1/* Capstone Disassembler Engine */
2/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2014 */
3
4#include <stdio.h>
5
6#include <platform.h>
7#include <capstone.h>
8
9struct platform {
10	cs_arch arch;
11	cs_mode mode;
12	unsigned char *code;
13	size_t size;
14	char *comment;
15};
16
17static csh handle;
18
19static void print_string_hex(char *comment, unsigned char *str, size_t len)
20{
21	unsigned char *c;
22
23	printf("%s", comment);
24	for (c = str; c < str + len; c++) {
25		printf("0x%02x ", *c & 0xff);
26	}
27
28	printf("\n");
29}
30
31static void print_insn_detail(cs_insn *ins)
32{
33	cs_sparc *sparc;
34	int i;
35
36	// detail can be NULL on "data" instruction if SKIPDATA option is turned ON
37	if (ins->detail == NULL)
38		return;
39
40	sparc = &(ins->detail->sparc);
41	if (sparc->op_count)
42		printf("\top_count: %u\n", sparc->op_count);
43
44	for (i = 0; i < sparc->op_count; i++) {
45		cs_sparc_op *op = &(sparc->operands[i]);
46		switch((int)op->type) {
47			default:
48				break;
49			case SPARC_OP_REG:
50				printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg));
51				break;
52			case SPARC_OP_IMM:
53				printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm);
54				break;
55			case SPARC_OP_MEM:
56				printf("\t\toperands[%u].type: MEM\n", i);
57				if (op->mem.base != X86_REG_INVALID)
58					printf("\t\t\toperands[%u].mem.base: REG = %s\n",
59							i, cs_reg_name(handle, op->mem.base));
60				if (op->mem.index != X86_REG_INVALID)
61					printf("\t\t\toperands[%u].mem.index: REG = %s\n",
62							i, cs_reg_name(handle, op->mem.index));
63				if (op->mem.disp != 0)
64					printf("\t\t\toperands[%u].mem.disp: 0x%x\n", i, op->mem.disp);
65
66				break;
67		}
68	}
69
70	if (sparc->cc != 0)
71		printf("\tCode condition: %u\n", sparc->cc);
72
73	if (sparc->hint != 0)
74		printf("\tHint code: %u\n", sparc->hint);
75
76	printf("\n");
77}
78
79static void test()
80{
81#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"
82
83#define SPARCV9_CODE "\x81\xa8\x0a\x24\x89\xa0\x10\x20\x89\xa0\x1a\x60\x89\xa0\x00\xe0"
84
85	struct platform platforms[] = {
86		{
87			CS_ARCH_SPARC,
88			CS_MODE_BIG_ENDIAN,
89			(unsigned char*)SPARC_CODE,
90			sizeof(SPARC_CODE) - 1,
91			"Sparc",
92		},
93		{
94			CS_ARCH_SPARC,
95			(cs_mode)(CS_MODE_BIG_ENDIAN + CS_MODE_V9),
96			(unsigned char*)SPARCV9_CODE,
97			sizeof(SPARCV9_CODE) - 1,
98			"SparcV9"
99		},
100	};
101
102	uint64_t address = 0x1000;
103	cs_insn *insn;
104	int i;
105	size_t count;
106
107	for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
108		cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
109		if (err) {
110			printf("Failed on cs_open() with error returned: %u\n", err);
111			continue;
112		}
113
114		cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
115
116		count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn);
117		if (count) {
118			size_t j;
119
120			printf("****************\n");
121			printf("Platform: %s\n", platforms[i].comment);
122			print_string_hex("Code:", platforms[i].code, platforms[i].size);
123			printf("Disasm:\n");
124
125			for (j = 0; j < count; j++) {
126				printf("0x%" PRIx64 ":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str);
127				print_insn_detail(&insn[j]);
128			}
129			printf("0x%" PRIx64 ":\n", insn[j-1].address + insn[j-1].size);
130
131			// free memory allocated by cs_disasm()
132			cs_free(insn, count);
133		} else {
134			printf("****************\n");
135			printf("Platform: %s\n", platforms[i].comment);
136			print_string_hex("Code:", platforms[i].code, platforms[i].size);
137			printf("ERROR: Failed to disasm given code!\n");
138		}
139
140		printf("\n");
141
142		cs_close(&handle);
143	}
144}
145
146int main()
147{
148	test();
149
150	return 0;
151}
152