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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_tms320c64x.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'capstone/tests/test_tms320c64x.c')
-rw-r--r-- | capstone/tests/test_tms320c64x.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/capstone/tests/test_tms320c64x.c b/capstone/tests/test_tms320c64x.c new file mode 100644 index 000000000..86a6d76d7 --- /dev/null +++ b/capstone/tests/test_tms320c64x.c @@ -0,0 +1,193 @@ +/* Capstone Disassembly Engine */ +/* TMS320C64x Backend by Fotis Loukos <me@fotisl.com> 2016 */ + +#include <stdio.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) +{ + cs_tms320c64x *tms320c64x; + int i; + + // detail can be NULL on "data" instruction if SKIPDATA option is turned ON + if (ins->detail == NULL) + return; + + tms320c64x = &(ins->detail->tms320c64x); + if (tms320c64x->op_count) + printf("\top_count: %u\n", tms320c64x->op_count); + + for (i = 0; i < tms320c64x->op_count; i++) { + cs_tms320c64x_op *op = &(tms320c64x->operands[i]); + switch((int)op->type) { + default: + break; + case TMS320C64X_OP_REG: + printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg)); + break; + case TMS320C64X_OP_IMM: + printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm); + break; + case TMS320C64X_OP_MEM: + printf("\t\toperands[%u].type: MEM\n", i); + if (op->mem.base != TMS320C64X_REG_INVALID) + printf("\t\t\toperands[%u].mem.base: REG = %s\n", + i, cs_reg_name(handle, op->mem.base)); + printf("\t\t\toperands[%u].mem.disptype: ", i); + if(op->mem.disptype == TMS320C64X_MEM_DISP_INVALID) { + printf("Invalid\n"); + printf("\t\t\toperands[%u].mem.disp: %u\n", i, op->mem.disp); + } + if(op->mem.disptype == TMS320C64X_MEM_DISP_CONSTANT) { + printf("Constant\n"); + printf("\t\t\toperands[%u].mem.disp: %u\n", i, op->mem.disp); + } + if(op->mem.disptype == TMS320C64X_MEM_DISP_REGISTER) { + printf("Register\n"); + printf("\t\t\toperands[%u].mem.disp: %s\n", i, cs_reg_name(handle, op->mem.disp)); + } + printf("\t\t\toperands[%u].mem.unit: %u\n", i, op->mem.unit); + printf("\t\t\toperands[%u].mem.direction: ", i); + if(op->mem.direction == TMS320C64X_MEM_DIR_INVALID) + printf("Invalid\n"); + if(op->mem.direction == TMS320C64X_MEM_DIR_FW) + printf("Forward\n"); + if(op->mem.direction == TMS320C64X_MEM_DIR_BW) + printf("Backward\n"); + printf("\t\t\toperands[%u].mem.modify: ", i); + if(op->mem.modify == TMS320C64X_MEM_MOD_INVALID) + printf("Invalid\n"); + if(op->mem.modify == TMS320C64X_MEM_MOD_NO) + printf("No\n"); + if(op->mem.modify == TMS320C64X_MEM_MOD_PRE) + printf("Pre\n"); + if(op->mem.modify == TMS320C64X_MEM_MOD_POST) + printf("Post\n"); + printf("\t\t\toperands[%u].mem.scaled: %u\n", i, op->mem.scaled); + + + break; + case TMS320C64X_OP_REGPAIR: + printf("\t\toperands[%u].type: REGPAIR = %s:%s\n", i, cs_reg_name(handle, op->reg + 1), cs_reg_name(handle, op->reg)); + break; + } + } + + printf("\tFunctional unit: "); + switch(tms320c64x->funit.unit) { + case TMS320C64X_FUNIT_D: + printf("D%u\n", tms320c64x->funit.side); + break; + case TMS320C64X_FUNIT_L: + printf("L%u\n", tms320c64x->funit.side); + break; + case TMS320C64X_FUNIT_M: + printf("M%u\n", tms320c64x->funit.side); + break; + case TMS320C64X_FUNIT_S: + printf("S%u\n", tms320c64x->funit.side); + break; + case TMS320C64X_FUNIT_NO: + printf("No Functional Unit\n"); + break; + default: + printf("Unknown (Unit %u, Side %u)\n", tms320c64x->funit.unit, tms320c64x->funit.side); + break; + } + if(tms320c64x->funit.crosspath == 1) + printf("\tCrosspath: 1\n"); + + if(tms320c64x->condition.reg != TMS320C64X_REG_INVALID) + printf("\tCondition: [%c%s]\n", (tms320c64x->condition.zero == 1) ? '!' : ' ', cs_reg_name(handle, tms320c64x->condition.reg)); + printf("\tParallel: %s\n", (tms320c64x->parallel == 1) ? "true" : "false"); + + printf("\n"); +} + +static void test() +{ +#define TMS320C64X_CODE "\x01\xac\x88\x40\x81\xac\x88\x43\x00\x00\x00\x00\x02\x90\x32\x96\x02\x80\x46\x9e\x05\x3c\x83\xe6\x0b\x0c\x8b\x24" + + struct platform platforms[] = { + { + CS_ARCH_TMS320C64X, + CS_MODE_BIG_ENDIAN, + (unsigned char*)TMS320C64X_CODE, + sizeof(TMS320C64X_CODE) - 1, + "TMS320C64x", + }, + }; + + 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; + } + + 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; +} |