| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <capstone/platform.h> |
| #include <capstone/capstone.h> |
| |
| struct platform { |
| cs_arch arch; |
| cs_mode mode; |
| unsigned char *code; |
| size_t size; |
| const char *comment; |
| }; |
| |
| static csh handle; |
| |
| static void print_string_hex(const char *comment, unsigned char *str, size_t len) |
| { |
| unsigned char *c; |
| |
| printf("%s", comment); |
| for (c = str; c < str + len; c++) { |
| printf("0x%02x ", *c & 0xff); |
| } |
| |
| printf("\n"); |
| } |
| |
| static void print_insn_detail(cs_insn *ins) |
| { |
| int i; |
| int n; |
| cs_riscv *riscv; |
| cs_detail *detail; |
| |
| // detail can be NULL on "data" instruction if SKIPDATA option is turned ON |
| if (ins->detail == NULL) |
| return; |
| |
| riscv = &(ins->detail->riscv); |
| detail = ins->detail; |
| if (riscv->op_count) |
| printf("\top_count: %u\n", riscv->op_count); |
| |
| for (i = 0; i < riscv->op_count; i++) { |
| cs_riscv_op *op = &(riscv->operands[i]); |
| switch((int)op->type) { |
| default: |
| printf("\terror in opt_type: %u\n", (int)op->type); |
| break; |
| case RISCV_OP_REG: |
| printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg)); |
| break; |
| case RISCV_OP_IMM: |
| printf("\t\toperands[%u].type: IMM = 0x%" PRIx64 "\n", i, op->imm); |
| break; |
| case RISCV_OP_MEM: |
| printf("\t\toperands[%u].type: MEM\n", i); |
| if (op->mem.base != RISCV_REG_INVALID) |
| printf("\t\t\toperands[%u].mem.base: REG = %s\n", |
| i, cs_reg_name(handle, op->mem.base)); |
| if (op->mem.disp != 0) |
| printf("\t\t\toperands[%u].mem.disp: 0x%" PRIx64 "\n", i, op->mem.disp); |
| |
| break; |
| } |
| |
| } |
| |
| //print the groups this instruction belongs to |
| if (detail->groups_count > 0) { |
| printf("\tThis instruction belongs to groups: "); |
| for (n = 0; n < detail->groups_count; n++) { |
| printf("%s ", cs_group_name(handle, detail->groups[n])); |
| } |
| printf("\n"); |
| } |
| |
| printf("\n"); |
| } |
| |
| static void test() |
| { |
| #define RISCV_CODE32 "\x37\x34\x00\x00\x97\x82\x00\x00\xef\x00\x80\x00\xef\xf0\x1f\xff\xe7\x00\x45\x00\xe7\x00\xc0\xff\x63\x05\x41\x00\xe3\x9d\x61\xfe\x63\xca\x93\x00\x63\x53\xb5\x00\x63\x65\xd6\x00\x63\x76\xf7\x00\x03\x88\x18\x00\x03\x99\x49\x00\x03\xaa\x6a\x00\x03\xcb\x2b\x01\x03\xdc\x8c\x01\x23\x86\xad\x03\x23\x9a\xce\x03\x23\x8f\xef\x01\x93\x00\xe0\x00\x13\xa1\x01\x01\x13\xb2\x02\x7d\x13\xc3\x03\xdd\x13\xe4\xc4\x12\x13\xf5\x85\x0c\x13\x96\xe6\x01\x13\xd7\x97\x01\x13\xd8\xf8\x40\x33\x89\x49\x01\xb3\x0a\x7b\x41\x33\xac\xac\x01\xb3\x3d\xde\x01\x33\xd2\x62\x40\xb3\x43\x94\x00\x33\xe5\xc5\x00\xb3\x76\xf7\x00\xb3\x54\x39\x01\xb3\x50\x31\x00\x33\x9f\x0f\x00" |
| #define RISCV_CODE64 "\x13\x04\xa8\x7a" // aaa80413 |
| struct platform platforms[] = { |
| { |
| CS_ARCH_RISCV, |
| CS_MODE_RISCV32, |
| (unsigned char *)RISCV_CODE32, |
| sizeof(RISCV_CODE32) - 1, |
| "riscv32" |
| }, |
| { |
| CS_ARCH_RISCV, |
| CS_MODE_RISCV64, |
| (unsigned char *)RISCV_CODE64, |
| sizeof(RISCV_CODE64) - 1, |
| "riscv64" |
| } |
| }; |
| |
| uint64_t address = 0x1000; |
| cs_insn *insn; |
| int i; |
| size_t count; |
| |
| for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) { |
| cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle); |
| if (err) { |
| printf("Failed on cs_open() with error returned: %u\n", err); |
| continue; |
| } |
| |
| //To turn on or off the Print Details option |
| //cs_option(handle, CS_OPT_DETAIL, CS_OPT_OFF); |
| cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON); |
| |
| count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn); |
| if (count) { |
| size_t j; |
| |
| printf("****************\n"); |
| printf("Platform: %s\n", platforms[i].comment); |
| print_string_hex("Code:", platforms[i].code, platforms[i].size); |
| printf("Disasm:\n"); |
| |
| for (j = 0; j < count; j++) { |
| printf("0x%" PRIx64 ":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str); |
| print_insn_detail(&insn[j]); |
| } |
| printf("0x%" PRIx64 ":\n", insn[j-1].address + insn[j-1].size); |
| |
| // free memory allocated by cs_disasm() |
| cs_free(insn, count); |
| } else { |
| printf("****************\n"); |
| printf("Platform: %s\n", platforms[i].comment); |
| print_string_hex("Code:", platforms[i].code, platforms[i].size); |
| printf("ERROR: Failed to disasm given code!\n"); |
| } |
| |
| printf("\n"); |
| |
| cs_close(&handle); |
| } |
| } |
| |
| int main() |
| { |
| test(); |
| |
| return 0; |
| } |