1 /* Second-Best Disassembler Engine */
2 /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
3
4 #include <stdio.h>
5 #include <stdlib.h>
6
7 #include <capstone.h>
8
9 void print_string_hex(char *comment, unsigned char *str, size_t len);
10
print_insn_detail_x86(csh ud,cs_mode mode,cs_insn * ins)11 void print_insn_detail_x86(csh ud, cs_mode mode, cs_insn *ins)
12 {
13 int count, i;
14 cs_x86 *x86;
15
16 // detail can be NULL on "data" instruction if SKIPDATA option is turned ON
17 if (ins->detail == NULL)
18 return;
19
20 x86 = &(ins->detail->x86);
21
22 print_string_hex("\tPrefix:", x86->prefix, 4);
23
24 print_string_hex("\tOpcode:", x86->opcode, 4);
25
26 printf("\trex: 0x%x\n", x86->rex);
27
28 printf("\taddr_size: %u\n", x86->addr_size);
29 printf("\tmodrm: 0x%x\n", x86->modrm);
30 printf("\tdisp: 0x%x\n", x86->disp);
31
32 // SIB is not available in 16-bit mode
33 if ((mode & CS_MODE_16) == 0) {
34 printf("\tsib: 0x%x\n", x86->sib);
35 if (x86->sib_base != X86_REG_INVALID)
36 printf("\t\tsib_base: %s\n", cs_reg_name(ud, x86->sib_base));
37 if (x86->sib_index != X86_REG_INVALID)
38 printf("\t\tsib_index: %s\n", cs_reg_name(ud, x86->sib_index));
39 if (x86->sib_scale != 0)
40 printf("\t\tsib_scale: %d\n", x86->sib_scale);
41 }
42
43 // SSE code condition
44 if (x86->sse_cc != X86_SSE_CC_INVALID) {
45 printf("\tsse_cc: %u\n", x86->sse_cc);
46 }
47
48 // AVX code condition
49 if (x86->avx_cc != X86_AVX_CC_INVALID) {
50 printf("\tavx_cc: %u\n", x86->avx_cc);
51 }
52
53 // AVX Suppress All Exception
54 if (x86->avx_sae) {
55 printf("\tavx_sae: %u\n", x86->avx_sae);
56 }
57
58 // AVX Rounding Mode
59 if (x86->avx_rm != X86_AVX_RM_INVALID) {
60 printf("\tavx_rm: %u\n", x86->avx_rm);
61 }
62
63 count = cs_op_count(ud, ins, X86_OP_IMM);
64 if (count > 0) {
65 printf("\timm_count: %u\n", count);
66 for (i = 1; i < count + 1; i++) {
67 int index = cs_op_index(ud, ins, X86_OP_IMM, i);
68 printf("\t\timms[%u]: 0x%" PRIx64 "\n", i, x86->operands[index].imm);
69 }
70 }
71
72 if (x86->op_count)
73 printf("\top_count: %u\n", x86->op_count);
74 for (i = 0; i < x86->op_count; i++) {
75 cs_x86_op *op = &(x86->operands[i]);
76
77 switch((int)op->type) {
78 case X86_OP_REG:
79 printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(ud, op->reg));
80 break;
81 case X86_OP_IMM:
82 printf("\t\toperands[%u].type: IMM = 0x%" PRIx64 "\n", i, op->imm);
83 break;
84 case X86_OP_MEM:
85 printf("\t\toperands[%u].type: MEM\n", i);
86 if (op->mem.segment != X86_REG_INVALID)
87 printf("\t\t\toperands[%u].mem.segment: REG = %s\n", i, cs_reg_name(ud, op->mem.segment));
88 if (op->mem.base != X86_REG_INVALID)
89 printf("\t\t\toperands[%u].mem.base: REG = %s\n", i, cs_reg_name(ud, op->mem.base));
90 if (op->mem.index != X86_REG_INVALID)
91 printf("\t\t\toperands[%u].mem.index: REG = %s\n", i, cs_reg_name(ud, op->mem.index));
92 if (op->mem.scale != 1)
93 printf("\t\t\toperands[%u].mem.scale: %u\n", i, op->mem.scale);
94 if (op->mem.disp != 0)
95 printf("\t\t\toperands[%u].mem.disp: 0x%" PRIx64 "\n", i, op->mem.disp);
96 break;
97 default:
98 break;
99 }
100
101 // AVX broadcast type
102 if (op->avx_bcast != X86_AVX_BCAST_INVALID)
103 printf("\t\toperands[%u].avx_bcast: %u\n", i, op->avx_bcast);
104
105 // AVX zero opmask {z}
106 if (op->avx_zero_opmask != false)
107 printf("\t\toperands[%u].avx_zero_opmask: TRUE\n", i);
108
109 printf("\t\toperands[%u].size: %u\n", i, op->size);
110 }
111 }
112