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[ARM] Return first the system register name then the banked one #2116

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Jul 23, 2023
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[ARM] Return first the system register name then the banked one #2116

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13 changes: 8 additions & 5 deletions arch/ARM/ARMMapping.c
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Original file line number Diff line number Diff line change
Expand Up @@ -51,15 +51,18 @@ const char *ARM_reg_name(csh handle, unsigned int reg)
return alias;

if (reg == ARM_REG_INVALID || reg >= ARM_REG_ENDING) {
// This might be a system register encoding.
const ARMBankedReg_BankedReg *banked_reg =
ARMBankedReg_lookupBankedRegByEncoding(reg);
if (banked_reg)
return banked_reg->Name;
// This might be a system register or banked register encoding.
// Note: The system and banked register encodings can overlap.
// So this might return a system register name although a
// banked register name is expected.
const ARMSysReg_MClassSysReg *sys_reg =
ARMSysReg_lookupMClassSysRegByEncoding(reg);
if (sys_reg)
return sys_reg->Name;
const ARMBankedReg_BankedReg *banked_reg =
ARMBankedReg_lookupBankedRegByEncoding(reg);
if (banked_reg)
return banked_reg->Name;
}

if (syntax_opt & CS_OPT_SYNTAX_NOREGNAME) {
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2 changes: 1 addition & 1 deletion cstool/cstool_arm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ void print_insn_detail_arm(csh handle, cs_insn *ins)
printf("\t\toperands[%u].type: SETEND = %s\n", i, op->setend == ARM_SETEND_BE? "be" : "le");
break;
case ARM_OP_SYSREG:
printf("\t\toperands[%u].type: SYSREG = %u\n", i, op->reg);
printf("\t\toperands[%u].type: SYSREG = %s\n", i, cs_reg_name(handle, op->reg));
break;
}

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