diff options
author | Mauri de Souza Meneguzzo <mauri870@gmail.com> | 2024-01-10 21:15:55 +0000 |
---|---|---|
committer | Cherry Mui <cherryyz@google.com> | 2024-01-11 16:53:50 +0000 |
commit | d1674cb4c6531df6573bc3be136b302d2b362c56 (patch) | |
tree | 2424ed348d1e8f32333b48dd25044499ce2cbea1 | |
parent | ee4b61a32e9cbc8ef5ce484dbf1e5133459b8771 (diff) | |
download | go-d1674cb4c6531df6573bc3be136b302d2b362c56.tar.gz go-d1674cb4c6531df6573bc3be136b302d2b362c56.zip |
cmd/compile: document go:wasmimport directive
Fixes #64972
Change-Id: I784a8728afbdef9736681d56f0a79c82a00609d6
GitHub-Last-Rev: bf158dbeaaa495dc258c590c7a21cf9e25e76ee7
GitHub-Pull-Request: golang/go#64991
Reviewed-on: https://go-review.googlesource.com/c/go/+/554455
Reviewed-by: Achille Roussel <achille.roussel@gmail.com>
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Austin Clements <austin@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
-rw-r--r-- | src/cmd/compile/doc.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/cmd/compile/doc.go b/src/cmd/compile/doc.go index 0a60368afa..507899e222 100644 --- a/src/cmd/compile/doc.go +++ b/src/cmd/compile/doc.go @@ -295,5 +295,27 @@ The declaration of lower.f may also have a linkname directive with a single argument, f. This is optional, but helps alert the reader that the function is accessed from outside the package. + //go:wasmimport importmodule importname + +The //go:wasmimport directive is wasm-only and must be followed by a +function declaration. +It specifies that the function is provided by a wasm module identified +by ``importmodule`` and ``importname``. + + //go:wasmimport a_module f + func g() + +The types of parameters and return values to the Go function are translated to +Wasm according to the following table: + + Go types Wasm types + int32, uint32 i32 + int64, uint64 i64 + float32 f32 + float64 f64 + unsafe.Pointer i32 + +Any other parameter types are disallowed by the compiler. + */ package main |