fDeadStripDylibs(false), fAllowTextRelocs(false), fWarnTextRelocs(false),
fUsingLazyDylibLinking(false), fEncryptable(true),
fOrderData(true), fMarkDeadStrippableDylib(false),
- fMakeClassicDyldInfo(true), fMakeCompressedDyldInfo(true), fAllowCpuSubtypeMismatches(false), fSaveTempFiles(false)
+ fMakeClassicDyldInfo(true), fMakeCompressedDyldInfo(true), fAllowCpuSubtypeMismatches(false),
+ fUseSimplifiedDylibReExports(false), fSaveTempFiles(false)
{
this->checkForClassic(argc, argv);
this->parsePreCommandLineEnvironmentSettings();
{
if ( version == NULL )
throw "-iphoneos_version_min argument missing";
-
- if ( strncmp(version, "1.", 2) == 0 ) {
- warning("pre-2.0 iPhone OS version not supported");
+ if ( ! isdigit(version[0]) )
+ throw "-iphoneos_version_min argument is not a number";
+ if ( version[1] != '.' )
+ throw "-iphoneos_version_min argument is missing period as second character";
+ if ( ! isdigit(version[2]) )
+ throw "-iphoneos_version_min argument is not a number";
+
+ if ( (version[0] == '2') && (version[2] == '0') )
fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_0;
- }
- else if ( strncmp(version, "2.", 2) == 0 ) {
- int num = version[2] - '0';
- switch ( num ) {
- case 0:
- fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_0;
- break;
- case 1:
- fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_1;
- break;
- case 2:
- fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_2;
- break;
- default:
- fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_2;
- break;
- }
- }
- else if ( strncmp(version, "3.", 2) == 0 ) {
- int num = version[2] - '0';
- switch ( num ) {
- case 0:
- fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k3_0;
- break;
- default:
- fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k3_0;
- break;
- }
- }
+ else if ( (version[0] == '2') && (version[2] == '1') )
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_1;
+ else if ( (version[0] == '2') && (version[2] >= '2') )
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_2;
+ else if ( (version[0] == '3') && (version[2] == '0') )
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k3_0;
+ else if ( (version[0] == '3') && (version[2] == '1') )
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k3_1;
+ else if ( (version[0] == '3') && (version[2] >= '2') )
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k3_2;
+ else if ( (version[0] >= '4') )
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k4_0;
else {
- warning("unknown option to -iphoneos_version_min, not 2.x or 3.x");
+ fReaderOptions.fIPhoneVersionMin = ObjectFile::ReaderOptions::k2_0;
+ warning("unknown option to -iphoneos_version_min, not 2.x, 3.x, or 4.x");
}
}
frameworkPaths.reserve(10);
// scan through argv looking for -L, -F, -Z, and -syslibroot options
for(int i=0; i < argc; ++i) {
- if ( (argv[i][0] == '-') && (argv[i][1] == 'L') )
- libraryPaths.push_back(&argv[i][2]);
- else if ( (argv[i][0] == '-') && (argv[i][1] == 'F') )
- frameworkPaths.push_back(&argv[i][2]);
+ if ( (argv[i][0] == '-') && (argv[i][1] == 'L') ) {
+ const char* libSearchDir = &argv[i][2];
+ if ( libSearchDir[0] == '\0' )
+ throw "-L must be immediately followed by a directory path (no space)";
+ struct stat statbuf;
+ if ( stat(libSearchDir, &statbuf) == 0 ) {
+ if ( statbuf.st_mode & S_IFDIR )
+ libraryPaths.push_back(libSearchDir);
+ else
+ warning("path '%s' following -L not a directory", libSearchDir);
+ }
+ else {
+ warning("directory '%s' following -L not found", libSearchDir);
+ }
+ }
+ else if ( (argv[i][0] == '-') && (argv[i][1] == 'F') ) {
+ const char* frameworkSearchDir = &argv[i][2];
+ if ( frameworkSearchDir[0] == '\0' )
+ throw "-F must be immediately followed by a directory path (no space)";
+ struct stat statbuf;
+ if ( stat(frameworkSearchDir, &statbuf) == 0 ) {
+ if ( statbuf.st_mode & S_IFDIR )
+ frameworkPaths.push_back(frameworkSearchDir);
+ else
+ warning("path '%s' following -F not a directory", frameworkSearchDir);
+ }
+ else {
+ warning("directory '%s' following -F not found", frameworkSearchDir);
+ }
+ }
else if ( strcmp(argv[i], "-Z") == 0 )
addStandardLibraryDirectories = false;
else if ( strcmp(argv[i], "-v") == 0 ) {
// determine if info for shared region should be added
if ( fOutputKind == Options::kDynamicLibrary ) {
- if ( minOS(ObjectFile::ReaderOptions::k10_5, ObjectFile::ReaderOptions::k3_0) )
+ if ( minOS(ObjectFile::ReaderOptions::k10_5, ObjectFile::ReaderOptions::k3_1) )
if ( !fPrebind )
if ( (strncmp(this->installPath(), "/usr/lib/", 9) == 0)
|| (strncmp(this->installPath(), "/System/Library/", 16) == 0) )
break;
}
- // only use compressed LINKEDIT for x86_64 and i386
+ // only use compressed LINKEDIT for:
+ // x86_64 and i386 on Mac OS X 10.6 or later
+ // arm on iPhoneOS 3.1 or later
if ( fMakeCompressedDyldInfo ) {
switch (fArchitecture) {
case CPU_TYPE_I386:
else if ( fReaderOptions.fMacVersionMin < ObjectFile::ReaderOptions::k10_5 )
fMakeCompressedDyldInfo = false;
break;
- case CPU_TYPE_POWERPC:
case CPU_TYPE_ARM:
+ if ( fReaderOptions.fIPhoneVersionMin >= ObjectFile::ReaderOptions::k3_1 )
+ fMakeClassicDyldInfo = false;
+ else if ( fReaderOptions.fIPhoneVersionMin < ObjectFile::ReaderOptions::k3_1 )
+ fMakeCompressedDyldInfo = false;
+ break;
+ case CPU_TYPE_POWERPC:
case CPU_TYPE_POWERPC64:
default:
fMakeCompressedDyldInfo = false;
}
}
+
// only use compressed LINKEDIT for final linked images
if ( fMakeCompressedDyldInfo ) {
// only final linked images can not optimize zero fill sections
if ( fOutputKind == Options::kObjectFile )
fReaderOptions.fOptimizeZeroFill = true;
-
+
+ // only dynamic final linked images should warn about use of commmons
+ if ( fWarnCommons ) {
+ switch ( fOutputKind ) {
+ case Options::kDynamicExecutable:
+ case Options::kDynamicLibrary:
+ case Options::kDynamicBundle:
+ break;
+ case Options::kPreload:
+ case Options::kStaticExecutable:
+ case Options::kObjectFile:
+ case Options::kDyld:
+ case Options::kKextBundle:
+ fWarnCommons = false;
+ break;
+ }
+ }
+
+ // Mac OS X 10.5 and iPhoneOS 2.0 support LC_REEXPORT_DYLIB
+ if ( minOS(ObjectFile::ReaderOptions::k10_5, ObjectFile::ReaderOptions::k2_0) )
+ fUseSimplifiedDylibReExports = true;
}
void Options::checkIllegalOptionCombinations()
warning("custom stack placement overlaps and will disable shared region");
break;
case CPU_TYPE_ARM:
- if ( fStackSize > 0xFFFFFFFF )
- throw "-stack_size must be < 4G for 32-bit processes";
+ if ( fStackSize > 0x2F000000 )
+ throw "-stack_size must be < 752MB";
if ( fStackAddr == 0 )
- fStackAddr = 0x30000000;
- if ( fStackAddr > 0x40000000)
- throw "-stack_addr must be < 1G for arm";
+ fStackAddr = 0x2F000000;
+ if ( fStackAddr > 0x30000000)
+ throw "-stack_addr must be < 0x30000000 for arm";
case CPU_TYPE_POWERPC64:
case CPU_TYPE_X86_64:
if ( fStackAddr == 0 ) {
if ( fZeroPageSize != ULLONG_MAX ) {
for (std::vector<SegmentStart>::iterator it = fCustomSegmentAddresses.begin(); it != fCustomSegmentAddresses.end(); ++it) {
if ( (it->address >= 0) && (it->address < fZeroPageSize) )
- throwf("-segaddr %s 0x%X conflicts with -pagezero_size", it->name, it->address);
+ throwf("-segaddr %s 0x%llX conflicts with -pagezero_size", it->name, it->address);
}
}
// verify no duplicates
void Options::gotoClassicLinker(int argc, const char* argv[])
{
argv[0] = "ld_classic";
+ char rawPath[PATH_MAX];
char path[PATH_MAX];
uint32_t bufSize = PATH_MAX;
- if ( _NSGetExecutablePath(path, &bufSize) != -1 ) {
- char* lastSlash = strrchr(path, '/');
- if ( lastSlash != NULL ) {
- strcpy(lastSlash+1, "ld_classic");
- execvp(path, (char**)argv);
+ if ( _NSGetExecutablePath(rawPath, &bufSize) != -1 ) {
+ if ( realpath(rawPath, path) != NULL ) {
+ char* lastSlash = strrchr(path, '/');
+ if ( lastSlash != NULL ) {
+ strcpy(lastSlash+1, "ld_classic");
+ argv[0] = path;
+ execvp(path, (char**)argv);
+ }
}
}
// in case of error in above, try searching for ld_classic via PATH
projects / apple / ld64.git / blobdiff