def bregN(self, regnum):
'''The single operand of the DW_OP_bregn operations provides a signed LEB128 offset from the specified
register.'''
offset = SLEB.decode(self.expression)
if offset > 0:
self.push('(char *) get_reg(%i) + %#x' % (regnum, offset))
elif offset < 0:
self.push('(char *) get_reg(%i) - %#x' % (regnum, abs(offset)))
else:
self.push('(char *) get_reg(%i)' % (regnum))
def bregN(self, regnum):
'''The single operand of the DW_OP_bregn operations provides a signed LEB128 offset from the specified
register.'''
offset = SLEB.decode(self.expression)
if offset > 0:
self.push('(char *) get_reg(%i) + %#x' % (regnum, offset))
elif offset < 0:
self.push('(char *) get_reg(%i) - %#x' % (regnum, abs(offset)))
else:
self.push('(char *) get_reg(%i)' % (regnum))
def fbreg(self):
'''The DW_OP_fbreg operation provides a signed LEB128 offset from the address specified by the location
description in the DW_AT_frame_base attribute of the current function. (This is typically a "stack pointer"
register plus or minus some offset. On more sophisticated systems it might be a location list that adjusts
the offset according to changes in the stack pointer as the PC changes.)'''
offset = SLEB.decode(self.expression)
if offset > 0:
self.push('__adbi_frame__ + %#x' % offset)
elif offset < 0:
self.push('__adbi_frame__ - %#x' % abs(offset))
else:
self.push('__adbi_frame__')
self.uses_frame = True
def fbreg(self):
'''The DW_OP_fbreg operation provides a signed LEB128 offset from the address specified by the location
description in the DW_AT_frame_base attribute of the current function. (This is typically a "stack pointer"
register plus or minus some offset. On more sophisticated systems it might be a location list that adjusts
the offset according to changes in the stack pointer as the PC changes.)'''
offset = SLEB.decode(self.expression)
if offset > 0:
self.push('__adbi_frame__ + %#x' % offset)
elif offset < 0:
self.push('__adbi_frame__ - %#x' % abs(offset))
else:
self.push('__adbi_frame__')
self.uses_frame = True
def consts(self):
'''The single operand of the DW_OP_consts operation provides a signed LEB128 integer constant.'''
val = SLEB.decode(self.expression)
self.push('%#x' % val)
def consts(self):
'''The single operand of the DW_OP_consts operation provides a signed LEB128 integer constant.'''
val = SLEB.decode(self.expression)
self.push('%#x' % val)
