[test] Update wasi tests to pass on all engines

test/bin/run-wasm-wasi1@wizeng

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do
+  DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
+
+OUT=$1
+shift
+TEST=$1
+shift
+
+BASE=${TEST/%.v3/}
+exec $DIR/../config/wizeng -dir=. $OUT/${BASE}.wasm "$@"

test/wasi/cat0.v3

@@ -2,15 +2,15 @@ def iovecs = Array<int>.new(2);
 def sizebuf = Array<int>.new(1);
 def buffer = Array<byte>.new(1024);
 
-def main() -> int {
+def main() {
 	var r: int;
 
 	var ioptr = Pointer.atContents(iovecs);
 	var sizeptr = Pointer.atContents(sizebuf);
 
 	var path = "cat0.v3.input";
 	put("##+open\n");
-	var rights = wasi_rights.fd_read.tag;
+	var rights = (1 << wasi_rights.fd_read.tag) | (1 << wasi_rights.path_open.tag);
 	r = wasi_snapshot_preview1.path_open(3, 0, Pointer.atContents(path), path.length, 0, rights, rights, 0, Pointer.atContents(sizebuf));
 	check_errno(r);
 	var fd = sizebuf[0];
@@ -26,8 +26,6 @@ def main() -> int {
 	put("##+write\n");
 	r = wasi_snapshot_preview1.fd_write(1, ioptr, 1, sizeptr);
 	check_errno(r);
-
-	return 42;
 }
 
 def put_in = Array<int>.new(2);

test/wasi/cat0.v3.out

@@ -8,4 +8,3 @@ FooBarBaz==78723487
 )!@#$%^&*(
 >>>>>>>>>>
 ##-ok
-42

test/wasi/echo.v3

@@ -22,6 +22,8 @@ component RiRuntime {
 		}
 		return args;
 	}
+	def exit(code: int) { // TODO: required to make entry stub return nothing
+	}
 }
 
 def main(args: Array<string>) -> int {

test/wasi/fd_prestat1.v3

@@ -57,7 +57,7 @@ def puti(i: int) {
 def iobuf = Array<byte>.new(16);
 def retbuf = Array<byte>.new(16);
 def fs_write(data: Pointer, len: int) -> int {
-	var fd = 0;
+	var fd = 1;
 	var p = Pointer.atContents(iobuf);
 	(p + 0).store<int>(data - Pointer.NULL);
 	(p + 4).store<int>(len);

test/wasi/fd_write00.v3

@@ -1,7 +1,7 @@
 def iovecs = Array<int>.new(4);
 def sizebuf = Array<int>.new(1);
 
-def main() -> int {
+def main() {
 	var msg = "fd_write: success\n";
 
 	iovecs[0] = Pointer.atContents(msg) - Pointer.NULL;
@@ -12,6 +12,5 @@ def main() -> int {
 	var ioptr = Pointer.atContents(iovecs);
 	var sizeptr = Pointer.atContents(sizebuf);
 	var r = wasi_snapshot_preview1.fd_write(1, ioptr, 1, sizeptr);
-	if (r != 0) return -1 - sizebuf[0];
-	return 43;
+	if (r != 0) var x = 1/0;
 }

test/wasi/fd_write01.v3

@@ -1,7 +1,7 @@
 def iovecs = Array<int>.new(4);
 def sizebuf = Array<int>.new(1);
 
-def main() -> int {
+def main() {
 	var msg = "fd_write: success\n";
 
 	var ioptr = Pointer.atContents(iovecs);
@@ -10,11 +10,13 @@ def main() -> int {
 	for (i < msg.length) {
 		iovecs[0] = Pointer.atElement(msg, 0) - Pointer.NULL;
 		iovecs[1] = i;
-		iovecs[2] = Pointer.atElement(msg, i) - Pointer.NULL;
-		iovecs[3] = msg.length - i;
 
-		var r = wasi_snapshot_preview1.fd_write(1, ioptr, 2, sizeptr);
-		if (r != 0) return -1 - sizebuf[0];
+		// TODO: wasmtime doesn't support multiple iovecs
+		if (wasi_snapshot_preview1.fd_write(1, ioptr, 1, sizeptr) != 0) var x = 1/0;
+
+		iovecs[0] = Pointer.atElement(msg, i) - Pointer.NULL;
+		iovecs[1] = msg.length - i;
+
+		if (wasi_snapshot_preview1.fd_write(1, ioptr, 1, sizeptr) != 0) var x = 1/0;
 	}
-	return 43;
 }

test/wasi/fd_write02.v3

@@ -1,7 +1,7 @@
 def iovecs = Array<int>.new(2);
 def sizebuf = Array<int>.new(1);
 
-def main() -> int {
+def main() {
 	var msg = "fd_write(stderr): success\n";
 
 	iovecs[0] = Pointer.atContents(msg) - Pointer.NULL;
@@ -10,6 +10,5 @@ def main() -> int {
 	var ioptr = Pointer.atContents(iovecs);
 	var sizeptr = Pointer.atContents(sizebuf);
 	var r = wasi_snapshot_preview1.fd_write(2, ioptr, 1, sizeptr); // stderr
-	if (r != 0) return -1 - sizebuf[0];
-	return 44;
+	if (r != 0) var x = 1/0;
 }