Package documentation of encoding/csv says:
> this package supports the format described in RFC 4180.
According to section 2 of RFC 4180:
> Each record is located on a separate line, delimited by a line break (CRLF).
On the other hand, Writer uses LF (not CRLF) as newline character by default.
> If [Writer.UseCRLF] is true, the Writer ends each output line with \r\n instead of \n.
Strictly speaking, this behavior is different from RFC 4180.
Package documentation would improve if we clarify that point.
Change-Id: I120e9332b593e1ac9ed8e49f6f8419ea88efc57d
GitHub-Last-Rev: 489167eb04
GitHub-Pull-Request: golang/go#67290
Reviewed-on: https://go-review.googlesource.com/c/go/+/584835
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Change-Id: Id07f16d14133ee539bc2880b39641c42418fa6e2
GitHub-Last-Rev: 7b327d508f
GitHub-Pull-Request: golang/go#67319
Reviewed-on: https://go-review.googlesource.com/c/go/+/585016
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Fixes: #67184
Change-Id: Ibdf3810cbba30ae29f466f7f95f357e8512f228b
GitHub-Last-Rev: 5eabc760be
GitHub-Pull-Request: golang/go#67185
Reviewed-on: https://go-review.googlesource.com/c/go/+/583299
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Updates #54097
Change-Id: I827a5efd1736ce057b76f079466f2d9ead225898
GitHub-Last-Rev: 40af10469d
GitHub-Pull-Request: golang/go#67321
Reviewed-on: https://go-review.googlesource.com/c/go/+/585017
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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This will automatically use a response file if ldflags is long,
avoiding "argument list too long" errors with a very large CGO_LDFLAGS.
Fixes#66456
Change-Id: I5f9ee86e03b4e6d6430f7f9d8357ef37a9c22465
Reviewed-on: https://go-review.googlesource.com/c/go/+/584655
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Use frame pointer unwinding, where supported, to collect call stacks for
the block, and mutex profilers. This method of collecting call stacks is
typically an order of magnitude faster than callers/tracebackPCs. The
marginal benefit for these profile types is likely small compared to
using frame pointer unwinding for the execution tracer. However, the
block profiler can have noticeable overhead unless the sampling rate is
very high. Additionally, using frame pointer unwinding in more places
helps ensure more testing/support, which benefits systems like the
execution tracer which rely on frame pointer unwinding to be practical
to use.
Change-Id: I4b36c90cd2df844645fd275a41b247352d635727
Reviewed-on: https://go-review.googlesource.com/c/go/+/533258
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Reviewed-by: Michael Pratt <mpratt@google.com>
fpunwindExpand currently allocates a new slice to hold the expanded call
stack. In each place it's used, the resulting slice won't be needed
immediately afterward, so the allocation is wasteful. Refactor
fpunwindExpand to instead expand the call stack into a provided buffer.
Change-Id: I05b26c191a8f76404c21ccbe3bd422325540425b
Reviewed-on: https://go-review.googlesource.com/c/go/+/543715
Reviewed-by: Cherry Mui <cherryyz@google.com>
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This also as a side effect fixes#56136 because internal/byteorder
package has a special treatment in the inliner.
Fixes#56136
Change-Id: Ib90eb716f7a67659fb4cea7e99c14cf7e819ef7b
GitHub-Last-Rev: a78d8f6fee
GitHub-Pull-Request: golang/go#67317
Reviewed-on: https://go-review.googlesource.com/c/go/+/584995
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In the three formats corresponding to case 7 of the function asmout, BREAK actually
corresponds to the cacop instruction of Loong64, refer to the loong64 instruction
manual volume 1 [1], the cacop instruction is a privileged instruction used to
maintain the cache, and the user mode does not have permission to execute.
Referring to the loong64 instruction manual volume 1 [1], the SYSCALL, BREAK and DBAR
instructions have similar formats and can be grouped into one category, the RDTIMED,
RDTIMELW and RDTIMEHW instructions can be grouped into one category, and the NOOP and
UNDEF instructions can be grouped into one category.
[1]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
Change-Id: I0b8998270102d1557fc2b2410cf8c0b078bd0c2e
Reviewed-on: https://go-review.googlesource.com/c/go/+/493435
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
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Commands run
go get golang.org/x/telemetry@51e8b5d
go mod tidy
go mod vendor
Change-Id: Ie11f207d25902c3ef932237eec66bdd586564fc0
Reviewed-on: https://go-review.googlesource.com/c/go/+/584237
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Change-Id: I58c24a58a7b32d3f8d544509db04baac1ea1b56e
GitHub-Last-Rev: 7a648fda00
GitHub-Pull-Request: golang/go#67318
Reviewed-on: https://go-review.googlesource.com/c/go/+/585015
Auto-Submit: Keith Randall <khr@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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These primitives will be used by the new And/Or sync/atomic apis.
Implemented for mips/mipsle and mips64/mips64le.
For #61395
Change-Id: Icc604a2b5cdfe72646d47d3c6a0bb49a0fd0d353
GitHub-Last-Rev: 95dca2a9f1
GitHub-Pull-Request: golang/go#63297
Reviewed-on: https://go-review.googlesource.com/c/go/+/531835
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Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Adds runtime.debugPinnerV1 which returns a runtime.Pinner object that
pins itself. This is intended to be used by debuggers in conjunction
with runtime.debugCall to keep heap memory reachable even if it isn't
referenced from anywhere else.
Change-Id: I508ee6a7b103e68df83c96f2e04a0599200300dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/558276
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It's broken with the latest XCode versions, and is also already disabled
on darwin builders. Disable the test to get go test cmd/go working on
local builds again.
For #64947
Change-Id: I5a4b46cf23cbe887df4903f90b54cd2225f51233
Reviewed-on: https://go-review.googlesource.com/c/go/+/584937
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The gotoolchain_issue66175 script test would fail if a binary named
go1.21 or go1.22 was present in the system PATH. Clear the path at the
beginning of the test to make it independent of the system path.
Fixes#67277
Change-Id: I6d9133aee5b20ab116e07b659e8ecf3eb8add4ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/584258
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Change-Id: Iaaf2e9dbcffb4b1944817b0a4aaecd3554ebfec1
GitHub-Last-Rev: f4ec85a05e
GitHub-Pull-Request: golang/go#67280
Reviewed-on: https://go-review.googlesource.com/c/go/+/584695
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Currently in a lot of packages we define functions for appending/decoding
mostly BigEndian data (see internal/chacha8rand, net/netip,
internal/boring/sha, hash/crc64, and probably more), because we don't
want to depend on encoding/binary, because of #54097.
This change introduces a new package internal/byteorder, that
will allow us to remove all of the functions and replace them with
internal/byteorder.
Updates #54097
Change-Id: I03e5ea1eb721dd98bdabdb25786f889cc5de54c5
GitHub-Last-Rev: 3f07d3dfb4
GitHub-Pull-Request: golang/go#67183
Reviewed-on: https://go-review.googlesource.com/c/go/+/583298
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Chunk returns an iterator over consecutive sub-slices of up to n elements of s.
Fixes#53987.
Change-Id: I508274eca388db39550eb9e4d8abd5ce68d29d8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/562935
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Go API is defined through exported symbols. When a package is
imported, the compiler ensures that only exported symbols can be
accessed, and the go command ensures that internal packages cannot
be imported. This ensures API integrity. But there is a hole:
using linkname, one can access internal or non-exported symbols.
Linkname is a mechanism to give access of a symbol to a package
without adding it to the public API. It is intended for coupled
packages to share some implementation details, or to break
circular dependencies, and both "push" (definition) and "pull"
(reference) sides are controlled, so they can be updated in sync.
Nevertheless, it is abused as a mechanism to reach into internal
details of other packages uncontrolled by the user, notably the
runtime. As the other package evolves, the code often breaks,
because the linknamed symbol may no longer exist, or change its
signature or semantics.
This CL adds a mechanism to enforce the integrity of linknames.
Generally, "push" linkname is allowed, as the package defining
the symbol explicitly opt in for access outside of the package.
"Pull" linkname is checked and only allowed in some circumstances.
Given that there are existing code that use "pull"-only linkname
to access other package's internals, disallowing it completely is
too much a change at this point in the release cycle. For a start,
implement a hard-coded blocklist, which contains some newly added
internal functions that, if used inappropriately, may break memory
safety or runtime integrity. All blocked symbols are newly added
in Go 1.23. So existing code that builds with Go 1.22 will
continue to build.
For the implementation, when compiling a package, we mark
linknamed symbols in the current package with an attribute. At
link time, marked linknamed symbols are checked against the
blocklist. Care is taken so it distinguishes a linkname reference
in the current package vs. a reference of a linkname from another
package and propagated to the current package (e.g. through
inlining or instantiation).
Symbol references in assembly code are similar to linknames, and
are treated similarly.
Change-Id: I8067efe29c122740cd4f1effd2dec2d839147d5d
Reviewed-on: https://go-review.googlesource.com/c/go/+/584598
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Running with few threads usually does not need 500ms to crash, so let it
crash as soon as possible. While the test may caused more time on slow
machine, try to expand the sleep time in test.
Updates #64752
Change-Id: I635fab846bd5e1735808d4d47bb9032d5a04cc2b
GitHub-Last-Rev: 84f3844ac0
GitHub-Pull-Request: golang/go#65018
Reviewed-on: https://go-review.googlesource.com/c/go/+/554615
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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See CL 557596, according to the go specification,
the iterated variable type should
be the same as the iterated integer type.
For #66056
Change-Id: I96c87440328c2c50c40d76ecf2f222a331be1ce9
GitHub-Last-Rev: 8f80e401e5
GitHub-Pull-Request: golang/go#67269
Reviewed-on: https://go-review.googlesource.com/c/go/+/584516
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This patch fixes a problem with how the .dynamic and .got sections are
handled during PIE linking on ELF targets. These sections were being
given addresses that overlapped with the .data.rel.ro section, which
resulted in binaries that worked correctly but confused the binutils
"strip" tool (which, confusingly, produced non-working stripped output
when used on Go PIE binaries without returning a non-zero exit
status). The new RELRO PIE code path preserves .dynamic and .got as
their own independent sections, while ensuring that they make it into
the RELRO segment. A new test verifies that we can successfully strip
and run Go PIE binaries, and also that we don't wind up with any
sections whose address ranges overlap.
Fixes#67261.
Updates #45681.
Change-Id: If874be05285252a9b074d4a1fc6a4023b9a28b5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/584595
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Change-Id: I8c5c0831b94261c5880ca22b7ea52cce034d88f1
GitHub-Last-Rev: 5fd119d4e8
GitHub-Pull-Request: golang/go#67248
Reviewed-on: https://go-review.googlesource.com/c/go/+/583876
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They are editor backup files. They are ignored by .gitignore,
so they can never be real files in the Go repo.
Change-Id: I58800e6e9f939e0bd21b086243b9260bcc8cd770
Reviewed-on: https://go-review.googlesource.com/c/go/+/584675
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: Ic88ef6b60b5a772865603971411fd5d37ef45006
Reviewed-on: https://go-review.googlesource.com/c/go/+/584656
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
CL 583755 removed all uses of the ifaceIndir function,
and the function itself. Unfortunately, ifaceIndir is accessed
using go:linkname by the popular github.com/goccy/go-json package.
A bug has been filed to fix this upstream:
https://github.com/goccy/go-json/issues/506
Until that bug is fixed and the fix is distributed,
keep this function available.
With luck we can remove this in the 1.24 release.
For #67279
Change-Id: I15fccf82d7a172a0b15cdbefb0a0a48381998938
Reviewed-on: https://go-review.googlesource.com/c/go/+/584676
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
A DNS name prefixed with an empty label should be considered invalid
when checking constraints (i.e. ".example.com" does not satisfy a
constraint of "example.com").
Updates #65085
Change-Id: I42919dc06abedc0e242ff36b2a42b583b14857b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/561615
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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For #66056
Change-Id: Ib47c07b2527d8213584b72e2575a353f2deaed68
GitHub-Last-Rev: 525a5c3fa4
GitHub-Pull-Request: golang/go#67268
Reviewed-on: https://go-review.googlesource.com/c/go/+/584515
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Temporarily mark the function runtime.throw as "go:noinline" for the
time being to work around problems introduced by CL 581215. We do not
ordinarily inline runtime.throw unless the build is beind done with an
elevated inline budget (e.g. "-gcflags=-l=4"), so this change should
only have an effect for those special builds.
Updates #67274.
Change-Id: I3811913b8d441e0ddb1d4c7d7297ef23555582a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/584616
Reviewed-by: Alan Donovan <adonovan@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
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To pull in CL 583836
Commands run
go get golang.org/x/mod@6686f416970d4b8e2f54f521955dee89e6763c4b
go mod tidy
go mod vendor
For #67238
For #66625
Change-Id: I77e49706481e068d27072a38d0d2464aa40d2dd0
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-linux-amd64-longtest
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Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
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Fixes#61899
Change-Id: Icbde1ac8293723eefc3251008ae9711e756ed1b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/568477
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Alan Donovan <adonovan@google.com>
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Fixes#67175
Defines a MachoPlatorm constant in OS_Darwin for MacCatalyst build. This enables adding the suffix $INODE64 on syscall methods needed for amd64 Darwin platform.
Change-Id: Ie677e241599e2a14359c5809fa9ddb3b63161629
GitHub-Last-Rev: feae982e68
GitHub-Pull-Request: golang/go#67176
Reviewed-on: https://go-review.googlesource.com/c/go/+/583295
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This is a reapply of CL 544019 and CL 569815, but with
less aggressive semantics as discussed in proposal #66343.
Error deletes Content-Encoding, since it is writing the response
and any preset encoding may not be correct.
On the error-serving path in ServeContent/ServeFile/ServeFS,
these functions delete additional headers: Etag, Last-Modified,
and Cache-Control. The caller may have set these intending
them for the success response, and they may well not be correct
for error responses.
Fixes#50905.
Fixes#66343.
Change-Id: I873d33edde1805990ca16d85ea8d7735b7448626
Reviewed-on: https://go-review.googlesource.com/c/go/+/571995
Reviewed-by: Damien Neil <dneil@google.com>
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Add counters for invocations and provided flag names.
For #58894
Change-Id: Ibd4eeca905d277879b601d95bab524fbced6a98b
Reviewed-on: https://go-review.googlesource.com/c/go/+/584276
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Add cmd/internal/telemetry to cmd/dist's bootstrapDirs so it's built
when bootstrapping the compiler. cmd/internal/telemetry is a wrapper
arount telemetry functions that stubs out the functions when built in
bootstrap mode to avoid dependencies on x/telemetry in bootstrap mode.
Call telemetry.Start with an empty config to open the counter file, and
increment a counter for when the command is invoked.
After flags are parsed, increment a counter for each of the names of the
flags that were passed in. The counter names will be compile/flag:<name>
so for example we'll have compile/flag:e and compile/flag:E.
In FatalfAt, increment a stack counter for internal errors.
For #58894
Change-Id: Ia5a8a63aa43b2276641181626cbfbea7e4647faa
Reviewed-on: https://go-review.googlesource.com/c/go/+/570679
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
The compiler was accidentally using internal/godebug from
the Go 1.20 bootstrap toolchain and didn't get the behavior
it expected. Generalizing, we should never assume we know
the behavior of an internal package from an earlier bootstrap
toolchain, so disallow that case in cmd/dist.
Change-Id: I41e079f6120f4081124619bbe2b30069c96b9f29
Reviewed-on: https://go-review.googlesource.com/c/go/+/581496
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Russ Cox <rsc@golang.org>
The main reason not to use internal/godebug is that
people often set GODEBUGs to change the behavior
of the programs they are running with 'go run' or 'go test'.
We don't want the compiler to behave differently as well
in that case: that's too many changes.
Using internal/godebug also breaks bootstrapping
with toolchains that don't have it, or future toolchains
that have a different API in that package.
Change-Id: Ib5a8a74e2451649d8838b71f274b4e3a78939dfa
Reviewed-on: https://go-review.googlesource.com/c/go/+/581495
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Fixes#66056
Change-Id: I1e24636e43e68cd57576c39b014e0826fb6c322c
GitHub-Last-Rev: 319ad8ea7c
GitHub-Pull-Request: golang/go#66824
Reviewed-on: https://go-review.googlesource.com/c/go/+/578815
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Using port 9 is weird and at least once triggered a suspicious
activity alert.
Fixes#67264
Change-Id: If4179f054829c175b9f3a51c3bc2a3ca4afa74b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/584416
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
