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// Copyright (c) 2016, 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/globals.h" // Needed here to get TARGET_ARCH_DBC.
#if defined(TARGET_ARCH_DBC)
#include "vm/code_patcher.h"
#include "vm/compiler/backend/flow_graph_compiler.h"
#include "vm/instructions.h"
#include "vm/object.h"
namespace dart {
RawCode* CodePatcher::GetStaticCallTargetAt(uword return_address,
const Code& code) {
ASSERT(code.ContainsInstructionAt(return_address));
CallPattern call(return_address, code);
return call.TargetCode();
}
void CodePatcher::PatchStaticCallAt(uword return_address,
const Code& code,
const Code& new_target) {
ASSERT(code.ContainsInstructionAt(return_address));
CallPattern call(return_address, code);
call.SetTargetCode(new_target);
}
void CodePatcher::InsertDeoptimizationCallAt(uword start) {
CallPattern::InsertDeoptCallAt(start);
}
RawCode* CodePatcher::GetInstanceCallAt(uword return_address,
const Code& code,
ICData* ic_data) {
ASSERT(code.ContainsInstructionAt(return_address));
CallPattern call(return_address, code);
if (ic_data != NULL) {
*ic_data = call.IcData();
}
return call.TargetCode();
}
RawFunction* CodePatcher::GetUnoptimizedStaticCallAt(uword return_address,
const Code& code,
ICData* ic_data_result) {
ASSERT(code.ContainsInstructionAt(return_address));
CallPattern static_call(return_address, code);
ICData& ic_data = ICData::Handle();
ic_data ^= static_call.IcData();
if (ic_data_result != NULL) {
*ic_data_result = ic_data.raw();
}
return ic_data.GetTargetAt(0);
}
void CodePatcher::PatchSwitchableCallAt(uword return_address,
const Code& caller_code,
const Object& data,
const Code& target) {
ASSERT(caller_code.ContainsInstructionAt(return_address));
SwitchableCallPattern call(return_address, caller_code);
call.SetData(data);
call.SetTarget(target);
}
RawCode* CodePatcher::GetSwitchableCallTargetAt(uword return_address,
const Code& caller_code) {
ASSERT(caller_code.ContainsInstructionAt(return_address));
SwitchableCallPattern call(return_address, caller_code);
return call.target();
}
RawObject* CodePatcher::GetSwitchableCallDataAt(uword return_address,
const Code& caller_code) {
ASSERT(caller_code.ContainsInstructionAt(return_address));
SwitchableCallPattern call(return_address, caller_code);
return call.data();
}
void CodePatcher::PatchNativeCallAt(uword return_address,
const Code& code,
NativeFunction target,
NativeFunctionWrapper trampoline) {
ASSERT(code.ContainsInstructionAt(return_address));
NativeCallPattern call(return_address, code);
call.set_target(trampoline);
call.set_native_function(target);
}
NativeFunctionWrapper CodePatcher::GetNativeCallAt(uword return_address,
const Code& code,
NativeFunction* target) {
ASSERT(code.ContainsInstructionAt(return_address));
NativeCallPattern call(return_address, code);
*target = call.native_function();
return call.target();
}
} // namespace dart
#endif // defined TARGET_ARCH_DBC