This completes the implementation of SIMD proposal for both
the interpreter and compiler(amd64).
This also fixes#210 by adding the complete documentation
over all the wazeroir operations.
Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
Co-authored-by: Crypt Keeper <64215+codefromthecrypt@users.noreply.github.com>
This adds two clock interfaces: sys.Walltime and sys.Nanotime to
allow implementations to override readings for purposes of security or
determinism.
The default values of both are a fake timestamp, to avoid the sandbox
break we formerly had by returning the real time. This is similar to how
we don't inherit OS Env values.
This narrows to what the `internal/platform` package supports, which is
currently bound by Go SDK source that include `Mprotect` or windows.
Ex. `zsyscall_linux_amd64.go` includes `Mprotect`, but
`zsyscall_freebsd_amd64.go` does not.
This should prevent errors like below, by allowing `wazero.NewRuntime()`
to properly fallback to the interpreter.
```
.../mmap.go:74:16: undefined: syscall.Mprotect
```
A later change will implement FreeBSD. This is just here to ensure users
don't crash on unexpected OS.
See #607
Signed-off-by: Adrian Cole <adrian@tetrate.io>
This moves the platform-specific runtime code (currently only used by
the compiler) into its own package. Specifically, this moves the mmap
logic, and in doing so makes it easier to test, for example new
operating systems.
This also backfills missing RATIONALE about x/sys and hints at a future
possibility to allow a plugin. However, the next step is to get FreeBSD
working natively on the compiler without any additional dependencies.
See #607
Signed-off-by: Adrian Cole <adrian@tetrate.io>
This implements various SIMD instructions related to
load, store, and lane manipulations for all engines.
Notablely, now our engines pass the following specification tests:
* simd_address.wast
* simd_const.wast
* simd_align.wast
* simd_laod16_lane.wast
* simd_laod32_lane.wast
* simd_laod64_lane.wast
* simd_laod8_lane.wast
* simd_lane.wast
* simd_load_extend.wast
* simd_load_splat.wast
* simd_load_zero.wast
* simd_store.wast
* simd_store16_lane.wast
* simd_store32_lane.wast
* simd_store64_lane.wast
* simd_store8_lane.wast
part of #484
Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
Co-authored-by: Adrian Cole <adrian@tetrate.io>
This moves the compiler support flag out of the public package as it was
only put there for tests. This also files modgen under the testing
subdir so that it isn't mistaken for main code.
Signed-off-by: Adrian Cole <adrian@tetrate.io>
This notably changes NewRuntimeJIT to NewRuntimeCompiler as well renames
packages from jit to compiler.
This clarifies the implementation is AOT, not JIT, at least when
clarified to where it occurs (Runtime.CompileModule). In doing so, we
reduce any concern that compilation will happen during function
execution. We also free ourselves to create a JIT option without
confusion in the future via CompileConfig or otherwise.
Fixes#560
Signed-off-by: Adrian Cole <adrian@tetrate.io>
