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--- dyld/dyld-1284.13/cache_builder/SubCache.cpp
+++ dyld/dyld-1241.17/cache_builder/SubCache.cpp
@@ -28,7 +28,6 @@
#include "Chunk.h"
#include "CodeSigningTypes.h"
#include "DyldSharedCache.h"
-#include "Header.h"
#include "SubCache.h"
#include "JSONWriter.h"
@@ -40,9 +39,6 @@
using dyld3::GradedArchs;
using dyld3::MachOFile;
-
-using mach_o::Header;
-using mach_o::Platform;
using error::Error;
@@ -363,7 +359,7 @@
return false;
}
-static bool hasReadOnlyRegion(std::span<Region> regions)
+static bool hasLinkeditRegion(std::span<Region> regions)
{
for ( const Region& region : regions ) {
if ( region.chunks.empty() )
@@ -378,33 +374,6 @@
case cache_builder::Region::Kind::authConst:
break;
case Region::Kind::readOnly:
- return true;
- case cache_builder::Region::Kind::linkedit:
- case cache_builder::Region::Kind::unmapped:
- case cache_builder::Region::Kind::dynamicConfig:
- case cache_builder::Region::Kind::codeSignature:
- case cache_builder::Region::Kind::numKinds:
- break;
- }
- }
- return false;
-}
-
-static bool hasLinkeditRegion(std::span<Region> regions)
-{
- for ( const Region& region : regions ) {
- if ( region.chunks.empty() )
- continue;
- switch ( region.kind ) {
- case cache_builder::Region::Kind::text:
- case cache_builder::Region::Kind::tproConst:
- case cache_builder::Region::Kind::tproAuthConst:
- case cache_builder::Region::Kind::dataConst:
- case cache_builder::Region::Kind::data:
- case cache_builder::Region::Kind::auth:
- case cache_builder::Region::Kind::authConst:
- case Region::Kind::readOnly:
- break;
case cache_builder::Region::Kind::linkedit:
return true;
case cache_builder::Region::Kind::unmapped:
@@ -417,39 +386,36 @@
return false;
}
-void SubCache::setSuffix(Platform platform, bool forceDevelopmentSubCacheSuffix, size_t subCacheIndex)
+void SubCache::setSuffix(dyld3::Platform platform, bool forceDevelopmentSubCacheSuffix,
+ size_t subCacheIndex)
{
assert(this->isSubCache() || this->isStubsCache());
assert(subCacheIndex > 0);
const char* dataSuffix = forceDevelopmentSubCacheSuffix ? ".development.dylddata" : ".dylddata";
const char* linkeditSuffix = forceDevelopmentSubCacheSuffix ? ".development.dyldlinkedit" : ".dyldlinkedit";
- const char* readonlySuffix = forceDevelopmentSubCacheSuffix ? ".development.dyldreadonly" : ".dyldreadonly";
const char* subCacheSuffix = forceDevelopmentSubCacheSuffix ? ".development" : "";
- if ( platform == Platform::macOS ) {
+ if ( platform == dyld3::Platform::macOS ) {
// macOS never has a .development suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex);
- } else if ( platform == Platform::driverKit ) {
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex);
+ } else if ( platform == dyld3::Platform::driverKit ) {
// driverKit never has a .development suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex);
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex);
} else if ( this->isStubsDevelopmentCache() ) {
// Dev stubs always have a suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex) + ".development";
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex) + ".development";
} else if ( this->isStubsCustomerCache() ) {
// Customer stubs never have a suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex);
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex);
} else if ( hasDataRegion(this->regions) ) {
// Data only subcaches have their own suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex) + dataSuffix;
- } else if ( hasReadOnlyRegion(this->regions) ) {
- // read-only only subcaches have their own suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex) + readonlySuffix;
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex) + dataSuffix;
} else if ( hasLinkeditRegion(this->regions) ) {
// Linkedit only subcaches have their own suffix
- this->fileSuffix = "." + json::decimal(subCacheIndex) + linkeditSuffix;
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex) + linkeditSuffix;
} else {
- this->fileSuffix = "." + json::decimal(subCacheIndex) + subCacheSuffix;
+ this->fileSuffix = "." + dyld3::json::decimal(subCacheIndex) + subCacheSuffix;
}
}
@@ -846,7 +812,7 @@
break;
case Chunk::Kind::dylibDataDirty:
// On arm64e, dataDirty goes in to auth
- if ( cacheDylib.inputHdr->isArch("arm64e") )
+ if ( cacheDylib.inputMF->isArch("arm64e") )
this->addAuthChunk(&segmentInfo);
else
this->addDataChunk(&segmentInfo);
@@ -868,6 +834,8 @@
break;
}
}
+
+ this->addLinkeditFromDylib(cacheDylib);
}
// Linkedit is stored in Chunks in its own array on the dylib. This adds it to the subCache.
@@ -1057,7 +1025,7 @@
addCodeSignatureChunk(this->codeSignature.get());
}
-void SubCache::addObjCOptsHeaderChunk(const BuilderConfig& config, ObjCOptimizer& objcOptimizer)
+void SubCache::addObjCOptsHeaderChunk(ObjCOptimizer& objcOptimizer)
{
this->objcOptsHeader = std::make_unique<ObjCOptsHeaderChunk>();
this->objcOptsHeader->cacheVMSize = CacheVMSize(objcOptimizer.optsHeaderByteSize);
@@ -1065,7 +1033,7 @@
objcOptimizer.optsHeaderChunk = this->objcOptsHeader.get();
- this->addReadOnlyChunk(config, this->objcOptsHeader.get());
+ this->addLinkeditChunk(this->objcOptsHeader.get());
}
void SubCache::addObjCHeaderInfoReadOnlyChunk(const BuilderConfig& config, ObjCOptimizer& objcOptimizer)
@@ -1180,7 +1148,7 @@
addObjCReadWriteChunk(config, this->objcCanonicalProtocols.get());
}
-void SubCache::addObjCIMPCachesChunk(const BuilderConfig& config, ObjCIMPCachesOptimizer& objcIMPCachesOptimizer)
+void SubCache::addObjCIMPCachesChunk(ObjCIMPCachesOptimizer& objcIMPCachesOptimizer)
{
this->objcIMPCaches = std::make_unique<ObjCIMPCachesChunk>();
this->objcIMPCaches->cacheVMSize = CacheVMSize(objcIMPCachesOptimizer.impCachesTotalByteSize);
@@ -1188,7 +1156,7 @@
objcIMPCachesOptimizer.impCachesChunk = this->objcIMPCaches.get();
- this->addReadOnlyChunk(config, this->objcIMPCaches.get());
+ this->addLinkeditChunk(this->objcIMPCaches.get());
}
void SubCache::addObjCCategoriesChunk(const BuilderConfig& config,
@@ -1229,17 +1197,6 @@
this->addLinkeditChunk(this->patchTable.get());
}
-void SubCache::addFunctionVariantsChunk(FunctionVariantsOptimizer& optimizer)
-{
- this->functionVariants = std::make_unique<FunctionVariantsPatchTableChunk>();
- this->functionVariants->cacheVMSize = CacheVMSize(optimizer.fvInfoTotalByteSize);
- this->functionVariants->subCacheFileSize = CacheFileSize(optimizer.fvInfoTotalByteSize);
-
- optimizer.chunk = this->functionVariants.get();
-
- this->addLinkeditChunk(this->functionVariants.get());
-}
-
void SubCache::addCacheDylibsLoaderChunk(PrebuiltLoaderBuilder& builder)
{
// We can't compute the size yet.
@@ -1279,21 +1236,7 @@
this->addLinkeditChunk(this->executablesTrie.get());
}
-void SubCache::addPrewarmingDataChunk(const BuilderConfig& config, PrewarmingOptimizer& opt)
-{
- if ( opt.prewarmingByteSize == 0 )
- return;
-
- this->prewarmingChunk = std::make_unique<PrewarmingChunk>(Chunk::Kind::prewarmingData);
- this->prewarmingChunk->cacheVMSize = CacheVMSize(opt.prewarmingByteSize);
- this->prewarmingChunk->subCacheFileSize = CacheFileSize(opt.prewarmingByteSize);
-
- opt.prewarmingChunk = this->prewarmingChunk.get();
-
- this->addReadOnlyChunk(config, this->prewarmingChunk.get());
-}
-
-void SubCache::addSwiftOptsHeaderChunk(const BuilderConfig& config, SwiftOptimizer& opt)
+void SubCache::addSwiftOptsHeaderChunk(SwiftProtocolConformanceOptimizer& opt)
{
this->swiftOptsHeader = std::make_unique<SwiftOptsHeaderChunk>();
this->swiftOptsHeader->cacheVMSize = CacheVMSize(opt.optsHeaderByteSize);
@@ -1301,10 +1244,10 @@
opt.optsHeaderChunk = this->swiftOptsHeader.get();
- this->addReadOnlyChunk(config, this->swiftOptsHeader.get());
-}
-
-void SubCache::addSwiftTypeHashTableChunk(const BuilderConfig& config, SwiftOptimizer& opt)
+ this->addLinkeditChunk(this->swiftOptsHeader.get());
+}
+
+void SubCache::addSwiftTypeHashTableChunk(SwiftProtocolConformanceOptimizer& opt)
{
this->swiftTypeHashTable = std::make_unique<SwiftProtocolConformancesHashTableChunk>();
this->swiftTypeHashTable->cacheVMSize = CacheVMSize(opt.typeConformancesHashTableSize);
@@ -1312,10 +1255,10 @@
opt.typeConformancesHashTable = this->swiftTypeHashTable.get();
- this->addReadOnlyChunk(config, this->swiftTypeHashTable.get());
-}
-
-void SubCache::addSwiftMetadataHashTableChunk(const BuilderConfig& config, SwiftOptimizer& opt)
+ this->addLinkeditChunk(this->swiftTypeHashTable.get());
+}
+
+void SubCache::addSwiftMetadataHashTableChunk(SwiftProtocolConformanceOptimizer& opt)
{
this->swiftMetadataHashTable = std::make_unique<SwiftProtocolConformancesHashTableChunk>();
this->swiftMetadataHashTable->cacheVMSize = CacheVMSize(opt.metadataConformancesHashTableSize);
@@ -1323,10 +1266,10 @@
opt.metadataConformancesHashTable = this->swiftMetadataHashTable.get();
- this->addReadOnlyChunk(config, this->swiftMetadataHashTable.get());
-}
-
-void SubCache::addSwiftForeignHashTableChunk(const BuilderConfig& config, SwiftOptimizer& opt)
+ this->addLinkeditChunk(this->swiftMetadataHashTable.get());
+}
+
+void SubCache::addSwiftForeignHashTableChunk(SwiftProtocolConformanceOptimizer& opt)
{
this->swiftForeignTypeHashTable = std::make_unique<SwiftProtocolConformancesHashTableChunk>();
this->swiftForeignTypeHashTable->cacheVMSize = CacheVMSize(opt.foreignTypeConformancesHashTableSize);
@@ -1334,10 +1277,10 @@
opt.foreignTypeConformancesHashTable = this->swiftForeignTypeHashTable.get();
- this->addReadOnlyChunk(config, this->swiftForeignTypeHashTable.get());
-}
-
-void SubCache::addSwiftPrespecializedMetadataPointerTableChunks(const BuilderConfig& config, SwiftOptimizer& opt)
+ this->addLinkeditChunk(this->swiftForeignTypeHashTable.get());
+}
+
+void SubCache::addSwiftPrespecializedMetadataPointerTableChunks(SwiftProtocolConformanceOptimizer& opt)
{
for ( PointerHashTableOptimizerInfo& tableInfo : opt.prespecializedMetadataHashTables ) {
PointerHashTableChunk* chunk = this->pointerHashTables.emplace_back(std::make_unique<PointerHashTableChunk>()).get();
@@ -1345,7 +1288,7 @@
chunk->subCacheFileSize = CacheFileSize(tableInfo.size);
tableInfo.chunk = chunk;
- this->addReadOnlyChunk(config, chunk);
+ this->addLinkeditChunk(chunk);
}
}
@@ -1596,14 +1539,12 @@
dyldCacheHeader->progClosuresSize = 0; // no longer used
dyldCacheHeader->progClosuresTrieAddr = 0; // no longer used
dyldCacheHeader->progClosuresTrieSize = 0; // no longer used
- dyldCacheHeader->platform = options.platform.value();
+ dyldCacheHeader->platform = (uint8_t)options.platform;
dyldCacheHeader->formatVersion = 0; //dyld3::closure::kFormatVersion;
dyldCacheHeader->dylibsExpectedOnDisk = !options.dylibsRemovedFromDisk;
dyldCacheHeader->simulator = options.isSimulator();
dyldCacheHeader->locallyBuiltCache = options.isLocallyBuiltCache;
dyldCacheHeader->builtFromChainedFixups = false; // no longer used
- dyldCacheHeader->newFormatTLVs = true;
- dyldCacheHeader->padding = 0;
dyldCacheHeader->sharedRegionStart = this->subCacheVMAddress.rawValue();
dyldCacheHeader->sharedRegionSize = 0;
dyldCacheHeader->maxSlide = 0; // overwritten later in build if the cache supports ASLR
@@ -1642,8 +1583,6 @@
dyldCacheHeader->dynamicDataMaxSize = 0; // set later only on the main cache file
dyldCacheHeader->tproMappingsOffset = 0; // set later only on the main cache file
dyldCacheHeader->tproMappingsCount = 0; // set later only on the main cache file
- dyldCacheHeader->prewarmingDataOffset = 0; // set later only on the main cache file
- dyldCacheHeader->prewarmingDataSize = 0; // set later only on the main cache file
// Fill in old mappings
// And new mappings which also have slide info
@@ -1660,11 +1599,9 @@
CacheVMAddress dyldInCacheEntryUnslidAddr,
const DylibTrieOptimizer& dylibTrieOptimizer,
const ObjCOptimizer& objcOptimizer,
- const SwiftOptimizer& swiftOpt,
+ const SwiftProtocolConformanceOptimizer& swiftProtocolConformanceOpt,
const PatchTableOptimizer& patchTableOptimizer,
- const FunctionVariantsOptimizer& functionVariantOptimizer,
- const PrebuiltLoaderBuilder& prebuiltLoaderBuilder,
- const PrewarmingOptimizer& prewarmingOptimizer)
+ const PrebuiltLoaderBuilder& prebuiltLoaderBuilder)
{
const CacheVMAddress cacheBaseAddress = config.layout.cacheBaseAddress;
@@ -1677,13 +1614,13 @@
dyldCacheHeader->dylibsTrieAddr = dylibTrieOptimizer.dylibsTrieChunk->cacheVMAddress.rawValue();
dyldCacheHeader->dylibsTrieSize = dylibTrieOptimizer.dylibsTrieChunk->subCacheFileSize.rawValue();
- // Disable objc optimizations from EK shared cache
- bool emitObjcOpts = !options.platform.isExclaveKit();
- if ( !objcOptimizer.objcDylibs.empty() && emitObjcOpts ) {
+ if ( !objcOptimizer.objcDylibs.empty() ) {
dyldCacheHeader->objcOptsOffset = (objcOptimizer.optsHeaderChunk->cacheVMAddress - cacheBaseAddress).rawValue();
dyldCacheHeader->objcOptsSize = objcOptimizer.optsHeaderChunk->subCacheFileSize.rawValue();
-
- const auto& opt = swiftOpt;
+ }
+
+ if ( !objcOptimizer.objcDylibs.empty() ) {
+ const auto& opt = swiftProtocolConformanceOpt;
dyldCacheHeader->swiftOptsOffset = (opt.optsHeaderChunk->cacheVMAddress - cacheBaseAddress).rawValue();
dyldCacheHeader->swiftOptsSize = opt.optsHeaderChunk->subCacheFileSize.rawValue();
}
@@ -1710,9 +1647,6 @@
// TODO: Build the atlas
dyldCacheHeader->cacheAtlasOffset = 0; // set later only on the main cache file
dyldCacheHeader->cacheAtlasSize = 0; // set later only on the main cache file
-
- dyldCacheHeader->functionVariantInfoAddr = functionVariantOptimizer.chunk->cacheVMAddress.rawValue();
- dyldCacheHeader->functionVariantInfoSize = functionVariantOptimizer.fvInfoTotalByteSize;
// The main cache has offsets to all the caches
if ( !this->subCaches.empty() ) {
@@ -1752,11 +1686,6 @@
++index;
});
}
-
- if ( prewarmingOptimizer.prewarmingChunk != nullptr ) {
- dyldCacheHeader->prewarmingDataOffset = (prewarmingOptimizer.prewarmingChunk->cacheVMAddress - cacheBaseAddress).rawValue();
- dyldCacheHeader->prewarmingDataSize = prewarmingOptimizer.prewarmingChunk->subCacheFileSize.rawValue();
- }
}
void SubCache::addSymbolsCacheHeaderInfo(const UnmappedSymbolsOptimizer& optimizer)
@@ -1809,7 +1738,7 @@
// write text image array and image names pool at same time
for ( const CacheDylib& cacheDylib : cacheDylibs ) {
- cacheDylib.inputHdr->getUuid(textImages->uuid);
+ cacheDylib.inputMF->getUuid(textImages->uuid);
textImages->loadAddress = cacheDylib.cacheLoadAddress.rawValue();
textImages->textSegmentSize = (uint32_t)cacheDylib.segments.front().cacheVMSize.rawValue();
textImages->pathOffset = stringOffset;