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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /capstone/tests/test_wasm.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'capstone/tests/test_wasm.c')
-rw-r--r-- | capstone/tests/test_wasm.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/capstone/tests/test_wasm.c b/capstone/tests/test_wasm.c new file mode 100644 index 000000000..0f98bdf60 --- /dev/null +++ b/capstone/tests/test_wasm.c @@ -0,0 +1,149 @@ +/* Capstone Disassembler Engine */ +/* By Spike <spikeinhouse@gmail.com>, 2018 */ + +#include <stdio.h> +#include <stdlib.h> + +#include <capstone/platform.h> +#include <capstone/capstone.h> + +static csh handle; + +struct platform { + cs_arch arch; + cs_mode mode; + unsigned char *code; + size_t size; + const char *comment; +}; + +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(csh cs_handle, cs_insn *ins) +{ + cs_wasm *wasm; + + // detail can be NULL on "data" instruction if SKIPDATA option is turned ON + if (ins->detail == NULL) + return; + + if (ins->detail->groups_count) { + int j; + + printf("\tGroups: "); + for(j = 0; j < ins->detail->groups_count; j++) { + printf("%s ", cs_group_name(handle, ins->detail->groups[j])); + } + printf("\n"); + } + + wasm = &(ins->detail->wasm); + + if (wasm->op_count > 0) { + unsigned int i; + + printf("\tOperand count: %u\n", wasm->op_count); + + for (i = 0; i < wasm->op_count; i++) { + switch (wasm->operands[i].type) { + default: + break; + case WASM_OP_INT7: + printf("\t\tOperand[%u] type: int7\n", i); + printf("\t\tOperand[%u] value: %d\n", i, wasm->operands[i].int7); + break; + case WASM_OP_UINT32: + printf("\t\tOperand[%u] type: uint32\n", i); + printf("\t\tOperand[%u] value: 0x%x\n", i, wasm->operands[i].uint32); + break; + case WASM_OP_UINT64: + printf("\t\tOperand[%u] type: uint64\n", i); + printf("\t\tOperand[%u] value: 0x%" PRIx64 "\n", i, wasm->operands[i].uint64); + break; + case WASM_OP_VARUINT32: + printf("\t\tOperand[%u] type: varuint32\n", i); + printf("\t\tOperand[%u] value: 0x%x\n", i, wasm->operands[i].varuint32); + break; + case WASM_OP_VARUINT64: + printf("\t\tOperand[%u] type: varuint64\n", i); + printf("\t\tOperand[%u] value: 0x%" PRIx64 "\n", i, wasm->operands[i].varuint64); + break; + } + printf("\t\tOperand[%u] size: %u\n", i, wasm->operands[i].size); + } + } +} + +static void test() +{ +#define WASM_CODE "\x20\x00\x20\x01\x41\x20\x10\xc9\x01\x45\x0b" + struct platform platforms[] = { + { + CS_ARCH_WASM, + 0, + (unsigned char *)WASM_CODE, + sizeof(WASM_CODE) - 1, + "WASM" + }, + }; + + uint64_t address = 0xffff; + cs_insn *insn; + size_t count; + int i; + + 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); + abort(); + } + + 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(handle, &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"); + abort(); + } + + printf("\n"); + + cs_close(&handle); + } +} + +int main() +{ + test(); + return 0; +} + |