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Commit Graph

59346 Commits

Author SHA1 Message Date
qiulaidongfeng
ff4e45fbc2 cmd/compile/internal/reflectdata,reflect: merge MaxPtrmaskBytes const into internal/abi
For #59670

Change-Id: I5c0a463f54208db215683f11e6454d0178edda3c
GitHub-Last-Rev: 6963f3c8fb
GitHub-Pull-Request: golang/go#64904
Reviewed-on: https://go-review.googlesource.com/c/go/+/553275
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2024-02-20 16:10:05 +00:00
Paul E. Murphy
af3f94ce64 cmd/cgo/internal/test: disable issue8694 and issue9510 on ppc64x with internal linking
These link in libgcc functions which require more advanced handling
of small toc relocations. The internal linker is not capable of
placing these functions to ensure they are always resolvable.

Change-Id: Idd4a0264bfbbd7016472120dc4bee84814e8c2eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/564235
Run-TryBot: Paul Murphy <murp@ibm.com>
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Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
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2024-02-20 15:35:35 +00:00
hi-rustin
6a36e55d4a runtime/pprof: update outdated google/pprof link
Google/pprof changed the master branch to main, so it might be better to update it to the latest.

Change-Id: Id29aca80a9a83a9c10da215180ad65816bc88936
GitHub-Last-Rev: 0023c28dc0
GitHub-Pull-Request: golang/go#65792
Reviewed-on: https://go-review.googlesource.com/c/go/+/565177
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2024-02-20 14:59:57 +00:00
Shang Ding
ff0b46cfbb testing/fstest: return base name from mapfs FileInfo.Name
Change-Id: I5a68389a68875dbb2f6875de3f64f63dd7ca1af7
Reviewed-on: https://go-review.googlesource.com/c/go/+/565055
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2024-02-20 14:59:55 +00:00
Andy Pan
a3c35430fc runtime/internal/syscall: merge duplicate constants
Change-Id: Ifdc6e22d52317cdb90a607ac4d72437d4d6b33e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/564716
Auto-Submit: Ian Lance Taylor <iant@google.com>
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2024-02-20 14:59:53 +00:00
Andy Pan
d068c2cb62 runtime: use eventfd as the event wait/notify mechanism for epoll
Fixes #65443

Change-Id: I9ad4689b36e87ee930d35a38322a8797896483b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/560615
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Reviewed-by: Ian Lance Taylor <iant@google.com>
2024-02-20 14:59:49 +00:00
Mauri de Souza Meneguzzo
c4d55ab912 regexp/syntax: regenerate docs with mksyntaxgo
This makes the docs up-to-date by running doc/mksyntaxgo from the google/re2 repo.

Change-Id: I80358eed071e7566c85edaeb1cc5514a6d8c37a7
GitHub-Last-Rev: 0f8c8df4f2
GitHub-Pull-Request: golang/go#65249
Reviewed-on: https://go-review.googlesource.com/c/go/+/558136
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2024-02-20 14:57:37 +00:00
qiulaidongfeng
0a04641871 hash/maphash: parallel run test
This reduces the go test hash/maphash time
by more than half.

Change-Id: If184ca99544809c86b4c1baeb45d3afede91b41a
GitHub-Last-Rev: 440c35f8b5
GitHub-Pull-Request: golang/go#65739
Reviewed-on: https://go-review.googlesource.com/c/go/+/564576
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
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Reviewed-by: Keith Randall <khr@google.com>
2024-02-20 14:56:36 +00:00
Julian Tibble
098a87fb19 net/http: add missing call to decConnsPerHost
A recent change to Transport.dialConnFor introduced an early return that
skipped dialing. This path did not call decConnsPerHost, which can cause
subsequent HTTP calls to hang if Transport.MaxConnsPerHost is set.

Fixes: #65705

Change-Id: I157591114b02a3a66488d3ead7f1e6dbd374a41c
Reviewed-on: https://go-review.googlesource.com/c/go/+/564036
Reviewed-by: Damien Neil <dneil@google.com>
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2024-02-20 14:56:00 +00:00
Andy Pan
d42cd452dc net: add KeepAliveConfig and implement SetKeepAliveConfig
Fixes #62254
Fixes #48622

Change-Id: Ida598e7fa914c8737fdbc1c813bcd68adb5119c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/542275
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2024-02-20 06:04:31 +00:00
kkhaike
aaf8e844ed net: prevent unintended retries upon receiving an empty answer response from the DNS server.
CL https://golang.org/cl/37879 migrates DNS message parsing to the golang.org/x/net/dns/dnsmessage package. However, during the modification of the "lame referral" error check introduced by CL https://golang.org/cl/22428, a condition was overlooked. This omission results in unexpected retries when a DNS server returns an empty response (not an invalid response, but one that includes an additional section).

Fixes #57697
Fixes #64783

Change-Id: I203896aa2902c305569005c1712fd2f9f13a9b6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/550435
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2024-02-19 20:51:15 +00:00
aimuz
e5f4c68c44 net/netip: optimize parseIPv4 and refactor IPv6 embedded IPv4 parsing
This change refactors the parseIPv4 function to extract a new helper
function, parseIPv4Fields, which is now used by both parseIPv4 and
parseIPv6 functions. The extraction of this logic into a separate
helper function removes code duplication and improves the performance
of parsing IPv6 addresses that contain an embedded IPv4 address.

Additionally, the error handling within the IP address parsing logic
has been streamlined to provide clearer messages when encountering
incorrect formats or values in IPv4 fields.

Benchmark:

```
benchstat old.out new.out
goos: darwin
goarch: amd64
pkg: net/netip
cpu: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
                             │    old.out    │               new.out               │
                             │    sec/op     │   sec/op     vs base                │
ParseAddr/v4-12                 22.23n ±  2%   21.86n ± 2%        ~ (p=0.127 n=10)
ParseAddr/v6-12                 69.67n ±  7%   70.31n ± 1%        ~ (p=0.128 n=10)
ParseAddr/v6_ellipsis-12        48.22n ± 17%   48.58n ± 1%        ~ (p=0.739 n=10)
ParseAddr/v6_v4-12              60.73n ± 36%   51.54n ± 1%  -15.14% (p=0.000 n=10)
ParseAddr/v6_zone-12           102.50n ± 22%   93.50n ± 0%   -8.79% (p=0.000 n=10)
ParseAddrPort/v4-12             38.07n ±  1%   36.84n ± 2%   -3.22% (p=0.000 n=10)
ParseAddrPort/v6-12             84.61n ±  1%   87.21n ± 1%   +3.07% (p=0.000 n=10)
ParseAddrPort/v6_ellipsis-12    69.65n ±  8%   64.56n ± 2%   -7.31% (p=0.023 n=10)
ParseAddrPort/v6_v4-12          71.88n ±  1%   70.61n ± 1%   -1.76% (p=0.000 n=10)
ParseAddrPort/v6_zone-12        119.0n ±  2%   118.0n ± 2%        ~ (p=0.108 n=10)
geomean                         62.38n         60.17n        -3.54%

                             │   old.out    │               new.out               │
                             │     B/op     │    B/op     vs base                 │
ParseAddr/v4-12                0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6-12                0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6_ellipsis-12       0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6_v4-12             0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6_zone-12           0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v4-12            0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6-12            0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6_ellipsis-12   0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6_v4-12         0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6_zone-12       0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
geomean                                   ²               +0.00%                ²
¹ all samples are equal
² summaries must be >0 to compute geomean

                             │   old.out    │               new.out               │
                             │  allocs/op   │ allocs/op   vs base                 │
ParseAddr/v4-12                0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6-12                0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6_ellipsis-12       0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6_v4-12             0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddr/v6_zone-12           0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v4-12            0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6-12            0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6_ellipsis-12   0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6_v4-12         0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
ParseAddrPort/v6_zone-12       0.000 ± 0%     0.000 ± 0%       ~ (p=1.000 n=10) ¹
geomean                                   ²               +0.00%                ²
¹ all samples are equal
² summaries must be >0 to compute geomean
```

Change-Id: I403cb76f449a0bf203a821294df25d3c9031df4c
GitHub-Last-Rev: 917f78ce4e
GitHub-Pull-Request: golang/go#64219
Reviewed-on: https://go-review.googlesource.com/c/go/+/543179
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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2024-02-19 20:51:11 +00:00
Olivier Mengué
0882ca7a73 hash/crc32: fix code generator to use the Go standard
Apply the Go standard for code generation (https://go.dev/s/generatedcode)
to generated crc32_table_ppc64le.s despites this is not
generated Go but Assembly.  This is to help prevent changes like CL 478976
that changed the generated output without fixing the generator.

Add gen.go to allow to launch code generation with "go generate".

Change-Id: I8671284265425826c8620dbec055519b992fa04e
Reviewed-on: https://go-review.googlesource.com/c/go/+/556335
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
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2024-02-19 20:44:20 +00:00
Mateusz Poliwczak
7ecef2e344 net: move go/cgo resolver forcing functions to one file
The forceGoDNS/forceCgoDNS functions currently return nil
or an empty func on plan9, but they don't have to, because
we already support go resolver there (Dial field required).

Change-Id: Iba6211ca0235874f39e5fcacb3932bb16768c702
GitHub-Last-Rev: 4072ad4a05
GitHub-Pull-Request: golang/go#63545
Reviewed-on: https://go-review.googlesource.com/c/go/+/534938
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2024-02-19 20:29:27 +00:00
Mateusz Poliwczak
968b71bce4 strings: make use of sizeclasses in (*Builder).Grow
Fixes #64833

Change-Id: Ice3f5dfab65f5525bc7a6f57ddeaabda8d64dfa3
GitHub-Last-Rev: 38f1d6c19d
GitHub-Pull-Request: golang/go#64835
Reviewed-on: https://go-review.googlesource.com/c/go/+/552135
Reviewed-by: Keith Randall <khr@google.com>
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2024-02-19 19:51:15 +00:00
qmuntal
cf52e70997 runtime: use a high res timer to signal io completion ports on windows
GetQueuedCompletionStatusEx has a ~16ms timeout resolution. Use a
WaitCompletionPacket associated with the I/O Completion Port (IOCP)
and a high resolution timer so the IOCP is signaled on timer expiry,
therefore improving the GetQueuedCompletionStatusEx timeout resolution.

BenchmarkSleep from the time package shows an important improvement:

goos: windows
goarch: amd64
pkg: time
cpu: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
         │   old.txt    │               new.txt               │
         │    sec/op    │   sec/op     vs base                │
Sleep-12   1258.5µ ± 5%   250.7µ ± 1%  -80.08% (p=0.000 n=20)

Fixes #44343.

Change-Id: I79fc09e34dddfc49e0e23c3d1d0603926c22a11d
Reviewed-on: https://go-review.googlesource.com/c/go/+/488675
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2024-02-19 15:44:49 +00:00
Daniel Martí
5c92f43c51 math/rand/v2: use a doc link for crypto/rand
It's easier to go look at its documentation when there's a link.

Change-Id: Iad6c1aa1a3f4b9127dc526b4db473239329780d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/563255
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2024-02-19 08:55:25 +00:00
qmuntal
35fa852d6d runtime: use the right number of parameters in syscall_SyscallX on Windows
The syscall_SyscallX functions currently discard the nargs parameter
when calling syscall_SyscallN. This precludes some optimizations
down the line. For example, on amd64, a syscall that takes 0 arguments
don't need to set any of the params passing registers (CX, DX, R8, and
R9).

This CL updates all syscall_SyscallX functions so they call
syscall_SyscallN with an argument slice of the right length.

While here, remove the hack in syscall_SyscallN to support less than 4
arguments, and update instead asmstdcall on amd64 to properly handle
this case.

Change-Id: I0328e14f34c2b000fde06cc6a579b09e8c32f2b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/563315
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2024-02-19 07:24:08 +00:00
ALX99
af5943f90c context: update doc comment to link to context interface
Linking to the Context interface in the WithCancel doc comment makes
it more consistent with the WithDeadline and WithTimeout doc comments.

Change-Id: Ic935c63e8262784be5f3564816402221ba2fbd63
GitHub-Last-Rev: 9c6bb607a9
GitHub-Pull-Request: golang/go#65768
Reviewed-on: https://go-review.googlesource.com/c/go/+/564996
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2024-02-17 23:25:55 +00:00
Ezzno J
86a32d6d9c cmd/compile: remove unused code in walk.Walk
no errors'll be added during ir.DumpList, no need to be check again

Change-Id: I85ae2edd4377851277e9bb2a8baa28825ac3fd90
GitHub-Last-Rev: b35ca85e57
GitHub-Pull-Request: golang/go#64955
Reviewed-on: https://go-review.googlesource.com/c/go/+/553895
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2024-02-17 06:03:15 +00:00
Jes Cok
e41fabd688 reflect: make Value.Comparable return true for nil interface value
Fixes #65718

Change-Id: I0b3edf9085f2d71f915bdf8ff9d312509b438c5f
GitHub-Last-Rev: 9fb1ca1a63
GitHub-Pull-Request: golang/go#65750
Reviewed-on: https://go-review.googlesource.com/c/go/+/564795
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2024-02-17 00:13:07 +00:00
Paul E. Murphy
1c9c9c8412 cmd/internal/obj/ppc64: cleanup optab entries after renaming
Combine MOVW/MOVD using C_16CON as they accept any 16 bit
constant.

Remove MULLW/MULLD C_U16CON optab entry. These assemble to
the mulli opcode which only accepts a signed 16 bit constant.

Remove superfluous optab entrys for VSPLTB and VSPLTISB,
as C_S16CON accepts C_U15CON arguments.

Change-Id: Ie20dd07bcedda428fb1dd674474d7dfa67d76dc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/563915
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2024-02-16 22:02:23 +00:00
Keith Randall
cdd0ddaf45 internal/abi: get rid of itab blank field
We don't need it anymore, as we're accessing all the field offsets
symbolically.
This won't affect 64-bit, but it makes itabs on 32-bit 4 bytes smaller.

Change-Id: I7fb937813111476fd5ab03005b248ea7bb962cf6
Reviewed-on: https://go-review.googlesource.com/c/go/+/549517
Reviewed-by: David Chase <drchase@google.com>
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2024-02-16 20:25:09 +00:00
Keith Randall
b138b19d2f cmd/compile: use symbolic offsets of fields in internal/abi.ITab
After this CL, we can reorder or pad internal/abi.ITab fields at will
(keeping Fun last, and updating ITabTypeOff correctly) without
breaking anything.

Change-Id: Ib7bb5828519813e0d1aa36be5092f96fcd62b3be
Reviewed-on: https://go-review.googlesource.com/c/go/+/549516
Reviewed-by: Keith Randall <khr@google.com>
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2024-02-16 20:25:04 +00:00
Keith Randall
f2db96cd6c reflect: use internal/abi itab type
Change-Id: I4a40d9cda41d3601169ef0daf0f25fb1509bdcb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/549458
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Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: David Chase <drchase@google.com>
2024-02-16 20:24:57 +00:00
Cherry Mui
e4ebd13f7a cmd/dist,cmd/go: define assembly macros, handle GOARM value with soft/hardfloat
CL 525637 added GOARM_x assembly macros based on GOARM value. But
it did not define the macro in cmd/dist, so the macro is not set
during bootstrapping. This CL defines them.

With CL 514907, cfg.GOARM can also take a soft/hardfloat suffix,
like "7,hardfloat". Handle that case.

For #65601.

Change-Id: I60ffe7e8b623ae693d91d6e8595067a6f76565b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/562995
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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2024-02-16 18:14:03 +00:00
Cherry Mui
a0226c5680 runtime/internal/atomic: correct GOARM=7 guard at a DMB instruction
CL 525637 changed to the guard of DMB instruction from the
compiled-in runtime.goarm value to GOARM_7 macro and CPU feature
detection. It missed a place where runtime.goarm is loaded to a
register and reused later. This CL corrects the condition.

Fixes #65601.

Change-Id: I2ddefd03a1eb1048dbec0254c6e234c65b054279
Reviewed-on: https://go-review.googlesource.com/c/go/+/564855
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
2024-02-16 18:13:42 +00:00
Sam Thanawalla
720eadead2 cmd/go: do not embed checksums when building with vendor
Fixes #46400

Tested: Ran go test cmd/go
Change-Id: I60655129c55d40a70a13ed23937ef990f315fd73
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/564195
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Sam Thanawalla <samthanawalla@google.com>
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2024-02-16 17:19:18 +00:00
Sam Thanawalla
b2a169be6f cmd/go: show Sum/GoModSum when listing modules
Fixes #52792

Tested: Ran go test cmd/go
Change-Id: Ib7006256f4dca9e9fbfce266c00253c69595d6ab
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
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2024-02-16 16:56:39 +00:00
sivchari
7f799f33b6 database/sql/driver: add a new test case for type t
Change-Id: I38bb68570f7f097a6dfeef1c75896396992d81f7
GitHub-Last-Rev: 10ba48a546
GitHub-Pull-Request: golang/go#53706
Reviewed-on: https://go-review.googlesource.com/c/go/+/416234
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
2024-02-16 16:53:24 +00:00
qiulaidongfeng
74abbdfe62 crypto/subtle: remove unused code
Change-Id: I4e360e643d101a8f2188a2318557b0430a89d5cd
GitHub-Last-Rev: 046943ff48
GitHub-Pull-Request: golang/go#65747
Reviewed-on: https://go-review.googlesource.com/c/go/+/564736
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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2024-02-16 15:51:19 +00:00
qiulaidongfeng
6e5080470c crypto/subtle: use min builtin function in XORBytes
Change-Id: Ibf57dbaaa54486823e0769714dec2e22d6c5ea9e
GitHub-Last-Rev: 31421d0668
GitHub-Pull-Request: golang/go#65748
Reviewed-on: https://go-review.googlesource.com/c/go/+/564577
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Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
2024-02-16 15:50:40 +00:00
Dmitri Shuralyov
63dd79c07b cmd/pprof: update vendored github.com/google/pprof
Pull in the latest published version of github.com/google/pprof
as part of the continuous process of keeping Go's dependencies
up to date. Done with:

go get github.com/google/pprof
go mod tidy
go mod vendor

For #36905.
Fixes #65741.

Change-Id: Ice7b085c03ff69be97929cbe47bfd91954907529
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/564636
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2024-02-16 15:19:53 +00:00
Cherry Mui
3b51581261 cmd/link: replace function pointers to static calls in loadelf
When transitioning between the old object loader and the new
object loader, to support both we made loadelf to take symbol
loading functions as function pointers. Now we only have the new
object loader. Change the function pointers back to static calls.

Change-Id: Ia623a6010376a3d7c0be5eacae002144d956f28a
Reviewed-on: https://go-review.googlesource.com/c/go/+/564635
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-02-16 15:12:12 +00:00
Cherry Mui
5258d4ed60 cmd/link: add -randlayout flag to randomize function ordering
Sometimes we found that benchmark results may strongly depend on
the ordering of functions laid out in the binary. This CL adds a
flag -randlayout=seed, which randomizes the function layout (in a
deterministic way), so can verify the benchmark results against
different function ordering.

Change-Id: I85f33881bbfd4ca6812fbd4bec00bf475755a09e
Reviewed-on: https://go-review.googlesource.com/c/go/+/562157
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Than McIntosh <thanm@google.com>
2024-02-16 14:59:05 +00:00
qiulaidongfeng
284e553035 runtime,cmd/link: merge pcbucketsize const into internal/abi
For #59670

Change-Id: I6343bacd3126fe6381a2e73be10f61691792824d
GitHub-Last-Rev: bbab8d1142
GitHub-Pull-Request: golang/go#65373
Reviewed-on: https://go-review.googlesource.com/c/go/+/559475
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Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-02-16 14:25:22 +00:00
Joel Sing
daa58db486 cmd/compile: improve rotations for riscv64
Enable canRotate for riscv64, enable rotation intrinsics and provide
better rewrite implementations for rotations. By avoiding Lsh*x64
and Rsh*Ux64 we can produce better code, especially for 32 and 64
bit rotations. By enabling canRotate we also benefit from the generic
rotation rewrite rules.

Benchmark on a StarFive VisionFive 2:

               │   rotate.1   │              rotate.2               │
               │    sec/op    │   sec/op     vs base                │
RotateLeft-4     14.700n ± 0%   8.016n ± 0%  -45.47% (p=0.000 n=10)
RotateLeft8-4     14.70n ± 0%   10.69n ± 0%  -27.28% (p=0.000 n=10)
RotateLeft16-4    14.70n ± 0%   12.02n ± 0%  -18.23% (p=0.000 n=10)
RotateLeft32-4   13.360n ± 0%   8.016n ± 0%  -40.00% (p=0.000 n=10)
RotateLeft64-4   13.360n ± 0%   8.016n ± 0%  -40.00% (p=0.000 n=10)
geomean           14.15n        9.208n       -34.92%

Change-Id: I1a2036fdc57cf88ebb6617eb8d92e1d187e183b2
Reviewed-on: https://go-review.googlesource.com/c/go/+/560315
Reviewed-by: M Zhuo <mengzhuo1203@gmail.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
2024-02-16 11:59:07 +00:00
Kir Kolyshkin
b634f6fdcb syscall: rm obsoleted comment
The comment being removed is no longer true as of CL 494916.

Change-Id: I4975866c58efb5c9c41db3640564ac7233f5840f
Reviewed-on: https://go-review.googlesource.com/c/go/+/542415
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Kirill Kolyshkin <kolyshkin@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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2024-02-15 21:35:49 +00:00
Jin Lin
185f31bf30 cmd/compile: update the incorrect assignment of call site offset.
The call site calculation in the previous version is incorrect. For
the PGO preprocess file, the compiler should directly use the call
site offset value. Additionly, this change refactors the preprocess
tool to clean up unused fields including startline, the flat and the
cum.

Change-Id: I7bffed3215d4c016d9a9e4034bfd373bf50ab43f
Reviewed-on: https://go-review.googlesource.com/c/go/+/562795
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Michael Pratt <mpratt@google.com>
2024-02-15 21:30:35 +00:00
pgxiaolianzi
b6ca586181 log/slog: add test case for level_test.go
adds a test case for the MarshalJSON and MarshalText method of the Level type in the slog package.

Change-Id: I3f79f0b46c41252ad9d743e03e34503e19998f3e
GitHub-Last-Rev: dab00d4c20
GitHub-Pull-Request: golang/go#65525
Reviewed-on: https://go-review.googlesource.com/c/go/+/561315
Reviewed-by: Damien Neil <dneil@google.com>
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
2024-02-15 14:41:24 +00:00
Joe Tsai
cfe7f21dd5 log/slog: document atomicity guarantees and ordering limitations of handlers
The new wording is slightly more strict than before in that
it guarantees each Write only contains exactly one Record,
while the previous wording opened up the possibility for
multiple Records in a Write call.

We also add a comment about the lack of sorting guarantees for
concurrently logged Records. That is, the obtained lock only covers
the Write call, rather than the combination of the call to time.Now,
JSON/text serialization, and also the Write call.

Change-Id: Ia65c50579215a35a1f5b2952c6954ddb60e7fe66
Reviewed-on: https://go-review.googlesource.com/c/go/+/563976
Reviewed-by: Jonathan Amsterdam <jba@google.com>
TryBot-Bypass: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
2024-02-15 14:35:48 +00:00
Andy Pan
48d899dcdb net/http: reject requests with invalid Content-Length headers
According to RFC 9110 and RFC 9112, invalid "Content-Length" headers
might involve request smuggling or response splitting, which could
also cause security failures. Currently, `net/http` ignores all
"Content-Length" headers when there is a "Transfer-Encoding" header and
forward the message anyway while other mainstream HTTP implementations
such as Apache Tomcat, Nginx, HAProxy, Node.js, Deno, Tornado, etc. reject
invalid Content-Length headers regardless of the presence of a
"Transfer-Encoding" header and only forward chunked-encoding messages
with either valid "Content-Length" headers or no "Content-Length" headers.

Fixes #65505

Change-Id: I73af2ee0785137e56c7546a4cce4a5c5c348dbc5
Reviewed-on: https://go-review.googlesource.com/c/go/+/561075
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2024-02-14 22:23:32 +00:00
Dmitri Shuralyov
d90a57ffe8 cmd/link/internal/ld: unify OS/SDK versions for macOS linking
Go 1.23 will require macOS 11 Big Sur or later, even on AMD64.
The comment here suggests the main requirement for the OS and
SDK version is to be recent enough not to break Apple signing,
and recent enough not to cause other problems.

For now, this CL simplifies the code by merging the ARM64 and
AMD64 cases into one, given 1.23 will be the first Go release
with a common minimum macOS version for both architectures so
there's no need to treat them separately here.

For #64207.

Change-Id: I821fcb9a2a316de0703833c8a75abcbaa10b17a3
Cq-Include-Trybots: luci.golang.try:gotip-darwin-amd64_11,gotip-darwin-amd64_14,gotip-darwin-arm64_11,gotip-darwin-arm64_13
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2024-02-14 20:25:19 +00:00
Dmitri Shuralyov
b19164d5b4 doc/go1.23: document macOS requirements
For #64207.
For #65614.

Change-Id: Ia5365b4090060e0657c255341751d3e67691f836
Reviewed-on: https://go-review.googlesource.com/c/go/+/563856
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2024-02-14 18:18:25 +00:00
qmuntal
1de46564a7 runtime: make netpoll events sources identifiable on Windows
This is another attempt at CL 558895, but without adding stale pollDescs
protection, which deviates from the original goal of the CL and adds
complexity without proper testing.

It is currently not possible to distinguish between a netpollBreak,
an internal/poll WSA operation, and an external WSA operation (as
in #58870). This can cause spurious wakeups when external WSA operations
are retrieved from the queue, as they are treated as netpollBreak
events.

This CL makes use of completion keys to identify the source of the
event.

While here, fix TestWSASocketConflict, which was not properly
exercising the "external WSA operation" case.

Change-Id: I91f746d300d32eb7fed3c8f27266fef379360d98
Reviewed-on: https://go-review.googlesource.com/c/go/+/561895
Reviewed-by: Than McIntosh <thanm@google.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2024-02-14 08:33:36 +00:00
qmuntal
69d6c7b8ee net: skip TestModeSocket on older Windows versions
CL 561937 taught os.Stat about IO_REPARSE_TAG_AF_UNIX and added a
test for it, TestModeSocket. This test fails on Windows older than
10.0.17063, in which AF_UNIX support was added. Skip the test on those
versions.

Some CI builders use Windows 10.0.14393, so CL 561937 broke them,
e.g. https://build.golang.org/log/5ea4f6422779f32eccfef3a25df54283ddd4e65e.

Change-Id: I6c21a78a1454d2d88321478288c0da1b8a93e590
Reviewed-on: https://go-review.googlesource.com/c/go/+/563256
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2024-02-14 06:40:17 +00:00
Mauri de Souza Meneguzzo
0286a0822b runtime/cgo: mark fatalf as noreturn
Fixes #64553

Change-Id: I7860cd9ba74d70a7d988538ea4df8e122f94cde6
GitHub-Last-Rev: 0616437473
GitHub-Pull-Request: golang/go#64727
Reviewed-on: https://go-review.googlesource.com/c/go/+/550115
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2024-02-13 20:50:04 +00:00
Mauri de Souza Meneguzzo
db99b9b17c internal/asan: add new package
The internal/asan package contains helper functions for manually
instrumenting code for the address sanitizer. It reexports the asan
routines in runtime unconditionally, making the functions a no-op if the
build flag "asan" is not present.

For #64611

Change-Id: Ie79e698aea7a6d969afd2a5f008c084c9545b1a5
GitHub-Last-Rev: e658670c14
GitHub-Pull-Request: golang/go#64635
Reviewed-on: https://go-review.googlesource.com/c/go/+/548695
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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2024-02-13 20:39:58 +00:00
Paul E. Murphy
1b541502c2 cmd/internal/obj/ppc64: rename and remove aliased optab classifiers
Rename C_LCON, C_SCON, C_ADDCON, C_ANDCON into their aliased names
and remove them.

Change-Id: I8f67cc973f8059e65b81669d91a44500fc136b0a
Reviewed-on: https://go-review.googlesource.com/c/go/+/563097
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Reviewed-by: David Chase <drchase@google.com>
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2024-02-13 19:28:26 +00:00
Damien Neil
62cebb2e91 net/http: close connection if OnProxyConnectResponse returns an error
Fixes #64804

Change-Id: Ibe56ab8d114b8826e477b0718470d0b9fbfef9b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/560856
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2024-02-13 18:54:50 +00:00