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      1 /* Capstone Disassembler Engine */
      2 /* By bughoho <bughoho (at) gmail.com>, 2015> */
      3 
      4 #include <stdio.h>
      5 #include <stdlib.h>
      6 #include <time.h>
      7 
      8 #include <platform.h>
      9 #include <capstone.h>
     10 
     11 static void test()
     12 {
     13 #define X86_CODE32 "\x53\x8B\xDC\x83\xEC\x08\x83\xE4\xF0\x83\xC4\x04\x55\x8B\x6B\x04\x89\x6C\x24\x04\x8B\xEC\x83\xEC\x78\xA1\x90\xA3\x4B\x01\x33\xC5 \
     14 \x89\x45\xFC\x8B\x41\x04\x0F\x28\x05\x80\x30\x20\x01\x0F\x29\x45\xD0\x0F\x28\x05\x50\xAB\x1E\x01\x89\x4D\x90\x89\x45\xB8\x0F\x29 \
     15 \x45\xE0\x56\x8B\x73\x08\x57\xC7\x06\x00\x00\x00\x00\xC7\x46\x04\x00\x00\x00\x00\xC7\x46\x08\x00\x00\x00\x00\xC7\x46\x0C\x00\x00 \
     16 \x00\x00\x85\xC0\x0F\x84\xCB\x01\x00\x00\x33\xFF\x8D\x64\x24\x00\x8B\x01\x8B\x0C\x07\x89\x4D\xBC\x85\xC9\x0F\x84\xA6\x01\x00\x00 \
     17 \x8B\x43\x0C\x0F\x10\x00\x0F\x29\x45\xD0\x0F\x10\x40\x10\x0F\x29\x45\xE0\x8B\x01\x8B\x40\x08\xFF\xD0\xF3\x0F\x10\x65\xD0\x8D\x55 \
     18 \xD0\xF3\x0F\x10\x55\xD4\xF3\x0F\x10\x6D\xE0\xF3\x0F\x10\x48\x10\xF3\x0F\x10\x00\xF3\x0F\x10\x5D\xE4\xF3\x0F\x59\xCA\x8B\x4D\xBC \
     19 \xF3\x0F\x59\xC4\x52\x8D\x55\xC0\x52\xF3\x0F\x58\xC8\xF3\x0F\x11\x4D\xD0\xF3\x0F\x10\x48\x10\xF3\x0F\x10\x00\xF3\x0F\x59\xCB\xF3 \
     20 \x0F\x59\xC5\xF3\x0F\x58\xC8\xF3\x0F\x11\x4D\xE0\x0F\x28\xCC\xF3\x0F\x59\x48\x04\xF3\x0F\x10\x40\x14\xF3\x0F\x59\xC2\xF3\x0F\x58 \
     21 \xC8\xF3\x0F\x11\x4D\xD4\x0F\x28\xCD\xF3\x0F\x10\x40\x14\xF3\x0F\x59\x48\x04\xC7\x45\xE8\x00\x00\x00\x00\xF3\x0F\x59\xC3\xC7\x45 \
     22 \xD8\x00\x00\x00\x00\xF3\x0F\x58\xC8\xF3\x0F\x11\x4D\xE4\xF3\x0F\x59\x60\x0C\xF3\x0F\x59\x50\x1C\xF3\x0F\x58\xE2\xF3\x0F\x58\x65 \
     23 \xDC\xF3\x0F\x11\x65\xDC\xF3\x0F\x59\x68\x0C\xF3\x0F\x59\x58\x1C\xF3\x0F\x58\xEB\xF3\x0F\x58\x6D\xEC\xF3\x0F\x11\x6D\xEC\x8B\x01 \
     24 \x8B\x80\xF8\x00\x00\x00\xFF\xD0\xF3\x0F\x10\x10\xF3\x0F\x10\x58\x08\x0F\x2F\xD3\xF3\x0F\x10\x40\x04\xF3\x0F\x10\x48\x0C\xF3\x0F \
     25 \x11\x55\xA0\xF3\x0F\x11\x45\x94\xF3\x0F\x11\x5D\x98\xF3\x0F\x11\x4D\xBC\x0F\x83\x8E\x00\x00\x00\x0F\x2F\xC1\x0F\x83\x85\x00\x00 \
     26 \x00\x8B\xCE\xE8\xE8\xAC\x86\xFF\xF3\x0F\x10\x65\xA0\x84\xC0\x75\x53\xF3\x0F\x10\x06\x0F\x2F\xC4\x77\x03\x0F\x28\xE0\xF3\x0F\x10 \
     27 \x5E\x08\xF3\x0F\x10\x45\x98\x0F\x2F\xD8\x77\x03\x0F\x28\xD8\xF3\x0F\x10\x4E\x04\xF3\x0F\x10\x45\x94\x0F\x2F\xC8\x77\x03\x0F\x28 \
     28 \xC1\xF3\x0F\x10\x4E\x0C\xF3\x0F\x10\x55\xBC\x0F\x2F\xCA\x77\x03\x0F\x28\xCA\xF3\x0F\x11\x46\x04\xF3\x0F\x11\x5E\x08\xF3\x0F\x11"
     29 	/* i'm test on the ubuntu 15.04 vmware,
     30 	 * Sorry I haven't linux under the physical environment,
     31 	 * so the results may not be accurate.
     32 	 *
     33 	 * original version output:
     34 	 * bug@ubuntu:~/capstone/suite/benchmark$ make
     35 	 * cc -c -I../../include test_iter_benchmark.c -o test_iter_benchmark.o
     36 	 * cc test_iter_benchmark.o -O3 -Wall -lcapstone -o test_iter_benchmark
     37 	 * bug@ubuntu:~/capstone/suite/benchmark$ ./test_iter_benchmark
     38 	 * time used:6.017613
     39 	 *
     40 	 * rebuild:
     41 	 *
     42 	 * bug@ubuntu:~/capstone$ make clean
     43      * bug@ubuntu:~/capstone$ sudo make install
     44      * bug@ubuntu:~/capstone$ cd suite/benchmark/
     45 	 * bug@ubuntu:~/capstone/suite/benchmark$ make clean
     46 	 * bug@ubuntu:~/capstone/suite/benchmark$ make
     47 	 *
     48 	 * modified version output:
     49 	 * bug@ubuntu:~/capstone/suite/benchmark$ ./test_iter_benchmark
     50 	 * time used:5.003864
     51 	 *
     52      * if we don't output format text string,like this:
     53 	 * //handle->printer(&mci, &ss, handle->printer_info);  <-----cs.c line 700
     54 	 * bug@ubuntu:~/capstone/suite/benchmark$ ./test_iter_benchmark
     55 	 * time used:2.059570
     56 	 */
     57 
     58 	csh handle;
     59 	uint64_t address;
     60 	cs_insn *insn;
     61 	int i;
     62 	cs_err err;
     63 	const uint8_t *code;
     64 	size_t size;
     65 
     66 	err = cs_open(CS_ARCH_X86, CS_MODE_32, &handle);
     67 	if (err) {
     68 		printf("Failed on cs_open() with error returned: %u\n", err);
     69 		return;
     70 	}
     71 	cs_option(handle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_INTEL);
     72 	cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
     73 
     74 	clock_t start, end;
     75 	double  timeUsed;
     76 
     77 	start = clock();
     78 	int maxcount = 10000000;
     79 	insn = cs_malloc(handle);
     80 	for (i = 0; i < maxcount;) {
     81 		code = (const uint8_t *)X86_CODE32;
     82 		address = 0x1000;
     83 		size = sizeof(X86_CODE32) - 1;
     84 		while(cs_disasm_iter(handle, &code, &size, &address, insn)) {
     85 			i++;
     86 		}
     87 	}
     88 	cs_free(insn, 1);
     89 	cs_close(&handle);
     90 	end = clock();
     91 	timeUsed = (double)(end - start) / CLOCKS_PER_SEC;
     92 	printf("time used:%f\n", timeUsed);
     93 }
     94 
     95 int main()
     96 {
     97 	test();
     98 
     99 	return 0;
    100 }
    101