Like previous CLs, cases where the getg() G is used only to access the M
are replaced with direct uses of mp.
Change-Id: I4740c80d6b4997d051a52afcfa8c087e0317dab3
Reviewed-on: https://go-review.googlesource.com/c/go/+/418579
Reviewed-by: Austin Clements <austin@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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getg() is used primarily for gp.m, so use mp. gp.m.curg is also used,
name that curgp.
Change-Id: I9db2dc4adce2b17d6b41c60d4f2dfbc9aa41fac1
Reviewed-on: https://go-review.googlesource.com/c/go/+/418578
Run-TryBot: Michael Pratt <mpratt@google.com>
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Reviewed-by: Austin Clements <austin@google.com>
This manually replaces uses of _g_ that cannot be trivially switched to
gp since there is another gp variable in scope.
Most of these functions only use the current g to reach the m, so this
helps with clarity by switching all accesses directly to an mp variable.
Change-Id: I96a4fc1c32470a7f3d12ddec9f147c2743210e71
Reviewed-on: https://go-review.googlesource.com/c/go/+/418577
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
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_g_, _p_, and _m_ are primarily vestiges of the C version of the
runtime, while today we prefer Go-style variable names (generally gp,
pp, and mp).
This change replaces all remaining uses of _p_ with pp. These are all
trivial replacements (i.e., no conflicts). That said, there are several
functions that refer to two different Ps at once. There the naming
convention is generally that pp refers to the local P, and p2 refers to
the other P we are accessing.
Change-Id: I205b801be839216972e7644b1fbeacdbf2612859
Reviewed-on: https://go-review.googlesource.com/c/go/+/306674
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
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gp is a user G running on the same M as getg(), so it is a fine proxy
for gp.m.
Change-Id: I9aa1dd283ecf28878eeedd7da4ded5c901809832
Reviewed-on: https://go-review.googlesource.com/c/go/+/418576
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Austin Clements <austin@google.com>
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* The gp argument to canpanic is always equivalent to getg(), so no need
to pass it at all.
* gp must not be nil or _g_.m would have crashed, so no need to check
for nil.
* Use acquirem to better reason about preemption.
Change-Id: Ic7dc8dc1e56ab4c1644965f6aeba16807cdb2df4
Reviewed-on: https://go-review.googlesource.com/c/go/+/418575
Reviewed-by: Austin Clements <austin@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
This is the start of the Go 1.20 development cycle, so update the
Version value accordingly. It represents the Go 1.x version that
will soon open up for development (and eventually become released).
For #40705.
For #53812.
Change-Id: Ic8919a61c9b2f3139717434b9c776d1597175448
Reviewed-on: https://go-review.googlesource.com/c/go/+/420816
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
These changes are enough to pass all.bash using the
disabled linux-amd64-alpine builder via debugnewvm.
For #19938.
For #39857.
Change-Id: I7d160612259c77764b70d429ad94f0864689cdce
Reviewed-on: https://go-review.googlesource.com/c/go/+/419995
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Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
The test added in CL 420394 only tested that the type assertions
compiled at all. This CL changes it into a run test to make sure the
type assertions compile and also run correctly.
Updates #54135.
Change-Id: Id17469faad1bb55ff79b0bb4163ef50179330033
Reviewed-on: https://go-review.googlesource.com/c/go/+/420421
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Fixes#54135
Change-Id: I2b27af8124014b2699ea44bdc765e1fb8f6c8028
Reviewed-on: https://go-review.googlesource.com/c/go/+/420394
Reviewed-by: Keith Randall <khr@google.com>
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Now that the development of the Go 1.19 release is almost done, its
release notes are moved to their eventual long-term home in x/website
in CL 420417. Delete the initial development copy here.
For golang/go#51400.
Change-Id: I741285555af28ce9a64e7f8d2b9fe2a0f3e13c26
Reviewed-on: https://go-review.googlesource.com/c/go/+/420418
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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Another last-minute fix. The whole repo is checked case-insensitively
against "longarch" and this is the only occurrence.
Change-Id: If13c123c1e44001a346f1df1df9d839c699703b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/420494
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
They were part of a chain of three redirects. Now it's only two,
but that's #54081.
Change-Id: Ibfe6a17a372df61df40124892951b48577e4ced9
Reviewed-on: https://go-review.googlesource.com/c/go/+/419634
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
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Change-Id: I30c125be6cb321aa03ea827bd11c3169087e3d4c
Reviewed-on: https://go-review.googlesource.com/c/go/+/420314
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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This problem appeared in google-internal testing.
If the run-later functions are run in the wrong order,
type definitions won't resolve properly.
Change-Id: I9da0775976282e92ca036d20fd9fd6650900daf9
Reviewed-on: https://go-review.googlesource.com/c/go/+/419996
Run-TryBot: David Chase <drchase@google.com>
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Fixes#53818
Change-Id: I190a8bcf50d92b9c10e9980e630ebb362d8b19ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/417918
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A few last-minute clarifications before the release.
Change-Id: Ia0123441633c147aa3f76ea29ed26c7722e2416c
Reviewed-on: https://go-review.googlesource.com/c/go/+/419994
Reviewed-by: Ian Lance Taylor <iant@google.com>
Link to the LoongArch documentations site, mention the ABI variant
supported, and add a note about the unfortunate old-world/new-world split
situation that users must be aware of.
Updates #46229
For #51400
Change-Id: I6789f509263a0dbf113481148665e7951aa6a989
Reviewed-on: https://go-review.googlesource.com/c/go/+/417715
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The changes are likely to break users, and we need
to make it easy to unbreak without code changes.
For #43724.
Fixes#53962.
Change-Id: I105c5d6c801d354467e0cefd268189c18846858e
Reviewed-on: https://go-review.googlesource.com/c/go/+/419794
Reviewed-by: Bryan Mills <bcmills@google.com>
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Merge List:
+ 2022-07-27 462b78fe70 misc/cgo/test: use fewer threads in TestSetgidStress in long mode
+ 2022-07-27 055113ef36 math/big: check buffer lengths in GobDecode
+ 2022-07-27 4248146154 net: document UDPConn.ReadFromUDPAddrPort's AddrPort result more
+ 2022-07-26 faf4e97200 net: fix WriteMsgUDPAddrPort addr handling
+ 2022-07-26 caa225dd29 doc/go1.19: note that updated race syso files require GNU ld 2.26
+ 2022-07-26 ceefd3a37b bytes: document that Reader.Reset affects the result of Size
+ 2022-07-26 3e97294663 runtime/cgo: use frame address to set g0 stack bound
+ 2022-07-25 24dc27a3c0 cmd/compile: fix blank label code
+ 2022-07-25 9fcc8b2c1e runtime: fix runtime.Breakpoint() on windows/arm64
+ 2022-07-25 795a88d0c3 cmd/go: add space after comma in 'go help test'
+ 2022-07-25 9eb3992ddd doc/go1.19: minor fixes
+ 2022-07-25 dcea1ee6e3 time: clarify documentation for allowed formats and add tests to prove them
+ 2022-07-25 37c8112b82 internal/fuzz: fix typo in function comments
+ 2022-07-25 850d547d2d doc/go1.19: expand crypto release notes
+ 2022-07-24 64f2829c9c runtime: fix typo in function comments
+ 2022-07-24 2ff563a00e cmd/compile/internal/noder: correct spelling errors for instantiation
+ 2022-07-22 c5da4fb7ac cmd/compile: make jump table symbol local
+ 2022-07-22 774fa58d1d A+C: delete AUTHORS and CONTRIBUTORS
+ 2022-07-21 2d655fb15a unsafe: document when Sizeof/Offsetof/Alignof are not constant
+ 2022-07-21 076c3d7f07 net/http: remove accidental heading in Head documentation
+ 2022-07-21 c4a6d3048b cmd/dist: enable race detector test on S390X
+ 2022-07-20 244c8b0500 cmd/cgo: allow cgo to pass strings or []bytes bigger than 1<<30
+ 2022-07-20 df38614bd7 test: use go tool from tree, not path
+ 2022-07-20 bb1749ba3b cmd/compile: improve GOAMD64=v1 violation test
+ 2022-07-19 176b63e711 crypto/internal/nistec,debug/gosym: fix typos
Change-Id: I96e5d60039381691dffd841e58927f0afff8c544
The current documentation for go/types.(*Packages).Imports requires
that the import graph be flattened when read from export data. I think
this is a documentation bug (incorrectly codifying the existing
behavior, rather than documenting it as a known bug), but until that's
decided, we can at least flatten imports ourselves.
Updates #54096.
Change-Id: Idc054a2efc908b3e6651e6567d0ea0e89bb0c54d
Reviewed-on: https://go-review.googlesource.com/c/go/+/419596
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Currently, there's a "has init" bool in the public metadata section,
which is only needed by cmd/compile; but because it's in the public
metadata section, it's known to the go/types importers too. This CL
moves it instead to the new compiler-only private metadata section
added in the last CL for the inline bodies index.
The existing bool in the public metadata section is left in place, and
just always set to false, to avoid breaking the x/tools importer. The
next time we bump the export version number, we can remove the bool
properly. But no urgency just yet.
Change-Id: I380f358652374b5a221f85020a53dc65912ddb29
Reviewed-on: https://go-review.googlesource.com/c/go/+/419676
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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An important optimization in the existing export data format is the
pruning of unreachable inline bodies. That is, when re-exporting
transitively imported types, omitting the inline bodies for methods
that can't actually be needed due to importing that package.
The existing logic (implemented in typecheck/crawler.go) is fairly
sophisticated, but also relies on actually expanding inline bodies in
the process, which is undesirable. However, including all inline
bodies is also prohibitive for testing GOEXPERIMENT=unified against
very large Go code bases that impose size limits on build action
inputs.
As a short-term solution, this CL implements a simple heuristic for
GOEXPERIMENT=unified: include the inline bodies for all
locally-declared functions/methods, and for any imported
functions/methods that were inlined into this package.
Change-Id: I686964a0cd9262b77d3d5587f89cfbcfe8b2e521
Reviewed-on: https://go-review.googlesource.com/c/go/+/419675
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Type switches are the only context where exprType was used and `nilOK`
was true. It'll simplify subsequent dictionary work somewhat if
exprType doesn't need to worry about `nil`, so extract this logic and
move it into switchStmt instead.
Change-Id: I3d810f465173f5bb2e2dee7bbc7843fff6a62ee5
Reviewed-on: https://go-review.googlesource.com/c/go/+/419474
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This CL changes convRTTI into a serialization method too, like the
previous CL's rtype method. And again, currently this just builds on
the existing type serialization logic, but will eventually be changed
to use dictionary lookups where appropriate.
Change-Id: I551aef8ade24b08dc6206f06ace86d91e665f5c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/419457
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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This CL adds `rtype` methods for unified IR for writing/reading types
that need to have their *runtime._type value available.
For now, this just builds on the existing type writing/reading
mechanics and calling reflectdata.TypePtrAt; but longer term, reading
of derived types can be changed to use dictionary lookups instead.
Change-Id: I6f803b84546fa7df2877a8a3bcbf2623e4b03449
Reviewed-on: https://go-review.googlesource.com/c/go/+/419456
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TestSetgidStress originally spawns 1000 threads for stress testing.
It caused timeout on some builders so CL 415677 reduced to 50 in
short mode. But it still causes flaky timeouts in longtest
builders, so reduce the number of threads in long mode as well.
Should fix#53641.
Change-Id: I02f4ef8a143bb1faafe3d11ad223f36f5cc245c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/419453
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Clarify the form of its IPv4 addresses when listening on an
unspecified address.
(found while testing/reviewing CL 399454)
Change-Id: I62b367f5a4e6d340eb72dd7ec342080f1821e63e
Reviewed-on: https://go-review.googlesource.com/c/go/+/419614
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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WriteMsgUDPAddrPort should accept IPv4 target addresses on IPv6 UDP sockets.
An IPv4 target address will be converted to an IPv4-mapped IPv6 address.
Fixes#52264.
Change-Id: Ib9ed4c61fa1289ae7bbc8c4c9de1a9951b647ec0
GitHub-Last-Rev: 6776fdb0a7
GitHub-Pull-Request: golang/go#52265
Reviewed-on: https://go-review.googlesource.com/c/go/+/399454
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
For #54060
Change-Id: I6360565056d7fb7110ff00b0f3f9a3fc02ba7f2d
Reviewed-on: https://go-review.googlesource.com/c/go/+/419595
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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The Reader.Reset changes the underlying byte slice, so it actually
changes the return value of the Size method.
Fixes#54018
Change-Id: I160deaa2244e95cb93303cb5dfb67a8d90a375ef
GitHub-Last-Rev: b04724a072
GitHub-Pull-Request: golang/go#54020
Reviewed-on: https://go-review.googlesource.com/c/go/+/419237
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
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For a cgo binary, at startup we set g0's stack bounds using the
address of a local variable (&size) in a C function x_cgo_init and
the stack size from pthread_attr_getstacksize. Normally, &size is
an address within the current stack frame. However, when it is
compiled with ASAN, it may be instrumented to __asan_stack_malloc_0
and the address may not live in the current stack frame, causing
the stack bound to be set incorrectly, e.g. lo > hi.
Using __builtin_frame_address(0) to get the stack address instead.
Change-Id: I41df929e5ed24d8bbf3e15027af6dcdfc3736e37
Reviewed-on: https://go-review.googlesource.com/c/go/+/419434
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When checkEnabled is forced true, the 52278 test fails. Be a bit
more careful about processing blank labels.
Update #52278
Change-Id: I48aa89e2c9e3715d8efe599bc4363b5b5879d8a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/419318
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This CL changes method expressions that use derived-type receiver
parameters to use dictionary lookups.
Change-Id: Iacd09b6d77a2d3000438ec8bc9b5af2a0b068aa7
Reviewed-on: https://go-review.googlesource.com/c/go/+/419455
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Comparisons between interface-typed and non-interface-typed
expressions no longer happen within Unified IR since CL 415577, so
this code path is no longer needed.
Change-Id: I075dfd1e6c34799f32766ed052eab0710bc6cbd5
Reviewed-on: https://go-review.googlesource.com/c/go/+/419454
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This PR fixes a simple typo. It adds a space after a comma. Noticed while looking at `go help test` output.
Change-Id: I5b54f4da0d08a056bffc04899983d858dfa91043
GitHub-Last-Rev: da9cab5eb9
GitHub-Pull-Request: golang/go#53931
Reviewed-on: https://go-review.googlesource.com/c/go/+/418034
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EM_LONGARCH and R_LARCH_* are defined in package debug/elf. Change the
definition list title accordingly.
Format links sort.Find and sort.Search as code.
Add a link to syscall.Getrusage.
Change-Id: I30602baedda8ccac028101858a608f1d8ffb633b
Reviewed-on: https://go-review.googlesource.com/c/go/+/419214
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The existing documentation for the time.Layout const states "Only these values
are recognized", but then doesn't include the numeric forms for month leading to
ambiguity and assumptions that may not be true. It's unclear, for example,
that space padding is only available for day of the month.
Finally I add tests to show the behaviors in specific scenarios.
Change-Id: I4e08a14834c17b6bdf3b6b47d39dafa8c1a138fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/418875
Reviewed-by: Rob Pike <r@golang.org>
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The correct word to use here is 'retrieve' not 'retrive'
Change-Id: I8de0961a254cf429ddbaf599fe996155e24c7af2
GitHub-Last-Rev: 65aaeec8db
GitHub-Pull-Request: golang/go#54026
Reviewed-on: https://go-review.googlesource.com/c/go/+/419317
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Auto-Submit: Ian Lance Taylor <iant@google.com>
The correct word to use here is 'receive' not 'recieve'
Change-Id: Ia33e2a91c1c2da6dbe479a05518dbb9b8733d20d
GitHub-Last-Rev: e3c3e211dd
GitHub-Pull-Request: golang/go#54025
Reviewed-on: https://go-review.googlesource.com/c/go/+/419316
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
When using plugins, if the plugin and the main executable both
have the same function, and if it uses jump table, currently the
jump table symbol have the same name so it will be deduplicated by
the dynamic linker. This causes a function in the plugin may (in
the middle of the function) jump to the function with the same name
in the main executable (or vice versa). But the function may be
compiled slightly differently, because the plugin needs to be PIC.
Jumping from the middle of one function to the other will not work.
Avoid this problem by marking the jump table symbol local to a DSO.
Fixes#53989.
Change-Id: I2b573b9dfc22401c8a09ffe9b9ea8bb83d3700ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/418960
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
So we don't have to depend on typecheck pass to fixup the concrete
type for some constant expressions. Previously, the problem won't show up,
until CL 418475 sent, which removes an un-necessary type conversion in
"append(a, b...) to help the optimization kicks in.
For #53888
Change-Id: Idaecd38b7abbaa3ad5b00ff3b1fb0fd8bbeb6726
Reviewed-on: https://go-review.googlesource.com/c/go/+/418514
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
In 2009, Google's open-source lawyers asked us to create the AUTHORS
file to define "The Go Authors", and the CONTRIBUTORS file was in
keeping with open source best practices of the time.
Re-reviewing our repos now in 2022, the open-source lawyers are
comfortable with source control history taking the place of the
AUTHORS file, and most open source projects no longer maintain
CONTRIBUTORS files.
To ease maintenance, remove AUTHORS and CONTRIBUTORS from all repos.
For #53961.
Change-Id: I332327afb49c45d54e71e018193fb18b09e5d91a
Reviewed-on: https://go-review.googlesource.com/c/go/+/419114
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
