//===-- ARMInstPrinter.cpp - Convert ARM MCInst to assembly syntax --------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This class prints an ARM MCInst to a .s file. // //===----------------------------------------------------------------------===// /* Capstone Disassembly Engine */ /* By Nguyen Anh Quynh , 2013-2014 */ #ifdef CAPSTONE_HAS_ARM #include // DEBUG #include #include #include #include "ARMInstPrinter.h" #include "ARMAddressingModes.h" #include "ARMBaseInfo.h" #include "ARMDisassembler.h" #include "../../MCInst.h" #include "../../SStream.h" #include "../../MCRegisterInfo.h" #include "../../utils.h" #include "ARMMapping.h" #define GET_SUBTARGETINFO_ENUM #include "ARMGenSubtargetInfo.inc" static void printRegName(cs_struct *h, SStream *OS, unsigned RegNo); // Autogenerated by tblgen. static void printInstruction(MCInst *MI, SStream *O, MCRegisterInfo *MRI); static void printOperand(MCInst *MI, unsigned OpNo, SStream *O); static void printSORegRegOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printSORegImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrModeTBB(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrModeTBH(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrMode2Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printAM2PreOrOffsetIndexOp(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrMode2OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrMode3Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0); static void printAddrMode3OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printAM3PreOrOffsetIndexOp(MCInst *MI, unsigned Op, SStream *O, bool AlwaysPrintImm0); static void printPostIdxImm8Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printPostIdxRegOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printPostIdxImm8s4Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrMode5Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0); static void printAddrMode6Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrMode7Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrMode6OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printBitfieldInvMaskImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printMemBOption(MCInst *MI, unsigned OpNum, SStream *O); static void printShiftImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printPKHLSLShiftImm(MCInst *MI, unsigned OpNum, SStream *O); static void printPKHASRShiftImm(MCInst *MI, unsigned OpNum, SStream *O); static void printAdrLabelOperand(MCInst *MI, unsigned OpNum, SStream *O, unsigned); static void printThumbS4ImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbSRImm(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbITMask(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbAddrModeRROperand(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbAddrModeImm5SOperand(MCInst *MI, unsigned OpNum, SStream *O, unsigned Scale); static void printThumbAddrModeImm5S1Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbAddrModeImm5S2Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbAddrModeImm5S4Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printThumbAddrModeSPOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printT2SOOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printAddrModeImm12Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0); static void printT2AddrModeImm8Operand(MCInst *MI, unsigned OpNum, SStream *O, bool); static void printT2AddrModeImm8s4Operand(MCInst *MI, unsigned OpNum, SStream *O, bool); static void printT2AddrModeImm0_1020s4Operand(MCInst *MI, unsigned OpNum, SStream *O); static void printT2AddrModeImm8OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printT2AddrModeImm8s4OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printT2AddrModeSoRegOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printSetendOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printCPSIMod(MCInst *MI, unsigned OpNum, SStream *O); static void printCPSIFlag(MCInst *MI, unsigned OpNum, SStream *O); static void printMSRMaskOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printPredicateOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printMandatoryPredicateOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printSBitModifierOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printRegisterList(MCInst *MI, unsigned OpNum, SStream *O); static void printNoHashImmediate(MCInst *MI, unsigned OpNum, SStream *O); static void printPImmediate(MCInst *MI, unsigned OpNum, SStream *O); static void printCImmediate(MCInst *MI, unsigned OpNum, SStream *O); static void printCoprocOptionImm(MCInst *MI, unsigned OpNum, SStream *O); static void printFPImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printNEONModImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printImmPlusOneOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printRotImmOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printGPRPairOperand(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI); static void printThumbLdrLabelOperand(MCInst *MI, unsigned OpNum, SStream *O); static void printFBits16(MCInst *MI, unsigned OpNum, SStream *O); static void printFBits32(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorIndex(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListOne(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListTwo(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI); static void printVectorListTwoSpaced(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *RI); static void printVectorListThree(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListFour(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListOneAllLanes(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListTwoAllLanes(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *RI); static void printVectorListThreeAllLanes(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListFourAllLanes(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListTwoSpacedAllLanes(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI); static void printVectorListThreeSpacedAllLanes(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListFourSpacedAllLanes(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListThreeSpaced(MCInst *MI, unsigned OpNum, SStream *O); static void printVectorListFourSpaced(MCInst *MI, unsigned OpNum, SStream *O); static void printInstSyncBOption(MCInst *MI, unsigned OpNum, SStream *O); static void set_mem_access(MCInst *MI, bool status) { if (MI->csh->detail != CS_OPT_ON) return; MI->csh->doing_mem = status; if (status) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_MEM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = ARM_REG_INVALID; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = ARM_REG_INVALID; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.scale = 1; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = 0; } else { // done, create the next operand slot MI->flat_insn->detail->arm.op_count++; } } static void op_addImm(MCInst *MI, int v) { if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = v; MI->flat_insn->detail->arm.op_count++; } } #define GET_INSTRINFO_ENUM #include "ARMGenInstrInfo.inc" //#define PRINT_ALIAS_INSTR #include "ARMGenAsmWriter.inc" void ARM_getRegName(cs_struct *handle, int value) { if (value == CS_OPT_SYNTAX_NOREGNAME) { handle->get_regname = getRegisterName2; handle->reg_name = ARM_reg_name2;; } else { handle->get_regname = getRegisterName; handle->reg_name = ARM_reg_name;; } } /// translateShiftImm - Convert shift immediate from 0-31 to 1-32 for printing. /// /// getSORegOffset returns an integer from 0-31, representing '32' as 0. static unsigned translateShiftImm(unsigned imm) { // lsr #32 and asr #32 exist, but should be encoded as a 0. //assert((imm & ~0x1f) == 0 && "Invalid shift encoding"); if (imm == 0) return 32; return imm; } /// Prints the shift value with an immediate value. static void printRegImmShift(MCInst *MI, SStream *O, ARM_AM_ShiftOpc ShOpc, unsigned ShImm) { if (ShOpc == ARM_AM_no_shift || (ShOpc == ARM_AM_lsl && !ShImm)) return; SStream_concat0(O, ", "); //assert (!(ShOpc == ARM_AM_ror && !ShImm) && "Cannot have ror #0"); SStream_concat0(O, ARM_AM_getShiftOpcStr(ShOpc)); if (MI->csh->detail) { if (MI->csh->doing_mem) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.type = (arm_shifter)ShOpc; else MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = (arm_shifter)ShOpc; } if (ShOpc != ARM_AM_rrx) { SStream_concat0(O, " "); SStream_concat(O, "#%u", translateShiftImm(ShImm)); if (MI->csh->detail) { if (MI->csh->doing_mem) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.value = translateShiftImm(ShImm); else MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = translateShiftImm(ShImm); } } } static void printRegName(cs_struct *h, SStream *OS, unsigned RegNo) { #ifndef CAPSTONE_DIET SStream_concat0(OS, h->get_regname(RegNo)); #endif } static const name_map insn_update_flgs[] = { { ARM_INS_CMN, "cmn" }, { ARM_INS_CMP, "cmp" }, { ARM_INS_TEQ, "teq" }, { ARM_INS_TST, "tst" }, { ARM_INS_ADC, "adcs" }, { ARM_INS_ADD, "adds" }, { ARM_INS_AND, "ands" }, { ARM_INS_ASR, "asrs" }, { ARM_INS_BIC, "bics" }, { ARM_INS_EOR, "eors" }, { ARM_INS_LSL, "lsls" }, { ARM_INS_LSR, "lsrs" }, { ARM_INS_MLA, "mlas" }, { ARM_INS_MOV, "movs" }, { ARM_INS_MUL, "muls" }, { ARM_INS_MVN, "mvns" }, { ARM_INS_ORN, "orns" }, { ARM_INS_ORR, "orrs" }, { ARM_INS_ROR, "rors" }, { ARM_INS_RRX, "rrxs" }, { ARM_INS_RSB, "rsbs" }, { ARM_INS_RSC, "rscs" }, { ARM_INS_SBC, "sbcs" }, { ARM_INS_SMLAL, "smlals" }, { ARM_INS_SMULL, "smulls" }, { ARM_INS_SUB, "subs" }, { ARM_INS_UMLAL, "umlals" }, { ARM_INS_UMULL, "umulls" }, { ARM_INS_UADD8, "uadd8" }, }; void ARM_post_printer(csh ud, cs_insn *insn, char *insn_asm, MCInst *mci) { if (((cs_struct *)ud)->detail != CS_OPT_ON) return; // check if this insn requests write-back if (mci->writeback || (strrchr(insn_asm, '!')) != NULL) { insn->detail->arm.writeback = true; } else if (mci->csh->mode & CS_MODE_THUMB) { // handle some special instructions with writeback //printf(">> Opcode = %u\n", mci->Opcode); switch(mci->Opcode) { default: break; case ARM_t2LDC2L_PRE: case ARM_t2LDC2_PRE: case ARM_t2LDCL_PRE: case ARM_t2LDC_PRE: case ARM_t2LDRB_PRE: case ARM_t2LDRD_PRE: case ARM_t2LDRH_PRE: case ARM_t2LDRSB_PRE: case ARM_t2LDRSH_PRE: case ARM_t2LDR_PRE: case ARM_t2STC2L_PRE: case ARM_t2STC2_PRE: case ARM_t2STCL_PRE: case ARM_t2STC_PRE: case ARM_t2STRB_PRE: case ARM_t2STRD_PRE: case ARM_t2STRH_PRE: case ARM_t2STR_PRE: case ARM_t2LDC2L_POST: case ARM_t2LDC2_POST: case ARM_t2LDCL_POST: case ARM_t2LDC_POST: case ARM_t2LDRB_POST: case ARM_t2LDRD_POST: case ARM_t2LDRH_POST: case ARM_t2LDRSB_POST: case ARM_t2LDRSH_POST: case ARM_t2LDR_POST: case ARM_t2STC2L_POST: case ARM_t2STC2_POST: case ARM_t2STCL_POST: case ARM_t2STC_POST: case ARM_t2STRB_POST: case ARM_t2STRD_POST: case ARM_t2STRH_POST: case ARM_t2STR_POST: insn->detail->arm.writeback = true; break; } } else { // ARM mode // handle some special instructions with writeback //printf(">> Opcode = %u\n", mci->Opcode); switch(mci->Opcode) { default: break; case ARM_LDC2L_PRE: case ARM_LDC2_PRE: case ARM_LDCL_PRE: case ARM_LDC_PRE: case ARM_LDRD_PRE: case ARM_LDRH_PRE: case ARM_LDRSB_PRE: case ARM_LDRSH_PRE: case ARM_STC2L_PRE: case ARM_STC2_PRE: case ARM_STCL_PRE: case ARM_STC_PRE: case ARM_STRD_PRE: case ARM_STRH_PRE: case ARM_LDC2L_POST: case ARM_LDC2_POST: case ARM_LDCL_POST: case ARM_LDC_POST: case ARM_LDRBT_POST: case ARM_LDRD_POST: case ARM_LDRH_POST: case ARM_LDRSB_POST: case ARM_LDRSH_POST: case ARM_STC2L_POST: case ARM_STC2_POST: case ARM_STCL_POST: case ARM_STC_POST: case ARM_STRBT_POST: case ARM_STRD_POST: case ARM_STRH_POST: case ARM_LDRB_POST_IMM: case ARM_LDR_POST_IMM: case ARM_LDR_POST_REG: case ARM_STRB_POST_IMM: case ARM_STR_POST_IMM: insn->detail->arm.writeback = true; break; } } // check if this insn requests update flags if (insn->detail->arm.update_flags == false) { // some insn still update flags, regardless of tabgen info unsigned int i, j; for (i = 0; i < ARR_SIZE(insn_update_flgs); i++) { if (insn->id == insn_update_flgs[i].id && !strncmp(insn_asm, insn_update_flgs[i].name, strlen(insn_update_flgs[i].name))) { insn->detail->arm.update_flags = true; // we have to update regs_write array as well for (j = 0; j < ARR_SIZE(insn->detail->regs_write); j++) { if (insn->detail->regs_write[j] == 0) { insn->detail->regs_write[j] = ARM_REG_CPSR; break; } } break; } } } // instruction should not have invalid CC if (insn->detail->arm.cc == ARM_CC_INVALID) { insn->detail->arm.cc = ARM_CC_AL; } // manual fix for some special instructions // printf(">>> id: %u, mcid: %u\n", insn->id, mci->Opcode); switch(mci->Opcode) { default: break; case ARM_MOVPCLR: insn->detail->arm.operands[0].type = ARM_OP_REG; insn->detail->arm.operands[0].reg = ARM_REG_PC; insn->detail->arm.operands[1].type = ARM_OP_REG; insn->detail->arm.operands[1].reg = ARM_REG_LR; insn->detail->arm.op_count = 2; break; } } void ARM_printInst(MCInst *MI, SStream *O, void *Info) { MCRegisterInfo *MRI = (MCRegisterInfo *)Info; unsigned Opcode = MCInst_getOpcode(MI), tmp, i, pubOpcode; switch(Opcode) { // Check for HINT instructions w/ canonical names. case ARM_HINT: case ARM_tHINT: case ARM_t2HINT: switch (MCOperand_getImm(MCInst_getOperand(MI, 0))) { case 0: SStream_concat0(O, "nop"); pubOpcode = ARM_INS_NOP; break; case 1: SStream_concat0(O, "yield"); pubOpcode = ARM_INS_YIELD; break; case 2: SStream_concat0(O, "wfe"); pubOpcode = ARM_INS_WFE; break; case 3: SStream_concat0(O, "wfi"); pubOpcode = ARM_INS_WFI; break; case 4: SStream_concat0(O, "sev"); pubOpcode = ARM_INS_SEV; break; case 5: if ((ARM_getFeatureBits(MI->csh->mode) & ARM_HasV8Ops)) { SStream_concat0(O, "sevl"); pubOpcode = ARM_INS_SEVL; break; } // Fallthrough for non-v8 default: // Anything else should just print normally. printInstruction(MI, O, MRI); return; } printPredicateOperand(MI, 1, O); if (Opcode == ARM_t2HINT) SStream_concat0(O, ".w"); MCInst_setOpcodePub(MI, pubOpcode); return; // Check for MOVs and print canonical forms, instead. case ARM_MOVsr: { // FIXME: Thumb variants? MCOperand *Dst = MCInst_getOperand(MI, 0); MCOperand *MO1 = MCInst_getOperand(MI, 1); MCOperand *MO2 = MCInst_getOperand(MI, 2); MCOperand *MO3 = MCInst_getOperand(MI, 3); SStream_concat0(O, ARM_AM_getShiftOpcStr(ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO3)))); printSBitModifierOperand(MI, 6, O); printPredicateOperand(MI, 4, O); SStream_concat0(O, "\t"); printRegName(MI->csh, O, MCOperand_getReg(Dst)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(Dst); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO2); MI->flat_insn->detail->arm.op_count++; } //assert(ARM_AM_getSORegOffset(MO3.getImm()) == 0); return; } case ARM_MOVsi: { // FIXME: Thumb variants? MCOperand *Dst = MCInst_getOperand(MI, 0); MCOperand *MO1 = MCInst_getOperand(MI, 1); MCOperand *MO2 = MCInst_getOperand(MI, 2); SStream_concat0(O, ARM_AM_getShiftOpcStr(ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO2)))); printSBitModifierOperand(MI, 5, O); printPredicateOperand(MI, 3, O); SStream_concat0(O, "\t"); printRegName(MI->csh, O, MCOperand_getReg(Dst)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(Dst); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.op_count++; } if (ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO2)) == ARM_AM_rrx) { //printAnnotation(O, Annot); return; } SStream_concat0(O, ", "); tmp = translateShiftImm(getSORegOffset((unsigned int)MCOperand_getImm(MO2))); if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = (arm_shifter)ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO2)); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = tmp; } return; } // A8.6.123 PUSH case ARM_STMDB_UPD: case ARM_t2STMDB_UPD: if (MCOperand_getReg(MCInst_getOperand(MI, 0)) == ARM_SP && MCInst_getNumOperands(MI) > 5) { // Should only print PUSH if there are at least two registers in the list. SStream_concat0(O, "push"); MCInst_setOpcodePub(MI, ARM_INS_PUSH); printPredicateOperand(MI, 2, O); if (Opcode == ARM_t2STMDB_UPD) SStream_concat0(O, ".w"); SStream_concat0(O, "\t"); printRegisterList(MI, 4, O); return; } break; case ARM_STR_PRE_IMM: if (MCOperand_getReg(MCInst_getOperand(MI, 2)) == ARM_SP && MCOperand_getImm(MCInst_getOperand(MI, 3)) == -4) { SStream_concat0(O, "push"); MCInst_setOpcodePub(MI, ARM_INS_PUSH); printPredicateOperand(MI, 4, O); SStream_concat0(O, "\t{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, 1))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, 1)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); return; } break; // A8.6.122 POP case ARM_LDMIA_UPD: case ARM_t2LDMIA_UPD: if (MCOperand_getReg(MCInst_getOperand(MI, 0)) == ARM_SP && MCInst_getNumOperands(MI) > 5) { // Should only print POP if there are at least two registers in the list. SStream_concat0(O, "pop"); MCInst_setOpcodePub(MI, ARM_INS_POP); printPredicateOperand(MI, 2, O); if (Opcode == ARM_t2LDMIA_UPD) SStream_concat0(O, ".w"); SStream_concat0(O, "\t"); printRegisterList(MI, 4, O); return; } break; case ARM_LDR_POST_IMM: if (MCOperand_getReg(MCInst_getOperand(MI, 2)) == ARM_SP) { MCOperand *MO2 = MCInst_getOperand(MI, 4); if ((getAM2Op((unsigned int)MCOperand_getImm(MO2)) == ARM_AM_add && getAM2Offset((unsigned int)MCOperand_getImm(MO2)) == 4) || MCOperand_getImm(MO2) == 4) { SStream_concat0(O, "pop"); MCInst_setOpcodePub(MI, ARM_INS_POP); printPredicateOperand(MI, 5, O); SStream_concat0(O, "\t{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, 0))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, 0)); MI->flat_insn->detail->arm.op_count++; // this instruction implicitly read/write SP register MI->flat_insn->detail->regs_read[MI->flat_insn->detail->regs_read_count] = ARM_REG_SP; MI->flat_insn->detail->regs_read_count++; MI->flat_insn->detail->regs_write[MI->flat_insn->detail->regs_write_count] = ARM_REG_SP; MI->flat_insn->detail->regs_write_count++; } SStream_concat0(O, "}"); return; } } break; // A8.6.355 VPUSH case ARM_VSTMSDB_UPD: case ARM_VSTMDDB_UPD: if (MCOperand_getReg(MCInst_getOperand(MI, 0)) == ARM_SP) { SStream_concat0(O, "vpush"); MCInst_setOpcodePub(MI, ARM_INS_VPUSH); printPredicateOperand(MI, 2, O); SStream_concat0(O, "\t"); printRegisterList(MI, 4, O); return; } break; // A8.6.354 VPOP case ARM_VLDMSIA_UPD: case ARM_VLDMDIA_UPD: if (MCOperand_getReg(MCInst_getOperand(MI, 0)) == ARM_SP) { SStream_concat0(O, "vpop"); MCInst_setOpcodePub(MI, ARM_INS_VPOP); printPredicateOperand(MI, 2, O); SStream_concat0(O, "\t"); printRegisterList(MI, 4, O); return; } break; case ARM_tLDMIA: { bool Writeback = true; unsigned BaseReg = MCOperand_getReg(MCInst_getOperand(MI, 0)); unsigned i; for (i = 3; i < MCInst_getNumOperands(MI); ++i) { if (MCOperand_getReg(MCInst_getOperand(MI, i)) == BaseReg) Writeback = false; } SStream_concat0(O, "ldm"); MCInst_setOpcodePub(MI, ARM_INS_LDM); printPredicateOperand(MI, 1, O); SStream_concat0(O, "\t"); printRegName(MI->csh, O, BaseReg); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = BaseReg; MI->flat_insn->detail->arm.op_count++; } if (Writeback) { MI->writeback = true; SStream_concat0(O, "!"); } SStream_concat0(O, ", "); printRegisterList(MI, 3, O); return; } // Combine 2 GPRs from disassember into a GPRPair to match with instr def. // ldrexd/strexd require even/odd GPR pair. To enforce this constraint, // a single GPRPair reg operand is used in the .td file to replace the two // GPRs. However, when decoding them, the two GRPs cannot be automatically // expressed as a GPRPair, so we have to manually merge them. // FIXME: We would really like to be able to tablegen'erate this. case ARM_LDREXD: case ARM_STREXD: case ARM_LDAEXD: case ARM_STLEXD: { const MCRegisterClass* MRC = MCRegisterInfo_getRegClass(MRI, ARM_GPRRegClassID); bool isStore = Opcode == ARM_STREXD || Opcode == ARM_STLEXD; unsigned Reg = MCOperand_getReg(MCInst_getOperand(MI, isStore ? 1 : 0)); if (MCRegisterClass_contains(MRC, Reg)) { MCInst NewMI; MCInst_Init(&NewMI); MCInst_setOpcode(&NewMI, Opcode); if (isStore) MCInst_addOperand2(&NewMI, MCInst_getOperand(MI, 0)); MCOperand_CreateReg0(&NewMI, MCRegisterInfo_getMatchingSuperReg(MRI, Reg, ARM_gsub_0, MCRegisterInfo_getRegClass(MRI, ARM_GPRPairRegClassID))); // Copy the rest operands into NewMI. for(i = isStore ? 3 : 2; i < MCInst_getNumOperands(MI); ++i) MCInst_addOperand2(&NewMI, MCInst_getOperand(MI, i)); printInstruction(&NewMI, O, MRI); return; } } } //if (printAliasInstr(MI, O, MRI)) // printInstruction(MI, O, MRI); printInstruction(MI, O, MRI); } static void printOperand(MCInst *MI, unsigned OpNo, SStream *O) { int32_t imm; MCOperand *Op = MCInst_getOperand(MI, OpNo); if (MCOperand_isReg(Op)) { unsigned Reg = MCOperand_getReg(Op); printRegName(MI->csh, O, Reg); if (MI->csh->detail) { if (MI->csh->doing_mem) { if (MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base == ARM_REG_INVALID) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = Reg; else MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = Reg; } else { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg; MI->flat_insn->detail->arm.op_count++; } } } else if (MCOperand_isImm(Op)) { unsigned int opc = MCInst_getOpcode(MI); imm = (int32_t)MCOperand_getImm(Op); // relative branch only has relative offset, so we have to update it // to reflect absolute address. // Note: in ARM, PC is always 2 instructions ahead, so we have to // add 8 in ARM mode, or 4 in Thumb mode // printf(">> opcode: %u\n", MCInst_getOpcode(MI)); if (ARM_rel_branch(MI->csh, opc)) { uint32_t address; // only do this for relative branch if (MI->csh->mode & CS_MODE_THUMB) { address = (uint32_t)MI->address + 4; if (ARM_blx_to_arm_mode(MI->csh, opc)) { // here need to align down to the nearest 4-byte address #define _ALIGN_DOWN(v, align_width) ((v/align_width)*align_width) address = _ALIGN_DOWN(address, 4); #undef _ALIGN_DOWN } } else { address = (uint32_t)MI->address + 8; } imm += address; if (imm > HEX_THRESHOLD) SStream_concat(O, "#0x%x", imm); else SStream_concat(O, "#%u", imm); } else { switch(MI->flat_insn->id) { default: if (imm >= 0) { if (imm > HEX_THRESHOLD) SStream_concat(O, "#0x%x", imm); else SStream_concat(O, "#%u", imm); } else { if (imm < -HEX_THRESHOLD) SStream_concat(O, "#-0x%x", -imm); else SStream_concat(O, "#-%u", -imm); } break; case ARM_INS_AND: case ARM_INS_ORR: case ARM_INS_EOR: case ARM_INS_BIC: case ARM_INS_MVN: // do not print number in negative form if (imm >= 0 && imm <= HEX_THRESHOLD) SStream_concat(O, "#%u", imm); else SStream_concat(O, "#0x%x", imm); break; } } if (MI->csh->detail) { if (MI->csh->doing_mem) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = imm; else { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = imm; MI->flat_insn->detail->arm.op_count++; } } } } static void printThumbLdrLabelOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); int32_t OffImm; bool isSub; SStream_concat0(O, "[pc, "); OffImm = (int32_t)MCOperand_getImm(MO1); isSub = OffImm < 0; // Special value for #-0. All others are normal. if (OffImm == INT32_MIN) OffImm = 0; if (isSub) { SStream_concat(O, "#-0x%x", -OffImm); } else { if (OffImm > HEX_THRESHOLD) SStream_concat(O, "#0x%x", OffImm); else SStream_concat(O, "#%u", OffImm); } SStream_concat0(O, "]"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_MEM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = ARM_REG_PC; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = ARM_REG_INVALID; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.scale = 1; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = OffImm; MI->flat_insn->detail->arm.op_count++; } } // so_reg is a 4-operand unit corresponding to register forms of the A5.1 // "Addressing Mode 1 - Data-processing operands" forms. This includes: // REG 0 0 - e.g. R5 // REG REG 0,SH_OPC - e.g. R5, ROR R3 // REG 0 IMM,SH_OPC - e.g. R5, LSL #3 static void printSORegRegOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); MCOperand *MO3 = MCInst_getOperand(MI, OpNum+2); ARM_AM_ShiftOpc ShOpc; printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.type = (MCOperand_getImm(MO3) & 7) + ARM_SFT_ASR_REG - 1; MI->flat_insn->detail->arm.op_count++; } // Print the shift opc. ShOpc = ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO3)); SStream_concat0(O, ", "); SStream_concat0(O, ARM_AM_getShiftOpcStr(ShOpc)); if (ShOpc == ARM_AM_rrx) return; SStream_concat0(O, " "); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = MCOperand_getReg(MO2); //assert(ARM_AM_getSORegOffset(MO3.getImm()) == 0); } static void printSORegImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.type = MCOperand_getImm(MO2) & 7; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.value = (unsigned int)MCOperand_getImm(MO2) >> 3; MI->flat_insn->detail->arm.op_count++; } // Print the shift opc. printRegImmShift(MI, O, ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO2)), getSORegOffset((unsigned int)MCOperand_getImm(MO2))); } //===--------------------------------------------------------------------===// // Addressing Mode #2 //===--------------------------------------------------------------------===// static void printAM2PreOrOffsetIndexOp(MCInst *MI, unsigned Op, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, Op); MCOperand *MO2 = MCInst_getOperand(MI, Op + 1); MCOperand *MO3 = MCInst_getOperand(MI, Op + 2); ARM_AM_AddrOpc subtracted = getAM2Op((unsigned int)MCOperand_getImm(MO3)); SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); } if (!MCOperand_getReg(MO2)) { unsigned tmp = getAM2Offset((unsigned int)MCOperand_getImm(MO3)); if (tmp) { // Don't print +0. subtracted = getAM2Op((unsigned int)MCOperand_getImm(MO3)); SStream_concat0(O, ", "); if (tmp > HEX_THRESHOLD) SStream_concat(O, "#%s0x%x", ARM_AM_getAddrOpcStr(subtracted), tmp); else SStream_concat(O, "#%s%u", ARM_AM_getAddrOpcStr(subtracted), tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.type = (arm_shifter)getAM2Op((unsigned int)MCOperand_getImm(MO3)); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.value = tmp; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = subtracted == ARM_AM_sub; } } SStream_concat0(O, "]"); set_mem_access(MI, false); return; } SStream_concat0(O, ", "); SStream_concat0(O, ARM_AM_getAddrOpcStr(subtracted)); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = MCOperand_getReg(MO2); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = subtracted == ARM_AM_sub; } printRegImmShift(MI, O, getAM2ShiftOpc((unsigned int)MCOperand_getImm(MO3)), getAM2Offset((unsigned int)MCOperand_getImm(MO3))); SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printAddrModeTBB(MCInst *MI, unsigned Op, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, Op); MCOperand *MO2 = MCInst_getOperand(MI, Op+1); SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = MCOperand_getReg(MO2); SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printAddrModeTBH(MCInst *MI, unsigned Op, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, Op); MCOperand *MO2 = MCInst_getOperand(MI, Op+1); SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = MCOperand_getReg(MO2); SStream_concat0(O, ", lsl #1]"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.type = ARM_SFT_LSL; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].shift.value = 1; } set_mem_access(MI, false); } static void printAddrMode2Operand(MCInst *MI, unsigned Op, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, Op); if (!MCOperand_isReg(MO1)) { // FIXME: This is for CP entries, but isn't right. printOperand(MI, Op, O); return; } printAM2PreOrOffsetIndexOp(MI, Op, O); } static void printAddrMode2OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); ARM_AM_AddrOpc subtracted = getAM2Op((unsigned int)MCOperand_getImm(MO2)); if (!MCOperand_getReg(MO1)) { unsigned ImmOffs = getAM2Offset((unsigned int)MCOperand_getImm(MO2)); if (ImmOffs > HEX_THRESHOLD) SStream_concat(O, "#%s0x%x", ARM_AM_getAddrOpcStr(subtracted), ImmOffs); else SStream_concat(O, "#%s%u", ARM_AM_getAddrOpcStr(subtracted), ImmOffs); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = ImmOffs; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = subtracted == ARM_AM_sub; MI->flat_insn->detail->arm.op_count++; } return; } SStream_concat0(O, ARM_AM_getAddrOpcStr(subtracted)); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = subtracted == ARM_AM_sub; MI->flat_insn->detail->arm.op_count++; } printRegImmShift(MI, O, getAM2ShiftOpc((unsigned int)MCOperand_getImm(MO2)), getAM2Offset((unsigned int)MCOperand_getImm(MO2))); } //===--------------------------------------------------------------------===// // Addressing Mode #3 //===--------------------------------------------------------------------===// static void printAM3PreOrOffsetIndexOp(MCInst *MI, unsigned Op, SStream *O, bool AlwaysPrintImm0) { MCOperand *MO1 = MCInst_getOperand(MI, Op); MCOperand *MO2 = MCInst_getOperand(MI, Op+1); MCOperand *MO3 = MCInst_getOperand(MI, Op+2); ARM_AM_AddrOpc sign = getAM3Op((unsigned int)MCOperand_getImm(MO3)); unsigned ImmOffs; SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); if (MCOperand_getReg(MO2)) { SStream_concat0(O, ", "); SStream_concat0(O, ARM_AM_getAddrOpcStr(sign)); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = MCOperand_getReg(MO2); if (!sign) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.scale = -1; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = true; } } SStream_concat0(O, "]"); set_mem_access(MI, false); return; } //If the op is sub we have to print the immediate even if it is 0 ImmOffs = getAM3Offset((unsigned int)MCOperand_getImm(MO3)); if (AlwaysPrintImm0 || ImmOffs || (sign == ARM_AM_sub)) { if (ImmOffs > HEX_THRESHOLD) SStream_concat(O, ", #%s0x%x", ARM_AM_getAddrOpcStr(sign), ImmOffs); else SStream_concat(O, ", #%s%u", ARM_AM_getAddrOpcStr(sign), ImmOffs); } if (MI->csh->detail) { if (!sign) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = -(int)ImmOffs; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = true; } else MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = (int)ImmOffs; } SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printAddrMode3Operand(MCInst *MI, unsigned Op, SStream *O, bool AlwaysPrintImm0) { MCOperand *MO1 = MCInst_getOperand(MI, Op); if (!MCOperand_isReg(MO1)) { // For label symbolic references. printOperand(MI, Op, O); return; } printAM3PreOrOffsetIndexOp(MI, Op, O, AlwaysPrintImm0); } static void printAddrMode3OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); ARM_AM_AddrOpc subtracted = getAM3Op((unsigned int)MCOperand_getImm(MO2)); unsigned ImmOffs; if (MCOperand_getReg(MO1)) { SStream_concat0(O, ARM_AM_getAddrOpcStr(subtracted)); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = subtracted == ARM_AM_sub; MI->flat_insn->detail->arm.op_count++; } return; } ImmOffs = getAM3Offset((unsigned int)MCOperand_getImm(MO2)); if (ImmOffs > HEX_THRESHOLD) SStream_concat(O, "#%s0x%x", ARM_AM_getAddrOpcStr(subtracted), ImmOffs); else SStream_concat(O, "#%s%u", ARM_AM_getAddrOpcStr(subtracted), ImmOffs); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; if (subtracted) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = ImmOffs; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].subtracted = true; } else MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = -(int)ImmOffs; MI->flat_insn->detail->arm.op_count++; } } static void printPostIdxImm8Operand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO = MCInst_getOperand(MI, OpNum); unsigned Imm = (unsigned int)MCOperand_getImm(MO); if ((Imm & 0xff) > HEX_THRESHOLD) SStream_concat(O, "#%s0x%x", ((Imm & 256) ? "" : "-"), (Imm & 0xff)); else SStream_concat(O, "#%s%u", ((Imm & 256) ? "" : "-"), (Imm & 0xff)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = Imm & 0xff; MI->flat_insn->detail->arm.op_count++; } } static void printPostIdxRegOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); SStream_concat0(O, (MCOperand_getImm(MO2) ? "" : "-")); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.op_count++; } } static void printPostIdxImm8s4Operand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO = MCInst_getOperand(MI, OpNum); int Imm = (int)MCOperand_getImm(MO); if (((Imm & 0xff) << 2) > HEX_THRESHOLD) { SStream_concat(O, "#%s0x%x", ((Imm & 256) ? "" : "-"), ((Imm & 0xff) << 2)); } else { SStream_concat(O, "#%s%u", ((Imm & 256) ? "" : "-"), ((Imm & 0xff) << 2)); } if (MI->csh->detail) { int v = (Imm & 256) ? ((Imm & 0xff) << 2) : -((Imm & 0xff) << 2); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = v; MI->flat_insn->detail->arm.op_count++; } } static void printAddrMode5Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0) { unsigned ImmOffs; MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); ARM_AM_AddrOpc subtracted = ARM_AM_getAM5Op((unsigned int)MCOperand_getImm(MO2)); if (!MCOperand_isReg(MO1)) { // FIXME: This is for CP entries, but isn't right. printOperand(MI, OpNum, O); return; } SStream_concat0(O, "["); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_MEM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = ARM_REG_INVALID; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.scale = 1; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = 0; } ImmOffs = ARM_AM_getAM5Offset((unsigned int)MCOperand_getImm(MO2)); if (AlwaysPrintImm0 || ImmOffs || subtracted == ARM_AM_sub) { if (ImmOffs * 4 > HEX_THRESHOLD) SStream_concat(O, ", #%s0x%x", ARM_AM_getAddrOpcStr(subtracted), ImmOffs * 4); else SStream_concat(O, ", #%s%u", ARM_AM_getAddrOpcStr(subtracted), ImmOffs * 4); if (MI->csh->detail) { if (subtracted) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = ImmOffs * 4; else MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = -(int)ImmOffs * 4; } } SStream_concat0(O, "]"); if (MI->csh->detail) { MI->flat_insn->detail->arm.op_count++; } } static void printAddrMode6Operand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); unsigned tmp; SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); tmp = (unsigned int)MCOperand_getImm(MO2); if (tmp) { if (tmp << 3 > HEX_THRESHOLD) SStream_concat(O, ":0x%x", (tmp << 3)); else SStream_concat(O, ":%u", (tmp << 3)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = tmp << 3; } SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printAddrMode7Operand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printAddrMode6OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO = MCInst_getOperand(MI, OpNum); if (MCOperand_getReg(MO) == 0) { MI->writeback = true; SStream_concat0(O, "!"); } else { SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MO); MI->flat_insn->detail->arm.op_count++; } } } static void printBitfieldInvMaskImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO = MCInst_getOperand(MI, OpNum); uint32_t v = ~(uint32_t)MCOperand_getImm(MO); int32_t lsb = CountTrailingZeros_32(v); int32_t width = (32 - CountLeadingZeros_32 (v)) - lsb; //assert(MO.isImm() && "Not a valid bf_inv_mask_imm value!"); if (lsb > HEX_THRESHOLD) SStream_concat(O, "#0x%x", lsb); else SStream_concat(O, "#%u", lsb); if (width > HEX_THRESHOLD) SStream_concat(O, ", #0x%x", width); else SStream_concat(O, ", #%u", width); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = lsb; MI->flat_insn->detail->arm.op_count++; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = width; MI->flat_insn->detail->arm.op_count++; } } static void printMemBOption(MCInst *MI, unsigned OpNum, SStream *O) { unsigned val = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); SStream_concat0(O, ARM_MB_MemBOptToString(val + 1, (ARM_getFeatureBits(MI->csh->mode) & ARM_HasV8Ops) != 0)); if (MI->csh->detail) { MI->flat_insn->detail->arm.mem_barrier = (arm_mem_barrier)(val + 1); } } void printInstSyncBOption(MCInst *MI, unsigned OpNum, SStream *O) { unsigned val = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); SStream_concat0(O, ARM_ISB_InstSyncBOptToString(val)); } static void printShiftImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { unsigned ShiftOp = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); bool isASR = (ShiftOp & (1 << 5)) != 0; unsigned Amt = ShiftOp & 0x1f; if (isASR) { unsigned tmp = Amt == 0 ? 32 : Amt; if (tmp > HEX_THRESHOLD) SStream_concat(O, ", asr #0x%x", tmp); else SStream_concat(O, ", asr #%u", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = ARM_SFT_ASR; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = tmp; } } else if (Amt) { if (Amt > HEX_THRESHOLD) SStream_concat(O, ", lsl #0x%x", Amt); else SStream_concat(O, ", lsl #%u", Amt); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = ARM_SFT_LSL; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = Amt; } } } static void printPKHLSLShiftImm(MCInst *MI, unsigned OpNum, SStream *O) { unsigned Imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (Imm == 0) return; //assert(Imm > 0 && Imm < 32 && "Invalid PKH shift immediate value!"); if (Imm > HEX_THRESHOLD) SStream_concat(O, ", lsl #0x%x", Imm); else SStream_concat(O, ", lsl #%u", Imm); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = ARM_SFT_LSL; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = Imm; } } static void printPKHASRShiftImm(MCInst *MI, unsigned OpNum, SStream *O) { unsigned Imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); // A shift amount of 32 is encoded as 0. if (Imm == 0) Imm = 32; //assert(Imm > 0 && Imm <= 32 && "Invalid PKH shift immediate value!"); if (Imm > HEX_THRESHOLD) SStream_concat(O, ", asr #0x%x", Imm); else SStream_concat(O, ", asr #%u", Imm); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = ARM_SFT_ASR; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = Imm; } } // FIXME: push {r1, r2, r3, ...} can exceed the number of operands in MCInst struct static void printRegisterList(MCInst *MI, unsigned OpNum, SStream *O) { unsigned i, e; SStream_concat0(O, "{"); for (i = OpNum, e = MCInst_getNumOperands(MI); i != e; ++i) { if (i != OpNum) SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, i))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, i)); MI->flat_insn->detail->arm.op_count++; } } SStream_concat0(O, "}"); } static void printGPRPairOperand(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI) { unsigned Reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); printRegName(MI->csh, O, MCRegisterInfo_getSubReg(MRI, Reg, ARM_gsub_0)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCRegisterInfo_getSubReg(MRI, Reg, ARM_gsub_0); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCRegisterInfo_getSubReg(MRI, Reg, ARM_gsub_1)); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCRegisterInfo_getSubReg(MRI, Reg, ARM_gsub_1); MI->flat_insn->detail->arm.op_count++; } } // SETEND BE/LE static void printSetendOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *Op = MCInst_getOperand(MI, OpNum); if (MCOperand_getImm(Op)) { SStream_concat0(O, "be"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_SETEND; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].setend = ARM_SETEND_BE; MI->flat_insn->detail->arm.op_count++; } } else { SStream_concat0(O, "le"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_SETEND; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].setend = ARM_SETEND_LE; MI->flat_insn->detail->arm.op_count++; } } } static void printCPSIMod(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *Op = MCInst_getOperand(MI, OpNum); unsigned int mode = (unsigned int)MCOperand_getImm(Op); SStream_concat0(O, ARM_PROC_IModToString(mode)); if (MI->csh->detail) { MI->flat_insn->detail->arm.cps_mode = mode; } } static void printCPSIFlag(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *Op = MCInst_getOperand(MI, OpNum); unsigned IFlags = (unsigned int)MCOperand_getImm(Op); int i; for (i = 2; i >= 0; --i) if (IFlags & (1 << i)) { SStream_concat0(O, ARM_PROC_IFlagsToString(1 << i)); } if (IFlags == 0) { SStream_concat0(O, "none"); IFlags = ARM_CPSFLAG_NONE; } if (MI->csh->detail) { MI->flat_insn->detail->arm.cps_flag = IFlags; } } static void printMSRMaskOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *Op = MCInst_getOperand(MI, OpNum); unsigned SpecRegRBit = (unsigned)MCOperand_getImm(Op) >> 4; unsigned Mask = (unsigned)MCOperand_getImm(Op) & 0xf; unsigned reg; if (ARM_getFeatureBits(MI->csh->mode) & ARM_FeatureMClass) { unsigned SYSm = (unsigned)MCOperand_getImm(Op); unsigned Opcode = MCInst_getOpcode(MI); // For reads of the special registers ignore the "mask encoding" bits // which are only for writes. if (Opcode == ARM_t2MRS_M) SYSm &= 0xff; switch (SYSm) { default: //llvm_unreachable("Unexpected mask value!"); case 0: case 0x800: SStream_concat0(O, "apsr"); ARM_addSysReg(MI, ARM_SYSREG_APSR); return; // with _nzcvq bits is an alias for aspr case 0x400: SStream_concat0(O, "apsr_g"); ARM_addSysReg(MI, ARM_SYSREG_APSR_G); return; case 0xc00: SStream_concat0(O, "apsr_nzcvqg"); ARM_addSysReg(MI, ARM_SYSREG_APSR_NZCVQG); return; case 1: case 0x801: SStream_concat0(O, "iapsr"); ARM_addSysReg(MI, ARM_SYSREG_IAPSR); return; // with _nzcvq bits is an alias for iapsr case 0x401: SStream_concat0(O, "iapsr_g"); ARM_addSysReg(MI, ARM_SYSREG_IAPSR_G); return; case 0xc01: SStream_concat0(O, "iapsr_nzcvqg"); ARM_addSysReg(MI, ARM_SYSREG_IAPSR_NZCVQG); return; case 2: case 0x802: SStream_concat0(O, "eapsr"); ARM_addSysReg(MI, ARM_SYSREG_EAPSR); return; // with _nzcvq bits is an alias for eapsr case 0x402: SStream_concat0(O, "eapsr_g"); ARM_addSysReg(MI, ARM_SYSREG_EAPSR_G); return; case 0xc02: SStream_concat0(O, "eapsr_nzcvqg"); ARM_addSysReg(MI, ARM_SYSREG_EAPSR_NZCVQG); return; case 3: case 0x803: SStream_concat0(O, "xpsr"); ARM_addSysReg(MI, ARM_SYSREG_XPSR); return; // with _nzcvq bits is an alias for xpsr case 0x403: SStream_concat0(O, "xpsr_g"); ARM_addSysReg(MI, ARM_SYSREG_XPSR_G); return; case 0xc03: SStream_concat0(O, "xpsr_nzcvqg"); ARM_addSysReg(MI, ARM_SYSREG_XPSR_NZCVQG); return; case 5: case 0x805: SStream_concat0(O, "ipsr"); ARM_addSysReg(MI, ARM_SYSREG_IPSR); return; case 6: case 0x806: SStream_concat0(O, "epsr"); ARM_addSysReg(MI, ARM_SYSREG_EPSR); return; case 7: case 0x807: SStream_concat0(O, "iepsr"); ARM_addSysReg(MI, ARM_SYSREG_IEPSR); return; case 8: case 0x808: SStream_concat0(O, "msp"); ARM_addSysReg(MI, ARM_SYSREG_MSP); return; case 9: case 0x809: SStream_concat0(O, "psp"); ARM_addSysReg(MI, ARM_SYSREG_PSP); return; case 0x10: case 0x810: SStream_concat0(O, "primask"); ARM_addSysReg(MI, ARM_SYSREG_PRIMASK); return; case 0x11: case 0x811: SStream_concat0(O, "basepri"); ARM_addSysReg(MI, ARM_SYSREG_BASEPRI); return; case 0x12: case 0x812: SStream_concat0(O, "basepri_max"); ARM_addSysReg(MI, ARM_SYSREG_BASEPRI_MAX); return; case 0x13: case 0x813: SStream_concat0(O, "faultmask"); ARM_addSysReg(MI, ARM_SYSREG_FAULTMASK); return; case 0x14: case 0x814: SStream_concat0(O, "control"); ARM_addSysReg(MI, ARM_SYSREG_CONTROL); return; } } // As special cases, CPSR_f, CPSR_s and CPSR_fs prefer printing as // APSR_nzcvq, APSR_g and APSRnzcvqg, respectively. if (!SpecRegRBit && (Mask == 8 || Mask == 4 || Mask == 12)) { SStream_concat0(O, "apsr_"); switch (Mask) { default: // llvm_unreachable("Unexpected mask value!"); case 4: SStream_concat0(O, "g"); ARM_addSysReg(MI, ARM_SYSREG_APSR_G); return; case 8: SStream_concat0(O, "nzcvq"); ARM_addSysReg(MI, ARM_SYSREG_APSR_NZCVQ); return; case 12: SStream_concat0(O, "nzcvqg"); ARM_addSysReg(MI, ARM_SYSREG_APSR_NZCVQG); return; } } reg = 0; if (SpecRegRBit) { SStream_concat0(O, "spsr"); if (Mask) { SStream_concat0(O, "_"); if (Mask & 8) { SStream_concat0(O, "f"); reg += ARM_SYSREG_SPSR_F; } if (Mask & 4) { SStream_concat0(O, "s"); reg += ARM_SYSREG_SPSR_S; } if (Mask & 2) { SStream_concat0(O, "x"); reg += ARM_SYSREG_SPSR_X; } if (Mask & 1) { SStream_concat0(O, "c"); reg += ARM_SYSREG_SPSR_C; } ARM_addSysReg(MI, reg); } } else { SStream_concat0(O, "cpsr"); if (Mask) { SStream_concat0(O, "_"); if (Mask & 8) { SStream_concat0(O, "f"); reg += ARM_SYSREG_CPSR_F; } if (Mask & 4) { SStream_concat0(O, "s"); reg += ARM_SYSREG_CPSR_S; } if (Mask & 2) { SStream_concat0(O, "x"); reg += ARM_SYSREG_CPSR_X; } if (Mask & 1) { SStream_concat0(O, "c"); reg += ARM_SYSREG_CPSR_C; } ARM_addSysReg(MI, reg); } } } static void printPredicateOperand(MCInst *MI, unsigned OpNum, SStream *O) { ARMCC_CondCodes CC = (ARMCC_CondCodes)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); // Handle the undefined 15 CC value here for printing so we don't abort(). if ((unsigned)CC == 15) { SStream_concat0(O, ""); if (MI->csh->detail) MI->flat_insn->detail->arm.cc = ARM_CC_INVALID; } else { if (CC != ARMCC_AL) { SStream_concat0(O, ARMCC_ARMCondCodeToString(CC)); } if (MI->csh->detail) MI->flat_insn->detail->arm.cc = CC + 1; } } // TODO: test this static void printMandatoryPredicateOperand(MCInst *MI, unsigned OpNum, SStream *O) { ARMCC_CondCodes CC = (ARMCC_CondCodes)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); SStream_concat0(O, ARMCC_ARMCondCodeToString(CC)); if (MI->csh->detail) MI->flat_insn->detail->arm.cc = CC + 1; } static void printSBitModifierOperand(MCInst *MI, unsigned OpNum, SStream *O) { if (MCOperand_getReg(MCInst_getOperand(MI, OpNum))) { //assert(MCOperand_getReg(MCInst_getOperand(MI, OpNum)) == ARM_CPSR && // "Expect ARM CPSR register!"); SStream_concat0(O, "s"); if (MI->csh->detail) MI->flat_insn->detail->arm.update_flags = true; } } static void printNoHashImmediate(MCInst *MI, unsigned OpNum, SStream *O) { unsigned tmp = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (tmp > HEX_THRESHOLD) SStream_concat(O, "0x%x", tmp); else SStream_concat(O, "%u", tmp); if (MI->csh->detail) { if (MI->csh->doing_mem) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = tmp; } else { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = tmp; MI->flat_insn->detail->arm.op_count++; } } } static void printPImmediate(MCInst *MI, unsigned OpNum, SStream *O) { unsigned imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); SStream_concat(O, "p%u", imm); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_PIMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = imm; MI->flat_insn->detail->arm.op_count++; } } static void printCImmediate(MCInst *MI, unsigned OpNum, SStream *O) { unsigned imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); SStream_concat(O, "c%u", imm); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_CIMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = imm; MI->flat_insn->detail->arm.op_count++; } } static void printCoprocOptionImm(MCInst *MI, unsigned OpNum, SStream *O) { unsigned tmp = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (tmp > HEX_THRESHOLD) SStream_concat(O, "{0x%x}", tmp); else SStream_concat(O, "{%u}", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = tmp; MI->flat_insn->detail->arm.op_count++; } } static void printAdrLabelOperand(MCInst *MI, unsigned OpNum, SStream *O, unsigned scale) { MCOperand *MO = MCInst_getOperand(MI, OpNum); int32_t OffImm = (int32_t)MCOperand_getImm(MO) << scale; if (OffImm == INT32_MIN) { SStream_concat0(O, "#-0"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = 0; MI->flat_insn->detail->arm.op_count++; } } else { if (OffImm < 0) SStream_concat(O, "#-0x%x", -OffImm); else { if (OffImm > HEX_THRESHOLD) SStream_concat(O, "#0x%x", OffImm); else SStream_concat(O, "#%u", OffImm); } if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = OffImm; MI->flat_insn->detail->arm.op_count++; } } } static void printThumbS4ImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { unsigned tmp = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)) * 4; if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = tmp; MI->flat_insn->detail->arm.op_count++; } } static void printThumbSRImm(MCInst *MI, unsigned OpNum, SStream *O) { unsigned Imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); unsigned tmp = Imm == 0 ? 32 : Imm; if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = tmp; MI->flat_insn->detail->arm.op_count++; } } static void printThumbITMask(MCInst *MI, unsigned OpNum, SStream *O) { // (3 - the number of trailing zeros) is the number of then / else. unsigned Mask = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); unsigned Firstcond = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum-1)); unsigned CondBit0 = Firstcond & 1; unsigned NumTZ = CountTrailingZeros_32(Mask); //assert(NumTZ <= 3 && "Invalid IT mask!"); unsigned Pos, e; for (Pos = 3, e = NumTZ; Pos > e; --Pos) { bool T = ((Mask >> Pos) & 1) == CondBit0; if (T) SStream_concat0(O, "t"); else SStream_concat0(O, "e"); } } static void printThumbAddrModeRROperand(MCInst *MI, unsigned Op, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, Op); MCOperand *MO2 = MCInst_getOperand(MI, Op + 1); unsigned RegNum; if (!MCOperand_isReg(MO1)) { // FIXME: This is for CP entries, but isn't right. printOperand(MI, Op, O); return; } SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); RegNum = MCOperand_getReg(MO2); if (RegNum) { SStream_concat0(O, ", "); printRegName(MI->csh, O, RegNum); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = RegNum; } SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printThumbAddrModeImm5SOperand(MCInst *MI, unsigned Op, SStream *O, unsigned Scale) { MCOperand *MO1 = MCInst_getOperand(MI, Op); MCOperand *MO2 = MCInst_getOperand(MI, Op + 1); unsigned ImmOffs, tmp; if (!MCOperand_isReg(MO1)) { // FIXME: This is for CP entries, but isn't right. printOperand(MI, Op, O); return; } SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); ImmOffs = (unsigned int)MCOperand_getImm(MO2); if (ImmOffs) { tmp = ImmOffs * Scale; SStream_concat0(O, ", "); if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = tmp; } SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printThumbAddrModeImm5S1Operand(MCInst *MI, unsigned Op, SStream *O) { printThumbAddrModeImm5SOperand(MI, Op, O, 1); } static void printThumbAddrModeImm5S2Operand(MCInst *MI, unsigned Op, SStream *O) { printThumbAddrModeImm5SOperand(MI, Op, O, 2); } static void printThumbAddrModeImm5S4Operand(MCInst *MI, unsigned Op, SStream *O) { printThumbAddrModeImm5SOperand(MI, Op, O, 4); } static void printThumbAddrModeSPOperand(MCInst *MI, unsigned Op, SStream *O) { printThumbAddrModeImm5SOperand(MI, Op, O, 4); } // Constant shifts t2_so_reg is a 2-operand unit corresponding to the Thumb2 // register with shift forms. // REG 0 0 - e.g. R5 // REG IMM, SH_OPC - e.g. R5, LSL #3 static void printT2SOOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); unsigned Reg = MCOperand_getReg(MO1); printRegName(MI->csh, O, Reg); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg; MI->flat_insn->detail->arm.op_count++; } // Print the shift opc. //assert(MO2.isImm() && "Not a valid t2_so_reg value!"); printRegImmShift(MI, O, ARM_AM_getSORegShOp((unsigned int)MCOperand_getImm(MO2)), getSORegOffset((unsigned int)MCOperand_getImm(MO2))); } static void printAddrModeImm12Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); int32_t OffImm; bool isSub; if (!MCOperand_isReg(MO1)) { // FIXME: This is for CP entries, but isn't right. printOperand(MI, OpNum, O); return; } SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); OffImm = (int32_t)MCOperand_getImm(MO2); isSub = OffImm < 0; // Special value for #-0. All others are normal. if (OffImm == INT32_MIN) OffImm = 0; if (isSub) { if (OffImm < -HEX_THRESHOLD) SStream_concat(O, ", #-0x%x", -OffImm); else SStream_concat(O, ", #-%u", -OffImm); } else if (AlwaysPrintImm0 || OffImm > 0) { if (OffImm >= 0) { if (OffImm > HEX_THRESHOLD) SStream_concat(O, ", #0x%x", OffImm); else SStream_concat(O, ", #%u", OffImm); } else { if (OffImm < -HEX_THRESHOLD) SStream_concat(O, ", #-0x%x", -OffImm); else SStream_concat(O, ", #-%u", -OffImm); } } if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = OffImm; SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printT2AddrModeImm8Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); int32_t OffImm; bool isSub; SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); OffImm = (int32_t)MCOperand_getImm(MO2); isSub = OffImm < 0; // Don't print +0. if (OffImm == INT32_MIN) OffImm = 0; if (isSub) SStream_concat(O, ", #-0x%x", -OffImm); else if (AlwaysPrintImm0 || OffImm > 0) { if (OffImm > HEX_THRESHOLD) SStream_concat(O, ", #0x%x", OffImm); else SStream_concat(O, ", #%u", OffImm); } if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = OffImm; SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printT2AddrModeImm8s4Operand(MCInst *MI, unsigned OpNum, SStream *O, bool AlwaysPrintImm0) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); int32_t OffImm; bool isSub; if (!MCOperand_isReg(MO1)) { // For label symbolic references. printOperand(MI, OpNum, O); return; } SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); OffImm = (int32_t)MCOperand_getImm(MO2); isSub = OffImm < 0; //assert(((OffImm & 0x3) == 0) && "Not a valid immediate!"); // Don't print +0. if (OffImm == INT32_MIN) OffImm = 0; if (isSub) { SStream_concat(O, ", #-0x%x", -OffImm); } else if (AlwaysPrintImm0 || OffImm > 0) { if (OffImm > HEX_THRESHOLD) SStream_concat(O, ", #0x%x", OffImm); else SStream_concat(O, ", #%u", OffImm); } if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = OffImm; SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printT2AddrModeImm0_1020s4Operand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); unsigned tmp; SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); if (MCOperand_getImm(MO2)) { SStream_concat0(O, ", "); tmp = (unsigned int)MCOperand_getImm(MO2) * 4; if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.disp = tmp; } SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printT2AddrModeImm8OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); int32_t OffImm = (int32_t)MCOperand_getImm(MO1); SStream_concat0(O, ", "); if (OffImm == INT32_MIN) { SStream_concat0(O, "#-0"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = 0; MI->flat_insn->detail->arm.op_count++; } } else { if (OffImm < 0) { if (OffImm < -HEX_THRESHOLD) SStream_concat(O, "#-0x%x", -OffImm); else SStream_concat(O, "#-%u", -OffImm); } else { if (OffImm > HEX_THRESHOLD) SStream_concat(O, "#0x%x", OffImm); else SStream_concat(O, "#%u", OffImm); } if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = OffImm; MI->flat_insn->detail->arm.op_count++; } } } static void printT2AddrModeImm8s4OffsetOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); int32_t OffImm = (int32_t)MCOperand_getImm(MO1); //assert(((OffImm & 0x3) == 0) && "Not a valid immediate!"); SStream_concat0(O, ", "); if (OffImm == INT32_MIN) { SStream_concat0(O, "#-0"); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = 0; MI->flat_insn->detail->arm.op_count++; } } else { if (OffImm < 0) { if (OffImm < -HEX_THRESHOLD) SStream_concat(O, "#-0x%x", -OffImm); else SStream_concat(O, "#-%u", -OffImm); } else { if (OffImm > HEX_THRESHOLD) SStream_concat(O, "#0x%x", OffImm); else SStream_concat(O, "#%u", OffImm); } if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = OffImm; MI->flat_insn->detail->arm.op_count++; } } } static void printT2AddrModeSoRegOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO1 = MCInst_getOperand(MI, OpNum); MCOperand *MO2 = MCInst_getOperand(MI, OpNum+1); MCOperand *MO3 = MCInst_getOperand(MI, OpNum+2); unsigned ShAmt; SStream_concat0(O, "["); set_mem_access(MI, true); printRegName(MI->csh, O, MCOperand_getReg(MO1)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.base = MCOperand_getReg(MO1); //assert(MCOperand_getReg(MO2.getReg() && "Invalid so_reg load / store address!"); SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MO2)); if (MI->csh->detail) MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].mem.index = MCOperand_getReg(MO2); ShAmt = (unsigned int)MCOperand_getImm(MO3); if (ShAmt) { //assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!"); SStream_concat0(O, ", lsl "); SStream_concat(O, "#%d", ShAmt); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = ARM_SFT_LSL; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = ShAmt; } } SStream_concat0(O, "]"); set_mem_access(MI, false); } static void printFPImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { MCOperand *MO = MCInst_getOperand(MI, OpNum); #if defined(_KERNEL_MODE) // Issue #681: Windows kernel does not support formatting float point SStream_concat(O, "#"); #else SStream_concat(O, "#%e", getFPImmFloat((unsigned int)MCOperand_getImm(MO))); #endif if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_FP; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].fp = getFPImmFloat((unsigned int)MCOperand_getImm(MO)); MI->flat_insn->detail->arm.op_count++; } } static void printNEONModImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { unsigned EncodedImm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); unsigned EltBits; uint64_t Val = ARM_AM_decodeNEONModImm(EncodedImm, &EltBits); if (Val > HEX_THRESHOLD) SStream_concat(O, "#0x%"PRIx64, Val); else SStream_concat(O, "#%"PRIu64, Val); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = (unsigned int)Val; MI->flat_insn->detail->arm.op_count++; } } static void printImmPlusOneOperand(MCInst *MI, unsigned OpNum, SStream *O) { unsigned Imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (Imm + 1 > HEX_THRESHOLD) SStream_concat(O, "#0x%x", Imm + 1); else SStream_concat(O, "#%u", Imm + 1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = Imm + 1; MI->flat_insn->detail->arm.op_count++; } } static void printRotImmOperand(MCInst *MI, unsigned OpNum, SStream *O) { unsigned Imm = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (Imm == 0) return; SStream_concat0(O, ", ror #"); switch (Imm) { default: //assert (0 && "illegal ror immediate!"); case 1: SStream_concat0(O, "8"); break; case 2: SStream_concat0(O, "16"); break; case 3: SStream_concat0(O, "24"); break; } if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.type = ARM_SFT_ROR; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].shift.value = Imm * 8; } } static void printFBits16(MCInst *MI, unsigned OpNum, SStream *O) { unsigned tmp; tmp = 16 - (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = tmp; MI->flat_insn->detail->arm.op_count++; } } static void printFBits32(MCInst *MI, unsigned OpNum, SStream *O) { unsigned tmp; tmp = 32 - (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (tmp > HEX_THRESHOLD) SStream_concat(O, "#0x%x", tmp); else SStream_concat(O, "#%u", tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_IMM; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].imm = tmp; MI->flat_insn->detail->arm.op_count++; } } static void printVectorIndex(MCInst *MI, unsigned OpNum, SStream *O) { unsigned tmp = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum)); if (tmp > HEX_THRESHOLD) SStream_concat(O, "[0x%x]",tmp); else SStream_concat(O, "[%u]",tmp); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count - 1].vector_index = tmp; } } static void printVectorListOne(MCInst *MI, unsigned OpNum, SStream *O) { SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } static void printVectorListTwo(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI) { unsigned Reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); unsigned Reg0 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_0); unsigned Reg1 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_1); SStream_concat0(O, "{"); printRegName(MI->csh, O, Reg0); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg0; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, Reg1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } static void printVectorListTwoSpaced(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI) { unsigned Reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); unsigned Reg0 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_0); unsigned Reg1 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_2); SStream_concat0(O, "{"); printRegName(MI->csh, O, Reg0); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg0; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, Reg1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } static void printVectorListThree(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } static void printVectorListFour(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 3); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 3; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } static void printVectorListOneAllLanes(MCInst *MI, unsigned OpNum, SStream *O) { SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListTwoAllLanes(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI) { unsigned Reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); unsigned Reg0 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_0); unsigned Reg1 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_1); SStream_concat0(O, "{"); printRegName(MI->csh, O, Reg0); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg0; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, Reg1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListThreeAllLanes(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListFourAllLanes(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 3); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 3; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListTwoSpacedAllLanes(MCInst *MI, unsigned OpNum, SStream *O, MCRegisterInfo *MRI) { unsigned Reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); unsigned Reg0 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_0); unsigned Reg1 = MCRegisterInfo_getSubReg(MRI, Reg, ARM_dsub_2); SStream_concat0(O, "{"); printRegName(MI->csh, O, Reg0); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg0; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, Reg1); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = Reg1; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListThreeSpacedAllLanes(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListFourSpacedAllLanes(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[], "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 6); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 6; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "[]}"); } static void printVectorListThreeSpaced(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } static void printVectorListFourSpaced(MCInst *MI, unsigned OpNum, SStream *O) { // Normally, it's not safe to use register enum values directly with // addition to get the next register, but for VFP registers, the // sort order is guaranteed because they're all of the form D. SStream_concat0(O, "{"); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum))); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)); MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 2; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 4; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, ", "); printRegName(MI->csh, O, MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 6); if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = MCOperand_getReg(MCInst_getOperand(MI, OpNum)) + 6; MI->flat_insn->detail->arm.op_count++; } SStream_concat0(O, "}"); } void ARM_addVectorDataType(MCInst *MI, arm_vectordata_type vd) { if (MI->csh->detail) { MI->flat_insn->detail->arm.vector_data = vd; } } void ARM_addVectorDataSize(MCInst *MI, int size) { if (MI->csh->detail) { MI->flat_insn->detail->arm.vector_size = size; } } void ARM_addReg(MCInst *MI, int reg) { if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_REG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = reg; MI->flat_insn->detail->arm.op_count++; } } void ARM_addUserMode(MCInst *MI) { if (MI->csh->detail) { MI->flat_insn->detail->arm.usermode = true; } } void ARM_addSysReg(MCInst *MI, arm_sysreg reg) { if (MI->csh->detail) { MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].type = ARM_OP_SYSREG; MI->flat_insn->detail->arm.operands[MI->flat_insn->detail->arm.op_count].reg = reg; MI->flat_insn->detail->arm.op_count++; } } #endif