1 /* Capstone testing regression */
2 /* By Do Minh Tuan <tuanit96@gmail.com>, 02-2019 */
3 
4 
5 #include "factory.h"
6 
get_detail_arm64(csh * handle,cs_mode mode,cs_insn * ins)7 char *get_detail_arm64(csh *handle, cs_mode mode, cs_insn *ins)
8 {
9 	cs_arm64 *arm64;
10 	int i;
11 	cs_regs regs_read, regs_write;
12 	uint8_t regs_read_count, regs_write_count;
13 	uint8_t access;
14 	char *result;
15 
16 	result = (char *)malloc(sizeof(char));
17 	result[0] = '\0';
18 
19 	// detail can be NULL if SKIPDATA option is turned ON
20 	if (ins->detail == NULL)
21 		return result;
22 
23 	arm64 = &(ins->detail->arm64);
24 	if (arm64->op_count)
25 		add_str(&result, " ; op_count: %u", arm64->op_count);
26 
27 	for (i = 0; i < arm64->op_count; i++) {
28 		cs_arm64_op *op = &(arm64->operands[i]);
29 		switch(op->type) {
30 			default:
31 				break;
32 			case ARM64_OP_REG:
33 				add_str(&result, " ; operands[%u].type: REG = %s", i, cs_reg_name(*handle, op->reg));
34 				break;
35 			case ARM64_OP_IMM:
36 				add_str(&result, " ; operands[%u].type: IMM = 0x%" PRIx64 "", i, op->imm);
37 				break;
38 			case ARM64_OP_FP:
39 #if defined(_KERNEL_MODE)
40 				// Issue #681: Windows kernel does not support formatting float point
41 				add_str(&result, " ; operands[%u].type: FP = <float_point_unsupported>", i);
42 #else
43 				add_str(&result, " ; operands[%u].type: FP = %f", i, op->fp);
44 #endif
45 				break;
46 			case ARM64_OP_MEM:
47 				add_str(&result, " ; operands[%u].type: MEM", i);
48 				if (op->mem.base != ARM64_REG_INVALID)
49 					add_str(&result, " ; operands[%u].mem.base: REG = %s", i, cs_reg_name(*handle, op->mem.base));
50 				if (op->mem.index != ARM64_REG_INVALID)
51 					add_str(&result, " ; operands[%u].mem.index: REG = %s", i, cs_reg_name(*handle, op->mem.index));
52 				if (op->mem.disp != 0)
53 					add_str(&result, " ; operands[%u].mem.disp: 0x%x", i, op->mem.disp);
54 
55 				break;
56 			case ARM64_OP_CIMM:
57 				add_str(&result, " ; operands[%u].type: C-IMM = %u", i, (int)op->imm);
58 				break;
59 			case ARM64_OP_REG_MRS:
60 				add_str(&result, " ; operands[%u].type: REG_MRS = 0x%x", i, op->reg);
61 				break;
62 			case ARM64_OP_REG_MSR:
63 				add_str(&result, " ; operands[%u].type: REG_MSR = 0x%x", i, op->reg);
64 				break;
65 			case ARM64_OP_PSTATE:
66 				add_str(&result, " ; operands[%u].type: PSTATE = 0x%x", i, op->pstate);
67 				break;
68 			case ARM64_OP_SYS:
69 				add_str(&result, " ; operands[%u].type: SYS = 0x%x", i, op->sys);
70 				break;
71 			case ARM64_OP_PREFETCH:
72 				add_str(&result, " ; operands[%u].type: PREFETCH = 0x%x", i, op->prefetch);
73 				break;
74 			case ARM64_OP_BARRIER:
75 				add_str(&result, " ; operands[%u].type: BARRIER = 0x%x", i, op->barrier);
76 				break;
77 		}
78 
79 		access = op->access;
80 		switch(access) {
81 			default:
82 				break;
83 			case CS_AC_READ:
84 				add_str(&result, " ; operands[%u].access: READ", i);
85 				break;
86 			case CS_AC_WRITE:
87 				add_str(&result, " ; operands[%u].access: WRITE", i);
88 				break;
89 			case CS_AC_READ | CS_AC_WRITE:
90 				add_str(&result, " ; operands[%u].access: READ | WRITE", i);
91 				break;
92 		}
93 
94 		if (op->shift.type != ARM64_SFT_INVALID && op->shift.value)
95 			add_str(&result, " ; Shift: type = %u, value = %u", op->shift.type, op->shift.value);
96 
97 		if (op->ext != ARM64_EXT_INVALID)
98 			add_str(&result, " ; Ext: %u", op->ext);
99 
100 		if (op->vas != ARM64_VAS_INVALID)
101 			add_str(&result, " ; Vector Arrangement Specifier: 0x%x", op->vas);
102 
103 		if (op->vess != ARM64_VESS_INVALID)
104 			add_str(&result, " ; Vector Element Size Specifier: %u", op->vess);
105 
106 		if (op->vector_index != -1)
107 			add_str(&result, " ; Vector Index: %u", op->vector_index);
108 	}
109 
110 	if (arm64->update_flags)
111 		add_str(&result, " ; Update-flags: True");
112 
113 	if (arm64->writeback)
114 		add_str(&result, " ; Write-back: True");
115 
116 	if (arm64->cc)
117 		add_str(&result, " ; Code-condition: %u", arm64->cc);
118 
119 	if (!cs_regs_access(*handle, ins, regs_read, &regs_read_count, regs_write, &regs_write_count)) {
120 		if (regs_read_count) {
121 			add_str(&result, " ; Registers read:");
122 			for(i = 0; i < regs_read_count; i++) {
123 				add_str(&result, " %s", cs_reg_name(*handle, regs_read[i]));
124 			}
125 		}
126 
127 		if (regs_write_count) {
128 			add_str(&result, " ; Registers modified:");
129 			for(i = 0; i < regs_write_count; i++) {
130 				add_str(&result, " %s", cs_reg_name(*handle, regs_write[i]));
131 			}
132 		}
133 	}
134 
135 	return result;
136 }
137