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Diffstat (limited to 'src/cmd/compile/doc.go')
| -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 |