787d83c57c
* There are now two indexes for table.copy and memory.copy, one for the source and the one for the destination table/memory. (see https://github.com/WebAssembly/bulk-memory-operations/pull/43) * Reverse the order of the table.init and memory.init indexes, so the segment index is first and the table/memory index is second. (see https://github.com/WebAssembly/bulk-memory-operations/pull/45) Change-Id: I1781edd4200a7b693e3d0814999e6292aafa58d3 Reviewed-on: https://chromium-review.googlesource.com/c/1446149 Reviewed-by: Ben Titzer <titzer@chromium.org> Commit-Queue: Ben Smith <binji@chromium.org> Cr-Commit-Position: refs/heads/master@{#59259}
125 lines
3.5 KiB
JavaScript
125 lines
3.5 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --experimental-wasm-bulk-memory
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load("test/mjsunit/wasm/wasm-module-builder.js");
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function addFunction(builder, k) {
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let m = builder.addFunction("", kSig_i_v)
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.addBody([...wasmI32Const(k)]);
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return m;
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}
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function addFunctions(builder, count, exportf = false) {
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let o = {};
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for (var i = 0; i < count; i++) {
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let name = `f${i}`;
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o[name] = addFunction(builder, i);
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if (exportf) o[name].exportAs(name);
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}
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return o;
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}
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function assertTable(obj, ...elems) {
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for (var i = 0; i < elems.length; i++) {
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assertEquals(elems[i], obj.get(i));
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}
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}
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(function TestTableInitInBounds() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let sig_v_iii = builder.addType(kSig_v_iii);
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let kTableSize = 5;
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builder.setTableBounds(kTableSize, kTableSize);
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{
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let o = addFunctions(builder, kTableSize, true);
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builder.addPassiveElementSegment(
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[o.f0.index, o.f1.index, o.f2.index, o.f3.index, o.f4.index]);
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}
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builder.addFunction("init0", sig_v_iii)
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.addBody([
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kExprGetLocal, 0,
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kExprGetLocal, 1,
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kExprGetLocal, 2,
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kNumericPrefix, kExprTableInit, kSegmentZero, kTableZero])
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.exportAs("init0");
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builder.addExportOfKind("table", kExternalTable, 0);
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let instance = builder.instantiate();
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let x = instance.exports;
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assertTable(x.table, null, null, null, null, null);
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// test actual writes.
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x.init0(0, 0, 1);
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assertTable(x.table, x.f0, null, null, null, null);
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x.init0(0, 0, 2);
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assertTable(x.table, x.f0, x.f1, null, null, null);
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x.init0(0, 0, 3);
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assertTable(x.table, x.f0, x.f1, x.f2, null, null);
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x.init0(3, 0, 2);
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assertTable(x.table, x.f0, x.f1, x.f2, x.f0, x.f1);
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x.init0(3, 1, 2);
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assertTable(x.table, x.f0, x.f1, x.f2, x.f1, x.f2);
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x.init0(3, 2, 2);
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assertTable(x.table, x.f0, x.f1, x.f2, x.f2, x.f3);
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x.init0(3, 3, 2);
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assertTable(x.table, x.f0, x.f1, x.f2, x.f3, x.f4);
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})();
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(function TestTableInitOob() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let sig_v_iii = builder.addType(kSig_v_iii);
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let kTableSize = 5;
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builder.setTableBounds(kTableSize, kTableSize);
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{
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let o = addFunctions(builder, kTableSize);
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builder.addPassiveElementSegment(
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[o.f0.index, o.f1.index, o.f2.index, o.f3.index, o.f4.index]);
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}
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builder.addFunction("init0", sig_v_iii)
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.addBody([
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kExprGetLocal, 0,
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kExprGetLocal, 1,
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kExprGetLocal, 2,
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kNumericPrefix, kExprTableInit, kSegmentZero, kTableZero])
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.exportAs("init0");
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builder.addExportOfKind("table", kExternalTable, 0);
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let instance = builder.instantiate();
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let x = instance.exports;
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assertTable(x.table, null, null, null, null, null);
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// 0-count is oob.
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assertThrows(() => x.init0(kTableSize+1, 0, 0));
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assertThrows(() => x.init0(0, kTableSize+1, 0));
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assertThrows(() => x.init0(0, 0, 6));
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assertThrows(() => x.init0(0, 1, 5));
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assertThrows(() => x.init0(0, 2, 4));
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assertThrows(() => x.init0(0, 3, 3));
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assertThrows(() => x.init0(0, 4, 2));
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assertThrows(() => x.init0(0, 5, 1));
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assertThrows(() => x.init0(0, 0, 6));
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assertThrows(() => x.init0(1, 0, 5));
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assertThrows(() => x.init0(2, 0, 4));
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assertThrows(() => x.init0(3, 0, 3));
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assertThrows(() => x.init0(4, 0, 2));
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assertThrows(() => x.init0(5, 0, 1));
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assertThrows(() => x.init0(10, 0, 1));
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assertThrows(() => x.init0(0, 10, 1));
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})();
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