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This adds support for the `//go:wasmexport` pragma as proposed here:
https://github.com/golang/go/issues/65199
It is currently implemented only for wasip1 and wasm-unknown, but it is
certainly possible to extend it to other targets like GOOS=js and
wasip2.
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TODO: Remove the go.mod/go.sum in internal/tools once doing so doesn't break CI (e.g. once we drop support for go 1.19)
* builder/cc1as.h: fix typo found by 'make spell'
* GNUmakefile: remove exception for inbetween, fix instance now found by 'make spell'
* GNUmakefile: remove exception for programmmer, fix instance now found by 'make spell'
* go.mod: use updated misspell. GNUmakefile: add spellfix target, use it.
* ignore directories properly when invoking spellchecker.
* make spell: give internal/tools its own go.mod, as misspell requires newer go
* make lint: depend on tools and run the installed revive
(which was perhaps implied by the change that added revive to internal/tools,
but not required in GNUmakefile until we gave internal/tools its own temporary go.mod)
* .github: now that 'make spell' works well, run it from CI
* GNUmakefile: make spell now aborts if it finds misspelt words, so what it finds doesn't get lost in CI logs
* GNUmakefile: tools: avoid -C option on go generate to make test-llvm15-go119 circleci job happy, see
https://cs.opensource.google/go/go/+/2af48cbb7d85e5fdc635e75b99f949010c607786
* internal/tools/go.mod: fix format of go version to leave out patchlevel, else go complains.
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It assumed the maximum alignment was equal to sizeof(void*), which is
definitely not the case. So this only worked more or less by accident
previously.
It now uses the alignment as specified by the frontend, or else
`unsafe.Alignof(complex128)` which is typically the maximum alignment of
a given platform (though this shouldn't really happen in practice: the
optimizer should keep the 'align' attribute in place).
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We previously picked a work-in-progress patch, but this is the proper
fix for this race condition. I think we should use that instead of
relying on the previous work-in-progress patch.
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This commit switches to v0.22.0 of golang.org/x/tools and then applies
https://go-review.googlesource.com/c/tools/+/590815 to fix the race
condition.
In my testing, it seems to fix these issues.
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See https://github.com/tinygo-org/tinygo/issues/4225
Runs in both circleci and github, circleci is run on branch push, github is run on PR
Revive builds so fast, don't bother installing it; saves us wondering which one we get
Uses tools.go idiom to give control over linter versions to go.mod.
Also pacifies linter re AppendToGlobal as a token first fix.
TODO: gradually expand the number of directories that are linted,
uncomment more entries in revive.toml, and fix or suppress the
warnings lint finds.
TODO: add linters "go vet" and staticcheck
NOT TODO: don't add metalinters like golangci-lint that pull in
lots of new of dependencies; we'd rather not clutter go.mod that
much, let alone open ourselves up to the additional attack surface.
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The symbol table was generated incorrectly. The correct way is to use
the custom linking WebAssembly section, which I implemented in go-wasm
for this purpose.
This fixes https://github.com/tinygo-org/tinygo/issues/4114 and is a
prerequisite for https://github.com/tinygo-org/tinygo/pull/4176.
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This update includes support for the new range loops over integers.
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Hopefully this won't break anybody: while all tests still pass, there
could in theory be systems where not supplying those libraries leads to
linker errors.
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This allows us to test and use LLVM 17, now that it is available in
Homebrew.
Full support for LLVM 17 (including using it by default) will have to
wait until Espressif rebases their Xtensa fork of LLVM.
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The old traceback would look like this:
# internal/godebug
/usr/local/go/src/internal/godebug/godebug.go:101:11: interp: test
call <2> 0 <3> 0
traceback:
/usr/local/go/src/internal/godebug/godebug.go:101:11:
call <2> 0 <3> 0
/usr/local/go/src/internal/godebug:
call <1> 0
With this patch, it looks like this:
# io/fs
/usr/local/go/src/io/fs/fs.go:144:45: interp: test
%0 = load %runtime._interface, ptr @"internal/oserror.ErrInvalid", align 8, !dbg !316
traceback:
/usr/local/go/src/io/fs/fs.go:144:45:
%0 = load %runtime._interface, ptr @"internal/oserror.ErrInvalid", align 8, !dbg !316
/usr/local/go/src/io/fs/fs.go:137:28:
%0 = call %runtime._interface @"io/fs.errInvalid"(ptr undef), !dbg !317
For developers (like me) who are familiar with LLVM, this is probably
easier to read. For users, I'm not sure: the instructions have quite a
lot of distracting fluff in them. But at least it contains the function
names that are called (which are not currently present in the old
traceback).
...that said, having the LLVM instructions in a bug report is probably
going to be easier for people who are familar with LLVM.
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So that `go install` works on MacOS with Homebrew (and on Linux with an
up-to-date distro).
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This commit adds support for LLVM 16 and switches to it by default. That
means three LLVM versions are supported at the same time: LLVM 14, 15,
and 16.
This commit includes work by QuLogic:
* Part of this work was based on a PR by QuLogic:
https://github.com/tinygo-org/tinygo/pull/3649
But I also had parts of this already implemented in an old branch I
already made for LLVM 16.
* QuLogic also provided a CGo fix here, which is also incorporated in
this commit:
https://github.com/tinygo-org/tinygo/pull/3869
The difference with the original PR by QuLogic is that this commit is
more complete:
* It switches to LLVM 16 by default.
* It updates some things to also make it work with a self-built LLVM.
* It fixes the CGo bug in a slightly different way, and also fixes
another one not included in the original PR.
* It does not keep compiler tests passing on older LLVM versions. I
have found this to be quite burdensome and therefore don't generally
do this - the smoke tests should hopefully catch most regressions.
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This requires updating test data, due to the change noted in the
previous commit.
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Signed-off-by: deadprogram <[email protected]>
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This avoids a dependency on nrfutil. I have verified that it creates
equivalent zip files to a wasp-os DFU zip file I downloaded here:
https://github.com/wasp-os/wasp-os/releases/
I have also tested that it produces valid DFU files that can be uploaded
using the dfu.py program here to my PineTime:
https://github.com/wasp-os/ota-dfu-python/tree/3d6fd30d33c2b20bc86ff6b9269fddf4a1d4c7c6
There are some minor differences in the generated file that should not
matter in practice (JSON whitespace, firmware file name, zip
compression).
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For the bugfix, see: https://github.com/golang/go/issues/57790
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This package needs to be updated to support Go 1.20. There were a few
backwards incompatible changes that required updates to the compiler
package.
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Running `go install` on MacOS produces the following warning:
# github.com/tinygo-org/tinygo
ld: warning: directory not found for option '-L/opt/homebrew/opt/libffi/lib'
It doesn't look like libffi is used anywhere, so I simply removed it.
Not sure why it was included in the first place.
(I updated the Makefile for consistency, but we really should be
removing that Makefile especially because the Go bindings are removed in
upstream LLVM).
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This commit switches to LLVM 15 everywhere by default, while still
keeping LLVM 14 support.
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Previously it was a pointer type, which won't work with opaque pointers.
Instead, use the global initializer type instead.
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This is necessary for LLVM 15.
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This is needed for LLVM 15.
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This uses LLVMBuildCall2 in the background, which is the replacement for
the deprecated LLVMBuildCall function.
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Co-authored-by: Ayke <[email protected]>
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This is helpful in some cases where the default stack size isn't big
enough.
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Signed-off-by: deadprogram <[email protected]>
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This also adds support for LLVM 14 from Homebrew on MacOS.
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This is necessary for the next commit. It also results in a nice wasm
binary size saving of around 300 bytes.
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...that was surprisingly easy.
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Switch over to LLVM 14 for static builds. Keep using LLVM 13 for regular
builds for now.
This uses a branch of the upstream Espressif branch to fix an issue,
see: https://github.com/espressif/llvm-project/pull/59
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ThinLTO optimizes across LLVM modules at link time. This means that
optimizations (such as inlining and const-propagation) are possible
between C and Go. This makes this change especially useful for CGo, but
not just for CGo. By doing some optimizations at link time, the linker
can discard some unused functions and this leads to a size reduction on
average. It does increase code size in some cases, but that's true for
most optimizations.
I've excluded a number of targets for now (wasm, avr, xtensa, windows,
macos). They can probably be supported with some more work, but that
should be done in separate PRs.
Overall, this change results in an average 3.24% size reduction over all
the tinygo.org/x/drivers smoke tests.
TODO: this commit runs part of the pass pipeline twice. We should set
the PrepareForThinLTO flag in the PassManagerBuilder for even further
reduced code size (0.7%) and improved compilation speed.
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This allows us to test a large corpus of external packages against the compiler.
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Signed-off-by: deadprogram <[email protected]>
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This adds support for building with `-tags=llvm13` and switches to LLVM
13 for tinygo binaries that are statically linked against LLVM.
Some notes on this commit:
* Added `-mfloat-abi=soft` to all Cortex-M targets because otherwise
nrfx would complain that floating point was enabled on Cortex-M0.
That's not the case, but with `-mfloat-abi=soft` the `__SOFTFP__`
macro is defined which silences this warning.
See: https://reviews.llvm.org/D100372
* Changed from `--sysroot=<root>` to `-nostdlib -isystem <root>` for
musl because with Clang 13, even with `--sysroot` some system
libraries are used which we don't want.
* Changed all `-Xclang -internal-isystem -Xclang` to simply
`-isystem`, for consistency with the above change. It appears to
have the same effect.
* Moved WebAssembly function declarations to the top of the file in
task_asyncify_wasm.S because (apparently) the assembler has become
more strict.
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This change uses flock (when available) to acquire locks for build operations.
This allows multiple tinygo processes to run concurrently without building the same thing twice.
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Originally based on a PR by @QuLogic, but extended a lot to get all
tests to pass.
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