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x86: print -0x8000000000000000 as 0x8000000000000000. this fixes issue #499

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This commit is contained in:
Nguyen Anh Quynh 2015-10-09 14:38:06 +08:00
parent 5712440c53
commit cc1e14431c
2 changed files with 12 additions and 4 deletions
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4
arch/X86/X86ATTInstPrinter.c
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@ -630,7 +630,9 @@ static void printOperand(MCInst *MI, unsigned OpNo, SStream *O)
else
SStream_concat(O, "$%"PRIu64, imm);
} else {
if (imm < -HEX_THRESHOLD)
if (imm == 0x8000000000000000) // imm == -imm
SStream_concat0(O, "$0x8000000000000000");
else if (imm < -HEX_THRESHOLD)
SStream_concat(O, "$-0x%"PRIx64, -imm);
else
SStream_concat(O, "$-%"PRIu64, -imm);

12
arch/X86/X86IntelInstPrinter.c
View File

@ -336,7 +336,9 @@ static void printImm(int syntax, SStream *O, int64_t imm, bool positive)
// always print this number in positive form
if (syntax == CS_OPT_SYNTAX_MASM) {
if (imm < 0) {
if (need_zero_prefix(imm))
if (imm == 0x8000000000000000) // imm == -imm
SStream_concat0(O, "8000000000000000h");
else if (need_zero_prefix(imm))
SStream_concat(O, "0%"PRIx64"h", imm);
else
SStream_concat(O, "%"PRIx64"h", imm);
@ -362,7 +364,9 @@ static void printImm(int syntax, SStream *O, int64_t imm, bool positive)
} else {
if (syntax == CS_OPT_SYNTAX_MASM) {
if (imm < 0) {
if (imm < -HEX_THRESHOLD) {
if (imm == 0x8000000000000000) // imm == -imm
SStream_concat0(O, "8000000000000000h");
else if (imm < -HEX_THRESHOLD) {
if (need_zero_prefix(imm))
SStream_concat(O, "-0%"PRIx64"h", -imm);
else
@ -380,7 +384,9 @@ static void printImm(int syntax, SStream *O, int64_t imm, bool positive)
}
} else { // Intel syntax
if (imm < 0) {
if (imm < -HEX_THRESHOLD)
if (imm == 0x8000000000000000) // imm == -imm
SStream_concat0(O, "0x8000000000000000");
else if (imm < -HEX_THRESHOLD)
SStream_concat(O, "-0x%"PRIx64, -imm);
else
SStream_concat(O, "-%"PRIu64, -imm);