/* libs/pixelflinger/codeflinger/ARMAssembler.h
**
** Copyright 2006, 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 ANDROID_ARMASSEMBLER_H
#define ANDROID_ARMASSEMBLER_H
#include <stdint.h>
#include <sys/types.h>
#include "tinyutils/smartpointer.h"
#include "utils/Vector.h"
#include "utils/KeyedVector.h"
#include "ARMAssemblerInterface.h"
#include "CodeCache.h"
namespace android {
// ----------------------------------------------------------------------------
class ARMAssembler : public ARMAssemblerInterface
{
public:
explicit ARMAssembler(const sp<Assembly>& assembly);
virtual ~ARMAssembler();
uint32_t* base() const;
uint32_t* pc() const;
void disassemble(const char* name);
// ------------------------------------------------------------------------
// ARMAssemblerInterface...
// ------------------------------------------------------------------------
virtual void reset();
virtual int generate(const char* name);
virtual int getCodegenArch();
virtual void prolog();
virtual void epilog(uint32_t touched);
virtual void comment(const char* string);
// -----------------------------------------------------------------------
// shifters and addressing modes
// -----------------------------------------------------------------------
// shifters...
virtual bool isValidImmediate(uint32_t immed);
virtual int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
virtual uint32_t imm(uint32_t immediate);
virtual uint32_t reg_imm(int Rm, int type, uint32_t shift);
virtual uint32_t reg_rrx(int Rm);
virtual uint32_t reg_reg(int Rm, int type, int Rs);
// addressing modes...
// LDR(B)/STR(B)/PLD
// (immediate and Rm can be negative, which indicates U=0)
virtual uint32_t immed12_pre(int32_t immed12, int W=0);
virtual uint32_t immed12_post(int32_t immed12);
virtual uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
virtual uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0);
// LDRH/LDRSB/LDRSH/STRH
// (immediate and Rm can be negative, which indicates U=0)
virtual uint32_t immed8_pre(int32_t immed8, int W=0);
virtual uint32_t immed8_post(int32_t immed8);
virtual uint32_t reg_pre(int Rm, int W=0);
virtual uint32_t reg_post(int Rm);
virtual void dataProcessing(int opcode, int cc, int s,
int Rd, int Rn,
uint32_t Op2);
virtual void MLA(int cc, int s,
int Rd, int Rm, int Rs, int Rn);
virtual void MUL(int cc, int s,
int Rd, int Rm, int Rs);
virtual void UMULL(int cc, int s,
int RdLo, int RdHi, int Rm, int Rs);
virtual void UMUAL(int cc, int s,
int RdLo, int RdHi, int Rm, int Rs);
virtual void SMULL(int cc, int s,
int RdLo, int RdHi, int Rm, int Rs);
virtual void SMUAL(int cc, int s,
int RdLo, int RdHi, int Rm, int Rs);
virtual void B(int cc, uint32_t* pc);
virtual void BL(int cc, uint32_t* pc);
virtual void BX(int cc, int Rn);
virtual void label(const char* theLabel);
virtual void B(int cc, const char* label);
virtual void BL(int cc, const char* label);
virtual uint32_t* pcForLabel(const char* label);
virtual void LDR (int cc, int Rd,
int Rn, uint32_t offset = __immed12_pre(0));
virtual void LDRB(int cc, int Rd,
int Rn, uint32_t offset = __immed12_pre(0));
virtual void STR (int cc, int Rd,
int Rn, uint32_t offset = __immed12_pre(0));
virtual void STRB(int cc, int Rd,
int Rn, uint32_t offset = __immed12_pre(0));
virtual void LDRH (int cc, int Rd,
int Rn, uint32_t offset = __immed8_pre(0));
virtual void LDRSB(int cc, int Rd,
int Rn, uint32_t offset = __immed8_pre(0));
virtual void LDRSH(int cc, int Rd,
int Rn, uint32_t offset = __immed8_pre(0));
virtual void STRH (int cc, int Rd,
int Rn, uint32_t offset = __immed8_pre(0));
virtual void LDM(int cc, int dir,
int Rn, int W, uint32_t reg_list);
virtual void STM(int cc, int dir,
int Rn, int W, uint32_t reg_list);
virtual void SWP(int cc, int Rn, int Rd, int Rm);
virtual void SWPB(int cc, int Rn, int Rd, int Rm);
virtual void SWI(int cc, uint32_t comment);
virtual void PLD(int Rn, uint32_t offset);
virtual void CLZ(int cc, int Rd, int Rm);
virtual void QADD(int cc, int Rd, int Rm, int Rn);
virtual void QDADD(int cc, int Rd, int Rm, int Rn);
virtual void QSUB(int cc, int Rd, int Rm, int Rn);
virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
virtual void SMUL(int cc, int xy,
int Rd, int Rm, int Rs);
virtual void SMULW(int cc, int y,
int Rd, int Rm, int Rs);
virtual void SMLA(int cc, int xy,
int Rd, int Rm, int Rs, int Rn);
virtual void SMLAL(int cc, int xy,
int RdHi, int RdLo, int Rs, int Rm);
virtual void SMLAW(int cc, int y,
int Rd, int Rm, int Rs, int Rn);
virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
private:
ARMAssembler(const ARMAssembler& rhs);
ARMAssembler& operator = (const ARMAssembler& rhs);
sp<Assembly> mAssembly;
uint32_t* mBase;
uint32_t* mPC;
uint32_t* mPrologPC;
int64_t mDuration;
struct branch_target_t {
inline branch_target_t() : label(0), pc(0) { }
inline branch_target_t(const char* l, uint32_t* p)
: label(l), pc(p) { }
const char* label;
uint32_t* pc;
};
Vector<branch_target_t> mBranchTargets;
KeyedVector< const char*, uint32_t* > mLabels;
KeyedVector< uint32_t*, const char* > mLabelsInverseMapping;
KeyedVector< uint32_t*, const char* > mComments;
};
}; // namespace android
#endif //ANDROID_ARMASSEMBLER_H