v8/test/cctest/compiler/code-assembler-tester.h
Michael Starzinger b8b622c94a [builtins] Set {builtin_index} during code allocation.
This ensures that the {Code::builtin_index} field is only set during
allocation of new {Code} objects, making this field truly immutable.

R=jgruber@chromium.org
BUG=v8:6792

Change-Id: Ic793346976183149e2d077e92cb9da3c925ea865
Reviewed-on: https://chromium-review.googlesource.com/774439
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49414}
2017-11-16 13:56:49 +00:00

69 lines
2.2 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_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
#define V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
#include "src/compiler/code-assembler.h"
#include "src/compiler/raw-machine-assembler.h"
#include "src/handles.h"
#include "src/interface-descriptors.h"
#include "src/isolate.h"
#include "test/cctest/compiler/function-tester.h"
namespace v8 {
namespace internal {
namespace compiler {
class CodeAssemblerTester {
public:
// Test generating code for a stub. Assumes VoidDescriptor call interface.
explicit CodeAssemblerTester(Isolate* isolate)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, VoidDescriptor(isolate), Code::STUB, "test") {}
// Test generating code for a JS function (e.g. builtins).
CodeAssemblerTester(Isolate* isolate, int parameter_count,
Code::Kind kind = Code::BUILTIN)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, parameter_count, kind, "test") {}
CodeAssemblerTester(Isolate* isolate, Code::Kind kind)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, 0, kind, "test") {}
CodeAssemblerTester(Isolate* isolate, CallDescriptor* call_descriptor)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, call_descriptor, Code::STUB, "test", 0, -1) {}
CodeAssemblerState* state() { return &state_; }
// Direct low-level access to the machine assembler, for testing only.
RawMachineAssembler* raw_assembler_for_testing() {
return state_.raw_assembler_.get();
}
Handle<Code> GenerateCode() { return CodeAssembler::GenerateCode(&state_); }
Handle<Code> GenerateCodeCloseAndEscape() {
return scope_.CloseAndEscape(GenerateCode());
}
private:
Zone zone_;
HandleScope scope_;
LocalContext context_;
CodeAssemblerState state_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_