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This helps to make sure this feature continues to work and we won't
accidentally introduce regressions.
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Without this fix, wasi-libc is listed as follows:
65 0 0 0 | 65 0 | C:\Users\Ayke\src\tinygo\tinygo\lib\wasi-libc\libc-bottom-half\sources
14 0 0 0 | 14 0 | C:\Users\Ayke\src\tinygo\tinygo\lib\wasi-libc\libc-top-half\musl\src\exit
1398 0 0 0 | 1398 0 | C:\Users\Ayke\src\tinygo\tinygo\lib\wasi-libc\libc-top-half\musl\src\string
1525 0 0 0 | 1525 0 | C:\Users\Ayke\src\tinygo\tinygo\lib\wasi-libc\libc-top-half\sources
With this fix, it's identified as the wasi-libc C library:
3002 0 0 0 | 3002 0 | C wasi-libc
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See bug: https://github.com/llvm/llvm-project/issues/117317
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This fixes long paths from the TinyGo cached GOROOT, as can be seen
here:
code rodata data bss | flash ram | package
------------------------------- | --------------- | -------
0 5 0 5 | 5 5 | (padding)
148 0 0 5 | 148 5 | (unknown)
76 0 0 0 | 76 0 | /home/ayke/.cache/tinygo/goroot-ce8827882be9dc201bed279a631881177ae124ea064510684a3cf4bb66436e1a/src/device/arm
4 0 0 0 | 4 0 | /home/ayke/.cache/tinygo/goroot-ce8827882be9dc201bed279a631881177ae124ea064510684a3cf4bb66436e1a/src/internal/task
They're now attributed to the correct package instead (device/arm and
internal/task).
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Use the alignment from the align attribute of the runtime.alloc call.
This is going to be a more accurate alignment, and is typically smaller
than the default.
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This requires an API introduced in MacOS 11. I think that's fine, since
the version before that (MacOS 10.15) is EOL since 2022. Though if
needed, we could certainly work around it by using an older and slightly
less nice API.
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Making this work on all targets was interesting but there's now a test
in place to make sure this works on all targets that have the CGo test
enabled (which is almost all targets).
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This is needed for the internal/syscall/unix package.
Signed-off-by: leongross <[email protected]>
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It looks like this breaks on Windows:
https://github.com/tinygo-org/tinygo/issues/4557
I haven't confirmed this is indeed the problem, but it would make sense.
And passing through the temporary directory seems like a good idea
regardless, there's not much that could break due to that.
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This is similar to https://github.com/tinygo-org/tinygo/pull/3899, but
smaller and hopefully just as efficient.
Thanks to @HattoriHanzo031 for starting this work, benchmarking, and for
improving the performance of the code even further.
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There are rare cases where this can happen, see for example
https://github.com/tinygo-org/tinygo/issues/4568
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Signed-off-by: leongross <[email protected]>
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Every time we overflow the stack, we have to do a full rescan of the heap. Making this larger
means fewer overflows and thus fewer secondary+ heap scans.
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This adds support for enabling and listening to signals on Linux and
MacOS.
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strings (#4536)
goenv: parse patch version, add func Compare to compare two Go version strings
* Parse tests
* add Compare function to compare two Go version strings
* goenv, builder: parse patch version in Go version string
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This shows a much better error message for issues like this one:
https://github.com/NixOS/nixpkgs/pull/341170#issuecomment-2359237471
The new error message would be:
cannot compile with Go toolchain version go1.23 (TinyGo was built using toolchain version go1.21.4)
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This is a problem on Guix, which sets C_INCLUDE_PATH that is not
affected by `-nostdlibinc`. And therefore it affects the build in
unintended ways.
Removing all environmental variables fixes this issue, and perhaps also
other issues caused by Clang being affected by environment variables.
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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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Don't rename them when -work is set, instead update result.Binary each
time and leave result.Executable be the linker output (as intended:
result.Executable should be the unmodified linker output).
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remove unused job state enum, nits/reformatting
Signed-off-by: leongross <[email protected]>
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This adds softfloat support to GOARM, as proposed here:
https://github.com/golang/go/issues/61588
This is similar to https://github.com/tinygo-org/tinygo/pull/4189 but
with a few differences:
* It is based on the work to support MIPS softfloat.
* It fixes the issue that the default changed to softfloat everywhere.
This PR defaults to softfloat on ARMv5 and hardfloat on ARMv6 and
ARMv7.
* It also compiles the C libraries (compiler-rt, musl) using the same
soft/hard floating point support. This is important because
otherwise a GOARM=7,softfloat binary could still contain hardware
floating point instructions.
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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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Previously, the compiler would default to hardfloat. This is not
supported by some MIPS CPUs.
This took me much longer than it should have because of a quirk in the
LLVM Mips backend: if the target-features string is not set (like during
LTO), the Mips backend picks the first function in the module and uses
that. Unfortunately, in the case of TinyGo this first function is
`llvm.dbg.value`, which is an LLVM intrinsic and doesn't have the
target-features string. I fixed it by adding a `-mllvm -mattr=` flag to
the linker.
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Move triple calculation into defaultTarget. It was separate for historic
reasons that no longer apply. Merging the code makes future changes
easier (in particular, softfloat support).
The new code is actually shorter than the old code even though it has
more comments.
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This shows nicely formatted error messages for missing symbol names and
for out-of-flash, out-of-RAM conditions (on microcontrollers with
limited flash/RAM).
Unfortunately the missing symbol name errors aren't available on Windows
and WebAssembly because the linker doesn't report source locations yet.
This is something that I could perhaps improve in LLD.
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The C printf function is sometimes needed for C files included using
CGo. This commit makes sure they're available on all systems where CGo
is fully supported (that is, everywhere except on AVR).
For baremetal systems using picolibc, I've picked the integer-only
version of printf to save on flash size. We might want to consider
providing a way to pick the floating point version instead, if needed.
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This addes GENERIC_TF_SOURCES, which contains long double floating point
builtins (80 bit, 128 bit, etc).
This is needed for full printf support.
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It's possible to detect the architecture from the target triple, but
there are a number of exceptions that make it unpleasant to use for this
purpose. There are just too many weird exceptions (like mips vs mipsel,
and armv6m vs thumv6m vs arm64 vs aarch64) so it's better to centralize
these to canonical architecture names.
I picked the architecture names that happen to match the musl
architecture names, because those seem the most natural to me.
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These libraries will be automatically built when needed and cached.
The main reason these were needed is for play.tinygo.org, but I've now
prebuilt them there directly (so they don't need to be built for every
tarball).
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This adds linux/mipsle (little endian Mips) support to TinyGo.
It also adds experimental linux/mips (big-endian) support. It doesn't
quite work yet, some parts of the standard library (like the reflect
package) currently seem to assume a little-endian system.
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This improves error reporting slightly.
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This commit reverts commit 13a8eae0d.
It appars that the race has been fixed by
https://github.com/golang/tools/commit/db513b091504, which we now use
because it fixes another race condition as well.
See: https://github.com/tinygo-org/tinygo/issues/4206
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* all: wasip2 support
Co-authored-by: Randy Reddig <[email protected]>
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Go 1.18 has been unsupported for quite a while now (the oldest supported
version is Go 1.21). But more importantly, the golang.org/x/tools module
now requires Go 1.19 or later. So we'll drop this older version.
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@b0ch3nski
Signed-off-by: deadprogram <[email protected]>
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This new library is needed for wasm targets that aren't WASI and don't
need/want a libc, but still need some intrinsics that are generated by
LLVM.
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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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Support for `-panic=trap` was previously a pass in the optimization
pipeline. This change moves it to the compiler and runtime, which in my
opinion is a much better place.
As a side effect, it also fixes
https://github.com/tinygo-org/tinygo/issues/4161 by trapping inside
runtime.runtimePanicAt and not just runtime.runtimePanic.
This change also adds a test for the list of imported functions. This is
a more generic test where it's easy to add more tests for WebAssembly
file properties, such as exported functions.
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Signed-off-by: deadprogram <[email protected]>
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Fixes #3331
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