mirror of
https://github.com/darlinghq/darling-dyld.git
synced 2024-11-23 12:29:44 +00:00
83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
/*
|
|
* Copyright (c) 2017 Apple Inc. All rights reserved.
|
|
*
|
|
* @APPLE_LICENSE_HEADER_START@
|
|
*
|
|
* This file contains Original Code and/or Modifications of Original Code
|
|
* as defined in and that are subject to the Apple Public Source License
|
|
* Version 2.0 (the 'License'). You may not use this file except in
|
|
* compliance with the License. Please obtain a copy of the License at
|
|
* http://www.opensource.apple.com/apsl/ and read it before using this
|
|
* file.
|
|
*
|
|
* The Original Code and all software distributed under the License are
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
|
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
|
|
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
|
|
* Please see the License for the specific language governing rights and
|
|
* limitations under the License.
|
|
*
|
|
* @APPLE_LICENSE_HEADER_END@
|
|
*/
|
|
|
|
#ifndef ClosureFileSystem_h
|
|
#define ClosureFileSystem_h
|
|
|
|
// For MAXPATHLEN
|
|
#include <sys/param.h>
|
|
// For va_list
|
|
#include <stdarg.h>
|
|
// For uint64_t
|
|
#include <stdint.h>
|
|
|
|
namespace dyld3 {
|
|
namespace closure {
|
|
|
|
struct LoadedFileInfo {
|
|
const void* fileContent = nullptr;
|
|
uint64_t fileContentLen = 0;
|
|
uint64_t sliceOffset = 0;
|
|
uint64_t sliceLen : 63,
|
|
isOSBinary : 1;
|
|
uint64_t inode = 0;
|
|
uint64_t mtime = 0;
|
|
void (*unload)(const LoadedFileInfo&) = nullptr;
|
|
const char* path = nullptr;
|
|
};
|
|
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
|
|
class FileSystem {
|
|
protected:
|
|
FileSystem() { }
|
|
|
|
public:
|
|
|
|
// Get the real path for a given path, if it exists.
|
|
// Returns true if the real path was found and updates the given buffer iff that is the case
|
|
virtual bool getRealPath(const char possiblePath[MAXPATHLEN], char realPath[MAXPATHLEN]) const = 0;
|
|
|
|
// Returns true on success. If an error occurs the given callback will be called with the reason.
|
|
// On success, info is filled with info about the loaded file. If the path supplied includes a symlink,
|
|
// the supplier realerPath is filled in with the real path of the file, otherwise it is set to the empty string.
|
|
virtual bool loadFile(const char* path, LoadedFileInfo& info, char realerPath[MAXPATHLEN], void (^error)(const char* format, ...)) const = 0;
|
|
|
|
// Frees the buffer allocated by loadFile()
|
|
virtual void unloadFile(const LoadedFileInfo& info) const = 0;
|
|
|
|
// Frees all but the requested range and adjusts info to new buffer location
|
|
// Remaining buffer can be freed later with unloadFile()
|
|
virtual void unloadPartialFile(LoadedFileInfo& info, uint64_t keepStartOffset, uint64_t keepLength) const = 0;
|
|
|
|
// If a file exists at path, returns true and sets inode and mtime
|
|
virtual bool fileExists(const char* path, uint64_t* inode=nullptr, uint64_t* mtime=nullptr,
|
|
bool* issetuid=nullptr, bool* inodesMatchRuntime = nullptr) const = 0;
|
|
};
|
|
#pragma clang diagnostic pop
|
|
|
|
} // namespace closure
|
|
} // namespace dyld3
|
|
|
|
#endif /* ClosureFileSystem_h */
|