本文整理汇总了Python中reil.x86.operand.set函数的典型用法代码示例。如果您正苦于以下问题：Python set函数的具体用法？Python set怎么用？Python set使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了set函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: x86_pminu
def x86_pminu(ctx, i, size):
a_id, b_id, dst_id = vex_opnds(i)
a = operand.get(ctx, i, a_id)
b = operand.get(ctx, i, b_id)
a_parts = unpack(ctx, a, size)
b_parts = unpack(ctx, b, size)
tmp0 = ctx.tmp(size * 2)
tmp1 = ctx.tmp(size * 2)
dst_parts = []
for a_part, b_part in zip(a_parts, b_parts):
dst_part = ctx.tmp(size)
ctx.emit( sub_ (a_part, b_part, tmp0))
ctx.emit( and_ (tmp0, imm(sign_bit(size * 2), size * 2), tmp0))
ctx.emit( bisz_ (tmp0, tmp1))
ctx.emit( mul_ (b_part, tmp1, tmp0))
ctx.emit( xor_ (tmp1, imm(1, size * 2), tmp1))
ctx.emit( mul_ (a_part, tmp1, tmp1))
ctx.emit( add_ (tmp0, tmp1, tmp0))
ctx.emit( str_ (tmp0, dst_part))
dst_parts.append(dst_part)
value = pack(ctx, dst_parts)
operand.set(ctx, i, dst_id, value)
开发者ID:c01db33f，项目名称:reil，代码行数:30，代码来源:sse.py
示例2: x86_movq
def x86_movq(ctx, i):
value = None
dst = operand.get(ctx, i, 0)
value = operand.get(ctx, i, 1)
operand.set(ctx, i, 0, value, clear=True, sign_extend=False)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:7，代码来源:sse.py
示例3: x86_arpl
def x86_arpl(ctx, i):
dest_seg = operand.get(ctx, i, 0)
src_seg = operand.get(ctx, i, 1)
dest_rpl = ctx.tmp(16)
src_rpl = ctx.tmp(16)
tmp0 = ctx.tmp(32)
tmp1 = ctx.tmp(8)
result_seg = ctx.tmp(16)
tmp2 = ctx.tmp(16)
ctx.emit( lshr_ (dest_seg, imm(14, 8), dest_rpl))
ctx.emit( lshr_ (src_seg, imm(14, 8), src_rpl))
ctx.emit( sub_ (dest_seg, src_seg, tmp0))
ctx.emit( and_ (tmp0, imm(sign_bit(32), 32), tmp0))
ctx.emit( bisz_ (tmp0, tmp1))
ctx.emit( jcc_ ('check_passed'))
ctx.emit( str_ (imm(1, 8), r('zf', 8)))
ctx.emit( and_ (dest_seg, imm(0b0011111111111111, 16), result_seg))
ctx.emit( and_ (src_seg, imm(0b1100000000000000, 16), tmp2))
ctx.emit( or_ (dest_seg, tmp2, dest_seg))
operand.set(ctx, i, 0, result_seg)
ctx.emit( jcc_ (imm(1, 8), 'done'))
ctx.emit('check_passed')
ctx.emit( str_ (imm(0, 8), r('zf', 8)))
ctx.emit('done')
ctx.emit( nop_())
开发者ID:c01db33f，项目名称:reil，代码行数:33，代码来源:misc.py
示例4: x86_cmpxchg
def x86_cmpxchg(ctx, i):
a = ctx.accumulator
b = operand.get(ctx, i, 0)
c = operand.get(ctx, i, 1)
if b.size != a.size:
prev_a = a
a = ctx.tmp(b.size)
ctx.emit( str_ (prev_a, a))
tmp0 = ctx.tmp(8)
ctx.emit( equ_ (a, b, tmp0))
ctx.emit( jcc_ (tmp0, 'equal'))
ctx.emit('not-equal')
ctx.emit( str_ (c, ctx.accumulator))
ctx.emit( str_ (imm(0, 8), r('zf', 8)))
ctx.emit( jcc_ (imm(1, 8), 'done'))
ctx.emit('equal')
operand.set(ctx, i, 0, c)
ctx.emit( str_ (imm(1, 8), r('zf', 8)))
ctx.emit('done')
ctx.emit( nop_())
开发者ID:c01db33f，项目名称:reil，代码行数:26，代码来源:misc.py
示例5: x86_bextr
def x86_bextr(ctx, i):
a = operand.get(ctx, i, 1)
b = operand.get(ctx, i, 2)
start = ctx.tmp(8)
length = ctx.tmp(8)
mask = ctx.tmp(a.size)
tmp0 = ctx.tmp(8)
result = ctx.tmp(a.size)
ctx.emit( str_ (b, start))
ctx.emit( lshr_ (b, imm(8, 8), length))
# we are masking off [11111[start + length , start]111111]
ctx.emit( sub_ (imm(a.size, a.size), length, tmp0))
ctx.emit( lshr_ (imm(mask(a.size), a.size), tmp0, mask))
# [[start + length, start]111111]
ctx.emit( add_ (tmp0, start, tmp0))
ctx.emit( lshl_ (mask, tmp0, mask))
# [000000000000[start + length, start]]
ctx.emit( lshr_ (mask, start, mask))
# we have our mask [00000[start + length , start]000000]
ctx.emit( and_ (a, mask, result))
ctx.emit( lshr_ (result, start, result))
set_zf(ctx, result)
ctx.emit( str_ (imm(0, 8), r('cf', 8)))
ctx.emit( undef_(r('af', 8)))
ctx.emit( undef_(r('sf', 8)))
ctx.emit( undef_(r('pf', 8)))
operand.set(ctx, i, 0, result)
开发者ID:c01db33f，项目名称:reil，代码行数:32，代码来源:bitwise.py
示例6: x86_shrd
def x86_shrd(ctx, i):
a = operand.get(ctx, i, 0)
b = operand.get(ctx, i, 1)
if len(i.operands) == 2:
c = ctx.counter
else:
c = operand.get(ctx, i, 2)
size = a.size
max_shift = size - 1
tmp0 = ctx.tmp(size)
tmp1 = ctx.tmp(size * 2)
result = ctx.tmp(size)
# the shift amount is truncated at word_size - 1
ctx.emit( and_ (c, imm(max_shift, size), tmp0))
# make a register double the size of the operands containing b a
ctx.emit( str_ (b, tmp1))
ctx.emit( lshl_ (tmp1, imm(size // 8, 8), tmp1))
ctx.emit( or_ (tmp1, a, tmp1))
# now shift right by the desired amount
ctx.emit( lshr_ (tmp1, tmp0, tmp1))
# and truncate into result
ctx.emit( str_ (tmp1, result))
# TODO: flags properly
_shift_set_flags(ctx, result)
operand.set(ctx, i, 0, result)
开发者ID:c01db33f，项目名称:reil，代码行数:35，代码来源:bitwise.py
示例7: x86_imul
def x86_imul(ctx, i):
if len(i.operands) == 1:
# single operand form
ctx.emit( unkn_())
elif len(i.operands) == 2:
# double operand form
a = operand.get(ctx, i, 0)
b = operand.get(ctx, i, 1)
result = ctx.tmp(a.size * 2)
ctx.emit( mul_ (a, b, result))
operand.set(ctx, i, 0, result)
_imul_set_flags(ctx, result)
else:
# triple operand form
a = operand.get(ctx, i, 1)
b = operand.get(ctx, i, 2)
if b.size < a.size:
prev_b = b
b = ctx.tmp(a.size)
ctx.emit( sex_ (prev_b, b))
result = ctx.tmp(a.size * 2)
ctx.emit( mul_ (a, b, result))
operand.set(ctx, i, 0, result)
_imul_set_flags(ctx, result)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:35，代码来源:arithmetic.py
示例8: x86_pshufd
def x86_pshufd(ctx, i):
src = operand.get(ctx, i, 1)
order = operand.get(ctx, i, 2)
value = imm(0, 128)
for j in range(0, 4):
prev_order = order
order = ctx.tmp(8)
prev_value = value
value = ctx.tmp(128)
tmp0 = ctx.tmp(128)
tmp1 = ctx.tmp(8)
tmp2 = ctx.tmp(32)
tmp3 = ctx.tmp(128)
tmp4 = ctx.tmp(32)
tmp5 = ctx.tmp(128)
tmp6 = ctx.tmp(128)
ctx.emit( lshr_ (prev_order, imm(2, 8), order))
ctx.emit( and_ (prev_order, imm(0b00000011, 8), tmp1))
ctx.emit( mul_ (tmp1, imm(32, 32), tmp2))
ctx.emit( lshr_ (src, tmp2, tmp3))
ctx.emit( str_ (tmp3, tmp4))
ctx.emit( str_ (tmp4, tmp5))
ctx.emit( lshl_ (tmp5, imm(j * 32, 8), tmp6))
ctx.emit( add_ (tmp6, prev_value, value))
operand.set(ctx, i, 0, value)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:31，代码来源:sse.py
示例9: x86_bswap
def x86_bswap(ctx, i):
a = operand.get(ctx, i, 0)
bytes = unpack(ctx, a, 8)
bytes.reverse()
value = pack(ctx, bytes)
operand.set(ctx, i, 0, value)
开发者ID:c01db33f，项目名称:reil，代码行数:8，代码来源:misc.py
示例10: x86_pcmpgt
def x86_pcmpgt(ctx, i, size):
a_id, b_id, dst_id = vex_opnds(i)
a = operand.get(ctx, i, a_id)
b = operand.get(ctx, i, b_id)
a_parts = unpack(ctx, a, size)
b_parts = unpack(ctx, b, size)
a_sign = ctx.tmp(size)
a_abs = ctx.tmp(size)
b_sign = ctx.tmp(size)
b_abs = ctx.tmp(size)
tmp0 = ctx.tmp(size * 2)
a_abs_lt_b_abs = ctx.tmp(8)
tmp1 = ctx.tmp(size)
a_b_same_sign = ctx.tmp(8)
a_neg = ctx.tmp(8)
b_nonneg = ctx.tmp(8)
a_neg_and_b_nonneg = ctx.tmp(8)
cond = ctx.tmp(8)
dst_parts = []
for a_part, b_part in zip(a_parts, b_parts):
dst_part = ctx.tmp(size)
ctx.emit( and_ (a_part, imm(sign_bit(size), size), a_sign))
ctx.emit( and_ (a_part, imm(~sign_bit(size), size), a_abs))
ctx.emit( and_ (b_part, imm(sign_bit(size), size), b_sign))
ctx.emit( and_ (b_part, imm(~sign_bit(size), size), b_abs))
# a < b <==> (|a| < |b| and sign(a) == sign(b)) or (a < 0 and b >= 0)
# |a| < |b|
ctx.emit( sub_ (a_abs, b_abs, tmp0))
ctx.emit( and_ (tmp0, imm(sign_bit(size * 2), size * 2), tmp0))
ctx.emit( bisz_ (tmp0, a_abs_lt_b_abs))
# sign(a) == sign(b)
ctx.emit( xor_ (a_sign, b_sign, tmp1))
ctx.emit( bisz_ (tmp1, a_b_same_sign))
# a < 0 and b >= 0
ctx.emit( bisnz_(a_sign, a_neg))
ctx.emit( bisz_ (b_sign, b_nonneg))
ctx.emit( and_ (a_neg, b_nonneg, a_neg_and_b_nonneg))
ctx.emit( and_ (a_abs_lt_b_abs, a_b_same_sign, cond))
ctx.emit( or_ (cond, a_neg_and_b_nonneg, cond))
ctx.emit( mul_ (cond, imm(mask(size), size), dst_part))
dst_parts.append(dst_part)
value = pack(ctx, dst_parts)
operand.set(ctx, i, dst_id, value)
开发者ID:c01db33f，项目名称:reil，代码行数:58，代码来源:sse.py
示例11: x86_rol
def x86_rol(ctx, i):
a = operand.get(ctx, i, 0)
b = operand.get(ctx, i, 1)
max_shift = a.size-1
size = a.size
tmp0 = ctx.tmp(size)
tmp1 = ctx.tmp(8)
tmp2 = ctx.tmp(size * 2)
tmp3 = ctx.tmp(size * 2)
tmp4 = ctx.tmp(size)
tmp5 = ctx.tmp(size * 2)
tmp6 = ctx.tmp(size * 2)
tmp7 = ctx.tmp(size)
tmp8 = ctx.tmp(size)
result = ctx.tmp(size)
# the rotate amount is truncated at word_size - 1
ctx.emit( and_ (b, imm(max_shift, size), tmp0))
# zero rotate doesn't affect flags
ctx.emit( bisz_ (tmp0, tmp1))
ctx.emit( jcc_ (tmp1, 'zero_rotate'))
# zero extend
ctx.emit( str_ (a, tmp2))
# left shift by the correct amount
ctx.emit( lshl_ (tmp2, tmp0, tmp3))
# truncate to get first half of result
ctx.emit( str_ (tmp3, tmp4))
# shift out then truncate to get second half of result
ctx.emit( lshr_ (tmp3, imm(max_shift+1, size * 2), tmp5))
ctx.emit( str_ (tmp5, tmp6))
# or both halves of the result
ctx.emit( or_ (tmp4, tmp6, result))
# compute carry flag (last bit that was shifted across)
ctx.emit( and_ (result, imm(1, size), tmp7))
ctx.emit( bisnz_(tmp7, r('cf', 8)))
if isinstance(b, reil.ImmediateOperand) and b.value == 1:
# overflow flag is msb of input ^ msb output
tmp9 = ctx.tmp(size)
ctx.emit( and_ (a, imm(sign_bit(size), size), tmp8))
ctx.emit( xor_ (tmp8, tmp7, tmp8))
ctx.emit( bisnz_(tmp8, r('of', 8)))
else:
ctx.emit( undef_(r('of', 8)))
operand.set(ctx, i, 0, result)
ctx.emit( 'zero_rotate')
ctx.emit( nop_())
开发者ID:c01db33f，项目名称:reil，代码行数:58，代码来源:bitwise.py
示例12: x86_movlpd
def x86_movlpd(ctx, i):
a = operand.get(ctx, i, 0)
value = operand.get(ctx, i, 1)
tmp0 = ctx.tmp(a.size)
tmp1 = ctx.tmp(a.size)
ctx.emit( and_ (a, imm(0xffffffffffffffff0000000000000000, 128), tmp0))
ctx.emit( or_ (tmp0, value, tmp0))
operand.set(ctx, i, 0, tmp0)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:9，代码来源:sse.py
示例13: x86_not
def x86_not(ctx, i):
a = operand.get(ctx, i, 0)
size = a.size
result = ctx.tmp(size)
ctx.emit( xor_ (a, imm(mask(size), size), result))
operand.set(ctx, i, 0, result)
开发者ID:c01db33f，项目名称:reil，代码行数:9，代码来源:logic.py
示例14: x86_shl
def x86_shl(ctx, i):
a = operand.get(ctx, i, 0)
if len(i.operands) == 1:
if i.mnemonic.endswith('1'):
b = imm(1, a.size)
else:
b = ctx.counter
else:
b = operand.get(ctx, i, 1)
max_shift = a.size-1
size = a.size
tmp0 = ctx.tmp(size)
tmp1 = ctx.tmp(size * 2)
tmp2 = ctx.tmp(size * 2)
tmp3 = ctx.tmp(size * 2)
tmp4 = ctx.tmp(8)
tmp5 = ctx.tmp(size)
tmp6 = ctx.tmp(8)
result = ctx.tmp(size)
ctx.emit( and_ (b, imm(max_shift, size), tmp0))
# zero extend
ctx.emit( str_ (a, tmp1))
# left shift by the correct amount
ctx.emit( lshl_ (tmp1, tmp0, tmp2))
# truncate to get result
ctx.emit( str_ (tmp2, result))
# compute carry flag
ctx.emit( and_ (tmp2, imm(carry_bit(size), size * 2), tmp3))
ctx.emit( bisnz_(tmp3, r('cf', 8)))
ctx.emit( equ_ (tmp0, imm(1, size), tmp4))
ctx.emit( bisz_ (tmp4, tmp4))
ctx.emit( jcc_ (tmp4, 'no_overflow_flag'))
# compute overflow flag
ctx.emit( and_ (result, imm(sign_bit(size), size), tmp5))
ctx.emit( bisz_ (tmp5, tmp6))
ctx.emit( equ_ (r('cf', 8), tmp6, r('of', 8)))
ctx.emit( jcc_ (imm(1, 8), 'overflow_flag_done'))
ctx.emit('no_overflow_flag')
ctx.emit( str_ (imm(0, 8), r('of', 8)))
ctx.emit('overflow_flag_done')
_shift_set_flags(ctx, result)
operand.set(ctx, i, 0, result)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:56，代码来源:bitwise.py
示例15: x86_pxor
def x86_pxor(ctx, i):
a = operand.get(ctx, i, 0)
b = operand.get(ctx, i, 1)
size = min(a.size, b.size)
value = ctx.tmp(size)
ctx.emit( xor_ (a, b, value))
operand.set(ctx, i, 0, value)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:10，代码来源:sse.py
示例16: x86_neg
def x86_neg(ctx, i):
a = operand.get(ctx, i, 0)
result = ctx.tmp(a.size * 2)
ctx.emit( sub_ (imm(0, a.size), a, result))
_sub_set_flags(ctx, imm(0, a.size), a, result)
operand.set(ctx, i, 0, result)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:10，代码来源:arithmetic.py
示例17: x86_xchg
def x86_xchg(ctx, i):
a = operand.get(ctx, i, 0)
b = operand.get(ctx, i, 1)
tmp0 = ctx.tmp(a.size)
ctx.emit( str_ (a, tmp0))
operand.set(ctx, i, 0, b)
operand.set(ctx, i, 1, tmp0)
开发者ID:c01db33f，项目名称:reil，代码行数:10，代码来源:misc.py
示例18: x86_movzx
def x86_movzx(ctx, i):
value = None
if len(i.operands) == 1:
# source is the accumulator
value = ctx.accumulator
else:
value = operand.get(ctx, i, 1)
operand.set(ctx, i, 0, value, clear=True, sign_extend=False)
开发者ID:c01db33f，项目名称:reil，代码行数:10，代码来源:memory.py
示例19: x86_pop
def x86_pop(ctx, i):
a = operand.get(ctx, i, 0)
value = ctx.tmp(a.size)
ctx.emit( ldm_ (ctx.stack_ptr, value))
ctx.emit( add_ (ctx.stack_ptr,
imm(value.size // 8, ctx.word_size),
ctx.stack_ptr))
operand.set(ctx, i, 0, value)
开发者ID:acutebridge，项目名称:pyreil，代码行数:10，代码来源:memory.py
示例20: x86_inc
def x86_inc(ctx, i):
a = operand.get(ctx, i, 0)
b = imm(1, a.size)
result = ctx.tmp(a.size * 2)
ctx.emit( add_ (a, b, result))
_add_set_flags(ctx, a, b, result, cf=False)
operand.set(ctx, i, 0, result)
开发者ID:joxeankoret，项目名称:pyreil，代码行数:11，代码来源:arithmetic.py
注：本文中的reil.x86.operand.set函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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