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--- dyld/dyld-239.4/src/ImageLoaderMachOCompressed.cpp
+++ dyld/dyld-360.14/src/ImageLoaderMachOCompressed.cpp
@@ -23,18 +23,21 @@
*/
+#if __arm__ || __arm64__
+ #include <System/sys/mman.h>
+#else
+ #include <sys/mman.h>
+#endif
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
-#include <sys/mman.h>
#include <sys/param.h>
#include <mach/mach.h>
#include <mach/thread_status.h>
#include <mach-o/loader.h>
-
#include "ImageLoaderMachOCompressed.h"
#include "mach-o/dyld_images.h"
@@ -112,10 +115,11 @@
// for PIE record end of program, to know where to start loading dylibs
if ( slide != 0 )
fgNextPIEDylibAddress = (uintptr_t)image->getEnd();
-
+
+ image->disableCoverageCheck();
image->instantiateFinish(context);
image->setMapped(context);
-
+
if ( context.verboseMapping ) {
dyld::log("dyld: Main executable mapped %s\n", path);
for(unsigned int i=0, e=image->segmentCount(); i < e; ++i) {
@@ -131,10 +135,12 @@
}
// create image by mapping in a mach-o file
-ImageLoaderMachOCompressed* ImageLoaderMachOCompressed::instantiateFromFile(const char* path, int fd, const uint8_t* fileData,
+ImageLoaderMachOCompressed* ImageLoaderMachOCompressed::instantiateFromFile(const char* path, int fd, const uint8_t* fileData, size_t lenFileData,
uint64_t offsetInFat, uint64_t lenInFat, const struct stat& info,
unsigned int segCount, unsigned int libCount,
- const struct linkedit_data_command* codeSigCmd, const LinkContext& context)
+ const struct linkedit_data_command* codeSigCmd,
+ const struct encryption_info_command* encryptCmd,
+ const LinkContext& context)
{
ImageLoaderMachOCompressed* image = ImageLoaderMachOCompressed::instantiateStart((macho_header*)fileData, path, segCount, libCount);
@@ -145,9 +151,15 @@
// if this image is code signed, let kernel validate signature before mapping any pages from image
image->loadCodeSignature(codeSigCmd, fd, offsetInFat, context);
+ // Validate that first data we read with pread actually matches with code signature
+ image->validateFirstPages(codeSigCmd, fd, fileData, lenFileData, offsetInFat, context);
+
// mmap segments
image->mapSegments(fd, offsetInFat, lenInFat, info.st_size, context);
+ // if framework is FairPlay encrypted, register with kernel
+ image->registerEncryption(encryptCmd, context);
+
// probe to see if code signed correctly
image->crashIfInvalidCodeSignature();
@@ -209,6 +221,7 @@
image->fInSharedCache = true;
image->setNeverUnload();
image->setSlide(slide);
+ image->disableCoverageCheck();
// segments already mapped in cache
if ( context.verboseMapping ) {
@@ -247,6 +260,8 @@
// for compatibility, never unload dylibs loaded from memory
image->setNeverUnload();
+ image->disableCoverageCheck();
+
// bundle loads need path copied
if ( moduleName != NULL )
image->setPath(moduleName);
@@ -297,7 +312,7 @@
void ImageLoaderMachOCompressed::instantiateFinish(const LinkContext& context)
{
// now that segments are mapped in, get real fMachOData, fLinkEditBase, and fSlide
- this->parseLoadCmds();
+ this->parseLoadCmds(context);
}
uint32_t* ImageLoaderMachOCompressed::segmentCommandOffsets() const
@@ -374,11 +389,11 @@
// round to whole pages
- start = start & (-4096);
- end = (end + 4095) & (-4096);
+ start = dyld_page_trunc(start);
+ end = dyld_page_round(end);
// do nothing if only one page of rebase/bind info
- if ( (end-start) <= 4096 )
+ if ( (end-start) <= dyld_page_size )
return;
// tell kernel about our access to these pages
@@ -433,8 +448,8 @@
int segmentIndex = 0;
uintptr_t address = segActualLoadAddress(0);
uintptr_t segmentEndAddress = segActualEndAddress(0);
- uint32_t count;
- uint32_t skip;
+ uintptr_t count;
+ uintptr_t skip;
bool done = false;
while ( !done && (p < end) ) {
uint8_t immediate = *p & REBASE_IMMEDIATE_MASK;
@@ -449,9 +464,9 @@
break;
case REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
segmentIndex = immediate;
- if ( segmentIndex > fSegmentsCount )
- dyld::throwf("REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (%d)\n",
- segmentIndex, fSegmentsCount);
+ if ( segmentIndex >= fSegmentsCount )
+ dyld::throwf("REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (0..%d)",
+ segmentIndex, fSegmentsCount-1);
address = segActualLoadAddress(segmentIndex) + read_uleb128(p, end);
segmentEndAddress = segActualEndAddress(segmentIndex);
break;
@@ -519,7 +534,7 @@
{
const uint8_t* p = start;
while ( p != NULL ) {
- uint32_t terminalSize = *p++;
+ uintptr_t terminalSize = *p++;
if ( terminalSize > 127 ) {
// except for re-export-with-rename, all terminal sizes fit in one byte
--p;
@@ -533,7 +548,7 @@
//dyld::log("trieWalk(%p) sym=%s, terminalSize=%d, children=%p\n", start, s, terminalSize, children);
uint8_t childrenRemaining = *children++;
p = children;
- uint32_t nodeOffset = 0;
+ uintptr_t nodeOffset = 0;
for (; childrenRemaining > 0; --childrenRemaining) {
const char* ss = s;
//dyld::log("trieWalk(%p) child str=%s\n", start, (char*)p);
@@ -592,16 +607,16 @@
const uint8_t* foundNodeStart = this->trieWalk(start, end, symbol);
if ( foundNodeStart != NULL ) {
const uint8_t* p = foundNodeStart;
- const uint32_t flags = read_uleb128(p, end);
+ const uintptr_t flags = read_uleb128(p, end);
// found match, return pointer to terminal part of node
if ( flags & EXPORT_SYMBOL_FLAGS_REEXPORT ) {
// re-export from another dylib, lookup there
- const uint32_t ordinal = read_uleb128(p, end);
+ const uintptr_t ordinal = read_uleb128(p, end);
const char* importedName = (char*)p;
if ( importedName[0] == '\0' )
importedName = symbol;
if ( (ordinal > 0) && (ordinal <= libraryCount()) ) {
- const ImageLoader* reexportedFrom = libImage(ordinal-1);
+ const ImageLoader* reexportedFrom = libImage((unsigned int)ordinal-1);
//dyld::log("Compressed::findExportedSymbol(), %s -> %s/%s\n", symbol, reexportedFrom->getShortName(), importedName);
return reexportedFrom->findExportedSymbol(importedName, true, foundIn);
}
@@ -638,23 +653,17 @@
if ( (exportNode < exportTrieStart) || (exportNode > exportTrieEnd) )
throw "symbol is not in trie";
//dyld::log("exportedSymbolAddress(): node=%p, nodeOffset=0x%04X in %s\n", symbol, (int)((uint8_t*)symbol - exportTrieStart), this->getShortName());
- uint32_t flags = read_uleb128(exportNode, exportTrieEnd);
+ uintptr_t flags = read_uleb128(exportNode, exportTrieEnd);
switch ( flags & EXPORT_SYMBOL_FLAGS_KIND_MASK ) {
case EXPORT_SYMBOL_FLAGS_KIND_REGULAR:
if ( runResolver && (flags & EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) ) {
// this node has a stub and resolver, run the resolver to get target address
uintptr_t stub = read_uleb128(exportNode, exportTrieEnd) + (uintptr_t)fMachOData; // skip over stub
// <rdar://problem/10657737> interposing dylibs have the stub address as their replacee
- for (std::vector<InterposeTuple>::iterator it=fgInterposingTuples.begin(); it != fgInterposingTuples.end(); it++) {
- // replace all references to 'replacee' with 'replacement'
- if ( (stub == it->replacee) && (requestor != it->replacementImage) ) {
- if ( context.verboseInterposing ) {
- dyld::log("dyld interposing: lazy replace 0x%lX with 0x%lX from %s\n",
- it->replacee, it->replacement, this->getPath());
- }
- return it->replacement;
- }
- }
+ uintptr_t interposedStub = interposedAddress(context, stub, requestor);
+ if ( interposedStub != stub )
+ return interposedStub;
+ // stub was not interposed, so run resolver
typedef uintptr_t (*ResolverProc)(void);
ResolverProc resolver = (ResolverProc)(read_uleb128(exportNode, exportTrieEnd) + (uintptr_t)fMachOData);
uintptr_t result = (*resolver)();
@@ -665,14 +674,14 @@
return read_uleb128(exportNode, exportTrieEnd) + (uintptr_t)fMachOData;
case EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL:
if ( flags & EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER )
- dyld::throwf("unsupported exported symbol kind. flags=%d at node=%p", flags, symbol);
+ dyld::throwf("unsupported exported symbol kind. flags=%lu at node=%p", flags, symbol);
return read_uleb128(exportNode, exportTrieEnd) + (uintptr_t)fMachOData;
case EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE:
if ( flags & EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER )
- dyld::throwf("unsupported exported symbol kind. flags=%d at node=%p", flags, symbol);
+ dyld::throwf("unsupported exported symbol kind. flags=%lu at node=%p", flags, symbol);
return read_uleb128(exportNode, exportTrieEnd);
default:
- dyld::throwf("unsupported exported symbol kind. flags=%d at node=%p", flags, symbol);
+ dyld::throwf("unsupported exported symbol kind. flags=%lu at node=%p", flags, symbol);
}
}
@@ -683,7 +692,7 @@
const uint8_t* exportTrieEnd = exportTrieStart + fDyldInfo->export_size;
if ( (exportNode < exportTrieStart) || (exportNode > exportTrieEnd) )
throw "symbol is not in trie";
- uint32_t flags = read_uleb128(exportNode, exportTrieEnd);
+ uintptr_t flags = read_uleb128(exportNode, exportTrieEnd);
return ( flags & EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION );
}
@@ -740,7 +749,7 @@
// definition can't be found anywhere, ok because it is weak, just return 0
return 0;
}
- throwSymbolNotFound(context, symbolName, this->getPath(), "flat namespace");
+ throwSymbolNotFound(context, symbolName, this->getPath(), "", "flat namespace");
}
@@ -758,13 +767,29 @@
return 0;
}
- // nowhere to be found
- throwSymbolNotFound(context, symbolName, this->getPath(), targetImage->getPath());
+ // nowhere to be found, check if maybe this image is too new for this OS
+ char versMismatch[256];
+ versMismatch[0] = '\0';
+ uint32_t imageMinOS = this->minOSVersion();
+ // dyld is always built for the current OS, so we can get the current OS version
+ // from the load command in dyld itself.
+ extern const mach_header __dso_handle;
+ uint32_t dyldMinOS = ImageLoaderMachO::minOSVersion(&__dso_handle);
+ if ( imageMinOS > dyldMinOS ) {
+#if __MAC_OS_X_VERSION_MIN_REQUIRED
+ const char* msg = dyld::mkstringf(" (which was built for Mac OS X %d.%d)", imageMinOS >> 16, (imageMinOS >> 8) & 0xFF);
+#else
+ const char* msg = dyld::mkstringf(" (which was built for iOS %d.%d)", imageMinOS >> 16, (imageMinOS >> 8) & 0xFF);
+#endif
+ strcpy(versMismatch, msg);
+ ::free((void*)msg);
+ }
+ throwSymbolNotFound(context, symbolName, this->getPath(), versMismatch, targetImage->getPath());
}
uintptr_t ImageLoaderMachOCompressed::resolve(const LinkContext& context, const char* symbolName,
- uint8_t symboFlags, int libraryOrdinal, const ImageLoader** targetImage,
+ uint8_t symboFlags, long libraryOrdinal, const ImageLoader** targetImage,
LastLookup* last, bool runResolver)
{
*targetImage = NULL;
@@ -792,14 +817,14 @@
*targetImage = this;
}
else if ( libraryOrdinal <= 0 ) {
- dyld::throwf("bad mach-o binary, unknown special library ordinal (%u) too big for symbol %s in %s",
+ dyld::throwf("bad mach-o binary, unknown special library ordinal (%ld) too big for symbol %s in %s",
libraryOrdinal, symbolName, this->getPath());
}
else if ( (unsigned)libraryOrdinal <= libraryCount() ) {
- *targetImage = libImage(libraryOrdinal-1);
+ *targetImage = libImage((unsigned int)libraryOrdinal-1);
}
else {
- dyld::throwf("bad mach-o binary, library ordinal (%u) too big (max %u) for symbol %s in %s",
+ dyld::throwf("bad mach-o binary, library ordinal (%ld) too big (max %u) for symbol %s in %s",
libraryOrdinal, libraryCount(), symbolName, this->getPath());
}
if ( *targetImage == NULL ) {
@@ -808,7 +833,7 @@
symbolAddress = 0;
}
else {
- dyld::throwf("can't resolve symbol %s in %s because dependent dylib #%d could not be loaded",
+ dyld::throwf("can't resolve symbol %s in %s because dependent dylib #%ld could not be loaded",
symbolName, this->getPath(), libraryOrdinal);
}
}
@@ -830,7 +855,7 @@
}
uintptr_t ImageLoaderMachOCompressed::bindAt(const LinkContext& context, uintptr_t addr, uint8_t type, const char* symbolName,
- uint8_t symboFlags, intptr_t addend, int libraryOrdinal, const char* msg,
+ uint8_t symboFlags, intptr_t addend, long libraryOrdinal, const char* msg,
LastLookup* last, bool runResolver)
{
const ImageLoader* targetImage;
@@ -915,10 +940,10 @@
uintptr_t segmentEndAddress = segActualEndAddress(0);
const char* symbolName = NULL;
uint8_t symboFlags = 0;
- int libraryOrdinal = 0;
+ long libraryOrdinal = 0;
intptr_t addend = 0;
- uint32_t count;
- uint32_t skip;
+ uintptr_t count;
+ uintptr_t skip;
LastLookup last = { 0, 0, NULL, 0, NULL };
const uint8_t* const start = fLinkEditBase + fDyldInfo->bind_off;
const uint8_t* const end = &start[fDyldInfo->bind_size];
@@ -962,9 +987,9 @@
break;
case BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
segmentIndex = immediate;
- if ( segmentIndex > fSegmentsCount )
- dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (%d)\n",
- segmentIndex, fSegmentsCount);
+ if ( segmentIndex >= fSegmentsCount )
+ dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (0..%d)",
+ segmentIndex, fSegmentsCount-1);
address = segActualLoadAddress(segmentIndex) + read_uleb128(p, end);
segmentEndAddress = segActualEndAddress(segmentIndex);
break;
@@ -1020,7 +1045,7 @@
uintptr_t segmentEndAddress = segActualEndAddress(0);
const char* symbolName = NULL;
uint8_t symboFlags = 0;
- int libraryOrdinal = 0;
+ long libraryOrdinal = 0;
intptr_t addend = 0;
const uint8_t* const start = fLinkEditBase + fDyldInfo->lazy_bind_off;
const uint8_t* const end = &start[fDyldInfo->lazy_bind_size];
@@ -1064,9 +1089,9 @@
break;
case BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
segmentIndex = immediate;
- if ( segmentIndex > fSegmentsCount )
- dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (%d)\n",
- segmentIndex, fSegmentsCount);
+ if ( segmentIndex >= fSegmentsCount )
+ dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (0..%d)",
+ segmentIndex, fSegmentsCount-1);
address = segActualLoadAddress(segmentIndex) + read_uleb128(p, end);
segmentEndAddress = segActualEndAddress(segmentIndex);
break;
@@ -1140,11 +1165,11 @@
const uint8_t type = sect->flags & SECTION_TYPE;
uint32_t symbolIndex = INDIRECT_SYMBOL_LOCAL;
if ( type == S_LAZY_SYMBOL_POINTERS ) {
- const uint32_t pointerCount = sect->size / sizeof(uintptr_t);
+ const size_t pointerCount = sect->size / sizeof(uintptr_t);
uintptr_t* const symbolPointers = (uintptr_t*)(sect->addr + fSlide);
if ( (lazyPointer >= symbolPointers) && (lazyPointer < &symbolPointers[pointerCount]) ) {
const uint32_t indirectTableOffset = sect->reserved1;
- const uint32_t lazyIndex = lazyPointer - symbolPointers;
+ const size_t lazyIndex = lazyPointer - symbolPointers;
symbolIndex = indirectTable[indirectTableOffset + lazyIndex];
}
}
@@ -1193,7 +1218,7 @@
uintptr_t address = 0;
const char* symbolName = NULL;
uint8_t symboFlags = 0;
- int libraryOrdinal = 0;
+ long libraryOrdinal = 0;
bool done = false;
uintptr_t result = 0;
const uint8_t* p = &start[lazyBindingInfoOffset];
@@ -1231,9 +1256,9 @@
type = immediate;
break;
case BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
- if ( immediate > fSegmentsCount )
- dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (%d)\n",
- immediate, fSegmentsCount);
+ if ( immediate >= fSegmentsCount )
+ dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (0..%d)",
+ immediate, fSegmentsCount-1);
address = segActualLoadAddress(immediate) + read_uleb128(p, end);
break;
case BIND_OPCODE_DO_BIND:
@@ -1289,8 +1314,8 @@
const uint8_t* start = fLinkEditBase + fDyldInfo->weak_bind_off;
const uint8_t* p = start + it.curIndex;
const uint8_t* end = fLinkEditBase + fDyldInfo->weak_bind_off + this->fDyldInfo->weak_bind_size;
- uint32_t count;
- uint32_t skip;
+ uintptr_t count;
+ uintptr_t skip;
while ( p < end ) {
uint8_t immediate = *p & BIND_IMMEDIATE_MASK;
uint8_t opcode = *p & BIND_OPCODE_MASK;
@@ -1317,9 +1342,9 @@
it.addend = read_sleb128(p, end);
break;
case BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
- if ( immediate > fSegmentsCount )
- dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (%d)\n",
- immediate, fSegmentsCount);
+ if ( immediate >= fSegmentsCount )
+ dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (0..%d)",
+ immediate, fSegmentsCount-1);
it.address = segActualLoadAddress(immediate) + read_uleb128(p, end);
break;
case BIND_OPCODE_ADD_ADDR_ULEB:
@@ -1379,8 +1404,8 @@
uintptr_t address = it.address;
const char* symbolName = it.symbolName;
intptr_t addend = it.addend;
- uint32_t count;
- uint32_t skip;
+ uintptr_t count;
+ uintptr_t skip;
bool done = false;
bool boundSomething = false;
while ( !done && (p < end) ) {
@@ -1401,9 +1426,9 @@
addend = read_sleb128(p, end);
break;
case BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
- if ( immediate > fSegmentsCount )
- dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (%d)\n",
- immediate, fSegmentsCount);
+ if ( immediate >= fSegmentsCount )
+ dyld::throwf("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB has segment %d which is too large (0..%d)",
+ immediate, fSegmentsCount-1);
address = segActualLoadAddress(immediate) + read_uleb128(p, end);
break;
case BIND_OPCODE_ADD_ADDR_ULEB:
@@ -1443,36 +1468,60 @@
}
uintptr_t ImageLoaderMachOCompressed::interposeAt(const LinkContext& context, uintptr_t addr, uint8_t type, const char*,
- uint8_t, intptr_t, int, const char*, LastLookup*, bool runResolver)
+ uint8_t, intptr_t, long, const char*, LastLookup*, bool runResolver)
+{
+ if ( type == BIND_TYPE_POINTER ) {
+ uintptr_t* fixupLocation = (uintptr_t*)addr;
+ uintptr_t curValue = *fixupLocation;
+ uintptr_t newValue = interposedAddress(context, curValue, this);
+ if ( newValue != curValue)
+ *fixupLocation = newValue;
+ }
+ return 0;
+}
+
+void ImageLoaderMachOCompressed::doInterpose(const LinkContext& context)
+{
+ if ( context.verboseInterposing )
+ dyld::log("dyld: interposing %lu tuples onto image: %s\n", fgInterposingTuples.size(), this->getPath());
+
+ // update prebound symbols
+ eachBind(context, &ImageLoaderMachOCompressed::interposeAt);
+ eachLazyBind(context, &ImageLoaderMachOCompressed::interposeAt);
+}
+
+
+uintptr_t ImageLoaderMachOCompressed::dynamicInterposeAt(const LinkContext& context, uintptr_t addr, uint8_t type, const char* symbolName,
+ uint8_t, intptr_t, long, const char*, LastLookup*, bool runResolver)
{
if ( type == BIND_TYPE_POINTER ) {
uintptr_t* fixupLocation = (uintptr_t*)addr;
uintptr_t value = *fixupLocation;
- for (std::vector<InterposeTuple>::iterator it=fgInterposingTuples.begin(); it != fgInterposingTuples.end(); it++) {
- // replace all references to 'replacee' with 'replacement'
- if ( (value == it->replacee) && (this != it->replacementImage) ) {
+ // don't apply interposing to table entries.
+ if ( (context.dynamicInterposeArray <= (void*)addr) && ((void*)addr < &context.dynamicInterposeArray[context.dynamicInterposeCount]) )
+ return 0;
+ for(size_t i=0; i < context.dynamicInterposeCount; ++i) {
+ if ( value == (uintptr_t)context.dynamicInterposeArray[i].replacee ) {
if ( context.verboseInterposing ) {
- dyld::log("dyld: interposing: at %p replace 0x%lX with 0x%lX in %s\n",
- fixupLocation, it->replacee, it->replacement, this->getPath());
+ dyld::log("dyld: dynamic interposing: at %p replace %p with %p in %s\n",
+ fixupLocation, context.dynamicInterposeArray[i].replacee, context.dynamicInterposeArray[i].replacement, this->getPath());
}
- *fixupLocation = it->replacement;
+ *fixupLocation = (uintptr_t)context.dynamicInterposeArray[i].replacement;
}
}
}
return 0;
}
-void ImageLoaderMachOCompressed::doInterpose(const LinkContext& context)
+void ImageLoaderMachOCompressed::dynamicInterpose(const LinkContext& context)
{
if ( context.verboseInterposing )
- dyld::log("dyld: interposing %lu tuples onto image: %s\n", fgInterposingTuples.size(), this->getPath());
-
- // update prebound symbols
- eachBind(context, &ImageLoaderMachOCompressed::interposeAt);
- eachLazyBind(context, &ImageLoaderMachOCompressed::interposeAt);
-}
-
-
+ dyld::log("dyld: dynamic interposing %lu tuples onto image: %s\n", context.dynamicInterposeCount, this->getPath());
+
+ // update already bound references to symbols
+ eachBind(context, &ImageLoaderMachOCompressed::dynamicInterposeAt);
+ eachLazyBind(context, &ImageLoaderMachOCompressed::dynamicInterposeAt);
+}
const char* ImageLoaderMachOCompressed::findClosestSymbol(const void* addr, const void** closestAddr) const
@@ -1658,3 +1707,32 @@
}
+void ImageLoaderMachOCompressed::registerEncryption(const encryption_info_command* encryptCmd, const LinkContext& context)
+{
+#if __arm__ || __arm64__
+ if ( encryptCmd == NULL )
+ return;
+ const mach_header* mh = NULL;
+ for(unsigned int i=0; i < fSegmentsCount; ++i) {
+ if ( (segFileOffset(i) == 0) && (segFileSize(i) != 0) ) {
+ mh = (mach_header*)segActualLoadAddress(i);
+ break;
+ }
+ }
+ void* start = ((uint8_t*)mh) + encryptCmd->cryptoff;
+ size_t len = encryptCmd->cryptsize;
+ uint32_t cputype = mh->cputype;
+ uint32_t cpusubtype = mh->cpusubtype;
+ uint32_t cryptid = encryptCmd->cryptid;
+ if (context.verboseMapping) {
+ dyld::log(" 0x%08lX->0x%08lX configured for FairPlay decryption\n", (long)start, (long)start+len);
+ }
+ int result = mremap_encrypted(start, len, cryptid, cputype, cpusubtype);
+ if ( result != 0 ) {
+ dyld::throwf("mremap_encrypted() => %d, errno=%d for %s\n", result, errno, this->getPath());
+ }
+#endif
+}
+
+
+