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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm --expose-gc --allow-natives-syntax
load("test/mjsunit/wasm/wasm-constants.js");
function makeFFI(func) {
var kBodySize = 6;
var kNameFunOffset = 24 + kBodySize + 1;
var kNameMainOffset = kNameFunOffset + 4;
var ffi = new Object();
ffi.fun = func;
var data = bytes(
// signatures
kDeclSignatures, 1,
2, kAstI32, kAstF64, kAstF64, // (f64,f64) -> int
// -- foreign function
kDeclFunctions, 2,
kDeclFunctionName | kDeclFunctionImport,
0, 0,
kNameFunOffset, 0, 0, 0, // name offset
// -- main function
kDeclFunctionName | kDeclFunctionExport,
0, 0,
kNameMainOffset, 0, 0, 0, // name offset
kBodySize, 0,
// main body
kExprCallFunction, 0, // --
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
// names
kDeclEnd,
'f', 'u', 'n', 0, // --
'm', 'a', 'i', 'n', 0 // --
);
var module = _WASMEXP_.instantiateModule(data, ffi);
assertEquals("function", typeof module.main);
return module.main;
}
function makeReentrantFFI(func) {
var main = makeFFI(reenter);
function reenter(a, b) {
print(" reenter " + a);
if (a > 0) main(a - 1, b);
else func();
}
return main;
}
function runTest(builder) {
// ---- THROWING TEST -----------------------------------------------
function throwadd(a, b) {
print("-- trying throw --");
throw a + b;
}
function throwa(a) {
print("-- trying throw --");
throw a;
}
function throwstr() {
print("-- trying throw --");
throw "string";
}
assertThrows(builder(throwadd));
assertThrows(builder(throwa));
assertThrows(builder(throwstr));
try {
builder(throwadd)(7.8, 9.9);
} catch(e) {
print(e);
}
try {
builder(throwa)(11.8, 9.3);
} catch(e) {
print(e);
}
try {
builder(throwstr)(3, 5);
} catch(e) {
print(e);
}
// ---- DEOPT TEST -----------------------------------------------
function deopt() {
print("-- trying deopt --");
%DeoptimizeFunction(deopter);
}
var deopter = builder(deopt);
deopter(5, 5);
for (var i = 0; i < 9; i++) {
deopter(6, 6);
}
// ---- GC TEST -----------------------------------------------
function dogc(a, b) {
print("-- trying gc --");
gc();
gc();
}
var gcer = builder(dogc);
gcer(7, 7);
for (var i = 0; i < 9; i++) {
gcer(8, 8);
}
}
runTest(makeReentrantFFI);
runTest(makeFFI);
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