188 lines
6.7 KiB
C++
188 lines
6.7 KiB
C++
/* libs/pixelflinger/codeflinger/ARMAssembler.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef ANDROID_ARMASSEMBLER_H
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#define ANDROID_ARMASSEMBLER_H
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#include <stdint.h>
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#include <sys/types.h>
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#include "tinyutils/smartpointer.h"
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#include "utils/Vector.h"
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#include "utils/KeyedVector.h"
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#include "ARMAssemblerInterface.h"
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#include "CodeCache.h"
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namespace android {
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// ----------------------------------------------------------------------------
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class ARMAssembler : public ARMAssemblerInterface
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{
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public:
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explicit ARMAssembler(const sp<Assembly>& assembly);
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virtual ~ARMAssembler();
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uint32_t* base() const;
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uint32_t* pc() const;
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void disassemble(const char* name);
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// ------------------------------------------------------------------------
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// ARMAssemblerInterface...
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// ------------------------------------------------------------------------
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virtual void reset();
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virtual int generate(const char* name);
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virtual int getCodegenArch();
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virtual void prolog();
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virtual void epilog(uint32_t touched);
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virtual void comment(const char* string);
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// -----------------------------------------------------------------------
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// shifters and addressing modes
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// -----------------------------------------------------------------------
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// shifters...
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virtual bool isValidImmediate(uint32_t immed);
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virtual int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
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virtual uint32_t imm(uint32_t immediate);
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virtual uint32_t reg_imm(int Rm, int type, uint32_t shift);
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virtual uint32_t reg_rrx(int Rm);
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virtual uint32_t reg_reg(int Rm, int type, int Rs);
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// addressing modes...
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// LDR(B)/STR(B)/PLD
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// (immediate and Rm can be negative, which indicates U=0)
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virtual uint32_t immed12_pre(int32_t immed12, int W=0);
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virtual uint32_t immed12_post(int32_t immed12);
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virtual uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
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virtual uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0);
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// LDRH/LDRSB/LDRSH/STRH
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// (immediate and Rm can be negative, which indicates U=0)
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virtual uint32_t immed8_pre(int32_t immed8, int W=0);
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virtual uint32_t immed8_post(int32_t immed8);
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virtual uint32_t reg_pre(int Rm, int W=0);
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virtual uint32_t reg_post(int Rm);
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virtual void dataProcessing(int opcode, int cc, int s,
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int Rd, int Rn,
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uint32_t Op2);
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virtual void MLA(int cc, int s,
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int Rd, int Rm, int Rs, int Rn);
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virtual void MUL(int cc, int s,
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int Rd, int Rm, int Rs);
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virtual void UMULL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs);
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virtual void UMUAL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs);
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virtual void SMULL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs);
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virtual void SMUAL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs);
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virtual void B(int cc, uint32_t* pc);
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virtual void BL(int cc, uint32_t* pc);
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virtual void BX(int cc, int Rn);
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virtual void label(const char* theLabel);
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virtual void B(int cc, const char* label);
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virtual void BL(int cc, const char* label);
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virtual uint32_t* pcForLabel(const char* label);
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virtual void LDR (int cc, int Rd,
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int Rn, uint32_t offset = __immed12_pre(0));
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virtual void LDRB(int cc, int Rd,
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int Rn, uint32_t offset = __immed12_pre(0));
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virtual void STR (int cc, int Rd,
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int Rn, uint32_t offset = __immed12_pre(0));
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virtual void STRB(int cc, int Rd,
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int Rn, uint32_t offset = __immed12_pre(0));
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virtual void LDRH (int cc, int Rd,
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int Rn, uint32_t offset = __immed8_pre(0));
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virtual void LDRSB(int cc, int Rd,
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int Rn, uint32_t offset = __immed8_pre(0));
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virtual void LDRSH(int cc, int Rd,
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int Rn, uint32_t offset = __immed8_pre(0));
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virtual void STRH (int cc, int Rd,
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int Rn, uint32_t offset = __immed8_pre(0));
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virtual void LDM(int cc, int dir,
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int Rn, int W, uint32_t reg_list);
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virtual void STM(int cc, int dir,
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int Rn, int W, uint32_t reg_list);
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virtual void SWP(int cc, int Rn, int Rd, int Rm);
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virtual void SWPB(int cc, int Rn, int Rd, int Rm);
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virtual void SWI(int cc, uint32_t comment);
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virtual void PLD(int Rn, uint32_t offset);
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virtual void CLZ(int cc, int Rd, int Rm);
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virtual void QADD(int cc, int Rd, int Rm, int Rn);
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virtual void QDADD(int cc, int Rd, int Rm, int Rn);
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virtual void QSUB(int cc, int Rd, int Rm, int Rn);
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virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
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virtual void SMUL(int cc, int xy,
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int Rd, int Rm, int Rs);
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virtual void SMULW(int cc, int y,
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int Rd, int Rm, int Rs);
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virtual void SMLA(int cc, int xy,
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int Rd, int Rm, int Rs, int Rn);
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virtual void SMLAL(int cc, int xy,
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int RdHi, int RdLo, int Rs, int Rm);
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virtual void SMLAW(int cc, int y,
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int Rd, int Rm, int Rs, int Rn);
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virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
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virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
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private:
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ARMAssembler(const ARMAssembler& rhs);
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ARMAssembler& operator = (const ARMAssembler& rhs);
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sp<Assembly> mAssembly;
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uint32_t* mBase;
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uint32_t* mPC;
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uint32_t* mPrologPC;
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int64_t mDuration;
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struct branch_target_t {
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inline branch_target_t() : label(0), pc(0) { }
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inline branch_target_t(const char* l, uint32_t* p)
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: label(l), pc(p) { }
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const char* label;
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uint32_t* pc;
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};
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Vector<branch_target_t> mBranchTargets;
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KeyedVector< const char*, uint32_t* > mLabels;
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KeyedVector< uint32_t*, const char* > mLabelsInverseMapping;
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KeyedVector< uint32_t*, const char* > mComments;
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};
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}; // namespace android
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#endif //ANDROID_ARMASSEMBLER_H
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