v8/test/mjsunit/wasm/grow-memory-in-call.js
Sven Sauleau 5bdb13297f [wasm] merge js constants file in module-builder
We noticed that almost every call site were loading both files,
the split isn't necessary anymore.

In some message tests, removed the absolute line number to allow future
changes.

Bug: v8:8726
Change-Id: I8527f0a1ecfa685aa01a5e2f5f47ddf1cb13a545
Reviewed-on: https://chromium-review.googlesource.com/c/1446452
Commit-Queue: Sven Sauleau <ssauleau@igalia.com>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59220}
2019-01-30 22:10:34 +00:00

437 lines
19 KiB
JavaScript

// Copyright 2017 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 --stress-compaction
load('test/mjsunit/wasm/wasm-module-builder.js');
var initialMemoryPages = 1;
var maximumMemoryPages = 5;
// Grow memory in directly called functions.
print('=== grow_memory in direct calls ===');
// This test verifies that the current_memory instruction returns the correct
// value after returning from a function (direct call) that grew memory.
(function TestMemoryGrowInFunction() {
print('TestMemoryGrowInFunction ...');
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('main', kSig_i_i)
.addBody([
kExprGetLocal, 0, // get number of new pages
kExprCallFunction, kGrowFunction, // call the grow function
kExprDrop, // drop the result of grow
kExprMemorySize, kMemoryZero // get the memory size
])
.exportFunc();
var instance = builder.instantiate();
// The caller should be aware that the memory was grown by the callee.
var deltaPages = 1;
assertEquals(
initialMemoryPages + deltaPages, instance.exports.main(deltaPages));
})();
// This test verifies that accessing a memory page that has been created inside
// a function (direct call) does not trap in the caller.
(function TestMemoryGrowAndAccessInFunction() {
print('TestMemoryGrowAndAccessInFunction ...');
let index = 2 * kPageSize - 4;
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('load', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprI32LoadMem, 0, 0])
.exportFunc();
builder.addFunction('main', kSig_v_iii)
.addBody([
kExprGetLocal, 0, // get number of new pages
kExprCallFunction, kGrowFunction, // call the grow function
kExprDrop, // drop the result of grow
kExprGetLocal, 1, // get index
kExprGetLocal, 2, // get value
kExprI32StoreMem, 0, 0 // store
])
.exportFunc();
var instance = builder.instantiate();
assertTraps(kTrapMemOutOfBounds, () => instance.exports.load(index));
var deltaPages = 1;
instance.exports.main(deltaPages, index, 1234);
// The caller should be able to access memory that was grown by the callee.
assertEquals(1234, instance.exports.load(index));
})();
// This test verifies that when a function (direct call) grows and store
// something in the grown memory, the caller always reads from the grown
// memory. This checks that the memory start address gets updated in the caller.
(function TestMemoryGrowAndStoreInFunction() {
print('TestMemoryGrowAndStoreInFunction ...');
let index = 0;
let oldValue = 21;
let newValue = 42;
let deltaPages = 1;
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_v_v)
.addBody([
kExprI32Const, deltaPages, // always grow memory by deltaPages
kExprMemoryGrow, kMemoryZero, // grow memory
kExprDrop, // drop the result of grow
kExprI32Const, index, // put index on stack
kExprI32Const, newValue, // put new value on stack
kExprI32StoreMem, 0, 0 // store
])
.exportFunc()
.index;
builder.addFunction('main', kSig_i_i)
.addBody([
kExprI32Const, index, // put index on stack
kExprI32Const, oldValue, // put old value on stack
kExprI32StoreMem, 0, 0, // store
kExprCallFunction, kGrowFunction, // call grow_and_store
kExprI32Const, index, // put index on stack
kExprI32LoadMem, 0, 0 // load from grown memory
])
.exportFunc();
var instance = builder.instantiate();
// The caller should always read from grown memory.
assertEquals(newValue, instance.exports.main());
})();
// This test verifies that the effects of growing memory in an directly
// called function inside a loop affect the result of current_memory when
// the loop is over.
(function TestMemoryGrowInFunctionInsideLoop() {
print('TestMemoryGrowInFunctionInsideLoop ...');
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('main', kSig_i_ii)
.addBody([
// clang-format off
kExprLoop, kWasmStmt, // while
kExprGetLocal, 0, // -
kExprIf, kWasmStmt, // if <param0> != 0
// Grow memory.
kExprGetLocal, 1, // get number of new pages
kExprCallFunction, kGrowFunction, // call the grow function
kExprDrop, // drop the result of grow
// Decrease loop variable.
kExprGetLocal, 0, // -
kExprI32Const, 1, // -
kExprI32Sub, // -
kExprSetLocal, 0, // decrease <param0>
kExprBr, 1, // continue
kExprEnd, // end if
kExprEnd, // end loop
// Return the memory size.
kExprMemorySize, kMemoryZero // put memory size on stack
// clang-format on
])
.exportFunc();
// The caller should be aware that the memory was grown by the callee.
let instance = builder.instantiate();
let iterations = 4;
let deltaPages = 1;
assertEquals(
initialMemoryPages + iterations * deltaPages,
instance.exports.main(iterations, deltaPages));
})();
// This test verifies that the effects of writing to memory grown in an
// directly called function inside a loop are retained when the loop is over.
(function TestMemoryGrowAndStoreInFunctionInsideLoop() {
print('TestMemoryGrowAndStoreInFunctionInsideLoop ...');
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
builder.addFunction('store', kSig_i_ii)
.addBody([
kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem, 0, 0,
kExprGetLocal, 1
])
.exportFunc();
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
// parameters: iterations, deltaPages, index
builder.addFunction('main', kSig_i_iii)
.addBody([
// clang-format off
kExprLoop, kWasmStmt, // while
kExprGetLocal, 0, // -
kExprIf, kWasmStmt, // if <param0> != 0
// Grow memory.
kExprGetLocal, 1, // get number of new pages
kExprCallFunction, kGrowFunction, // call the grow function
kExprDrop, // drop the result of grow
// Increase counter in memory.
kExprGetLocal, 2, // put index (for store)
kExprGetLocal, 2, // put index (for load)
kExprI32LoadMem, 0, 0, // load from grown memory
kExprI32Const, 1, // -
kExprI32Add, // increase counter
kExprI32StoreMem, 0, 0, // store counter in memory
// Decrease loop variable.
kExprGetLocal, 0, // -
kExprI32Const, 1, // -
kExprI32Sub, // -
kExprSetLocal, 0, // decrease <param0>
kExprBr, 1, // continue
kExprEnd, // end if
kExprEnd, // end loop
// Return the value
kExprGetLocal, 2, // -
kExprI32LoadMem, 0, 0 // load from grown memory
// clang-format on
])
.exportFunc();
// The caller should always read the correct memory
let instance = builder.instantiate();
let iterations = 4;
let deltaPages = 1;
let index = 0;
let initialValue = 1;
let expectedValue = initialValue + iterations;
instance.exports.store(index, initialValue);
assertEquals(
expectedValue, instance.exports.main(iterations, deltaPages, index));
})();
// Grow memory in indirectly called functions.
print('\n=== grow_memory in indirect calls ===');
// This test verifies that the current_memory instruction returns the correct
// value after returning from a function (indirect call) that grew memory.
(function TestMemoryGrowInIndirectCall() {
print('TestMemoryGrowInIndirectCall ...');
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('main', kSig_i_ii)
.addBody([
kExprGetLocal, 1, // get number of new pages
kExprGetLocal, 0, // get index of the function
kExprCallIndirect, 0, kTableZero, // call the function
kExprDrop, // drop the result of grow
kExprMemorySize, kMemoryZero // get the memory size
])
.exportFunc();
builder.appendToTable([kGrowFunction]);
var instance = builder.instantiate();
// The caller should be aware that the memory was grown by the callee.
var deltaPages = 1;
assertEquals(
initialMemoryPages + deltaPages,
instance.exports.main(kGrowFunction, deltaPages));
})();
// This test verifies that accessing a memory page that has been created inside
// a function (indirect call) does not trap in the caller.
(function TestMemoryGrowAndAccessInIndirectCall() {
print('TestMemoryGrowAndAccessInIndirectCall ...');
let index = 2 * kPageSize - 4;
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('load', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprI32LoadMem, 0, 0])
.exportFunc();
let sig = makeSig([kWasmI32, kWasmI32, kWasmI32, kWasmI32], []);
builder.addFunction('main', sig)
.addBody([
kExprGetLocal, 1, // get number of new pages
kExprGetLocal, 0, // get index of the function
kExprCallIndirect, 0, kTableZero, // call the function
kExprDrop, // drop the result of grow
kExprGetLocal, 2, // get index
kExprGetLocal, 3, // get value
kExprI32StoreMem, 0, 0 // store
])
.exportFunc();
builder.appendToTable([kGrowFunction]);
var instance = builder.instantiate();
assertTraps(kTrapMemOutOfBounds, () => instance.exports.load(index));
let deltaPages = 1;
let value = 1234;
instance.exports.main(kGrowFunction, deltaPages, index, value);
// The caller should be able to access memory that was grown by the callee.
assertEquals(value, instance.exports.load(index));
})();
// This test verifies that when a function (indirect call) grows and store
// something in the grown memory, the caller always reads from the grown
// memory. This checks that the memory start address gets updated in the caller.
(function TestMemoryGrowAndStoreInIndirectCall() {
print('TestMemoryGrowAndStoreInIndirectCall ...');
let index = 0;
let oldValue = 21;
let newValue = 42;
let deltaPages = 1;
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_v_v)
.addBody([
kExprI32Const, deltaPages, // always grow memory by deltaPages
kExprMemoryGrow, kMemoryZero, // grow memory
kExprDrop, // drop the result of grow
kExprI32Const, index, // put index on stack
kExprI32Const, newValue, // put new value on stack
kExprI32StoreMem, 0, 0 // store
])
.exportFunc()
.index;
builder.addFunction('main', kSig_i_i)
.addBody([
kExprI32Const, index, // put index on stack
kExprI32Const, oldValue, // put old value on stack
kExprI32StoreMem, 0, 0, // store
kExprGetLocal, 0, // get index of the function
kExprCallIndirect, 0, kTableZero, // call the function
kExprI32Const, index, // put index on stack
kExprI32LoadMem, 0, 0 // load from grown memory
])
.exportFunc();
builder.appendToTable([kGrowFunction]);
var instance = builder.instantiate();
// The caller should always read from grown memory.
assertEquals(42, instance.exports.main(kGrowFunction));
})();
// This test verifies that the effects of growing memory in an indirectly
// called function inside a loop affect the result of current_memory when
// the loop is over.
(function TestMemoryGrowInIndirectCallInsideLoop() {
print('TestMemoryGrowInIndirectCallInsideLoop ...');
let builder = new WasmModuleBuilder();
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('main', kSig_i_iii)
.addBody([
// clang-format off
kExprLoop, kWasmStmt, // while
kExprGetLocal, 1, // -
kExprIf, kWasmStmt, // if <param1> != 0
// Grow memory.
kExprGetLocal, 2, // get number of new pages
kExprGetLocal, 0, // get index of the function
kExprCallIndirect, 0, kTableZero, // call the function
kExprDrop, // drop the result of grow
// Decrease loop variable.
kExprGetLocal, 1, // -
kExprI32Const, 1, // -
kExprI32Sub, // -
kExprSetLocal, 1, // decrease <param1>
kExprBr, 1, // continue
kExprEnd, // end if
kExprEnd, // end loop
// Return the memory size.
kExprMemorySize, kMemoryZero // put memory size on stack
// clang-format on
])
.exportFunc();
builder.appendToTable([kGrowFunction]);
// The caller should be aware that the memory was grown by the callee.
let instance = builder.instantiate();
let deltaPages = 1;
let iterations = 4;
assertEquals(
initialMemoryPages + iterations * deltaPages,
instance.exports.main(kGrowFunction, iterations, deltaPages));
})();
// This test verifies that the effects of writing to memory grown in an
// indirectly called function inside a loop are retained when the loop is over.
(function TestMemoryGrowAndStoreInIndirectCallInsideLoop() {
print('TestMemoryGrowAndStoreInIndirectCallInsideLoop ...');
let builder = new WasmModuleBuilder();
let deltaPages = 1;
builder.addMemory(initialMemoryPages, maximumMemoryPages, true);
let kGrowFunction =
builder.addFunction('grow', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc()
.index;
builder.addFunction('store', kSig_i_ii)
.addBody([
kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem, 0, 0,
kExprGetLocal, 1
])
.exportFunc();
builder
.addFunction(
// parameters: function_index, iterations, deltaPages, index
'main', makeSig([kWasmI32, kWasmI32, kWasmI32, kWasmI32], [kWasmI32]))
.addBody([
// clang-format off
kExprLoop, kWasmStmt, // while
kExprGetLocal, 1, // -
kExprIf, kWasmStmt, // if <param1> != 0
// Grow memory.
kExprGetLocal, 2, // get number of new pages
kExprGetLocal, 0, // get index of the function
kExprCallIndirect, 0, kTableZero, // call the function
kExprDrop, // drop the result of grow
// Increase counter in memory.
kExprGetLocal, 3, // put index (for store)
kExprGetLocal, 3, // put index (for load)
kExprI32LoadMem, 0, 0, // load from grown memory
kExprI32Const, 1, // -
kExprI32Add, // increase counter
kExprI32StoreMem, 0, 0, // store counter in memory
// Decrease loop variable.
kExprGetLocal, 1, // -
kExprI32Const, 1, // -
kExprI32Sub, // -
kExprSetLocal, 1, // decrease <param1>
kExprBr, 1, // continue
kExprEnd, // end if
kExprEnd, // end loop
// Return the value
kExprGetLocal, 3, // -
kExprI32LoadMem, 0, 0 // load from grown memory
// clang-format on
])
.exportFunc();
builder.appendToTable([kGrowFunction]);
// The caller should be aware that the memory was grown by the callee.
let instance = builder.instantiate();
let iterations = 4;
let index = 0;
let initialValue = 1;
let expectedValue = initialValue + iterations;
instance.exports.store(index, initialValue);
assertEquals(
expectedValue,
instance.exports.main(kGrowFunction, iterations, deltaPages, index));
})();