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Commit Graph

47569 Commits

Author SHA1 Message Date
Manlio Perillo
424abc8d3b os/signal: replace os.MkdirTemp with T.TempDir
Updates #45402.

Change-Id: I6fe356b51bc825a907f979d9c44432a4d43d1f6e
Reviewed-on: https://go-review.googlesource.com/c/go/+/308996
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2021-04-12 00:45:40 +00:00
Dan Kortschak
0da9eff503 runtime: simplify syntax for pointer arithmetic in mapaccess functions
This harmonizes the syntax between mapaccess1 and mapaccess2, and
simplifies the code.

Change-Id: I6db25ffdc871018d399f9030259894b3994c5793
Reviewed-on: https://go-review.googlesource.com/c/go/+/308951
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>
2021-04-11 20:41:32 +00:00
Austin Clements
352d329c44 runtime: move zero-sized frame check from newproc to newproc1
If GOEXPERIMENT=regabidefer is enabled, newproc currently checks that
the call frame for new goroutines is empty. But there's one place in
the runtime (debugCallWrap), where we call newproc1, and it happens to
pass a non-empty frame. The current check didn't catch that. Move the
empty call frame check from newproc to newproc1 to catch this.

Updates #40724.

Change-Id: I9998faf1e07e7b7af88e06a8177127f998c40252
Reviewed-on: https://go-review.googlesource.com/c/go/+/309034
Trust: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2021-04-11 20:07:18 +00:00
6543
189c6946f5 net: reference the correct RFCs and sections for IP.IsPrivate
Properly cite RFC 1918 Section 3 for ipv4,
and RFC 4193 Section 8 for ipv6 comments.

Updates #29146

Change-Id: I8a2df0d7bef50444294bb3301fe09fb09f21ffaf
GitHub-Last-Rev: b0341791c0
GitHub-Pull-Request: golang/go#45500
Reviewed-on: https://go-review.googlesource.com/c/go/+/309249
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
2021-04-11 15:56:20 +00:00
Robert Griesemer
3f4977bd58 cmd/compile/internal/types2: use combined type and ordinary args for type inference
Fixes #44799.

Change-Id: I51d5b6d6fdfcf47b87bf40b1f7e31c3284c2813f
Reviewed-on: https://go-review.googlesource.com/c/go/+/308372
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2021-04-10 19:02:08 +00:00
Robert Griesemer
a6d95b4508 cmd/compile/internal/types2: split out function instantiation from index expr
Also, factor out recording of type/value information after
evaluating an expression into an operand, so that we can
use it when handling instantiation expressions manually.

Change-Id: I6776e6cc243558079d6a203f2fe0a6ae0ecc33de
Reviewed-on: https://go-review.googlesource.com/c/go/+/308371
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2021-04-10 19:02:06 +00:00
Robert Griesemer
36c5f902f9 cmd/compile/internal/types2: factor out index/slice expr handling
First step towards lightening the load of Checker.exprInternal by
factoring out the code for index and slice expressions; incl. moving
a couple of related methods (Checker.index, Checker.indexedElts).

The code for handling index/slice expressions is copied 1:1 but
occurrences of "goto Error" are replaced by "x.mode = invalid"
followed by a "return".

Change-Id: I44048dcc4851dc5e24f5f169c17f536a37a6a676
Reviewed-on: https://go-review.googlesource.com/c/go/+/308370
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2021-04-10 19:02:05 +00:00
Robert Griesemer
4638545d85 cmd/compile/internal/syntax: accept "~" and "|" interface elements
Type lists continue to be accepted as before.

While at it, print missing filenames in error tests
(which uses an ad-hoc position representation).

Change-Id: I933b3acbc9cf1985ad8f70f6b206e3a1dbd64d1e
Reviewed-on: https://go-review.googlesource.com/c/go/+/307371
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2021-04-10 19:02:03 +00:00
Keith Randall
1129a60f1c cmd/compile: include typecheck information in export/import
Include type information on exported function bodies, so that the
importer does not have to re-typecheck the body. This involves
including type information in the encoded output, as well as
avoiding some of the opcode rewriting and other changes that the
old exporter did assuming there would be a re-typechecking pass.

This CL could be considered a cleanup, but is more important than that
because it is an enabling change for generics. Without this CL, we'd
have to upgrade the current typechecker to understand generics. With
this CL, the current typechecker can mostly go away in favor of the
types2 typechecker.

For now, inlining of functions that contain closures is turned off.
We will hopefully resolve this before freeze.

Object files are only 0.07% bigger.

Change-Id: I85c9da09f66bfdc910dc3e26abb2613a1831634d
Reviewed-on: https://go-review.googlesource.com/c/go/+/301291
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Reviewed-by: Dan Scales <danscales@google.com>
2021-04-10 14:58:18 +00:00
Manlio Perillo
11f159456b path/filepath: replace os.MkdirTemp with T.TempDir
Add the tempDirCanonical function, for tests that need a temporary
directory that does not contain symlinks.

Updates #45402

Change-Id: I3d08ef32ef911331544acce3d7d013b4c3382960
Reviewed-on: https://go-review.googlesource.com/c/go/+/308011
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
2021-04-10 08:13:32 +00:00
Andy Pan
6382ec1aba internal/poll: fix the intermittent build failures with pipe pool
Correlative CL 308089

Fixes #45059

Change-Id: I1ff9fbf64e6620d651f287ba2a28d40f964d78a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/308329
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
2021-04-10 03:38:08 +00:00
Naman Gera
52bf14e0e8 all: fix spellings
This follows the spelling choices that the Go project has made for English words.
https://github.com/golang/go/wiki/Spelling

Change-Id: Ie7c586d2cf23020cb492cfff58c0831d2d8d3a78
GitHub-Last-Rev: e16a32cd22
GitHub-Pull-Request: golang/go#45442
Reviewed-on: https://go-review.googlesource.com/c/go/+/308291
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
2021-04-10 01:46:41 +00:00
Ian Lance Taylor
554d2c4f06 reflect: panic on New of go:notinheap type
For #42076
Fixes #45451

Change-Id: I69646226d3480d5403205412ddd13c0cfc2c8a53
Reviewed-on: https://go-review.googlesource.com/c/go/+/308970
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2021-04-09 23:54:31 +00:00
Cherry Zhang
5305bdedb0 test: do not run (another) softfloat test with regabiargs
I missed one in CL 308710.

Change-Id: Ia277eaba6982f4944992d1bee1e11775934b789f
Reviewed-on: https://go-review.googlesource.com/c/go/+/309151
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
2021-04-09 23:18:47 +00:00
Dan Scales
281d168e2d cmd/compile: don't set Ntype in noder2 anymore
Now that we are no longer calling the old typechecker at all during the
noder2 pass, we don't need to create and set an Ntype node ((which is
just a node representation of the type which we already know) for the
Name and Closure nodes. This should reduce memory usage a bit for -G=3.

Change-Id: I6b1345007ce067a89ee64955a53f25645c303f4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/308909
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-04-09 22:57:48 +00:00
Austin Clements
756e2b1529 cmd/internal/objabi: make GOEXPERIMENT=none mean "no experiment flags"
CL 307819 made GOEXPERIMENT=none mean "restore baseline experiment
configuration". This is arguably what you want because any deviation
from the baseline configuration is an "experiment". However, cmd/dist
requires this to mean "disable all experiment flags", even if some
flags are enabled in the baseline configuration, because its build
system doesn't know how to deal with any enabled experiment flags.

Hence, make GOEXPERIMENT=none mean "disable all experiment flags"
again.

Change-Id: I1e282177c3f62a55eb9c36566c75672808dae9b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/309010
Trust: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2021-04-09 19:11:12 +00:00
Bryan C. Mills
c3faff7f2d cmd/go/internal/modload: change mvsReqs to store roots instead of a full build list
The mvsReqs implementation has always been a bit ambivalent about
whether the root requirements return the full build list, just the
direct requirements, or some hybrid of the two.

However, a full build list always requires the Target module as the
first entry, and it's easer to remove a redundant leading element from
a slice than to add one. Changing the mvsReqs field to contain
arbitrary roots instead of a full build list eliminates the need to
add redundant elements, at the cost of needing to remove redundant
elements in more places.

For #36460

Change-Id: Idd4c2d6bc7b66f67680037dab1fb9c2d1b40ab93
Reviewed-on: https://go-review.googlesource.com/c/go/+/308811
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2021-04-09 18:49:05 +00:00
Jay Conrod
814c5ff138 cmd/go: support module deprecation
A module is deprecated if its author adds a comment containing a
paragraph starting with "Deprecated:" to its go.mod file. The comment
must appear immediately before the "module" directive or as a suffix
on the same line. The deprecation message runs from just after
"Deprecated:" to the end of the paragraph. This is implemented in
CL 301089.

'go list -m -u' loads deprecation messages from the latest version of
each module, not considering retractions (i.e., deprecations and
retractions are loaded from the same version). By default, deprecated
modules are printed with a "(deprecated)" suffix. The full deprecation
message is available in the -f and -json output.

'go get' prints deprecation warnings for modules named on the command
line. It also prints warnings for modules needed to build packages
named on the command line if those modules are direct dependencies of
the main module.

For #40357

Change-Id: Id81fb2b24710681b025becd6cd74f746f4378e78
Reviewed-on: https://go-review.googlesource.com/c/go/+/306334
Trust: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
2021-04-09 18:20:48 +00:00
Jay Conrod
952187af12 cmd/go: upgrade and vendor golang.org/x/mod
To pull in CL 301089.

For #40357

Change-Id: I8aa9bc8d7a75f804adc7982adaaa1c926b43d0ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/306333
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2021-04-09 18:19:42 +00:00
Austin Clements
fcf8a6640b cmd/compile/abi-internal: declare R14 completely fixed
Currently, we allow R14, the current goroutine pointer, to be
clobbered in function bodies as long as the function restores it. This
is unnecessary complexity and could lead to confusing inconsistencies
with other architectures that can't simply restore it from TLS.

Updates #40724.

Change-Id: I4c052f0dd0b31d31afeb0c5aff05c314d7a852f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/309009
Trust: Austin Clements <austin@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-09 18:11:15 +00:00
Austin Clements
0ad46889a1 cmd/compile/abi-internal: declare X15 scratch in function bodies
X15 must be zero at function calls and returns, but can be used as
scratch in the middle of a function. This allows things like memmove
and the hashing functions to use X15 temporarily, as long as they set
it back to 0 before returning.

This CL also clarifies the distinction between register meanings on
function call versus function return, since some of them have fixed
meanings at both call and return, while others only have a fixed
meaning at calls.

Updates #40724.

Change-Id: I9dad3abde42cd4d2788e8435cde6d55073dd75a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/308929
Trust: Austin Clements <austin@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-09 17:56:50 +00:00
Austin Clements
2698be4905 runtime: use sigpanic0 on all OSes
With the register ABI, it's important to inject sigpanic0 instead of
sigpanic so we can set up function entry registers. This was already
happening on most OSes. This CL gets the remaining ones.

Change-Id: I6bc4d912b6497e03ed54d0a9c1eae8fd099d2cea
Reviewed-on: https://go-review.googlesource.com/c/go/+/308930
Trust: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2021-04-09 17:49:01 +00:00
David Chase
d11968012c test/abi: disable test with old-style build tag known to run.go
A quick check of the source to run.go suggests that it does not
look for the new-style build tags.

Updates #45465.

Change-Id: Ib4be040935d71e732f81d52c4a22c2b514195f40
Reviewed-on: https://go-review.googlesource.com/c/go/+/308934
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: David Chase <drchase@google.com>
2021-04-09 17:37:22 +00:00
David Chase
6951da56b0 Revert "cmd/compile: ensure spills of int/float reg args land in abi slots"
This reverts CL 308510.

Reason for revert: It breaks "GOEXPERIMENT=regabi,regabiargs ./make.bash"

Change-Id: I553654690ec73120f8a6258dd80623853c430df0
Reviewed-on: https://go-review.googlesource.com/c/go/+/308932
Trust: David Chase <drchase@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-09 15:01:13 +00:00
Bryan C. Mills
77b3269fb5 cmd/go: in TestScript, set GOTRACEBACK and use SIGQUIT to terminate hung subprocesses
This should produce more useful outputs if a cmd/go invocation hangs
during a test.

(In some cases the outputs will be very verbose, but verbose is still
better than uninformative.)

For #36460
For #38768

Change-Id: Ibaf2d0fbf7387dfab1aad8981140ecb11901fc4b
Reviewed-on: https://go-review.googlesource.com/c/go/+/308809
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2021-04-09 14:36:20 +00:00
David Chase
a690a5d75f cmd/compile: ensure spills of int/float reg args land in abi slots
We noticed a while ago that register argument spills were not always
landing where they should.

Updates #40724.

Change-Id: I0b7c3279a2f6270577481c252bae4568cbb6e796
Reviewed-on: https://go-review.googlesource.com/c/go/+/308510
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-09 14:33:44 +00:00
David Chase
d138ee2cfb test/abi: disable test on windows for now
This tickles some other bug, do this to clear builders.

Updates #40724.
Updates #45465.

Change-Id: Id51efbcf474865da231fcbc6216e5d604f99c296
Reviewed-on: https://go-review.googlesource.com/c/go/+/308889
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2021-04-09 14:31:01 +00:00
Bryan C. Mills
dcc801ef81 cmd/go/internal/modload: actually set the depth field passed to newRequirements
This was missed in CL 308515, and didn't show up in testing because so
few codepaths (and tests) actually depend on this behavior so far.

For #36460

Change-Id: I98b1962eb64d371884e15a3356c95f7ea80c7d21
Reviewed-on: https://go-review.googlesource.com/c/go/+/308810
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2021-04-09 13:19:10 +00:00
Jason A. Donenfeld
c432917061 cmd/link: link libgcc archive after mingw archives
When compiling with the race detector using modern mingw, this prevents:

    libgcc(.text): relocation target ___chkstk_ms not defined

Change-Id: I2095ad09a535505b54f9ff2d3075fd20ac85e515
Reviewed-on: https://go-review.googlesource.com/c/go/+/295910
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2021-04-09 13:10:36 +00:00
Dan Scales
519f223aa2 cmd/compile: reduce overhead of RParams in types.Type
Changed RParams in types.Type to be a pointer to a slice, rather than a
slice itself, in order to reduce it from three words to one words, since
the large majority of types will not be generic or instantiated from a
generic type.

Additional cleanup: remove operation OTYPEINST, which we don't have need
of, since all type instantiations are either handled by types2 or happen
automatically during some form of stenciling.

Both of these are useful cleanups before the Go 1.17 freeze.

Change-Id: I61ad56b3c698b30d2cb5a2cdd12263202c54f49c
Reviewed-on: https://go-review.googlesource.com/c/go/+/308770
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Dan Scales <danscales@google.com>
2021-04-09 12:56:04 +00:00
Manlio Perillo
4d7d7a4c50 os: replace os.MkdirTemp with T.TempDir
Updates #45402

Change-Id: Ib8e62a13ddff884e4d34b3a0fdc9a10db2b68da6
Reviewed-on: https://go-review.googlesource.com/c/go/+/308109
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
2021-04-09 09:01:07 +00:00
ian woolf
8518aac314 crypto/x509: replace os.MkdirTemp with T.TempDir
Updates #45402

Change-Id: Ifb1fa5232a0fa1be62e886643cec9deaa3b312ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/308409
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
2021-04-09 04:03:50 +00:00
Cherry Zhang
d25c4fbe05 test: do not run softfloat test with regabiargs
Softfloat mode with register ABI is not implemented yet. In
particular, we did not rewrite the float types in AuxCalls to
integer types, so arguments are still passed in floating point
registers, which do not exist in softfloat mode. To make it work
I think we may want to reorder softfloat pass with expand_calls
pass. We also need to rewrite the OpArgFloatRegs for the spilling
of non-SSA-able arguments, which may involve renumbering interger
arguments. Maybe in softfloat mode we want to just define the
ABI with 0 float registers. They are not fundamentally hard, but
may be not worth doing for the moment, as we don't use softfloat
mode on AMD64 anyway.

Run the test with noregabiargs. Also in the compiler reject
-d=softfloat if regabiargs is enabled.

Change-Id: I8cc0c2cfa88a138bc1338ed8710670245f1bd2cd
Reviewed-on: https://go-review.googlesource.com/c/go/+/308710
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
2021-04-09 00:11:25 +00:00
Cherry Zhang
19034fa855 cmd/objdump: update test with register ABI
With register ABI, the disassembly of the function may not
contain a "movq" instruction (which used to be e.g. storing
arguments to stack). Look for "jmp" instruction instead. This is
also in consistent with the test for Go assembly syntax.

Change-Id: Ifc9e48bbc4f85c4e4aace5981b3a0f8ae925f6d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/308652
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
2021-04-09 00:09:47 +00:00
Jay Conrod
5811605df9 cmd/go: fix mod_list_update_nolatest on windows
Fixes #45456

Change-Id: I7d313d7fbe29813f2abb062b6feec43280c2d283
Reviewed-on: https://go-review.googlesource.com/c/go/+/308653
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2021-04-08 22:45:16 +00:00
Manlio Perillo
d67e739989 os/exec: replace os.MkdirTemp with T.TempDir
Updates #45402

Change-Id: Idbd8067759d58bc57c52ede4ddccc98ab0ae18fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/308129
Run-TryBot: Dave Cheney <dave@cheney.net>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
2021-04-08 21:58:35 +00:00
Cherry Zhang
ec367e5b05 cmd/compile: adjust interface conversion function selection with 0-sized fields
0-sized fields do not affect how arguments are passed under the
register ABI. But it does affect the size and alignment of the
type, and may affect the choice of interface conversion function.
Specifically, struct { a [0]int32; b [4]byte } should be passed in
memory, therefore should not use convT32.

Change-Id: Idfa21af79b81c196b50253b0be1fa4edecd12b45
Reviewed-on: https://go-review.googlesource.com/c/go/+/308651
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
2021-04-08 21:26:36 +00:00
Cherry Zhang
6c98ecda10 cmd/compile: don't use fast32/64 map functions for aggregates
Under register ABI, aggregates like [2]uint32 is passed
differently than a uint64. For now, don't use the fast version
of the map functions for non-trivial aggregates.

GOEXPERIMENT=regabi,regabiargs can now pass make.bash, modulo
staleness checks.

TODO: maybe find some way to use the fast functions. Maybe
unsafe-cast to uint32/64 then call the map function. But need to
make the type checker happy.

Change-Id: If42717280dde12636fb970798cf1ca8fb29a3d06
Reviewed-on: https://go-review.googlesource.com/c/go/+/308650
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
2021-04-08 21:02:58 +00:00
David Chase
a9e475a15a cmd/compile: add recursive-invalidate Value method, use in expand_calls
This removes more unused values during transformation.
Leaving them in the tree can create type conflicts in OpArg* references.

Updates #40724.
Updates #44816.
Fixes #45417.

Change-Id: I07dcb7b4b2bf8d79e22e0543cb2fb52c2ececb96
Reviewed-on: https://go-review.googlesource.com/c/go/+/308589
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
2021-04-08 20:26:47 +00:00
Ian Lance Taylor
7e583806d8 runtime/cgo: clarify Handle documentation
Fixes #45427

Change-Id: Ic67630a5f39d8789a4a30c6b4ee30946bc50382e
Reviewed-on: https://go-review.googlesource.com/c/go/+/308230
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ainar Garipov <gugl.zadolbal@gmail.com>
Reviewed-by: Changkun Ou <euryugasaki@gmail.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
2021-04-08 20:24:09 +00:00
Than McIntosh
bb76193a7f cmd/compile: fix buglet in walk convert phase relating to convF32/64
The helper function used by the compiler's walk phase to determine
whether a param can be passed in a single float register wasn't quite
correct (didn't allow for the possibility of struct with two fields,
first zero size and second float). Fix up the helper to take this
case into account.

Updates #40724.

Change-Id: I55b42a1b17ea86de1d696788f029ad3aae4a179c
Reviewed-on: https://go-review.googlesource.com/c/go/+/308689
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-08 19:58:50 +00:00
Austin Clements
793844207d cmd/go: strip GOEXPERIMENT from hash salt
The go command salts cache hashes using runtime.Version() (the Go
version the go command was built with) in order to separate objects
built with different versions of Go.

CL 307820 added the active GOEXPERIMENTs to the result of
runtime.Version, which affected cmd/go's hash salt. Since dist builds
go_bootstrap with all GOEXPERIMENTs disabled, but then go_bootstrap
builds the final go binary with the GOEXPERIMENTs passed to make.bash,
if any GOEXPERIMENTs were passed, go_bootstrap and the final go binary
produce different cache hashes. At the very end of dist, it uses the
final go binary to check the hashes of all packages, but these hashes
were produced by go_bootstrap, so it concludes everything is stale.

This should fix the builders that enable GOEXPERIMENTs, including the
regabi and staticlockranking builders.

Change-Id: Ie389929dff6f7b6eff2b19a2f43507e72be5f32e
Reviewed-on: https://go-review.googlesource.com/c/go/+/308591
Trust: Austin Clements <austin@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2021-04-08 19:52:03 +00:00
Jason A. Donenfeld
98dd205fa4 runtime: see whether gp==nil before checking preemption state
Recent we changed from using gFromTLS to using gFromSP, which apparently
sometimes returns nil. This causes crashes when dereferenced. Fix that
by not checking for preemption in the case that gFromSP returns nil.

Fixes #44679.

Change-Id: I0199ebe7cd113379c5fa35c27932d913df79092a
Reviewed-on: https://go-review.googlesource.com/c/go/+/297390
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2021-04-08 19:51:32 +00:00
Dan Scales
46ffbec1d6 cmd/compile: break out transformations of tcCompLit into transformCompLit
Create transformCompLit, which does the transformations done by
tcCompLit without the typechecking. This removes the final use of the
old typechecker in the noder2 pass.

Other changes:

 - Used the transformCompLit in stringstorunelit(), which creates an
   OCOMPLIT that needs transformation as well.

 - Fixed one place in transformIndex where we were still using
   typecheck.AssignConv, when we should be using its equivalent
   noder.assignconvfn.

The go/test tests always run with -G=3, and I also tested that the "go
test" tests continue to run correctly with -G=3.

Change-Id: I4a976534ab7311cf2a5f43841026dbf7401e62b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/308529
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-04-08 19:32:37 +00:00
Bryan C. Mills
ecca94a7d1 cmd/go/internal/modload: add a dormant depth type
This change adds the depth constants 'lazy' and 'eager', but leaves
the go117EnableLazyLoading constant set to false so that the depth in
effect is still always 'eager'.

The go117EnableLazyLoading constant can be toggled to true once the
module loader has been updated to maintain the lazy-loading invariants
in the go.mod file. In the meantime, this will allow me to
progressively replace uses of go117LazyTODO with real conditions and
locally toggle lazy-mode on to see which tests are still failing
(or which behaviors are missing test coverage).

For #36460

Change-Id: Ifd358265a3903a5000003c2072f28171f336e15c
Reviewed-on: https://go-review.googlesource.com/c/go/+/308515
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
2021-04-08 19:30:34 +00:00
Cherry Zhang
96a6745088 runtime: use register ABI in panicIndex/Slice functions
runtime.panicIndex*/panicSlice* functions move the arguments in
the right place then tail calls goPanicIndex*/Slice* using
internal ABI. (It uses internal ABI to avoid wrappers, because
the callee needs to get the caller's PC, to know whether it panics
in the runtime.) This CL makes it to use the register ABI if it
is enabled.

Change-Id: Id2ebb51b4bfb3e9aa7cb66d0a9aee63fccee5ecd
Reviewed-on: https://go-review.googlesource.com/c/go/+/308649
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2021-04-08 18:47:17 +00:00
Than McIntosh
ca8540affd cmd/compile: fix buglet in walk convert phase relating to convT64
The function runtime.convT64 accepts a single uint64 argument, but the
compiler's rules in the walk phase for determining whether is it ok to
pass a value of type T to a call to runtime.convT64 were slightly off.
In particular the test was allowing a type T with size less than eight
bytes but with more than one internal element (e.g. a struct). This
patch tightens up the rules somewhat to prevent this from happening.

Updates #40724.

Change-Id: I3b909267534db59429b0aa73a3d73333e1bd6432
Reviewed-on: https://go-review.googlesource.com/c/go/+/308069
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-08 17:44:21 +00:00
David Chase
d474b6c824 test/abi: clean up test to fix builders
go.mod file was not tidy, made builders sad.

Updates #40724.

Change-Id: I28371a1093108f9ec473eb20bb4d185e35dee67d
Reviewed-on: https://go-review.googlesource.com/c/go/+/308590
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-08 17:43:33 +00:00
Jay Conrod
23e1d36a87 cmd/go: in 'go list -m', ignore "not found" errors loading updates
"Not found" and "no matching version" errors usually indicate the user
is offline or the proxy doesn't have a version of go.mod that could
provide retractions. 'go list -m -u' should still succeed.

We should still report unclassified errors though. Previously, we
reported most errors loading retractions but did not report errors
loading updates. This change makes those operations more consistent.

Fixes #45305

Change-Id: I2f23a566c9481bc7ff229a177f39d78f6a8aae77
Reviewed-on: https://go-review.googlesource.com/c/go/+/306572
Trust: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
2021-04-08 17:18:24 +00:00
Bryan C. Mills
0e09e4143e cmd/go: assume Go 1.16 semantics uniformly for unversioned modules
However, still only trigger -mod=vendor automatically (and only apply
the more stringent Go 1.14 vendor consistency checks) if the 'go'
version is explicit. This provides maximal compatibility with Go 1.16
and earlier: Go 1.11 modules will continue not to fail vendor
consistency checks, but scripts that assume semantics up to Go 1.16
for unversioned modules will continue to work unmodified.

Fixes #44976
For #36460

Change-Id: Idb05ca320023f57249c71fc8079218e8991d1ff9
Reviewed-on: https://go-review.googlesource.com/c/go/+/308509
Trust: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2021-04-08 16:55:27 +00:00