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support xmm registers

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This commit is contained in:
Andrew Dutcher 2016-06-29 03:56:53 -07:00
parent 236b6e9085
commit 4a8f52ae7f
2 changed files with 34 additions and 0 deletions
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18
bindings/python/unicorn/unicorn.py
View file

@ -202,6 +202,14 @@ class uc_x86_float80(ctypes.Structure):
] ]
class uc_x86_xmm(ctypes.Structure):
"""128-bit xmm register"""
_fields_ = [
("lowdword", ctypes.c_uint64),
("highdword", ctypes.c_uint64),
]
class Uc(object): class Uc(object):
def __init__(self, arch, mode): def __init__(self, arch, mode):
# verify version compatibility with the core before doing anything # verify version compatibility with the core before doing anything
@ -260,6 +268,12 @@ class Uc(object):
if status != uc.UC_ERR_OK: if status != uc.UC_ERR_OK:
raise UcError(status) raise UcError(status)
return reg.mantissa, reg.exponent return reg.mantissa, reg.exponent
if reg_id in range(x86_const.UC_X86_REG_XMM0, x86_const.UC_X86_REG_XMM0+8):
reg = uc_x86_xmm()
status = _uc.uc_reg_read(self._uch, reg_id, ctypes.byref(reg))
if status != uc.UC_ERR_OK:
raise UcError(status)
return reg.lowdword | (reg.highdword << 64)
# read to 64bit number to be safe # read to 64bit number to be safe
reg = ctypes.c_int64(0) reg = ctypes.c_int64(0)
@ -284,6 +298,10 @@ class Uc(object):
reg = uc_x86_float80() reg = uc_x86_float80()
reg.mantissa = value[0] reg.mantissa = value[0]
reg.exponent = value[1] reg.exponent = value[1]
if reg_id in range(x86_const.UC_X86_REG_XMM0, x86_const.UC_X86_REG_XMM0+8):
reg = uc_x86_xmm()
reg.lowdword = value & 0xffffffffffffffff
reg.highdword = value >> 64
if reg is None: if reg is None:
# convert to 64bit number to be safe # convert to 64bit number to be safe

16
qemu/target-i386/unicorn.c
View file

@ -195,6 +195,14 @@ int x86_reg_read(struct uc_struct *uc, unsigned int *regs, void **vals, int coun
*(uint16_t*) value = fptag; *(uint16_t*) value = fptag;
} }
continue; continue;
case UC_X86_REG_XMM0 ... UC_X86_REG_XMM7:
{
float64 *dst = (float64*)value;
XMMReg *reg = &X86_CPU(uc, mycpu)->env.xmm_regs[regid - UC_X86_REG_XMM0];
dst[0] = reg->_d[0];
dst[1] = reg->_d[1];
continue;
}
} }
switch(uc->mode) { switch(uc->mode) {
@ -666,6 +674,14 @@ int x86_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals, i
continue; continue;
} }
break; break;
case UC_X86_REG_XMM0 ... UC_X86_REG_XMM7:
{
float64 *src = (float64*)value;
XMMReg *reg = &X86_CPU(uc, mycpu)->env.xmm_regs[regid - UC_X86_REG_XMM0];
reg->_d[0] = src[0];
reg->_d[1] = src[1];
continue;
}
} }
switch(uc->mode) { switch(uc->mode) {