1a935b3c28
{ModuleWireBytes} is just a wrapper around {base::Vector<const byte>},
so should be passed by value, just as {base::Vector}.
This CL adds a comment about this and fixes all functions and methods
that receive a {ModuleWireBytes} via const reference.
R=ahaas@chromium.org
Change-Id: Idbdc66c04a9acb92934b450c046ba7fd055448e9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4013309
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84172}
122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
// Copyright 2016 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.
|
|
|
|
#ifndef V8_WASM_MODULE_RUNNER_H_
|
|
#define V8_WASM_MODULE_RUNNER_H_
|
|
|
|
#include "src/execution/isolate.h"
|
|
#include "src/objects/objects.h"
|
|
#include "src/wasm/wasm-module.h"
|
|
#include "src/wasm/wasm-objects.h"
|
|
#include "src/wasm/wasm-result.h"
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
|
|
template <typename T>
|
|
class Handle;
|
|
|
|
template <typename T>
|
|
class MaybeHandle;
|
|
|
|
namespace wasm {
|
|
namespace testing {
|
|
|
|
// Returns a MaybeHandle to the JsToWasm wrapper of the wasm function exported
|
|
// with the given name by the provided instance.
|
|
MaybeHandle<WasmExportedFunction> GetExportedFunction(
|
|
Isolate* isolate, Handle<WasmInstanceObject> instance, const char* name);
|
|
|
|
// Call an exported wasm function by name. Returns -1 if the export does not
|
|
// exist or throws an error. Errors are cleared from the isolate before
|
|
// returning. {exception} is set to to true if an exception happened during
|
|
// execution of the wasm function.
|
|
int32_t CallWasmFunctionForTesting(Isolate* isolate,
|
|
Handle<WasmInstanceObject> instance,
|
|
const char* name, int argc,
|
|
Handle<Object> argv[],
|
|
bool* exception = nullptr);
|
|
|
|
// Decode, verify, and run the function labeled "main" in the
|
|
// given encoded module. The module should have no imports.
|
|
int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
|
|
const byte* module_end);
|
|
|
|
// Decode and compile the given module with no imports.
|
|
MaybeHandle<WasmModuleObject> CompileForTesting(Isolate* isolate,
|
|
ErrorThrower* thrower,
|
|
ModuleWireBytes bytes);
|
|
|
|
// Decode, compile, and instantiate the given module with no imports.
|
|
MaybeHandle<WasmInstanceObject> CompileAndInstantiateForTesting(
|
|
Isolate* isolate, ErrorThrower* thrower, ModuleWireBytes bytes);
|
|
|
|
class WasmInterpretationResult {
|
|
public:
|
|
static WasmInterpretationResult Failed() { return {kFailed, 0, false}; }
|
|
static WasmInterpretationResult Trapped(bool possible_nondeterminism) {
|
|
return {kTrapped, 0, possible_nondeterminism};
|
|
}
|
|
static WasmInterpretationResult Finished(int32_t result,
|
|
bool possible_nondeterminism) {
|
|
return {kFinished, result, possible_nondeterminism};
|
|
}
|
|
|
|
// {failed()} captures different reasons: The module was invalid, no function
|
|
// to call was found in the module, the function did not termine within a
|
|
// limited number of steps, or a stack overflow happened.
|
|
bool failed() const { return status_ == kFailed; }
|
|
bool trapped() const { return status_ == kTrapped; }
|
|
bool finished() const { return status_ == kFinished; }
|
|
|
|
int32_t result() const {
|
|
DCHECK_EQ(status_, kFinished);
|
|
return result_;
|
|
}
|
|
|
|
bool possible_nondeterminism() const { return possible_nondeterminism_; }
|
|
|
|
private:
|
|
enum Status { kFinished, kTrapped, kFailed };
|
|
|
|
const Status status_;
|
|
const int32_t result_;
|
|
const bool possible_nondeterminism_;
|
|
|
|
WasmInterpretationResult(Status status, int32_t result,
|
|
bool possible_nondeterminism)
|
|
: status_(status),
|
|
result_(result),
|
|
possible_nondeterminism_(possible_nondeterminism) {}
|
|
};
|
|
|
|
// Interprets the given module, starting at the function specified by
|
|
// {function_index}. The return type of the function has to be int32. The module
|
|
// should not have any imports or exports
|
|
WasmInterpretationResult InterpretWasmModule(
|
|
Isolate* isolate, Handle<WasmInstanceObject> instance,
|
|
int32_t function_index, WasmValue* args);
|
|
|
|
// Generate an array of default arguments for the given signature, to be used in
|
|
// the interpreter.
|
|
base::OwnedVector<WasmValue> MakeDefaultInterpreterArguments(
|
|
Isolate* isolate, const FunctionSig* sig);
|
|
|
|
// Generate an array of default arguments for the given signature, to be used
|
|
// when calling compiled code. Make sure that the arguments match the ones
|
|
// returned by {MakeDefaultInterpreterArguments}, otherwise fuzzers will report
|
|
// differences between interpreter and compiled code.
|
|
base::OwnedVector<Handle<Object>> MakeDefaultArguments(Isolate* isolate,
|
|
const FunctionSig* sig);
|
|
|
|
// Install function map, module symbol for testing
|
|
void SetupIsolateForWasmModule(Isolate* isolate);
|
|
|
|
} // namespace testing
|
|
} // namespace wasm
|
|
} // namespace internal
|
|
} // namespace v8
|
|
|
|
#endif // V8_WASM_MODULE_RUNNER_H_
|