mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 12:24:24 +00:00
8a179fb953
New folder structure (nested under vm/): - compiler/ - jit/ - JIT specific code - aot/ - AOT specific code - backend/ - all middle-end and back-end code (IL, flow graph) - assembler/ - assemblers and disassemblers - frontend/ - front ends (AST -> IL, Kernel -> IL) compiler/README.md would be the documentation root for the compiler pipeline Bug: https://github.com/dart-lang/sdk/issues/30575 Change-Id: I2dfd9688793bff737f7632ddc77fca766875ce36 Reviewed-on: https://dart-review.googlesource.com/2940 Reviewed-by: Vyacheslav Egorov <vegorov@google.com> Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
328 lines
13 KiB
C++
328 lines
13 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "vm/stack_frame.h"
|
|
#include "include/dart_api.h"
|
|
#include "platform/assert.h"
|
|
#include "vm/class_finalizer.h"
|
|
#include "vm/compiler/jit/compiler.h"
|
|
#include "vm/dart_api_impl.h"
|
|
#include "vm/dart_entry.h"
|
|
#include "vm/resolver.h"
|
|
#include "vm/unit_test.h"
|
|
#include "vm/verifier.h"
|
|
#include "vm/zone.h"
|
|
|
|
namespace dart {
|
|
|
|
// Unit test for empty stack frame iteration.
|
|
ISOLATE_UNIT_TEST_CASE(EmptyStackFrameIteration) {
|
|
StackFrameIterator iterator(StackFrameIterator::kValidateFrames,
|
|
Thread::Current(),
|
|
StackFrameIterator::kNoCrossThreadIteration);
|
|
EXPECT(!iterator.HasNextFrame());
|
|
EXPECT(iterator.NextFrame() == NULL);
|
|
VerifyPointersVisitor::VerifyPointers();
|
|
}
|
|
|
|
// Unit test for empty dart stack frame iteration.
|
|
ISOLATE_UNIT_TEST_CASE(EmptyDartStackFrameIteration) {
|
|
DartFrameIterator iterator(Thread::Current(),
|
|
StackFrameIterator::kNoCrossThreadIteration);
|
|
EXPECT(iterator.NextFrame() == NULL);
|
|
VerifyPointersVisitor::VerifyPointers();
|
|
}
|
|
|
|
#define FUNCTION_NAME(name) StackFrame_##name
|
|
#define REGISTER_FUNCTION(name, count) {"" #name, FUNCTION_NAME(name), count},
|
|
|
|
void FUNCTION_NAME(StackFrame_equals)(Dart_NativeArguments args) {
|
|
NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
|
|
const Instance& expected = Instance::CheckedHandle(arguments->NativeArgAt(0));
|
|
const Instance& actual = Instance::CheckedHandle(arguments->NativeArgAt(1));
|
|
if (!expected.OperatorEquals(actual)) {
|
|
OS::Print("expected: '%s' actual: '%s'\n", expected.ToCString(),
|
|
actual.ToCString());
|
|
FATAL("Expect_equals fails.\n");
|
|
}
|
|
}
|
|
|
|
void FUNCTION_NAME(StackFrame_frameCount)(Dart_NativeArguments args) {
|
|
int count = 0;
|
|
StackFrameIterator frames(StackFrameIterator::kValidateFrames,
|
|
Thread::Current(),
|
|
StackFrameIterator::kNoCrossThreadIteration);
|
|
while (frames.NextFrame() != NULL) {
|
|
count += 1; // Count the frame.
|
|
}
|
|
{
|
|
TransitionNativeToVM transition(Thread::Current());
|
|
VerifyPointersVisitor::VerifyPointers();
|
|
}
|
|
NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
|
|
arguments->SetReturn(Object::Handle(Smi::New(count)));
|
|
}
|
|
|
|
void FUNCTION_NAME(StackFrame_dartFrameCount)(Dart_NativeArguments args) {
|
|
int count = 0;
|
|
DartFrameIterator frames(Thread::Current(),
|
|
StackFrameIterator::kNoCrossThreadIteration);
|
|
while (frames.NextFrame() != NULL) {
|
|
count += 1; // Count the dart frame.
|
|
}
|
|
{
|
|
TransitionNativeToVM transition(Thread::Current());
|
|
VerifyPointersVisitor::VerifyPointers();
|
|
}
|
|
NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
|
|
arguments->SetReturn(Object::Handle(Smi::New(count)));
|
|
}
|
|
|
|
void FUNCTION_NAME(StackFrame_validateFrame)(Dart_NativeArguments args) {
|
|
Thread* thread = Thread::Current();
|
|
Zone* zone = thread->zone();
|
|
|
|
Dart_Handle index = Dart_GetNativeArgument(args, 0);
|
|
Dart_Handle name = Dart_GetNativeArgument(args, 1);
|
|
const Smi& frame_index_smi = Smi::CheckedHandle(Api::UnwrapHandle(index));
|
|
const char* expected_name =
|
|
String::CheckedHandle(Api::UnwrapHandle(name)).ToCString();
|
|
int frame_index = frame_index_smi.Value();
|
|
int count = 0;
|
|
DartFrameIterator frames(Thread::Current(),
|
|
StackFrameIterator::kNoCrossThreadIteration);
|
|
StackFrame* frame = frames.NextFrame();
|
|
while (frame != NULL) {
|
|
if (count == frame_index) {
|
|
// Find the function corresponding to this frame and check if it
|
|
// matches the function name passed in.
|
|
const Function& function =
|
|
Function::Handle(zone, frame->LookupDartFunction());
|
|
if (function.IsNull()) {
|
|
FATAL("StackFrame_validateFrame fails, invalid dart frame.\n");
|
|
}
|
|
const char* name = function.ToFullyQualifiedCString();
|
|
// Currently all unit tests are loaded as being part of dart:core-lib.
|
|
String& url = String::Handle(zone, String::New(TestCase::url()));
|
|
const Library& lib =
|
|
Library::Handle(zone, Library::LookupLibrary(thread, url));
|
|
ASSERT(!lib.IsNull());
|
|
const char* lib_name = String::Handle(zone, lib.url()).ToCString();
|
|
char* full_name = OS::SCreate(zone, "%s_%s", lib_name, expected_name);
|
|
if (strcmp(full_name, name) != 0) {
|
|
FATAL("StackFrame_validateFrame fails, incorrect frame.\n");
|
|
}
|
|
return;
|
|
}
|
|
count += 1; // Count the dart frames.
|
|
frame = frames.NextFrame();
|
|
}
|
|
FATAL("StackFrame_validateFrame fails, frame count < index passed in.\n");
|
|
}
|
|
|
|
// List all native functions implemented in the vm or core boot strap dart
|
|
// libraries so that we can resolve the native function to it's entry
|
|
// point.
|
|
#define STACKFRAME_NATIVE_LIST(V) \
|
|
V(StackFrame_equals, 2) \
|
|
V(StackFrame_frameCount, 0) \
|
|
V(StackFrame_dartFrameCount, 0) \
|
|
V(StackFrame_validateFrame, 2)
|
|
|
|
static struct NativeEntries {
|
|
const char* name_;
|
|
Dart_NativeFunction function_;
|
|
int argument_count_;
|
|
} BuiltinEntries[] = {STACKFRAME_NATIVE_LIST(REGISTER_FUNCTION)};
|
|
|
|
static Dart_NativeFunction native_lookup(Dart_Handle name,
|
|
int argument_count,
|
|
bool* auto_setup_scope) {
|
|
ASSERT(auto_setup_scope != NULL);
|
|
*auto_setup_scope = false;
|
|
const Object& obj = Object::Handle(Api::UnwrapHandle(name));
|
|
ASSERT(obj.IsString());
|
|
const char* function_name = obj.ToCString();
|
|
ASSERT(function_name != NULL);
|
|
int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
|
|
for (int i = 0; i < num_entries; i++) {
|
|
struct NativeEntries* entry = &(BuiltinEntries[i]);
|
|
if (!strcmp(function_name, entry->name_) &&
|
|
(entry->argument_count_ == argument_count)) {
|
|
return reinterpret_cast<Dart_NativeFunction>(entry->function_);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
// Unit test case to verify stack frame iteration.
|
|
TEST_CASE(ValidateStackFrameIteration) {
|
|
const char* kScriptChars =
|
|
"class StackFrame {"
|
|
" static equals(var obj1, var obj2) native \"StackFrame_equals\";"
|
|
" static int frameCount() native \"StackFrame_frameCount\";"
|
|
" static int dartFrameCount() native \"StackFrame_dartFrameCount\";"
|
|
" static validateFrame(int index,"
|
|
" String name) native \"StackFrame_validateFrame\";"
|
|
"} "
|
|
"class First {"
|
|
" First() { }"
|
|
" int method1(int param) {"
|
|
" if (param == 1) {"
|
|
" param = method2(200);"
|
|
" } else {"
|
|
" param = method2(100);"
|
|
" }"
|
|
" }"
|
|
" int method2(int param) {"
|
|
" if (param == 200) {"
|
|
" First.staticmethod(this, param);"
|
|
" } else {"
|
|
" First.staticmethod(this, 10);"
|
|
" }"
|
|
" }"
|
|
" static int staticmethod(First obj, int param) {"
|
|
" if (param == 10) {"
|
|
" obj.method3(10);"
|
|
" } else {"
|
|
" obj.method3(200);"
|
|
" }"
|
|
" }"
|
|
" method3(int param) {"
|
|
" StackFrame.equals(9, StackFrame.frameCount());"
|
|
" StackFrame.equals(7, StackFrame.dartFrameCount());"
|
|
" StackFrame.validateFrame(0, \"StackFrame_validateFrame\");"
|
|
" StackFrame.validateFrame(1, \"First_method3\");"
|
|
" StackFrame.validateFrame(2, \"First_staticmethod\");"
|
|
" StackFrame.validateFrame(3, \"First_method2\");"
|
|
" StackFrame.validateFrame(4, \"First_method1\");"
|
|
" StackFrame.validateFrame(5, \"Second_method1\");"
|
|
" StackFrame.validateFrame(6, \"StackFrameTest_testMain\");"
|
|
" }"
|
|
"}"
|
|
"class Second {"
|
|
" Second() { }"
|
|
" int method1(int param) {"
|
|
" if (param == 1) {"
|
|
" param = method2(200);"
|
|
" } else {"
|
|
" First obj = new First();"
|
|
" param = obj.method1(1);"
|
|
" param = obj.method1(2);"
|
|
" }"
|
|
" }"
|
|
" int method2(int param) {"
|
|
" Second.staticmethod(this, param);"
|
|
" }"
|
|
" static int staticmethod(Second obj, int param) {"
|
|
" obj.method3(10);"
|
|
" }"
|
|
" method3(int param) {"
|
|
" StackFrame.equals(8, StackFrame.frameCount());"
|
|
" StackFrame.equals(6, StackFrame.dartFrameCount());"
|
|
" StackFrame.validateFrame(0, \"StackFrame_validateFrame\");"
|
|
" StackFrame.validateFrame(1, \"Second_method3\");"
|
|
" StackFrame.validateFrame(2, \"Second_staticmethod\");"
|
|
" StackFrame.validateFrame(3, \"Second_method2\");"
|
|
" StackFrame.validateFrame(4, \"Second_method1\");"
|
|
" StackFrame.validateFrame(5, \"StackFrameTest_testMain\");"
|
|
" }"
|
|
"}"
|
|
"class StackFrameTest {"
|
|
" static testMain() {"
|
|
" Second obj = new Second();"
|
|
" obj.method1(1);"
|
|
" obj.method1(2);"
|
|
" }"
|
|
"}";
|
|
Dart_Handle lib = TestCase::LoadTestScript(
|
|
kScriptChars, reinterpret_cast<Dart_NativeEntryResolver>(native_lookup));
|
|
Dart_Handle cls = Dart_GetClass(lib, NewString("StackFrameTest"));
|
|
EXPECT_VALID(Dart_Invoke(cls, NewString("testMain"), 0, NULL));
|
|
}
|
|
|
|
// Unit test case to verify stack frame iteration.
|
|
TEST_CASE(ValidateNoSuchMethodStackFrameIteration) {
|
|
const char* kScriptChars;
|
|
// The true stack depends on which strategy we are using for noSuchMethod. The
|
|
// stacktrace as seen by Dart is the same either way because dispatcher
|
|
// methods are marked invisible.
|
|
if (FLAG_lazy_dispatchers) {
|
|
kScriptChars =
|
|
"class StackFrame {"
|
|
" static equals(var obj1, var obj2) native \"StackFrame_equals\";"
|
|
" static int frameCount() native \"StackFrame_frameCount\";"
|
|
" static int dartFrameCount() native \"StackFrame_dartFrameCount\";"
|
|
" static validateFrame(int index,"
|
|
" String name) native "
|
|
"\"StackFrame_validateFrame\";"
|
|
"} "
|
|
"class StackFrame2Test {"
|
|
" StackFrame2Test() {}"
|
|
" noSuchMethod(Invocation im) {"
|
|
" /* We should have 6 general frames and 4 dart frames as follows:"
|
|
" * exit frame"
|
|
" * dart frame corresponding to StackFrame.frameCount"
|
|
" * dart frame corresponding to StackFrame2Test.noSuchMethod"
|
|
" * frame for instance function invocation stub calling "
|
|
"noSuchMethod"
|
|
" * dart frame corresponding to StackFrame2Test.testMain"
|
|
" * entry frame"
|
|
" */"
|
|
" StackFrame.equals(6, StackFrame.frameCount());"
|
|
" StackFrame.equals(4, StackFrame.dartFrameCount());"
|
|
" StackFrame.validateFrame(0, \"StackFrame_validateFrame\");"
|
|
" StackFrame.validateFrame(1, \"StackFrame2Test_noSuchMethod\");"
|
|
" StackFrame.validateFrame(2, \"StackFrame2Test_foo\");"
|
|
" StackFrame.validateFrame(3, \"StackFrame2Test_testMain\");"
|
|
" return 5;"
|
|
" }"
|
|
" static testMain() {"
|
|
" var obj = new StackFrame2Test();"
|
|
" StackFrame.equals(5, obj.foo(101, 202));"
|
|
" }"
|
|
"}";
|
|
} else {
|
|
kScriptChars =
|
|
"class StackFrame {"
|
|
" static equals(var obj1, var obj2) native \"StackFrame_equals\";"
|
|
" static int frameCount() native \"StackFrame_frameCount\";"
|
|
" static int dartFrameCount() native \"StackFrame_dartFrameCount\";"
|
|
" static validateFrame(int index,"
|
|
" String name) native "
|
|
"\"StackFrame_validateFrame\";"
|
|
"} "
|
|
"class StackFrame2Test {"
|
|
" StackFrame2Test() {}"
|
|
" noSuchMethod(Invocation im) {"
|
|
" /* We should have 8 general frames and 3 dart frames as follows:"
|
|
" * exit frame"
|
|
" * dart frame corresponding to StackFrame.frameCount"
|
|
" * dart frame corresponding to StackFrame2Test.noSuchMethod"
|
|
" * entry frame"
|
|
" * exit frame (call to runtime InvokeNoSuchMethodDispatcher)"
|
|
" * IC stub"
|
|
" * dart frame corresponding to StackFrame2Test.testMain"
|
|
" * entry frame"
|
|
" */"
|
|
" StackFrame.equals(8, StackFrame.frameCount());"
|
|
" StackFrame.equals(3, StackFrame.dartFrameCount());"
|
|
" StackFrame.validateFrame(0, \"StackFrame_validateFrame\");"
|
|
" StackFrame.validateFrame(1, \"StackFrame2Test_noSuchMethod\");"
|
|
" StackFrame.validateFrame(2, \"StackFrame2Test_testMain\");"
|
|
" return 5;"
|
|
" }"
|
|
" static testMain() {"
|
|
" var obj = new StackFrame2Test();"
|
|
" StackFrame.equals(5, obj.foo(101, 202));"
|
|
" }"
|
|
"}";
|
|
}
|
|
Dart_Handle lib = TestCase::LoadTestScript(
|
|
kScriptChars, reinterpret_cast<Dart_NativeEntryResolver>(native_lookup));
|
|
Dart_Handle cls = Dart_GetClass(lib, NewString("StackFrame2Test"));
|
|
EXPECT_VALID(Dart_Invoke(cls, NewString("testMain"), 0, NULL));
|
|
}
|
|
|
|
} // namespace dart
|