capstone/bindings/python/test_x86.py
2013-12-16 11:19:24 +08:00

126 lines
4.7 KiB
Python
Executable File

#!/usr/bin/env python
# Capstone Python bindings, by Nguyen Anh Quynnh <aquynh@gmail.com>
from capstone import *
from capstone.x86 import *
X86_CODE64 = "\x55\x48\x8b\x05\xb8\x13\x00\x00"
X86_CODE16 = "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00\x05\x23\x01\x00\x00\x36\x8b\x84\x91\x23\x01\x00\x00\x41\x8d\x84\x39\x89\x67\x00\x00\x8d\x87\x89\x67\x00\x00\xb4\xc6"
X86_CODE32 = "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00\x05\x23\x01\x00\x00\x36\x8b\x84\x91\x23\x01\x00\x00\x41\x8d\x84\x39\x89\x67\x00\x00\x8d\x87\x89\x67\x00\x00\xb4\xc6"
all_tests = (
(CS_ARCH_X86, CS_MODE_16, X86_CODE16, "X86 16bit (Intel syntax)", 0),
(CS_ARCH_X86, CS_MODE_32, X86_CODE32, "X86 32 (AT&T syntax)", CS_OPT_SYNTAX_ATT),
(CS_ARCH_X86, CS_MODE_32, X86_CODE32, "X86 32 (Intel syntax)", 0),
(CS_ARCH_X86, CS_MODE_64, X86_CODE64, "X86 64 (Intel syntax)", 0),
)
def to_hex(s):
return " ".join("0x" + "{0:x}".format(ord(c)).zfill(2) for c in s) # <-- Python 3 is OK
def to_x(s):
from struct import pack
if not s: return '0'
x = pack(">q", s).encode('hex')
while x[0] == '0': x = x[1:]
return x
def to_x_32(s):
from struct import pack
if not s: return '0'
x = pack(">i", s).encode('hex')
while x[0] == '0': x = x[1:]
return x
### Test class Cs
def test_class():
def print_string_hex(comment, str):
print(comment),
for c in str:
print("0x%02x" %c),
print
def print_insn_detail(mode, insn):
# print address, mnemonic and operands
print("0x%x:\t%s\t%s" %(insn.address, insn.mnemonic, insn.op_str))
# print instruction prefix
print_string_hex("\tPrefix:", insn.prefix)
# print segment override (if applicable)
if insn.segment != X86_REG_INVALID:
print("\tSegment override: %s" %insn.reg_name(insn.segment))
# print instruction's opcode
print_string_hex("\tOpcode:", insn.opcode)
# print operand's size, address size, displacement size & immediate size
print("\top_size: %u, addr_size: %u, disp_size: %u, imm_size: %u" \
%(insn.op_size, insn.addr_size, insn.disp_size, insn.imm_size))
# print modRM byte
print("\tmodrm: 0x%x" %(insn.modrm))
# print displacement value
print("\tdisp: 0x%s" %to_x_32(insn.disp))
# SIB is not available in 16-bit mode
if (mode & CS_MODE_16 == 0):
# print SIB byte
print("\tsib: 0x%x" %(insn.sib))
if (insn.sib):
print("\tsib_index: %s, sib_scale: %d, sib_base: %s" % (insn.reg_name(insn.sib_index), insn.sib_scale, insn.reg_name(insn.sib_base)))
count = insn.op_count(X86_OP_IMM)
if count > 0:
print("\timm_count: %u" %count)
for i in xrange(count):
op = insn.op_find(X86_OP_IMM, i + 1)
print("\t\timms[%u]: 0x%s" %(i+1, to_x(op.value.imm)))
if len(insn.operands) > 0:
print("\top_count: %u" %len(insn.operands))
c = -1
for i in insn.operands:
c += 1
if i.type == X86_OP_REG:
print("\t\toperands[%u].type: REG = %s" %(c, insn.reg_name(i.value.reg)))
if i.type == X86_OP_IMM:
print("\t\toperands[%u].type: IMM = 0x%s" %(c, to_x(i.value.imm)))
if i.type == X86_OP_FP:
print("\t\toperands[%u].type: FP = %f" %(c, i.value.fp))
if i.type == X86_OP_MEM:
print("\t\toperands[%u].type: MEM" %c)
if i.value.mem.base != 0:
print("\t\t\toperands[%u].mem.base: REG = %s" %(c, insn.reg_name(i.value.mem.base)))
if i.value.mem.index != 0:
print("\t\t\toperands[%u].mem.index: REG = %s" %(c, insn.reg_name(i.value.mem.index)))
if i.value.mem.scale != 1:
print("\t\t\toperands[%u].mem.scale: %u" %(c, i.value.mem.scale))
if i.value.mem.disp != 0:
print("\t\t\toperands[%u].mem.disp: 0x%s" %(c, to_x(i.value.mem.disp)))
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 != 0:
md.syntax = syntax
for insn in md.disasm(code, 0x1000):
print_insn_detail(mode, insn)
print
print ("0x%x:\n" % (insn.address + insn.size))
except CsError as e:
print("ERROR: %s" %e)
test_class()