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127 lines
2.5 KiB
127 lines
2.5 KiB
/* Capstone Disassembler Engine */
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/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2018 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <capstone/platform.h>
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#include <capstone/capstone.h>
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static csh handle;
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struct platform {
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cs_arch arch;
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cs_mode mode;
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unsigned char *code;
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size_t size;
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const char *comment;
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};
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static void print_string_hex(const char *comment, unsigned char *str, size_t len)
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{
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unsigned char *c;
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printf("%s", comment);
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for (c = str; c < str + len; c++) {
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printf("0x%02x ", *c & 0xff);
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}
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printf("\n");
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}
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static void print_insn_detail(csh cs_handle, cs_insn *ins)
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{
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cs_evm *evm;
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// detail can be NULL on "data" instruction if SKIPDATA option is turned ON
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if (ins->detail == NULL)
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return;
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evm = &(ins->detail->evm);
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if (evm->pop)
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printf("\tPop: %u\n", evm->pop);
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if (evm->push)
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printf("\tPush: %u\n", evm->push);
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if (evm->fee)
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printf("\tGas fee: %u\n", evm->fee);
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if (ins->detail->groups_count) {
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int j;
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printf("\tGroups: ");
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for(j = 0; j < ins->detail->groups_count; j++) {
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printf("%s ", cs_group_name(handle, ins->detail->groups[j]));
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}
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printf("\n");
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}
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}
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static void test()
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{
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#define EVM_CODE "\x60\x61\x50"
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struct platform platforms[] = {
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{
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CS_ARCH_EVM,
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0,
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(unsigned char *)EVM_CODE,
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sizeof(EVM_CODE) - 1,
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"EVM"
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},
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};
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uint64_t address = 0x80001000;
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cs_insn *insn;
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int i;
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size_t count;
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for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
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cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
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if (err) {
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printf("Failed on cs_open() with error returned: %u\n", err);
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abort();
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}
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cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
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count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn);
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if (count) {
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size_t j;
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printf("****************\n");
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printf("Platform: %s\n", platforms[i].comment);
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print_string_hex("Code:", platforms[i].code, platforms[i].size);
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printf("Disasm:\n");
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for (j = 0; j < count; j++) {
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printf("0x%" PRIx64 ":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str);
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print_insn_detail(handle, &insn[j]);
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}
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printf("0x%" PRIx64 ":\n", insn[j-1].address + insn[j-1].size);
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// free memory allocated by cs_disasm()
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cs_free(insn, count);
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} else {
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printf("****************\n");
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printf("Platform: %s\n", platforms[i].comment);
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print_string_hex("Code:", platforms[i].code, platforms[i].size);
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printf("ERROR: Failed to disasm given code!\n");
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abort();
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}
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printf("\n");
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cs_close(&handle);
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}
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}
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int main()
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{
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test();
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return 0;
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}
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