Mercurial > lcfOS
view test/testx86asm.py @ 317:e30a77ae359b
Added glue blocks
author | Windel Bouwman |
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date | Sun, 22 Dec 2013 15:50:59 +0100 |
parents | 534b94b40aa8 |
children | 3b0c495e3008 |
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#!/usr/bin/python import unittest from testasm import AsmTestCaseBase class AssemblerTestCase(AsmTestCaseBase): """ test methods start with 'test*' Checks several assembly constructs agains their bytecodes """ def setUp(self): self.skipTest('not implemented yet') self.assembler = Assembler('x86-64') a = Assembler() @unittest.skip def testX86(self): self.feed('mov rax, rbx') # ; 0x48, 0x89, 0xd8 self.feed('xor rcx, rbx') # ; 0x48, 0x31, 0xd9 self.feed('inc rcx') # ; 0x48 0xff 0xc1 self.check('48 89 d8 48 31 d9 48 ff c1') def tstAssembler(self): """ Check all kind of assembler cases """ assert(assembler.shortjump(5) == [0xeb, 0x5]) assert(assembler.shortjump(-2) == [0xeb, 0xfc]) assert(assembler.shortjump(10,'GE') == [0x7d, 0xa]) assert(assembler.nearjump(5) == [0xe9, 0x5,0x0,0x0,0x0]) assert(assembler.nearjump(-2) == [0xe9, 0xf9, 0xff,0xff,0xff]) assert(assembler.nearjump(10,'LE') == [0x0f, 0x8e, 0xa,0x0,0x0,0x0]) def testCall(self): self.feed('call r10') self.check('') self.feed('call rcx') # assert(assembler.call('r10') == [0x41, 0xff, 0xd2]) # assert(assembler.call('rcx') == [0xff, 0xd1]) def testXOR(self): assert(assembler.xorreg64('rax', 'rax') == [0x48, 0x31, 0xc0]) assert(assembler.xorreg64('r9', 'r8') == [0x4d, 0x31, 0xc1]) assert(assembler.xorreg64('rbx', 'r11') == [0x4c, 0x31, 0xdb]) def testINC(self): assert(assembler.increg64('r11') == [0x49, 0xff, 0xc3]) assert(assembler.increg64('rcx') == [0x48, 0xff, 0xc1]) def testPush(self): assert(assembler.push('rbp') == [0x55]) assert(assembler.push('rbx') == [0x53]) assert(assembler.push('r12') == [0x41, 0x54]) def testPop(self): self.feed('pop rbx') self.feed('pop rbp') self.feed('pop r12') assert(assembler.pop('rbx') == [0x5b]) assert(assembler.pop('rbp') == [0x5d]) assert(assembler.pop('r12') == [0x41, 0x5c]) def testAsmLoads(self): # TODO constant add testcases assert(assembler.mov('rbx', 'r14') == [0x4c, 0x89, 0xf3]) assert(assembler.mov('r12', 'r8') == [0x4d, 0x89, 0xc4]) assert(assembler.mov('rdi', 'rsp') == [0x48, 0x89, 0xe7]) def testAsmMemLoads(self): assert(assembler.mov('rax', ['r8','r15',0x11]) == [0x4b,0x8b,0x44,0x38,0x11]) assert(assembler.mov('r13', ['rbp','rcx',0x23]) == [0x4c,0x8b,0x6c,0xd,0x23]) assert(assembler.mov('r9', ['rbp',-0x33]) == [0x4c,0x8b,0x4d,0xcd]) #assert(assembler.movreg64('rbx', ['rax']) == [0x48, 0x8b,0x18]) assert(assembler.mov('rax', [0xb000]) == [0x48,0x8b,0x4,0x25,0x0,0xb0,0x0,0x0]) assert(assembler.mov('r11', [0xa0]) == [0x4c,0x8b,0x1c,0x25,0xa0,0x0,0x0,0x0]) assert(assembler.mov('r11', ['RIP', 0xf]) == [0x4c,0x8b,0x1d,0x0f,0x0,0x0,0x0]) def testAsmMemStores(self): assert(assembler.mov(['rbp', 0x13],'rbx') == [0x48,0x89,0x5d,0x13]) assert(assembler.mov(['r12', 0x12],'r9') == [0x4d,0x89,0x4c,0x24,0x12]) assert(assembler.mov(['rcx', 0x11],'r14') == [0x4c,0x89,0x71,0x11]) assert(assembler.mov([0xab], 'rbx') == [0x48,0x89,0x1c,0x25,0xab,0x0,0x0,0x0]) assert(assembler.mov([0xcd], 'r13') == [0x4c,0x89,0x2c,0x25,0xcd,0x0,0x0,0x0]) assert(assembler.mov(['RIP', 0xf], 'r9') == [0x4c,0x89,0x0d,0x0f,0x0,0x0,0x0]) def testAsmMOV8(self): assert(assembler.mov(['rbp', -8], 'al') == [0x88, 0x45, 0xf8]) assert(assembler.mov(['r11', 9], 'cl') == [0x41, 0x88, 0x4b, 0x09]) assert(assembler.mov(['rbx'], 'al') == [0x88, 0x03]) assert(assembler.mov(['r11'], 'dl') == [0x41, 0x88, 0x13]) def testAsmLea(self): assert(assembler.leareg64('r11', ['RIP', 0xf]) == [0x4c,0x8d,0x1d,0x0f,0x0,0x0,0x0]) assert(assembler.leareg64('rsi', ['RIP', 0x7]) == [0x48,0x8d,0x35,0x07,0x0,0x0,0x0]) assert(assembler.leareg64('rcx', ['rbp', -8]) == [0x48,0x8d,0x4d,0xf8]) def testAssemblerCMP(self): assert(assembler.cmpreg64('rdi', 'r13') == [0x4c, 0x39, 0xef]) assert(assembler.cmpreg64('rbx', 'r14') == [0x4c, 0x39, 0xf3]) assert(assembler.cmpreg64('r12', 'r9') == [0x4d, 0x39, 0xcc]) assert(assembler.cmpreg64('rdi', 1) == [0x48, 0x83, 0xff, 0x01]) assert(assembler.cmpreg64('r11', 2) == [0x49, 0x83, 0xfb, 0x02]) def testAssemblerADD(self): assert(assembler.addreg64('rbx', 'r13') == [0x4c, 0x01, 0xeb]) assert(assembler.addreg64('rax', 'rbx') == [0x48, 0x01, 0xd8]) assert(assembler.addreg64('r12', 'r13') == [0x4d, 0x01, 0xec]) assert(assembler.addreg64('rbx', 0x13) == [0x48, 0x83, 0xc3, 0x13]) assert(assembler.addreg64('r11', 0x1234567) == [0x49, 0x81, 0xc3, 0x67, 0x45,0x23,0x1]) assert(assembler.addreg64('rsp', 0x33) == [0x48, 0x83, 0xc4, 0x33]) def testAssemblerSUB(self): assert(assembler.subreg64('rdx', 'r14') == [0x4c, 0x29, 0xf2]) assert(assembler.subreg64('r15', 'rbx') == [0x49, 0x29, 0xdf]) assert(assembler.subreg64('r8', 'r9') == [0x4d, 0x29, 0xc8]) assert(assembler.subreg64('rsp', 0x123456) == [0x48, 0x81, 0xec, 0x56,0x34,0x12,0x0]) assert(assembler.subreg64('rsp', 0x12) == [0x48, 0x83, 0xec, 0x12]) def testAssemblerIDIV(self): assert(assembler.idivreg64('r11') == [0x49, 0xf7, 0xfb]) assert(assembler.idivreg64('rcx') == [0x48, 0xf7, 0xf9]) assert(assembler.idivreg64('rsp') == [0x48, 0xf7, 0xfc]) def testAssemblerIMUL(self): assert(assembler.imulreg64_rax('rdi') == [0x48, 0xf7, 0xef]) assert(assembler.imulreg64_rax('r10') == [0x49, 0xf7, 0xea]) assert(assembler.imulreg64_rax('rdx') == [0x48, 0xf7, 0xea]) assert(assembler.imulreg64('r11', 'rdi') == [0x4c, 0xf, 0xaf, 0xdf]) assert(assembler.imulreg64('r12', 'rbx') == [0x4c, 0xf, 0xaf, 0xe3]) # nasm generates this machine code: 0x4d, 0x6b, 0xff, 0xee # This also works: 4D0FAFFE (another variant?? ) assert(assembler.imulreg64('r15', 'r14') == [0x4d, 0x0f, 0xaf, 0xfe]) if __name__ == '__main__': unittest.main()