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--- dyld/dyld-239.4/launch-cache/dyld_shared_cache_util.cpp
+++ dyld/dyld-360.19/launch-cache/dyld_shared_cache_util.cpp
@@ -33,15 +33,16 @@
#include <sys/syslimits.h>
#include <mach-o/arch.h>
#include <mach-o/loader.h>
+#include <mach/mach.h>
#include <map>
+#include <vector>
#include "dsc_iterator.h"
#include "dyld_cache_format.h"
#include "Architectures.hpp"
#include "MachOFileAbstraction.hpp"
#include "CacheFileAbstraction.hpp"
-
enum Mode {
modeNone,
@@ -50,7 +51,8 @@
modeDependencies,
modeSlideInfo,
modeLinkEdit,
- modeInfo
+ modeInfo,
+ modeSize
};
struct Options {
@@ -60,21 +62,47 @@
bool printUUIDs;
bool printVMAddrs;
bool printDylibVersions;
+ bool printInodes;
+};
+
+struct TextInfo {
+ uint64_t textSize;
+ const char* path;
+};
+
+struct TextInfoSorter {
+ bool operator()(const TextInfo& left, const TextInfo& right) {
+ return (left.textSize > right.textSize);
+ }
};
struct Results {
std::map<uint32_t, const char*> pageToContent;
uint64_t linkeditBase;
bool dependentTargetFound;
+ std::vector<TextInfo> textSegments;
};
-
-
void usage() {
fprintf(stderr, "Usage: dyld_shared_cache_util -list [ -uuid ] [-vmaddr] | -dependents <dylib-path> [ -versions ] | -linkedit | -map [ shared-cache-file ] | -slide_info | -info\n");
}
+
+#if __x86_64__
+static bool isHaswell()
+{
+ // check system is capable of running x86_64h code
+ struct host_basic_info info;
+ mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+ mach_port_t hostPort = mach_host_self();
+ kern_return_t result = host_info(hostPort, HOST_BASIC_INFO, (host_info_t)&info, &count);
+ mach_port_deallocate(mach_task_self(), hostPort);
+ if ( result != KERN_SUCCESS )
+ return false;
+ return ( info.cpu_subtype == CPU_SUBTYPE_X86_64_H );
+}
+#endif
/*
* Get the path to the native shared cache for this host
@@ -83,19 +111,24 @@
#if __i386__
return MACOSX_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "i386";
#elif __x86_64__
- return MACOSX_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "x86_64";
+ if ( isHaswell() )
+ return MACOSX_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "x86_64h";
+ else
+ return MACOSX_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "x86_64";
#elif __ARM_ARCH_5TEJ__
return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv5";
#elif __ARM_ARCH_6K__
return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv6";
+#elif __ARM_ARCH_7K__
+ return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv7k";
#elif __ARM_ARCH_7A__
return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv7";
#elif __ARM_ARCH_7F__
return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv7f";
#elif __ARM_ARCH_7S__
return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv7s";
-#elif __ARM_ARCH_7K__
- return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "armv7k";
+#elif __arm64__
+ return IPHONE_DYLD_SHARED_CACHE_DIR DYLD_SHARED_CACHE_BASE_NAME "arm64";
#else
#error unsupported architecture
#endif
@@ -173,6 +206,8 @@
if ( options.printVMAddrs )
printf("0x%08llX ", segInfo->address);
+ if ( options.printInodes )
+ printf("0x%08llX 0x%08llX ", dylibInfo->inode, dylibInfo->modTime);
if ( options.printUUIDs ) {
if ( dylibInfo->uuid != NULL ) {
const uint8_t* uuid = (uint8_t*)dylibInfo->uuid;;
@@ -189,6 +224,23 @@
printf("[alias] %s\n", dylibInfo->path);
else
printf("%s\n", dylibInfo->path);
+}
+
+
+template <typename A>
+void collect_size(const dyld_shared_cache_dylib_info* dylibInfo, const dyld_shared_cache_segment_info* segInfo,
+ const Options& options, Results& results)
+{
+ if ( strcmp(segInfo->name, "__TEXT") != 0 )
+ return;
+ if ( dylibInfo->isAlias )
+ return;
+
+ TextInfo info;
+ info.textSize = segInfo->fileSize;
+ info.path = dylibInfo->path;
+ results.textSegments.push_back(info);
+ size_t size = segInfo->fileSize;
}
@@ -279,7 +331,7 @@
static void checkMode(Mode mode) {
if ( mode != modeNone ) {
- fprintf(stderr, "Error: select one of: -list, -dependents, -info, -slide_info, -linkedit, or -map\n");
+ fprintf(stderr, "Error: select one of: -list, -dependents, -info, -slide_info, -linkedit, -map, or -size\n");
usage();
exit(1);
}
@@ -294,6 +346,7 @@
options.printUUIDs = false;
options.printVMAddrs = false;
options.printDylibVersions = false;
+ options.printInodes = false;
options.dependentsOfPath = NULL;
for (uint32_t i = 1; i < argc; i++) {
@@ -329,8 +382,15 @@
checkMode(options.mode);
options.mode = modeMap;
}
+ else if (strcmp(opt, "-size") == 0) {
+ checkMode(options.mode);
+ options.mode = modeSize;
+ }
else if (strcmp(opt, "-uuid") == 0) {
options.printUUIDs = true;
+ }
+ else if (strcmp(opt, "-inode") == 0) {
+ options.printInodes = true;
}
else if (strcmp(opt, "-versions") == 0) {
options.printDylibVersions = true;
@@ -430,11 +490,16 @@
const dyldCacheFileMapping<LittleEndian>* mappings = (dyldCacheFileMapping<LittleEndian>*)((char*)options.mappedCache + header->mappingOffset());
for (uint32_t i=0; i < header->mappingCount(); ++i) {
if ( mappings[i].init_prot() & VM_PROT_EXECUTE )
- printf(" __TEXT %lluMB\n", mappings[i].size()/(1024*1024));
+ printf(" __TEXT %3lluMB, 0x%08llX -> 0x%08llX\n", mappings[i].size()/(1024*1024), mappings[i].address(), mappings[i].address() + mappings[i].size());
else if ( mappings[i]. init_prot() & VM_PROT_WRITE )
- printf(" __DATA %lluMB\n", mappings[i].size()/(1024*1024));
+ printf(" __DATA %3lluMB, 0x%08llX -> 0x%08llX\n", mappings[i].size()/(1024*1024), mappings[i].address(), mappings[i].address() + mappings[i].size());
else if ( mappings[i].init_prot() & VM_PROT_READ )
- printf(" __LINKEDIT %lluMB\n", mappings[i].size()/(1024*1024));
+ printf(" __LINKEDIT %3lluMB, 0x%08llX -> 0x%08llX\n", mappings[i].size()/(1024*1024), mappings[i].address(), mappings[i].address() + mappings[i].size());
+ }
+ if ( header->codeSignatureOffset() != 0 ) {
+ uint64_t size = statbuf.st_size - header->codeSignatureOffset();
+ uint64_t csAddr = mappings[header->mappingCount()-1].address() + mappings[header->mappingCount()-1].size();
+ printf(" code sign %3lluMB, 0x%08llX -> 0x%08llX\n", size/(1024*1024), csAddr, csAddr + size);
}
}
else {
@@ -453,13 +518,17 @@
case modeLinkEdit:
callback = process_linkedit<x86>;
break;
+ case modeSize:
+ callback = collect_size<x86>;
+ break;
case modeNone:
case modeInfo:
case modeSlideInfo:
break;
}
}
- else if ( strcmp((char*)options.mappedCache, "dyld_v1 x86_64") == 0 ) {
+ else if ( (strcmp((char*)options.mappedCache, "dyld_v1 x86_64") == 0)
+ || (strcmp((char*)options.mappedCache, "dyld_v1 x86_64h") == 0) ) {
switch ( options.mode ) {
case modeList:
callback = print_list<x86_64>;
@@ -472,6 +541,9 @@
break;
case modeLinkEdit:
callback = process_linkedit<x86_64>;
+ break;
+ case modeSize:
+ callback = collect_size<x86_64>;
break;
case modeNone:
case modeInfo:
@@ -494,6 +566,32 @@
case modeLinkEdit:
callback = process_linkedit<arm>;
break;
+ case modeSize:
+ callback = collect_size<arm>;
+ break;
+ case modeNone:
+ case modeInfo:
+ case modeSlideInfo:
+ break;
+ }
+ }
+ else if ( strcmp((char*)options.mappedCache, "dyld_v1 arm64") == 0 ) {
+ switch ( options.mode ) {
+ case modeList:
+ callback = print_list<arm64>;
+ break;
+ case modeMap:
+ callback = print_map<arm64>;
+ break;
+ case modeDependencies:
+ callback = print_dependencies<arm64>;
+ break;
+ case modeLinkEdit:
+ callback = process_linkedit<arm64>;
+ break;
+ case modeSize:
+ callback = collect_size<arm64>;
+ break;
case modeNone:
case modeInfo:
case modeSlideInfo:
@@ -504,10 +602,10 @@
fprintf(stderr, "Error: unrecognized dyld shared cache magic.\n");
exit(1);
}
-
+
__block Results results;
results.dependentTargetFound = false;
- int iterateResult = dyld_shared_cache_iterate(options.mappedCache, statbuf.st_size,
+ int iterateResult = dyld_shared_cache_iterate(options.mappedCache, (uint32_t)statbuf.st_size,
^(const dyld_shared_cache_dylib_info* dylibInfo, const dyld_shared_cache_segment_info* segInfo ) {
(callback)(dylibInfo, segInfo, options, results);
});
@@ -522,6 +620,12 @@
printf("0x%08X %s\n", it->first, it->second);
}
}
+ else if ( options.mode == modeSize ) {
+ std::sort(results.textSegments.begin(), results.textSegments.end(), TextInfoSorter());
+ for (std::vector<TextInfo>::iterator it = results.textSegments.begin(); it != results.textSegments.end(); ++it) {
+ printf(" 0x%08llX %s\n", it->textSize, it->path);
+ }
+ }
if ( (options.mode == modeDependencies) && options.dependentsOfPath && !results.dependentTargetFound) {
fprintf(stderr, "Error: could not find '%s' in the shared cache at\n %s\n", options.dependentsOfPath, sharedCachePath);