• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* Capstone Disassembler Engine */
2 /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013 */
3 
4 #include <stdio.h>
5 #include <stdlib.h>
6 
7 #include <capstone/platform.h>
8 #include <capstone/capstone.h>
9 
10 struct platform {
11 	cs_arch arch;
12 	cs_mode mode;
13 	unsigned char *code;
14 	size_t size;
15 	const char *comment;
16 	cs_opt_type opt_type;
17 	cs_opt_value opt_value;
18 };
19 
print_string_hex(unsigned char * str,size_t len)20 static void print_string_hex(unsigned char *str, size_t len)
21 {
22 	unsigned char *c;
23 
24 	printf("Code: ");
25 	for (c = str; c < str + len; c++) {
26 		printf("0x%02x ", *c & 0xff);
27 	}
28 	printf("\n");
29 }
30 
test()31 static void test()
32 {
33 #ifdef CAPSTONE_HAS_X86
34 #define X86_CODE16 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00"
35 #define X86_CODE32 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00"
36 //#define X86_CODE32 "\x0f\xa7\xc0"	// xstorerng
37 #define X86_CODE64 "\x55\x48\x8b\x05\xb8\x13\x00\x00"
38 #endif
39 #ifdef CAPSTONE_HAS_ARM
40 //#define ARM_CODE "\x04\xe0\x2d\xe5"
41 #define ARM_CODE "\xED\xFF\xFF\xEB\x04\xe0\x2d\xe5\x00\x00\x00\x00\xe0\x83\x22\xe5\xf1\x02\x03\x0e\x00\x00\xa0\xe3\x02\x30\xc1\xe7\x00\x00\x53\xe3"
42 #define ARM_CODE2 "\x10\xf1\x10\xe7\x11\xf2\x31\xe7\xdc\xa1\x2e\xf3\xe8\x4e\x62\xf3"
43 #define THUMB_CODE "\x70\x47\xeb\x46\x83\xb0\xc9\x68"
44 #define THUMB_CODE2 "\x4f\xf0\x00\x01\xbd\xe8\x00\x88\xd1\xe8\x00\xf0"
45 #define THUMB_MCLASS "\xef\xf3\x02\x80"
46 #define ARMV8 "\xe0\x3b\xb2\xee\x42\x00\x01\xe1\x51\xf0\x7f\xf5"
47 #endif
48 #ifdef CAPSTONE_HAS_MIPS
49 #define MIPS_CODE "\x0C\x10\x00\x97\x00\x00\x00\x00\x24\x02\x00\x0c\x8f\xa2\x00\x00\x34\x21\x34\x56\x00\x80\x04\x08"
50 //#define MIPS_CODE "\x21\x38\x00\x01"
51 //#define MIPS_CODE "\x21\x30\xe6\x70"
52 //#define MIPS_CODE "\x1c\x00\x40\x14"
53 #define MIPS_CODE2 "\x56\x34\x21\x34\xc2\x17\x01\x00"
54 #define MIPS_32R6M "\x00\x07\x00\x07\x00\x11\x93\x7c\x01\x8c\x8b\x7c\x00\xc7\x48\xd0"
55 #define MIPS_32R6 "\xec\x80\x00\x19\x7c\x43\x22\xa0"
56 #endif
57 #ifdef CAPSTONE_HAS_ARM64
58 //#define ARM64_CODE "\xe1\x0b\x40\xb9"	// ldr		w1, [sp, #0x8]
59 //#define ARM64_CODE "\x00\x40\x21\x4b"	// 	sub		w0, w0, w1, uxtw
60 //#define ARM64_CODE "\x21\x7c\x02\x9b"	// mul	x1, x1, x2
61 //#define ARM64_CODE "\x20\x74\x0b\xd5"	// dc	zva, x0
62 //#define ARM64_CODE "\x20\xfc\x02\x9b"	// mneg	x0, x1, x2
63 //#define ARM64_CODE "\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x10\x20\x21\x1e"
64 //#define ARM64_CODE "\x21\x7c\x00\x53"
65 #define ARM64_CODE "\x09\x00\x38\xd5\xbf\x40\x00\xd5\x0c\x05\x13\xd5\x20\x50\x02\x0e\x20\xe4\x3d\x0f\x00\x18\xa0\x5f\xa2\x00\xae\x9e\x9f\x37\x03\xd5\xbf\x33\x03\xd5\xdf\x3f\x03\xd5\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x20\x04\x81\xda\x20\x08\x02\x8b\x10\x5b\xe8\x3c"
66 #endif
67 //#define THUMB_CODE "\x0a\xbf" // itet eq
68 //#define X86_CODE32 "\x77\x04"	// ja +6
69 #ifdef CAPSTONE_HAS_POWERPC
70 #define PPC_CODE "\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"
71 #define PPC_CODE2 "\x10\x60\x2a\x10\x10\x64\x28\x88\x7c\x4a\x5d\x0f"
72 #endif
73 #ifdef CAPSTONE_HAS_SPARC
74 #define SPARC_CODE "\x80\xa0\x40\x02\x85\xc2\x60\x08\x85\xe8\x20\x01\x81\xe8\x00\x00\x90\x10\x20\x01\xd5\xf6\x10\x16\x21\x00\x00\x0a\x86\x00\x40\x02\x01\x00\x00\x00\x12\xbf\xff\xff\x10\xbf\xff\xff\xa0\x02\x00\x09\x0d\xbf\xff\xff\xd4\x20\x60\x00\xd4\x4e\x00\x16\x2a\xc2\x80\x03"
75 #define SPARCV9_CODE "\x81\xa8\x0a\x24\x89\xa0\x10\x20\x89\xa0\x1a\x60\x89\xa0\x00\xe0"
76 #endif
77 #ifdef CAPSTONE_HAS_SYSZ
78 #define SYSZ_CODE "\xed\x00\x00\x00\x00\x1a\x5a\x0f\x1f\xff\xc2\x09\x80\x00\x00\x00\x07\xf7\xeb\x2a\xff\xff\x7f\x57\xe3\x01\xff\xff\x7f\x57\xeb\x00\xf0\x00\x00\x24\xb2\x4f\x00\x78"
79 #endif
80 #ifdef CAPSTONE_HAS_XCORE
81 #define XCORE_CODE "\xfe\x0f\xfe\x17\x13\x17\xc6\xfe\xec\x17\x97\xf8\xec\x4f\x1f\xfd\xec\x37\x07\xf2\x45\x5b\xf9\xfa\x02\x06\x1b\x10"
82 #endif
83 #ifdef CAPSTONE_HAS_M68K
84 #define M68K_CODE "\xd4\x40\x87\x5a\x4e\x71\x02\xb4\xc0\xde\xc0\xde\x5c\x00\x1d\x80\x71\x12\x01\x23\xf2\x3c\x44\x22\x40\x49\x0e\x56\x54\xc5\xf2\x3c\x44\x00\x44\x7a\x00\x00\xf2\x00\x0a\x28"
85 #endif
86 #ifdef CAPSTONE_HAS_M680X
87 #define M680X_CODE "\x06\x10\x19\x1a\x55\x1e\x01\x23\xe9\x31\x06\x34\x55\xa6\x81\xa7\x89\x7f\xff\xa6\x9d\x10\x00\xa7\x91\xa6\x9f\x10\x00\x11\xac\x99\x10\x00\x39"
88 #endif
89 #ifdef CAPSTONE_HAS_MOS65XX
90 #define MOS65XX_CODE "\x0A\x00\xFE\x34\x12\xD0\xFF\xEA\x19\x56\x34\x46\x80"
91 #endif
92 
93 
94 	struct platform platforms[] = {
95 #ifdef CAPSTONE_HAS_X86
96 		{
97 			CS_ARCH_X86,
98 			CS_MODE_16,
99 			(unsigned char *)X86_CODE16,
100 			sizeof(X86_CODE32) - 1,
101 			"X86 16bit (Intel syntax)"
102 		},
103 		{
104 			CS_ARCH_X86,
105 			CS_MODE_32,
106 			(unsigned char *)X86_CODE32,
107 			sizeof(X86_CODE32) - 1,
108 			"X86 32bit (ATT syntax)",
109 			CS_OPT_SYNTAX,
110 			CS_OPT_SYNTAX_ATT,
111 		},
112 		{
113 			CS_ARCH_X86,
114 			CS_MODE_32,
115 			(unsigned char *)X86_CODE32,
116 			sizeof(X86_CODE32) - 1,
117 			"X86 32 (Intel syntax)"
118 		},
119 		{
120 			CS_ARCH_X86,
121 			CS_MODE_64,
122 			(unsigned char *)X86_CODE64,
123 			sizeof(X86_CODE64) - 1,
124 			"X86 64 (Intel syntax)"
125 		},
126 #endif
127 #ifdef CAPSTONE_HAS_ARM
128 		{
129 			CS_ARCH_ARM,
130 			CS_MODE_ARM,
131 			(unsigned char *)ARM_CODE,
132 			sizeof(ARM_CODE) - 1,
133 			"ARM"
134 		},
135 		{
136 			CS_ARCH_ARM,
137 			CS_MODE_THUMB,
138 			(unsigned char *)THUMB_CODE2,
139 			sizeof(THUMB_CODE2) - 1,
140 			"THUMB-2"
141 		},
142 		{
143 			CS_ARCH_ARM,
144 			CS_MODE_ARM,
145 			(unsigned char *)ARM_CODE2,
146 			sizeof(ARM_CODE2) - 1,
147 			"ARM: Cortex-A15 + NEON"
148 		},
149 		{
150 			CS_ARCH_ARM,
151 			CS_MODE_THUMB,
152 			(unsigned char *)THUMB_CODE,
153 			sizeof(THUMB_CODE) - 1,
154 			"THUMB"
155 		},
156 		{
157 			CS_ARCH_ARM,
158 			(cs_mode)(CS_MODE_THUMB + CS_MODE_MCLASS),
159 			(unsigned char*)THUMB_MCLASS,
160 			sizeof(THUMB_MCLASS) - 1,
161 			"Thumb-MClass"
162 		},
163 		{
164 			CS_ARCH_ARM,
165 			(cs_mode)(CS_MODE_ARM + CS_MODE_V8),
166 			(unsigned char*)ARMV8,
167 			sizeof(ARMV8) - 1,
168 			"Arm-V8"
169 		},
170 #endif
171 #ifdef CAPSTONE_HAS_MIPS
172 		{
173 			CS_ARCH_MIPS,
174 			(cs_mode)(CS_MODE_MIPS32 + CS_MODE_BIG_ENDIAN),
175 			(unsigned char *)MIPS_CODE,
176 			sizeof(MIPS_CODE) - 1,
177 			"MIPS-32 (Big-endian)"
178 		},
179 		{
180 			CS_ARCH_MIPS,
181 			(cs_mode)(CS_MODE_MIPS64 + CS_MODE_LITTLE_ENDIAN),
182 			(unsigned char *)MIPS_CODE2,
183 			sizeof(MIPS_CODE2) - 1,
184 			"MIPS-64-EL (Little-endian)"
185 		},
186 		{
187 			CS_ARCH_MIPS,
188 			(cs_mode)(CS_MODE_MIPS32R6 + CS_MODE_MICRO + CS_MODE_BIG_ENDIAN),
189 			(unsigned char*)MIPS_32R6M,
190 			sizeof(MIPS_32R6M) - 1,
191 			"MIPS-32R6 | Micro (Big-endian)"
192 		},
193 		{
194 			CS_ARCH_MIPS,
195 			(cs_mode)(CS_MODE_MIPS32R6 + CS_MODE_BIG_ENDIAN),
196 			(unsigned char*)MIPS_32R6,
197 			sizeof(MIPS_32R6) - 1,
198 			"MIPS-32R6 (Big-endian)"
199 		},
200 #endif
201 #ifdef CAPSTONE_HAS_ARM64
202 		{
203 			CS_ARCH_ARM64,
204 			CS_MODE_ARM,
205 			(unsigned char *)ARM64_CODE,
206 			sizeof(ARM64_CODE) - 1,
207 			"ARM-64"
208 		},
209 #endif
210 #ifdef CAPSTONE_HAS_POWERPC
211 		{
212 			CS_ARCH_PPC,
213 			CS_MODE_BIG_ENDIAN,
214 			(unsigned char*)PPC_CODE,
215 			sizeof(PPC_CODE) - 1,
216 			"PPC-64"
217 		},
218 		{
219 			CS_ARCH_PPC,
220 			CS_MODE_BIG_ENDIAN + CS_MODE_QPX,
221 			(unsigned char*)PPC_CODE2,
222 			sizeof(PPC_CODE2) - 1,
223 			"PPC-64 + QPX",
224 		},
225 #endif
226 #ifdef CAPSTONE_HAS_SPARC
227 		{
228 			CS_ARCH_SPARC,
229 			CS_MODE_BIG_ENDIAN,
230 			(unsigned char*)SPARC_CODE,
231 			sizeof(SPARC_CODE) - 1,
232 			"Sparc"
233 		},
234 		{
235 			CS_ARCH_SPARC,
236 			(cs_mode)(CS_MODE_BIG_ENDIAN + CS_MODE_V9),
237 			(unsigned char*)SPARCV9_CODE,
238 			sizeof(SPARCV9_CODE) - 1,
239 			"SparcV9"
240 		},
241 #endif
242 #ifdef CAPSTONE_HAS_SYSZ
243 		{
244 			CS_ARCH_SYSZ,
245 			(cs_mode)0,
246 			(unsigned char*)SYSZ_CODE,
247 			sizeof(SYSZ_CODE) - 1,
248 			"SystemZ"
249 		},
250 #endif
251 #ifdef CAPSTONE_HAS_XCORE
252 		{
253 			CS_ARCH_XCORE,
254 			(cs_mode)0,
255 			(unsigned char*)XCORE_CODE,
256 			sizeof(XCORE_CODE) - 1,
257 			"XCore"
258 		},
259 #endif
260 #ifdef CAPSTONE_HAS_M68K
261 		{
262 			CS_ARCH_M68K,
263 			(cs_mode)(CS_MODE_BIG_ENDIAN | CS_MODE_M68K_040),
264 			(unsigned char*)M68K_CODE,
265 			sizeof(M68K_CODE) - 1,
266 			"M68K",
267 		},
268 #endif
269 #ifdef CAPSTONE_HAS_M680X
270 		{
271 			CS_ARCH_M680X,
272 			(cs_mode)(CS_MODE_M680X_6809),
273 			(unsigned char*)M680X_CODE,
274 			sizeof(M680X_CODE) - 1,
275 			"M680X_M6809",
276 		},
277 #endif
278 #ifdef CAPSTONE_HAS_MOS65XX
279 		{
280 				CS_ARCH_MOS65XX,
281 				(cs_mode)0,
282 				(unsigned char*)MOS65XX_CODE,
283 				sizeof(MOS65XX_CODE) - 1,
284 				"MOS65XX",
285 		},
286 #endif
287 	};
288 
289 	csh handle;
290 	uint64_t address = 0x1000;
291 	cs_insn *all_insn;
292 	cs_detail *detail;
293 	int i;
294 	size_t count;
295 	cs_err err;
296 
297 	for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
298 		printf("****************\n");
299 		printf("Platform: %s\n", platforms[i].comment);
300 		err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
301 		if (err) {
302 			printf("Failed on cs_open() with error returned: %u\n", err);
303 			abort();
304 		}
305 
306 		if (platforms[i].opt_type)
307 			cs_option(handle, platforms[i].opt_type, platforms[i].opt_value);
308 
309 		cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
310 
311 		count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &all_insn);
312 		if (count) {
313 			size_t j;
314 			int n;
315 
316 			print_string_hex(platforms[i].code, platforms[i].size);
317 			printf("Disasm:\n");
318 
319 			for (j = 0; j < count; j++) {
320 				cs_insn *in = &(all_insn[j]);
321 				printf("0x%" PRIx64 ":\t%s\t\t%s // insn-ID: %u, insn-mnem: %s\n",
322 						in->address, in->mnemonic, in->op_str,
323 						in->id, cs_insn_name(handle, in->id));
324 
325 				// print implicit registers used by this instruction
326 				detail = in->detail;
327 
328 				if (detail->regs_read_count > 0) {
329 					printf("\tImplicit registers read: ");
330 					for (n = 0; n < detail->regs_read_count; n++) {
331 						printf("%s ", cs_reg_name(handle, detail->regs_read[n]));
332 					}
333 					printf("\n");
334 				}
335 
336 				// print implicit registers modified by this instruction
337 				if (detail->regs_write_count > 0) {
338 					printf("\tImplicit registers modified: ");
339 					for (n = 0; n < detail->regs_write_count; n++) {
340 						printf("%s ", cs_reg_name(handle, detail->regs_write[n]));
341 					}
342 					printf("\n");
343 				}
344 
345 				// print the groups this instruction belong to
346 				if (detail->groups_count > 0) {
347 					printf("\tThis instruction belongs to groups: ");
348 					for (n = 0; n < detail->groups_count; n++) {
349 						printf("%s ", cs_group_name(handle, detail->groups[n]));
350 					}
351 					printf("\n");
352 				}
353 			}
354 
355 			// print out the next offset, after the last insn
356 			printf("0x%" PRIx64 ":\n", all_insn[j-1].address + all_insn[j-1].size);
357 
358 			// free memory allocated by cs_disasm()
359 			cs_free(all_insn, count);
360 		} else {
361 			printf("****************\n");
362 			printf("Platform: %s\n", platforms[i].comment);
363 			print_string_hex(platforms[i].code, platforms[i].size);
364 			printf("ERROR: Failed to disasm given code!\n");
365 			abort();
366 		}
367 
368 		printf("\n");
369 
370 		cs_close(&handle);
371 	}
372 }
373 
main()374 int main()
375 {
376 	test();
377 
378 	return 0;
379 }
380