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Commit Graph

52421 Commits

Author SHA1 Message Date
j178
870256ec89 hash/maphash: use correct method name in comment
Change-Id: I01a3a5232525683c987b52ab8ece3fc18b6f431b
GitHub-Last-Rev: d2ec8fe536
GitHub-Pull-Request: golang/go#52194
Reviewed-on: https://go-review.googlesource.com/c/go/+/398714
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Trust: Daniel Martí <mvdan@mvdan.cc>
2022-04-07 05:42:16 +00:00
mprahl
9a6acc83c8 text/template: support delimiters that can be confused with actions
In fields that start with the same character as the right delimiter, the
whole delimiter needs to be checked. The first character alone is not
sufficient.

Fixes #52165

Change-Id: I1e4086048417693757f34d0e9ff3bf86aba0d35c
Reviewed-on: https://go-review.googlesource.com/c/go/+/398475
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Trust: Ian Lance Taylor <iant@golang.org>
2022-04-06 22:27:40 +00:00
Bryan C. Mills
81ae993e54 net/http: ignore ECONNRESET errors in TestTransportConcurrency on netbsd
The source of these errors is undiagnosed, but they have only been
observed on netbsd builders (on a variety of architectures).

Tested manually by injecting this code into the test's handler:

		if mrand.Intn(4) == 0 {
			if conn, _, err := w.(Hijacker).Hijack(); err == nil {
				conn.(*net.TCPConn).SetLinger(0)
				conn.Close()
				return
			}
		}

and temporarily disabling the 'runtime.GOOS' part of the condition.

For #52168.

Change-Id: I10965803e5a0d493ac4a000575de8b5f0266989c
Reviewed-on: https://go-review.googlesource.com/c/go/+/398635
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-04-06 20:46:47 +00:00
Philippe Antoine
5bb2628c6f bytes: limit allocation in SplitN
So that bytes.SplitN("", "T", int(144115188075855872)) does not panic.

Change-Id: I7c068852bd708416164fc2ed8b84cf6b2d593666
GitHub-Last-Rev: f8df09d65e
GitHub-Pull-Request: golang/go#52147
Reviewed-on: https://go-review.googlesource.com/c/go/+/398076
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: mzh <mzh@golangcn.org>
2022-04-06 03:13:34 +00:00
Meng Zhuo
6c17529af7 cmd/internal/obj: set morestack arg spilling and regabi prologue on riscv64
This CL spill arg registers before calling morestack, unspill
after.
Also, avoid X11,X12,X13 in function prologue, which may carry
live argument value.

Change-Id: I7a2841fbe306f62a7765e212f9f0be5c11ce7f8c
Reviewed-on: https://go-review.googlesource.com/c/go/+/396655
Trust: mzh <mzh@golangcn.org>
Run-TryBot: mzh <mzh@golangcn.org>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
2022-04-06 01:11:21 +00:00
Roland Shoemaker
2de2f6df64 crypto/x509: add new CRL parser, deprecate old one
Adds a new, cryptobyte based, CRL parser, which returns a
x509.RevocaitonList, rather than a pkix.CertificateList. This allows us
to return much more detailed information, as well as leaving open the
option of adding further information since RevocationList is not a
direct ASN.1 representation like pkix.CertificateList. Additionally
a new method is added to RevocationList, CheckSignatureFrom, which is
analogous to the method with the same name on Certificate, which
properly checks that the signature is from an issuing certiifcate.

This change also deprecates a number of older CRL related functions and
types, which have been replaced with the new functionality introduced
in this change:
  * crypto/x509.ParseCRL
  * crypto/x509.ParseDERCRL
  * crypto/x509.CheckCRLSignature
  * crypto/x509/pkix.CertificateList
  * crypto/x509/pkix.TBSCertificateList

Fixes #50674

Change-Id: I27dc219e39bef09a396e666b4fccaa32578fd913
Reviewed-on: https://go-review.googlesource.com/c/go/+/390834
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Roland Shoemaker <roland@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
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2022-04-05 23:32:55 +00:00
Ian Lance Taylor
dbb52cc9f3 net/url: preserve a trailing slash in JoinPath
Fixes #52074

Change-Id: I30897f32e70a6ca0c4e11aaf07088c27336efaba
Reviewed-on: https://go-review.googlesource.com/c/go/+/397256
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Matt Layher <mdlayher@gmail.com>
Trust: Matt Layher <mdlayher@gmail.com>
2022-04-05 22:09:11 +00:00
Bryan C. Mills
69756b38f2 cmd/dist: move more environment logic into cmd/dist from make and run scripts
'go tool dist env' outputs different (and fewer) environment variables
than 'go env'. The 'go tool dist env' variables should be
authoritative, whereas many printed by 'go env' are merely
informational (and not intended to be overridden in the actual
environment).

Fixes #52009

Change-Id: Ic0590153875183135cebf7ca55ead7c2b4038569
Reviewed-on: https://go-review.googlesource.com/c/go/+/398061
Trust: Bryan Mills <bcmills@google.com>
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2022-04-05 21:45:19 +00:00
Bryan C. Mills
5a6a830c1c cmd/vendor: undo stray edits from CL 384262
cmd/internal/moddeps is currently failing on the longtest builders
because vendored third-party dependencies were accidentally edited as
part of CL 384262 (a global cleanup of the standard library).

Updates #51082

Change-Id: I6f79c8f1177420a51128ce42d6c14fa5dcc4bd7b
Reviewed-on: https://go-review.googlesource.com/c/go/+/398455
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-04-05 18:58:52 +00:00
Russ Cox
9e16cc1541 hash/maphash: add Bytes and String
For very small inputs, h.Reset+h.Write+h.Sum64 is fundamentally
slower than a single operation, by about a factor of two, because
Write must copy the data into h's buffer, just in case there is another
Write before the Sum64.

A single function doing the whole sequence knows there is no extra
write that will happen, so it doesn't need the buffer, so it avoids the copy.

Fixes #42710.

Change-Id: Icc79c68ccb10827f6640071d026df86b4940fcc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/392494
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
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2022-04-05 18:01:26 +00:00
Russ Cox
9839668b56 all: separate doc comment from //go: directives
A future change to gofmt will rewrite

	// Doc comment.
	//go:foo

to

	// Doc comment.
	//
	//go:foo

Apply that change preemptively to all comments (not necessarily just doc comments).

For #51082.

Change-Id: Iffe0285418d1e79d34526af3520b415a12203ca9
Reviewed-on: https://go-review.googlesource.com/c/go/+/384260
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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2022-04-05 17:54:15 +00:00
Russ Cox
81431c7aa7 all: replace `` and '' with “ (U+201C) and ” (U+201D) in doc comments
go/doc in all its forms applies this replacement when rendering
the comments. We are considering formatting doc comments,
including doing this replacement as part of the formatting.
Apply it to our source files ahead of time.

For #51082.

Change-Id: Ifcc1f5861abb57c5d14e7d8c2102dfb31b7a3a19
Reviewed-on: https://go-review.googlesource.com/c/go/+/384262
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-04-05 17:52:29 +00:00
Bryan C. Mills
b4cabaf8c0 os/signal: run TestNotifyContextNotifications subtests in parallel
If we run out of time on the first subtest, we don't want to start the
second one with essentially no time remaining. (Moreover, there is no
compelling reason not to run these tests in parallel, since they send
signals to separate processes.)

For #51054.

Change-Id: I0424e08c3a9d2db986568d5a5c004859b52f7c51
Reviewed-on: https://go-review.googlesource.com/c/go/+/398454
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Henrique Vicente de Oliveira Pinto <henriquevicente@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-04-05 17:35:18 +00:00
zhouguangyuan
7c45dafdb2 cmd/internal/objabi: fix FuncID of runtime.rt0_go and runtime.systemstack_switch
Fixes #52092

Change-Id: I774a6722c6e3ce6781e1d8bc16ac68efee6f9c70
Reviewed-on: https://go-review.googlesource.com/c/go/+/396797
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Trust: Ian Lance Taylor <iant@golang.org>
2022-04-05 17:12:35 +00:00
Roland Shoemaker
65153e478e crypto/x509: rework path building
This change does four things:
  * removes the chain cache
  * during path building, equality is determined by checking if the
    subjects and public keys match, rather than checking if the entire
    certificates are equal
  * enforces EKU suitability during path building
  * enforces name constraints on intermediates and roots which have
    SANs during path building

The chain cache is removed as it was causing duplicate chains to be
returned, in some cases shadowing better, shorter chains if a longer
chain was found first.

Checking equality using the subjects and public keys, rather than the
entire certificates, allows the path builder to ignore chains which
contain cross-signature loops.

EKU checking is done during path building, as the previous behavior
of only checking EKUs once the path had been built caused the path
builder to incorrectly ignore valid paths when it encountered a path
which would later be ruled invalid because of unacceptable EKU usage.

Name constraints are applied uniformly across all certificates, not
just leaves, in order to be more consistent.

Fixes #48869
Fixes #45856

Change-Id: I4ca1cd43510d061e148f953d6c1ed935100fdb10
Reviewed-on: https://go-review.googlesource.com/c/go/+/389555
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Cherry Mui <cherryyz@google.com>
Trust: Roland Shoemaker <roland@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
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2022-04-05 17:00:25 +00:00
Lasse Folger
4739b353bb [dev.boringcrypto] all: merge master into dev.boringcrypto
Change-Id: Iaf618444dd2d99721c19708df9ce2c1f35854efd
2022-04-05 18:53:15 +02:00
vpachkov
1a955bcdb7 reflectdata: unroll a loop in array equal function generation
As josharian mentioned, a compare function could benefit from
unrolling a loop for arrays. This commit introduces such
functionality.

name                     old time/op  new time/op  delta
EqArrayOfStrings5-12     12.5ns ± 1%   8.4ns ± 1%  -33.05%  (p=0.008 n=5+5)
EqArrayOfStrings64-12    71.7ns ± 1%  64.1ns ± 1%  -10.57%  (p=0.008 n=5+5)
EqArrayOfStrings1024-12  1.12µs ± 1%  1.01µs ± 0%   -9.77%  (p=0.008 n=5+5)
[Geo mean]                100ns         81ns       -18.56%

name                    old time/op  new time/op  delta
EqArrayOfFloats5-12     4.50ns ± 2%  3.32ns ± 1%  -26.09%  (p=0.008 n=5+5)
EqArrayOfFloats64-12    41.3ns ± 1%  35.7ns ± 0%  -13.63%  (p=0.016 n=5+4)
EqArrayOfFloats1024-12   619ns ± 1%   557ns ± 1%   -9.95%  (p=0.008 n=5+5)
[Geo mean]              48.6ns       40.4ns       -16.85%

Change-Id: If1b69c5cf3fb246bb0275a292118b0b93ad9c9a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/368614
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
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2022-04-05 14:34:18 +00:00
Bryan C. Mills
5210a71285 run.bat: use cmd/dist instead of 'go install' to rebuild std and cmd
cmd/dist may set and/or unset variables before building, and at any
rate it is fragile to run 'go install' before sourcing env.bat.

The build-stamp information embedded by the 'go' command is currently
sensitive to whether CGO_* variables are implicit or explicit, so running
'go install' before env.bat may cause stamped metadata to become stale.
(Explicitly setting to the default arguably ought to produce the same
metadata as leaving the variables unset, but that's a separate issue
and a bigger cleanup.)

Moreover, run.bat is supposed to parallel run.bash, and run.bash
already hasn't invoked 'go install' itself since CL 6531!

For #52009

Change-Id: Ie35217913f02cc7e0c3f9b12874abd7416473478
Reviewed-on: https://go-review.googlesource.com/c/go/+/398060
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2022-04-05 14:18:19 +00:00
Bryan C. Mills
592078ff3f cmd/go/internal/work: omit modinfo line from cache key when empty
Cache keys are dumped in case of mismatch; an empty modinfo string
adds noise to that dump without a corresponding benefit.

For #52009.

Change-Id: I1b4cd85fa5ff920973552fc94977954f93622a32
Reviewed-on: https://go-review.googlesource.com/c/go/+/398059
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-04-05 14:16:39 +00:00
Bryan C. Mills
62bceae32d cmd/go: quote fragments in CGO_ env variables reported by 'go env'
These fields have been parsed as quoted fields since CL 334732,
but we missed the unparsing side in 'go env'.

Certain scripts (notably make.ba{sh,t}) expect to be able to set the
environment to exactly what 'go env' reports, so for round-trip
purposes it is important to match the marshaling and unmarshaling
functions.

(Noticed while debugging #52009.)
Updates #41400

Change-Id: I0ff39b7a6e1328111c285c97cd23f79b723f3c73
Reviewed-on: https://go-review.googlesource.com/c/go/+/398058
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-04-05 14:15:59 +00:00
Filippo Valsorda
a5f801f39d crypto/elliptic: delete outdated fuzz test
It had not been doing anything since CL 233939, because the Params
method was getting upgraded to the assembly one. We could make it use
genericParamsForCurve, but really we need lower-level, targeted Go 1.18
fuzz targets in nistec now.

Change-Id: I5b198a309aa90ecef9c04aaa6c107d5c0a41a44b
Reviewed-on: https://go-review.googlesource.com/c/go/+/396254
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Trust: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
2022-04-05 09:26:22 +00:00
Filippo Valsorda
a041a75295 crypto/elliptic: fix BenchmarkMarshalUnmarshal/Compressed
Change-Id: Ifbf4a95e5f315a88633ec0170625cadb087167c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/396934
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Trust: Filippo Valsorda <filippo@golang.org>
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2022-04-05 09:26:01 +00:00
Dmitri Shuralyov
eec47d06c1 api: add x509.CertPool.Equal to next/46057.txt
CL 388915 added an exported API but was authored (and tested)
before the API check became stricter.

Updates #46057.

Change-Id: Iee6e4969ade77fb0539fa97fcef0047389fb2cf6
Reviewed-on: https://go-review.googlesource.com/c/go/+/398237
Trust: Dmitri Shuralyov <dmitshur@golang.org>
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2022-04-05 03:54:36 +00:00
Dan Kortschak
07b0c57a75 crypto/subtle: note that input length mismatch makes ConstantTimeCompare return immediately
Change-Id: Id1ae6c8fbb8c2f31b251ba141dc2bbedae189006
Reviewed-on: https://go-review.googlesource.com/c/go/+/316169
Trust: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Trust: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
2022-04-05 01:54:27 +00:00
Filippo Valsorda
c18f398f32 crypto/rand: make Prime not deterministic for a fixed input stream
rand.Prime does not guarantee the precise prime selection algorithm as
part of its contract. For example, it changed slightly in CL 387554. We
want to ensure that no tests come to rely on it staying the same, so
just like other cryptographic functions that use randomness in an
unspecified way (ECDSA signing, RSA PKCS #1 v1.5 encryption, RSA key
generation), make it randomly read an extra byte or not.

Change-Id: Ib9079c03360812d412b7c21d5a06caadabb4a8bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/391554
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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2022-04-05 01:35:39 +00:00
Roland Shoemaker
4aacb7ff0f crypto/x509: add CertPool.Equal
Fixes #46057

Change-Id: Id3af101c54108d6fd5b65946c4358872358eefcc
Reviewed-on: https://go-review.googlesource.com/c/go/+/388915
Trust: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Damien Neil <dneil@google.com>
2022-04-05 01:32:49 +00:00
Xiaodong Liu
cd33b4089c debug: define ELF relocation for loong64
Contributors to the loong64 port are:
  Weining Lu <luweining@loongson.cn>
  Lei Wang <wanglei@loongson.cn>
  Lingqin Gong <gonglingqin@loongson.cn>
  Xiaolin Zhao <zhaoxiaolin@loongson.cn>
  Meidan Li <limeidan@loongson.cn>
  Xiaojuan Zhai <zhaixiaojuan@loongson.cn>
  Qiyuan Pu <puqiyuan@loongson.cn>
  Guoqi Chen <chenguoqi@loongson.cn>

This port has been updated to Go 1.15.6:
  https://github.com/loongson/go

For #46229

Change-Id: I0c58305754c20d2a59328adbd82caa527de254ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/396735
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-04-04 21:43:42 +00:00
Jared Horvat
0b3cb1a56c doc/go_spec.html: update type identity example
In the Type identity section, the example provides various types as givens.

The example refers to the type *T5, but it is not provided in the givens.

I am assuming this was a typo, and was meant to refer to *A1 or *B1.
*B1 seems to be in alignment with the rest of the provided examples.

Change-Id: I554319ee8bca185c3643559321417e8b2a544ba0
GitHub-Last-Rev: e80560d32a
GitHub-Pull-Request: golang/go#52143
Reviewed-on: https://go-review.googlesource.com/c/go/+/398075
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Ian Lance Taylor <iant@golang.org>
2022-04-04 21:36:50 +00:00
Russ Cox
5c4ed73f1c internal/goexperiment: add GOEXPERIMENT=boringcrypto
Not hooked up to everything else yet.

Copy of CL 395880, for setting up GOEXPERIMENT=boringcrypto
builder ahead of merge.

For #51940.

Change-Id: If842761f77d07329d88748990b95f4b39c2f153a
Reviewed-on: https://go-review.googlesource.com/c/go/+/397895
Trust: Russ Cox <rsc@golang.org>
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2022-04-04 21:06:49 +00:00
Russ Cox
ef55053354 make.bash: disable GOEXPERIMENT when using bootstrap toolchain
When using Go 1.4 this doesn't matter, but when using Go 1.17,
the bootstrap toolchain will complain about unknown GOEXPERIMENT settings.
Clearly GOEXPERIMENT is for the toolchain being built, not the bootstrap.

Already submitted as CL 395879 on the dev.boringcrypto branch,
but needed on master to set up GOEXPERIMENT=boringcrypto
builder ahead of merge.

For #51940.

Change-Id: Ib6a4099cca799b4d5df1974cdb5471adb0fd557d
Reviewed-on: https://go-review.googlesource.com/c/go/+/397894
Trust: Russ Cox <rsc@golang.org>
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2022-04-04 21:06:39 +00:00
Ian Lance Taylor
11ec59a60e unsafe: document that Sizeof includes field alignment
Fixes #52018

Change-Id: I6d06d5b5279b9bdc899b0ad43488577d3c0b94be
Reviewed-on: https://go-review.googlesource.com/c/go/+/397516
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Rob Pike <r@golang.org>
2022-04-04 20:37:59 +00:00
Wayne Zuo
7fbabe8d57 cmd/compile: use shlx&shrx instruction for GOAMD64>=v3
The SHRX/SHLX instruction can take any general register as the shift count operand, and can read source from memory. This CL introduces some operators to combine load and shift to one instruction.

For #47120

Change-Id: I13b48f53c7d30067a72eb2c8382242045dead36a
Reviewed-on: https://go-review.googlesource.com/c/go/+/385174
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-04-04 20:07:23 +00:00
Cherry Mui
6f1dce0fcb runtime/race: update PPC64LE syso file to new TSAN runtime (v3)
In CL 397494 Linux/PPC64LE syso was not updated due to  test
failure. It should be fixed by the previous CL and should work
now.

Change-Id: Ieb0993ded5541397094d3aecae28c5255c822eac
Reviewed-on: https://go-review.googlesource.com/c/go/+/397676
Trust: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
2022-04-04 19:54:13 +00:00
Matthew Dempsky
e146d3eafa cmd/compile: switch to final unified IR export format
Now that there's a native go/types importer for unified IR, the
compiler no longer needs to stay backwards compatible with old iexport
importers.

This CL also updates the go/types and go/internal/gcimporter tests to
expect that the unified IR importer sets the receiver parameter type
to the underlying Interface type, rather than the Named type. This is
a temporary workaround until we make a decision on #49906.

Notably, this makes `GOEXPERIMENT=unified go test` work on generics
code without requiring `-vet=off` (because previously cmd/vet was
relying on unified IR's backwards-compatible iexport data, which
omitted generic types).

Change-Id: Iac7a2346bb7a91e6690fb2978fb702fadae5559d
Reviewed-on: https://go-review.googlesource.com/c/go/+/386004
Trust: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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2022-04-04 18:33:29 +00:00
Matthew Dempsky
deaec2ecb3 go/internal/gcimporter: add support for unified IR
This CL ports unified IR's types2 importer back to the go/types
API. Notably, it drops support for lazy importing, because those APIs
aren't exposed yet via go/types.

Also, it supports unified IR's "final" data format, which wholey
replaces the iexport data format rather than the current
backwards-compatible hack that cmd/compile uses. The next CL will
switch the compiler to using this same format.

Change-Id: I44e1744bbdc384c9c354119975e68befdc117cff
Reviewed-on: https://go-review.googlesource.com/c/go/+/386002
Trust: Matthew Dempsky <mdempsky@google.com>
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2022-04-04 18:32:58 +00:00
uji
7d1e07049f make.bash: document CC_FOR_${GOOS}_${GOARCH}
Fixes #51306

Change-Id: I5989d86fe5ac4d02793b2ecb00c549d9586763da
GitHub-Last-Rev: 6b0f6bee43
GitHub-Pull-Request: golang/go#51379
Reviewed-on: https://go-review.googlesource.com/c/go/+/388176
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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2022-04-04 17:35:32 +00:00
Xiaodong Liu
5bfd51147e copyright: add Loongson into AUTHORS
Contributors to the loong64 port are:
  Weining Lu <luweining@loongson.cn>
  Lei Wang <wanglei@loongson.cn>
  Lingqin Gong <gonglingqin@loongson.cn>
  Xiaolin Zhao <zhaoxiaolin@loongson.cn>
  Meidan Li <limeidan@loongson.cn>
  Xiaojuan Zhai <zhaixiaojuan@loongson.cn>
  Qiyuan Pu <puqiyuan@loongson.cn>
  Guoqi Chen <chenguoqi@loongson.cn>

This port has been updated to Go 1.15.6:
  https://github.com/loongson/go

Updates #46229

Change-Id: I23fb430f1f6e8a587f13e2f020721cbd3a45d4ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/342303
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-04-04 17:30:33 +00:00
Rob Pike
c58f1bb65f text/template: permit eq and ne funcs to check against nil
The existing code errors out immediately if the argument is not
"comparable", making it impossible to test a slice, map, and so
on from being compared to nil.

Fix by delaying the "comparable" error check until we encounter
an actual check between two non-comparable, non-nil values.

Note for the future: reflect makes it unnecessarily clumsy
to deal with nil values in cases like this. For instance, it
should be possible to check if a value is nil without stepping
around a panic. See the new functions isNil and canCompare
for my (too expensive) workaround.

Fixes #51642

Change-Id: Ic4072698c4910130ea7e3d76e7a148d8a8b88162
Reviewed-on: https://go-review.googlesource.com/c/go/+/392274
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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2022-04-04 17:28:30 +00:00
zlasd
ac313524fe reflect: fix Value.NumMethod docs
NumMethod counts unexported methods for interface types. This
behavior is documented in Type.NumMethod

Fixes #42123

Change-Id: Ia5aba353a8cc64190c701d1521972d57e8903564
Reviewed-on: https://go-review.googlesource.com/c/go/+/396075
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-04-04 17:27:45 +00:00
Roland Shoemaker
35998c0109 crypto/x509: only disable SHA-1 verification for certificates
Disable SHA-1 signature verification in Certificate.CheckSignatureFrom,
but not in Certificate.CheckSignature. This allows verification of OCSP
responses and CRLs, which still use SHA-1 signatures, but not on
certificates.

Updates #41682

Change-Id: Ia705eb5052e6fc2724fed59248b1c4ef8af6c3fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/394294
Trust: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Jordan Liggitt <liggitt@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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2022-04-04 16:49:52 +00:00
Cuong Manh Le
efbe17d6f1 cmd/compile: support reading union type for compiler backend in unified IR
Fixes #52124

Change-Id: I5749822d41d8e51f476bceb277b1d2cf7350dcc3
Reviewed-on: https://go-review.googlesource.com/c/go/+/397874
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2022-04-04 16:25:52 +00:00
Cherry Mui
c8110c3df6 runtime: use proper C ABI for race call on PPC64LE
On PPC64LE, the C ABI requires SP to be 16-byte aligned. Also, in
the C ABI the callee may save LR, CR, R2 etc. to the 4 reserved
words of the caller's frame. This CL aligns the SP and reserves
the space on stack.

Change-Id: I738880028815b7d3402647e4ebbdae37f45acc77
Reviewed-on: https://go-review.googlesource.com/c/go/+/397675
Trust: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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2022-04-04 15:53:45 +00:00
Robert Griesemer
35fb79be6a go/types, types2: fix overlap test for union termlist
Per the spec, "the type sets of all non-interface terms must be
pairwise disjoint (the pairwise intersection of the type sets must
be empty)" in a union.

For the overlap test, the existing implementation casually mixed
syntactic union terms (which may have interface type) with type set
terms (which are normalized/expanded and must not have interface
type). As a consequence, in some cases the overlap test failed.

This change skips terms with interface types in the overlap test.

Fixes #51607.

Change-Id: I8ae9953db31f0a0428389c6a45a6696aa2450219
Reviewed-on: https://go-review.googlesource.com/c/go/+/397695
Trust: Robert Griesemer <gri@golang.org>
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Reviewed-by: Robert Findley <rfindley@google.com>
2022-04-04 15:47:50 +00:00
Bryan Mills
f86f9a3038 Revert "os: add handling of os.Interrupt for windows"
This reverts CL 367495.

Reason for revert: broke `x/tools` tests on Windows.

Change-Id: Iab6b33259181c9520cf8db1e5b6edfeba763f974
Reviewed-on: https://go-review.googlesource.com/c/go/+/397997
Trust: Bryan Mills <bcmills@google.com>
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2022-04-04 15:12:26 +00:00
Russ Cox
1af60b2f49 regexp/syntax: add and use ErrInvalidDepth
The fix for #51112 introduced a depth check but used
ErrInternalError to avoid introduce new API in a CL that
would be backported to earlier releases.

New API accepted in proposal #51684.

This CL adds a distinct error for this case.

For #51112.
Fixes #51684.

Change-Id: I068fc70aafe4218386a06103d9b7c847fb7ffa65
Reviewed-on: https://go-review.googlesource.com/c/go/+/384617
Trust: Russ Cox <rsc@golang.org>
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2022-04-04 10:59:27 +00:00
Filippo Rossi
492c85ab84 cmd/go: prevent panic in go work use
Check if paths passed as arguments are existing directories.

Fixes #51841
Fixes #51749

Change-Id: Icfd148627e6f2c4651d6f923a37d413e68c67f6c
GitHub-Last-Rev: 77fffa7635
GitHub-Pull-Request: golang/go#51845
Reviewed-on: https://go-review.googlesource.com/c/go/+/394154
Trust: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
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2022-04-04 06:48:45 +00:00
hopehook
884e75fa53 reflect: fix the collision of variable name and package name
The return value "abi" of func "funcLayout" is the same as package
"internal/abi", which currently works fine, but it is more reliable to
avoid conflicts.

Change-Id: I83715dd79beff7cb3fc25747fef186dc0e2dfa8b
Reviewed-on: https://go-review.googlesource.com/c/go/+/385414
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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2022-04-04 04:04:18 +00:00
Wayne Zuo
a92ca51507 cmd/compile: use LZCNT instruction for GOAMD64>=3
LZCNT is similar to BSR, but BSR(x) is undefined when x == 0, so using
LZCNT can avoid a special case for zero input. Except that case,
LZCNTQ(x) == 63-BSRQ(x) and LZCNTL(x) == 31-BSRL(x).

And according to https://www.agner.org/optimize/instruction_tables.pdf,
LZCNT instructions are much faster than BSR on AMD CPU.

name              old time/op  new time/op  delta
LeadingZeros-8    0.91ns ± 1%  0.80ns ± 7%  -11.68%  (p=0.000 n=9+9)
LeadingZeros8-8   0.98ns ±15%  0.91ns ± 1%   -7.34%  (p=0.000 n=9+9)
LeadingZeros16-8  0.94ns ± 3%  0.92ns ± 2%   -2.36%  (p=0.001 n=10+10)
LeadingZeros32-8  0.89ns ± 1%  0.78ns ± 2%  -12.49%  (p=0.000 n=10+10)
LeadingZeros64-8  0.92ns ± 1%  0.78ns ± 1%  -14.48%  (p=0.000 n=10+10)

Change-Id: I125147fe3d6994a4cfe558432780408e9a27557a
Reviewed-on: https://go-review.googlesource.com/c/go/+/396794
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
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2022-04-04 04:01:17 +00:00
Wayne Zuo
ba6df85c7c cmd/compile: add MOVBEWstore support for GOAMD64>=3
This CL add MOVBE support for 16-bit version, but MOVBEWload is
excluded because it does not satisfy zero extented.

For #51724

Change-Id: I3fadf20bcbb9b423f6355e6a1e340107e8e621ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/396617
Reviewed-by: Keith Randall <khr@golang.org>
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2022-04-03 23:48:16 +00:00
Constantin Konstantinidis
345184496c os: add handling of os.Interrupt for windows
Add GenerateConsoleCtrlEvent call to internal syscall package.
Define ErrProcessDone while reviewing handling of os.Signal().
Update test to run for windows using the added call.

Fixes #42311
Fixes #46354

Change-Id: I460955efc76c4febe04b612ac9a0670e62ba5ff3
Reviewed-on: https://go-review.googlesource.com/c/go/+/367495
Trust: Patrik Nyblom <pnyb@google.com>
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2022-04-03 21:26:39 +00:00