You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
2.7 KiB
103 lines
2.7 KiB
/*
|
|
* Copyright (C) 2011 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef ART_RUNTIME_ARCH_ARM_CONTEXT_ARM_H_
|
|
#define ART_RUNTIME_ARCH_ARM_CONTEXT_ARM_H_
|
|
|
|
#include <android-base/logging.h>
|
|
|
|
#include "arch/context.h"
|
|
#include "base/macros.h"
|
|
#include "registers_arm.h"
|
|
|
|
namespace art {
|
|
namespace arm {
|
|
|
|
class ArmContext final : public Context {
|
|
public:
|
|
ArmContext() {
|
|
Reset();
|
|
}
|
|
|
|
virtual ~ArmContext() {}
|
|
|
|
void Reset() override;
|
|
|
|
void FillCalleeSaves(uint8_t* frame, const QuickMethodFrameInfo& fr) override;
|
|
|
|
void SetSP(uintptr_t new_sp) override {
|
|
SetGPR(SP, new_sp);
|
|
}
|
|
|
|
void SetPC(uintptr_t new_pc) override {
|
|
SetGPR(PC, new_pc);
|
|
}
|
|
|
|
void SetNterpDexPC(uintptr_t dex_pc_ptr) override {
|
|
SetGPR(R11, dex_pc_ptr);
|
|
}
|
|
|
|
void SetArg0(uintptr_t new_arg0_value) override {
|
|
SetGPR(R0, new_arg0_value);
|
|
}
|
|
|
|
bool IsAccessibleGPR(uint32_t reg) override {
|
|
DCHECK_LT(reg, static_cast<uint32_t>(kNumberOfCoreRegisters));
|
|
return gprs_[reg] != nullptr;
|
|
}
|
|
|
|
uintptr_t* GetGPRAddress(uint32_t reg) override {
|
|
DCHECK_LT(reg, static_cast<uint32_t>(kNumberOfCoreRegisters));
|
|
return gprs_[reg];
|
|
}
|
|
|
|
uintptr_t GetGPR(uint32_t reg) override {
|
|
DCHECK_LT(reg, static_cast<uint32_t>(kNumberOfCoreRegisters));
|
|
DCHECK(IsAccessibleGPR(reg));
|
|
return *gprs_[reg];
|
|
}
|
|
|
|
void SetGPR(uint32_t reg, uintptr_t value) override;
|
|
|
|
bool IsAccessibleFPR(uint32_t reg) override {
|
|
DCHECK_LT(reg, static_cast<uint32_t>(kNumberOfSRegisters));
|
|
return fprs_[reg] != nullptr;
|
|
}
|
|
|
|
uintptr_t GetFPR(uint32_t reg) override {
|
|
DCHECK_LT(reg, static_cast<uint32_t>(kNumberOfSRegisters));
|
|
DCHECK(IsAccessibleFPR(reg));
|
|
return *fprs_[reg];
|
|
}
|
|
|
|
void SetFPR(uint32_t reg, uintptr_t value) override;
|
|
|
|
void SmashCallerSaves() override;
|
|
NO_RETURN void DoLongJump() override;
|
|
|
|
private:
|
|
// Pointers to register locations, initialized to null or the specific registers below.
|
|
uintptr_t* gprs_[kNumberOfCoreRegisters];
|
|
uint32_t* fprs_[kNumberOfSRegisters];
|
|
// Hold values for sp and pc if they are not located within a stack frame.
|
|
uintptr_t sp_, pc_, arg0_;
|
|
};
|
|
|
|
} // namespace arm
|
|
} // namespace art
|
|
|
|
#endif // ART_RUNTIME_ARCH_ARM_CONTEXT_ARM_H_
|