The windows/arm port does not yet support cgo, so disable a test that
requires it. This fixes a regression from CL 327969, which added support
for arm64, but errantly dropped the t.Skip for both arm and arm64,
rather than just for arm64. With this commit, we make the test specific
to cgo, rather than the architecture.
Change-Id: Ibe1166c1965e007c7af899b07ded65f2a2633ddd
Reviewed-on: https://go-review.googlesource.com/c/go/+/327970
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
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Reviewed-by: Bryan C. Mills <bcmills@google.com>
In CL 327210, we disabled this test on arm platforms, because the
powershell shipped with those systems isn't native, which means it'd
refuse to load native DLLs. This commit rewrites the test to simply not
use Powershell, and instead compiles a trivial C program that tests for
the same thing. Reverting CL 316269 makes this test fail, as desired,
while applying it makes this test succeed.
Fixes#46701
Change-Id: If39612c57bf74c63adf58e2c49b5cb739b461fe5
Reviewed-on: https://go-review.googlesource.com/c/go/+/327969
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
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Conversions of slices to arrays may panic since the slice is too short.
Comparibility of interfaces may panic since the underlying value is incomparable.
This is a follow-up to CL 301652
Change-Id: Ia5d84a6e556a7b82c39add4be93ed7463e63cc8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/327589
Trust: Joe Tsai <joetsai@digital-static.net>
Trust: Joe Tsai <thebrokentoaster@gmail.com>
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Reviewed-by: Katie Hockman <katie@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Some ET_EXEC binaries might have relocations for non-loadable sections
like .debug_info. These relocations must not be applied, because:
* They may be incorrect
* The correct relocations were already applied at link time
Binaries in Linux Kernel debug packages like Fedora/Centos kernel-debuginfo
are such examples. Relocations for .debug_* sections are included in the
final binaries because they are compiled with --emit-relocs, but the resulting
relocations are incorrect and shouldn't be used when reading DWARF sections.
Fixes#46673
Change-Id: I2b4214f1584bfc243446d0eaee41512657325b95
GitHub-Last-Rev: 8350fad059
GitHub-Pull-Request: golang/go#46698
Reviewed-on: https://go-review.googlesource.com/c/go/+/327009
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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The comment use allg to refer to allgs in code. Update the comment to
use the same variable name.
Change-Id: Id059fce7846776737fb038b86bcf8765a4a7c9c0
GitHub-Last-Rev: 234fb0a208
GitHub-Pull-Request: golang/go#46723
Reviewed-on: https://go-review.googlesource.com/c/go/+/327629
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Consistently say "pointer to array", not "array pointer".
Fixes#46743
Change-Id: I2388ec5c16f96e82a3a383b9b462b350686ddc5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/327870
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The platform supports c-shared now, so flip this on. I've given this a
small smoke test using [1], and it was able to pass packets and
generally function well. Since [1] uses quite a bit of Go functionality
under the hood, I think it's a decent test that a lot of things that
should be working are working. So this commit enables it.
[1] https://git.zx2c4.com/wireguard-windows/about/embeddable-dll-service/README.md
Updates #46502.
Change-Id: I5c771d033bd20e5ce472c315d7c207bbc1020b4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/326310
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
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If any of the LHS expressions of an OAS2FUNC are not identical to the
respective function call results, escape analysis mishandles the
implicit conversion, causes memory corruption.
Instead, we should insert autotmps like we already do for f(g()) calls
and return g() statements.
Fixes#46725
Change-Id: I71a08da0bf1a03d09a023da5b6f78fb37a4a4690
Reviewed-on: https://go-review.googlesource.com/c/go/+/327651
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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So next CL can reuse code to rewrite OAS2FUNC.
Passes toolstash -cmp.
For #46725
Change-Id: I1113ed615b6d6b9494dd87000ce342d7a46d9e7b
Reviewed-on: https://go-review.googlesource.com/c/go/+/327650
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Clang does not produce binaries with an .edata section, even when it
exports symbols properly, so just skip this binutils-specific test for
that case. Later we can rewrite these tests entirely to do something
more robust.
Updates #46719.
Change-Id: I864b3c2d91e66800c55454ae11d4ab1623693d14
Reviewed-on: https://go-review.googlesource.com/c/go/+/327549
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CL 301650 adds conversion from slice to array ptr. The conversion
expression may appear as argument to a function call, so it will be
tested by mayCall. But ir.OSLICE2ARRPTR op is not handled by mayCall,
causes the compiler crashes.
Updates #395Fixes#46720
Change-Id: I39e1b3e38e224a31f3dec46dbbdc855ff3b2c6a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/327649
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Trust: Josh Bleecher Snyder <josharian@gmail.com>
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Instead route through a C function, to avoid declaration conflicts
between the declaration needed in the cgo comment and the declaration
generated by cgo in _cgo_export.h.
This is not something user code will ever do, so no need to make it
work in cgo.
Fixes#46502
Change-Id: I1bfffdc76ef8ea63e3829871298d0774157957a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/327309
Trust: Ian Lance Taylor <iant@golang.org>
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callMethod previously assumed erroneously that between the "value" and
"method" ABIs (that is, the ABI the caller is following to call this
method value and the actual ABI of the method), it could never happen
that an argument passed on the stack in the former could be passed in
registers in the latter. The cited reason was that the latter always
uses strictly more registers.
However, there are situations where the value ABI could pass a value on
the stack, but later is passed in a register. For instance, if the
receiver pushes a value passed in registers that uses multiple registers
to be passed on the stack, later arguments which were passed on the
stack may now be passed in registers.
This change fixes callMethod to no longer makes this assumption, and
handles the stack-to-register translation explicitly.
Fixes#46696.
Change-Id: I7100a664d97bbe401302cc893b3a98b28cdcdfc0
Reviewed-on: https://go-review.googlesource.com/c/go/+/327089
Trust: Michael Knyszek <mknyszek@google.com>
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The powershell that currently ships on ARM Windows isn't native, so it
won't load native DLLs. So just skip the tests for now, and reenable it
if this ever changes.
Updates #46701.
Change-Id: I2559fdf13cb65d3ecdc4c6f6df7dec1b490b9651
Reviewed-on: https://go-review.googlesource.com/c/go/+/327210
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Fixes#46466
Change-Id: I8fb15d0c8ef7ef6e6fc1b9e0e033d213255fe0df
Reviewed-on: https://go-review.googlesource.com/c/go/+/326778
Trust: Ian Lance Taylor <iant@golang.org>
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Fixes#46691
Change-Id: I3bef9a773be640bed96eb2dc395cb11671a0767a
Reviewed-on: https://go-review.googlesource.com/c/go/+/326869
Trust: Bryan C. Mills <bcmills@google.com>
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The net/http/internal package contains a PEM-encoded private key used in
tests. This key is initialized at init time, which prevents it from
being stripped by the linker in non-test binaries.
Move the certificate and key to a new net/http/internal/testcert
package to ensure it is only included in binaries that reference it.
Fixes#46677.
Change-Id: Ie98bda529169314cc791063e7ce4d99ef99113c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/326771
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Ideally we should encode the load.PackageInternal data in a way that
doesn't rely on 1:1 correlations of slices, but this is a minimal fix
to unblock Go 1.17.
Fixes#46462
Change-Id: I6e029c69f757aadc54d4be02c01d6b294c217542
Reviewed-on: https://go-review.googlesource.com/c/go/+/326610
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Explicitly document the handling of a sign prefix, and the interaction
between the sign and base prefixes.
Fixes#46641.
Change-Id: I3cd6773e3f074fe671a944a05a79d2408137fcd4
Reviewed-on: https://go-review.googlesource.com/c/go/+/325875
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Reviewed-by: Rob Pike <r@golang.org>
Semicolons are no longer valid separators, so
net/url.ParseQuery will now return an error
if any part of the query contains a semicolon.
net/http.(*Request).ParseMultipartForm has been
changed to fall through and continue parsing
even if the call to (*Request).ParseForm fails.
This change also includes a few minor refactors
to existing tests.
Fixes#25192
Change-Id: Iba3f108950fb99b9288e402c41fe71ca3a2ababd
Reviewed-on: https://go-review.googlesource.com/c/go/+/325697
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The comments in the code refer to Knuth and to Burnikel and Ziegler,
but Knuth's presentation is inscrutable, and our recursive division
code does not bear much resemblance to Burnikel and Ziegler's paper
(which is fine, ours is nicer).
Add a standalone explanation of division instead of referring to
difficult or not-directly-used references.
Change-Id: Ic1b35dc167fb29a69ee00e0b4a768ac9cc9e1324
Reviewed-on: https://go-review.googlesource.com/c/go/+/321078
Trust: Russ Cox <rsc@golang.org>
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The compiler machinery that generates "map.zero" symbols marks them as
RODATA and DUPOK, which is problematic when a given application has
multiple map zero symbols (from different packages) with varying
sizes: the dupok path in the loader assumes that if two symbols have
the same name, it is safe to pick any of the versions. In the case of
map.zero, the link needs to select the largest symbol, not an
arbitrary sym.
To fix this problem, mark map.zero symbols as content-addressable,
since the loader's content addressability processing path already
supports selection of the larger symbol in cases where there are dups.
Fixes#46653.
Change-Id: Iabd2feef01d448670ba795c7eaddc48c191ea276
Reviewed-on: https://go-review.googlesource.com/c/go/+/326211
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The linker's -strictdups debugging option was not properly checking
for cases where you have two dupok BSS symbols with different length
(the check examined data length and content, but not symbol size).
Updates #46653.
Change-Id: I3844f25ef76dd6e4a84ffd5caed5d19a1b1a57c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/326210
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This reverts CL 324471 (commit 689f4c7415).
Reason for revert: break ~all builders. And it is not a doc-only change.
Change-Id: Iadbdda34d2ca476a9f5e6c2d3a28592ed7ccb067
Reviewed-on: https://go-review.googlesource.com/c/go/+/326170
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Reviewed-by: Heschi Kreinick <heschi@google.com>
In both net.ParseIP and net.ParseCIDR reject leading zeros in the
dot-decimal notation of IPv4 addresses.
Fixes#30999Fixes#43389
Change-Id: I2b6a31fe84db89ac828cf5ed03eaa586ee96ab68
Reviewed-on: https://go-review.googlesource.com/c/go/+/325829
Trust: Roland Shoemaker <roland@golang.org>
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For interface types, t.Methods contains only unexpanded method set, i.e
exclusive of interface embedding. Thus, we can't use it to detect an
interface contains embedding empty interface, like in:
type EI interface{}
func f() interface{ EI } {
return nil
}
At the time we generate runtime types, we want to check against the full
method set of interface instead.
Fixes#46386
Change-Id: Idff53ad39276be6632eb5932b76e855c15cbdd2e
Reviewed-on: https://go-review.googlesource.com/c/go/+/323649
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skipPleaseUseCallersFrames was removed in CL 152537.
Change-Id: Ide47feec85a33a6fb6882e16baf9e21492521640
Reviewed-on: https://go-review.googlesource.com/c/go/+/325949
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Fixes#46557
Change-Id: I95200ddd60e2879db15dd7353c2152b515c89020
Reviewed-on: https://go-review.googlesource.com/c/go/+/324909
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Previously we would sometimes return ErrRange if the parseable part of
the floating point number was out of range.
Fixes#46628
Change-Id: I15bbbb1e2a56fa27c19fe25ab5554d988cbfd9d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/325750
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Trust: Robert Griesemer <gri@golang.org>
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This is true since CL 315274.
Also adjust the P-256 note, since Add, Double, and IsOnCurve use the
generic, non-constant-time implementation.
Change-Id: I4b3b340f65bce91dcca30bcf86456cc8ce4dd4bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/325650
Trust: Filippo Valsorda <filippo@golang.org>
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The package-level documentation on fmt previously had only two formal
sections, for printing and scanning. Because of this, the section on
printing was very long, including some pseudo-sections describing
particular features. This feature makes those pseudo-sections into
proper sections, both to improve readability and so that those sections
have hyperlinks on documentation sites.
Fixes#46522
Change-Id: I38b7bc3447610faca446051da235edcbbd063f61
Reviewed-on: https://go-review.googlesource.com/c/go/+/324349
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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`io.ReadAll` dynamically reallocates byte slice because it doesn't know
its size in advance. We don't need to read an entire file into memory
and therefore may use `bufio.Reader` to read its contents.
Fixes#46564
Change-Id: Id504b1512662b6dea4775d523455896fa4162ab3
Reviewed-on: https://go-review.googlesource.com/c/go/+/325429
Reviewed-by: Dominik Honnef <dominik@honnef.co>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Trust: Matthew Dempsky <mdempsky@google.com>
Trust: Dominik Honnef <dominik@honnef.co>
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CL 249238 changes ResponseWriter.ReadFrom to probe the source with
a single read of sniffLen bytes before writing the response header.
If the source returns less than sniffLen bytes without reaching
EOF, this can cause Content-Type and Content-Length detection to
fail.
Fix ResponseWrite.ReadFrom to copy a full sniffLen bytes from
the source as a probe.
Drop the explicit call to w.WriteHeader; writing the probe will
trigger a WriteHeader call.
Consistently use io.CopyBuffer; ReadFrom has already acquired a
copy buffer, so it may as well use it.
Fixes#44953.
Change-Id: Ic49305fb827a2bd7da4764b68d64b797b5157dc0
Reviewed-on: https://go-review.googlesource.com/c/go/+/301449
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If proc.Release is called concurrently, a handle will be double-freed.
Change-Id: I0c0c32e312e07bc8615e0bf9e9b691214444d8d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/322510
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
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We already have a handle to the process, so use that for termination,
rather than doing a new lookup based on the PID.
Change-Id: I2958c1817f12f3dd783412baacbf629049f6956a
Reviewed-on: https://go-review.googlesource.com/c/go/+/322509
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The declaration order in CL 319310 does not match what the generator
produces from scratch. That currently causes
cmd/internal/moddeps.TestAllDependencies to fail, since it is
explicitly checking for that kind of skew.
Updates #45914
Change-Id: If2a9cabc3d54e21deba7cb438fa364df205f38ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/325112
Trust: Bryan C. Mills <bcmills@google.com>
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On Windows 7 (and below), console handles are not real kernel handles
but are rather userspace objects, with information passed via special
bits in the handle itself. That means they can't be passed in
PROC_THREAD_ATTRIBUTE_HANDLE_LIST, even though they can be inherited.
So, we filter the list passed to PROC_THREAD_ATTRIBUTE_HANDLE_LIST to
not have any console handles on Windows 7. At the same time, it turns
out that the presence of a NULL handle in the list is enough to render
PROC_THREAD_ATTRIBUTE_HANDLE_LIST completely useless, so filter these
out too. Console handles also can't be duplicated into parent processes,
as inhertance always happens from the present process, so duplicate
always into the present process even when a parent process is specified.
Fixes#45914.
Change-Id: I70b4ff4874dbf0507d9ec9278f63b9b4dd4f1999
Reviewed-on: https://go-review.googlesource.com/c/go/+/319310
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
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This CL updates cmd/compile (including types2) and go/types to report
errors about using unsafe.Add and unsafe.Slice when language
compatibility is set to Go 1.16 or older.
Fixes#46525.
Change-Id: I1bfe025a672d9f4b929f443064ad1effd38d0363
Reviewed-on: https://go-review.googlesource.com/c/go/+/324369
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
This ir.Dump call is a debugging artifact introduced in
golang.org/cl/274103, which should never be printed for valid,
non-generic code, but evidently can now sometimes appear due to how
the parser handles invalid syntax.
The parser should probably not recognize "x[2]" as a type expression
in non-generics mode, but also probably we shouldn't try noding after
reporting syntax errors. Either way, this diagnostic has outlived its
usefulness, and noder's days are numbered anyway, so we might as well
just remove it to save end users any confusion.
Updates #46558.
Change-Id: Ib68502ef834d610b883c2f2bb11d9b385bc66e37
Reviewed-on: https://go-review.googlesource.com/c/go/+/324991
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Set the correct section flags to insure that .debug_* sections are
using 1-byte alignment instead of the default. This seems to be
important for later versions of LLVM-mingw on windows (shows up on the
windows/arm64 builder).
Updates #46406.
Change-Id: I023d5208374f867552ba68b45011f7990159868f
Reviewed-on: https://go-review.googlesource.com/c/go/+/324763
Trust: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Following https://golang.org/cl/291329, exitsyscall0 accesses gp.lockedm
after releasing gp to the global runq. This creates a race window where
another M may schedule the (unlocked) G, which subsequently calls
LockOSThread, setting gp.lockedm and thus causing exitsyscall0 to think
it should call stoplockedm.
Avoid this race by checking if gp is locked before releasing it to the
global runq.
Fixes#46524
Change-Id: I3acdaf09e7a2178725adbe61e985130e9ebd0680
Reviewed-on: https://go-review.googlesource.com/c/go/+/324350
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Also don't unnecessarily deref the error return.
Fixes#46504
Change-Id: I22d14ac76776f8988fa0774bdcb5fcd801ce0185
Reviewed-on: https://go-review.googlesource.com/c/go/+/324190
Trust: David Chase <drchase@google.com>
Trust: Damien Neil <dneil@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Jason A. Donenfeld
cuishuang
Joe Tsai
Victor Michel
Eric Wang
Ian Lance Taylor
Cuong Manh Le
Michael Anthony Knyszek
Constantin Konstantinidis
Bryan C. Mills
Damien Neil
Filippo Valsorda
Katie Hockman
Russ Cox
Than McIntosh
Cherry Mui
Roland Shoemaker
Felix Geisendörfer
Matthew Dempsky
Branden J Brown
Sergey Zagursky
sryoya
Michael Pratt