/* * Copyright (C) 2014 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_COMPILER_UTILS_ARM_ASSEMBLER_ARM32_H_ #define ART_COMPILER_UTILS_ARM_ASSEMBLER_ARM32_H_ #include <vector> #include "base/logging.h" #include "constants_arm.h" #include "utils/arm/managed_register_arm.h" #include "utils/arm/assembler_arm.h" #include "offsets.h" namespace art { namespace arm { class Arm32Assembler FINAL : public ArmAssembler { public: Arm32Assembler() { } virtual ~Arm32Assembler() {} bool IsThumb() const OVERRIDE { return false; } // Data-processing instructions. void and_(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void eor(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void sub(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void subs(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void rsb(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void rsbs(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void add(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void adds(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void adc(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void sbc(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void rsc(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void tst(Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void teq(Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void cmp(Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void cmn(Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void orr(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void orrs(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void mov(Register rd, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void movs(Register rd, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void bic(Register rd, Register rn, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void mvn(Register rd, const ShifterOperand& so, Condition cond = AL) OVERRIDE; void mvns(Register rd, const ShifterOperand& so, Condition cond = AL) OVERRIDE; // Miscellaneous data-processing instructions. void clz(Register rd, Register rm, Condition cond = AL) OVERRIDE; void movw(Register rd, uint16_t imm16, Condition cond = AL) OVERRIDE; void movt(Register rd, uint16_t imm16, Condition cond = AL) OVERRIDE; // Multiply instructions. void mul(Register rd, Register rn, Register rm, Condition cond = AL) OVERRIDE; void mla(Register rd, Register rn, Register rm, Register ra, Condition cond = AL) OVERRIDE; void mls(Register rd, Register rn, Register rm, Register ra, Condition cond = AL) OVERRIDE; void umull(Register rd_lo, Register rd_hi, Register rn, Register rm, Condition cond = AL) OVERRIDE; void sdiv(Register rd, Register rn, Register rm, Condition cond = AL) OVERRIDE; void udiv(Register rd, Register rn, Register rm, Condition cond = AL) OVERRIDE; // Bit field extract instructions. void sbfx(Register rd, Register rn, uint32_t lsb, uint32_t width, Condition cond = AL) OVERRIDE; void ubfx(Register rd, Register rn, uint32_t lsb, uint32_t width, Condition cond = AL) OVERRIDE; // Load/store instructions. void ldr(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void str(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void ldrb(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void strb(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void ldrh(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void strh(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void ldrsb(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void ldrsh(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void ldrd(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void strd(Register rd, const Address& ad, Condition cond = AL) OVERRIDE; void ldm(BlockAddressMode am, Register base, RegList regs, Condition cond = AL) OVERRIDE; void stm(BlockAddressMode am, Register base, RegList regs, Condition cond = AL) OVERRIDE; void ldrex(Register rd, Register rn, Condition cond = AL) OVERRIDE; void strex(Register rd, Register rt, Register rn, Condition cond = AL) OVERRIDE; void ldrexd(Register rt, Register rt2, Register rn, Condition cond = AL) OVERRIDE; void strexd(Register rd, Register rt, Register rt2, Register rn, Condition cond = AL) OVERRIDE; // Miscellaneous instructions. void clrex(Condition cond = AL) OVERRIDE; void nop(Condition cond = AL) OVERRIDE; // Note that gdb sets breakpoints using the undefined instruction 0xe7f001f0. void bkpt(uint16_t imm16) OVERRIDE; void svc(uint32_t imm24) OVERRIDE; void cbz(Register rn, Label* target) OVERRIDE; void cbnz(Register rn, Label* target) OVERRIDE; // Floating point instructions (VFPv3-D16 and VFPv3-D32 profiles). void vmovsr(SRegister sn, Register rt, Condition cond = AL) OVERRIDE; void vmovrs(Register rt, SRegister sn, Condition cond = AL) OVERRIDE; void vmovsrr(SRegister sm, Register rt, Register rt2, Condition cond = AL) OVERRIDE; void vmovrrs(Register rt, Register rt2, SRegister sm, Condition cond = AL) OVERRIDE; void vmovdrr(DRegister dm, Register rt, Register rt2, Condition cond = AL) OVERRIDE; void vmovrrd(Register rt, Register rt2, DRegister dm, Condition cond = AL) OVERRIDE; void vmovs(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vmovd(DRegister dd, DRegister dm, Condition cond = AL) OVERRIDE; // Returns false if the immediate cannot be encoded. bool vmovs(SRegister sd, float s_imm, Condition cond = AL) OVERRIDE; bool vmovd(DRegister dd, double d_imm, Condition cond = AL) OVERRIDE; void vldrs(SRegister sd, const Address& ad, Condition cond = AL) OVERRIDE; void vstrs(SRegister sd, const Address& ad, Condition cond = AL) OVERRIDE; void vldrd(DRegister dd, const Address& ad, Condition cond = AL) OVERRIDE; void vstrd(DRegister dd, const Address& ad, Condition cond = AL) OVERRIDE; void vadds(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL) OVERRIDE; void vaddd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL) OVERRIDE; void vsubs(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL) OVERRIDE; void vsubd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL) OVERRIDE; void vmuls(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL) OVERRIDE; void vmuld(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL) OVERRIDE; void vmlas(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL) OVERRIDE; void vmlad(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL) OVERRIDE; void vmlss(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL) OVERRIDE; void vmlsd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL) OVERRIDE; void vdivs(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL) OVERRIDE; void vdivd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL) OVERRIDE; void vabss(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vabsd(DRegister dd, DRegister dm, Condition cond = AL) OVERRIDE; void vnegs(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vnegd(DRegister dd, DRegister dm, Condition cond = AL) OVERRIDE; void vsqrts(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vsqrtd(DRegister dd, DRegister dm, Condition cond = AL) OVERRIDE; void vcvtsd(SRegister sd, DRegister dm, Condition cond = AL) OVERRIDE; void vcvtds(DRegister dd, SRegister sm, Condition cond = AL) OVERRIDE; void vcvtis(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vcvtid(SRegister sd, DRegister dm, Condition cond = AL) OVERRIDE; void vcvtsi(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vcvtdi(DRegister dd, SRegister sm, Condition cond = AL) OVERRIDE; void vcvtus(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vcvtud(SRegister sd, DRegister dm, Condition cond = AL) OVERRIDE; void vcvtsu(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vcvtdu(DRegister dd, SRegister sm, Condition cond = AL) OVERRIDE; void vcmps(SRegister sd, SRegister sm, Condition cond = AL) OVERRIDE; void vcmpd(DRegister dd, DRegister dm, Condition cond = AL) OVERRIDE; void vcmpsz(SRegister sd, Condition cond = AL) OVERRIDE; void vcmpdz(DRegister dd, Condition cond = AL) OVERRIDE; void vmstat(Condition cond = AL) OVERRIDE; // VMRS APSR_nzcv, FPSCR void vpushs(SRegister reg, int nregs, Condition cond = AL) OVERRIDE; void vpushd(DRegister reg, int nregs, Condition cond = AL) OVERRIDE; void vpops(SRegister reg, int nregs, Condition cond = AL) OVERRIDE; void vpopd(DRegister reg, int nregs, Condition cond = AL) OVERRIDE; // Branch instructions. void b(Label* label, Condition cond = AL); void bl(Label* label, Condition cond = AL); void blx(Register rm, Condition cond = AL) OVERRIDE; void bx(Register rm, Condition cond = AL) OVERRIDE; void Lsl(Register rd, Register rm, uint32_t shift_imm, bool setcc = false, Condition cond = AL) OVERRIDE; void Lsr(Register rd, Register rm, uint32_t shift_imm, bool setcc = false, Condition cond = AL) OVERRIDE; void Asr(Register rd, Register rm, uint32_t shift_imm, bool setcc = false, Condition cond = AL) OVERRIDE; void Ror(Register rd, Register rm, uint32_t shift_imm, bool setcc = false, Condition cond = AL) OVERRIDE; void Rrx(Register rd, Register rm, bool setcc = false, Condition cond = AL) OVERRIDE; void Lsl(Register rd, Register rm, Register rn, bool setcc = false, Condition cond = AL) OVERRIDE; void Lsr(Register rd, Register rm, Register rn, bool setcc = false, Condition cond = AL) OVERRIDE; void Asr(Register rd, Register rm, Register rn, bool setcc = false, Condition cond = AL) OVERRIDE; void Ror(Register rd, Register rm, Register rn, bool setcc = false, Condition cond = AL) OVERRIDE; void Push(Register rd, Condition cond = AL) OVERRIDE; void Pop(Register rd, Condition cond = AL) OVERRIDE; void PushList(RegList regs, Condition cond = AL) OVERRIDE; void PopList(RegList regs, Condition cond = AL) OVERRIDE; void Mov(Register rd, Register rm, Condition cond = AL) OVERRIDE; void CompareAndBranchIfZero(Register r, Label* label) OVERRIDE; void CompareAndBranchIfNonZero(Register r, Label* label) OVERRIDE; // Memory barriers. void dmb(DmbOptions flavor) OVERRIDE; // Macros. // Add signed constant value to rd. May clobber IP. void AddConstant(Register rd, int32_t value, Condition cond = AL) OVERRIDE; void AddConstant(Register rd, Register rn, int32_t value, Condition cond = AL) OVERRIDE; void AddConstantSetFlags(Register rd, Register rn, int32_t value, Condition cond = AL) OVERRIDE; // Load and Store. May clobber IP. void LoadImmediate(Register rd, int32_t value, Condition cond = AL) OVERRIDE; void MarkExceptionHandler(Label* label) OVERRIDE; void LoadFromOffset(LoadOperandType type, Register reg, Register base, int32_t offset, Condition cond = AL) OVERRIDE; void StoreToOffset(StoreOperandType type, Register reg, Register base, int32_t offset, Condition cond = AL) OVERRIDE; void LoadSFromOffset(SRegister reg, Register base, int32_t offset, Condition cond = AL) OVERRIDE; void StoreSToOffset(SRegister reg, Register base, int32_t offset, Condition cond = AL) OVERRIDE; void LoadDFromOffset(DRegister reg, Register base, int32_t offset, Condition cond = AL) OVERRIDE; void StoreDToOffset(DRegister reg, Register base, int32_t offset, Condition cond = AL) OVERRIDE; bool ShifterOperandCanHold(Register rd, Register rn, Opcode opcode, uint32_t immediate, ShifterOperand* shifter_op) OVERRIDE; static bool IsInstructionForExceptionHandling(uintptr_t pc); // Emit data (e.g. encoded instruction or immediate) to the // instruction stream. void Emit(int32_t value); void Bind(Label* label) OVERRIDE; void MemoryBarrier(ManagedRegister scratch) OVERRIDE; private: void EmitType01(Condition cond, int type, Opcode opcode, int set_cc, Register rn, Register rd, const ShifterOperand& so); void EmitType5(Condition cond, int offset, bool link); void EmitMemOp(Condition cond, bool load, bool byte, Register rd, const Address& ad); void EmitMemOpAddressMode3(Condition cond, int32_t mode, Register rd, const Address& ad); void EmitMultiMemOp(Condition cond, BlockAddressMode am, bool load, Register base, RegList regs); void EmitShiftImmediate(Condition cond, Shift opcode, Register rd, Register rm, const ShifterOperand& so); void EmitShiftRegister(Condition cond, Shift opcode, Register rd, Register rm, const ShifterOperand& so); void EmitMulOp(Condition cond, int32_t opcode, Register rd, Register rn, Register rm, Register rs); void EmitVFPsss(Condition cond, int32_t opcode, SRegister sd, SRegister sn, SRegister sm); void EmitVFPddd(Condition cond, int32_t opcode, DRegister dd, DRegister dn, DRegister dm); void EmitVFPsd(Condition cond, int32_t opcode, SRegister sd, DRegister dm); void EmitVFPds(Condition cond, int32_t opcode, DRegister dd, SRegister sm); void EmitVPushPop(uint32_t reg, int nregs, bool push, bool dbl, Condition cond); void EmitBranch(Condition cond, Label* label, bool link); static int32_t EncodeBranchOffset(int offset, int32_t inst); static int DecodeBranchOffset(int32_t inst); int32_t EncodeTstOffset(int offset, int32_t inst); int DecodeTstOffset(int32_t inst); bool ShifterOperandCanHoldArm32(uint32_t immediate, ShifterOperand* shifter_op); }; } // namespace arm } // namespace art #endif // ART_COMPILER_UTILS_ARM_ASSEMBLER_ARM32_H_