text: /* Capstone Disassembler Engine */
  /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
  
  #include <stdio.h>
  #include "../myinttypes.h"
  
  #include <capstone.h>
  
  struct platform {
  	cs_arch arch;
  	cs_mode mode;
  	unsigned char *code;
  	size_t size;
  	char *comment;
  };
  
  static csh handle;
  
  static void print_string_hex(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 const char* get_bc_name(int bc)
  {
  	switch(bc) {
  		default:
  		case PPC_BC_INVALID:
  			return ("invalid");
  		case PPC_BC_LT:
  			return ("lt");
  		case PPC_BC_LE:
  			return ("le");
  		case PPC_BC_EQ:
  			return ("eq");
  		case PPC_BC_GE:
  			return ("ge");
  		case PPC_BC_GT:
  			return ("gt");
  		case PPC_BC_NE:
  			return ("ne");
  		case PPC_BC_UN:
  			return ("un");
  		case PPC_BC_NU:
  			return ("nu");
  		case PPC_BC_SO:
  			return ("so");
  		case PPC_BC_NS:
  			return ("ns");
  	}
  }
  
  static void print_insn_detail(cs_insn *ins)
  {
  	cs_ppc *ppc;
  	int i;
  
  	// detail can be NULL on "data" instruction if SKIPDATA option is turned ON
  	if (ins->detail == NULL)
  		return;
  
  	ppc = &(ins->detail->ppc);
  	if (ppc->op_count)
  		printf("\top_count: %u\n", ppc->op_count);
  
  	for (i = 0; i < ppc->op_count; i++) {
  		cs_ppc_op *op = &(ppc->operands[i]);
  		switch((int)op->type) {
  			default:
  				break;
  			case PPC_OP_REG:
  				printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg));
  				break;
  			case PPC_OP_IMM:
  				printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm);
  				break;
  			case PPC_OP_MEM:
  				printf("\t\toperands[%u].type: MEM\n", i);
  				if (op->mem.base != PPC_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%x\n", i, op->mem.disp);
  
  				break;
  			case PPC_OP_CRX:
  				printf("\t\toperands[%u].type: CRX\n", i);
  				printf("\t\t\toperands[%u].crx.scale: %d\n", i, op->crx.scale);
  				printf("\t\t\toperands[%u].crx.reg: %s\n", i, cs_reg_name(handle, op->crx.reg));
  				printf("\t\t\toperands[%u].crx.cond: %s\n", i, get_bc_name(op->crx.cond));
  				break;
  		}
  	}
  
  	if (ppc->bc != 0)
  		printf("\tBranch code: %u\n", ppc->bc);
  
  	if (ppc->bh != 0)
  		printf("\tBranch hint: %u\n", ppc->bh);
  
  	if (ppc->update_cr0)
  		printf("\tUpdate-CR0: True\n");
  
  	printf("\n");
  }
  
  static void test()
  {
  #define PPC_CODE "\x43\x20\x0c\x07\x41\x56\xff\x17\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\x40\x82\x00\x14"
  
  	struct platform platforms[] = {
  		{
  			CS_ARCH_PPC,
  			CS_MODE_BIG_ENDIAN,
  			(unsigned char*)PPC_CODE,
  			sizeof(PPC_CODE) - 1,
  			"PPC-64",
  		}
  	};
  
  	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;
  }
  