Source code for binaryninja.platform
# Copyright (c) 2015-2024 Vector 35 Inc
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
import os
import ctypes
import traceback
import warnings
from typing import List, Dict, Optional, Tuple
# Binary Ninja components
import binaryninja
from . import _binaryninjacore as core
from . import types
from . import typeparser
from . import callingconvention
from . import typelibrary
from . import architecture
from . import typecontainer
from . import binaryview
from .log import log_error
class _PlatformMetaClass(type):
def __iter__(self):
binaryninja._init_plugins()
count = ctypes.c_ulonglong()
platforms = core.BNGetPlatformList(count)
assert platforms is not None, "core.BNGetPlatformList returned None"
try:
for i in range(0, count.value):
yield CorePlatform(handle=core.BNNewPlatformReference(platforms[i]))
finally:
core.BNFreePlatformList(platforms, count.value)
def __getitem__(cls, value):
binaryninja._init_plugins()
platform = core.BNGetPlatformByName(str(value))
if platform is None:
raise KeyError("'%s' is not a valid platform" % str(value))
return CorePlatform(handle=platform)
[docs]
class Platform(metaclass=_PlatformMetaClass):
"""
``class Platform`` contains all information related to the execution environment of the binary, mainly the
calling conventions used.
"""
name = None
type_file_path = None # path to platform types file
type_include_dirs = [] # list of directories available to #include from type_file_path
global_regs = [] # list of global registers. if empty, it populated with the arch global reg list
global_reg_types = {} # opportunity for plugin to provide default types for the entry value of global registers
_registered_platforms = []
def __init__(self, arch: Optional['architecture.Architecture'] = None, handle=None):
if handle is None:
if arch is None:
raise ValueError("platform must have an associated architecture")
assert self.__class__.name is not None, "Can not instantiate Platform directly, you probably want arch.standalone_platform"
_arch = arch
if len(self.global_regs) == 0:
self.__dict__["global_regs"] = arch.global_regs
self._cb = core.BNCustomPlatform()
self._cb.context = 0
self._cb.init = self._cb.init.__class__(self._init)
self._cb.viewInit = self._cb.viewInit.__class__(self._view_init)
self._cb.getGlobalRegisters = self._cb.getGlobalRegisters.__class__(self._get_global_regs)
self._cb.freeRegisterList = self._cb.freeRegisterList.__class__(self._free_register_list)
self._cb.getGlobalRegisterType = self._cb.getGlobalRegisterType.__class__(self._get_global_reg_type)
self._cb.adjustTypeParserInput = self._cb.adjustTypeParserInput.__class__(self._adjust_type_parser_input)
self._cb.freeTypeParserInput = self._cb.freeTypeParserInput.__class__(self._free_type_parser_input)
self._pending_reg_lists = {}
self._pending_parser_input_lists = {}
if self.__class__.type_file_path is None:
_handle = core.BNCreateCustomPlatform(arch.handle, self.__class__.name, self._cb)
assert _handle is not None
else:
dir_buf = (ctypes.c_char_p * len(self.__class__.type_include_dirs))()
for (i, dir) in enumerate(self.__class__.type_include_dirs):
dir_buf[i] = dir.encode('charmap')
_handle = core.BNCreateCustomPlatformWithTypes(
arch.handle, self.__class__.name, self._cb, self.__class__.type_file_path, dir_buf,
len(self.__class__.type_include_dirs)
)
assert _handle is not None
self.__class__._registered_platforms.append(self)
else:
if type(self) is Platform:
binaryninja.log_warn(
":py:func:`Platform(handle=...)` is deprecated, use :py:func:`CorePlatform._from_cache(handle=...)`"
)
_handle = handle
_arch = architecture.CoreArchitecture._from_cache(core.BNGetPlatformArchitecture(_handle))
count = ctypes.c_ulonglong()
regs = core.BNGetPlatformGlobalRegisters(handle, count)
result = []
for i in range(0, count.value):
result.append(_arch.get_reg_name(regs[i]))
core.BNFreeRegisterList(regs)
self.__dict__["global_regs"] = result
assert _handle is not None
assert _arch is not None
self.handle: ctypes.POINTER(core.BNPlatform) = _handle
self._arch = _arch
self._name = None
def _init(self, ctxt):
pass
def _view_init(self, ctxt, view):
try:
view_obj = binaryview.BinaryView(handle=core.BNNewViewReference(view))
self.view_init(view)
except:
log_error(traceback.format_exc())
def _get_global_regs(self, ctxt, count):
try:
regs = self.global_regs
count[0] = len(regs)
reg_buf = (ctypes.c_uint * len(regs))()
for i in range(0, len(regs)):
reg_buf[i] = self.arch.regs[regs[i]].index
result = ctypes.cast(reg_buf, ctypes.c_void_p)
self._pending_reg_lists[result.value] = (result, reg_buf)
return result.value
except:
log_error(traceback.format_exc())
count[0] = 0
return None
def _free_register_list(self, ctxt, regs, size):
try:
buf = ctypes.cast(regs, ctypes.c_void_p)
if buf.value not in self._pending_reg_lists:
raise ValueError("freeing register list that wasn't allocated")
del self._pending_reg_lists[buf.value]
except:
log_error(traceback.format_exc())
def _get_global_reg_type(self, ctxt, reg):
try:
reg_name = self.arch.get_reg_name(reg)
if reg_name in self.global_reg_types:
type_obj = self.global_reg_types[reg_name]
log_error(f"aaaa {type_obj}")
handle = core.BNNewTypeReference(type_obj.handle)
return ctypes.cast(handle, ctypes.c_void_p).value
return None
except:
log_error(traceback.format_exc())
return None
def _adjust_type_parser_input(
self,
ctxt,
parser,
arguments_in,
arguments_len_in,
source_file_names_in,
source_file_values_in,
source_files_len_in,
arguments_out,
arguments_len_out,
source_file_names_out,
source_file_values_out,
source_files_len_out
):
try:
parser_py = typeparser.TypeParser(handle=parser)
arguments = []
for i in range(arguments_len_in):
arguments.append(core.pyNativeStr(arguments_in[i]))
source_files = []
for i in range(source_files_len_in):
source_files.append((core.pyNativeStr(source_file_names_in[i]), core.pyNativeStr(source_file_values_in[i])))
arguments, source_files = self.adjust_type_parser_input(parser_py, arguments, source_files)
arguments_len_out[0] = len(arguments)
arguments_buf = (ctypes.c_char_p * len(arguments))()
for i, r in enumerate(arguments):
arguments_buf[i] = core.cstr(r)
arguments_ptr = ctypes.cast(arguments_buf, ctypes.c_void_p)
arguments_out[0] = arguments_buf
self._pending_parser_input_lists[arguments_ptr.value] = (arguments_ptr.value, arguments_buf)
source_files_len_out[0] = len(source_files)
source_file_names_buf = (ctypes.c_char_p * len(source_files))()
source_file_values_buf = (ctypes.c_char_p * len(source_files))()
for i, (name, value) in enumerate(source_files):
source_file_names_buf[i] = core.cstr(name)
source_file_values_buf[i] = core.cstr(value)
source_file_names_ptr = ctypes.cast(source_file_names_buf, ctypes.c_void_p)
source_file_names_out[0] = source_file_names_buf
source_file_values_ptr = ctypes.cast(source_file_values_buf, ctypes.c_void_p)
source_file_values_out[0] = source_file_values_buf
self._pending_parser_input_lists[source_file_names_ptr.value] = (source_file_names_ptr.value, source_file_names_buf)
self._pending_parser_input_lists[source_file_values_ptr.value] = (source_file_values_ptr.value, source_file_values_buf)
except:
arguments_out[0] = None
arguments_len_out[0] = 0
source_file_names_out[0] = None
source_file_values_out[0] = None
source_files_len_out[0] = 0
traceback.print_exc()
def _free_type_parser_input(
self,
ctxt,
arguments,
arguments_len,
source_file_names,
source_file_values,
source_files_len
):
try:
buf = ctypes.cast(arguments, ctypes.c_void_p)
if buf.value is not None:
if buf.value not in self._pending_parser_input_lists:
raise ValueError("freeing arguments list that wasn't allocated")
del self._pending_parser_input_lists[buf.value]
buf = ctypes.cast(source_file_names, ctypes.c_void_p)
if buf.value is not None:
if buf.value not in self._pending_parser_input_lists:
raise ValueError("freeing source_file_names list that wasn't allocated")
del self._pending_parser_input_lists[buf.value]
buf = ctypes.cast(source_file_values, ctypes.c_void_p)
if buf.value is not None:
if buf.value not in self._pending_parser_input_lists:
raise ValueError("freeing source_file_values list that wasn't allocated")
del self._pending_parser_input_lists[buf.value]
except:
log_error(traceback.format_exc())
[docs]
def adjust_type_parser_input(
self,
parser: 'typeparser.TypeParser',
arguments: List[str],
source_files: List[Tuple[str, str]]
) -> Tuple[List[str], List[Tuple[str, str]]]:
"""
Modify the arguments passed to the Type Parser with Platform-specific features.
:param parser: Type Parser instance
:param arguments: Default arguments passed to the parser
:param source_files: Source file names and contents
:return: A tuple of (modified arguments, modified source files)
"""
return arguments, source_files
def __del__(self):
if core is not None:
core.BNFreePlatform(self.handle)
def __repr__(self):
return f"<platform: {self.name}>"
def __str__(self):
return self.name
def __eq__(self, other: 'Platform'):
if not isinstance(other, self.__class__):
return NotImplemented
return ctypes.addressof(self.handle.contents) == ctypes.addressof(other.handle.contents)
def __ne__(self, other: 'Platform'):
if not isinstance(other, self.__class__):
return NotImplemented
return not (self == other)
def __hash__(self):
return hash(ctypes.addressof(self.handle.contents))
@property
def name(self) -> str:
if self._name is None:
self._name = core.BNGetPlatformName(self.handle)
return self._name
@classmethod
@property
def os_list(cls) -> List[str]:
binaryninja._init_plugins()
count = ctypes.c_ulonglong()
platforms = core.BNGetPlatformOSList(count)
assert platforms is not None, "core.BNGetPlatformOSList returned None"
result:List[str] = []
for i in range(count.value):
result.append(str(platforms[i]))
core.BNFreePlatformOSList(platforms, count.value)
return result
[docs]
@classmethod
def get_list(cls, os=None, arch=None):
binaryninja._init_plugins()
count = ctypes.c_ulonglong()
if os is None:
platforms = core.BNGetPlatformList(count)
assert platforms is not None, "core.BNGetPlatformList returned None"
elif arch is None:
platforms = core.BNGetPlatformListByOS(os, count)
assert platforms is not None, "core.BNGetPlatformListByOS returned None"
else:
platforms = core.BNGetPlatformListByArchitecture(arch.handle, count)
assert platforms is not None, "core.BNGetPlatformListByArchitecture returned None"
result = []
for i in range(0, count.value):
result.append(CorePlatform._from_cache(core.BNNewPlatformReference(platforms[i])))
core.BNFreePlatformList(platforms, count.value)
return result
@property
def default_calling_convention(self):
"""
Default calling convention.
:getter: returns a CallingConvention object for the default calling convention.
:setter: sets the default calling convention
:type: CallingConvention
"""
result = core.BNGetPlatformDefaultCallingConvention(self.handle)
if result is None:
return None
return callingconvention.CallingConvention(handle=result)
@default_calling_convention.setter
def default_calling_convention(self, value):
core.BNRegisterPlatformDefaultCallingConvention(self.handle, value.handle)
@property
def cdecl_calling_convention(self):
"""
CallingConvention object for the cdecl calling convention
"""
result = core.BNGetPlatformCdeclCallingConvention(self.handle)
if result is None:
return None
return callingconvention.CallingConvention(handle=result)
@cdecl_calling_convention.setter
def cdecl_calling_convention(self, value):
"""
Sets the cdecl calling convention
"""
core.BNRegisterPlatformCdeclCallingConvention(self.handle, value.handle)
@property
def stdcall_calling_convention(self):
"""
CallingConvention object for the stdcall calling convention
"""
result = core.BNGetPlatformStdcallCallingConvention(self.handle)
if result is None:
return None
return callingconvention.CallingConvention(handle=result)
@stdcall_calling_convention.setter
def stdcall_calling_convention(self, value):
"""
Sets the stdcall calling convention
"""
core.BNRegisterPlatformStdcallCallingConvention(self.handle, value.handle)
@property
def fastcall_calling_convention(self):
"""
CallingConvention object for the fastcall calling convention
"""
result = core.BNGetPlatformFastcallCallingConvention(self.handle)
if result is None:
return None
return callingconvention.CallingConvention(handle=result)
@fastcall_calling_convention.setter
def fastcall_calling_convention(self, value):
"""
Sets the fastcall calling convention
"""
core.BNRegisterPlatformFastcallCallingConvention(self.handle, value.handle)
@property
def system_call_convention(self):
"""
CallingConvention object for the system call convention
"""
result = core.BNGetPlatformSystemCallConvention(self.handle)
if result is None:
return None
return callingconvention.CallingConvention(handle=result)
@system_call_convention.setter
def system_call_convention(self, value):
"""
Sets the system call convention
"""
core.BNSetPlatformSystemCallConvention(self.handle, value.handle)
@property
def calling_conventions(self):
"""
List of platform CallingConvention objects (read-only)
:getter: returns the list of supported CallingConvention objects
:type: list(CallingConvention)
"""
count = ctypes.c_ulonglong()
cc = core.BNGetPlatformCallingConventions(self.handle, count)
assert cc is not None, "core.BNGetPlatformCallingConventions returned None"
result = []
for i in range(0, count.value):
result.append(callingconvention.CallingConvention(handle=core.BNNewCallingConventionReference(cc[i])))
core.BNFreeCallingConventionList(cc, count.value)
return result
[docs]
def get_global_register_type(self, reg: 'architecture.RegisterType'):
reg = self.arch.get_reg_index(reg)
type_obj = core.BNGetPlatformGlobalRegisterType(self.handle, reg)
if type_obj is None:
return None
return types.Type.create(type_obj, platform=self)
#raise NotImplementedError
@property
def types(self):
"""List of platform-specific types (read-only)"""
count = ctypes.c_ulonglong(0)
type_list = core.BNGetPlatformTypes(self.handle, count)
assert type_list is not None, "core.BNGetPlatformTypes returned None"
result = {}
for i in range(0, count.value):
name = types.QualifiedName._from_core_struct(type_list[i].name)
result[name] = types.Type.create(core.BNNewTypeReference(type_list[i].type), platform=self)
core.BNFreeTypeAndNameList(type_list, count.value)
return result
@property
def variables(self):
"""List of platform-specific variable definitions (read-only)"""
count = ctypes.c_ulonglong(0)
type_list = core.BNGetPlatformVariables(self.handle, count)
assert type_list is not None, "core.BNGetPlatformVariables returned None"
result = {}
for i in range(0, count.value):
name = types.QualifiedName._from_core_struct(type_list[i].name)
result[name] = types.Type.create(core.BNNewTypeReference(type_list[i].type), platform=self)
core.BNFreeTypeAndNameList(type_list, count.value)
return result
@property
def functions(self):
"""List of platform-specific function definitions (read-only)"""
count = ctypes.c_ulonglong(0)
type_list = core.BNGetPlatformFunctions(self.handle, count)
assert type_list is not None, "core.BNGetPlatformFunctions returned None"
result = {}
for i in range(0, count.value):
name = types.QualifiedName._from_core_struct(type_list[i].name)
result[name] = types.Type.create(core.BNNewTypeReference(type_list[i].type), platform=self)
core.BNFreeTypeAndNameList(type_list, count.value)
return result
@property
def system_calls(self):
"""List of system calls for this platform (read-only)"""
count = ctypes.c_ulonglong(0)
call_list = core.BNGetPlatformSystemCalls(self.handle, count)
assert call_list is not None, "core.BNGetPlatformSystemCalls returned None"
result = {}
for i in range(0, count.value):
name = types.QualifiedName._from_core_struct(call_list[i].name)
t = types.Type.create(core.BNNewTypeReference(call_list[i].type), platform=self)
result[call_list[i].number] = (name, t)
core.BNFreeSystemCallList(call_list, count.value)
return result
@property
def type_libraries(self) -> List['typelibrary.TypeLibrary']:
count = ctypes.c_ulonglong(0)
libs = core.BNGetPlatformTypeLibraries(self.handle, count)
assert libs is not None, "core.BNGetPlatformTypeLibraries returned None"
result = []
for i in range(0, count.value):
result.append(typelibrary.TypeLibrary(core.BNNewTypeLibraryReference(libs[i])))
core.BNFreeTypeLibraryList(libs, count.value)
return result
[docs]
def get_type_libraries_by_name(self, name) -> List['typelibrary.TypeLibrary']:
count = ctypes.c_ulonglong(0)
libs = core.BNGetPlatformTypeLibrariesByName(self.handle, name, count)
assert libs is not None, "core.BNGetPlatformTypeLibrariesByName returned None"
result = []
for i in range(0, count.value):
result.append(typelibrary.TypeLibrary(core.BNNewTypeLibraryReference(libs[i])))
core.BNFreeTypeLibraryList(libs, count.value)
return result
[docs]
def register(self, os):
"""
``register`` registers the platform for given OS name.
:param str os: OS name to register
:rtype: None
"""
core.BNRegisterPlatform(os, self.handle)
[docs]
def register_calling_convention(self, cc):
"""
``register_calling_convention`` register a new calling convention.
:param CallingConvention cc: a CallingConvention object to register
:rtype: None
"""
core.BNRegisterPlatformCallingConvention(self.handle, cc.handle)
[docs]
def get_associated_platform_by_address(self, addr):
new_addr = ctypes.c_ulonglong()
new_addr.value = addr
result = core.BNGetAssociatedPlatformByAddress(self.handle, new_addr)
return CorePlatform._from_cache(result), new_addr.value
@property
def type_container(self) -> 'typecontainer.TypeContainer':
"""
Type Container for all registered types in the Platform.
:return: Platform types Type Container
"""
return typecontainer.TypeContainer(core.BNGetPlatformTypeContainer(self.handle))
[docs]
def get_type_by_name(self, name):
name = types.QualifiedName(name)._to_core_struct()
obj = core.BNGetPlatformTypeByName(self.handle, name)
if not obj:
return None
return types.Type.create(obj, platform=self)
[docs]
def get_variable_by_name(self, name):
name = types.QualifiedName(name)._to_core_struct()
obj = core.BNGetPlatformVariableByName(self.handle, name)
if not obj:
return None
return types.Type.create(obj, platform=self)
[docs]
def get_function_by_name(self, name, exactMatch=False):
name = types.QualifiedName(name)._to_core_struct()
obj = core.BNGetPlatformFunctionByName(self.handle, name, exactMatch)
if not obj:
return None
return types.Type.create(obj, platform=self)
[docs]
def get_system_call_name(self, number):
return core.BNGetPlatformSystemCallName(self.handle, number)
[docs]
def get_system_call_type(self, number):
obj = core.BNGetPlatformSystemCallType(self.handle, number)
if not obj:
return None
return types.Type.create(obj, platform=self)
[docs]
def generate_auto_platform_type_id(self, name):
name = types.QualifiedName(name)._to_core_struct()
return core.BNGenerateAutoPlatformTypeId(self.handle, name)
[docs]
def generate_auto_platform_type_ref(self, type_class, name):
type_id = self.generate_auto_platform_type_id(name)
return types.NamedTypeReferenceBuilder.create(type_class, type_id, name)
[docs]
def get_auto_platform_type_id_source(self):
return core.BNGetAutoPlatformTypeIdSource(self.handle)
[docs]
def parse_types_from_source(
self, source, filename=None, include_dirs: Optional[List[str]] = None, auto_type_source=None
):
"""
``parse_types_from_source`` parses the source string and any needed headers searching for them in
the optional list of directories provided in ``include_dirs``. Note that this API does not allow
the source to rely on existing types that only exist in a specific view. Use :py:meth:`BinaryView.parse_type_string` instead.
:param str source: source string to be parsed
:param str filename: optional source filename
:param include_dirs: optional list of string filename include directories
:type include_dirs: list(str)
:param str auto_type_source: optional source of types if used for automatically generated types
:return: :py:class:`BasicTypeParserResult` (a SyntaxError is thrown on parse error)
:rtype: BasicTypeParserResult
:Example:
>>> platform.parse_types_from_source('int foo;\\nint bar(int x);\\nstruct bas{int x,y;};\\n')
({types: {'bas': <type: struct bas>}, variables: {'foo': <type: int32_t>}, functions:{'bar':
<type: int32_t(int32_t x)>}}, '')
>>>
"""
if filename is None:
filename = "input"
if not isinstance(source, str):
raise AttributeError("Source must be a string")
if include_dirs is None:
include_dirs = []
dir_buf = (ctypes.c_char_p * len(include_dirs))()
for i in range(0, len(include_dirs)):
dir_buf[i] = include_dirs[i].encode('charmap')
parse = core.BNTypeParserResult()
errors = ctypes.c_char_p()
result = core.BNParseTypesFromSource(
self.handle, source, filename, parse, errors, dir_buf, len(include_dirs), auto_type_source
)
assert errors.value is not None, "core.BNParseTypesFromSource returned errors set to None"
error_str = errors.value.decode("utf-8")
core.free_string(errors)
if not result:
raise SyntaxError(error_str)
type_dict: Dict[types.QualifiedName, types.Type] = {}
variables: Dict[types.QualifiedName, types.Type] = {}
functions: Dict[types.QualifiedName, types.Type] = {}
for i in range(0, parse.typeCount):
name = types.QualifiedName._from_core_struct(parse.types[i].name)
type_dict[name] = types.Type.create(core.BNNewTypeReference(parse.types[i].type), platform=self)
for i in range(0, parse.variableCount):
name = types.QualifiedName._from_core_struct(parse.variables[i].name)
variables[name] = types.Type.create(core.BNNewTypeReference(parse.variables[i].type), platform=self)
for i in range(0, parse.functionCount):
name = types.QualifiedName._from_core_struct(parse.functions[i].name)
functions[name] = types.Type.create(core.BNNewTypeReference(parse.functions[i].type), platform=self)
core.BNFreeTypeParserResult(parse)
return typeparser.BasicTypeParserResult(type_dict, variables, functions)
[docs]
def parse_types_from_source_file(self, filename, include_dirs: Optional[List[str]] = None, auto_type_source=None):
"""
``parse_types_from_source_file`` parses the source file ``filename`` and any needed headers searching for them in
the optional list of directories provided in ``include_dirs``. Note that this API does not allow
the source to rely on existing types that only exist in a specific view. Use :py:meth:`BinaryView.parse_type_string` instead.
:param str filename: filename of file to be parsed
:param include_dirs: optional list of string filename include directories
:type include_dirs: list(str)
:param str auto_type_source: optional source of types if used for automatically generated types
:return: :py:class:`BasicTypeParserResult` (a SyntaxError is thrown on parse error)
:rtype: BasicTypeParserResult
:Example:
>>> file = "/Users/binja/tmp.c"
>>> open(file).read()
'int foo;\\nint bar(int x);\\nstruct bas{int x,y;};\\n'
>>> platform.parse_types_from_source_file(file)
({types: {'bas': <type: struct bas>}, variables: {'foo': <type: int32_t>}, functions:
{'bar': <type: int32_t(int32_t x)>}}, '')
>>>
"""
if not (isinstance(filename, str) and os.path.isfile(filename) and os.access(filename, os.R_OK)):
raise AttributeError("File {} doesn't exist or isn't readable".format(filename))
if include_dirs is None:
include_dirs = []
dir_buf = (ctypes.c_char_p * len(include_dirs))()
for i in range(0, len(include_dirs)):
dir_buf[i] = include_dirs[i].encode('charmap')
parse = core.BNTypeParserResult()
errors = ctypes.c_char_p()
result = core.BNParseTypesFromSourceFile(
self.handle, filename, parse, errors, dir_buf, len(include_dirs), auto_type_source
)
assert errors.value is not None, "core.BNParseTypesFromSourceFile returned errors set to None"
error_str = errors.value.decode("utf-8")
core.free_string(errors)
if not result:
raise SyntaxError(error_str)
type_dict = {}
variables = {}
functions = {}
for i in range(0, parse.typeCount):
name = types.QualifiedName._from_core_struct(parse.types[i].name)
type_dict[name] = types.Type.create(core.BNNewTypeReference(parse.types[i].type), platform=self)
for i in range(0, parse.variableCount):
name = types.QualifiedName._from_core_struct(parse.variables[i].name)
variables[name] = types.Type.create(core.BNNewTypeReference(parse.variables[i].type), platform=self)
for i in range(0, parse.functionCount):
name = types.QualifiedName._from_core_struct(parse.functions[i].name)
functions[name] = types.Type.create(core.BNNewTypeReference(parse.functions[i].type), platform=self)
core.BNFreeTypeParserResult(parse)
return typeparser.BasicTypeParserResult(type_dict, variables, functions)
@property
def arch(self):
return self._arch
_platform_cache = {}
[docs]
class CorePlatform(Platform):
def __init__(self, handle: core.BNPlatform):
super(CorePlatform, self).__init__(handle=handle)
if type(self) is CorePlatform:
global _platform_cache
_platform_cache[ctypes.addressof(handle.contents)] = self
@classmethod
def _from_cache(cls, handle) -> 'Platform':
"""
Look up a platform from a given BNPlatform handle
:param handle: BNPlatform pointer
:return: Platform instance responsible for this handle
"""
global _platform_cache
return _platform_cache.get(ctypes.addressof(handle.contents)) or cls(handle)
[docs]
def adjust_type_parser_input(
self,
parser: 'typeparser.TypeParser',
arguments: List[str],
source_files: List[Tuple[str, str]]
) -> Tuple[List[str], List[Tuple[str, str]]]:
arguments_in = (ctypes.c_char_p * len(arguments))()
for i, argument in enumerate(arguments):
arguments_in[i] = core.cstr(argument)
source_file_names_in = (ctypes.c_char_p * len(source_files))()
source_file_names_out = (ctypes.c_char_p * len(source_files))()
source_file_values_in = (ctypes.c_char_p * len(source_files))()
source_file_values_out = (ctypes.c_char_p * len(source_files))()
for i, (name, value) in enumerate(source_files):
source_file_names_in[i] = core.cstr(name)
source_file_values_in[i] = core.cstr(value)
arguments_out = ctypes.POINTER(ctypes.c_char_p)()
arguments_len_out = (ctypes.c_size_t)()
source_file_names_out = ctypes.POINTER(ctypes.c_char_p)()
source_file_values_out = ctypes.POINTER(ctypes.c_char_p)()
source_files_len_out = (ctypes.c_size_t)()
core.BNPlatformAdjustTypeParserInput(
self.handle,
parser.handle,
arguments_in,
len(arguments),
source_file_names_in,
source_file_values_in,
len(source_files),
arguments_out,
arguments_len_out,
source_file_names_out,
source_file_values_out,
source_files_len_out
)
result_arguments = []
for i in range(arguments_len_out.value):
result_arguments.append(core.pyNativeStr(arguments_out[i]))
result_source_files = []
for i in range(source_files_len_out.value):
result_source_files.append((
core.pyNativeStr(source_file_names_out[i]),
core.pyNativeStr(source_file_values_out[i]),
))
core.BNFreeStringList(arguments_out, arguments_len_out.value)
core.BNFreeStringList(source_file_names_out, source_files_len_out.value)
core.BNFreeStringList(source_file_values_out, source_files_len_out.value)
return result_arguments, result_source_files