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// |jit-test| skip-if: !wasmDebuggingEnabled()
var g = newGlobal({newCompartment: true});
var dbg = new g.Debugger(this);
var dbg = new Debugger;
var kWasmH0 = 0;
var kWasmH1 = 0x61;
var kWasmH2 = 0x73;
var kWasmH3 = 0x6d;
var kWasmV0 = 0x1;
var kWasmV1 = 0;
var kWasmV2 = 0;
var kWasmV3 = 0;
let kTypeSectionCode = 1; // Function signature declarations
let kImportSectionCode = 2; // Import declarations
let kFunctionSectionCode = 3; // Function declarations
let kExportSectionCode = 7; // Exports
let kCodeSectionCode = 10; // Function code
let kWasmFunctionTypeForm = 0x60;
let kWasmI32 = 0x7f;
let kExternalFunction = 0;
let kSig_i_i = makeSig([kWasmI32], [kWasmI32]);
function makeSig(params, results) {
return {
params: params,
results: results
};
}
let kExprEnd = 0x0b;
let kExprGetLocal = 0x20;
class Binary extends Array {
emit_u8(val) {
this.push(val);
}
emit_u32v(val) {
while (true) {
let v = val & 0xff;
val = val >>> 7;
this.push(v);
break;
}
}
emit_bytes(data) {
for (let i = 0; i < data.length; i++) {
this.push(data[i] & 0xff);
}
}
emit_string(string) {
let string_utf8 = unescape(encodeURIComponent(string));
this.emit_u32v(string_utf8.length);
for (let i = 0; i < string_utf8.length; i++) {
this.emit_u8(string_utf8.charCodeAt(i));
}
}
emit_header() {
this.push(kWasmH0, kWasmH1, kWasmH2, kWasmH3, kWasmV0, kWasmV1, kWasmV2, kWasmV3);
}
emit_section(section_code, content_generator) {
this.emit_u8(section_code);
let section = new Binary;
content_generator(section);
this.emit_u32v(section.length);
for (var i = 0; i < section.length; i++) this.push(section[i]);
}
}
class WasmFunctionBuilder {
constructor(module, name, type_index) {
this.module = module;
}
exportAs(name) {
this.module.addExport(name, this.index);
}
addBody(body) {
this.body = body.slice();
this.body.push(kExprEnd);
return this;
}
}
class WasmModuleBuilder {
constructor() {
this.types = [];
this.imports = [];
this.exports = [];
this.functions = [];
}
addType(type) {
this.types.push(type);
}
addFunction(name, type) {
let type_index = (typeof type) == "number" ? type : this.addType(type);
let func = new WasmFunctionBuilder(this, name, type_index);
this.functions.push(func);
return func;
}
addImport(module = "", name, type) {
this.imports.push({
module: module,
name: name,
kind: kExternalFunction,
});
}
addExport(name, index) {
this.exports.push({
name: name,
});
}
toArray(debug = false) {
let binary = new Binary;
let wasm = this;
binary.emit_header();
if (wasm.types.length > 0) {
binary.emit_section(kTypeSectionCode, section => {
section.emit_u32v(wasm.types.length);
for (let type of wasm.types) {
section.emit_u8(kWasmFunctionTypeForm);
section.emit_u32v(type.params.length);
for (let param of type.params) {
section.emit_u8(param);
}
section.emit_u32v(type.results.length);
for (let result of type.results) {
section.emit_u8(result);
}
}
});
binary.emit_section(kImportSectionCode, section => {
section.emit_u32v(wasm.imports.length);
for (let imp of wasm.imports) {
section.emit_string(imp.module);
section.emit_string(imp.name || '');
section.emit_u8(imp.kind);
if (imp.kind == kExternalFunction) {
section.emit_u32v(imp.type);
}
}
});
binary.emit_section(kFunctionSectionCode, section => {
section.emit_u32v(wasm.functions.length);
for (let func of wasm.functions) {
section.emit_u32v(func.type_index);
}
});
}
var mem_export = (wasm.memory !== undefined && wasm.memory.exp);
var exports_count = wasm.exports.length + (mem_export ? 1 : 0);
if (exports_count > 0) {
binary.emit_section(kExportSectionCode, section => {
section.emit_u32v(exports_count);
for (let exp of wasm.exports) {
section.emit_string(exp.name);
section.emit_u8(exp.kind);
section.emit_u8(0);
}
});
}
if (wasm.start_index !== undefined) {
}
if (wasm.functions.length > 0) {
binary.emit_section(kCodeSectionCode, section => {
section.emit_u32v(wasm.functions.length);
for (let func of wasm.functions) {
let local_decls = [];
let header = new Binary;
header.emit_u32v(local_decls.length);
section.emit_u32v(header.length + func.body.length);
section.emit_bytes(header);
section.emit_bytes(func.body);
}
});
}
let num_function_names = 0;
let num_functions_with_local_names = 0;
if (num_function_names > 0 || num_functions_with_local_names > 0 || wasm.name !== undefined) {
binary.emit_section(kUnknownSectionCode, section => {
if (num_function_names > 0) {
}
});
}
return binary;
}
toBuffer(debug = false) {
let bytes = this.toArray(debug);
let buffer = new ArrayBuffer(bytes.length);
let view = new Uint8Array(buffer);
for (let i = 0; i < bytes.length; i++) {
let val = bytes[i];
view[i] = val | 0;
}
return buffer;
}
toModule(debug = false) {
return new WebAssembly.Module(this.toBuffer(debug));
}
}
const verifyHeap = gc;
function testProperties(obj) {
for (let i = 0; i < 3; i++) {
verifyHeap();
}
}
(function ExportedFunctionTest() {
var builder = new WasmModuleBuilder();
builder.addFunction("exp", kSig_i_i).addBody([
kExprGetLocal, 0,
]).exportAs("exp");
let module1 = builder.toModule();
let instance1 = new WebAssembly.Instance(module1);
let g = instance1.exports.exp;
testProperties(g);
builder.addImport("imp", "func", kSig_i_i);
let module2 = builder.toModule();
let instance2 = new WebAssembly.Instance(module2, {
imp: {
func: g
}
});
})();
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