expose wasi_copyin/copyout

yamt · yamt · commit 27ee55753b95 · 2023-01-14T10:58:25.000+09:00
copyout might be used for wasi-threads.
diff --git a/lib/wasi.c b/lib/wasi.c
@@ -212,7 +212,7 @@ fdinfo_is_prestat(const struct wasi_fdinfo *fdinfo)
         return fdinfo->hostfd == -1 && fdinfo->prestat_path != NULL;
 }
 
-static int
+int
 wasi_copyin(struct exec_context *ctx, void *hostaddr, uint32_t wasmaddr,
             size_t len)
 {
@@ -226,7 +226,7 @@ wasi_copyin(struct exec_context *ctx, void *hostaddr, uint32_t wasmaddr,
         return 0;
 }
 
-static int
+int
 wasi_copyout(struct exec_context *ctx, const void *hostaddr, uint32_t wasmaddr,
              size_t len)
 {
diff --git a/lib/wasi_impl.h b/lib/wasi_impl.h
@@ -23,3 +23,7 @@
 #endif
 
 uint32_t wasi_convert_errno(int host_errno);
+int wasi_copyout(struct exec_context *ctx, const void *hostaddr,
+                 uint32_t wasmaddr, size_t len);
+int wasi_copyin(struct exec_context *ctx, void *hostaddr, uint32_t wasmaddr,
+                size_t len);

Original file line number	Diff line number	Diff line change
`@@ -212,7 +212,7 @@ fdinfo_is_prestat(const struct wasi_fdinfo *fdinfo)`
`212`	`212`	`return fdinfo->hostfd == -1 && fdinfo->prestat_path != NULL;`
`213`	`213`	`}`
`214`	`214`
`215`		`-static int`
	`215`	`+int`
`216`	`216`	`wasi_copyin(struct exec_context ctx, void hostaddr, uint32_t wasmaddr,`
`217`	`217`	`size_t len)`
`218`	`218`	`{`
`@@ -226,7 +226,7 @@ wasi_copyin(struct exec_context ctx, void hostaddr, uint32_t wasmaddr,`
`226`	`226`	`return 0;`
`227`	`227`	`}`
`228`	`228`
`229`		`-static int`
	`229`	`+int`
`230`	`230`	`wasi_copyout(struct exec_context ctx, const void hostaddr, uint32_t wasmaddr,`
`231`	`231`	`size_t len)`
`232`	`232`	`{`