Esempio n. 1
0
 def _(bs):
     assert bs.flow.stack.pop() is type_impl.Int
     assert bs.flow.stack.pop() is self
     bs.code += isa.pop(registers.rdi)
     bs.code += isa.shl(registers.rdi, 3)
     bs.code += isa.mov(registers.rax, util.malloc_addr)
     bs.code += isa.call(registers.rax)
     bs.code += isa.push(registers.rax)
     bs.flow.stack.append(Raw)
Esempio n. 2
0
 def _(bs):
     assert bs.flow.stack.pop() is type_impl.Int
     assert bs.flow.stack.pop() is self
     bs.code += isa.pop(registers.rdi)
     bs.code += isa.shl(registers.rdi, 3)
     bs.code += isa.mov(registers.rax, util.malloc_addr)
     bs.code += isa.call(registers.rax)
     bs.code += isa.push(registers.rax)
     bs.flow.stack.append(Raw)
Esempio n. 3
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rbx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rax)

            bs.code += isa.shl(registers.rbx, 3)
            bs.code += isa.add(registers.rax, registers.rbx)

            bs.code += isa.push(MemRef(registers.rax))
            bs.flow.stack.append(type_impl.Int)
Esempio n. 4
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rbx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rax)

            bs.code += isa.shl(registers.rbx, 3)
            bs.code += isa.add(registers.rax, registers.rbx)

            bs.code += isa.push(MemRef(registers.rax))
            bs.flow.stack.append(type_impl.Int)
Esempio n. 5
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rcx)
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rbx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rax)

            bs.code += isa.shl(registers.rbx, 3)
            bs.code += isa.add(registers.rax, registers.rbx)

            bs.code += isa.mov(MemRef(registers.rax), registers.rcx)

            type_impl.NoneType.load()(bs)
Esempio n. 6
0
 def _(bs):
     assert bs.flow.stack.pop() is type_impl.Int
     bs.code += isa.pop(registers.rcx)
     assert bs.flow.stack.pop() is self
     bs.code += isa.pop(registers.rbx)
     
     bs.code += isa.add(registers.rbx, registers.rcx)
     
     bs.code += isa.mov(regsisters.rax, 0)
     bs.code += isa.mov(registers.ax, MemRef(registers.rbx, data_size=8))
     bs.code += isa.shl(registers.rax, 8)
     bs.code += isa.mov(registers.ax, 2 * 1 + 1)
     
     bs.flow.stack.append(type_impl.Str)
Esempio n. 7
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rcx)
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rbx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rax)

            bs.code += isa.shl(registers.rbx, 3)
            bs.code += isa.add(registers.rax, registers.rbx)

            bs.code += isa.mov(MemRef(registers.rax), registers.rcx)

            type_impl.NoneType.load()(bs)
Esempio n. 8
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rcx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rbx)

            bs.code += isa.add(registers.rbx, registers.rcx)

            bs.code += isa.mov(regsisters.rax, 0)
            bs.code += isa.mov(registers.ax, MemRef(registers.rbx,
                                                    data_size=8))
            bs.code += isa.shl(registers.rax, 8)
            bs.code += isa.mov(registers.ax, 2 * 1 + 1)

            bs.flow.stack.append(type_impl.Str)
Esempio n. 9
0
 def _(bs):
     assert bs.flow.stack.pop() is type_impl.Int
     bs.code += isa.pop(registers.r14)
     assert bs.flow.stack.pop() is Raw
     bs.code += isa.pop(registers.r13)
     assert bs.flow.stack.pop() is self
     bs.code += isa.pop(registers.r12)
     
     bs.code += isa.shl(registers.r14, 3)
     
     bs.code += isa.mov(registers.rdi, registers.r12)
     bs.code += isa.mov(registers.rsi, registers.r13)
     bs.code += isa.mov(registers.rdx, registers.r14)
     bs.code += isa.mov(registers.rax, ctypes.cast(ctypes.memmove, ctypes.c_void_p).value)	
     bs.code += isa.call(registers.rax)
     
     bs.this.append(type_impl.NoneType.load())
Esempio n. 10
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.r14)
            assert bs.flow.stack.pop() is Raw
            bs.code += isa.pop(registers.r13)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.r12)

            bs.code += isa.shl(registers.r14, 3)

            bs.code += isa.mov(registers.rdi, registers.r12)
            bs.code += isa.mov(registers.rsi, registers.r13)
            bs.code += isa.mov(registers.rdx, registers.r14)
            bs.code += isa.mov(
                registers.rax,
                ctypes.cast(ctypes.memmove, ctypes.c_void_p).value)
            bs.code += isa.call(registers.rax)

            bs.this.append(type_impl.NoneType.load())
Esempio n. 11
0
        def _(bs):
            type = bs.flow.stack.pop()
            for i, reg in zip(xrange(type.size), [registers.r11, registers.r12, registers.r13, registers.r14]):
                bs.code += isa.pop(reg)
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rbx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rax)

            bs.code += isa.shl(registers.rbx, 3)
            bs.code += isa.add(registers.rax, registers.rbx)

            bs.code += isa.mov(MemRef(registers.rax), type.id)

            for i, reg in zip(xrange(type.size), [registers.r11, registers.r12, registers.r13, registers.r14]):
                bs.code += isa.mov(MemRef(registers.rax, i * 8 + 8), reg)

            bs.code += isa.push(1 + type.size)
            bs.flow.stack.append(type_impl.Int)
Esempio n. 12
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.r13)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.r12)

            bs.code += isa.shl(registers.r13, 3)
            bs.code += isa.add(registers.r12, registers.r13)

            bs.code += isa.push(MemRef(registers.r12))

            def _(value):
                def _(bs):
                    type = type_impl.id_to_type[value]
                    for i in reversed(xrange(type.size)):
                        bs.code += isa.push(MemRef(registers.r12, i * 8 + 8))
                    bs.flow.stack.append(type)

                return _

            util.unlift(bs, _, "RawLoadObjectMeth.call")
Esempio n. 13
0
        def _(bs):
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.r13)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.r12)

            bs.code += isa.shl(registers.r13, 3)
            bs.code += isa.add(registers.r12, registers.r13)

            bs.code += isa.push(MemRef(registers.r12))

            def _(value):
                def _(bs):
                    type = type_impl.id_to_type[value]
                    for i in reversed(xrange(type.size)):
                        bs.code += isa.push(MemRef(registers.r12, i * 8 + 8))
                    bs.flow.stack.append(type)

                return _

            util.unlift(bs, _, "RawLoadObjectMeth.call")
Esempio n. 14
0
        def _(bs):
            type = bs.flow.stack.pop()
            for i, reg in zip(
                    xrange(type.size),
                [registers.r11, registers.r12, registers.r13, registers.r14]):
                bs.code += isa.pop(reg)
            assert bs.flow.stack.pop() is type_impl.Int
            bs.code += isa.pop(registers.rbx)
            assert bs.flow.stack.pop() is self
            bs.code += isa.pop(registers.rax)

            bs.code += isa.shl(registers.rbx, 3)
            bs.code += isa.add(registers.rax, registers.rbx)

            bs.code += isa.mov(MemRef(registers.rax), type.id)

            for i, reg in zip(
                    xrange(type.size),
                [registers.r11, registers.r12, registers.r13, registers.r14]):
                bs.code += isa.mov(MemRef(registers.rax, i * 8 + 8), reg)

            bs.code += isa.push(1 + type.size)
            bs.flow.stack.append(type_impl.Int)
Esempio n. 15
0
def Test():
    verify(x86.xor(ebx, eax), [0x31, 0xC3])
    verify(x86.add(ebx, ebx), [0x01, 0xdb])
    verify(x86.add(ebx, r13d), [0x44, 0x01, 0xeb])
    verify(x86.add(r13d, ebx), [0x41, 0x01, 0xdd])
    verify(x86.xor(rax, r15), [0x4c, 0x31, 0xf8])
    verify(x86.xor(r15, rax), [0x49, 0x31, 0xc7])
    verify(x86.xor(r13, r13), [0x4d, 0x31, 0xed])
    verify(x86.mov(rax, 0xDEADDEADBEEFl),
           [0x48, 0xb8, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
    verify(x86.mov(r11, 0xDEADDEADBEEFl),
           [0x49, 0xbb, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
    verify(x86.mov(r12, 0xDEADDEADBEEFl),
           [0x49, 0xbc, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
    verify(x86.mov(r13, 0xDEADDEADBEEFl),
           [0x49, 0xbd, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
    verify(x86.mov(r14, 0xDEADDEADBEEFl),
           [0x49, 0xbe, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
    verify(x86.mov(r15, 0xDEADDEADBEEFl),
           [0x49, 0xbf, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
    verify(x86.add(r15, 0xBEEF), [0x49, 0x81, 0xc7, 0xef, 0xbe, 0x00, 0x00])
    verify(x86.add(r8, 0xA), [0x49, 0x83, 0xc0, 0x0a])
    verify(x86.mov(r8, MemRef(rbx, 3)), [0x4c, 0x8b, 0x43, 0x03])
    verify(x86.mov(rax, MemRef(r9, 3)), [0x49, 0x8b, 0x41, 0x03])
    verify(x86.mov(rcx, MemRef(rsp)), [0x48, 0x8b, 0x0c, 0x24])
    verify(x86.mov(rbx, MemRef(rsp)), [0x48, 0x8b, 0x1c, 0x24])
    verify(x86.mov(rdx, MemRef(rbp, 64)), [0x48, 0x8b, 0x55, 0x40])
    verify(x86.mov(rdi, MemRef(rbp)), [0x48, 0x8b, 0x7d, 0x00])
    verify(x86.mov(rdx, MemRef(rax, 64, r10, 4)),
           [0x4a, 0x8b, 0x54, 0x90, 0x40])
    verify(x86.mov(rdx, MemRef(r14, 24, rbx, 2)),
           [0x49, 0x8b, 0x54, 0x5e, 0x18])
    verify(x86.add(MemRef(rsp), 16), [0x48, 0x83, 0x04, 0x24, 0x10])
    verify(x86.add(MemRef(rsp), r15), [0x4c, 0x01, 0x3c, 0x24])
    verify(x86.call(MemRef(r12)), [0x41, 0xff, 0x14, 0x24])
    verify(x86.cmpxchg8b(MemRef(rax)), [0x0f, 0xc7, 0x08])
    verify(x86.cmpxchg8b(MemRef(r8)), [0x41, 0x0f, 0xc7, 0x08])
    verify(x86.cmpxchg16b(MemRef(rax, data_size=128)),
           [0x48, 0x0f, 0xc7, 0x08])
    verify(x86.cmpxchg16b(MemRef(r8, data_size=128)), [0x49, 0x0f, 0xc7, 0x08])
    verify(x86.add(MemRef(rbp), 5), [0x48, 0x83, 0x45, 0x00, 0x05])
    verify(x86.add(MemRef(rbp), 0x1EADBEEF),
           [0x48, 0x81, 0x45, 0x00, 0xef, 0xbe, 0xad, 0x1e])
    verify(x86.call(MemRef(rdx)), [0xff, 0x12])
    verify(x86.dec(rax), [0x48, 0xff, 0xc8])
    verify(x86.dec(MemRef(rax)), [0x48, 0xff, 0x08])
    verify(x86.dec(MemRef(r15)), [0x49, 0xff, 0x0f])
    verify(x86.div(rax), [0x48, 0xf7, 0xf0])
    verify(x86.div(r13), [0x49, 0xf7, 0xf5])
    verify(x86.div(MemRef(rax)), [0x48, 0xf7, 0x30])
    verify(x86.div(MemRef(r13)), [0x49, 0xf7, 0x75, 0x00])
    verify(x86.jmp(rax), [0x48, 0xff, 0xe0])
    verify(x86.jmp(MemRef(r13)), [0x41, 0xff, 0x65, 0x00])
    verify(x86.jmp(MemRef(rax)), [0xff, 0x20])
    verify(x86.lea(rdx, MemRef(r14, 24, rbx, 2, data_size=None)),
           [0x49, 0x8d, 0x54, 0x5e, 0x18])
    verify(x86.loop(-4), [0xe2, 0xfc])
    verify(x86.mov(r13, -0x1EADBEEFDEADBEEF),
           [0x49, 0xbd, 0x11, 0x41, 0x52, 0x21, 0x10, 0x41, 0x52, 0xe1])
    verify(x86.shld(rax, r15, cl), [0x4c, 0x0f, 0xa5, 0xf8])
    verify(x86.movd(xmm8, r15), [0x66, 0x4d, 0x0f, 0x6e, 0xc7])
    verify(x86.addpd(xmm11, xmm10), [0x66, 0x45, 0x0f, 0x58, 0xda])
    verify(x86.addpd(xmm11, MemRef(rdx, data_size=128)),
           [0x66, 0x44, 0x0f, 0x58, 0x1a])
    verify(x86.cmpxchg8b(MemRef(eax)), [0x67, 0x0f, 0xc7, 0x08])
    verify(x86.mov(r8, MemRef(ebx, 3)), [0x67, 0x4c, 0x8b, 0x43, 0x03])
    verify(x86.mov(rax, MemRef(r9d, 3)), [0x67, 0x49, 0x8b, 0x41, 0x03])
    verify(x86.mov(rdx, MemRef(ebp, 64)), [0x67, 0x48, 0x8b, 0x55, 0x40])
    verify(x86.mov(rdx, MemRef(eax, 64, r10d, 4)),
           [0x67, 0x4a, 0x8b, 0x54, 0x90, 0x40])
    verify(x86.mov(rdx, MemRef(r14d, 24, ebx, 2)),
           [0x67, 0x49, 0x8b, 0x54, 0x5e, 0x18])
    verify(x86.add(MemRef(rbp, data_size=32), 5), [0x83, 0x45, 0x00, 0x05])
    verify(x86.add(MemRef(rbp, data_size=32), 0x1EADBEEF),
           [0x81, 0x45, 0x00, 0xef, 0xbe, 0xad, 0x1e])
    verify(x86.add(ebp, 8), [0x83, 0xc5, 0x08])
    verify(x86.add(r15d, 8), [0x41, 0x83, 0xc7, 0x08])
    verify(x86.add(r15d, 0x1EADBEEF),
           [0x41, 0x81, 0xc7, 0xef, 0xbe, 0xad, 0x1e])
    verify(x86.mov(r8d, 0x1EADBEEF), [0x41, 0xb8, 0xef, 0xbe, 0xad, 0x1e])
    verify(x86.add(ax, r9w), [0x66, 0x44, 0x01, 0xc8])
    verify(x86.add(eax, r9d), [0x44, 0x01, 0xc8])
    verify(x86.add(rax, MemRef(rbp, -8)), [0x48, 0x03, 0x45, 0xf8])
    verify(x86.cmplepd(xmm11, xmm10), [0x66, 0x45, 0x0f, 0xc2, 0xda, 0x02])
    verify(x86.pextrw(eax, xmm7, 2), [0x66, 0x0f, 0xc5, 0xc7, 0x02])
    verify(x86.mov(rax, MemRef(rip, 128)),
           [0x48, 0x8b, 0x05, 0x80, 0x00, 0x00, 0x00])
    verify(x86.mov(MemRef(rip, 128), rax),
           [0x48, 0x89, 0x05, 0x80, 0x00, 0x00, 0x00])
    verify(x86.mov(eax, MemRef(rip, 128, data_size=32)),
           [0x8b, 0x05, 0x80, 0x00, 0x00, 0x00])
    verify(x86.mov(rax, MemRef(128)),
           [0x48, 0x8b, 0x04, 0x25, 0x80, 0x00, 0x00, 0x00])
    verify(x86.mov(rax, MemRef(rbp)), [0x48, 0x8b, 0x45, 0x00])
    verify(x86.mov(rbx, MemRef(rbp, index=rdx, scale=2)),
           [0x48, 0x8b, 0x5c, 0x55, 0x00])
    verify(x86.mov(rbx, MemRef(rdi, index=rdx, scale=2)),
           [0x48, 0x8b, 0x1c, 0x57])
    verify(x86.mov(rbx, MemRef(rsp, index=rdx, scale=2)),
           [0x48, 0x8b, 0x1c, 0x54])
    verify(x86.mov(rax, MemRef(rbp, 0, index=rdx, scale=2)),
           [0x48, 0x8b, 0x44, 0x55, 0x00])
    verify(x86.mov(eax, MemRef(ebp, data_size=32)), [0x67, 0x8b, 0x45, 0x00])
    verify(x86.and_(al, bl), [0x20, 0xd8])
    verify(x86.and_(al, ch), [0x20, 0xe8])
    verify(x86.and_(al, sil), [0x40, 0x20, 0xf0])
    verify(x86.and_(al, spl), [0x40, 0x20, 0xe0])
    verify(x86.and_(bpl, MemRef(rax, data_size=8)), [0x40, 0x22, 0x28])
    verify(x86.invlpg(MemRef(rax, data_size=8)), [0x0F, 0x01, 0x38])
    verify(x86.rdtscp(), [0x0F, 0x01, 0xF9])
    verify(x86.cmove(rcx, rdx), [0x48, 0x0F, 0x44, 0xCA])
    verify(x86.cmove(ecx, edx), [0x0F, 0x44, 0xCA])
    verify(x86.cmove(cx, dx), [0x66, 0x0F, 0x44, 0xCA])
    verify(x86.shld(rax, rbx, cl), [0x48, 0x0F, 0xA5, 0xD8])
    verify(x86.shld(eax, ebx, cl), [0x0F, 0xA5, 0xD8])
    verify(x86.shld(ax, bx, cl), [0x66, 0x0F, 0xA5, 0xD8])
    verify(x86.shld(rax, rbx, 4), [0x48, 0x0F, 0xA4, 0xD8, 0x04])
    verify(x86.shld(eax, ebx, 4), [0x0F, 0xA4, 0xD8, 0x04])
    verify(x86.shld(ax, bx, 4), [0x66, 0x0F, 0xA4, 0xD8, 0x04])
    verify(x86.imul(rax, rdx, 0x100000),
           [0x48, 0x69, 0xC2, 0x00, 0x00, 0x10, 0x00])
    verify(x86.imul(rax, rdx, 0x10), [0x48, 0x6B, 0xC2, 0x10])
    verify(x86.imul(eax, edx, 0x100000), [0x69, 0xC2, 0x00, 0x00, 0x10, 0x00])
    verify(x86.imul(ax, dx, 0x1000), [0x66, 0x69, 0xC2, 0x00, 0x10])
    verify(x86.shl(rax, 1), [0x48, 0xD1, 0xE0])
    verify(x86.add(eax, 1), [0x83, 0xC0, 0x01])
    verify(x86.mov(r15, 4), [0x49, 0xC7, 0xC7, 0x04, 0x00, 0x00, 0x00])

    print

    verify(x86.cvtss2si(r9d, xmm0), [0xf3, 0x44, 0x0f, 0x2d, 0xc8])
    verify(x86.cvttsd2si(r9d, xmm0), [0xf2, 0x44, 0x0f, 0x2c, 0xc8])
    verify(x86.cvttss2si(r9d, xmm0), [0xf3, 0x44, 0x0f, 0x2c, 0xc8])
    verify(x86.movmskpd(eax, xmm9), [0x66, 0x41, 0x0F, 0x50, 0xC1])
    verify(x86.pmovmskb(eax, xmm9), [0x66, 0x41, 0x0F, 0xD7, 0xC1])
    verify(x86.pextrw(ebx, xmm12, 4), [0x66, 0x41, 0x0F, 0xC5, 0xDC, 0x04])
    verify(x86.pinsrw(xmm12, ebx, 4), [0x66, 0x44, 0x0F, 0xC4, 0xE3, 0x04])
    verify(x86.movd(ecx, xmm5), [0x66, 0x0F, 0x7E, 0xE9])
    verify(x86.movd(xmm5, edx), [0x66, 0x0F, 0x6E, 0xEA])
    verify(x86.movd(xmm5, rdx), [0x66, 0x48, 0x0F, 0x6E, 0xEA])

    print

    verify(x86.cvtsi2sd(xmm0, r9), [0xF3, 0x49, 0x0F, 0x2A, 0xC1])
    verify(x86.cvtss2si(r9, xmm0), [0xF3, 0x4C, 0x0F, 0x2D, 0xC8])
    verify(x86.cvttsd2si(r9, xmm0), [0xF2, 0x4C, 0x0F, 0x2C, 0xC8])
    verify(x86.cvttss2si(r9, xmm0), [0xF3, 0x4C, 0x0F, 0x2C, 0xC8])
    verify(x86.movd(rcx, xmm5), [0x66, 0x48, 0x0F, 0x7E, 0xE9])
    verify(x86.movd(xmm5, rdx), [0x66, 0x48, 0x0F, 0x6E, 0xEA])

    print

    verify(x86.pmovmskb(eax, mm1), [0x0F, 0xD7, 0xC1])
    verify(x86.pmovmskb(rax, mm1), [0x48, 0x0F, 0xD7, 0xC1])
    verify(x86.movd(rcx, mm5), [0x48, 0x0F, 0x7E, 0xE9])
    verify(x86.movd(mm5, rdx), [0x48, 0x0F, 0x6E, 0xEA])

    return
Esempio n. 16
0
import corepy.arch.x86_64.isa as x86
from corepy.arch.x86_64.types.registers import *

import corepy.arch.x86_64.platform as env
from corepy.arch.x86_64.lib.memory import MemRef
import corepy.arch.x86_64.lib.iterators as iter


prgm = env.Program()
code = prgm.get_stream()
proc = env.Processor()

# Generate sub-stream
# Multiple rax by 2, add 1
subcode = prgm.get_stream()
subcode.add(x86.shl(rax, 1))
subcode.add(x86.add(rax, 1))

# Initialize a register, insert code
code.add(x86.mov(rax, 5))
code.add(subcode)

# Add 3, insert again
code.add(x86.add(rax, 3))
code.add(subcode)

prgm.add(code)
prgm.print_code()
ret = proc.execute(prgm, mode = 'int')
print "ret", ret
Esempio n. 17
0
def Test():
    code = env.InstructionStream()
    proc = env.Processor()
    params = env.ExecParams()
    params.p1 = 3
    mr32 = MemRef(rbp, 16, data_size=32)
    mr8 = MemRef(rbp, 16, data_size=8)

    lbl1 = code.get_label("lbl1")
    lbl2 = code.get_label("lbl2")

    code.add(x86.xor(rax, rax))

    code.add(x86.cmp(rax, 1))
    code.add(x86.jne(lbl1))

    code.add(x86.ud2())
    code.add(x86.ud2())

    code.add(lbl1)
    code.add(x86.cmp(rax, 1))
    code.add(x86.je(lbl2))
    code.add(x86.add(rax, 12))
    code.add(lbl2)

    # printer.PrintInstructionStream(code, printer.x86_64_Nasm(function_name="foobar"))
    ret = proc.execute(code)
    print "ret", ret
    assert (ret == 12)

    print "W00T"

    code.reset()

    code.add(x86.xor(rax, rax))

    code.add(x86.cmp(rax, 1))
    code.add(x86.jne(28))

    code.add(x86.ud2())
    code.add(x86.ud2())

    code.add(x86.cmp(eax, 1))
    code.add(x86.je(37))
    code.add(x86.add(rax, 12))

    code.print_code(hex=True, pro=True, epi=True)
    print "a"
    ret = proc.execute(code)
    print "b"
    print "ret", ret
    assert (ret == 12)

    print "w00t 2"

    code.reset()

    call_lbl = code.get_label("call_fn")

    code.add(x86.xor(rax, rax))
    code.add(x86.call(call_lbl))
    code.add(x86.jmp(code.lbl_epilogue))
    code.add(x86.mov(rax, 75))
    code.add(x86.mov(rax, 42))
    code.add(call_lbl)
    code.add(x86.mov(rax, 15))
    code.add(x86.ret())

    code.print_code()
    ret = proc.execute(code)
    print "ret", ret
    assert (ret == 15)

    code.reset()

    fwd_lbl = code.get_label("FORWARD")
    bck_lbl = code.get_label("BACKWARD")

    code.add(x86.xor(rax, rax))
    code.add(bck_lbl)
    code.add(x86.cmp(rax, 1))
    code.add(x86.jne(fwd_lbl))
    for i in xrange(0, 65):
        code.add(x86.pop(r15))
    code.add(fwd_lbl)

    ret = proc.execute(code, mode='int')
    assert (ret == 0)

    code.reset()

    loop_lbl = code.get_label("LOOP")
    out_lbl = code.get_label("OUT")
    skip_lbl = code.get_label("SKIP")

    code.add(x86.xor(rax, rax))
    code.add(loop_lbl)
    for i in range(0, 1):
        for i in xrange(0, 24):
            code.add(x86.add(r15, MemRef(rsp, 4)))

        code.add(x86.add(rax, 4))
        code.add(x86.cmp(rax, 20))
        code.add(x86.je(out_lbl))

        for i in xrange(0, 24):
            code.add(x86.add(r15, MemRef(rsp, 4)))

        code.add(x86.cmp(rax, 32))
        code.add(x86.jne(loop_lbl))

    code.add(out_lbl)

    code.add(x86.jmp(skip_lbl))
    for i in xrange(0, 2):
        code.add(x86.add(r15, MemRef(rsp, 4)))
    code.add(skip_lbl)

    ret = proc.execute(code, mode='int')
    print "ret", ret
    assert (ret == 20)

    code.reset()

    loop_lbl = code.get_label("LOOP")
    else_lbl = code.get_label("ELSE")
    finish_lbl = code.get_label("finish")

    code.add(x86.mov(rax, 0))
    code.add(x86.mov(rdx, 0))

    code.add(loop_lbl)

    code.add(x86.add(rax, 1))
    code.add(x86.cmp(rax, 16))
    code.add(x86.jge(finish_lbl))

    code.add(x86.add(rdx, rax))
    code.add(x86.mov(r8, rdx))
    code.add(x86.and_(r8, 0x1))
    code.add(x86.jnz(else_lbl))

    code.add(x86.add(rdx, 1))
    code.add(x86.jmp(loop_lbl))

    code.add(else_lbl)
    code.add(x86.add(rdx, r8))
    code.add(x86.jmp(loop_lbl))

    code.add(finish_lbl)
    code.add(x86.mov(rax, rdx))

    ret = proc.execute(code, mode='int')
    print "ret", ret
    assert (ret == 135)

    code.reset()

    loop_lbl = code.get_label("LOOP")

    code.add(x86.xor(rax, rax))
    code.add(x86.xor(rcx, rcx))
    code.add(x86.mov(rdx, 1))

    code.add(loop_lbl)
    code.add(x86.inc(rax))
    code.add(x86.cmp(rax, 7))
    code.add(x86.cmove(rcx, rdx))
    code.add(x86.jrcxz(loop_lbl))

    code.print_code(hex=True)
    ret = proc.execute(code, mode='int')
    print "ret", ret
    assert (ret == 7)

    code.reset()

    code.add(x86.mov(rax, MemRef(rbp, 16)))
    code.add(x86.xor(rbx, rbx))
    code.add(x86.mov(rbx, -1))
    code.add(x86.mov(cl, 1))
    code.add(x86.shld(rax, rbx, cl))
    code.print_code(hex=True)
    ret = proc.execute(code, params=params, mode='int')
    print "ret", ret
    assert (ret == 7)

    # code.reset()

    # code.add(x86.add(eax, 200))
    # code.add(x86.xor(eax, eax))
    # code.add(x86.add(al, 32))
    # code.add(x86.add(bl, 32))
    # code.add(x86.xor(bl, bl))
    # code.add(x86.mov(mr8, al))
    # code.add(x86.add(mr32, 0))
    # code.add(x86.mov(eax, mr32))
    # code.add(x86.mov(al, mr8))
    #
    # code.add(x86.imul(ax, ax, 4))
    # code.add(x86.imul(eax, ebx, 10))
    # code.add(x86.mov(cx, 1232))
    # code.add(x86.sub(ax, cx))
    # code.add(x86.xor(eax,eax))
    # code.add(x86.mov(eax,ebx))
    # code.add(x86.clc())
    # code.add(x86.rcl(eax, 1))
    # code.add(x86.rcr(eax, 1))

    # #ret = proc.execute(code, debug = True, params = params)
    # id1 = proc.execute(code, params = params, mode = 'int', async = True)
    # id2 = proc.execute(code, params = params, mode = 'int', async = True)
    # ret = proc.execute(code, params = params, mode = 'int')
    # print "Return main thread: %d" % (ret)
    # assert(ret == 1280)
    # ret = proc.join(id1)
    # print "Return thread 1: %d" % (ret)
    # assert(ret == 1280)
    # ret = proc.join(id2)
    # print "Return thread 2: %d" % (ret)
    # assert(ret == 1280)

    code.reset()

    code.add(x86.fldpi())
    code.add(x86.pxor(xmm0, xmm0))
    code.add(x86.fld1())
    code.add(x86.fadd(st0, st0))
    code.add(x86.fmulp())
    code.add(x86.fsin())
    code.add(x86.fcos())
    code.add(x86.fld1())
    code.add(x86.fyl2xp1())

    # x86_64 now uses xmm0 to return floats, not st0.  So here, just make room
    # on the stack, convert the FP result to an int and store it on the stack,
    # then pop it into rax, the int return register.
    code.add(x86.push(rax))
    code.add(x86.fistp(MemRef(rsp)))
    code.add(x86.pop(rax))

    code.print_code(hex=True)
    ret = proc.execute(code, params=params, mode='int')
    assert (ret == 1)
    print "Return main thread: %d" % (ret)

    code.reset()

    lbl_ok = code.get_label("OK")
    code.add(x86.emms())
    code.add(x86.movd(xmm0, mr32))
    code.add(x86.mov(ebx, mr32))

    code.add(x86.cmp(ebx, 3))
    code.add(x86.je(lbl_ok))
    code.add(x86.movd(eax, xmm0))
    code.add(x86.cmp(eax, 3))
    code.add(x86.je(lbl_ok))
    code.add(x86.ud2())

    code.add(lbl_ok)
    code.add(x86.xor(eax, eax))
    code.add(x86.movd(xmm1, ebx))
    code.add(x86.paddq(xmm0, xmm1))
    code.add(x86.pextrw(ecx, xmm0, 0))
    code.add(x86.pinsrw(mm1, ecx, 0))
    code.add(x86.movq2dq(xmm0, mm1))
    code.add(x86.movdq2q(mm2, xmm0))
    code.add(x86.movd(edx, mm2))
    code.add(x86.movd(xmm5, edx))
    code.add(x86.movd(ecx, xmm5))
    code.add(x86.pinsrw(xmm6, ecx, 0))
    code.add(x86.movd(eax, xmm6))

    code.print_code(hex=True)
    ret = proc.execute(code, params=params, mode='int')
    print "Return main thread: %d" % (ret)
    assert (ret == 6)

    code.reset()

    # Test immediate size encodings
    code.add(x86.add(eax, 300))
    code.add(x86.add(ax, 300))
    code.add(x86.add(ax, 30))
    code.add(x86.mov(eax, 16))
    code.add(x86.mov(eax, 300))

    code.reset()
    code.add(x86.add(eax, 0xDEADBEEF))
    code.add(x86.add(ebx, 0xDEADBEEF))
    code.print_code(hex=True)

    # Try the LOCK prefix
    code.reset()
    code.add(x86.xor(eax, eax))
    code.add(x86.add(mr32, eax))
    code.add(x86.add(mr32, eax, lock=True))
    #code.print_code(hex = True)

    proc.execute(code, params=params)

    code.reset()

    code.add(x86.mov(edx, 0x1234))
    code.add(x86.mov(eax, 0xFFFF))
    code.add(x86.xchg(edx, eax))

    code.print_code(hex=True)
    ret = proc.execute(code, params=params)
    print "ret:", ret
    assert (ret == 0x1234)

    code.reset()

    code.add(x86.mov(rax, rsp))
    code.add(x86.pushfq())
    code.add(x86.sub(rax, rsp))
    code.add(x86.add(rsp, rax))

    code.print_code(hex=True)
    ret = proc.execute(code, params=params)
    print "ret:", ret
    assert (ret == 8)

    code.reset()

    data = extarray.extarray('H', xrange(0, 16))

    # code.add(x86.push(rdi))
    code.add(x86.mov(rdi, data.buffer_info()[0]))
    code.add(x86.movaps(xmm1, MemRef(rdi, data_size=128)))
    code.add(x86.pextrw(rax, xmm1, 0))
    code.add(x86.pextrw(rbx, xmm1, 1))
    code.add(x86.pextrw(rcx, xmm1, 2))
    code.add(x86.pextrw(rdx, xmm1, 3))
    code.add(x86.shl(rbx, 16))
    code.add(x86.shl(rcx, 32))
    code.add(x86.shl(rdx, 48))
    code.add(x86.or_(rax, rbx))
    code.add(x86.or_(rax, rcx))
    code.add(x86.or_(rax, rdx))
    # code.add(x86.pop(rdi))

    code.print_code(hex=True)
    ret = proc.execute(code, mode='int')
    print "ret %x" % ret
    assert (ret == 0x0003000200010000)

    code.reset()
    L1 = code.get_label("L1")
    code.add(x86.xor(rax, rax))
    code.add(x86.mov(rcx, 3))
    code.add(L1)
    code.add(x86.add(rax, 1))
    code.add(x86.loop(L1))

    code.print_code(hex=True)
    ret = proc.execute(code, mode='int')
    print "ret %x" % ret
    assert (ret == 0x03)

    return
Esempio n. 18
0
def Test():
    prgm = env.Program()
    code = prgm.get_stream()
    proc = env.Processor()
    params = env.ExecParams()
    params.p1 = 3

    lbl1 = prgm.get_label("lbl1")
    lbl2 = prgm.get_label("lbl2")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))

    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.jne(lbl1))

    code.add(x86.ud2())
    code.add(x86.ud2())

    code.add(lbl1)
    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.je(lbl2))
    code.add(x86.add(prgm.gp_return, 12))
    code.add(lbl2)

    prgm.add(code)
    #prgm.print_code(pro = True, epi = True, hex = True) 
    ret = proc.execute(prgm, mode = 'int')
    print "ret", ret
    assert(ret == 12)

    prgm.reset()
    code.reset()

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))

    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.jne(28))

    code.add(x86.ud2())
    code.add(x86.ud2())

    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.je(37))
    code.add(x86.add(prgm.gp_return, 12))

    prgm.add(code)
    prgm.print_code(hex = True, pro = True, epi = True) 
    ret = proc.execute(prgm)
    print "ret", ret
    assert(ret == 12)

    prgm.reset()
    code.reset()

    call_lbl = prgm.get_label("call_fn")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(x86.call(call_lbl))
    code.add(x86.jmp(prgm.lbl_epilogue))
    code.add(x86.mov(prgm.gp_return, 75))
    code.add(x86.mov(prgm.gp_return, 42))
    code.add(call_lbl)
    code.add(x86.mov(prgm.gp_return, 15))
    code.add(x86.ret())

    prgm.add(code)
    prgm.print_code()
    ret = proc.execute(prgm, mode = 'int')
    print "ret", ret
    assert(ret == 15)


    prgm.reset()
    code.reset()

    fwd_lbl = prgm.get_label("FORWARD")
    bck_lbl = prgm.get_label("BACKWARD")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(bck_lbl)
    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.jne(fwd_lbl))
    r_foo = prgm.acquire_register()
    for i in xrange(0, 65):
      code.add(x86.pop(r_foo))
    prgm.release_register(r_foo)
    code.add(fwd_lbl)

    prgm.add(code)
    ret = proc.execute(prgm, mode = 'int')
    print "ret", ret
    assert(ret == 0)


    prgm.reset()
    code.reset()

    loop_lbl = prgm.get_label("LOOP")
    out_lbl = prgm.get_label("OUT")
    skip_lbl = prgm.get_label("SKIP")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(loop_lbl)
    r_foo = prgm.acquire_register()
    for i in range(0, 1):
      for i in xrange(0, 24):
        code.add(x86.add(r_foo, MemRef(rsp, 4)))

      code.add(x86.add(prgm.gp_return, 4))
      code.add(x86.cmp(prgm.gp_return, 20))
      code.add(x86.je(out_lbl))

      for i in xrange(0, 24):
        code.add(x86.add(r_foo, MemRef(rsp, 4)))

      code.add(x86.cmp(prgm.gp_return, 32))
      code.add(x86.jne(loop_lbl))

    code.add(out_lbl)

    code.add(x86.jmp(skip_lbl))
    for i in xrange(0, 2):
      code.add(x86.add(r_foo, MemRef(rsp, 4)))
    code.add(skip_lbl)

    prgm.release_register(r_foo)
    prgm.add(code)
    ret = proc.execute(prgm, mode = 'int')
    print "ret", ret
    assert(ret == 20)


    prgm.reset()
    code.reset()

    r_tmp = prgm.acquire_registers(2)

    loop_lbl = prgm.get_label("LOOP")
    else_lbl = prgm.get_label("ELSE")
    finish_lbl = prgm.get_label("finish")

    code.add(x86.mov(prgm.gp_return, 0))
    code.add(x86.mov(r_tmp[0], 0))

    code.add(loop_lbl)

    code.add(x86.add(prgm.gp_return, 1))
    code.add(x86.cmp(prgm.gp_return, 16))
    code.add(x86.jge(finish_lbl))

    code.add(x86.add(r_tmp[0], prgm.gp_return))
    code.add(x86.mov(r_tmp[1], r_tmp[0]))
    code.add(x86.and_(r_tmp[1], 0x1))
    code.add(x86.jnz(else_lbl))

    code.add(x86.add(r_tmp[0], 1))
    code.add(x86.jmp(loop_lbl))

    code.add(else_lbl)
    code.add(x86.add(r_tmp[0], r_tmp[1]))
    code.add(x86.jmp(loop_lbl))

    code.add(finish_lbl)
    code.add(x86.mov(prgm.gp_return, r_tmp[0]))

    prgm.release_registers(r_tmp)

    prgm.add(code)
    ret = proc.execute(prgm, mode = 'int')
    print "ret", ret
    assert(ret == 135)


    prgm.reset()
    code.reset()

    loop_lbl = prgm.get_label("LOOP")

    r_one = prgm.acquire_register()
    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(x86.xor(rcx, rcx))
    code.add(x86.mov(r_one, 1))

    code.add(loop_lbl)
    code.add(x86.inc(prgm.gp_return))
    code.add(x86.cmp(prgm.gp_return, 7))
    code.add(x86.cmove(rcx, r_one))
    code.add(x86.jrcxz(loop_lbl))

    prgm.release_register(r_one)

    prgm.add(code)
    prgm.print_code(hex = True)
    ret = proc.execute(prgm, mode = 'int')
    print "ret", ret
    assert(ret == 7)


    prgm.reset()
    code.reset()

    r_tmp = prgm.acquire_register()
    code.add(x86.mov(prgm.gp_return, rdi))
    code.add(x86.xor(r_tmp, r_tmp))
    code.add(x86.mov(r_tmp, -1))
    code.add(x86.mov(cl, 1))
    code.add(x86.shld(prgm.gp_return, r_tmp, cl))

    prgm.release_register(r_tmp)
    prgm.add(code)
    ret = proc.execute(prgm, params = params, mode = 'int')
    print "ret", ret
    assert(ret == 7)


    prgm.reset()
    code.reset()

    code.add(x86.add(eax, 200))
    code.add(x86.xor(eax, eax))
    code.add(x86.add(al, 32))
    code.add(x86.add(bl, 32))
    code.add(x86.xor(bl, bl))
    code.add(x86.mov(dil, al))
    code.add(x86.add(rdi, 0))
    code.add(x86.mov(eax, edi))
    code.add(x86.mov(al, dil))

    code.add(x86.imul(ax, ax, 4))
    code.add(x86.imul(eax, ebx, 10))
    code.add(x86.mov(cx, 1232))
    code.add(x86.sub(ax, cx))
    code.add(x86.xor(eax,eax))
    code.add(x86.mov(eax,ebx))
    code.add(x86.clc())
    code.add(x86.rcl(eax, 1))
    code.add(x86.rcr(eax, 1))


    prgm.add(code)
    #ret = proc.execute(prgm, debug = True, params = params)
    id1 = proc.execute(prgm, params = params, mode = 'int', async = True)
    id2 = proc.execute(prgm, params = params, mode = 'int', async = True)
    ret = proc.execute(prgm, params = params, mode = 'int')
    print "Return main thread: %d" % (ret)
    assert(ret == 1280)
    ret = proc.join(id1)
    print "Return thread 1: %d" % (ret)
    assert(ret == 1280)
    ret = proc.join(id2)
    print "Return thread 2: %d" % (ret)
    assert(ret == 1280)


    prgm.reset()
    code.reset()

    code.add(x86.fldpi())
    code.add(x86.pxor(xmm0, xmm0))
    code.add(x86.fld1())
    code.add(x86.fadd(st0, st0))
    code.add(x86.fmulp())
    code.add(x86.fsin())
    code.add(x86.fcos())
    code.add(x86.fld1())
    code.add(x86.fyl2xp1())

    # x86_64 now uses xmm0 to return floats, not st0.  So here, just make room
    # on the stack, convert the FP result to an int and store it on the stack,
    # then pop it into rax, the int return register.
    code.add(x86.push(prgm.gp_return))
    code.add(x86.fistp(MemRef(rsp)))
    code.add(x86.pop(prgm.gp_return))

    prgm.add(code)
    prgm.print_code(hex = True)
    ret = proc.execute(prgm, params = params, mode = 'int')
    assert(ret == 1)
    print "Return main thread: %d" % (ret)


    prgm.reset()
    code.reset()

    lbl_ok = prgm.get_label("OK")
    code.add(x86.emms())
    code.add(x86.movd(xmm0, edi))
    code.add(x86.mov(ebx, edi))

    code.add(x86.cmp(ebx, 3))
    code.add(x86.je(lbl_ok))
    code.add(x86.movd(eax, xmm0))
    code.add(x86.cmp(eax, 3))
    code.add(x86.je(lbl_ok))
    code.add(x86.ud2())

    code.add(lbl_ok)
    code.add(x86.xor(eax, eax))
    code.add(x86.movd(xmm1, ebx))
    code.add(x86.paddq(xmm0, xmm1))
    code.add(x86.pextrw(ecx, xmm0, 0))
    code.add(x86.pxor(mm1, mm1))
    code.add(x86.pinsrw(mm1, ecx, 0))
    code.add(x86.movq2dq(xmm0, mm1))
    code.add(x86.movdq2q(mm2, xmm0))
    code.add(x86.movd(edx,mm2))
    code.add(x86.movd(xmm5,edx))
    code.add(x86.movd(ecx, xmm5))
    code.add(x86.pxor(xmm6, xmm6))
    code.add(x86.pinsrw(xmm6, ecx, 0))
    code.add(x86.movd(eax, xmm6))

    prgm.add(code)
    prgm.print_code(hex = True)
    ret = proc.execute(prgm, params = params, mode = 'int')
    print "Return main thread: %d" % (ret)
    assert(ret == 6)


    prgm.reset()
    code.reset()

    code.add(x86.mov(edx, 0x1234))
    code.add(x86.mov(eax, 0xFFFF))
    code.add(x86.xchg(edx, eax))

    prgm.add(code)
    prgm.print_code(hex = True)
    ret = proc.execute(prgm, params = params)
    print "ret:", ret
    assert(ret == 0x1234)


    prgm.reset()
    code.reset()

    code.add(x86.mov(prgm.gp_return, rsp))
    code.add(x86.pushfq())
    code.add(x86.sub(prgm.gp_return, rsp))
    code.add(x86.add(rsp, prgm.gp_return))

    prgm.add(code)
    prgm.print_code(hex = True)
    ret = proc.execute(prgm, params = params)
    print "ret:", ret
    assert(ret == 8)


    prgm.reset()
    code.reset()

    data = extarray.extarray('H', xrange(0, 16))

    r_128 = prgm.acquire_register(reg_type = XMMRegister)
    regs = prgm.acquire_registers(4)

    code.add(x86.mov(regs[0], data.buffer_info()[0]))
    code.add(x86.movaps(r_128, MemRef(regs[0], data_size = 128)))
    code.add(x86.pextrw(prgm.gp_return, r_128, 0))
    code.add(x86.pextrw(regs[1], r_128, 1))
    code.add(x86.pextrw(regs[2], r_128, 2))
    code.add(x86.pextrw(regs[3], r_128, 3))
    code.add(x86.shl(regs[1], 16))
    code.add(x86.shl(regs[2], 32))
    code.add(x86.shl(regs[3], 48))
    code.add(x86.or_(prgm.gp_return, regs[1]))
    code.add(x86.or_(prgm.gp_return, regs[2]))
    code.add(x86.or_(prgm.gp_return, regs[3]))

    prgm.release_register(r_128)
    prgm.release_registers(regs)

    prgm.add(code)
    prgm.print_code()
    ret = proc.execute(prgm, mode = 'int')
    print "ret %x" % ret
    assert(ret == 0x0003000200010000)


    prgm.reset()
    code.reset()

    util.load_float(code, xmm0, 3.14159)

    prgm.add(code)
    ret = proc.execute(prgm, mode = 'fp')
    print "ret", ret
    assert(ret - 3.14159 < 0.00001)

    return
Esempio n. 19
0
def Test():
  verify(x86.xor(ebx, eax),                 [0x31, 0xC3])
  verify(x86.add(ebx, ebx),                 [0x01, 0xdb])
  verify(x86.add(ebx, r13d),                [0x44, 0x01, 0xeb])
  verify(x86.add(r13d, ebx),                [0x41, 0x01, 0xdd])
  verify(x86.xor(rax, r15),                 [0x4c, 0x31, 0xf8])
  verify(x86.xor(r15, rax),                 [0x49, 0x31, 0xc7])
  verify(x86.xor(r13, r13),                 [0x4d, 0x31, 0xed])
  verify(x86.mov(rax, 0xDEADDEADBEEFl),     [0x48, 0xb8, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
  verify(x86.mov(r11, 0xDEADDEADBEEFl),     [0x49, 0xbb, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
  verify(x86.mov(r12, 0xDEADDEADBEEFl),     [0x49, 0xbc, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
  verify(x86.mov(r13, 0xDEADDEADBEEFl),     [0x49, 0xbd, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
  verify(x86.mov(r14, 0xDEADDEADBEEFl),     [0x49, 0xbe, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
  verify(x86.mov(r15, 0xDEADDEADBEEFl),     [0x49, 0xbf, 0xef, 0xbe, 0xad, 0xde, 0xad, 0xde, 0x00, 0x00])
  verify(x86.add(r15, 0xBEEF),              [0x49, 0x81, 0xc7, 0xef, 0xbe, 0x00, 0x00])
  verify(x86.add(r8, 0xA),                  [0x49, 0x83, 0xc0, 0x0a])
  verify(x86.mov(r8, MemRef(rbx, 3)),       [0x4c, 0x8b, 0x43, 0x03])
  verify(x86.mov(rax, MemRef(r9, 3)),       [0x49, 0x8b, 0x41, 0x03])
  verify(x86.mov(rcx, MemRef(rsp)),         [0x48, 0x8b, 0x0c, 0x24])
  verify(x86.mov(rbx, MemRef(rsp)),         [0x48, 0x8b, 0x1c, 0x24])
  verify(x86.mov(rdx, MemRef(rbp, 64)),     [0x48, 0x8b, 0x55, 0x40])
  verify(x86.mov(rdi, MemRef(rbp)),         [0x48, 0x8b, 0x7d, 0x00])
  verify(x86.mov(rdx, MemRef(rax, 64, r10, 4)), [0x4a, 0x8b, 0x54, 0x90, 0x40])
  verify(x86.mov(rdx, MemRef(r14, 24, rbx, 2)), [0x49, 0x8b, 0x54, 0x5e, 0x18])
  verify(x86.add(MemRef(rsp), 16),          [0x48, 0x83, 0x04, 0x24, 0x10])
  verify(x86.add(MemRef(rsp), r15),         [0x4c, 0x01, 0x3c, 0x24])
  verify(x86.call(MemRef(r12)),             [0x41, 0xff, 0x14, 0x24])
  verify(x86.cmpxchg8b(MemRef(rax)),        [0x0f, 0xc7, 0x08])
  verify(x86.cmpxchg8b(MemRef(r8)),         [0x41, 0x0f, 0xc7, 0x08])
  verify(x86.cmpxchg16b(MemRef(rax, data_size = 128)), [0x48, 0x0f, 0xc7, 0x08])
  verify(x86.cmpxchg16b(MemRef(r8, data_size = 128)), [0x49, 0x0f, 0xc7, 0x08])
  verify(x86.add(MemRef(rbp), 5),           [0x48, 0x83, 0x45, 0x00, 0x05])
  verify(x86.add(MemRef(rbp), 0x1EADBEEF),  [0x48, 0x81, 0x45, 0x00, 0xef, 0xbe, 0xad, 0x1e])
  verify(x86.call(MemRef(rdx)),             [0xff, 0x12])
  verify(x86.dec(rax),                      [0x48, 0xff, 0xc8])
  verify(x86.dec(MemRef(rax)),              [0x48, 0xff, 0x08])
  verify(x86.dec(MemRef(r15)),              [0x49, 0xff, 0x0f])
  verify(x86.div(rax),                      [0x48, 0xf7, 0xf0])
  verify(x86.div(r13),                      [0x49, 0xf7, 0xf5])
  verify(x86.div(MemRef(rax)),              [0x48, 0xf7, 0x30])
  verify(x86.div(MemRef(r13)),              [0x49, 0xf7, 0x75, 0x00])
  verify(x86.jmp(rax),                      [0x48, 0xff, 0xe0])
  verify(x86.jmp(MemRef(r13)),              [0x41, 0xff, 0x65, 0x00])
  verify(x86.jmp(MemRef(rax)),              [0xff, 0x20])
  verify(x86.lea(rdx, MemRef(r14, 24, rbx, 2, data_size = None)), [0x49, 0x8d, 0x54, 0x5e, 0x18])
  verify(x86.loop(-4),                      [0xe2, 0xfc])
  verify(x86.mov(r13, -0x1EADBEEFDEADBEEF), [0x49, 0xbd, 0x11, 0x41, 0x52, 0x21, 0x10, 0x41, 0x52, 0xe1])
  verify(x86.shld(rax, r15, cl),            [0x4c, 0x0f, 0xa5, 0xf8])
  verify(x86.movd(xmm8, r15),               [0x66, 0x4d, 0x0f, 0x6e, 0xc7])
  verify(x86.addpd(xmm11, xmm10),           [0x66, 0x45, 0x0f, 0x58, 0xda])
  verify(x86.addpd(xmm11, MemRef(rdx, data_size = 128)), [0x66, 0x44, 0x0f, 0x58, 0x1a])
  verify(x86.cmpxchg8b(MemRef(eax)),        [0x67, 0x0f, 0xc7, 0x08])
  verify(x86.mov(r8, MemRef(ebx, 3)),       [0x67, 0x4c, 0x8b, 0x43, 0x03])
  verify(x86.mov(rax, MemRef(r9d, 3)),      [0x67, 0x49, 0x8b, 0x41, 0x03])
  verify(x86.mov(rdx, MemRef(ebp, 64)),     [0x67, 0x48, 0x8b, 0x55, 0x40])
  verify(x86.mov(rdx, MemRef(eax, 64, r10d, 4)), [0x67, 0x4a, 0x8b, 0x54, 0x90, 0x40])
  verify(x86.mov(rdx, MemRef(r14d, 24, ebx, 2)), [0x67, 0x49, 0x8b, 0x54, 0x5e, 0x18])
  verify(x86.add(MemRef(rbp, data_size = 32), 5), [0x83, 0x45, 0x00, 0x05])
  verify(x86.add(MemRef(rbp, data_size = 32), 0x1EADBEEF), [0x81, 0x45, 0x00, 0xef, 0xbe, 0xad, 0x1e])
  verify(x86.add(ebp, 8),                   [0x83, 0xc5, 0x08])
  verify(x86.add(r15d, 8),                  [0x41, 0x83, 0xc7, 0x08])
  verify(x86.add(r15d, 0x1EADBEEF),         [0x41, 0x81, 0xc7, 0xef, 0xbe, 0xad, 0x1e])
  verify(x86.mov(r8d, 0x1EADBEEF),          [0x41, 0xb8, 0xef, 0xbe, 0xad, 0x1e])
  verify(x86.add(ax, r9w),                  [0x66, 0x44, 0x01, 0xc8])
  verify(x86.add(eax, r9d),                 [0x44, 0x01, 0xc8])
  verify(x86.add(rax, MemRef(rbp, -8)),     [0x48, 0x03, 0x45, 0xf8])
  verify(x86.cmplepd(xmm11, xmm10),         [0x66, 0x45, 0x0f, 0xc2, 0xda, 0x02])
  verify(x86.pextrw(eax, xmm7, 2),          [0x66, 0x0f, 0xc5, 0xc7, 0x02])
  verify(x86.mov(rax, MemRef(rip, 128)),    [0x48, 0x8b, 0x05, 0x80, 0x00, 0x00, 0x00])
  verify(x86.mov(MemRef(rip, 128), rax),    [0x48, 0x89, 0x05, 0x80, 0x00, 0x00, 0x00])
  verify(x86.mov(eax, MemRef(rip, 128, data_size = 32)), [0x8b, 0x05, 0x80, 0x00, 0x00, 0x00])
  verify(x86.mov(rax,MemRef(128)),          [0x48, 0x8b, 0x04, 0x25, 0x80, 0x00, 0x00, 0x00])
  verify(x86.mov(rax,MemRef(rbp)),          [0x48, 0x8b, 0x45, 0x00])
  verify(x86.mov(rbx,MemRef(rbp, index = rdx, scale=2)), [0x48, 0x8b, 0x5c, 0x55, 0x00])
  verify(x86.mov(rbx,MemRef(rdi, index = rdx, scale=2)), [0x48, 0x8b, 0x1c, 0x57])
  verify(x86.mov(rbx,MemRef(rsp, index = rdx, scale=2)), [0x48, 0x8b, 0x1c, 0x54])
  verify(x86.mov(rax,MemRef(rbp, 0, index = rdx, scale=2)), [0x48, 0x8b, 0x44, 0x55, 0x00])
  verify(x86.mov(eax,MemRef(ebp, data_size = 32)), [0x67, 0x8b, 0x45, 0x00])
  verify(x86.and_(al,bl),                   [0x20, 0xd8])
  verify(x86.and_(al,ch),                   [0x20, 0xe8])
  verify(x86.and_(al,sil),                  [0x40, 0x20, 0xf0])
  verify(x86.and_(al,spl),                  [0x40, 0x20, 0xe0])
  verify(x86.and_(bpl,MemRef(rax, data_size = 8)), [0x40, 0x22, 0x28])
  verify(x86.invlpg(MemRef(rax, data_size = 8)), [0x0F, 0x01, 0x38])
  verify(x86.rdtscp(), [0x0F, 0x01, 0xF9])
  verify(x86.cmove(rcx, rdx), [0x48, 0x0F, 0x44, 0xCA])
  verify(x86.cmove(ecx, edx), [0x0F, 0x44, 0xCA])
  verify(x86.cmove(cx, dx), [0x66, 0x0F, 0x44, 0xCA])
  verify(x86.shld(rax, rbx, cl), [0x48, 0x0F, 0xA5, 0xD8])
  verify(x86.shld(eax, ebx, cl), [0x0F, 0xA5, 0xD8])
  verify(x86.shld(ax, bx, cl), [0x66, 0x0F, 0xA5, 0xD8])
  verify(x86.shld(rax, rbx, 4), [0x48, 0x0F, 0xA4, 0xD8, 0x04])
  verify(x86.shld(eax, ebx, 4), [0x0F, 0xA4, 0xD8, 0x04])
  verify(x86.shld(ax, bx, 4), [0x66, 0x0F, 0xA4, 0xD8, 0x04])
  verify(x86.imul(rax, rdx, 0x100000), [0x48, 0x69, 0xC2, 0x00, 0x00, 0x10, 0x00])
  verify(x86.imul(rax, rdx, 0x10), [0x48, 0x6B, 0xC2, 0x10])
  verify(x86.imul(eax, edx, 0x100000), [0x69, 0xC2, 0x00, 0x00, 0x10, 0x00])
  verify(x86.imul(ax, dx, 0x1000), [0x66, 0x69, 0xC2, 0x00, 0x10])
  verify(x86.shl(rax, 1), [0x48, 0xD1, 0xE0])
  verify(x86.add(eax, 1), [0x83, 0xC0, 0x01])
  verify(x86.mov(r15, 4), [0x49, 0xC7, 0xC7, 0x04, 0x00, 0x00, 0x00])

  print

  verify(x86.cvtss2si(r9d, xmm0),           [0xf3, 0x44, 0x0f, 0x2d, 0xc8])
  verify(x86.cvttsd2si(r9d, xmm0),          [0xf2, 0x44, 0x0f, 0x2c, 0xc8])
  verify(x86.cvttss2si(r9d, xmm0),          [0xf3, 0x44, 0x0f, 0x2c, 0xc8])
  verify(x86.movmskpd(eax,xmm9), [0x66, 0x41, 0x0F, 0x50, 0xC1])
  verify(x86.pmovmskb(eax,xmm9), [0x66, 0x41, 0x0F, 0xD7, 0xC1])
  verify(x86.pextrw(ebx, xmm12, 4), [0x66, 0x41, 0x0F, 0xC5, 0xDC, 0x04])
  verify(x86.pinsrw(xmm12, ebx, 4), [0x66, 0x44, 0x0F, 0xC4, 0xE3, 0x04])
  verify(x86.movd(ecx,xmm5), [0x66, 0x0F, 0x7E, 0xE9])
  verify(x86.movd(xmm5,edx), [0x66, 0x0F, 0x6E, 0xEA])
  verify(x86.movd(xmm5,rdx), [0x66, 0x48, 0x0F, 0x6E, 0xEA])

  print

  verify(x86.cvtsi2sd(xmm0, r9),           [0xF3, 0x49, 0x0F, 0x2A, 0xC1])
  verify(x86.cvtss2si(r9, xmm0),           [0xF3, 0x4C, 0x0F, 0x2D, 0xC8])
  verify(x86.cvttsd2si(r9, xmm0),          [0xF2, 0x4C, 0x0F, 0x2C, 0xC8])
  verify(x86.cvttss2si(r9, xmm0),          [0xF3, 0x4C, 0x0F, 0x2C, 0xC8])
  verify(x86.movd(rcx,xmm5), [0x66, 0x48, 0x0F, 0x7E, 0xE9])
  verify(x86.movd(xmm5,rdx), [0x66, 0x48, 0x0F, 0x6E, 0xEA])

  print

  verify(x86.pmovmskb(eax,mm1), [0x0F, 0xD7, 0xC1])
  verify(x86.pmovmskb(rax,mm1), [0x48, 0x0F, 0xD7, 0xC1])
  verify(x86.movd(rcx,mm5), [0x48, 0x0F, 0x7E, 0xE9])
  verify(x86.movd(mm5,rdx), [0x48, 0x0F, 0x6E, 0xEA])

  return
Esempio n. 20
0
def Test():
    prgm = env.Program()
    code = prgm.get_stream()
    proc = env.Processor()
    params = env.ExecParams()
    params.p1 = 3

    lbl1 = prgm.get_label("lbl1")
    lbl2 = prgm.get_label("lbl2")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))

    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.jne(lbl1))

    code.add(x86.ud2())
    code.add(x86.ud2())

    code.add(lbl1)
    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.je(lbl2))
    code.add(x86.add(prgm.gp_return, 12))
    code.add(lbl2)

    prgm.add(code)
    #prgm.print_code(pro = True, epi = True, hex = True)
    ret = proc.execute(prgm, mode='int')
    print "ret", ret
    assert (ret == 12)

    prgm.reset()
    code.reset()

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))

    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.jne(28))

    code.add(x86.ud2())
    code.add(x86.ud2())

    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.je(37))
    code.add(x86.add(prgm.gp_return, 12))

    prgm.add(code)
    prgm.print_code(hex=True, pro=True, epi=True)
    ret = proc.execute(prgm)
    print "ret", ret
    assert (ret == 12)

    prgm.reset()
    code.reset()

    call_lbl = prgm.get_label("call_fn")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(x86.call(call_lbl))
    code.add(x86.jmp(prgm.lbl_epilogue))
    code.add(x86.mov(prgm.gp_return, 75))
    code.add(x86.mov(prgm.gp_return, 42))
    code.add(call_lbl)
    code.add(x86.mov(prgm.gp_return, 15))
    code.add(x86.ret())

    prgm.add(code)
    prgm.print_code()
    ret = proc.execute(prgm, mode='int')
    print "ret", ret
    assert (ret == 15)

    prgm.reset()
    code.reset()

    fwd_lbl = prgm.get_label("FORWARD")
    bck_lbl = prgm.get_label("BACKWARD")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(bck_lbl)
    code.add(x86.cmp(prgm.gp_return, 1))
    code.add(x86.jne(fwd_lbl))
    r_foo = prgm.acquire_register()
    for i in xrange(0, 65):
        code.add(x86.pop(r_foo))
    prgm.release_register(r_foo)
    code.add(fwd_lbl)

    prgm.add(code)
    ret = proc.execute(prgm, mode='int')
    print "ret", ret
    assert (ret == 0)

    prgm.reset()
    code.reset()

    loop_lbl = prgm.get_label("LOOP")
    out_lbl = prgm.get_label("OUT")
    skip_lbl = prgm.get_label("SKIP")

    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(loop_lbl)
    r_foo = prgm.acquire_register()
    for i in range(0, 1):
        for i in xrange(0, 24):
            code.add(x86.add(r_foo, MemRef(rsp, 4)))

        code.add(x86.add(prgm.gp_return, 4))
        code.add(x86.cmp(prgm.gp_return, 20))
        code.add(x86.je(out_lbl))

        for i in xrange(0, 24):
            code.add(x86.add(r_foo, MemRef(rsp, 4)))

        code.add(x86.cmp(prgm.gp_return, 32))
        code.add(x86.jne(loop_lbl))

    code.add(out_lbl)

    code.add(x86.jmp(skip_lbl))
    for i in xrange(0, 2):
        code.add(x86.add(r_foo, MemRef(rsp, 4)))
    code.add(skip_lbl)

    prgm.release_register(r_foo)
    prgm.add(code)
    ret = proc.execute(prgm, mode='int')
    print "ret", ret
    assert (ret == 20)

    prgm.reset()
    code.reset()

    r_tmp = prgm.acquire_registers(2)

    loop_lbl = prgm.get_label("LOOP")
    else_lbl = prgm.get_label("ELSE")
    finish_lbl = prgm.get_label("finish")

    code.add(x86.mov(prgm.gp_return, 0))
    code.add(x86.mov(r_tmp[0], 0))

    code.add(loop_lbl)

    code.add(x86.add(prgm.gp_return, 1))
    code.add(x86.cmp(prgm.gp_return, 16))
    code.add(x86.jge(finish_lbl))

    code.add(x86.add(r_tmp[0], prgm.gp_return))
    code.add(x86.mov(r_tmp[1], r_tmp[0]))
    code.add(x86.and_(r_tmp[1], 0x1))
    code.add(x86.jnz(else_lbl))

    code.add(x86.add(r_tmp[0], 1))
    code.add(x86.jmp(loop_lbl))

    code.add(else_lbl)
    code.add(x86.add(r_tmp[0], r_tmp[1]))
    code.add(x86.jmp(loop_lbl))

    code.add(finish_lbl)
    code.add(x86.mov(prgm.gp_return, r_tmp[0]))

    prgm.release_registers(r_tmp)

    prgm.add(code)
    ret = proc.execute(prgm, mode='int')
    print "ret", ret
    assert (ret == 135)

    prgm.reset()
    code.reset()

    loop_lbl = prgm.get_label("LOOP")

    r_one = prgm.acquire_register()
    code.add(x86.xor(prgm.gp_return, prgm.gp_return))
    code.add(x86.xor(rcx, rcx))
    code.add(x86.mov(r_one, 1))

    code.add(loop_lbl)
    code.add(x86.inc(prgm.gp_return))
    code.add(x86.cmp(prgm.gp_return, 7))
    code.add(x86.cmove(rcx, r_one))
    code.add(x86.jrcxz(loop_lbl))

    prgm.release_register(r_one)

    prgm.add(code)
    prgm.print_code(hex=True)
    ret = proc.execute(prgm, mode='int')
    print "ret", ret
    assert (ret == 7)

    prgm.reset()
    code.reset()

    r_tmp = prgm.acquire_register()
    code.add(x86.mov(prgm.gp_return, rdi))
    code.add(x86.xor(r_tmp, r_tmp))
    code.add(x86.mov(r_tmp, -1))
    code.add(x86.mov(cl, 1))
    code.add(x86.shld(prgm.gp_return, r_tmp, cl))

    prgm.release_register(r_tmp)
    prgm.add(code)
    ret = proc.execute(prgm, params=params, mode='int')
    print "ret", ret
    assert (ret == 7)

    prgm.reset()
    code.reset()

    code.add(x86.add(eax, 200))
    code.add(x86.xor(eax, eax))
    code.add(x86.add(al, 32))
    code.add(x86.add(bl, 32))
    code.add(x86.xor(bl, bl))
    code.add(x86.mov(dil, al))
    code.add(x86.add(rdi, 0))
    code.add(x86.mov(eax, edi))
    code.add(x86.mov(al, dil))

    code.add(x86.imul(ax, ax, 4))
    code.add(x86.imul(eax, ebx, 10))
    code.add(x86.mov(cx, 1232))
    code.add(x86.sub(ax, cx))
    code.add(x86.xor(eax, eax))
    code.add(x86.mov(eax, ebx))
    code.add(x86.clc())
    code.add(x86.rcl(eax, 1))
    code.add(x86.rcr(eax, 1))

    prgm.add(code)
    #ret = proc.execute(prgm, debug = True, params = params)
    id1 = proc.execute(prgm, params=params, mode='int', async=True)
    id2 = proc.execute(prgm, params=params, mode='int', async=True)
    ret = proc.execute(prgm, params=params, mode='int')
    print "Return main thread: %d" % (ret)
    assert (ret == 1280)
    ret = proc.join(id1)
    print "Return thread 1: %d" % (ret)
    assert (ret == 1280)
    ret = proc.join(id2)
    print "Return thread 2: %d" % (ret)
    assert (ret == 1280)

    prgm.reset()
    code.reset()

    code.add(x86.fldpi())
    code.add(x86.pxor(xmm0, xmm0))
    code.add(x86.fld1())
    code.add(x86.fadd(st0, st0))
    code.add(x86.fmulp())
    code.add(x86.fsin())
    code.add(x86.fcos())
    code.add(x86.fld1())
    code.add(x86.fyl2xp1())

    # x86_64 now uses xmm0 to return floats, not st0.  So here, just make room
    # on the stack, convert the FP result to an int and store it on the stack,
    # then pop it into rax, the int return register.
    code.add(x86.push(prgm.gp_return))
    code.add(x86.fistp(MemRef(rsp)))
    code.add(x86.pop(prgm.gp_return))

    prgm.add(code)
    prgm.print_code(hex=True)
    ret = proc.execute(prgm, params=params, mode='int')
    assert (ret == 1)
    print "Return main thread: %d" % (ret)

    prgm.reset()
    code.reset()

    lbl_ok = prgm.get_label("OK")
    code.add(x86.emms())
    code.add(x86.movd(xmm0, edi))
    code.add(x86.mov(ebx, edi))

    code.add(x86.cmp(ebx, 3))
    code.add(x86.je(lbl_ok))
    code.add(x86.movd(eax, xmm0))
    code.add(x86.cmp(eax, 3))
    code.add(x86.je(lbl_ok))
    code.add(x86.ud2())

    code.add(lbl_ok)
    code.add(x86.xor(eax, eax))
    code.add(x86.movd(xmm1, ebx))
    code.add(x86.paddq(xmm0, xmm1))
    code.add(x86.pextrw(ecx, xmm0, 0))
    code.add(x86.pxor(mm1, mm1))
    code.add(x86.pinsrw(mm1, ecx, 0))
    code.add(x86.movq2dq(xmm0, mm1))
    code.add(x86.movdq2q(mm2, xmm0))
    code.add(x86.movd(edx, mm2))
    code.add(x86.movd(xmm5, edx))
    code.add(x86.movd(ecx, xmm5))
    code.add(x86.pxor(xmm6, xmm6))
    code.add(x86.pinsrw(xmm6, ecx, 0))
    code.add(x86.movd(eax, xmm6))

    prgm.add(code)
    prgm.print_code(hex=True)
    ret = proc.execute(prgm, params=params, mode='int')
    print "Return main thread: %d" % (ret)
    assert (ret == 6)

    prgm.reset()
    code.reset()

    code.add(x86.mov(edx, 0x1234))
    code.add(x86.mov(eax, 0xFFFF))
    code.add(x86.xchg(edx, eax))

    prgm.add(code)
    prgm.print_code(hex=True)
    ret = proc.execute(prgm, params=params)
    print "ret:", ret
    assert (ret == 0x1234)

    prgm.reset()
    code.reset()

    code.add(x86.mov(prgm.gp_return, rsp))
    code.add(x86.pushfq())
    code.add(x86.sub(prgm.gp_return, rsp))
    code.add(x86.add(rsp, prgm.gp_return))

    prgm.add(code)
    prgm.print_code(hex=True)
    ret = proc.execute(prgm, params=params)
    print "ret:", ret
    assert (ret == 8)

    prgm.reset()
    code.reset()

    data = extarray.extarray('H', xrange(0, 16))

    r_128 = prgm.acquire_register(reg_type=XMMRegister)
    regs = prgm.acquire_registers(4)

    code.add(x86.mov(regs[0], data.buffer_info()[0]))
    code.add(x86.movaps(r_128, MemRef(regs[0], data_size=128)))
    code.add(x86.pextrw(prgm.gp_return, r_128, 0))
    code.add(x86.pextrw(regs[1], r_128, 1))
    code.add(x86.pextrw(regs[2], r_128, 2))
    code.add(x86.pextrw(regs[3], r_128, 3))
    code.add(x86.shl(regs[1], 16))
    code.add(x86.shl(regs[2], 32))
    code.add(x86.shl(regs[3], 48))
    code.add(x86.or_(prgm.gp_return, regs[1]))
    code.add(x86.or_(prgm.gp_return, regs[2]))
    code.add(x86.or_(prgm.gp_return, regs[3]))

    prgm.release_register(r_128)
    prgm.release_registers(regs)

    prgm.add(code)
    prgm.print_code()
    ret = proc.execute(prgm, mode='int')
    print "ret %x" % ret
    assert (ret == 0x0003000200010000)

    prgm.reset()
    code.reset()

    util.load_float(code, xmm0, 3.14159)

    prgm.add(code)
    ret = proc.execute(prgm, mode='fp')
    print "ret", ret
    assert (ret - 3.14159 < 0.00001)

    return