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box86/rebuild_wrappers.py

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#!/usr/bin/env python3
import os
import sys
try:
assert(sys.version_info.major == 3)
if sys.version_info.minor >= 9:
# Python 3.9+
from typing import Any, Generic, NewType, Optional, TypeVar, Union, final
from collections.abc import Callable, Iterable, Sequence
Dict = dict
List = list
Type = type
Tuple = tuple
elif sys.version_info.minor >= 8:
# Python [3.8, 3.9)
from typing import Any, Callable, Dict, Generic, Iterable, List, NewType, Optional, Sequence, Tuple, Type, TypeVar, Union, final
elif (sys.version_info.minor >= 5) and (sys.version_info.micro >= 2):
# Python [3.5.2, 3.8)
from typing import Any, Callable, Dict, Generic, Iterable, List, NewType, Optional, Sequence, Tuple, Type, TypeVar, Union
final = lambda fun: fun # type: ignore
elif sys.version_info.minor >= 5:
# Python [3.5, 3.5.2)
from typing import Any, Callable, Dict, Generic, Iterable, List, Optional, Sequence, Tuple, Type, TypeVar, Union
def NewType(_, b): return b # type: ignore
final = lambda fun: fun # type: ignore
else:
# Python < 3.5
#print("Your Python version does not have the typing module, fallback to empty 'types'")
# Dummies
class GTDummy:
def __getitem__(self, _):
return self
Any = GTDummy() # type: ignore
Callable = GTDummy() # type: ignore
Dict = GTDummy() # type: ignore
Generic = GTDummy() # type: ignore
Iterable = GTDummy() # type: ignore
List = GTDummy() # type: ignore
def NewType(_, b): return b # type: ignore
Optional = GTDummy() # type: ignore
Sequence = GTDummy() # type: ignore
Tuple = GTDummy() # type: ignore
Type = GTDummy() # type: ignore
def TypeVar(T): return object # type: ignore
Union = GTDummy() # type: ignore
final = lambda fun: fun # type: ignore
except ImportError:
print("It seems your Python version is quite broken...")
assert(False)
"""
Generates all files in src/wrapped/generated
===
TL;DR: Automagically creates type definitions (/.F.+/ functions/typedefs...).
All '//%' in the headers are used by the script.
Reads each lines of each "_private.h" headers (plus wrappedd3dadapter9_genvate.h, derived from wrappedd3dadapter9_gen.h).
For each of them:
- If if starts with a #ifdef, #else, #ifndef, #endif, it memorizes which definition is required
- If it starts with a "GO", it will do multiple things:
- It memorizes the type used by the function (second macro argument)
- It memorizes the type it is mapped to, if needed (eg, iFvp is mapped to iFp: the first argument is dropped)
- It checks if the type given (both original and mapped to) are valid
- If the signature contains a 'E' but it is not a "GOM" command, it will throw an error (and vice-versa*)
- If the line also contains '//%', the script will parse what's attached to this comment start:
- If it is attached to a '%', the function will be skipped when generating the 'SUPER' macro in the *types.h
- *If it is attached to a 'noE' or attached to something that ends with ',noE', it will ignore functions that
don't have the emulator as an argument but are still GOM functions
- If the line starts with a '//%S', it will memorize a structure declaration.
The structure of it is: "//%S <letter> <structure name> <signature equivalent>"
NOTE: Those structure letters are "fake types" that are accepted in the macros.
`gbl` contains the first list, `redirects` the second and
`filespec` constains file specific informations (eg, structures, typedefs required...).
After sorting the data, it generates:
wrapper.c
---------
(Private) type definitions (/.F.+_t/)
Function definitions (/.F.+/ functions, that actually execute the function given as argument)
wrapper.h
---------
Generic "wrapper_t" type definition
Function declarations (/.F.+/ functions)
*types.h
--------
Local types definition, for the original signatures
The SUPER() macro definition, used to generate and initialize the `*_my_t` library structure
(TODO: also automate this declaration/definition? It would require more metadata,
and may break sometime in the future due to the system changing...)
*defs.h
-------
Local `#define`s, for signature mapping
*undefs.h
---------
Local `#undefine`s, for signature mapping
Example:
========
In wrappedtest_private.h:
----------------------
//%S X TestLibStructure ppu
GO(superfunction, pFX)
GOM(superFunction2, pFEpX)
GOM(functionWithoutE, pFppu) //%noE
GOM(functionWithoutEAndNotInTypes, pFpppu) //%%,noE
GOM(functionNotInTypes, pFEpppu) //%%
[No output]
Generated files:
wrapper.c: [snippet]
----------
typedef void *(*pFppu_t)(void*, void*, uint32_t);
typedef void *(*pFpppu_t)(void*, void*, void*, uint32_t);
typedef void *(*pFEpppu_t)(x86emu_t*, void*, void*, void*, uint32_t);
void pFppu(x86emu_t *emu, uintptr_t fcn) { pFppu_t *fn = (pFppu_t)fn; R_RAX=...; }
void pFpppu(x86emu_t *emu, uintptr_t fcn) { pFpppu_t *fn = (pFpppu_t)fn; R_RAX=...; }
void pFEpppu(x86emu_t *emu, uintptr_t fcn) { pFpppu_t *fn = (pFpppu_t)fn; R_RAX=...; }
wrapper.h: [snippet]
----------
typedef void (*wrapper_t)(x86emu_t*, uintptr_t);
void pFppu(x86emu_t *emu, uintptr_t fcn);
void pFpppu(x86emu_t *emu, uintptr_t fcn);
void pFEpppu(x86emu_t *emu, uintptr_t fcn);
wrappedtesttypes.h:
-------------------
typedef void *(*pFpX_t)(void*, TestLibStructure);
typedef void *(*pFppu_t)(void*, void*, uint32_t);
typedef void *(*pFpppu_t)(void*, void*, void*, uint32_t);
#define SUPER() ADDED_FUNCTIONS() \\
GO(superFunction2, pFpX) \\
GO(functionWithoutE, pFppu)
wrappedtestdefs.h:
------------------
#define pFX pFppu
#define pFpX pFpppu
wrappedtestundefs.h:
--------------------
#undef pFX
#undef pFpX
"""
# Free letters:
# AB F H J QR T XYZab e gh jk mno qrst xyz
T = TypeVar('T')
U = TypeVar('U')
Filename = str
class CustOrderedDict(Generic[T, U], Iterable[T]):
__keys__: List[T] = []
__actdict__: Dict[T, U] = {}
def __init__(self, src: Optional[Dict[T, U]] = None) -> None:
if src is None:
self.__keys__ = []
self.__actdict__ = {}
else:
self.__keys__ = list(src.keys())
self.__actdict__ = src
def sort(self, key: Callable[[T], Any] = lambda x: x) -> None:
self.__keys__.sort(key=key)
def __iter__(self):
return iter(self.__keys__)
def __contains__(self, k: T) -> bool:
return k in self.__actdict__
def __getitem__(self, k: T) -> U:
return self.__actdict__[k]
def __setitem__(self, k: T, v: U) -> None:
if k not in self.__keys__: self.__keys__.append(k)
self.__actdict__[k] = v
class CustOrderedDictList(CustOrderedDict[T, List[U]]):
def __getitem__(self, k: T) -> List[U]:
if k not in self: self[k] = []
return super().__getitem__(k)
class FirstArgumentSingletonMeta(Generic[T], type):
_singletons: Dict[T, Type['FirstArgumentSingletonMeta']] = {}
@classmethod
def __prepare__(metacls, __name: str, __bases: Tuple[type, ...], **kwds: Any) -> Dict[str, Any]:
return { "_singletons": {} }
def __contains__(cls, k):
return k in cls._singletons
def getSingletons(cls):
return cls._singletons
def __getitem__(cls, k):
return cls._singletons[k]
def __call__(cls, fstarg, *largs, **kwargs):
if fstarg not in cls._singletons:
cls._singletons[fstarg] = super().__call__(fstarg, *largs, **kwargs)
return cls._singletons[fstarg]
class FileSpec:
class Struct:
def __init__(self, name: str, repl: str) -> None:
self.name = name
self.repl = repl
# CONSTANT- values: original set
# CONSTANT- rvalues: valid replacement values (outside of structures)
# CONSTANT- validrepl: valid replacement values (for structures)
# structs: structure ids and additional data
values: Sequence[str] = ['E', 'v', 'c', 'w', 'i', 'I', 'C', 'W', 'u', 'U', 'f', 'd', 'D', 'K', 'l', 'L', 'p', 'V', 'O', 'S', '2', 'P', 'G', 'N', 'M', 's']
rvalues: Sequence[str] = ['E', 'v', 'c', 'w', 'i', 'I', 'C', 'W', 'u', 'U', 'f', 'd', 'D', 'K', 'l', 'L', 'p', 'V', 'O', 'S', '2', 'P', 'G', 'N', 'M', 's']
validrepl: Sequence[str] = ['c', 'w', 'i', 'I', 'C', 'W', 'u', 'U', 'f', 'd', 'D', 'K', 'l', 'L', 'p', 'V', 'O', 'S', '2', 'P', 'G', 'N', 'M', 's']
def __init__(self) -> None:
self.structs: CustOrderedDict[str, FileSpec.Struct] = CustOrderedDict()
self.typedefs: CustOrderedDictList[_BareFunctionType, Function] = CustOrderedDictList()
self.structsuses: List[FunctionType] = []
def registerStruct(self, id: str, name: str, repl: str):
if len(id) != 1:
# If you REALLY need it, consider opening a ticket
# Before you do, consider that everything that is a valid in a C token is valid here too
raise ValueError("Type ID \"" + id + "\" is too long!")
if id in self.rvalues:
raise ValueError("Type " + id + " is already reserved!")
if id in self.structs:
raise ValueError("Type " + id + " is already used!")
if any(c not in self.validrepl for c in repl):
raise ValueError("Invalid structure replacement value \"" + repl + "\" (note: recursive replacements are not supported)")
if repl == "":
# If you need this, please open an issue (also, this is never actually called, empty strings are removed at the calling site)
raise NotImplementedError("Invalid structure metadata supply (empty replacement)")
self.structs[id] = FileSpec.Struct(name, repl)
class FunctionType(metaclass=FirstArgumentSingletonMeta):
def __new__(cls, string: str, filespec: FileSpec) -> 'FunctionType':
if ((string[0] not in FileSpec.values) or any(c not in FileSpec.values for c in string[2:])) \
and ((string[0] in FileSpec.values) or (string[0] in filespec.structs)) \
and all((c != 'v') and (c in FileSpec.values) or (c in filespec.structs) for c in string[2:]):
return super().__new__(StructFunctionType)
else:
return super().__new__(cls)
def __init__(self, string: str, filespec: FileSpec) -> None:
# Early fail
if 'VV' in string:
raise ValueError("'V' can only be at the end of the type (use 's' instead)")
self.orig = string
self.hasemu = 'E' in string
if self.hasemu:
if ("E" in string[:2]) or ("E" in string[3:]):
raise NotImplementedError("x86emu_t* not as the first parameter")
if len(string) < 4:
raise NotImplementedError("Type {0} too short".format(string))
chk_type = string[0] + string[3:]
else:
chk_type = string[0] + string[2:]
self.withoutE = _BareFunctionType(string[0:2] + chk_type[1:], filespec, isinstance(self, StructFunctionType))
self._bare = _BareFunctionType(self.orig, filespec, isinstance(self, StructFunctionType))
if len(chk_type) < 2:
raise NotImplementedError("Type {0} too short".format(string))
if string[1] != "F":
raise NotImplementedError("Bad middle letter {0}".format(string[1]))
self.redirect = any(c not in FileSpec.values for c in chk_type) or (('v' in chk_type[1:]) and (len(chk_type) > 2))
self.usestruct: bool = False
self.redirected: Optional[FunctionType] = None
if self.redirect:
if all(((i == 0) or (c != 'v')) and (c in FileSpec.values) or (c in filespec.structs) for i, c in enumerate(chk_type)):
# 'v' is never allowed here
self.redirect = False
self.usestruct = True
return
else:
if any(c not in FileSpec.rvalues for c in chk_type):
raise NotImplementedError("Invalid type {0}".format(string))
# Ok, this is acceptable: there is 0, 1 and/or void
string = string[:2] + (string[2:]
.replace("v", "")) # void -> nothing
assert(len(string) >= 3) # If this raises, don't use 'vFvvvvvv' as a signature...
self.redirected = FunctionType(string, filespec)
assert(not self.redirected.redirect and not self.redirected.usestruct)
def getchar(self, c: str) -> int:
return self._bare.getchar(c)
def getcharidx(self, i: int) -> int:
return self._bare.getcharidx(i)
def splitchar(self) -> List[int]:
return self._bare.splitchar()
def __hash__(self) -> int:
return str.__hash__(self.orig)
def __eq__(self, o: object):
return isinstance(o, FunctionType) and ((self.orig == o.orig) and (o is self or not isinstance(self, StructFunctionType)))
class StructFunctionType(FunctionType):
def __init__(self, string: str, filespec: FileSpec) -> None:
super().__init__(string, filespec)
assert(self.usestruct)
self.filespec = filespec
self.filespec.structsuses.append(self)
self.returnsstruct = string[0] in self.filespec.structs
if self.returnsstruct:
if self.hasemu:
string = "pFEp" + string[3:]
else:
string = "pFp" + string[2:]
for struct in self.filespec.structs:
string = string.replace(struct, self.filespec.structs[struct].repl)
self.redirected = FunctionType(string, self.filespec)
class _BareFunctionType(FunctionType): # Fake derived
def __new__(cls, *largs, **kwargs):
return object.__new__(cls)
def __init__(self, string: str, filespec: FileSpec, isstruct: bool) -> None:
self.orig = string
self.filespec = filespec
self.isstruct = isstruct
def getchar(self, c: str) -> int:
if c in FileSpec.rvalues:
return FileSpec.rvalues.index(c)
else:
assert(self.isstruct)
return self.filespec.structs.__keys__.index(c) + len(FileSpec.rvalues)
def getcharidx(self, i: int) -> int:
return self.getchar(self.orig[i])
def splitchar(self) -> List[int]:
try:
ret = [
len(self.orig), self.getcharidx(0),
*map(self.getcharidx, range(2, len(self.orig)))
]
return ret
except ValueError as e:
raise ValueError("Value is " + self.orig) from e
except AssertionError as e:
raise ValueError("Value is " + self.orig) from e
# Allowed GOs: GO,GOM,GO2,GOS,GOW,GOWM,GOW2,GO2S
class Function:
def __init__(self, name: str, funtype: FunctionType, gotype: str, filespec: FileSpec, filename: Filename, line: str) -> None:
self._noE = False
self.no_dlsym: bool = False
if "//%" in line:
additional_meta = line.split("//%")[1].split(" ")[0].strip()
if additional_meta.endswith(",noE"):
self._noE = True
additional_meta = additional_meta[:-4]
if additional_meta == 'noE':
assert not self._noE, "Duplicated 'noE'"
self._noE = True
elif additional_meta == '%':
self.no_dlsym = True
else:
raise NotImplementedError("Changing the function type 'on the fly' is not supported")
funtypeerr = ValueError("Invalid function type " + gotype)
if not gotype.startswith("GO"):
raise funtypeerr
gotype = gotype[2:]
self.isweak = (len(gotype) > 0) and (gotype[0] == "W")
if self.isweak:
gotype = gotype[1:]
self.ismy = (len(gotype) > 0) and (gotype[0] == "M")
self.is2 = (len(gotype) > 0) and (gotype[0] == "2")
self.retS = (len(gotype) > 0) and (gotype[0] == "S")
if self.ismy or self.is2 or self.retS:
gotype = gotype[1:]
if self.retS:
self.ismy = True
assert((self.no_dlsym and (funtype.orig.startswith("pFp") or funtype.orig.startswith("pFEp")))
or (isinstance(funtype, StructFunctionType) and funtype.returnsstruct))
self._noE = self._noE or self.no_dlsym
if isinstance(funtype, StructFunctionType) and funtype.returnsstruct and not self.retS:
gotype = "GO" + \
("W" if self.isweak else "") + \
("M" if self.ismy else "") + ("2" if self.is2 else "")
raise ValueError("Function type " + funtype.orig + " needs to return a structure, but doesn't (currently " + gotype + ")")
if gotype != "":
raise funtypeerr
self.name = name
self.type = funtype
self.filespec = filespec
assert(not isinstance(funtype, StructFunctionType) or filespec is funtype.filespec) # No reason why not, so assert()
if self.is2:
self.fun2 = line.split(',')[2].split(')')[0].strip()
if self.type.hasemu != self.fun2.startswith("my_") and not self._noE:
# If this raises because of a different prefix, open a pull request
print("\033[91mThis is probably not what you meant!\033[m ({0}:{1})".format(filename, line[:-1]), file=sys.stderr)
self.invalid = True
if (self.ismy and not self.type.hasemu and not self.is2) and not self._noE:
# Probably invalid on box86; if not so, remove/comment this whole 'if' (and also open an issue)
print("\033[94mAre you sure of this?\033[m ({0}:{1})".format(filename, line[:-1]), file=sys.stderr)
self.invalid = True
return
if self.type.hasemu and not self.ismy and not self.is2:
# Certified invalid
print("\033[91mThis is probably not what you meant!\033[m ({0}:{1})".format(filename, line[:-1]), file=sys.stderr)
self.invalid = True
return
if self._noE and not self.ismy and not self.is2:
raise ValueError("Invalid meta: 'no E' provided but function is not a GOM")
if self.ismy or self.is2:
# Add this to the typedefs
self.filespec.typedefs[self.type.withoutE].append(self)
DefineType = NewType('DefineType', str)
@final
class Define:
name: DefineType = DefineType("")
inverted_: bool = False
defines: List[DefineType] = []
def __init__(self, name: DefineType, inverted_: bool) -> None:
# All values for "name" are in defines (throw otherwise)
if name not in Define.defines:
raise KeyError(name)
self.name = name
self.inverted_ = inverted_
def copy(self) -> "Define":
return Define(self.name, self.inverted_)
def value(self) -> int:
return Define.defines.index(self.name)*2 + (1 if self.inverted_ else 0)
def invert(self) -> "Define":
"""
invert -- Transform a `defined()` into a `!defined()` and vice-versa, in place.
"""
self.inverted_ = not self.inverted_
return self
def inverted(self) -> "Define":
"""
inverted -- Transform a `defined()` into a `!defined()` and vice-versa, out-of-place.
"""
return Define(self.name, not self.inverted_)
def __str__(self) -> str:
if self.inverted_:
return "!defined(" + self.name + ")"
else:
return "defined(" + self.name + ")"
def __eq__(self, o) -> bool:
return isinstance(o, Define) and (self.name == o.name) and (self.inverted_ == o.inverted_)
@final
class Clause:
defines: List[Define] = []
def __init__(self, defines: Union[List[Define], str] = []) -> None:
if isinstance(defines, str):
if defines == "":
self.defines = []
else:
self.defines = list(
map(
lambda x:
Define(DefineType(x[9:-1] if x[0] == '!' else x[8:-1]), x[0] == '!')
, defines.split(" && ")
)
)
else:
self.defines = [d.copy() for d in defines]
def copy(self) -> "Clause":
return Clause(self.defines)
def append(self, define: Define) -> "Clause":
if any((define2.name == define.name) and (define2.inverted_ != define.inverted_) for define2 in self.defines):
raise ValueError("Tried to append an incompatible clause")
self.defines.append(define)
return self
def invert_last(self) -> "Clause":
self.defines[-1].invert()
return self
def pop_last(self) -> "Clause":
if len(self.defines) > 0: self.defines.pop()
return self
def empty(self) -> bool:
return self.defines == []
def __str__(self) -> str:
return " && ".join(map(str, self.defines))
def __hash__(self):
return hash(str(self))
def __eq__(self, o) -> bool:
return isinstance(o, Clause) and (self.defines == o.defines)
ClausesStr = str
@final
class Clauses:
"""
Represent a list of clauses, aka a list of or-ed together and-ed "defined()"
conditions
"""
clauses: List[Clause] = []
def __init__(self, clauses: Union[List[Clause], str] = []) -> None:
if isinstance(clauses, str):
if clauses == "()":
self.clauses = []
elif ") || (" in clauses:
self.clauses = list(map(Clause, clauses[1:-1].split(") || (")))
else:
self.clauses = [Clause(clauses)]
else:
self.clauses = clauses[:]
def copy(self) -> "Clauses":
return Clauses(self.clauses[:])
def add(self, defines: Clause) -> "Clauses":
self.clauses.append(defines)
return self
def empty(self) -> bool:
return self.clauses == []
def splitdef(self) -> Sequence[int]:
"""
splitdef -- Sorting key function for #ifdefs
All #if defined(...) are sorted first by the length of its string
representation, then by the number of clauses, then by the number of
'&&' in each clause and then by the "key" of the tested names (left to
right, inverted placed after non-inverted).
"""
ret = [len(str(self)), len(self.clauses)] if len(self.clauses) > 0 else [-1]
for cunj in self.clauses:
ret.append(len(cunj.defines))
for cunj in self.clauses:
for d in cunj.defines:
ret.append(d.value())
return ret
def reduce(self) -> None:
"""
reduce -- Reduces the number of clauses in-place
Removes the most possible number of conditions, both by removing
conditions and by removing entire clauses.
As a side effect, sorts itself.
"""
# Early breaks
if any(c.empty() for c in self.clauses):
self.clauses = []
return
if len(self.clauses) == 0:
return
elif len(self.clauses) == 1:
clause = Clause()
for define in self.clauses[0].defines:
if define in clause.defines:
continue
elif define.inverted() in clause.defines:
clause = Clause(',') # This should never happen (and never happens without breaking encapsulation)
else:
clause.append(define)
clause.defines.sort(key=lambda d: Define.defines.index(d.name))
self.clauses = [clause]
return
elif len(self.clauses) == 2:
if len(self.clauses[0].defines) == len(self.clauses[1].defines) == 1:
if self.clauses[0].defines[0].inverted() == self.clauses[1].defines[0]:
self.clauses = []
return
# Quine-McCluskey algorithm
# matches: list of (matches, inverted_mask)
needed: List[Tuple[int, int]] = [
(i, 0)
for i in range(1<<len(Define.defines))
if any( # i matches any clause
all( # i matches all conditions in the clause
(i & (1<<Define.defines.index(define.name)) == 0) == define.inverted_
for define in clause.defines)
for clause in self.clauses)
]
last_combined = needed[:]
uncombinable: List[Tuple[int, int]] = []
while len(last_combined) > 0:
combined: List[Tuple[int, int]] = []
combinable: List[bool] = [False] * len(last_combined)
while len(last_combined) > 0:
attempt = last_combined[-1]
for idx, (i, m) in enumerate(last_combined):
if idx == len(last_combined) - 1:
if not combinable[idx]:
uncombinable.append(attempt)
elif m == attempt[1]:
if (i ^ attempt[0]) & ((i ^ attempt[0]) - 1) != 0:
continue # More than 1 bit of difference
combinable[idx] = True
combinable[len(last_combined) - 1] = True
add = (i | attempt[0], m | (i ^ attempt[0]))
if add in combined:
continue # Aleady added
combined.append(add)
last_combined.pop()
last_combined = combined
matches: Dict[int, List[Tuple[int, int]]] = {
i: [combination for combination in uncombinable if (i | combination[1]) == combination[0]] for i, _ in needed
}
self.clauses = []
matches_size: int = 1
while len(matches) != 0:
match_found = True
while match_found:
match_found = False
for i in matches:
if len(matches[i]) < matches_size:
raise NotImplementedError("There seems to be an error in the algorithm")
elif len(matches[i]) == matches_size:
match_found = True
self.clauses.append(
Clause([
Define(
n,
matches[i][0][0] & (1 << j) == 0
) for j, n in enumerate(Define.defines) if matches[i][0][1] & (1 << j) == 0
]))
self.clauses[-1].defines.sort(key=lambda d: Define.defines.index(d.name))
to_erase: List[int] = []
for j in matches:
if matches[i][0] in matches[j]:
to_erase.append(j)
for j in to_erase:
del matches[j]
break
matches_size = matches_size + 1
self.clauses.sort(key=lambda c: (len(c.defines), [Define.defines.index(d.name) for d in c.defines]))
def __str__(self) -> ClausesStr:
if len(self.clauses) == 1:
return str(self.clauses[0])
else:
return "(" + ") || (".join(map(str, self.clauses)) + ")"
def __hash__(self):
return hash(str(self))
def __eq__(self, o) -> bool:
return isinstance(o, Clauses) and (self.clauses == o.clauses)
JumbledFunctions = CustOrderedDictList[Clause, Function]
FileSpecifics = Dict[Filename, FileSpec]
SortedGlobals = CustOrderedDictList[Clauses, FunctionType]
SortedRedirects = CustOrderedDictList[Clauses, FunctionType]
def readFiles(files: Iterable[str]) -> Tuple[JumbledFunctions, JumbledFunctions, FileSpecifics]:
"""
readFiles
This function is the one that parses the files.
"""
gbls: JumbledFunctions = CustOrderedDictList()
redirects: JumbledFunctions = CustOrderedDictList()
filespecs: FileSpecifics = {}
symbols: Dict[str, Filename] = {}
need_halt: bool = False
for filepath in files:
filename: Filename = filepath.split("/")[-1]
dependants: Clause = Clause()
filespec = FileSpec()
filespecs[filename[:-10]] = filespec
def add_symbol_name(symname: Optional[str], weak: bool = False, symsname: Dict[str, List[Tuple[str, bool]]] = {"": []}):
# Optional arguments are evaluated only once!
nonlocal need_halt
if symname is None:
for c in symsname:
if (c != "") and (len(symsname[c]) != 0):
# Note: if this condition ever raises, check the wrapper pointed by it.
# If you find no problem, comment the error below, add a "pass" below (so python is happy)
# and open a ticket so I can fix this.
raise NotImplementedError("Some symbols are only implemented under one condition '{0}' (probably) ({1}/{2})"
.format(c, symsname[c][0][0], filename) + " [extra note in the script]")
for s, w in symsname[c]:
if w: continue # Weak symbols never conflict with others in different libraries
if s in (
'_init', '_fini',
'__bss_start', '__bss_start__', '__bss_end__', '_bss_end__',
'__data_start', '_edata',
'_end', '__end__'):
continue # Always allow those symbols [TODO: check if OK]
if s in symbols:
# Check for resemblances between symbols[s] and filename
# if filename.startswith(symbols[s][:-12]) or symbols[s].startswith(filename[:-12]):
# # Probably OK
# continue
# Manual incompatible libs detection
match = lambda l, r: (filename[7:-10], symbols[s][7:-10]) in [(l, r), (r, l)]
if match("gdkx112", "gdk3") \
or match("gtkx112", "gtk3") \
or match("libjpeg", "libjpeg62") \
or match("libncurses", "libncurses6") \
or match("libncurses", "libncursesw") \
or match("libncurses6", "libncursesw") \
or match("libtinfo6", "libtinfo") \
or match("png12", "png16") \
or match("sdl1", "sdl2") \
or match("sdl1image", "sdl2image") \
or match("sdl1mixer", "sdl2mixer") \
or match("sdl1net", "sdl2net") \
or match("sdl1ttf", "sdl2ttf") \
or match("smpeg", "smpeg2") \
or match("udev0", "udev1") \
or match("gstinterfaces010","gstvideo")\
or match("gstinterfaces010","gstaudio")\
or match("gstreamer010","gstreamer") \
or match("appindicator","appindicator3")\
or match("appindicator","ayatanaappindicator3")\
or match("appindicator3","ayatanaappindicator3")\
\
or match("libc", "tcmallocminimal") \
or match("libc", "ldlinux") \
or match("libc", "tbbmallocproxy") \
or match("tcmallocminimal","tbbmallocproxy") \
:
# libc and ldlinux have some "__libc_" data symbols in common... TODO check if ok
continue
# Note: this test is very (too) simple. If it ever raises, comment
# `need_halt = True` and open an issue.
print("The symbol {0} is declared in multiple files ({1}/{2})"
.format(s, symbols[s], filename) + " [extra note in the script]", file=sys.stderr)
need_halt = True
symbols[s] = filename
else:
symname = symname.strip()
if symname == "":
raise ValueError("This symbol name (\"\") is suspicious... ({0})".format(filename))
l = len(dependants.defines)
already_pst = any(s == symname for s, _ in symsname[""])
if l == 1:
symsname.setdefault(str(dependants), [])
already_pst = already_pst or any(s == symname for s, _ in symsname[str(dependants)])
if already_pst:
print("The symbol {0} is duplicated! ({1})".format(symname, filename), file=sys.stderr)
need_halt = True
return
if l == 1:
s = str(dependants.defines[0].inverted())
if (s in symsname) and ((symname, weak) in symsname[s]):
symsname[s].remove((symname, weak))
symsname[""].append((symname, weak))
elif (s in symsname) and ((symname, not weak) in symsname[s]):
print("The symbol {0} doesn't have the same 'weakness' in different conditions! ({1})"
.format(symname, filename), file=sys.stderr)
need_halt = True
else:
symsname[str(dependants)].append((symname, weak))
elif l == 0:
symsname[""].append((symname, weak))
with open(filepath, 'r') as file:
for line in file:
ln = line.strip()
try:
# If the line is a `#' line (#ifdef LD80BITS/#ifndef LD80BITS/header)
if ln.startswith("#"):
preproc_cmd = ln[1:].strip()
if preproc_cmd.startswith("if defined(GO)"):
continue #if defined(GO) && defined(GOM)...
elif preproc_cmd.startswith("if !(defined(GO)"):
continue #if !(defined(GO) && defined(GOM)...)
elif preproc_cmd.startswith("error"):
continue #error meh!
elif preproc_cmd.startswith("include"):
continue #inherit other library
elif preproc_cmd.startswith("endif"):
dependants.pop_last()
elif preproc_cmd.startswith("ifdef"):
dependants.append(Define(DefineType(preproc_cmd[5:].strip()), False))
elif preproc_cmd.startswith("ifndef"):
dependants.append(Define(DefineType(preproc_cmd[6:].strip()), True))
elif preproc_cmd.startswith("else"):
dependants.invert_last()
else:
raise NotImplementedError("Unknown preprocessor directive: {0}".format(preproc_cmd.split(" ")[0]))
# If the line is a `GO...' line (GO/GOM/GO2/...)...
elif ln.startswith("GO"):
# ... then look at the second parameter of the line
try:
gotype = ln.split("(")[0].strip()
funname = ln.split(",")[0].split("(")[1].strip()
ln = ln.split(",")[1].split(")")[0].strip()
except IndexError:
raise NotImplementedError("Invalid GO command")
fun = Function(funname, FunctionType(ln, filespec), gotype, filespec, filename, line)
if not filename.endswith("_genvate.h"):
add_symbol_name(fun.name, fun.isweak)
if hasattr(fun, 'invalid'):
need_halt = True
continue
if fun.type.redirect or fun.type.usestruct:
redirects[dependants.copy()].append(fun)
else:
gbls[dependants.copy()].append(fun)
# If the line is a structure metadata information...
elif ln.startswith("//%S"):
metadata = [e for e in ln.split() if e]
if len(metadata) != 4:
# If you need an empty replacement, please open a PR
raise NotImplementedError("Invalid structure metadata supply (too many/not enough fields)")
if metadata[0] != "//%S":
raise NotImplementedError("Invalid structure metadata supply (invalid signature)")
filespec.registerStruct(metadata[1], metadata[2], metadata[3])
# If the line contains any symbol name...
elif ("GO" in ln) or ("DATA" in ln):
if filename.endswith("_genvate.h"):
continue
# Probably "//GO(..., " or "DATA(...," at least
try:
symname = ln.split('(')[1].split(',')[0].strip()
add_symbol_name(symname)
except IndexError:
# Oops, it wasn't...
pass
except Exception as e:
raise NotImplementedError("{0}:{1}".format(filename, line[:-1])) from e
if filename.endswith("_genvate.h"):
del filespecs[filename[:-10]]
add_symbol_name(None)
FunctionType.getSingletons().clear()
if need_halt:
raise ValueError("Fix all previous errors before proceeding")
return gbls, redirects, filespecs
def sortArrays(gbl_funcs: JumbledFunctions, red_funcs: JumbledFunctions, filespecs: FileSpecifics) \
-> Tuple[SortedGlobals, SortedRedirects]:
# First sort file specific stuff
for fn in filespecs:
filespecs[fn].typedefs.sort(key=_BareFunctionType.splitchar)
for funtype in filespecs[fn].typedefs:
filespecs[fn].typedefs[funtype].sort(key=lambda f: f.name)
filespecs[fn].structs.sort()
filespecs[fn].structsuses.sort(key=FunctionType.splitchar)
# Now, take all function types, and make a new table gbl_vals
# This table contains all #if conditions for when a function type needs to
# be generated.
def add_to_vals(vals: Dict[FunctionType, Clauses], t: FunctionType, clause: Clause) -> None:
vals.setdefault(t, Clauses())
if clause in vals[t].clauses: return
vals[t].add(clause)
gbl_vals: Dict[FunctionType, Clauses] = {}
for clause in gbl_funcs:
for f in gbl_funcs[clause]:
add_to_vals(gbl_vals, f.type, clause)
for clause in red_funcs:
for f in red_funcs[clause]:
assert(f.type.redirected is not None)
add_to_vals(gbl_vals, f.type.redirected, clause)
# Remove duplicate/useless conditions (and sort)
for t in gbl_vals:
gbl_vals[t].reduce()
# Now create a new gbls
# gbls will contain the final version of gbls (without duplicates, based on
# gbl_vals), meaning, a dict from clauses to function types to implement
gbls: SortedGlobals = CustOrderedDictList()
for funtype in gbl_vals:
gbls[gbl_vals[funtype]].append(funtype)
# Sort the #if clauses as defined in `splitdef`
gbls.sort(key=Clauses.splitdef)
# Sort the function types as defined in `splitchar`
for clauses in gbls:
gbls[clauses].sort(key=FunctionType.splitchar)
# This map will contain all additional function types that are "redirected"
# to an already defined type (with some remapping).
red_vals: Dict[FunctionType, Clauses] = {}
for clause in red_funcs:
for f in red_funcs[clause]:
if isinstance(f.type, StructFunctionType): continue
assert(f.type.redirected is not None)
add_to_vals(red_vals, f.type, clause)
# Also do the same sorting as before (it also helps keep the order
# in the file deterministic)
for t in red_vals:
red_vals[t].reduce()
redirects: SortedRedirects = CustOrderedDictList()
for funtype in red_vals:
redirects[red_vals[funtype]].append(funtype)
redirects.sort(key=Clauses.splitdef)
def fail(): assert False
for clauses in redirects:
redirects[clauses].sort(key=lambda v: fail() if v.redirected is None else v.splitchar() + v.redirected.splitchar())
return gbls, redirects
def checkRun(root: str, gbls: SortedGlobals, redirects: SortedRedirects, filespecs: FileSpecifics) -> Optional[str]:
# Check if there was any new functions compared to last run
functions_list: str = ""
for clauses in gbls:
for v in gbls[clauses]:
functions_list = functions_list + "#" + str(clauses) + " " + v.orig + "\n"
for clauses in redirects:
for v in redirects[clauses]:
assert(v.redirected is not None)
functions_list = functions_list + "#" + str(clauses) + " " + v.orig + " -> " + v.redirected.orig + "\n"
for filename in sorted(filespecs.keys()):
functions_list = functions_list + filename + ":\n"
for st in filespecs[filename].structs:
struct = filespecs[filename].structs[st]
functions_list = functions_list + \
"% " + st + " " + struct.name + " " + struct.repl + "\n"
for _bare in filespecs[filename].typedefs:
functions_list = functions_list + "- " + _bare.orig + ":\n"
for fn in filespecs[filename].typedefs[_bare]:
if fn.no_dlsym: continue
functions_list = functions_list + " - " + fn.name + "\n"
for funtype in filespecs[filename].structsuses:
assert(funtype.redirected is not None)
functions_list = functions_list + "% " + funtype.orig + " -> " + funtype.redirected.orig + "\n"
# functions_list is a unique string, compare it with the last run
try:
last_run = ""
with open(os.path.join(root, "src", "wrapped", "generated", "functions_list.txt"), 'r') as file:
last_run = file.read()
if last_run == functions_list:
# Mark as OK for CMake
with open(os.path.join(root, "src", "wrapped", "generated", "functions_list.txt"), 'w') as file:
file.write(functions_list)
return None
except IOError:
# The file does not exist yet, first run
pass
return functions_list
def generate_files(root: str, files: Iterable[str], ver: str, gbls: SortedGlobals, redirects: SortedRedirects, \
filespecs: FileSpecifics) -> None:
# Files header and guard
files_header = {
"wrapper.c": """
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "wrapper.h"
#include "emu/x86emu_private.h"
#include "emu/x87emu_private.h"
#include "regs.h"
#include "x86emu.h"
typedef union ui64_s {lbr}
int64_t i;
uint64_t u;
uint32_t d[2];
{rbr} ui64_t;
typedef struct _2uint_struct_s {lbr}
uint32_t a;
uint32_t b;
{rbr} _2uint_struct_t;
extern void* my__IO_2_1_stderr_;
extern void* my__IO_2_1_stdin_ ;
extern void* my__IO_2_1_stdout_;
static void* io_convert(void* v)
{lbr}
if(!v)
return v;
if(v==my__IO_2_1_stderr_)
return stderr;
if(v==my__IO_2_1_stdin_)
return stdin;
if(v==my__IO_2_1_stdout_)
return stdout;
return v;
{rbr}
typedef struct my_GValue_s
{lbr}
int g_type;
union {lbr}
int v_int;
int64_t v_int64;
uint64_t v_uint64;
float v_float;
double v_double;
void* v_pointer;
{rbr} data[2];
{rbr} my_GValue_t;
static void alignGValue(my_GValue_t* v, void* value)
{lbr}
v->g_type = *(int*)value;
memcpy(v->data, value+4, 2*sizeof(double));
{rbr}
static void unalignGValue(void* value, my_GValue_t* v)
{lbr}
*(int*)value = v->g_type;
memcpy(value+4, v->data, 2*sizeof(double));
{rbr}
void* VulkanFromx86(void* src);
void VulkanTox86(void* src);
#define ST0val ST0.d
int of_convert(int);
""",
"wrapper.h": """
#ifndef __WRAPPER_H_
#define __WRAPPER_H_
#include <stdint.h>
#include <string.h>
typedef struct x86emu_s x86emu_t;
// the generic wrapper pointer functions
typedef void (*wrapper_t)(x86emu_t* emu, uintptr_t fnc);
// list of defined wrappers
// E = current x86emu struct
// v = void
// C = unsigned byte c = char
// W = unsigned short w = short
// u = uint32, i = int32
// U = uint64, I = int64
// L = unsigned long, l = signed long (long is an int with the size of a pointer)
// p = pointer
// f = float, d = double, D = long double, K = fake long double
// V = vaargs, s = address on the stack (doesn't move forward the pointer)
// O = libc O_ flags bitfield
// o = stdout
// S = _IO_2_1_stdXXX_ pointer (or FILE*)
// 2 = struct of 2 uint
// N = ... automatically sending 1 arg
// M = ... automatically sending 2 args
// P = Vulkan struct pointer, G = a single GValue pointer
""",
"fntypes.h": """
#ifndef __{filename}TYPES_H_
#define __{filename}TYPES_H_
#ifndef LIBNAME
#error You should only #include this file inside a wrapped*.c file
#endif
#ifndef ADDED_FUNCTIONS
#define ADDED_FUNCTIONS()
#endif
""",
"fndefs.h": """
#ifndef __{filename}DEFS_H_
#define __{filename}DEFS_H_
""",
"fnundefs.h": """
#ifndef __{filename}UNDEFS_H_
#define __{filename}UNDEFS_H_
"""
}
files_guard = {
"wrapper.c": """
""",
"wrapper.h": """
#endif // __WRAPPER_H_
""",
"fntypes.h": """
#endif // __{filename}TYPES_H_
""",
"fndefs.h": """
#endif // __{filename}DEFS_H_
""",
"fnundefs.h": """
#endif // __{filename}UNDEFS_H_
"""
}
banner = "/********************************************************" + ('*'*len(ver)) + "***\n" \
" * File automatically generated by rebuild_wrappers.py (v" + ver + ") *\n" \
" ********************************************************" + ('*'*len(ver)) + "***/\n"
trim: Callable[[str], str] = lambda string: '\n'.join(line[2:] for line in string.splitlines())[1:]
# Yes, the for loops are inverted. This is because both dicts should have the same keys.
for fhdr in files_guard:
files_header[fhdr] = banner + trim(files_header[fhdr])
for fhdr in files_header:
files_guard[fhdr] = trim(files_guard[fhdr])
# TODO: put the informations below in a structure (like in box64, where
# typedefs & co. are stored in an ABI-specific structure)
return_x87: str = "DKdf"
if any(c not in FileSpec.values for c in return_x87):
raise NotImplementedError("Invalid character")
# Typedefs
# E v c w i I C W u U f d D K l L p V O S 2 P G N M s
tdtypes = ["x86emu_t*", "void", "int8_t", "int16_t", "int32_t", "int64_t", "uint8_t", "uint16_t", "uint32_t", "uint64_t", "float", "double", "long double", "double", "intptr_t", "uintptr_t", "void*", "void*", "int32_t", "void*", "_2uint_struct_t", "void*", "void*", "...", "...", "void*"]
if len(FileSpec.values) != len(tdtypes):
raise NotImplementedError("len(values) = {lenval} != len(tdtypes) = {lentypes}".format(lenval=len(FileSpec.values), lentypes=len(tdtypes)))
def generate_typedefs(funs: Iterable[FunctionType], file):
for funtype in funs:
def getstr(i: int) -> str:
if i < len(tdtypes):
return tdtypes[i]
else:
# We are in a *types.h file
assert(isinstance(funtype, _BareFunctionType) and funtype.isstruct)
return funtype.filespec.structs[funtype.filespec.structs.__keys__[i - len(tdtypes)]].name
if funtype.orig.endswith("Ev"):
file.write("typedef " + getstr(funtype.getcharidx(0)) + " (*" + funtype.orig + "_t)"
+ "(" + getstr(funtype.getchar('E')) + ");\n")
else:
file.write("typedef " + getstr(funtype.getcharidx(0)) + " (*" + funtype.orig + "_t)"
+ "(" + ', '.join(getstr(funtype.getcharidx(i)) for i in range(2, len(funtype.orig))) + ");\n")
# Wrappers
# E v c w i I C W u U f d D K l L p V O S 2 P G N M s
deltas = [0, 4, 4, 4, 4, 8, 4, 4, 4, 8, 4, 8, 12, 12, 4, 4, 4, 1, 4, 4, 8, 4, 4, 0, 0, 0]
vals = [
"\n#error Invalid return type: emulator\n", # E
"fn({0});", # v
"R_EAX=fn({0});", # c
"R_EAX=fn({0});", # w
"R_EAX=fn({0});", # i
"ui64_t r; r.i=fn({0}); R_EAX=r.d[0]; R_EDX=r.d[1];", # I
"R_EAX=(unsigned char)fn({0});", # C
"R_EAX=(unsigned short)fn({0});", # W
"R_EAX=(uint32_t)fn({0});", # u
"ui64_t r; r.u=(uint64_t)fn({0}); R_EAX=r.d[0]; R_EDX=r.d[1];", # U
"float fl=fn({0}); fpu_do_push(emu); ST0val = fl;", # f
"double db=fn({0}); fpu_do_push(emu); ST0val = db;", # d
"long double ld=fn({0}); fpu_do_push(emu); ST0val = ld;", # D
"double db=fn({0}); fpu_do_push(emu); ST0val = db;", # K
"R_EAX=(intptr_t)fn({0});", # l
"R_EAX=(uintptr_t)fn({0});", # L
"R_EAX=(uintptr_t)fn({0});", # p
"\n#error Invalid return type: va_list\n", # V
"\n#error Invalid return type: at_flags\n", # O
"\n#error Invalid return type: _io_file*\n", # S
"\n#error Invalid return type: _2uint_struct\n", # 2
"\n#error Invalid return type: Vulkan Struct\n", # P
"\n#error Invalid return type: GValue Pointer\n", # G
"\n#error Invalid return type: ... with 1 arg\n", # N
"\n#error Invalid return type: ... with 2 args\n", # M
"\n#error Invalid return type: address on the stack\n", # V
]
arg = [
"emu, ", # E
"", # v
"*(int8_t*)(R_ESP + {p}), ", # c
"*(int16_t*)(R_ESP + {p}), ", # w
"*(int32_t*)(R_ESP + {p}), ", # i
"*(int64_t*)(R_ESP + {p}), ", # I
"*(uint8_t*)(R_ESP + {p}), ", # C
"*(uint16_t*)(R_ESP + {p}), ", # W
"*(uint32_t*)(R_ESP + {p}), ", # u
"*(uint64_t*)(R_ESP + {p}), ", # U
"*(float*)(R_ESP + {p}), ", # f
"*(double*)(R_ESP + {p}), ", # d
"LD2localLD((void*)(R_ESP + {p})), ", # D
"FromLD((void*)(R_ESP + {p})), ", # K
"*(intptr_t*)(R_ESP + {p}), ", # l
"*(uintptr_t*)(R_ESP + {p}), ", # L
"*(void**)(R_ESP + {p}), ", # p
"(void*)(R_ESP + {p}), ", # V
"of_convert(*(int32_t*)(R_ESP + {p})), ", # O
"io_convert(*(void**)(R_ESP + {p})), ", # S
"(_2uint_struct_t){{*(uintptr_t*)(R_ESP + {p}),*(uintptr_t*)(R_ESP + {p} + 4)}}, ", # 2
"arg{p}, ", # P
"&arg{p}, ", # G
"*(void**)(R_ESP + {p}), ", # N
"*(void**)(R_ESP + {p}),*(void**)(R_ESP + {p} + 4), ", # M
"(void*)(R_ESP + {p}), ", # V
]
# Asserts
if len(FileSpec.values) != len(deltas):
raise NotImplementedError("len(values) = {lenval} != len(deltas) = {lendeltas}".format(lenval=len(FileSpec.values), lendeltas=len(deltas)))
if len(FileSpec.values) != len(vals):
raise NotImplementedError("len(values) = {lenval} != len(vals) = {lenvals}".format(lenval=len(FileSpec.values), lenvals=len(vals)))
if len(FileSpec.values) != len(arg):
raise NotImplementedError("len(values) = {lenval} != len(arg) = {lenarg}".format(lenval=len(FileSpec.values), lenarg=len(arg)))
# Helper functions to write the function definitions
def function_args(args: str, d: int = 4) -> str:
if len(args) == 0:
return ""
if d % 4 != 0:
raise ValueError("{d} is not a multiple of 4. Did you try passing a V then something else?".format(d=d))
return arg[FileSpec.values.index(args[0])].format(p=d) + function_args(args[1:], d + deltas[FileSpec.values.index(args[0])])
def function_writer(f, N: FunctionType, W: str) -> None:
f.write("void {0}(x86emu_t *emu, uintptr_t fcn) {2} {1} fn = ({1})fcn; ".format(N.orig, W, "{"))
if N.orig == 'vFv':
f.write("(void)emu; ")
args = N.orig[2:]
if args == 'Ev': args = 'E'
if any(c in 'PG' for c in args):
# Vulkan struct or GValue pointer, need to unwrap functions at the end
delta = 4
for c in args:
if c == 'P':
f.write("void *arg{d} = VulkanFromx86(*(void**)(R_ESP + {d})); ".format(d=delta))
if c == 'G':
f.write("my_GValue_t arg{d}; alignGValue(&arg{d}, *(void**)(R_ESP + {d})); ".format(d=delta))
delta = delta + deltas[FileSpec.values.index(c)]
f.write(vals[FileSpec.values.index(N.orig[0])].format(function_args(args)[:-2]) + " ")
delta = 4
for c in args:
if c == 'P':
f.write("VulkanTox86(arg{d}); ".format(d=delta))
if c == 'G':
f.write("unalignGValue(*(void**)(R_ESP + {d}), &arg{d}); ".format(d=delta))
delta = delta + deltas[FileSpec.values.index(c)]
f.write("}\n")
else:
# Generic function
f.write(vals[FileSpec.values.index(N.orig[0])].format(function_args(args)[:-2]) + " }\n")
# Rewrite the wrapper.c file:
with open(os.path.join(root, "src", "wrapped", "generated", "wrapper.c"), 'w') as file:
file.write(files_header["wrapper.c"].format(lbr="{", rbr="}", version=ver))
# First part: typedefs
for clauses in gbls:
if not clauses.empty():
file.write("\n#if " + str(clauses) + "\n")
generate_typedefs(gbls[clauses], file)
if not clauses.empty():
file.write("#endif\n")
file.write("\n")
# Next part: function definitions
for clauses in gbls:
if not clauses.empty():
file.write("\n#if " + str(clauses) + "\n")
for funtype in gbls[clauses]:
function_writer(file, funtype, funtype.orig + "_t")
if not clauses.empty():
file.write("#endif\n")
file.write("\n")
for clauses in redirects:
if not clauses.empty():
file.write("\n#if " + str(clauses) + "\n")
for funtype in redirects[clauses]:
assert(funtype.redirected is not None)
function_writer(file, funtype, funtype.redirected.orig + "_t")
if not clauses.empty():
file.write("#endif\n")
# Finally, write predicate functions
# isRetX87Wrapper
file.write("\nint isRetX87Wrapper(wrapper_t fun) {\n")
for clauses in gbls:
empty = True
for funtype in gbls[clauses]:
if funtype.orig[0] in return_x87: # TODO: put this in a function (functions would request the ABI for more info)
if empty and (not clauses.empty()):
file.write("#if " + str(clauses) + "\n")
empty = False
file.write("\tif (fun == &" + funtype.orig + ") return 1;\n")
if not empty:
file.write("#endif\n")
file.write("\treturn 0;\n}\n")
file.write(files_guard["wrapper.c"].format(lbr="{", rbr="}", version=ver))
# Rewrite the wrapper.h file:
with open(os.path.join(root, "src", "wrapped", "generated", "wrapper.h"), 'w') as file:
file.write(files_header["wrapper.h"].format(lbr="{", rbr="}", version=ver))
for clauses in gbls:
if not clauses.empty():
file.write("\n#if " + str(clauses) + "\n")
for funtype in gbls[clauses]:
file.write("void " + funtype.orig + "(x86emu_t *emu, uintptr_t fnc);\n")
if not clauses.empty():
file.write("#endif\n")
file.write("\n")
for clauses in redirects:
if not clauses.empty():
file.write("\n#if " + str(clauses) + "\n")
for funtype in redirects[clauses]:
file.write("void " + funtype.orig + "(x86emu_t *emu, uintptr_t fnc);\n")
if not clauses.empty():
file.write("#endif\n")
file.write(files_guard["wrapper.h"].format(lbr="{", rbr="}", version=ver))
for fn in filespecs:
tdtypes[FileSpec.values.index('V')] = "..."
with open(os.path.join(root, "src", "wrapped", "generated", fn + "types.h"), 'w') as file:
file.write(files_header["fntypes.h"].format(lbr="{", rbr="}", version=ver, filename=fn))
generate_typedefs(filespecs[fn].typedefs, file)
file.write("\n#define SUPER() ADDED_FUNCTIONS()")
for _bare in filespecs[fn].typedefs:
for fun in filespecs[fn].typedefs[_bare]:
if fun.no_dlsym: continue
file.write(" \\\n\tGO({0}, {1}_t)".format(fun.name, _bare.orig))
file.write("\n\n")
file.write(files_guard["fntypes.h"].format(lbr="{", rbr="}", version=ver, filename=fn))
with open(os.path.join(root, "src", "wrapped", "generated", fn + "defs.h"), 'w') as file:
file.write(files_header["fndefs.h"].format(lbr="{", rbr="}", version=ver, filename=fn))
for defined in filespecs[fn].structsuses:
file.write("#define {defined} {define}\n".format(defined=defined.orig, define=defined.redirected.orig))
file.write(files_guard["fndefs.h"].format(lbr="{", rbr="}", version=ver, filename=fn))
with open(os.path.join(root, "src", "wrapped", "generated", fn + "undefs.h"), 'w') as file:
file.write(files_header["fnundefs.h"].format(lbr="{", rbr="}", version=ver, filename=fn))
for defined in filespecs[fn].structsuses:
file.write("#undef {defined}\n".format(defined=defined.orig))
file.write(files_guard["fnundefs.h"].format(lbr="{", rbr="}", version=ver, filename=fn))
def main(root: str, files: Iterable[str], ver: str):
"""
main -- The main function
root: the root path (where the CMakeLists.txt is located)
files: a list of files to parse (wrapped*.h)
ver: version number
"""
# First read the files inside the headers
gbl_funcs, red_funcs, filespecs = readFiles(files)
if all(not c.empty() for c in gbl_funcs) or all(not c.empty() for c in red_funcs):
print("\033[1;31mThere is suspiciously not many types...\033[m", file=sys.stderr)
print("Check the CMakeLists.txt file. If you are SURE there is nothing wrong"
" (as a random example, `set()` resets the variable...), then comment out the following return.", file=sys.stderr)
print("(Also, the program WILL crash later if you proceed.)", file=sys.stderr)
return 2 # Check what you did, not proceeding
gbls, redirects = sortArrays(gbl_funcs, red_funcs, filespecs)
# Check if there was any new functions
functions_list = checkRun(root, gbls, redirects, filespecs)
if functions_list is None:
print("Detected same build as last run, skipping")
return 0
# Now the files rebuilding part
generate_files(root, files, ver, gbls, redirects, filespecs)
# Save the string for the next iteration, writing was successful
with open(os.path.join(root, "src", "wrapped", "generated", "functions_list.txt"), 'w') as file:
file.write(functions_list)
return 0
if __name__ == '__main__':
limit = []
for i, v in enumerate(sys.argv):
if v == "--":
limit.append(i)
Define.defines = list(map(DefineType, sys.argv[2:limit[0]]))
if main(sys.argv[1], sys.argv[limit[0]+1:], "2.0.0.11") != 0:
exit(2)
exit(0)
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