mirror of
https://github.com/dart-lang/sdk
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7d624bccd0
This reverts commit 6efb75b22f.
This is a speculative revert to try to make the tests green.
R=ahe@google.com
BUG=
Review-Url: https://codereview.chromium.org/2743903002 .
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM.
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#if defined(TARGET_ARCH_ARM)
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#include "vm/code_patcher.h"
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#include "vm/flow_graph_compiler.h"
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#include "vm/instructions.h"
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#include "vm/object.h"
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namespace dart {
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RawCode* CodePatcher::GetStaticCallTargetAt(uword return_address,
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const Code& code) {
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ASSERT(code.ContainsInstructionAt(return_address));
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CallPattern call(return_address, code);
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return call.TargetCode();
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}
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void CodePatcher::PatchStaticCallAt(uword return_address,
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const Code& code,
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const Code& new_target) {
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ASSERT(code.ContainsInstructionAt(return_address));
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CallPattern call(return_address, code);
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call.SetTargetCode(new_target);
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}
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void CodePatcher::InsertDeoptimizationCallAt(uword start) {
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UNREACHABLE();
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}
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RawCode* CodePatcher::GetInstanceCallAt(uword return_address,
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const Code& code,
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ICData* ic_data) {
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ASSERT(code.ContainsInstructionAt(return_address));
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CallPattern call(return_address, code);
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if (ic_data != NULL) {
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*ic_data = call.IcData();
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}
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return call.TargetCode();
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}
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intptr_t CodePatcher::InstanceCallSizeInBytes() {
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// The instance call instruction sequence has a variable size on ARM.
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UNREACHABLE();
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return 0;
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}
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RawFunction* CodePatcher::GetUnoptimizedStaticCallAt(uword return_address,
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const Code& code,
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ICData* ic_data_result) {
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ASSERT(code.ContainsInstructionAt(return_address));
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CallPattern static_call(return_address, code);
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ICData& ic_data = ICData::Handle();
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ic_data ^= static_call.IcData();
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if (ic_data_result != NULL) {
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*ic_data_result = ic_data.raw();
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}
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return ic_data.GetTargetAt(0);
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}
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void CodePatcher::PatchSwitchableCallAt(uword return_address,
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const Code& caller_code,
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const Object& data,
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const Code& target) {
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ASSERT(caller_code.ContainsInstructionAt(return_address));
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SwitchableCallPattern call(return_address, caller_code);
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call.SetData(data);
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call.SetTarget(target);
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}
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RawCode* CodePatcher::GetSwitchableCallTargetAt(uword return_address,
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const Code& caller_code) {
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ASSERT(caller_code.ContainsInstructionAt(return_address));
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SwitchableCallPattern call(return_address, caller_code);
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return call.target();
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}
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RawObject* CodePatcher::GetSwitchableCallDataAt(uword return_address,
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const Code& caller_code) {
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ASSERT(caller_code.ContainsInstructionAt(return_address));
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SwitchableCallPattern call(return_address, caller_code);
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return call.data();
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}
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void CodePatcher::PatchNativeCallAt(uword return_address,
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const Code& code,
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NativeFunction target,
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const Code& trampoline) {
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ASSERT(code.ContainsInstructionAt(return_address));
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NativeCallPattern call(return_address, code);
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call.set_target(trampoline);
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call.set_native_function(target);
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}
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RawCode* CodePatcher::GetNativeCallAt(uword return_address,
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const Code& code,
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NativeFunction* target) {
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ASSERT(code.ContainsInstructionAt(return_address));
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NativeCallPattern call(return_address, code);
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*target = call.native_function();
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return call.target();
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_ARM
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