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By listing column headers and printing a message when no ports are
found, it should be a bit easier to use.
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I believe this provides a better UX.
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compileopts, targets, main: support Wasmtime v14
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io/ioutil has been deprecated since Go 1.16
https://pkg.go.dev/io/ioutil
Signed-off-by: ginglis13 <[email protected]>
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Previously all (except one!) usage of goenv.Version manually added the
git sha1 hash, leading to duplicate code. I've moved this to do it all
in one place, to avoid this duplication.
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It looks like this on my system, for example:
{
"target": {
"llvm-target": "aarch64-unknown-linux",
"cpu": "generic",
"features": "+neon",
"goos": "linux",
"goarch": "arm64",
"build-tags": [
"linux",
"arm64"
],
"gc": "precise",
"scheduler": "tasks",
"linker": "ld.lld",
"rtlib": "compiler-rt",
"libc": "musl",
"default-stack-size": 65536,
"ldflags": [
"--gc-sections"
],
"extra-files": [
"src/runtime/asm_arm64.S",
"src/internal/task/task_stack_arm64.S"
],
"gdb": [
"gdb"
],
"flash-1200-bps-reset": "false"
},
"goroot": "/home/ayke/.cache/tinygo/goroot-23c311bcaa05f188affa3c42310aba343acc82562d5e5f04dea9d5b79ac35f7e",
"goos": "linux",
"goarch": "arm64",
"goarm": "6",
...
}
This can be very useful while working on the automatically generated
target object for example (in my case, GOOS=wasip1).
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This replaces our own manual detection of various variables (GOROOT,
GOPATH, Go version) with a simple call to `go env`.
If the `go` command is not found:
error: could not find 'go' command: executable file not found in $PATH
If the Go version is too old:
error: requires go version 1.18 through 1.20, got go1.17
If the Go tool itself outputs an error (using GOROOT=foobar here):
go: cannot find GOROOT directory: foobar
This does break the case where `go` wasn't available in $PATH but we
would detect it anyway (via some hardcoded OS-dependent paths). I'm not
sure we want to fix that: I think it's better to tell users "make sure
`go version` prints the right value" than to do some automagic detection
of Go binary locations.
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This is a rewrite of how filesystems are detected. Specifically, it
fixes an issue on Linux where the location of the FAT filesystem can
vary between distributions (for example, we supported most distros by
checking two different paths, but NixOS uses a different path): it now
uses the data in /proc/mounts instead which should be universal.
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This can be useful during development to avoid generating debug
information in IR.
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These flags shouldn't be used by users, but they are occasionally
helpful for developers.
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This reverts https://github.com/tinygo-org/tinygo/pull/3525, because
that change didn't seem to stop the CI failures we have been seeing.
Instead, I've added thread support in
https://github.com/tinygo-org/tinygo/pull/3130 which IIRC fixed most of
the CI crashes.
Re-enabling parallelism should improve the performance of TinyGo a bit
on Windows.
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The previous commit started printing the instruction address for runtime
panics. This commit starts using this address to print the source
location.
Here is an example where this feature is very useful. There is a heap
allocation in the Bluetooth package, but we don't know where exactly.
Printing the instruction address of the panic is already useful, but
what is even more useful is looking up this address in the DWARF debug
information that's part of the binary:
$ tinygo flash -target=circuitplay-bluefruit -monitor ./examples/heartrate
Connected to /dev/ttyACM0. Press Ctrl-C to exit.
tick 00:00.810
tick 00:01.587
tick 00:02.387
tick 00:03.244
panic: runtime error at 0x00027c4d: alloc in interrupt
[tinygo: panic at /home/ayke/src/tinygo/bluetooth/adapter_sd.go:74:4]
To be clear, this path isn't stored on the microcontroller. It's stored
as part of the build, and `-monitor` just looks up the path from the
panic message.
Possible enhancements:
- Print such an address for regular panics as well. I'm not sure
that's so useful, as it's usually a lot easier to look up panics
just by their message.
- Use runtimePanicAt (instead of runtimePanic) in other locations, if
that proves to be beneficial.
- Print the TinyGo-generated output in some other color, to
distinguish it from the regular console output.
- Print more details when panicking (registers, stack values), and
print an actual backtrace.
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This reverts commit af9f19615bb2f79d29a9cfaa1088890fbc154aad.
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This reverts commit 7aac1a1391f7420fc3ebc7afe996c98e3c09c687.
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Fixes #3056
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I find myself consistently running tests, seeing them panic, and then
immediately running them again with this environment variable set. It's
easier to just have tinygo do this for me.
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Fixes #3579
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Fixes #2406
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This makes running benchmarks repeatedly easier.
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This is an attempt to figure out why the Windows CI keeps crashing. It
should be removed before the next release, by which point we should know
whether this has helped or not.
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Running binaries in QEMU (when debugging on Linux for example) did not
work correctly as qemu-user expects the `-g` flag to be first on the
command line before the program name. Putting it after will make it a
command line parameter for the emulated program, which is not what we
want.
I don't think this ever worked correctly.
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This allows you to expand {tmpDir} in the json "emulator" field, and
uses it in wasmtime instead of custom TMPDIR mapping logic.
Before, we had custom logic for wasmtime to create a separate tmpDir
when running go tests. This overwrite the TMPDIR variable when running,
after making a mount point. A simpler way to accomplish the end goal of
writing temp files is to use wasmtime's map-dir instead. When code is
compiled to wasm with the wasi target, tempDir is always /tmp, so we
don't need to add variables (since we know what it is). Further, the
test code is the same between normal go and run through wasmtime. So, we
don't need to make a separate temp dir first, and avoiding that reduces
logic, as well makes it easier to swap out the emulator (for wazero
which has no depedencies). To map the correct directory, this introduces
a {tmpDir} token whose value is the host-specific value taken from
`os.TempDir()`.
The motivation I have for this isn't so much to clean up the wasmtime
code, but allow wazero to execute the same tests. After this change, the
only thing needed to pass tests is to change the emulator, due to
differences in how wazero deals with relative lookups (they aren't
restricted by default, so there's not a huge amount of custom logic
needed).
In other words, installing wazero from main, `make tinygo-test-wasi`
works with no other changes except this PR and patching
`targets/wasi.json`.
```json
"emulator": "wazero run -mount=.:/ -mount={tmpDir}:/tmp {}",
```
On that note, if there's a way to override the emulator via arg or env,
this would be even better, but in any case patching json is fine.
Signed-off-by: Adrian Cole <[email protected]>
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Before this patch, a compile error would prevent the 'ok' or 'FAIL' line
to be printed. That's unexpected. This patch changes the code in such a
way that it's obvious a test result line is printed in all cases.
To be able to also print the package name, I had to make sure the build
result is passed through everywhere even on all the failure paths. This
results in a bit of churn, but it's all relatively straightforward.
Found while working on Go 1.20.
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wasmtime by default will assume the subcommand is "run" vs one of its
others, but being explicit helps clarify the actual command invoked.
For example, we pass similar looking args to wasmtime and also wasi.
Signed-off-by: Adrian Cole <[email protected]>
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Signed-off-by: deadprogram <[email protected]>
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retry locating the MSD volume when flashing
Signed-off-by: deadprogram <[email protected]>
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I broke this flag in f866d5cc38319b1abcfd2e7302b2b8ed7d89cdad. This
commit fixes it.
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This flag controls whether to convert external i64 parameters for use in
a browser-like environment.
This flag was needed in the past because back then we only supported
wasm on browsers but no WASI. Now, I can't think of a reason why anybody
would want to change the default. For `-target=wasm` (used for
browser-like environments), the wasm_exec.js file expects this
i64-via-stack ABI. For WASI, there is no limitation on i64 values and
`-wasm-abi=generic` is the default.
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This command didn't work anymore since the refactor in #3211.
The reason it doesn't work anymore is that before the refactor, the code
in the callback wasn't executed for .ll, .bc and .o files but after the
refactor it is, which causes a spurious error.
This commit fixes this oversight.
Example that didn't work anymore and is fixed with this change:
tinygo build -o test.ll examples/serial
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* Add test.batch flag so standalone tests print PASS on pass
* Add comment; use single-dash flag style to match usage elsewhere
* Don't add test.batch for wasmtime
* Skip test.batch unless emulator name is blank
* Remove test.batch flag; buffer test output and show only on verbose or failure
* Remove FAIL when all tests fail to match go test output
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Old message:
error: failed to reset port /tmp/tinygo1441085170/main.uf2: opening port: Permission denied
new message:
error: failed to reset port /dev/ttyACM0: opening port: Permission denied
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I introduced a bug in #3207: looking up a VID/PID pair would result in a
slice out of bounds panic. This is a trivial fix for that bug.
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The only reason a callback was used, was so that the temporary directory
gets removed once `Build` returns. But that is honestly a really bad
reason: the parent function can simply create a temporary function and
remove it when it returns. It wasn't worth the code complexity that this
callback created.
This change should not cause any observable differences in behavior (it
should be a non-functional change).
I have no reason to do this now, but this unclean code has been bugging
me and I just wanted to get it fixed.
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This prefix isn't actually used and only adds noise, so remove it.
It may have been useful on Linux that makes a distinction between
/dev/ttyACM* and /dev/ttyUSB* but it isn't now. Also, it's unlikely that
the same vid/pid pair will be shared between an acm and usb driver
anyway.
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* main: allow setting the baud rate for serial monitors with default baudrate of 115200 bps
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This reverts commit 303410d3fcfcf3df45bfe6c927a5b963caf3a394 and also
removes the unnecessary fallback.
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Co-authored-by: Ayke <[email protected]>
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