dyld-551.3.tar.gz

[apple/dyld.git] / dyld3 / SharedCacheRuntime.h

/*
 * 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.
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#ifndef __DYLD_SHARED_CACHE_RUNTIME_H__
#define __DYLD_SHARED_CACHE_RUNTIME_H__

#include <string.h>
#include <stdint.h>

#include "DyldSharedCache.h"

namespace dyld3 {

struct SharedCacheOptions {
    const char*     cacheDirOverride;
    bool            forcePrivate;
    bool            useHaswell;
    bool            verbose;
};

struct SharedCacheLoadInfo {
    const DyldSharedCache*                          loadAddress;
    long                                            slide;
    const launch_cache::binary_format::ImageGroup*  cachedDylibsGroup;
    const char*                                     errorMessage;
    char                                            path[256];
};

bool loadDyldCache(const SharedCacheOptions& options, SharedCacheLoadInfo* results);

struct SharedCacheFindDylibResults {
    const mach_header*                          mhInCache;
    const char*                                 pathInCache;
    long                                        slideInCache;
    const launch_cache::binary_format::Image*   imageData;
};


bool findInSharedCacheImage(const SharedCacheLoadInfo& loadInfo, const char* dylibPathToFind, SharedCacheFindDylibResults* results);

bool pathIsInSharedCacheImage(const SharedCacheLoadInfo& loadInfo, const char* dylibPathToFind);


} // namespace dyld3

#endif // __DYLD_SHARED_CACHE_RUNTIME_H__