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--- dyld/dyld-132.13/launch-cache/dsc_iterator.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
- *
- * Copyright (c) 2009 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@
- */
-
-#include <stdlib.h>
-
-#include "dsc_iterator.h"
-#include "dyld_cache_format.h"
-#define NO_ULEB
-#include "Architectures.hpp"
-#include "MachOFileAbstraction.hpp"
-#include "CacheFileAbstraction.hpp"
-
-
-namespace dyld {
-
- // convert an address in the shared region where the cache would normally be mapped, into an address where the cache is currently mapped
- template <typename E>
- const uint8_t* mappedAddress(const uint8_t* cache, uint64_t addr)
- {
- const dyldCacheHeader<E>* header = (dyldCacheHeader<E>*)cache;
- const dyldCacheFileMapping<E>* mappings = (dyldCacheFileMapping<E>*)&cache[header->mappingOffset()];
- for (uint32_t i=0; i < header->mappingCount(); ++i) {
- if ( (mappings[i].address() <= addr) && (addr < (mappings[i].address() + mappings[i].size())) ) {
- return &cache[mappings[i].file_offset() + addr - mappings[i].address()];
- }
- }
- return NULL;
- }
-
- // call the callback block on each segment in this image
- template <typename A>
- void walkSegments(const uint8_t* cache, const char* dylibPath, const uint8_t* machHeader, dyld_shared_cache_iterator_t callback)
- {
- typedef typename A::P P;
- typedef typename A::P::E E;
- const macho_header<P>* mh = (const macho_header<P>*)machHeader;
- const macho_load_command<P>* const cmds = (macho_load_command<P>*)(machHeader + sizeof(macho_header<P>));
- const uint32_t cmd_count = mh->ncmds();
- const macho_load_command<P>* cmd = cmds;
- for (uint32_t i = 0; i < cmd_count; ++i) {
- if ( cmd->cmd() == macho_segment_command<P>::CMD ) {
- macho_segment_command<P>* segCmd = (macho_segment_command<P>*)cmd;
- const uint8_t* segStartInCache = mappedAddress<E>(cache, segCmd->vmaddr());
- uint64_t fileOffset = segStartInCache - cache;
- callback(dylibPath, segCmd->segname(), fileOffset, segCmd->vmsize());
- }
- cmd = (const macho_load_command<P>*)(((uint8_t*)cmd)+cmd->cmdsize());
- }
- }
-
-
- // call walkSegments on each image in the cache
- template <typename A>
- int walkImages(const uint8_t* cache, dyld_shared_cache_iterator_t callback)
- {
- typedef typename A::P::E E;
- const dyldCacheHeader<E>* header = (dyldCacheHeader<E>*)cache;
- const dyldCacheImageInfo<E>* dylibs = (dyldCacheImageInfo<E>*)&cache[header->imagesOffset()];
- for (uint32_t i=0; i < header->imagesCount(); ++i) {
- const char* dylibPath = (char*)cache + dylibs[i].pathFileOffset();
- const uint8_t* machHeader = mappedAddress<E>(cache, dylibs[i].address());
- walkSegments<A>(cache, dylibPath, machHeader, callback);
- }
- return 0;
- }
-
-}
-
-
-// Given a pointer to an in-memory copy of a dyld shared cache file,
-// this routine will call the callback block once for each segment
-// in each dylib in the shared cache file.
-// Returns -1 if there was an error, otherwise 0.
-int dyld_shared_cache_iterate_segments(const void* shared_cache_file, dyld_shared_cache_iterator_t callback)
-{
- const uint8_t* cache = (uint8_t*)shared_cache_file;
- if ( strcmp((char*)cache, "dyld_v1 i386") == 0 )
- return dyld::walkImages<x86>(cache, callback);
- else if ( strcmp((char*)cache, "dyld_v1 x86_64") == 0 )
- return dyld::walkImages<x86_64>(cache, callback);
- else if ( strcmp((char*)cache, "dyld_v1 ppc") == 0 )
- return dyld::walkImages<ppc>(cache, callback);
- else
- return -1;
-}
-