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cstool: some cleanup

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This commit is contained in:
Nguyen Anh Quynh 2017-07-04 16:04:53 +08:00
parent cff66503aa
commit 13e06987cd
1 changed files with 15 additions and 12 deletions
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27
cstool/cstool.c
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@ -12,7 +12,7 @@ static struct {
const char *name;
cs_arch arch;
cs_mode mode;
} Arch[] = {
} all_archs[] = {
{ "arm", CS_ARCH_ARM, CS_MODE_ARM },
{ "armb", CS_ARCH_ARM, CS_MODE_ARM | CS_MODE_BIG_ENDIAN },
{ "armbe", CS_ARCH_ARM, CS_MODE_ARM | CS_MODE_BIG_ENDIAN },
@ -117,8 +117,6 @@ static void usage(char *prog)
printf("Cstool for Capstone Disassembler Engine v%u.%u.%u\n\n", CS_VERSION_MAJOR, CS_VERSION_MINOR, CS_VERSION_EXTRA);
printf("Syntax: %s [-u|-d] <arch+mode> <assembly-hexstring> [start-address-in-hex-format]\n", prog);
printf("\nThe following <arch+mode> options are supported:\n");
printf("\n -d show detailed information of the instructions\n");
printf("\n -u show immediates as unsigned\n");
if (cs_support(CS_ARCH_X86)) {
printf(" x16: 16-bit mode (X86)\n");
@ -174,7 +172,9 @@ static void usage(char *prog)
printf(" tms320c64x:TMS320C64x\n");
}
printf("\n");
printf("\nExtra options:\n");
printf(" -d show detailed information of the instructions\n");
printf(" -u show immediates as unsigned\n\n");
}
static void print_details(csh handle, cs_arch arch, cs_mode md, cs_insn *ins)
@ -240,6 +240,7 @@ int main(int argc, char **argv)
cs_arch arch = -1;
bool detail_flag = false;
bool unsigned_flag = false;
int args_left;
while ((c = getopt (argc, argv, "udhv")) != -1) {
switch (c) {
@ -260,7 +261,8 @@ int main(int argc, char **argv)
return -1;
}
}
int args_left = argc - optind;
args_left = argc - optind;
if (args_left < 2 || args_left > 3) {
usage(argv[0]);
return -1;
@ -268,6 +270,7 @@ int main(int argc, char **argv)
mode = argv[optind];
assembly = preprocess(argv[optind + 1], &size);
if (args_left == 3) {
char *temp, *src = argv[optind + 2];
address = strtoull(src, &temp, 16);
@ -277,12 +280,12 @@ int main(int argc, char **argv)
}
}
for (i = 0; Arch[i].name; i++) {
if (!strcmp(Arch[i].name, mode)) {
arch = Arch[i].arch;
err = cs_open(Arch[i].arch, Arch[i].mode, &handle);
for (i = 0; all_archs[i].name; i++) {
if (!strcmp(all_archs[i].name, mode)) {
arch = all_archs[i].arch;
err = cs_open(all_archs[i].arch, all_archs[i].mode, &handle);
if (!err) {
md = Arch[i].mode;
md = all_archs[i].mode;
if (strstr (mode, "att")) {
cs_option(handle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_ATT);
}
@ -291,7 +294,6 @@ int main(int argc, char **argv)
}
}
if (err) {
printf("ERROR: Failed on cs_open(), quit!\n");
usage(argv[0]);
@ -301,6 +303,7 @@ int main(int argc, char **argv)
if (detail_flag) {
cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
}
if (unsigned_flag) {
cs_option(handle, CS_OPT_UNSIGNED, CS_OPT_ON);
}
@ -311,6 +314,7 @@ int main(int argc, char **argv)
for (i = 0; i < count; i++) {
int j;
printf("%"PRIx64" ", insn[i].address);
for (j = 0; j < insn[i].size; j++) {
printf("%02x", insn[i].bytes[j]);
@ -318,7 +322,6 @@ int main(int argc, char **argv)
// X86 instruction size is variable.
// align assembly instruction after the opcode
if (arch == CS_ARCH_X86) {
for (; j < 16; j++) {
printf(" ");
}