Ejemplo n.º 1
0
 def _(bs):
     content = self.contents[attr]
     
     type, a = bs.flow.stack.pop2()
     #type = bs.flow.stack.pop()
     
     # we could use a watcher to modify the generated code to not require a memory access.
     skip = bs.program.get_unique_label()
     bs.code += isa.mov(registers.rax, ctypes.cast(content.id_container, ctypes.c_void_p).value)
     bs.code += isa.cmp(MemRef(registers.rax), type.id)
     bs.code += isa.je(skip)
     bs.code += isa.mov(registers.rax, ctypes.cast(content.type_setter, ctypes.c_void_p).value)
     bs.code += isa.mov(registers.rdi, type.id)
     bs.code += isa.mov(registers.r12, registers.rsp)
     bs.code += isa.and_(registers.rsp, -16)
     bs.code += isa.call(registers.rax)
     bs.code += isa.mov(registers.rsp, registers.r12)
     bs.code += skip
     
     #if type is not content.value.value: content.value.set(type)
     # i'm pretty sure we can do this - this code will immediately be executed after and this fits in with code generation
     # BUT things that use it before it have to be altered properly
     # right now they will just raise an error - render_code hasn't been defined
     # it should ignore this and wait for the asm code above to modify it.
     
     #print "storing", attr, self.desc, type, a, repr(content.container.raw)
     if type.size:
         bs.code += isa.mov(registers.rax, ctypes.cast(content.container, ctypes.c_void_p).value)
         for i in reversed(xrange(type.size)):
             bs.code += isa.pop(MemRef(registers.rax, 8 * i))
Ejemplo n.º 2
0
 def getattr_raw(self, bs):
     bs.code += isa.pop(registers.r12)
     bs.code += isa.mov(registers.rdi, MemRef(registers.r12))
     bs.code += isa.add(registers.rdi, 8)
     bs.code += isa.mov(registers.rax, util.malloc_addr)
     bs.code += isa.call(registers.rax)
     bs.code += isa.push(registers.rax)
     bs.code += isa.mov(registers.rdi, registers.rax)
     bs.code += isa.mov(registers.rsi, registers.r12)
     bs.code += isa.mov(registers.rcx, MemRef(registers.r12))
     bs.code += isa.add(registers.rcx, 8)
     bs.code += isa.rep()
     bs.code += isa.movsb()
     bs.flow.stack.append(type_impl.Str)
Ejemplo n.º 3
0
        def _(bs):
            good = bs.program.get_unique_label()

            bs.code += isa.mov(registers.rax,
                               data)  # check if could be combined into cmp
            bs.code += isa.cmp(MemRef(registers.rsp), registers.rax)
            bs.code += isa.je(good)
            bs.code += isa.mov(registers.rdi, MemRef(registers.rsp))
            add_redirection(bs.code,
                            lambda rdi, flow=bs.flow.clone(): get_jmp(
                                make_thingy(flow, rdi)))
            bs.code += good

            bs.code += isa.pop(registers.rax)
            bs.this.append(func(data))
Ejemplo n.º 4
0
 def _(bs):
     #print "loading", attr, self.desc, type, repr(content.container.raw)
     addr = ctypes.cast(content.container, ctypes.c_void_p).value
     if type.size:
         bs.code += isa.mov(registers.rax, addr)
         for i in xrange(type.size):
             bs.code += isa.push(MemRef(registers.rax, 8 * i))
     bs.flow.stack.append(type)
Ejemplo n.º 5
0
def read_top(bs, regs):
    res = []
    type = bs.flow.stack[-1]
    for i in xrange(type.size):
        reg = regs.pop()
        bs.code += isa.mov(reg, MemRef(registers.rsp, 8 * i))
        res.append(reg)
    return type, res
Ejemplo n.º 6
0
 def _(bs):
     type = type_impl.id_to_type[value]
     for i in xrange(type.size):
         bs.code += isa.push(
             MemRef(
                 ctypes.cast(self.return_area,
                             ctypes.c_void_p).value + i))
     bs.flow.stack.append(type)
     assert bs.flow.stack[-1].size == 0
Ejemplo n.º 7
0
 def _(bs):
     assert bs.flow.stack.pop() is type_impl.Int
     assert bs.flow.stack.pop() is self
     bs.code += isa.pop(registers.r12)
     bs.code += isa.mov(registers.rdi, registers.r12)
     bs.code += isa.add(registers.rdi, 8)
     bs.code += isa.mov(registers.rax, util.malloc_addr)
     bs.code += isa.call(registers.rax)
     bs.code += isa.push(registers.rax)
     bs.code += isa.mov(MemRef(registers.rax), registers.r12)
     bs.flow.stack.append(Raw)
Ejemplo n.º 8
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)
Ejemplo n.º 9
0
def dup_lower(bs, level):
    # 0 = dup
    skip = sum(x.size for x in bs.flow.stack[-1 - level:])
    type = bs.flow.stack[-1 - level]
    #print skip, bs.flow.stack[-1-level:]
    #print "skip =", skip, level
    if type.size:
        bs.code += isa.mov(registers.rax, 8 * skip - 8)
        for i in xrange(type.size):
            bs.code += isa.push(MemRef(registers.rsp, 0, registers.rax))
    bs.flow.stack.append(type)
Ejemplo n.º 10
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)
Ejemplo n.º 11
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)
Ejemplo n.º 12
0
def unlift(bs, func, desc):
    #print desc
    #print func
    #flows = []
    @memoize
    def make_post(flow):
        #print flows
        #if flows:
        #    print flow, flows[-1]
        #    print flow == flows[-1]
        #    print flow.__dict__ == flows[-1].__dict__
        #flows.append(flow)
        return compiler.translate("unlift_post " + desc,
                                  flow,
                                  stack=list(bs.call_stack))

    def make_thingy(flow, data):
        #print "thingy", id(flows), desc, data
        def _(bs):
            good = bs.program.get_unique_label()

            bs.code += isa.mov(registers.rax,
                               data)  # check if could be combined into cmp
            bs.code += isa.cmp(MemRef(registers.rsp), registers.rax)
            bs.code += isa.je(good)
            bs.code += isa.mov(registers.rdi, MemRef(registers.rsp))
            add_redirection(bs.code,
                            lambda rdi, flow=bs.flow.clone(): get_jmp(
                                make_thingy(flow, rdi)))
            bs.code += good

            bs.code += isa.pop(registers.rax)
            bs.this.append(func(data))

        return compiler.translate(
            "unlift_thingy " + desc,
            flow,
            this=[
                _,
                lambda bs: add_redirection(bs.code,
                                           lambda rdi, flow=bs.flow.clone():
                                           get_jmp(make_post(flow))),
                compiler.end,
            ])

    bs.code += isa.mov(registers.rdi, MemRef(registers.rsp))
    add_redirection(
        bs.code,
        lambda rdi, flow=bs.flow.clone(): get_jmp(make_thingy(flow, rdi)))
    bs.this.append(compiler.end)
Ejemplo n.º 13
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)
Ejemplo n.º 14
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")
Ejemplo n.º 15
0
# This first case is intentionally wrong to show what happens w/o locking.
data[0] = 0

prgm = env.Program()
code = prgm.get_stream()
x86.set_active_code(code)

x86.mov(rax, 1)
x86.mov(rcx, ITERS)
x86.mov(rdi, dbi[0])

lbl_loop = prgm.get_unique_label("loop")
code.add(lbl_loop)

x86.add(MemRef(rdi), rax)
x86.dec(rcx)
x86.jnz(lbl_loop)

prgm += code
prgm.print_code(hex=True)

proc = env.Processor()
t1 = time.time()
ids = [proc.execute(prgm, async=True) for i in xrange(0, THREADS)]
[proc.join(i) for i in ids]
t2 = time.time()

print "time", t2 - t1
print "val", data[0], ITERS * THREADS
print "passed?", data[0] == ITERS * THREADS
Ejemplo n.º 16
0
 def _(bs):
     ints = len([
         x for x in arg_types if x is type_impl.Int
         or x is type_impl.Str or x is Raw or x is type_impl.NoneType
         or isinstance(x, _FuncPtr) or x is type_impl.Bool
     ])
     floats = len([x for x in arg_types if x is type_impl.Float])
     floats_orig = floats
     pos = 0
     for arg_type in reversed(arg_types):
         type = bs.flow.stack.pop()
         assert arg_type is type, (type, arg_type)
         if type is type_impl.Int or type is type_impl.Bool:
             ints -= 1
             bs.code += isa.mov(int_regs[ints],
                                MemRef(registers.rsp, pos))
             pos += 8
         elif isinstance(type, _FuncPtr):
             ints -= 1
             bs.code += isa.mov(int_regs[ints],
                                MemRef(registers.rsp, pos))
             pos += 8
         elif type is type_impl.NoneType:
             ints -= 1
             bs.code += isa.mov(int_regs[ints], 0)
         elif type is Raw:
             ints -= 1
             bs.code += isa.mov(int_regs[ints],
                                MemRef(registers.rsp, pos))
             pos += 8
             bs.code += isa.add(int_regs[ints], 8)
         elif type is type_impl.Float:
             floats -= 1
             bs.code += isa.movsd(float_regs[floats],
                                  MemRef(registers.rsp, pos))
             pos += 8
         elif type is type_impl.Str:
             ints -= 1
             bs.code += isa.mov(int_regs[ints],
                                MemRef(registers.rsp, pos))
             bs.code += isa.test(int_regs[ints], 1)
             short = bs.program.get_unique_label()
             end = bs.program.get_unique_label()
             bs.code += isa.jnz(short)
             # long
             bs.code += isa.add(int_regs[ints], 8)
             bs.code += isa.jmp(end)
             bs.code += short
             # short
             bs.code += isa.shr(MemRef(registers.rsp, pos), 8)
             bs.code += isa.lea(
                 int_regs[ints],
                 MemRef(registers.rsp, pos, data_size=None))
             bs.code += end
             pos += 8
         else:
             assert False, type
     assert bs.flow.stack.pop() is self
     bs.code += isa.mov(registers.rbx,
                        ctypes.cast(self.func, ctypes.c_void_p).value)
     bs.code += isa.mov(registers.r12, registers.rsp)
     bs.code += isa.and_(registers.rsp, -16)
     bs.code += isa.mov(registers.rax, floats)
     bs.code += isa.call(registers.rbx)
     bs.code += isa.mov(registers.rsp, registers.r12)
     bs.code += isa.add(registers.rsp, pos)
     bs.code += isa.push(registers.rax)
     bs.flow.stack.append(type_impl.Int)
Ejemplo n.º 17
0
def ops_from_sig(prgm, sig):
  ops = []

  for s in sig:
    if isinstance(s, x86.x86RegisterOperand):
      if s == x86.reg64_t:
        ops.append(r12)
      elif s == x86.reg32_t:
        ops.append(edx)
      elif s == x86.reg16_t:
        ops.append(cx)
      elif s == x86.reg8_t:
        ops.append(bl)
      elif s == x86.regst_t:
        ops.append(st1)
      elif s == x86.mmx_t:
        ops.append(mm3)
      elif s == x86.xmm_t:
        ops.append(xmm5)
    elif isinstance(s, x86.FixedRegisterOperand):
      ops.append(globals()[s.name])
    elif isinstance(s, x86.x86ConstantOperand):
      ops.append(s.const)
    elif isinstance(s, x86.x86MemoryOperand):
      if s == x86.mem128_t:
        ops.append(MemRef(r9, -16, data_size = 128))
      elif s == x86.mem64_t:
        ops.append(MemRef(r12, 32, data_size = 64))
      elif s == x86.mem32_t:
        ops.append(MemRef(r15, 1024, data_size = 32))
      elif s == x86.mem16_t:
        ops.append(MemRef(rsi, data_size = 16))
      elif s == x86.mem8_t:
        ops.append(MemRef(rbp, -8, data_size = 8))
      elif s == x86.mem80_t:
        ops.append(MemRef(rdi, data_size = 80))
      elif s == x86.mem_t:
        ops.append(MemRef(rbx, data_size = None))
      else:
        ops.append(MemRef(rsp, data_size = s.size))
    elif isinstance(s, x86.Imm8):
      ops.append(13)
    elif isinstance(s, x86.Imm16):
      ops.append(10234)
    elif isinstance(s, x86.Imm32):
      ops.append(0x1EADBEEF)
    elif isinstance(s, x86.Imm64):
      ops.append(0x1EADDEADBEEF)
    elif isinstance(s, x86.Rel8off):
      ops.append(4)
    #elif isinstance(s, x86.Rel16off):
    #  ops.append(260)
    elif isinstance(s, x86.Rel32off):
      ops.append(65541)
    elif isinstance(s, x86.x86ImmediateOperand):
      ops.append(21)
    elif isinstance(s, x86.x86LabelOperand):
      ops.append(prgm.lbl_body)
    else:
      raise Exception("unhandled operand %s" % str(s))

  return ops
Ejemplo n.º 18
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
Ejemplo n.º 19
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
Ejemplo n.º 20
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
Ejemplo n.º 21
0
 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)