Android O seccomp policy disallows the stat syscall on amd64, see
https://android.googlesource.com/platform/bionic/+/android-4.2.2_r1.2/libc/SYSCALLS.TXT

Use the fstatat syscall with AT_FDCWD and zero flags instead to achieve
the same behavior.

Fixes #24403

Change-Id: I36fc9ec9bc938cd8e9de30f66c0eb9d2e24debf6
Reviewed-on: https://go-review.googlesource.com/100878
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/102976
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-29 06:08:23 +00:00
Tobias Klauser
8d90bb4b19 [release-branch.go1.10] runtime: use Android O friendly faccessat syscall on linux/amd64
The Android O seccomp policy disallows the access syscall on amd64, see
https://android.googlesource.com/platform/bionic/+/android-4.2.2_r1.2/libc/SYSCALLS.TXT

Use the faccessat syscall with AT_FDCWD instead to achieve the same
behavior.

Updates #24403

Change-Id: I9db847c1c0f33987a3479b3f96e721fb9588cde2
Reviewed-on: https://go-review.googlesource.com/100877
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-on: https://go-review.googlesource.com/102995
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-29 06:08:18 +00:00