1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
#!/usr/bin/env python
# Capstone Python bindings, by Nguyen Anh Quynnh <aquynh@gmail.com>
from __future__ import print_function
from capstone import *
from capstone.arm import *
from xprint import to_hex, to_x_32
ARM_CODE = b"\x86\x48\x60\xf4\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\x00\x02\x01\xf1\x05\x40\xd0\xe8\xf4\x80\x00\x00"
ARM_CODE2 = b"\xd1\xe8\x00\xf0\xf0\x24\x04\x07\x1f\x3c\xf2\xc0\x00\x00\x4f\xf0\x00\x01\x46\x6c"
THUMB_CODE = b"\x70\x47\x00\xf0\x10\xe8\xeb\x46\x83\xb0\xc9\x68\x1f\xb1\x30\xbf\xaf\xf3\x20\x84\x52\xf8\x23\xf0"
THUMB_CODE2 = b"\x4f\xf0\x00\x01\xbd\xe8\x00\x88\xd1\xe8\x00\xf0\x18\xbf\xad\xbf\xf3\xff\x0b\x0c\x86\xf3\x00\x89\x80\xf3\x00\x8c\x4f\xfa\x99\xf6\xd0\xff\xa2\x01"
THUMB_MCLASS = b"\xef\xf3\x02\x80"
ARMV8 = b"\xe0\x3b\xb2\xee\x42\x00\x01\xe1\x51\xf0\x7f\xf5"
all_tests = (
(CS_ARCH_ARM, CS_MODE_ARM, ARM_CODE, "ARM", None),
(CS_ARCH_ARM, CS_MODE_THUMB, THUMB_CODE, "Thumb", None),
(CS_ARCH_ARM, CS_MODE_THUMB, ARM_CODE2, "Thumb-mixed", None),
(CS_ARCH_ARM, CS_MODE_THUMB, THUMB_CODE2, "Thumb-2 & register named with numbers", CS_OPT_SYNTAX_NOREGNAME),
(CS_ARCH_ARM, CS_MODE_THUMB + CS_MODE_MCLASS, THUMB_MCLASS, "Thumb-MClass", None),
(CS_ARCH_ARM, CS_MODE_ARM + CS_MODE_V8, ARMV8, "Arm-V8", None),
)
def print_insn_detail(insn):
# print address, mnemonic and operands
print("0x%x:\t%s\t%s" % (insn.address, insn.mnemonic, insn.op_str))
# "data" instruction generated by SKIPDATA option has no detail
if insn.id == 0:
return
if len(insn.operands) > 0:
print("\top_count: %u" % len(insn.operands))
c = 0
for i in insn.operands:
if i.type == ARM_OP_REG:
print("\t\toperands[%u].type: REG = %s" % (c, insn.reg_name(i.reg)))
if i.type == ARM_OP_IMM:
print("\t\toperands[%u].type: IMM = 0x%s" % (c, to_x_32(i.imm)))
if i.type == ARM_OP_PIMM:
print("\t\toperands[%u].type: P-IMM = %u" % (c, i.imm))
if i.type == ARM_OP_CIMM:
print("\t\toperands[%u].type: C-IMM = %u" % (c, i.imm))
if i.type == ARM_OP_FP:
print("\t\toperands[%u].type: FP = %f" % (c, i.fp))
if i.type == ARM_OP_SYSREG:
print("\t\toperands[%u].type: SYSREG = %u" % (c, i.reg))
if i.type == ARM_OP_SETEND:
if i.setend == ARM_SETEND_BE:
print("\t\toperands[%u].type: SETEND = be" % c)
else:
print("\t\toperands[%u].type: SETEND = le" % c)
if i.type == ARM_OP_MEM:
print("\t\toperands[%u].type: MEM" % c)
if i.mem.base != 0:
print("\t\t\toperands[%u].mem.base: REG = %s" \
% (c, insn.reg_name(i.mem.base)))
if i.mem.index != 0:
print("\t\t\toperands[%u].mem.index: REG = %s" \
% (c, insn.reg_name(i.mem.index)))
if i.mem.scale != 1:
print("\t\t\toperands[%u].mem.scale: %u" \
% (c, i.mem.scale))
if i.mem.disp != 0:
print("\t\t\toperands[%u].mem.disp: 0x%s" \
% (c, to_x_32(i.mem.disp)))
if i.mem.lshift != 0:
print("\t\t\toperands[%u].mem.lshift: 0x%s" \
% (c, to_x_32(i.mem.lshift)))
if i.neon_lane != -1:
print("\t\toperands[%u].neon_lane = %u" % (c, i.neon_lane))
if i.access == CS_AC_READ:
print("\t\toperands[%u].access: READ\n" % (c))
elif i.access == CS_AC_WRITE:
print("\t\toperands[%u].access: WRITE\n" % (c))
elif i.access == CS_AC_READ | CS_AC_WRITE:
print("\t\toperands[%u].access: READ | WRITE\n" % (c))
if i.shift.type != ARM_SFT_INVALID and i.shift.value:
print("\t\t\tShift: %u = %u" \
% (i.shift.type, i.shift.value))
if i.vector_index != -1:
print("\t\t\toperands[%u].vector_index = %u" %(c, i.vector_index))
if i.subtracted:
print("\t\t\toperands[%u].subtracted = True" %c)
c += 1
if insn.update_flags:
print("\tUpdate-flags: True")
if insn.writeback:
print("\tWrite-back: True")
if not insn.cc in [ARM_CC_AL, ARM_CC_INVALID]:
print("\tCode condition: %u" % insn.cc)
if insn.cps_mode:
print("\tCPSI-mode: %u" %(insn.cps_mode))
if insn.cps_flag:
print("\tCPSI-flag: %u" %(insn.cps_flag))
if insn.vector_data:
print("\tVector-data: %u" %(insn.vector_data))
if insn.vector_size:
print("\tVector-size: %u" %(insn.vector_size))
if insn.usermode:
print("\tUser-mode: True")
if insn.mem_barrier:
print("\tMemory-barrier: %u" %(insn.mem_barrier))
(regs_read, regs_write) = insn.regs_access()
if len(regs_read) > 0:
print("\tRegisters read:", end="")
for r in regs_read:
print(" %s" %(insn.reg_name(r)), end="")
print("")
if len(regs_write) > 0:
print("\tRegisters modified:", end="")
for r in regs_write:
print(" %s" %(insn.reg_name(r)), end="")
print("")
# ## Test class Cs
def test_class():
for (arch, mode, code, comment, syntax) in all_tests:
print("*" * 16)
print("Platform: %s" % comment)
print("Code: %s" % to_hex(code))
print("Disasm:")
try:
md = Cs(arch, mode)
if syntax is not None:
md.syntax = syntax
md.detail = True
for insn in md.disasm(code, 0x80001000):
print_insn_detail(insn)
print ()
except CsError as e:
print("ERROR: %s" % e)
if __name__ == '__main__':
test_class()
|
