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Align thumb BLX immediate by discarding low bits

This commit is contained in:
reyalpchdk 2016-01-16 21:32:09 -08:00
parent 3722c74f69
commit 8b12b71cf5
1 changed files with 1 additions and 3 deletions
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4
arch/ARM/ARMInstPrinter.c
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@ -841,9 +841,7 @@ static void printOperand(MCInst *MI, unsigned OpNo, SStream *O)
imm += (int32_t)MI->address + 4; imm += (int32_t)MI->address + 4;
if (ARM_blx_to_arm_mode(MI->csh, opc)) { if (ARM_blx_to_arm_mode(MI->csh, opc)) {
// here need to align down to the nearest 4-byte address // here need to align down to the nearest 4-byte address
#define _ALIGN_DOWN(v, align_width) ((v/align_width)*align_width) imm &= ~3;
imm = _ALIGN_DOWN(imm, 4);
#undef _ALIGN_DOWN
} }
} else { } else {
imm += (int32_t)MI->address + 8; imm += (int32_t)MI->address + 8;