def FreeDosObject(self, ctx):
obj_type = ctx.cpu.r_reg(REG_D1)
ptr = ctx.cpu.r_reg(REG_D2)
# retrieve struct
if ptr in self.dos_objs:
entry = self.dos_objs[ptr]
del self.dos_objs[ptr]
# check type
if obj_type != entry[1]:
log_dos.warn("FreeDosObject: type mismatch %d != %d", obj_type, entry[1])
# free struct
ctx.alloc.free_struct(entry[0])
else:
log_dos.error("FreeDosObject: type=%d ptr=%08x -> NOT FOUND!", obj_type, ptr)
def FreeDosObject(self, ctx):
obj_type = ctx.cpu.r_reg(REG_D1)
ptr = ctx.cpu.r_reg(REG_D2)
# retrieve struct
if ptr in self.dos_objs:
entry = self.dos_objs[ptr]
del self.dos_objs[ptr]
# check type
if obj_type != entry[1]:
log_dos.warn("FreeDosObject: type mismatch %d != %d", obj_type,
entry[1])
# free struct
ctx.alloc.free_struct(entry[0])
else:
log_dos.error("FreeDosObject: type=%d ptr=%08x -> NOT FOUND!",
obj_type, ptr)
def AllocDosObject(self, ctx):
obj_type = ctx.cpu.r_reg(REG_D1)
tags_ptr = ctx.cpu.r_reg(REG_D2)
if obj_type == 0: # DOS_FILEHANDLE
name = "DOS_FILEHANDLE"
struct_def = FileHandleDef
elif obj_type == 1: # DOS_EXALLCONTROL
name = "DOS_EXALLCONTROL"
struct_def = None
elif obj_type == 2: # DOS_FIB
name = "DOS_FIB"
struct_def = FileInfoBlockDef
elif obj_type == 3: # DOS_STDPKT
name = "DOS_STDPKT"
struct_def = DosPacketDef
elif obj_type == 4: # DOS_CLI
name = "DOS_CLI"
struct_def = CLIDef
elif obj_type == 5: # DOS_RDARGS
name = "DOS_RDARGS"
struct_def = RDArgsDef
else:
log_dos.error("AllocDosObject: invalid type=%d", obj_type)
return 0
if struct_def is None:
log_dos.warn("AllocDosObject: unsupported type=%d/%s", obj_type,
name)
return 0
# allocate struct
dos_obj = ctx.alloc.alloc_struct(name, struct_def)
log_dos.info("AllocDosObject: type=%d/%s tags_ptr=%08x -> dos_obj=%s",
obj_type, name, tags_ptr, dos_obj)
# store struct
ptr = dos_obj.addr
self.dos_objs[ptr] = (dos_obj, obj_type)
# pre fill struct
if obj_type == 0:
dos_obj.access.w_s('fh_Pos', 0xffffffff)
dos_obj.access.w_s('fh_End', 0xffffffff)
elif obj_type == 4:
raise UnsupportedFeatureError("AllocDosObject: DOS_CLI fill TBD")
return ptr
def AllocDosObject(self, ctx):
obj_type = ctx.cpu.r_reg(REG_D1)
tags_ptr = ctx.cpu.r_reg(REG_D2)
if obj_type == 0: # DOS_FILEHANDLE
name = "DOS_FILEHANDLE"
struct_def = FileHandleDef
elif obj_type == 1: # DOS_EXALLCONTROL
name = "DOS_EXALLCONTROL"
struct_def = None
elif obj_type == 2: # DOS_FIB
name = "DOS_FIB"
struct_def = FileInfoBlockDef
elif obj_type == 3: # DOS_STDPKT
name = "DOS_STDPKT"
struct_def = DosPacketDef
elif obj_type == 4: # DOS_CLI
name = "DOS_CLI"
struct_def = CLIDef
elif obj_type == 5: # DOS_RDARGS
name = "DOS_RDARGS"
struct_def = RDArgsDef
else:
log_dos.error("AllocDosObject: invalid type=%d", obj_type)
return 0
if struct_def is None:
log_dos.warn("AllocDosObject: unsupported type=%d/%s", obj_type, name)
return 0
# allocate struct
dos_obj = ctx.alloc.alloc_struct(name, struct_def)
log_dos.info("AllocDosObject: type=%d/%s tags_ptr=%08x -> dos_obj=%s",
obj_type, name, tags_ptr, dos_obj)
# store struct
ptr = dos_obj.addr
self.dos_objs[ptr] = (dos_obj, obj_type)
# pre fill struct
if obj_type == 0:
dos_obj.access.w_s('fh_Pos',0xffffffff)
dos_obj.access.w_s('fh_End',0xffffffff)
elif obj_type == 4:
raise UnsupportedFeatureError("AllocDosObject: DOS_CLI fill TBD")
return ptr
