|
191
|
1 #!/usr/bin/python
|
|
|
2
|
|
|
3 import unittest
|
|
|
4
|
|
|
5
|
|
|
6 class AssemblerTestCase(unittest.TestCase):
|
|
|
7 """
|
|
|
8 test methods start with 'test*'
|
|
|
9 Checks several assembly constructs agains their bytecodes
|
|
|
10 """
|
|
|
11 def setUp(self):
|
|
|
12 self.skipTest('not implemented yet')
|
|
|
13 self.assembler = Assembler('x86-64')
|
|
|
14
|
|
|
15 def tstAssembler(self):
|
|
|
16 """ Check all kind of assembler cases """
|
|
|
17 assert(assembler.shortjump(5) == [0xeb, 0x5])
|
|
|
18 assert(assembler.shortjump(-2) == [0xeb, 0xfc])
|
|
|
19 assert(assembler.shortjump(10,'GE') == [0x7d, 0xa])
|
|
|
20 assert(assembler.nearjump(5) == [0xe9, 0x5,0x0,0x0,0x0])
|
|
|
21 assert(assembler.nearjump(-2) == [0xe9, 0xf9, 0xff,0xff,0xff])
|
|
|
22 assert(assembler.nearjump(10,'LE') == [0x0f, 0x8e, 0xa,0x0,0x0,0x0])
|
|
|
23
|
|
|
24 def testCall(self):
|
|
|
25 assert(assembler.call('r10') == [0x41, 0xff, 0xd2])
|
|
|
26 assert(assembler.call('rcx') == [0xff, 0xd1])
|
|
|
27 def testXOR(self):
|
|
|
28 assert(assembler.xorreg64('rax', 'rax') == [0x48, 0x31, 0xc0])
|
|
|
29 assert(assembler.xorreg64('r9', 'r8') == [0x4d, 0x31, 0xc1])
|
|
|
30 assert(assembler.xorreg64('rbx', 'r11') == [0x4c, 0x31, 0xdb])
|
|
|
31
|
|
|
32 def testINC(self):
|
|
|
33 assert(assembler.increg64('r11') == [0x49, 0xff, 0xc3])
|
|
|
34 assert(assembler.increg64('rcx') == [0x48, 0xff, 0xc1])
|
|
|
35
|
|
|
36 def testPush(self):
|
|
|
37 assert(assembler.push('rbp') == [0x55])
|
|
|
38 assert(assembler.push('rbx') == [0x53])
|
|
|
39 assert(assembler.push('r12') == [0x41, 0x54])
|
|
|
40 def testPop(self):
|
|
|
41 assert(assembler.pop('rbx') == [0x5b])
|
|
|
42 assert(assembler.pop('rbp') == [0x5d])
|
|
|
43 assert(assembler.pop('r12') == [0x41, 0x5c])
|
|
|
44
|
|
|
45 def testAsmLoads(self):
|
|
|
46 # TODO constant add testcases
|
|
|
47 assert(assembler.mov('rbx', 'r14') == [0x4c, 0x89, 0xf3])
|
|
|
48 assert(assembler.mov('r12', 'r8') == [0x4d, 0x89, 0xc4])
|
|
|
49 assert(assembler.mov('rdi', 'rsp') == [0x48, 0x89, 0xe7])
|
|
|
50
|
|
|
51 def testAsmMemLoads(self):
|
|
|
52 assert(assembler.mov('rax', ['r8','r15',0x11]) == [0x4b,0x8b,0x44,0x38,0x11])
|
|
|
53 assert(assembler.mov('r13', ['rbp','rcx',0x23]) == [0x4c,0x8b,0x6c,0xd,0x23])
|
|
|
54
|
|
|
55 assert(assembler.mov('r9', ['rbp',-0x33]) == [0x4c,0x8b,0x4d,0xcd])
|
|
|
56 #assert(assembler.movreg64('rbx', ['rax']) == [0x48, 0x8b,0x18])
|
|
|
57
|
|
|
58 assert(assembler.mov('rax', [0xb000]) == [0x48,0x8b,0x4,0x25,0x0,0xb0,0x0,0x0])
|
|
|
59 assert(assembler.mov('r11', [0xa0]) == [0x4c,0x8b,0x1c,0x25,0xa0,0x0,0x0,0x0])
|
|
|
60
|
|
|
61 assert(assembler.mov('r11', ['RIP', 0xf]) == [0x4c,0x8b,0x1d,0x0f,0x0,0x0,0x0])
|
|
|
62
|
|
|
63 def testAsmMemStores(self):
|
|
|
64 assert(assembler.mov(['rbp', 0x13],'rbx') == [0x48,0x89,0x5d,0x13])
|
|
|
65 assert(assembler.mov(['r12', 0x12],'r9') == [0x4d,0x89,0x4c,0x24,0x12])
|
|
|
66 assert(assembler.mov(['rcx', 0x11],'r14') == [0x4c,0x89,0x71,0x11])
|
|
|
67
|
|
|
68
|
|
|
69 assert(assembler.mov([0xab], 'rbx') == [0x48,0x89,0x1c,0x25,0xab,0x0,0x0,0x0])
|
|
|
70 assert(assembler.mov([0xcd], 'r13') == [0x4c,0x89,0x2c,0x25,0xcd,0x0,0x0,0x0])
|
|
|
71
|
|
|
72 assert(assembler.mov(['RIP', 0xf], 'r9') == [0x4c,0x89,0x0d,0x0f,0x0,0x0,0x0])
|
|
|
73
|
|
|
74 def testAsmMOV8(self):
|
|
|
75 assert(assembler.mov(['rbp', -8], 'al') == [0x88, 0x45, 0xf8])
|
|
|
76 assert(assembler.mov(['r11', 9], 'cl') == [0x41, 0x88, 0x4b, 0x09])
|
|
|
77
|
|
|
78 assert(assembler.mov(['rbx'], 'al') == [0x88, 0x03])
|
|
|
79 assert(assembler.mov(['r11'], 'dl') == [0x41, 0x88, 0x13])
|
|
|
80
|
|
|
81 def testAsmLea(self):
|
|
|
82 assert(assembler.leareg64('r11', ['RIP', 0xf]) == [0x4c,0x8d,0x1d,0x0f,0x0,0x0,0x0])
|
|
|
83 assert(assembler.leareg64('rsi', ['RIP', 0x7]) == [0x48,0x8d,0x35,0x07,0x0,0x0,0x0])
|
|
|
84
|
|
|
85 assert(assembler.leareg64('rcx', ['rbp', -8]) == [0x48,0x8d,0x4d,0xf8])
|
|
|
86
|
|
|
87 def testAssemblerCMP(self):
|
|
|
88 assert(assembler.cmpreg64('rdi', 'r13') == [0x4c, 0x39, 0xef])
|
|
|
89 assert(assembler.cmpreg64('rbx', 'r14') == [0x4c, 0x39, 0xf3])
|
|
|
90 assert(assembler.cmpreg64('r12', 'r9') == [0x4d, 0x39, 0xcc])
|
|
|
91
|
|
|
92 assert(assembler.cmpreg64('rdi', 1) == [0x48, 0x83, 0xff, 0x01])
|
|
|
93 assert(assembler.cmpreg64('r11', 2) == [0x49, 0x83, 0xfb, 0x02])
|
|
|
94 def testAssemblerADD(self):
|
|
|
95 assert(assembler.addreg64('rbx', 'r13') == [0x4c, 0x01, 0xeb])
|
|
|
96 assert(assembler.addreg64('rax', 'rbx') == [0x48, 0x01, 0xd8])
|
|
|
97 assert(assembler.addreg64('r12', 'r13') == [0x4d, 0x01, 0xec])
|
|
|
98
|
|
|
99 assert(assembler.addreg64('rbx', 0x13) == [0x48, 0x83, 0xc3, 0x13])
|
|
|
100 assert(assembler.addreg64('r11', 0x1234567) == [0x49, 0x81, 0xc3, 0x67, 0x45,0x23,0x1])
|
|
|
101 assert(assembler.addreg64('rsp', 0x33) == [0x48, 0x83, 0xc4, 0x33])
|
|
|
102
|
|
|
103 def testAssemblerSUB(self):
|
|
|
104 assert(assembler.subreg64('rdx', 'r14') == [0x4c, 0x29, 0xf2])
|
|
|
105 assert(assembler.subreg64('r15', 'rbx') == [0x49, 0x29, 0xdf])
|
|
|
106 assert(assembler.subreg64('r8', 'r9') == [0x4d, 0x29, 0xc8])
|
|
|
107
|
|
|
108 assert(assembler.subreg64('rsp', 0x123456) == [0x48, 0x81, 0xec, 0x56,0x34,0x12,0x0])
|
|
|
109 assert(assembler.subreg64('rsp', 0x12) == [0x48, 0x83, 0xec, 0x12])
|
|
|
110
|
|
|
111 def testAssemblerIDIV(self):
|
|
|
112 assert(assembler.idivreg64('r11') == [0x49, 0xf7, 0xfb])
|
|
|
113 assert(assembler.idivreg64('rcx') == [0x48, 0xf7, 0xf9])
|
|
|
114 assert(assembler.idivreg64('rsp') == [0x48, 0xf7, 0xfc])
|
|
|
115
|
|
|
116 def testAssemblerIMUL(self):
|
|
|
117 assert(assembler.imulreg64_rax('rdi') == [0x48, 0xf7, 0xef])
|
|
|
118 assert(assembler.imulreg64_rax('r10') == [0x49, 0xf7, 0xea])
|
|
|
119 assert(assembler.imulreg64_rax('rdx') == [0x48, 0xf7, 0xea])
|
|
|
120
|
|
|
121 assert(assembler.imulreg64('r11', 'rdi') == [0x4c, 0xf, 0xaf, 0xdf])
|
|
|
122 assert(assembler.imulreg64('r12', 'rbx') == [0x4c, 0xf, 0xaf, 0xe3])
|
|
|
123 # nasm generates this machine code: 0x4d, 0x6b, 0xff, 0xee
|
|
|
124 # This also works: 4D0FAFFE (another variant?? )
|
|
|
125 assert(assembler.imulreg64('r15', 'r14') == [0x4d, 0x0f, 0xaf, 0xfe])
|
|
|
126
|
|
|
127
|
|
|
128 if __name__ == '__main__':
|
|
|
129 unittest.main()
|
|
|
130
|
