You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
261 lines
7.6 KiB
261 lines
7.6 KiB
/* Capstone Disassembler Engine */ |
|
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */ |
|
|
|
#include <stdio.h> |
|
#include <stdlib.h> |
|
#include <inttypes.h> |
|
|
|
#include <capstone.h> |
|
|
|
struct platform { |
|
cs_arch arch; |
|
cs_mode mode; |
|
unsigned char *code; |
|
size_t size; |
|
char *comment; |
|
cs_opt_type opt_type; |
|
cs_opt_value opt_value; |
|
}; |
|
|
|
static void print_string_hex(unsigned char *str, int len) |
|
{ |
|
unsigned char *c; |
|
|
|
printf("Code: "); |
|
for (c = str; c < str + len; c++) { |
|
printf("0x%02x ", *c & 0xff); |
|
} |
|
printf("\n"); |
|
} |
|
|
|
static void test() |
|
{ |
|
#define X86_CODE16 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00" |
|
#define X86_CODE32 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00" |
|
//#define X86_CODE32 "\x0f\xa7\xc0" // xstorerng |
|
#define X86_CODE64 "\x55\x48\x8b\x05\xb8\x13\x00\x00" |
|
//#define ARM_CODE "\x04\xe0\x2d\xe5" |
|
#define ARM_CODE "\xED\xFF\xFF\xEB\x04\xe0\x2d\xe5\x00\x00\x00\x00\xe0\x83\x22\xe5\xf1\x02\x03\x0e\x00\x00\xa0\xe3\x02\x30\xc1\xe7\x00\x00\x53\xe3" |
|
#define ARM_CODE2 "\x10\xf1\x10\xe7\x11\xf2\x31\xe7\xdc\xa1\x2e\xf3\xe8\x4e\x62\xf3" |
|
#define THUMB_CODE "\x70\x47\xeb\x46\x83\xb0\xc9\x68" |
|
#define THUMB_CODE2 "\x4f\xf0\x00\x01\xbd\xe8\x00\x88\xd1\xe8\x00\xf0" |
|
#define MIPS_CODE "\x0C\x10\x00\x97\x00\x00\x00\x00\x24\x02\x00\x0c\x8f\xa2\x00\x00\x34\x21\x34\x56" |
|
//#define MIPS_CODE "\x21\x38\x00\x01" |
|
//#define MIPS_CODE "\x21\x30\xe6\x70" |
|
//#define MIPS_CODE "\x1c\x00\x40\x14" |
|
#define MIPS_CODE2 "\x56\x34\x21\x34\xc2\x17\x01\x00" |
|
//#define ARM64_CODE "\xe1\x0b\x40\xb9" // ldr w1, [sp, #0x8] |
|
//#define ARM64_CODE "\x00\x40\x21\x4b" // sub w0, w0, w1, uxtw |
|
//#define ARM64_CODE "\x21\x7c\x02\x9b" // mul x1, x1, x2 |
|
//#define ARM64_CODE "\x20\x74\x0b\xd5" // dc zva, x0 |
|
//#define ARM64_CODE "\x20\xfc\x02\x9b" // mneg x0, x1, x2 |
|
#define ARM64_CODE "\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x10\x20\x21\x1e" |
|
//#define THUMB_CODE "\x0a\xbf" // itet eq |
|
//#define X86_CODE32 "\x77\x04" // ja +6 |
|
#define PPC_CODE "\x80\x20\x00\x00\x80\x3f\x00\x00\x10\x43\x23\x0e\xd0\x44\x00\x80\x4c\x43\x22\x02\x2d\x03\x00\x80\x7c\x43\x20\x14\x7c\x43\x20\x93\x4f\x20\x00\x21\x4c\xc8\x00\x21" |
|
#define SPARC_CODE "\x80\xa0\x40\x02\x85\xc2\x60\x08\x85\xe8\x20\x01\x81\xe8\x00\x00\x90\x10\x20\x01\xd5\xf6\x10\x16\x21\x00\x00\x0a\x86\x00\x40\x02\x01\x00\x00\x00\x12\xbf\xff\xff\x10\xbf\xff\xff\xa0\x02\x00\x09\x0d\xbf\xff\xff\xd4\x20\x60\x00\xd4\x4e\x00\x16\x2a\xc2\x80\x03" |
|
#define SPARCV9_CODE "\x81\xa8\x0a\x24\x89\xa0\x10\x20\x89\xa0\x1a\x60\x89\xa0\x00\xe0" |
|
#define SYSZ_CODE "\xed\x00\x00\x00\x00\x1a\x5a\x0f\x1f\xff\xc2\x09\x80\x00\x00\x00\x07\xf7\xeb\x2a\xff\xff\x7f\x57\xe3\x01\xff\xff\x7f\x57\xeb\x00\xf0\x00\x00\x24\xb2\x4f\x00\x78" |
|
|
|
struct platform platforms[] = { |
|
{ |
|
.arch = CS_ARCH_X86, |
|
.mode = CS_MODE_16, |
|
.code = (unsigned char *)X86_CODE16, |
|
.size = sizeof(X86_CODE32) - 1, |
|
.comment = "X86 16bit (Intel syntax)" |
|
}, |
|
{ |
|
.arch = CS_ARCH_X86, |
|
.mode = CS_MODE_32, |
|
.code = (unsigned char *)X86_CODE32, |
|
.size = sizeof(X86_CODE32) - 1, |
|
.comment = "X86 32bit (ATT syntax)", |
|
.opt_type = CS_OPT_SYNTAX, |
|
.opt_value = CS_OPT_SYNTAX_ATT, |
|
}, |
|
{ |
|
.arch = CS_ARCH_X86, |
|
.mode = CS_MODE_32, |
|
.code = (unsigned char *)X86_CODE32, |
|
.size = sizeof(X86_CODE32) - 1, |
|
.comment = "X86 32 (Intel syntax)" |
|
}, |
|
{ |
|
.arch = CS_ARCH_X86, |
|
.mode = CS_MODE_64, |
|
.code = (unsigned char *)X86_CODE64, |
|
.size = sizeof(X86_CODE64) - 1, |
|
.comment = "X86 64 (Intel syntax)" |
|
}, |
|
{ |
|
.arch = CS_ARCH_ARM, |
|
.mode = CS_MODE_ARM, |
|
.code = (unsigned char *)ARM_CODE, |
|
.size = sizeof(ARM_CODE) - 1, |
|
.comment = "ARM" |
|
}, |
|
{ |
|
.arch = CS_ARCH_ARM, |
|
.mode = CS_MODE_THUMB, |
|
.code = (unsigned char *)THUMB_CODE2, |
|
.size = sizeof(THUMB_CODE2) - 1, |
|
.comment = "THUMB-2" |
|
}, |
|
{ |
|
.arch = CS_ARCH_ARM, |
|
.mode = CS_MODE_ARM, |
|
.code = (unsigned char *)ARM_CODE2, |
|
.size = sizeof(ARM_CODE2) - 1, |
|
.comment = "ARM: Cortex-A15 + NEON" |
|
}, |
|
{ |
|
.arch = CS_ARCH_ARM, |
|
.mode = CS_MODE_THUMB, |
|
.code = (unsigned char *)THUMB_CODE, |
|
.size = sizeof(THUMB_CODE) - 1, |
|
.comment = "THUMB" |
|
}, |
|
{ |
|
.arch = CS_ARCH_MIPS, |
|
.mode = CS_MODE_32 + CS_MODE_BIG_ENDIAN, |
|
.code = (unsigned char *)MIPS_CODE, |
|
.size = sizeof(MIPS_CODE) - 1, |
|
.comment = "MIPS-32 (Big-endian)" |
|
}, |
|
{ |
|
.arch = CS_ARCH_MIPS, |
|
.mode = CS_MODE_64+ CS_MODE_LITTLE_ENDIAN, |
|
.code = (unsigned char *)MIPS_CODE2, |
|
.size = sizeof(MIPS_CODE2) - 1, |
|
.comment = "MIPS-64-EL (Little-endian)" |
|
}, |
|
{ |
|
.arch = CS_ARCH_ARM64, |
|
.mode = CS_MODE_ARM, |
|
.code = (unsigned char *)ARM64_CODE, |
|
.size = sizeof(ARM64_CODE) - 1, |
|
.comment = "ARM-64" |
|
}, |
|
{ |
|
.arch = CS_ARCH_PPC, |
|
.mode = CS_MODE_BIG_ENDIAN, |
|
.code = (unsigned char*)PPC_CODE, |
|
.size = sizeof(PPC_CODE) - 1, |
|
.comment = "PPC-64" |
|
}, |
|
{ |
|
.arch = CS_ARCH_SPARC, |
|
.mode = CS_MODE_BIG_ENDIAN, |
|
.code = (unsigned char*)SPARC_CODE, |
|
.size = sizeof(SPARC_CODE) - 1, |
|
.comment = "Sparc" |
|
}, |
|
{ |
|
.arch = CS_ARCH_SPARC, |
|
.mode = CS_MODE_BIG_ENDIAN + CS_MODE_V9, |
|
.code = (unsigned char*)SPARCV9_CODE, |
|
.size = sizeof(SPARCV9_CODE) - 1, |
|
.comment = "SparcV9" |
|
}, |
|
{ |
|
.arch = CS_ARCH_SYSZ, |
|
.mode = 0, |
|
.code = (unsigned char*)SYSZ_CODE, |
|
.size = sizeof(SYSZ_CODE) - 1, |
|
.comment = "SystemZ" |
|
}, |
|
}; |
|
|
|
csh handle; |
|
uint64_t address = 0x1000; |
|
cs_insn *all_insn; |
|
int i; |
|
size_t count; |
|
cs_err err; |
|
|
|
for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) { |
|
printf("****************\n"); |
|
printf("Platform: %s\n", platforms[i].comment); |
|
err = cs_open(platforms[i].arch, platforms[i].mode, &handle); |
|
if (err) { |
|
printf("Failed on cs_open() with error returned: %u\n", err); |
|
continue; |
|
} |
|
|
|
if (platforms[i].opt_type) |
|
cs_option(handle, platforms[i].opt_type, platforms[i].opt_value); |
|
|
|
cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON); |
|
|
|
count = cs_disasm_ex(handle, platforms[i].code, platforms[i].size, address, 0, &all_insn); |
|
if (count) { |
|
size_t j; |
|
int n; |
|
|
|
print_string_hex(platforms[i].code, platforms[i].size); |
|
printf("Disasm:\n"); |
|
|
|
for (j = 0; j < count; j++) { |
|
cs_insn *i = &(all_insn[j]); |
|
printf("0x%"PRIx64":\t%s\t\t%s // insn-ID: %u, insn-mnem: %s\n", |
|
i->address, i->mnemonic, i->op_str, |
|
i->id, cs_insn_name(handle, i->id)); |
|
|
|
// print implicit registers used by this instruction |
|
cs_detail *detail = i->detail; |
|
// detail can be NULL on "data" instruction since we turned on SKIPDATA option above. |
|
if (!detail) |
|
continue; |
|
|
|
if (detail->regs_read_count > 0) { |
|
printf("\tImplicit registers read: "); |
|
for (n = 0; n < detail->regs_read_count; n++) { |
|
printf("%s ", cs_reg_name(handle, detail->regs_read[n])); |
|
} |
|
printf("\n"); |
|
} |
|
|
|
// print implicit registers modified by this instruction |
|
if (detail->regs_write_count > 0) { |
|
printf("\tImplicit registers modified: "); |
|
for (n = 0; n < detail->regs_write_count; n++) { |
|
printf("%s ", cs_reg_name(handle, detail->regs_write[n])); |
|
} |
|
printf("\n"); |
|
} |
|
|
|
// print the groups this instruction belong to |
|
if (detail->groups_count > 0) { |
|
printf("\tThis instruction belongs to groups: "); |
|
for (n = 0; n < detail->groups_count; n++) { |
|
printf("%u ", detail->groups[n]); |
|
} |
|
printf("\n"); |
|
} |
|
} |
|
|
|
// print out the next offset, after the last insn |
|
printf("0x%"PRIx64":\n", all_insn[j-1].address + all_insn[j-1].size); |
|
|
|
// free memory allocated by cs_disasm_ex() |
|
cs_free(all_insn, count); |
|
} else { |
|
printf("****************\n"); |
|
printf("Platform: %s\n", platforms[i].comment); |
|
print_string_hex(platforms[i].code, platforms[i].size); |
|
printf("ERROR: Failed to disasm given code!\n"); |
|
} |
|
|
|
printf("\n"); |
|
|
|
cs_close(&handle); |
|
} |
|
} |
|
|
|
int main() |
|
{ |
|
test(); |
|
|
|
return 0; |
|
}
|
|
|