| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| #include "Dalvik.h" |
| #include "compiler/CompilerInternals.h" |
| |
| #ifndef _DALVIK_VM_COMPILER_CODEGEN_ARMV5TE_H |
| #define _DALVIK_VM_COMPILER_CODEGEN_ARMV5TE_H |
| |
| /* |
| * r0, r1, r2, r3, and r7 are always scratch |
| * r4PC is scratch if used solely in the compiled land. Otherwise it holds the |
| * Dalvik PC. |
| * rFP holds the current frame pointer |
| * rGLUE holds &InterpState |
| */ |
| typedef enum NativeRegisterPool { |
| r0 = 0, |
| r1 = 1, |
| r2 = 2, |
| r3 = 3, |
| r4PC = 4, |
| rFP = 5, |
| rGLUE = 6, |
| r7 = 7, |
| } NativeRegisterPool; |
| |
| /* Thumb condition encodings */ |
| typedef enum Armv5teConditionCode { |
| ARM_COND_EQ = 0x0, /* 0000 */ |
| ARM_COND_NE = 0x1, /* 0001 */ |
| ARM_COND_LT = 0xb, /* 1011 */ |
| ARM_COND_GE = 0xa, /* 1010 */ |
| ARM_COND_GT = 0xc, /* 1100 */ |
| ARM_COND_LE = 0xd, /* 1101 */ |
| ARM_COND_CS = 0x2, /* 0010 */ |
| ARM_COND_MI = 0x4, /* 0100 */ |
| } Armv5teConditionCode; |
| |
| #define isPseudoOpCode(opCode) ((int)(opCode) < 0) |
| |
| /* |
| * The following enum defines the list of supported Thumb instructions by the |
| * assembler. Their corresponding snippet positions will be defined in |
| * Assemble.c. |
| */ |
| typedef enum Armv5teOpCode { |
| ARMV5TE_PSEUDO_TARGET_LABEL = -10, |
| ARMV5TE_PSEUDO_CHAINING_CELL_POST_INVOKE = -9, |
| ARMV5TE_PSEUDO_CHAINING_CELL_INVOKE = -8, |
| ARMV5TE_PSEUDO_CHAINING_CELL_GENERIC = -7, |
| ARMV5TE_PSEUDO_DALVIK_BYTECODE_BOUNDARY = -6, |
| ARMV5TE_PSEUDO_ALIGN4 = -5, |
| ARMV5TE_PSEUDO_PC_RECONSTRUCTION_CELL = -4, |
| ARMV5TE_PSEUDO_PC_RECONSTRUCTION_BLOCK_LABEL = -3, |
| ARMV5TE_PSEUDO_EH_BLOCK_LABEL = -2, |
| ARMV5TE_PSEUDO_NORMAL_BLOCK_LABEL = -1, |
| /************************************************************************/ |
| ARMV5TE_16BIT_DATA, /* DATA [0] rd[15..0] */ |
| ARMV5TE_ADC, /* adc [0100000101] rm[5..3] rd[2..0] */ |
| ARMV5TE_ADD_RRI3, /* add(1) [0001110] imm_3[8..6] rn[5..3] rd[2..0]*/ |
| ARMV5TE_ADD_RI8, /* add(2) [00110] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_ADD_RRR, /* add(3) [0001100] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_ADD_RR_LH, /* add(4) [01000100] H12[01] rm[5..3] rd[2..0] */ |
| ARMV5TE_ADD_RR_HL, /* add(4) [01001000] H12[10] rm[5..3] rd[2..0] */ |
| ARMV5TE_ADD_RR_HH, /* add(4) [01001100] H12[11] rm[5..3] rd[2..0] */ |
| ARMV5TE_ADD_PC_REL, /* add(5) [10100] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_ADD_SP_REL, /* add(6) [10101] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_ADD_SPI7, /* add(7) [101100000] imm_7[6..0] */ |
| ARMV5TE_AND_RR, /* and [0100000000] rm[5..3] rd[2..0] */ |
| ARMV5TE_ASR, /* asr(1) [00010] imm_5[10..6] rm[5..3] rd[2..0] */ |
| ARMV5TE_ASRV, /* asr(2) [0100000100] rs[5..3] rd[2..0] */ |
| ARMV5TE_B_COND, /* b(1) [1101] cond[11..8] offset_8[7..0] */ |
| ARMV5TE_B_UNCOND, /* b(2) [11100] offset_11[10..0] */ |
| ARMV5TE_BIC, /* bic [0100001110] rm[5..3] rd[2..0] */ |
| ARMV5TE_BKPT, /* bkpt [10111110] imm_8[7..0] */ |
| ARMV5TE_BLX_1, /* blx(1) [111] H[10] offset_11[10..0] */ |
| ARMV5TE_BLX_2, /* blx(1) [111] H[01] offset_11[10..0] */ |
| ARMV5TE_BL_1, /* blx(1) [111] H[10] offset_11[10..0] */ |
| ARMV5TE_BL_2, /* blx(1) [111] H[11] offset_11[10..0] */ |
| ARMV5TE_BLX_R, /* blx(2) [010001111] H2[6..6] rm[5..3] SBZ[000] */ |
| ARMV5TE_BX, /* bx [010001110] H2[6..6] rm[5..3] SBZ[000] */ |
| ARMV5TE_CMN, /* cmn [0100001011] rm[5..3] rd[2..0] */ |
| ARMV5TE_CMP_RI8, /* cmp(1) [00101] rn[10..8] imm_8[7..0] */ |
| ARMV5TE_CMP_RR, /* cmp(2) [0100001010] rm[5..3] rd[2..0] */ |
| ARMV5TE_CMP_LH, /* cmp(3) [01000101] H12[01] rm[5..3] rd[2..0] */ |
| ARMV5TE_CMP_HL, /* cmp(3) [01000110] H12[10] rm[5..3] rd[2..0] */ |
| ARMV5TE_CMP_HH, /* cmp(3) [01000111] H12[11] rm[5..3] rd[2..0] */ |
| ARMV5TE_EOR, /* eor [0100000001] rm[5..3] rd[2..0] */ |
| ARMV5TE_LDMIA, /* ldmia [11001] rn[10..8] reglist [7..0] */ |
| ARMV5TE_LDR_RRI5, /* ldr(1) [01101] imm_5[10..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDR_RRR, /* ldr(2) [0101100] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDR_PC_REL, /* ldr(3) [01001] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_LDR_SP_REL, /* ldr(4) [10011] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_LDRB_RRI5, /* ldrb(1) [01111] imm_5[10..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDRB_RRR, /* ldrb(2) [0101110] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDRH_RRI5, /* ldrh(1) [10001] imm_5[10..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDRH_RRR, /* ldrh(2) [0101101] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDRSB_RRR, /* ldrsb [0101011] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LDRSH_RRR, /* ldrsh [0101111] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_LSL, /* lsl(1) [00000] imm_5[10..6] rm[5..3] rd[2..0] */ |
| ARMV5TE_LSLV, /* lsl(2) [0100000010] rs[5..3] rd[2..0] */ |
| ARMV5TE_LSR, /* lsr(1) [00001] imm_5[10..6] rm[5..3] rd[2..0] */ |
| ARMV5TE_LSRV, /* lsr(2) [0100000011] rs[5..3] rd[2..0] */ |
| ARMV5TE_MOV_IMM, /* mov(1) [00100] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_MOV_RR, /* mov(2) [0001110000] rn[5..3] rd[2..0] */ |
| ARMV5TE_MOV_RR_HL, /* mov(3) [01000110] H12[10] rm[5..3] rd[2..0] */ |
| ARMV5TE_MOV_RR_LH, /* mov(3) [01000101] H12[01] rm[5..3] rd[2..0] */ |
| ARMV5TE_MOV_RR_HH, /* mov(3) [01000111] H12[11] rm[5..3] rd[2..0] */ |
| ARMV5TE_MUL, /* mul [0100001101] rm[5..3] rd[2..0] */ |
| ARMV5TE_MVN, /* mvn [0100001111] rm[5..3] rd[2..0] */ |
| ARMV5TE_NEG, /* neg [0100001001] rm[5..3] rd[2..0] */ |
| ARMV5TE_ORR, /* orr [0100001100] rm[5..3] rd[2..0] */ |
| ARMV5TE_POP, /* pop [1011110] r[8..8] rl[7..0] */ |
| ARMV5TE_PUSH, /* push [1011010] r[8..8] rl[7..0] */ |
| ARMV5TE_ROR, /* ror [0100000111] rs[5..3] rd[2..0] */ |
| ARMV5TE_SBC, /* sbc [0100000110] rm[5..3] rd[2..0] */ |
| ARMV5TE_STMIA, /* stmia [11000] rn[10..8] reglist [7.. 0] */ |
| ARMV5TE_STR_RRI5, /* str(1) [01100] imm_5[10..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_STR_RRR, /* str(2) [0101000] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_STR_SP_REL, /* str(3) [10010] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_STRB_RRI5, /* strb(1) [01110] imm_5[10..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_STRB_RRR, /* strb(2) [0101010] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_STRH_RRI5, /* strh(1) [10000] imm_5[10..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_STRH_RRR, /* strh(2) [0101001] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_SUB_RRI3, /* sub(1) [0001111] imm_3[8..6] rn[5..3] rd[2..0]*/ |
| ARMV5TE_SUB_RI8, /* sub(2) [00111] rd[10..8] imm_8[7..0] */ |
| ARMV5TE_SUB_RRR, /* sub(3) [0001101] rm[8..6] rn[5..3] rd[2..0] */ |
| ARMV5TE_SUB_SPI7, /* sub(4) [101100001] imm_7[6..0] */ |
| ARMV5TE_SWI, /* swi [11011111] imm_8[7..0] */ |
| ARMV5TE_TST, /* tst [0100001000] rm[5..3] rn[2..0] */ |
| ARMV5TE_LAST, |
| } Armv5teOpCode; |
| |
| /* Struct used to define the snippet posotions for each Thumb opcode */ |
| typedef struct Armv5teEncodingMap { |
| short skeleton; |
| struct { |
| int end; |
| int start; |
| } fieldLoc[3]; |
| Armv5teOpCode opCode; |
| int operands; |
| char *name; |
| char* fmt; |
| } Armv5teEncodingMap; |
| |
| extern Armv5teEncodingMap EncodingMap[ARMV5TE_LAST]; |
| |
| /* |
| * Each instance of this struct holds a pseudo or real LIR instruction: |
| * - pesudo ones (eg labels and marks) and will be discarded by the assembler. |
| * - real ones will e assembled into Thumb instructions. |
| */ |
| typedef struct Armv5teLIR { |
| LIR generic; |
| Armv5teOpCode opCode; |
| int operands[3]; /* dest, src1, src2 */ |
| } Armv5teLIR; |
| |
| /* Utility macros to traverse the LIR/Armv5teLIR list */ |
| #define NEXT_LIR(lir) ((Armv5teLIR *) lir->generic.next) |
| #define PREV_LIR(lir) ((Armv5teLIR *) lir->generic.prev) |
| |
| #define NEXT_LIR_LVALUE(lir) (lir)->generic.next |
| #define PREV_LIR_LVALUE(lir) (lir)->generic.prev |
| |
| #endif /* _DALVIK_VM_COMPILER_CODEGEN_ARMV5TE_H */ |