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--- dyld/dyld-852/src/dyldAPIs.cpp
+++ dyld/dyld-551.4/src/dyldAPIs.cpp
@@ -45,41 +45,19 @@
#include <sys/sysctl.h>
#include <mach/mach_traps.h> // for task_self_trap()
-#include <mach-o/dyld_images.h>
-#include <mach-o/dyld.h>
-#include <mach-o/dyld_priv.h>
+
+#include "mach-o/dyld_images.h"
+#include "mach-o/dyld.h"
+#include "mach-o/dyld_priv.h"
#include "ImageLoader.h"
#include "ImageLoaderMachO.h"
-#include "dyld2.h"
+#include "dyld.h"
#include "dyldLibSystemInterface.h"
#include "DyldSharedCache.h"
-#include "MachOFile.h"
#undef _POSIX_C_SOURCE
-#include <dlfcn.h>
-
-#if __has_feature(ptrauth_calls)
- #include <ptrauth.h>
-#endif
-
-
-// relocation_info.r_length field has value 3 for 64-bit executables and value 2 for 32-bit executables
-#if __LP64__
-#define RELOC_SIZE 3
-#define LC_SEGMENT_COMMAND LC_SEGMENT_64
-#define LC_ROUTINES_COMMAND LC_ROUTINES_64
-struct macho_segment_command : public segment_command_64 {};
-struct macho_section : public section_64 {};
-struct macho_routines_command : public routines_command_64 {};
-#else
-#define RELOC_SIZE 2
-#define LC_SEGMENT_COMMAND LC_SEGMENT
-#define LC_ROUTINES_COMMAND LC_ROUTINES
-struct macho_segment_command : public segment_command {};
-struct macho_section : public section {};
-struct macho_routines_command : public routines_command {};
-#endif
+#include "dlfcn.h"
// this was in dyld_priv.h but it is no longer exported
@@ -98,21 +76,11 @@
extern "C" int _dyld_func_lookup(const char* name, void** address);
-extern "C" void* dlopen_internal(const char* path, int mode, void* callerAddress);
-extern "C" bool dlopen_preflight_internal(const char* path, void* callerAddress);
-extern "C" void* dlsym_internal(void* handle, const char* symbolName, void* callerAddress);
-
-extern "C" void* dlopen_compat(const char* path, int mode);
-extern "C" bool dlopen_preflight_compat(const char* path);
-extern "C" void* dlsym_compat(void* handle, const char* symbolName);
-
-
-
// deprecated APIs are still availble on Mac OS X, but not on iPhone OS
-#if TARGET_OS_OSX
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+ #define DEPRECATED_APIS_SUPPORTED 0
+#else
#define DEPRECATED_APIS_SUPPORTED 1
-#else
- #define DEPRECATED_APIS_SUPPORTED 0
#endif
static bool sDynamicInterposing = false;
@@ -162,24 +130,20 @@
void* implementation;
};
-static const struct dyld_func dyld_funcs[] = {
+static struct dyld_func dyld_funcs[] = {
{"__dyld_register_func_for_add_image", (void*)_dyld_register_func_for_add_image },
{"__dyld_register_func_for_remove_image", (void*)_dyld_register_func_for_remove_image },
{"__dyld_dladdr", (void*)dladdr },
{"__dyld_dlclose", (void*)dlclose },
{"__dyld_dlerror", (void*)dlerror },
- {"__dyld_dlopen_internal", (void*)dlopen_internal },
- {"__dyld_dlsym_internal", (void*)dlsym_internal },
- {"__dyld_dlopen_preflight_internal", (void*)dlopen_preflight_internal },
- {"__dyld_dlopen", (void*)dlopen_compat },
- {"__dyld_dlsym", (void*)dlsym_compat },
- {"__dyld_dlopen_preflight", (void*)dlopen_preflight_compat },
+ {"__dyld_dlopen", (void*)dlopen },
+ {"__dyld_dlsym", (void*)dlsym },
+ {"__dyld_dlopen_preflight", (void*)dlopen_preflight },
{"__dyld_image_count", (void*)_dyld_image_count },
{"__dyld_get_image_header", (void*)_dyld_get_image_header },
{"__dyld_get_image_vmaddr_slide", (void*)_dyld_get_image_vmaddr_slide },
{"__dyld_get_image_name", (void*)_dyld_get_image_name },
{"__dyld_get_image_slide", (void*)_dyld_get_image_slide },
- {"__dyld_get_prog_image_header", (void*)_dyld_get_prog_image_header },
{"__dyld__NSGetExecutablePath", (void*)_NSGetExecutablePath },
// SPIs
@@ -198,21 +162,15 @@
{"__dyld_process_is_restricted", (void*)dyld::processIsRestricted },
{"__dyld_dynamic_interpose", (void*)dyld_dynamic_interpose },
{"__dyld_shared_cache_file_path", (void*)dyld::getStandardSharedCacheFilePath },
- {"__dyld_has_inserted_or_interposing_libraries", (void*)dyld::hasInsertedOrInterposingLibraries },
{"__dyld_get_image_header_containing_address", (void*)dyld_image_header_containing_address },
{"__dyld_is_memory_immutable", (void*)_dyld_is_memory_immutable },
{"__dyld_objc_notify_register", (void*)_dyld_objc_notify_register },
{"__dyld_get_shared_cache_uuid", (void*)_dyld_get_shared_cache_uuid },
{"__dyld_get_shared_cache_range", (void*)_dyld_get_shared_cache_range },
- {"__dyld_images_for_addresses", (void*)_dyld_images_for_addresses },
- {"__dyld_register_for_image_loads", (void*)_dyld_register_for_image_loads },
- {"__dyld_register_for_bulk_image_loads", (void*)_dyld_register_for_bulk_image_loads },
- {"__dyld_register_driverkit_main", (void*)_dyld_register_driverkit_main },
- {"__dyld_halt", (void*)dyld::halt },
-
+
+
+ // deprecated
#if DEPRECATED_APIS_SUPPORTED
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
{"__dyld_lookup_and_bind", (void*)client_dyld_lookup_and_bind },
{"__dyld_lookup_and_bind_with_hint", (void*)_dyld_lookup_and_bind_with_hint },
{"__dyld_lookup_and_bind_fully", (void*)_dyld_lookup_and_bind_fully },
@@ -254,7 +212,6 @@
#if OLD_LIBSYSTEM_SUPPORT
{"__dyld_link_module", (void*)_dyld_link_module },
#endif
-#pragma clang diagnostic pop
#endif //DEPRECATED_APIS_SUPPORTED
{NULL, 0}
@@ -300,7 +257,6 @@
const void* imageBaseAddress; // not used with OFI created from files
size_t imageLength; // not used with OFI created from files
};
-typedef __NSObjectFileImage* NSObjectFileImage;
VECTOR_NEVER_DESTRUCTED(NSObjectFileImage);
@@ -391,35 +347,10 @@
return allImagesIndexedPath(image_index);
}
-const struct mach_header* _dyld_get_prog_image_header()
-{
- if ( dyld::gLogAPIs )
- dyld::log("%s()\n", __func__);
-
- return dyld::mainExecutable()->machHeader();
-}
-
-static const void *stripPointer(const void *ptr) {
-#if __has_feature(ptrauth_calls)
- return __builtin_ptrauth_strip(ptr, ptrauth_key_asia);
-#else
- return ptr;
-#endif
-}
-
-static void *stripPointer(void *ptr) {
-#if __has_feature(ptrauth_calls)
- return __builtin_ptrauth_strip(ptr, ptrauth_key_asia);
-#else
- return ptr;
-#endif
-}
-
const struct mach_header * dyld_image_header_containing_address(const void* address)
{
if ( dyld::gLogAPIs )
dyld::log("%s(%p)\n", __func__, address);
- address = stripPointer(address);
#if SUPPORT_ACCELERATE_TABLES
const mach_header* mh;
const char* path;
@@ -427,7 +358,7 @@
return mh;
#endif
ImageLoader* image = dyld::findImageContainingAddress(address);
- if ( image != NULL )
+ if ( image != NULL )
return image->machHeader();
return NULL;
}
@@ -784,19 +715,6 @@
ImageLoader* image = dyld::findImageContainingSymbol(symbol);
if ( image != NULL )
result = (void*)image->getExportedSymbolAddress(NSSymbolToSymbol(symbol), dyld::gLinkContext);
-
-#if __has_feature(ptrauth_calls)
- // Sign the pointer if it points to a function
- if ( result ) {
- const ImageLoader* symbolImage = image;
- if (!symbolImage->containsAddress(result)) {
- symbolImage = dyld::findImageContainingAddress(result);
- }
- const macho_section *sect = symbolImage ? symbolImage->findSection(result) : NULL;
- if ( sect && ((sect->flags & S_ATTR_PURE_INSTRUCTIONS) || (sect->flags & S_ATTR_SOME_INSTRUCTIONS)) )
- result = __builtin_ptrauth_sign_unauthenticated(result, ptrauth_key_asia, 0);
- }
-#endif
return result;
}
@@ -825,7 +743,6 @@
{
if ( dyld::gLogAPIs )
dyld::log("%s(%p)\n", __func__, address);
- address = stripPointer(address);
dyld::clearErrorMessage();
ImageLoader* image = dyld::findImageContainingAddress(address);
if ( image != NULL ) {
@@ -1382,7 +1299,7 @@
}
-bool dlopen_preflight_internal(const char* path, void* callerAddress)
+bool dlopen_preflight(const char* path)
{
if ( dyld::gLogAPIs )
dyld::log("%s(%s)\n", __func__, path);
@@ -1393,7 +1310,7 @@
const bool leafName = (strchr(path, '/') == NULL);
const bool absolutePath = (path[0] == '/');
-#if TARGET_OS_IPHONE
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
char canonicalPath[PATH_MAX];
// <rdar://problem/7017050> dlopen() not opening frameworks from shared cache with // or ./ in path
if ( !leafName ) {
@@ -1423,21 +1340,11 @@
// if requested path is to something in the dyld shared cache, always succeed
if ( dyld::inSharedCache(path) )
return true;
-
-#if TARGET_OS_OSX
- // <rdar://problem/47464387> dlopen_preflight() on symlink to image in shared cache leaves it half loaded
- if ( strncmp(path, "/System/Library/", 16) == 0 ) {
- char canonicalPath[PATH_MAX];
- if ( realpath(path, canonicalPath) ) {
- if ( dyld::inSharedCache(canonicalPath) )
- return true;
- }
- }
-#endif
-
+
bool result = false;
std::vector<const char*> rpathsFromCallerImage;
try {
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
ImageLoader* callerImage = dyld::findImageContainingAddress(callerAddress);
// for dlopen, use rpath from caller image and from main executable
if ( callerImage != NULL )
@@ -1503,13 +1410,14 @@
}
#endif
-void* dlopen_internal(const char* path, int mode, void* callerAddress)
+void* dlopen(const char* path, int mode)
{
if ( dyld::gLogAPIs )
dyld::log("%s(%s, 0x%08X)\n", __func__, ((path==NULL) ? "NULL" : path), mode);
#if SUPPORT_ACCELERATE_TABLES
if ( dyld::gLogAppAPIs ) {
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
const char* shortName;
if ( callerIsNonOSApp(callerAddress, &shortName) ) {
dyld::log("%s: %s(%s, 0x%08X)\n", shortName, __func__, ((path==NULL) ? "NULL" : path), mode);
@@ -1539,7 +1447,7 @@
void* result = NULL;
const bool leafName = (strchr(path, '/') == NULL);
const bool absolutePath = (path[0] == '/');
-#if TARGET_OS_IPHONE
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
char canonicalPath[PATH_MAX];
// <rdar://problem/7017050> dlopen() not opening frameworks from shared cache with // or ./ in path
if ( !leafName ) {
@@ -1573,6 +1481,7 @@
std::vector<const char*> rpathsFromCallerImage;
ImageLoader::RPathChain callersRPaths(NULL, &rpathsFromCallerImage);
try {
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
ImageLoader* callerImage = dyld::findImageContainingAddress(callerAddress);
if ( (mode & RTLD_NOLOAD) == 0 ) {
// for dlopen, use rpath from caller image and from main executable
@@ -1618,12 +1527,7 @@
bool alreadyLinked = image->isLinked();
bool forceLazysBound = ( (mode & RTLD_NOW) != 0 );
dyld::link(image, forceLazysBound, false, callersRPaths, cacheIndex);
- if ( alreadyLinked ) {
- // upgrade
- if ( ((mode & RTLD_LOCAL) == 0) && image->hasHiddenExports() )
- image->setHideExports(false);
- }
- else {
+ if ( ! alreadyLinked ) {
// only hide exports if image is not already in use
if ( (mode & RTLD_LOCAL) != 0 )
image->setHideExports(true);
@@ -1699,6 +1603,8 @@
return result;
}
+
+
int dlclose(void* handle)
{
if ( dyld::gLogAPIs )
@@ -1709,14 +1615,7 @@
return 0;
if ( handle == RTLD_DEFAULT )
return 0;
-
-#if SUPPORT_ACCELERATE_TABLES
- if ( dyld::isCacheHandle(handle) ) {
- dlerrorClear();
- return 0;
- }
-#endif
-
+
ImageLoader* image = (ImageLoader*)(((uintptr_t)handle) & (-4)); // clear mode bits
if ( dyld::validImage(image) ) {
dlerrorClear();
@@ -1742,12 +1641,6 @@
{
if ( dyld::gLogAPIs )
dyld::log("%s(%p, %p)\n", __func__, address, info);
-
- // <rdar://problem/42171466> calling dladdr(xx,NULL) crashes
- if ( info == NULL )
- return 0; // failure
-
- address = stripPointer(address);
CRSetCrashLogMessage("dyld: in dladdr()");
#if SUPPORT_ACCELERATE_TABLES
@@ -1816,13 +1709,14 @@
return NULL;
}
-void* dlsym_internal(void* handle, const char* symbolName, void* callerAddress)
+void* dlsym(void* handle, const char* symbolName)
{
if ( dyld::gLogAPIs )
dyld::log("%s(%p, %s)\n", __func__, handle, symbolName);
#if SUPPORT_ACCELERATE_TABLES
if ( dyld::gLogAppAPIs ) {
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
const char* shortName;
if ( callerIsNonOSApp(callerAddress, &shortName) ) {
dyld::log("%s: %s(%p, %s)\n", shortName, __func__, handle, symbolName);
@@ -1848,20 +1742,6 @@
if ( dyld::flatFindExportedSymbol(underscoredName, &sym, &image) ) {
CRSetCrashLogMessage(NULL);
result = (void*)image->getExportedSymbolAddress(sym, dyld::gLinkContext, NULL, false, underscoredName);
-#if __has_feature(ptrauth_calls)
- // Sign the pointer if it points to a function
- // Note we only do this if the main executable is arm64e as otherwise we
- // may end up calling containsAddress on the accelerator tables.
- if ( result && ((dyld::gLinkContext.mainExecutable->machHeader()->cpusubtype & ~CPU_SUBTYPE_MASK) == CPU_SUBTYPE_ARM64E) ) {
- const ImageLoader* symbolImage = image;
- if (!symbolImage->containsAddress(result)) {
- symbolImage = dyld::findImageContainingAddress(result);
- }
- const macho_section *sect = symbolImage ? symbolImage->findSection(result) : NULL;
- if ( sect && ((sect->flags & S_ATTR_PURE_INSTRUCTIONS) || (sect->flags & S_ATTR_SOME_INSTRUCTIONS)) )
- result = __builtin_ptrauth_sign_unauthenticated(result, ptrauth_key_asia, 0);
- }
-#endif
if ( dyld::gLogAPIs )
dyld::log(" %s(RTLD_DEFAULT, %s) ==> %p\n", __func__, symbolName, result);
return result;
@@ -1882,20 +1762,6 @@
if ( sym != NULL ) {
CRSetCrashLogMessage(NULL);
result = (void*)image->getExportedSymbolAddress(sym, dyld::gLinkContext, NULL, false, underscoredName);
-#if __has_feature(ptrauth_calls)
- // Sign the pointer if it points to a function
- // Note we only do this if the main executable is arm64e as otherwise we
- // may end up calling containsAddress on the accelerator tables.
- if ( result && ((dyld::gLinkContext.mainExecutable->machHeader()->cpusubtype & ~CPU_SUBTYPE_MASK) == CPU_SUBTYPE_ARM64E) ) {
- const ImageLoader* symbolImage = image;
- if (!symbolImage->containsAddress(result)) {
- symbolImage = dyld::findImageContainingAddress(result);
- }
- const macho_section *sect = symbolImage ? symbolImage->findSection(result) : NULL;
- if ( sect && ((sect->flags & S_ATTR_PURE_INSTRUCTIONS) || (sect->flags & S_ATTR_SOME_INSTRUCTIONS)) )
- result = __builtin_ptrauth_sign_unauthenticated(result, ptrauth_key_asia, 0);
- }
-#endif
if ( dyld::gLogAPIs )
dyld::log(" %s(RTLD_MAIN_ONLY, %s) ==> %p\n", __func__, symbolName, result);
return result;
@@ -1911,6 +1777,7 @@
// magic "search what I would see" handle
else if ( handle == RTLD_NEXT ) {
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
#if SUPPORT_ACCELERATE_TABLES
const mach_header* mh;
const char* path;
@@ -1928,20 +1795,6 @@
if ( sym != NULL ) {
CRSetCrashLogMessage(NULL);
result = (void*)image->getExportedSymbolAddress(sym, dyld::gLinkContext , callerImage, false, underscoredName);
-#if __has_feature(ptrauth_calls)
- // Sign the pointer if it points to a function
- // Note we only do this if the main executable is arm64e as otherwise we
- // may end up calling containsAddress on the accelerator tables.
- if ( result && ((dyld::gLinkContext.mainExecutable->machHeader()->cpusubtype & ~CPU_SUBTYPE_MASK) == CPU_SUBTYPE_ARM64E) ) {
- const ImageLoader* symbolImage = image;
- if (!symbolImage->containsAddress(result)) {
- symbolImage = dyld::findImageContainingAddress(result);
- }
- const macho_section *sect = symbolImage ? symbolImage->findSection(result) : NULL;
- if ( sect && ((sect->flags & S_ATTR_PURE_INSTRUCTIONS) || (sect->flags & S_ATTR_SOME_INSTRUCTIONS)) )
- result = __builtin_ptrauth_sign_unauthenticated(result, ptrauth_key_asia, 0);
- }
-#endif
if ( dyld::gLogAPIs )
dyld::log(" %s(RTLD_NEXT, %s) ==> %p\n", __func__, symbolName, result);
return result;
@@ -1956,6 +1809,7 @@
}
// magic "search me, then what I would see" handle
else if ( handle == RTLD_SELF ) {
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
#if SUPPORT_ACCELERATE_TABLES
const mach_header* mh;
const char* path;
@@ -1973,20 +1827,6 @@
if ( sym != NULL ) {
CRSetCrashLogMessage(NULL);
result = (void*)image->getExportedSymbolAddress(sym, dyld::gLinkContext, callerImage, false, underscoredName);
-#if __has_feature(ptrauth_calls)
- // Sign the pointer if it points to a function
- // Note we only do this if the main executable is arm64e as otherwise we
- // may end up calling containsAddress on the accelerator tables.
- if ( result && ((dyld::gLinkContext.mainExecutable->machHeader()->cpusubtype & ~CPU_SUBTYPE_MASK) == CPU_SUBTYPE_ARM64E) ) {
- const ImageLoader* symbolImage = image;
- if (!symbolImage->containsAddress(result)) {
- symbolImage = dyld::findImageContainingAddress(result);
- }
- const macho_section *sect = symbolImage ? symbolImage->findSection(result) : NULL;
- if ( sect && ((sect->flags & S_ATTR_PURE_INSTRUCTIONS) || (sect->flags & S_ATTR_SOME_INSTRUCTIONS)) )
- result = __builtin_ptrauth_sign_unauthenticated(result, ptrauth_key_asia, 0);
- }
-#endif
if ( dyld::gLogAPIs )
dyld::log(" %s(RTLD_SELF, %s) ==> %p\n", __func__, symbolName, result);
return result;
@@ -2021,23 +1861,10 @@
ImageLoader* callerImage = NULL;
if ( sDynamicInterposing ) {
// only take time to look up caller, if dynamic interposing in use
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
callerImage = dyld::findImageContainingAddress(callerAddress);
}
result = (void*)image->getExportedSymbolAddress(sym, dyld::gLinkContext, callerImage, false, underscoredName);
-#if __has_feature(ptrauth_calls)
- // Sign the pointer if it points to a function
- // Note we only do this if the main executable is arm64e as otherwise we
- // may end up calling containsAddress on the accelerator tables.
- if ( result && ((dyld::gLinkContext.mainExecutable->machHeader()->cpusubtype & ~CPU_SUBTYPE_MASK) == CPU_SUBTYPE_ARM64E) ) {
- const ImageLoader* symbolImage = image;
- if (!symbolImage->containsAddress(result)) {
- symbolImage = dyld::findImageContainingAddress(result);
- }
- const macho_section *sect = symbolImage ? symbolImage->findSection(result) : NULL;
- if ( sect && ((sect->flags & S_ATTR_PURE_INSTRUCTIONS) || (sect->flags & S_ATTR_SOME_INSTRUCTIONS)) )
- result = __builtin_ptrauth_sign_unauthenticated(result, ptrauth_key_asia, 0);
- }
-#endif
if ( dyld::gLogAPIs )
dyld::log(" %s(%p, %s) ==> %p\n", __func__, handle, symbolName, result);
return result;
@@ -2055,25 +1882,11 @@
return NULL;
}
-// Note this is only here to support ___pthread_abort in libpthread.a
-void* dlsym(void* handle, const char* symbolName) {
- return dlsym_internal(handle, symbolName, __builtin_return_address(1));
-}
-
-
-// <rdar://problem/40352925> *_compat functions are for old binaries that have __dyld section and use it to bypass libdyld.dylib
-void* dlopen_compat(const char* path, int mode)
-{
- return dlopen_internal(path, mode, (void*)dyld::mainExecutable()->machHeader());
-}
-bool dlopen_preflight_compat(const char* path)
-{
- return dlopen_preflight_internal(path, (void*)dyld::mainExecutable()->machHeader());
-}
-void* dlsym_compat(void* handle, const char* symbolName)
-{
- return dlsym_internal(handle, symbolName, (void*)dyld::mainExecutable()->machHeader());
-}
+
+
+
+
+
@@ -2089,8 +1902,6 @@
{
//if ( dyld::gLogAPIs )
// dyld::log("%s(%p, %p)\n", __func__, addr, info);
-
- addr = stripPointer(addr);
#if SUPPORT_ACCELERATE_TABLES
if ( dyld::findUnwindSections(addr, info) )
@@ -2111,8 +1922,6 @@
if ( dyld::gLogAPIs )
dyld::log("%s(%p)\n", __func__, address);
- address = (void*)stripPointer(address);
-
#if SUPPORT_ACCELERATE_TABLES
const mach_header* mh;
const char* path;
@@ -2121,9 +1930,8 @@
#endif
ImageLoader* image = dyld::findImageContainingAddress(address);
- if ( image != NULL ) {
+ if ( image != NULL )
return image->getRealPath();
- }
return NULL;
}
@@ -2146,9 +1954,6 @@
ImageLoader* image = dyld::findImageByMachHeader(mh);
if ( image == NULL )
return;
-
- // make the cache writable for this block
- DyldSharedCache::DataConstScopedWriter patcher(dyld::gLinkContext.dyldCache, mach_task_self(), (dyld::gLinkContext.verboseMapping ? &dyld::log : nullptr));
// make pass at bound references in this image and update them
dyld::gLinkContext.dynamicInterposeArray = array;
@@ -2219,55 +2024,11 @@
const DyldSharedCache* cache = (DyldSharedCache*)dyld::imMemorySharedCacheHeader();
if ( cache != nullptr ) {
const dyld_cache_mapping_info* const mappings = (dyld_cache_mapping_info*)((char*)cache + cache->header.mappingOffset);
- const dyld_cache_mapping_info* lastMapping = &mappings[cache->header.mappingCount - 1];
- *length = (size_t)((lastMapping->address + lastMapping->size) - cache->unslidLoadAddress());
+ *length = (size_t)((mappings[2].address + mappings[2].size) - mappings[0].address);
return cache;
}
return nullptr;
}
-void _dyld_images_for_addresses(unsigned count, const void* addresses[], struct dyld_image_uuid_offset infos[])
-{
- for (unsigned i=0; i < count; ++i) {
- const void* addr = addresses[i];
- addr = stripPointer(addr);
- bzero(&infos[i], sizeof(dyld_image_uuid_offset));
-#if SUPPORT_ACCELERATE_TABLES
- const mach_header* mh;
- const char* path;
- if ( dyld::addressInCache(addr, &mh, &path) ) {
- infos[i].image = mh;
- infos[i].offsetInImage = (uintptr_t)addr - (uintptr_t)mh;
- ((dyld3::MachOFile*)mh)->getUuid(infos[i].uuid);
- continue;
- }
-#endif
- ImageLoader* image = dyld::findImageContainingAddress(addr);
- if ( image != nullptr ) {
- infos[i].image = image->machHeader();
- infos[i].offsetInImage = (uintptr_t)addr - (uintptr_t)(image->machHeader());
- image->getUUID(infos[i].uuid);
- }
- }
-}
-
-void _dyld_register_for_image_loads(void (*func)(const mach_header* mh, const char* path, bool unloadable))
-{
- if ( dyld::gLogAPIs )
- dyld::log("%s(%p)\n", __func__, (void *)func);
- dyld::registerLoadCallback(func);
-}
-
-void _dyld_register_for_bulk_image_loads(void (*func)(unsigned imageCount, const struct mach_header* mhs[], const char* paths[]))
-{
- if ( dyld::gLogAPIs )
- dyld::log("%s(%p)\n", __func__, (void *)func);
- dyld::registerBulkLoadCallback(func);
-}
-
-void _dyld_register_driverkit_main(void (*mainFunc)())
-{
- dyld::setMainEntry(mainFunc);
-}
-
-
+
+