diff options
Diffstat (limited to 'src')
33 files changed, 3496 insertions, 190 deletions
diff --git a/src/common/common.gyp b/src/common/common.gyp index 6ccd21a2..5a666de6 100644 --- a/src/common/common.gyp +++ b/src/common/common.gyp @@ -120,7 +120,7 @@ 'mac/bootstrap_compat.h', 'mac/byteswap.h', 'mac/dump_syms.h', - 'mac/dump_syms.mm', + 'mac/dump_syms.cc', 'mac/file_id.cc', 'mac/file_id.h', 'mac/GTMDefines.h', diff --git a/src/common/mac/arch_utilities.cc b/src/common/mac/arch_utilities.cc index 94e3be3b..bfafc0d9 100644 --- a/src/common/mac/arch_utilities.cc +++ b/src/common/mac/arch_utilities.cc @@ -30,27 +30,20 @@ #include "common/mac/arch_utilities.h" #include <mach-o/arch.h> +#include <mach-o/fat.h> #include <stdio.h> #include <string.h> -#ifndef CPU_TYPE_ARM -#define CPU_TYPE_ARM (static_cast<cpu_type_t>(12)) -#endif // CPU_TYPE_ARM - -#ifndef CPU_SUBTYPE_ARM_V7 -#define CPU_SUBTYPE_ARM_V7 (static_cast<cpu_subtype_t>(9)) -#endif // CPU_SUBTYPE_ARM_V7 - #ifndef CPU_SUBTYPE_ARM_V7S #define CPU_SUBTYPE_ARM_V7S (static_cast<cpu_subtype_t>(11)) #endif // CPU_SUBTYPE_ARM_V7S #ifndef CPU_TYPE_ARM64 -#define CPU_TYPE_ARM64 (static_cast<cpu_type_t>(16777228)) +#define CPU_TYPE_ARM64 (CPU_TYPE_ARM | CPU_ARCH_ABI64) #endif // CPU_TYPE_ARM64 #ifndef CPU_SUBTYPE_ARM64_ALL -#define CPU_SUBTYPE_ARM64_ALL (static_cast<cpu_type_t>(0)) +#define CPU_SUBTYPE_ARM64_ALL (static_cast<cpu_subtype_t>(0)) #endif // CPU_SUBTYPE_ARM64_ALL namespace { @@ -111,3 +104,108 @@ const NXArchInfo* BreakpadGetArchInfoFromCpuType(cpu_type_t cpu_type, } } // namespace google_breakpad + +#ifndef __APPLE__ +namespace { + +enum Architecture { + kArch_i386 = 0, + kArch_x86_64, + kArch_arm, + kArch_arm64, + kArch_ppc, + // This must be last. + kNumArchitectures +}; + +// enum Architecture above and kKnownArchitectures below +// must be kept in sync. +const NXArchInfo kKnownArchitectures[] = { + { + "i386", + CPU_TYPE_I386, + CPU_SUBTYPE_I386_ALL, + NX_LittleEndian, + "Intel 80x86" + }, + { + "x86_64", + CPU_TYPE_X86_64, + CPU_SUBTYPE_X86_64_ALL, + NX_LittleEndian, + "Intel x86-64" + }, + { + "arm", + CPU_TYPE_ARM, + CPU_SUBTYPE_ARM_ALL, + NX_LittleEndian, + "ARM" + }, + { + "arm64", + CPU_TYPE_ARM64, + CPU_SUBTYPE_ARM64_ALL, + NX_LittleEndian, + "ARM64" + }, + { + "ppc", + CPU_TYPE_POWERPC, + CPU_SUBTYPE_POWERPC_ALL, + NX_BigEndian, + "PowerPC" + } +}; + +} // namespace + +const NXArchInfo *NXGetLocalArchInfo(void) { + Architecture arch; +#if defined(__i386__) + arch = kArch_i386; +#elif defined(__x86_64__) + arch = kArch_x86_64; +#elif defined(__arm64) + arch = kArch_arm64; +#elif defined(__arm__) + arch = kArch_arm; +#elif defined(__powerpc__) + arch = kArch_ppc; +#else + #error "Unsupported CPU architecture" +#endif + return &kKnownArchitectures[arch]; +} + +const NXArchInfo *NXGetArchInfoFromName(const char *name) { + for (int arch = 0; arch < kNumArchitectures; ++arch) { + if (strcmp(name, kKnownArchitectures[arch].name)) { + return &kKnownArchitectures[arch]; + } + } + return NULL; +} + +const NXArchInfo *NXGetArchInfoFromCpuType(cpu_type_t cputype, + cpu_subtype_t cpusubtype) { + for (int arch = 0; arch < kNumArchitectures; ++arch) { + if (kKnownArchitectures[arch].cputype == cputype) { + return &kKnownArchitectures[arch]; + } + } + return NULL; +} + +struct fat_arch *NXFindBestFatArch(cpu_type_t cputype, + cpu_subtype_t cpusubtype, + struct fat_arch *fat_archs, + uint32_t nfat_archs) { + for (uint32_t f = 0; f < nfat_archs; ++f) { + if (fat_archs[f].cputype == cputype) { + return &fat_archs[f]; + } + } + return NULL; +} +#endif // !__APPLE__ diff --git a/src/common/mac/byteswap.h b/src/common/mac/byteswap.h index a5d745b3..b7bbc0b9 100644 --- a/src/common/mac/byteswap.h +++ b/src/common/mac/byteswap.h @@ -36,6 +36,7 @@ #ifndef COMMON_MAC_BYTESWAP_H_ #define COMMON_MAC_BYTESWAP_H_ +#ifdef __APPLE__ #include <libkern/OSByteOrder.h> static inline uint16_t ByteSwap(uint16_t v) { return OSSwapInt16(v); } @@ -45,4 +46,28 @@ static inline int16_t ByteSwap(int16_t v) { return OSSwapInt16(v); } static inline int32_t ByteSwap(int32_t v) { return OSSwapInt32(v); } static inline int64_t ByteSwap(int64_t v) { return OSSwapInt64(v); } +#elif defined(__linux__) +// For NXByteOrder +#include <architecture/byte_order.h> +#include <stdint.h> +#include <endian.h> +#include_next <byteswap.h> + +static inline uint16_t ByteSwap(uint16_t v) { return bswap_16(v); } +static inline uint32_t ByteSwap(uint32_t v) { return bswap_32(v); } +static inline uint64_t ByteSwap(uint64_t v) { return bswap_64(v); } +static inline int16_t ByteSwap(int16_t v) { return bswap_16(v); } +static inline int32_t ByteSwap(int32_t v) { return bswap_32(v); } +static inline int64_t ByteSwap(int64_t v) { return bswap_64(v); } + +static inline NXByteOrder NXHostByteOrder() { +#ifdef __LITTLE_ENDIAN + return NX_LittleEndian; +#else + return NX_BigEndian; +#endif +} + +#endif // __APPLE__ + #endif // COMMON_MAC_BYTESWAP_H_ diff --git a/src/common/mac/dump_syms.mm b/src/common/mac/dump_syms.cc index 58cf4c20..4dcdb73e 100644 --- a/src/common/mac/dump_syms.mm +++ b/src/common/mac/dump_syms.cc @@ -36,10 +36,15 @@ #include "common/mac/dump_syms.h" #include <assert.h> -#include <Foundation/Foundation.h> +#include <dirent.h> +#include <errno.h> +#include <libgen.h> #include <mach-o/arch.h> #include <mach-o/fat.h> #include <stdio.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> #include <ostream> #include <string> @@ -83,89 +88,105 @@ using std::pair; using std::string; using std::vector; +namespace { +// Return a vector<string> with absolute paths to all the entries +// in directory (excluding . and ..). +vector<string> list_directory(const string& directory) { + vector<string> entries; + DIR* dir = opendir(directory.c_str()); + if (!dir) { + return entries; + } + + string path = directory; + if (path[path.length() - 1] != '/') { + path += '/'; + } + + struct dirent* entry = NULL; + while ((entry = readdir(dir))) { + if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) { + entries.push_back(path + entry->d_name); + } + } + + closedir(dir); + return entries; +} +} + namespace google_breakpad { -bool DumpSymbols::Read(NSString *filename) { - if (![[NSFileManager defaultManager] fileExistsAtPath:filename]) { - fprintf(stderr, "Object file does not exist: %s\n", - [filename fileSystemRepresentation]); +bool DumpSymbols::Read(const string &filename) { + struct stat st; + if (stat(filename.c_str(), &st) == -1) { + fprintf(stderr, "Could not access object file %s: %s\n", + filename.c_str(), strerror(errno)); return false; } - input_pathname_ = [filename retain]; + input_pathname_ = filename; // Does this filename refer to a dSYM bundle? - NSBundle *bundle = [NSBundle bundleWithPath:input_pathname_]; - - if (bundle) { - // Filenames referring to bundles usually have names of the form - // "<basename>.dSYM"; however, if the user has specified a wrapper - // suffix (the WRAPPER_SUFFIX and WRAPPER_EXTENSION build settings), - // then the name may have the form "<basename>.<extension>.dSYM". In - // either case, the resource name for the file containing the DWARF - // info within the bundle is <basename>. - // - // Since there's no way to tell how much to strip off, remove one - // extension at a time, and use the first one that - // pathForResource:ofType:inDirectory likes. - NSString *base_name = [input_pathname_ lastPathComponent]; - NSString *dwarf_resource; - - do { - NSString *new_base_name = [base_name stringByDeletingPathExtension]; - - // If stringByDeletingPathExtension returned the name unchanged, then - // there's nothing more for us to strip off --- lose. - if ([new_base_name isEqualToString:base_name]) { - fprintf(stderr, "Unable to find DWARF-bearing file in bundle: %s\n", - [input_pathname_ fileSystemRepresentation]); - return false; - } - - // Take the shortened result as our new base_name. - base_name = new_base_name; - - // Try to find a DWARF resource in the bundle under the new base_name. - dwarf_resource = [bundle pathForResource:base_name - ofType:nil inDirectory:@"DWARF"]; - } while (!dwarf_resource); + string contents_path = input_pathname_ + "/Contents/Resources/DWARF"; + if (S_ISDIR(st.st_mode) && + access(contents_path.c_str(), F_OK) == 0) { + // If there's one file under Contents/Resources/DWARF then use that, + // otherwise bail out. + const vector<string> entries = list_directory(contents_path); + if (entries.size() == 0) { + fprintf(stderr, "Unable to find DWARF-bearing file in bundle: %s\n", + input_pathname_.c_str()); + return false; + } + if (entries.size() > 1) { + fprintf(stderr, "Too many DWARF files in bundle: %s\n", + input_pathname_.c_str()); + return false; + } - object_filename_ = [dwarf_resource retain]; + object_filename_ = entries[0]; } else { - object_filename_ = [input_pathname_ retain]; + object_filename_ = input_pathname_; } // Read the file's contents into memory. - // - // The documentation for dataWithContentsOfMappedFile says: - // - // Because of file mapping restrictions, this method should only be - // used if the file is guaranteed to exist for the duration of the - // data object’s existence. It is generally safer to use the - // dataWithContentsOfFile: method. - // - // I gather this means that OS X doesn't have (or at least, that method - // doesn't use) a form of mapping like Linux's MAP_PRIVATE, where the - // process appears to get its own copy of the data, and changes to the - // file don't affect memory and vice versa). - NSError *error; - contents_ = [NSData dataWithContentsOfFile:object_filename_ - options:0 - error:&error]; - if (!contents_) { + bool read_ok = true; + string error; + if (stat(object_filename_.c_str(), &st) != -1) { + FILE* f = fopen(object_filename_.c_str(), "rb"); + if (f) { + contents_.reset(new uint8_t[st.st_size]); + off_t total = 0; + while (total < st.st_size && !feof(f)) { + size_t read = fread(&contents_[0] + total, 1, st.st_size - total, f); + if (read == 0) { + if (ferror(f)) { + read_ok = false; + error = strerror(errno); + } + break; + } + total += read; + } + fclose(f); + } else { + error = strerror(errno); + } + } + + if (!read_ok) { fprintf(stderr, "Error reading object file: %s: %s\n", - [object_filename_ fileSystemRepresentation], - [[error localizedDescription] UTF8String]); + object_filename_.c_str(), + error.c_str()); return false; } - [contents_ retain]; // Get the list of object files present in the file. - FatReader::Reporter fat_reporter([object_filename_ - fileSystemRepresentation]); + FatReader::Reporter fat_reporter(object_filename_); FatReader fat_reader(&fat_reporter); - if (!fat_reader.Read(reinterpret_cast<const uint8_t *>([contents_ bytes]), - [contents_ length])) { + if (!fat_reader.Read(&contents_[0], + st.st_size)) { return false; } @@ -175,7 +196,7 @@ bool DumpSymbols::Read(NSString *filename) { fat_reader.object_files(&object_files_count); if (object_files_count == 0) { fprintf(stderr, "Fat binary file contains *no* architectures: %s\n", - [object_filename_ fileSystemRepresentation]); + object_filename_.c_str()); return false; } object_files_.resize(object_files_count); @@ -243,7 +264,8 @@ SuperFatArch* DumpSymbols::FindBestMatchForArchitecture( for (vector<SuperFatArch>::iterator it = object_files_.begin(); it != object_files_.end(); ++it) { - if (it->cputype == cpu_type && it->cpusubtype == cpu_subtype) + if (static_cast<cpu_type_t>(it->cputype) == cpu_type && + static_cast<cpu_subtype_t>(it->cpusubtype) == cpu_subtype) return &*it; } @@ -258,13 +280,13 @@ SuperFatArch* DumpSymbols::FindBestMatchForArchitecture( } string DumpSymbols::Identifier() { - FileID file_id([object_filename_ fileSystemRepresentation]); + FileID file_id(object_filename_.c_str()); unsigned char identifier_bytes[16]; cpu_type_t cpu_type = selected_object_file_->cputype; cpu_subtype_t cpu_subtype = selected_object_file_->cpusubtype; if (!file_id.MachoIdentifier(cpu_type, cpu_subtype, identifier_bytes)) { fprintf(stderr, "Unable to calculate UUID of mach-o binary %s!\n", - [object_filename_ fileSystemRepresentation]); + object_filename_.c_str()); return ""; } @@ -526,7 +548,7 @@ bool DumpSymbols::ReadSymbolData(Module** out_module) { " architecture, none of which match the current" " architecture; specify an architecture explicitly" " with '-a ARCH' to resolve the ambiguity\n", - [object_filename_ fileSystemRepresentation]); + object_filename_.c_str()); return false; } } @@ -546,14 +568,15 @@ bool DumpSymbols::ReadSymbolData(Module** out_module) { // Produce a name to use in error messages that includes the // filename, and the architecture, if there is more than one. - selected_object_name_ = [object_filename_ UTF8String]; + selected_object_name_ = object_filename_; if (object_files_.size() > 1) { selected_object_name_ += ", architecture "; selected_object_name_ + selected_arch_name; } // Compute a module name, to appear in the MODULE record. - NSString *module_name = [object_filename_ lastPathComponent]; + string module_name = object_filename_; + module_name = basename(&module_name[0]); // Choose an identifier string, to appear in the MODULE record. string identifier = Identifier(); @@ -562,7 +585,7 @@ bool DumpSymbols::ReadSymbolData(Module** out_module) { identifier += "0"; // Create a module to hold the debugging information. - scoped_ptr<Module> module(new Module([module_name UTF8String], + scoped_ptr<Module> module(new Module(module_name, "mac", selected_arch_name, identifier)); @@ -570,7 +593,7 @@ bool DumpSymbols::ReadSymbolData(Module** out_module) { // Parse the selected object file. mach_o::Reader::Reporter reporter(selected_object_name_); mach_o::Reader reader(&reporter); - if (!reader.Read(reinterpret_cast<const uint8_t *>([contents_ bytes]) + if (!reader.Read(&contents_[0] + selected_object_file_->offset, selected_object_file_->size, selected_object_file_->cputype, diff --git a/src/common/mac/dump_syms.h b/src/common/mac/dump_syms.h index babed701..b09928c9 100644 --- a/src/common/mac/dump_syms.h +++ b/src/common/mac/dump_syms.h @@ -35,7 +35,6 @@ // reading debugging information from Mach-O files and writing it out as a // Breakpad symbol file. -#include <Foundation/Foundation.h> #include <mach-o/loader.h> #include <stdio.h> #include <stdlib.h> @@ -48,6 +47,7 @@ #include "common/mac/macho_reader.h" #include "common/mac/super_fat_arch.h" #include "common/module.h" +#include "common/scoped_ptr.h" #include "common/symbol_data.h" namespace google_breakpad { @@ -64,20 +64,13 @@ class DumpSymbols { selected_object_file_(), selected_object_name_() { } ~DumpSymbols() { - [input_pathname_ release]; - [object_filename_ release]; - [contents_ release]; } // Prepare to read debugging information from |filename|. |filename| may be // the name of a universal binary, a Mach-O file, or a dSYM bundle // containing either of the above. On success, return true; if there is a // problem reading |filename|, report it and return false. - // - // (This class uses NSString for filenames and related values, - // because the Mac Foundation framework seems to support - // filename-related operations more fully on NSString values.) - bool Read(NSString *filename); + bool Read(const std::string &filename); // If this dumper's file includes an object file for |cpu_type| and // |cpu_subtype|, then select that object file for dumping, and return @@ -163,16 +156,16 @@ class DumpSymbols { // The name of the file or bundle whose symbols this will dump. // This is the path given to Read, for use in error messages. - NSString *input_pathname_; + std::string input_pathname_; // The name of the file this DumpSymbols will actually read debugging // information from. Normally, this is the same as input_pathname_, but if // filename refers to a dSYM bundle, then this is the resource file // within that bundle. - NSString *object_filename_; + std::string object_filename_; // The complete contents of object_filename_, mapped into memory. - NSData *contents_; + scoped_array<uint8_t> contents_; // A vector of SuperFatArch structures describing the object files // object_filename_ contains. If object_filename_ refers to a fat binary, diff --git a/src/common/mac/file_id.cc b/src/common/mac/file_id.cc index c5d7ed56..4661d5d6 100644 --- a/src/common/mac/file_id.cc +++ b/src/common/mac/file_id.cc @@ -34,6 +34,7 @@ // Author: Dan Waylonis #include <fcntl.h> +#include <stdio.h> #include <string.h> #include <unistd.h> @@ -45,7 +46,7 @@ using MacFileUtilities::MachoID; namespace google_breakpad { FileID::FileID(const char *path) { - strlcpy(path_, path, sizeof(path_)); + snprintf(path_, sizeof(path_), "%s", path); } bool FileID::FileIdentifier(unsigned char identifier[16]) { diff --git a/src/common/mac/macho_id.cc b/src/common/mac/macho_id.cc index 09a2a82e..c396ad88 100644 --- a/src/common/mac/macho_id.cc +++ b/src/common/mac/macho_id.cc @@ -33,17 +33,15 @@ // // Author: Dan Waylonis -extern "C" { // necessary for Leopard - #include <fcntl.h> - #include <mach-o/loader.h> - #include <mach-o/swap.h> - #include <stdio.h> - #include <stdlib.h> - #include <string.h> - #include <sys/time.h> - #include <sys/types.h> - #include <unistd.h> -} + +#include <fcntl.h> +#include <mach-o/loader.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> #include "common/mac/macho_id.h" #include "common/mac/macho_walker.h" @@ -61,7 +59,7 @@ MachoID::MachoID(const char *path) crc_(0), md5_context_(), update_function_(NULL) { - strlcpy(path_, path, sizeof(path_)); + snprintf(path_, sizeof(path_), "%s", path); } MachoID::MachoID(const char *path, void *memory, size_t size) @@ -70,7 +68,7 @@ MachoID::MachoID(const char *path, void *memory, size_t size) crc_(0), md5_context_(), update_function_(NULL) { - strlcpy(path_, path, sizeof(path_)); + snprintf(path_, sizeof(path_), "%s", path); } MachoID::~MachoID() { @@ -261,7 +259,7 @@ bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, return false; if (swap) - swap_segment_command(&seg, NXHostByteOrder()); + breakpad_swap_segment_command(&seg); struct mach_header_64 header; off_t header_offset; @@ -278,7 +276,7 @@ bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, return false; if (swap) - swap_section(&sec, 1, NXHostByteOrder()); + breakpad_swap_section(&sec, 1); // sections of type S_ZEROFILL are "virtual" and contain no data // in the file itself @@ -294,7 +292,7 @@ bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, return false; if (swap) - breakpad_swap_segment_command_64(&seg64, NXHostByteOrder()); + breakpad_swap_segment_command_64(&seg64); struct mach_header_64 header; off_t header_offset; @@ -311,7 +309,7 @@ bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, return false; if (swap) - breakpad_swap_section_64(&sec64, 1, NXHostByteOrder()); + breakpad_swap_section_64(&sec64, 1); // sections of type S_ZEROFILL are "virtual" and contain no data // in the file itself @@ -340,7 +338,7 @@ bool MachoID::UUIDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, return false; if (swap) - breakpad_swap_uuid_command(uuid_cmd, NXHostByteOrder()); + breakpad_swap_uuid_command(uuid_cmd); return false; } @@ -359,7 +357,7 @@ bool MachoID::IDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset, return false; if (swap) - swap_dylib_command(dylib_cmd, NXHostByteOrder()); + breakpad_swap_dylib_command(dylib_cmd); return false; } diff --git a/src/common/mac/macho_reader_unittest.cc b/src/common/mac/macho_reader_unittest.cc index 9bc6d25a..8ceab14b 100644 --- a/src/common/mac/macho_reader_unittest.cc +++ b/src/common/mac/macho_reader_unittest.cc @@ -196,7 +196,7 @@ struct FatReaderFixture { FatReaderFixture() : fat(kBigEndian), reporter("reporter filename"), - reader(&reporter), object_files(), object_files_size() { + reader(&reporter), object_files() { EXPECT_CALL(reporter, BadHeader()).Times(0); EXPECT_CALL(reporter, TooShort()).Times(0); @@ -224,7 +224,12 @@ struct FatReaderFixture { fat_bytes = reinterpret_cast<const uint8_t *>(contents.data()); if (expect_parse_success) { EXPECT_TRUE(reader.Read(fat_bytes, contents.size())); - object_files = reader.object_files(&object_files_size); + size_t fat_files_count; + const SuperFatArch* fat_files = reader.object_files(&fat_files_count); + object_files.resize(fat_files_count); + for (size_t i = 0; i < fat_files_count; ++i) { + EXPECT_TRUE(fat_files[i].ConvertToFatArch(&object_files[i])); + } } else EXPECT_FALSE(reader.Read(fat_bytes, contents.size())); @@ -234,8 +239,7 @@ struct FatReaderFixture { FatReader reader; string contents; const uint8_t *fat_bytes; - const struct fat_arch *object_files; - size_t object_files_size; + vector<struct fat_arch> object_files; }; class FatReaderTest: public FatReaderFixture, public Test { }; @@ -289,7 +293,7 @@ TEST_F(FatReaderTest, NoObjectFiles) { .B32(0xcafebabe) // magic number .B32(0); // number of architectures ReadFat(); - EXPECT_EQ(0U, object_files_size); + EXPECT_EQ(0U, object_files.size()); } TEST_F(FatReaderTest, OneObjectFile) { @@ -304,7 +308,7 @@ TEST_F(FatReaderTest, OneObjectFile) { .Mark(&obj1_offset) .Append(0x42, '*'); // dummy contents ReadFat(); - ASSERT_EQ(1U, object_files_size); + ASSERT_EQ(1U, object_files.size()); EXPECT_EQ(0x5e3a6e91, object_files[0].cputype); EXPECT_EQ(0x52ccd852, object_files[0].cpusubtype); EXPECT_EQ(obj1_offset.Value(), object_files[0].offset); @@ -334,7 +338,7 @@ TEST_F(FatReaderTest, ThreeObjectFiles) { ReadFat(); - ASSERT_EQ(3U, object_files_size); + ASSERT_EQ(3U, object_files.size()); // First object file. EXPECT_EQ(0x0cb92c30, object_files[0].cputype); @@ -373,7 +377,7 @@ TEST_F(FatReaderTest, BigEndianMachO32) { // FatReader should treat a Mach-O file as if it were a fat binary file // containing one object file --- the whole thing. - ASSERT_EQ(1U, object_files_size); + ASSERT_EQ(1U, object_files.size()); EXPECT_EQ(0x1a9d0518, object_files[0].cputype); EXPECT_EQ(0x1b779357, object_files[0].cpusubtype); EXPECT_EQ(0U, object_files[0].offset); @@ -395,7 +399,7 @@ TEST_F(FatReaderTest, BigEndianMachO64) { // FatReader should treat a Mach-O file as if it were a fat binary file // containing one object file --- the whole thing. - ASSERT_EQ(1U, object_files_size); + ASSERT_EQ(1U, object_files.size()); EXPECT_EQ(0x5aff8487, object_files[0].cputype); EXPECT_EQ(0x4c6a57f7, object_files[0].cpusubtype); EXPECT_EQ(0U, object_files[0].offset); @@ -417,7 +421,7 @@ TEST_F(FatReaderTest, LittleEndianMachO32) { // FatReader should treat a Mach-O file as if it were a fat binary file // containing one object file --- the whole thing. - ASSERT_EQ(1U, object_files_size); + ASSERT_EQ(1U, object_files.size()); EXPECT_EQ(0x1a9d0518, object_files[0].cputype); EXPECT_EQ(0x1b779357, object_files[0].cpusubtype); EXPECT_EQ(0U, object_files[0].offset); @@ -439,7 +443,7 @@ TEST_F(FatReaderTest, LittleEndianMachO64) { // FatReader should treat a Mach-O file as if it were a fat binary file // containing one object file --- the whole thing. - ASSERT_EQ(1U, object_files_size); + ASSERT_EQ(1U, object_files.size()); EXPECT_EQ(0x5aff8487, object_files[0].cputype); EXPECT_EQ(0x4c6a57f7, object_files[0].cpusubtype); EXPECT_EQ(0U, object_files[0].offset); diff --git a/src/common/mac/macho_utilities.cc b/src/common/mac/macho_utilities.cc index 89f9e775..f56fe768 100644 --- a/src/common/mac/macho_utilities.cc +++ b/src/common/mac/macho_utilities.cc @@ -34,16 +34,44 @@ #include "common/mac/byteswap.h" #include "common/mac/macho_utilities.h" -void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc, - enum NXByteOrder target_byte_order) -{ +#include <mach-o/fat.h> +#include <mach-o/loader.h> + +void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc) { uc->cmd = ByteSwap(uc->cmd); uc->cmdsize = ByteSwap(uc->cmdsize); } -void breakpad_swap_segment_command_64(struct segment_command_64 *sg, - enum NXByteOrder target_byte_order) -{ +void breakpad_swap_load_command(struct load_command *lc) { + lc->cmd = ByteSwap(lc->cmd); + lc->cmdsize = ByteSwap(lc->cmdsize); +} + +void breakpad_swap_dylib_command(struct dylib_command *dc) { + dc->cmd = ByteSwap(dc->cmd); + dc->cmdsize = ByteSwap(dc->cmdsize); + + dc->dylib.name.offset = ByteSwap(dc->dylib.name.offset); + dc->dylib.timestamp = ByteSwap(dc->dylib.timestamp); + dc->dylib.current_version = ByteSwap(dc->dylib.current_version); + dc->dylib.compatibility_version = ByteSwap(dc->dylib.compatibility_version); +} + +void breakpad_swap_segment_command(struct segment_command *sc) { + sc->cmd = ByteSwap(sc->cmd); + sc->cmdsize = ByteSwap(sc->cmdsize); + + sc->vmaddr = ByteSwap(sc->vmaddr); + sc->vmsize = ByteSwap(sc->vmsize); + sc->fileoff = ByteSwap(sc->fileoff); + sc->filesize = ByteSwap(sc->filesize); + sc->maxprot = ByteSwap(sc->maxprot); + sc->initprot = ByteSwap(sc->initprot); + sc->nsects = ByteSwap(sc->nsects); + sc->flags = ByteSwap(sc->flags); +} + +void breakpad_swap_segment_command_64(struct segment_command_64 *sg) { sg->cmd = ByteSwap(sg->cmd); sg->cmdsize = ByteSwap(sg->cmdsize); @@ -58,9 +86,32 @@ void breakpad_swap_segment_command_64(struct segment_command_64 *sg, sg->flags = ByteSwap(sg->flags); } -void breakpad_swap_mach_header_64(struct mach_header_64 *mh, - enum NXByteOrder target_byte_order) -{ +void breakpad_swap_fat_header(struct fat_header *fh) { + fh->magic = ByteSwap(fh->magic); + fh->nfat_arch = ByteSwap(fh->nfat_arch); +} + +void breakpad_swap_fat_arch(struct fat_arch *fa, uint32_t narchs) { + for (uint32_t i = 0; i < narchs; ++i) { + fa[i].cputype = ByteSwap(fa[i].cputype); + fa[i].cpusubtype = ByteSwap(fa[i].cpusubtype); + fa[i].offset = ByteSwap(fa[i].offset); + fa[i].size = ByteSwap(fa[i].size); + fa[i].align = ByteSwap(fa[i].align); + } +} + +void breakpad_swap_mach_header(struct mach_header *mh) { + mh->magic = ByteSwap(mh->magic); + mh->cputype = ByteSwap(mh->cputype); + mh->cpusubtype = ByteSwap(mh->cpusubtype); + mh->filetype = ByteSwap(mh->filetype); + mh->ncmds = ByteSwap(mh->ncmds); + mh->sizeofcmds = ByteSwap(mh->sizeofcmds); + mh->flags = ByteSwap(mh->flags); +} + +void breakpad_swap_mach_header_64(struct mach_header_64 *mh) { mh->magic = ByteSwap(mh->magic); mh->cputype = ByteSwap(mh->cputype); mh->cpusubtype = ByteSwap(mh->cpusubtype); @@ -71,10 +122,24 @@ void breakpad_swap_mach_header_64(struct mach_header_64 *mh, mh->reserved = ByteSwap(mh->reserved); } +void breakpad_swap_section(struct section *s, + uint32_t nsects) { + for (uint32_t i = 0; i < nsects; i++) { + s[i].addr = ByteSwap(s[i].addr); + s[i].size = ByteSwap(s[i].size); + + s[i].offset = ByteSwap(s[i].offset); + s[i].align = ByteSwap(s[i].align); + s[i].reloff = ByteSwap(s[i].reloff); + s[i].nreloc = ByteSwap(s[i].nreloc); + s[i].flags = ByteSwap(s[i].flags); + s[i].reserved1 = ByteSwap(s[i].reserved1); + s[i].reserved2 = ByteSwap(s[i].reserved2); + } +} + void breakpad_swap_section_64(struct section_64 *s, - uint32_t nsects, - enum NXByteOrder target_byte_order) -{ + uint32_t nsects) { for (uint32_t i = 0; i < nsects; i++) { s[i].addr = ByteSwap(s[i].addr); s[i].size = ByteSwap(s[i].size); diff --git a/src/common/mac/macho_utilities.h b/src/common/mac/macho_utilities.h index a200c0f7..00563a77 100644 --- a/src/common/mac/macho_utilities.h +++ b/src/common/mac/macho_utilities.h @@ -62,23 +62,34 @@ struct breakpad_uuid_command { uint8_t uuid[16]; /* the 128-bit uuid */ }; -void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc, - enum NXByteOrder target_byte_order); +void breakpad_swap_uuid_command(struct breakpad_uuid_command *uc); + +void breakpad_swap_load_command(struct load_command *lc); + +void breakpad_swap_dylib_command(struct dylib_command *dc); // Older SDKs defines thread_state_data_t as an int[] instead // of the natural_t[] it should be. typedef natural_t breakpad_thread_state_data_t[THREAD_STATE_MAX]; +void breakpad_swap_segment_command(struct segment_command *sc); + // The 64-bit swap routines were added during the 10.4 series, their // presence isn't guaranteed. -void breakpad_swap_segment_command_64(struct segment_command_64 *sg, - enum NXByteOrder target_byte_order); +void breakpad_swap_segment_command_64(struct segment_command_64 *sg); + +void breakpad_swap_fat_header(struct fat_header *fh); + +void breakpad_swap_fat_arch(struct fat_arch *fa, uint32_t narchs); + +void breakpad_swap_mach_header(struct mach_header *mh); + +void breakpad_swap_mach_header_64(struct mach_header_64 *mh); -void breakpad_swap_mach_header_64(struct mach_header_64 *mh, - enum NXByteOrder target_byte_order); +void breakpad_swap_section(struct section *s, + uint32_t nsects); void breakpad_swap_section_64(struct section_64 *s, - uint32_t nsects, - enum NXByteOrder target_byte_order); + uint32_t nsects); #endif diff --git a/src/common/mac/macho_walker.cc b/src/common/mac/macho_walker.cc index eee27d64..1acd8665 100644 --- a/src/common/mac/macho_walker.cc +++ b/src/common/mac/macho_walker.cc @@ -33,15 +33,13 @@ // // Author: Dan Waylonis -extern "C" { // necessary for Leopard - #include <assert.h> - #include <fcntl.h> - #include <mach-o/arch.h> - #include <mach-o/loader.h> - #include <mach-o/swap.h> - #include <string.h> - #include <unistd.h> -} +#include <assert.h> +#include <fcntl.h> +#include <mach-o/arch.h> +#include <mach-o/fat.h> +#include <mach-o/loader.h> +#include <string.h> +#include <unistd.h> #include "common/mac/byteswap.h" #include "common/mac/macho_walker.h" @@ -156,7 +154,7 @@ bool MachoWalker::FindHeader(cpu_type_t cpu_type, return false; if (magic == MH_CIGAM || magic == MH_CIGAM_64) - swap_mach_header(&header, NXHostByteOrder()); + breakpad_swap_mach_header(&header); if (cpu_type != header.cputype || (cpu_subtype != CPU_SUBTYPE_MULTIPLE && @@ -174,7 +172,7 @@ bool MachoWalker::FindHeader(cpu_type_t cpu_type, return false; if (NXHostByteOrder() != NX_BigEndian) - swap_fat_header(&fat, NXHostByteOrder()); + breakpad_swap_fat_header(&fat); offset += sizeof(fat); @@ -185,7 +183,7 @@ bool MachoWalker::FindHeader(cpu_type_t cpu_type, return false; if (NXHostByteOrder() != NX_BigEndian) - swap_fat_arch(&arch, 1, NXHostByteOrder()); + breakpad_swap_fat_arch(&arch, 1); if (arch.cputype == cpu_type && (cpu_subtype == CPU_SUBTYPE_MULTIPLE || @@ -208,7 +206,7 @@ bool MachoWalker::WalkHeaderAtOffset(off_t offset) { bool swap = (header.magic == MH_CIGAM); if (swap) - swap_mach_header(&header, NXHostByteOrder()); + breakpad_swap_mach_header(&header); // Copy the data into the mach_header_64 structure. Since the 32-bit and // 64-bit only differ in the last field (reserved), this is safe to do. @@ -234,7 +232,7 @@ bool MachoWalker::WalkHeader64AtOffset(off_t offset) { bool swap = (header.magic == MH_CIGAM_64); if (swap) - breakpad_swap_mach_header_64(&header, NXHostByteOrder()); + breakpad_swap_mach_header_64(&header); current_header_ = &header; current_header_size_ = sizeof(header); @@ -255,7 +253,7 @@ bool MachoWalker::WalkHeaderCore(off_t offset, uint32_t number_of_commands, return false; if (swap) - swap_load_command(&cmd, NXHostByteOrder()); + breakpad_swap_load_command(&cmd); // Call the user callback if (callback_ && !callback_(this, &cmd, offset, swap, callback_context_)) diff --git a/src/common/stabs_reader.h b/src/common/stabs_reader.h index d89afc00..98ee2dd5 100644 --- a/src/common/stabs_reader.h +++ b/src/common/stabs_reader.h @@ -53,11 +53,10 @@ #include <config.h> #endif -#ifdef HAVE_A_OUT_H -#include <a.out.h> -#endif #ifdef HAVE_MACH_O_NLIST_H #include <mach-o/nlist.h> +#elif defined(HAVE_A_OUT_H) +#include <a.out.h> #endif #include <string> diff --git a/src/third_party/mac_headers/README b/src/third_party/mac_headers/README new file mode 100644 index 00000000..c681bb3d --- /dev/null +++ b/src/third_party/mac_headers/README @@ -0,0 +1,2 @@ +These headers were copied from the Mac OS X 10.7 SDK to enable building +the Mac dump_syms code that processes Mach-O files on Linux. diff --git a/src/third_party/mac_headers/architecture/byte_order.h b/src/third_party/mac_headers/architecture/byte_order.h new file mode 100644 index 00000000..b772d9f3 --- /dev/null +++ b/src/third_party/mac_headers/architecture/byte_order.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 1999-2008 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +/* + * Copyright (c) 1992 NeXT Computer, Inc. + * + * Byte ordering conversion. + * + */ +/* This file mostly left blank */ + +#ifndef _ARCHITECTURE_BYTE_ORDER_H_ +#define _ARCHITECTURE_BYTE_ORDER_H_ + +/* + * Identify the byte order + * of the current host. + */ + +enum NXByteOrder { + NX_UnknownByteOrder, + NX_LittleEndian, + NX_BigEndian +}; + +#endif /* _ARCHITECTURE_BYTE_ORDER_H_ */ diff --git a/src/third_party/mac_headers/i386/_types.h b/src/third_party/mac_headers/i386/_types.h new file mode 100644 index 00000000..2ed7fd67 --- /dev/null +++ b/src/third_party/mac_headers/i386/_types.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +#ifndef _BSD_I386__TYPES_H_ +#define _BSD_I386__TYPES_H_ + +typedef long __darwin_intptr_t; +typedef unsigned int __darwin_natural_t; + +#endif /* _BSD_I386__TYPES_H_ */ diff --git a/src/third_party/mac_headers/mach-o/arch.h b/src/third_party/mac_headers/mach-o/arch.h new file mode 100644 index 00000000..526c10fc --- /dev/null +++ b/src/third_party/mac_headers/mach-o/arch.h @@ -0,0 +1,105 @@ +/* + * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +#ifndef _MACH_O_ARCH_H_ +#define _MACH_O_ARCH_H_ +/* + * Copyright (c) 1997 Apple Computer, Inc. + * + * Functions that deal with information about architectures. + * + */ + +#include <stdint.h> +#include <mach/machine.h> +#include <architecture/byte_order.h> + +/* The NXArchInfo structs contain the architectures symbolic name + * (such as "ppc"), its CPU type and CPU subtype as defined in + * mach/machine.h, the byte order for the architecture, and a + * describing string (such as "PowerPC"). + * There will both be entries for specific CPUs (such as ppc604e) as + * well as generic "family" entries (such as ppc). + */ +typedef struct { + const char *name; + cpu_type_t cputype; + cpu_subtype_t cpusubtype; + enum NXByteOrder byteorder; + const char *description; +} NXArchInfo; + +#if __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* NXGetAllArchInfos() returns a pointer to an array of all known + * NXArchInfo structures. The last NXArchInfo is marked by a NULL name. + */ +extern const NXArchInfo *NXGetAllArchInfos(void); + +/* NXGetLocalArchInfo() returns the NXArchInfo for the local host, or NULL + * if none is known. + */ +extern const NXArchInfo *NXGetLocalArchInfo(void); + +/* NXGetArchInfoFromName() and NXGetArchInfoFromCpuType() return the + * NXArchInfo from the architecture's name or cputype/cpusubtype + * combination. A cpusubtype of CPU_SUBTYPE_MULTIPLE can be used + * to request the most general NXArchInfo known for the given cputype. + * NULL is returned if no matching NXArchInfo can be found. + */ +extern const NXArchInfo *NXGetArchInfoFromName(const char *name); +extern const NXArchInfo *NXGetArchInfoFromCpuType(cpu_type_t cputype, + cpu_subtype_t cpusubtype); + +/* NXFindBestFatArch() is passed a cputype and cpusubtype and a set of + * fat_arch structs and selects the best one that matches (if any) and returns + * a pointer to that fat_arch struct (or NULL). The fat_arch structs must be + * in the host byte order and correct such that the fat_archs really points to + * enough memory for nfat_arch structs. It is possible that this routine could + * fail if new cputypes or cpusubtypes are added and an old version of this + * routine is used. But if there is an exact match between the cputype and + * cpusubtype and one of the fat_arch structs this routine will always succeed. + */ +extern struct fat_arch *NXFindBestFatArch(cpu_type_t cputype, + cpu_subtype_t cpusubtype, + struct fat_arch *fat_archs, + uint32_t nfat_archs); + +/* NXCombineCpuSubtypes() returns the resulting cpusubtype when combining two + * different cpusubtypes for the specified cputype. If the two cpusubtypes + * can't be combined (the specific subtypes are mutually exclusive) -1 is + * returned indicating it is an error to combine them. This can also fail and + * return -1 if new cputypes or cpusubtypes are added and an old version of + * this routine is used. But if the cpusubtypes are the same they can always + * be combined and this routine will return the cpusubtype pass in. + */ +extern cpu_subtype_t NXCombineCpuSubtypes(cpu_type_t cputype, + cpu_subtype_t cpusubtype1, + cpu_subtype_t cpusubtype2); + +#if __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _MACH_O_ARCH_H_ */ diff --git a/src/third_party/mac_headers/mach-o/fat.h b/src/third_party/mac_headers/mach-o/fat.h new file mode 100644 index 00000000..e2bcf433 --- /dev/null +++ b/src/third_party/mac_headers/mach-o/fat.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +#ifndef _MACH_O_FAT_H_ +#define _MACH_O_FAT_H_ +/* + * This header file describes the structures of the file format for "fat" + * architecture specific file (wrapper design). At the begining of the file + * there is one fat_header structure followed by a number of fat_arch + * structures. For each architecture in the file, specified by a pair of + * cputype and cpusubtype, the fat_header describes the file offset, file + * size and alignment in the file of the architecture specific member. + * The padded bytes in the file to place each member on it's specific alignment + * are defined to be read as zeros and can be left as "holes" if the file system + * can support them as long as they read as zeros. + * + * All structures defined here are always written and read to/from disk + * in big-endian order. + */ + +/* + * <mach/machine.h> is needed here for the cpu_type_t and cpu_subtype_t types + * and contains the constants for the possible values of these types. + */ +#include <stdint.h> +#include <mach/machine.h> +#include <architecture/byte_order.h> + +#define FAT_MAGIC 0xcafebabe +#define FAT_CIGAM 0xbebafeca /* NXSwapLong(FAT_MAGIC) */ + +struct fat_header { + uint32_t magic; /* FAT_MAGIC */ + uint32_t nfat_arch; /* number of structs that follow */ +}; + +struct fat_arch { + cpu_type_t cputype; /* cpu specifier (int) */ + cpu_subtype_t cpusubtype; /* machine specifier (int) */ + uint32_t offset; /* file offset to this object file */ + uint32_t size; /* size of this object file */ + uint32_t align; /* alignment as a power of 2 */ +}; + +#endif /* _MACH_O_FAT_H_ */ diff --git a/src/third_party/mac_headers/mach-o/loader.h b/src/third_party/mac_headers/mach-o/loader.h new file mode 100644 index 00000000..ff18e29c --- /dev/null +++ b/src/third_party/mac_headers/mach-o/loader.h @@ -0,0 +1,1402 @@ +/* + * Copyright (c) 1999-2010 Apple Inc. All Rights Reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +#ifndef _MACHO_LOADER_H_ +#define _MACHO_LOADER_H_ + +/* + * This file describes the format of mach object files. + */ +#include <stdint.h> + +/* + * <mach/machine.h> is needed here for the cpu_type_t and cpu_subtype_t types + * and contains the constants for the possible values of these types. + */ +#include <mach/machine.h> + +/* + * <mach/vm_prot.h> is needed here for the vm_prot_t type and contains the + * constants that are or'ed together for the possible values of this type. + */ +#include <mach/vm_prot.h> + +/* + * <machine/thread_status.h> is expected to define the flavors of the thread + * states and the structures of those flavors for each machine. + */ +#include <mach/machine/thread_status.h> +#include <architecture/byte_order.h> + +/* + * The 32-bit mach header appears at the very beginning of the object file for + * 32-bit architectures. + */ +struct mach_header { + uint32_t magic; /* mach magic number identifier */ + cpu_type_t cputype; /* cpu specifier */ + cpu_subtype_t cpusubtype; /* machine specifier */ + uint32_t filetype; /* type of file */ + uint32_t ncmds; /* number of load commands */ + uint32_t sizeofcmds; /* the size of all the load commands */ + uint32_t flags; /* flags */ +}; + +/* Constant for the magic field of the mach_header (32-bit architectures) */ +#define MH_MAGIC 0xfeedface /* the mach magic number */ +#define MH_CIGAM 0xcefaedfe /* NXSwapInt(MH_MAGIC) */ + +/* + * The 64-bit mach header appears at the very beginning of object files for + * 64-bit architectures. + */ +struct mach_header_64 { + uint32_t magic; /* mach magic number identifier */ + cpu_type_t cputype; /* cpu specifier */ + cpu_subtype_t cpusubtype; /* machine specifier */ + uint32_t filetype; /* type of file */ + uint32_t ncmds; /* number of load commands */ + uint32_t sizeofcmds; /* the size of all the load commands */ + uint32_t flags; /* flags */ + uint32_t reserved; /* reserved */ +}; + +/* Constant for the magic field of the mach_header_64 (64-bit architectures) */ +#define MH_MAGIC_64 0xfeedfacf /* the 64-bit mach magic number */ +#define MH_CIGAM_64 0xcffaedfe /* NXSwapInt(MH_MAGIC_64) */ + +/* + * The layout of the file depends on the filetype. For all but the MH_OBJECT + * file type the segments are padded out and aligned on a segment alignment + * boundary for efficient demand pageing. The MH_EXECUTE, MH_FVMLIB, MH_DYLIB, + * MH_DYLINKER and MH_BUNDLE file types also have the headers included as part + * of their first segment. + * + * The file type MH_OBJECT is a compact format intended as output of the + * assembler and input (and possibly output) of the link editor (the .o + * format). All sections are in one unnamed segment with no segment padding. + * This format is used as an executable format when the file is so small the + * segment padding greatly increases its size. + * + * The file type MH_PRELOAD is an executable format intended for things that + * are not executed under the kernel (proms, stand alones, kernels, etc). The + * format can be executed under the kernel but may demand paged it and not + * preload it before execution. + * + * A core file is in MH_CORE format and can be any in an arbritray legal + * Mach-O file. + * + * Constants for the filetype field of the mach_header + */ +#define MH_OBJECT 0x1 /* relocatable object file */ +#define MH_EXECUTE 0x2 /* demand paged executable file */ +#define MH_FVMLIB 0x3 /* fixed VM shared library file */ +#define MH_CORE 0x4 /* core file */ +#define MH_PRELOAD 0x5 /* preloaded executable file */ +#define MH_DYLIB 0x6 /* dynamically bound shared library */ +#define MH_DYLINKER 0x7 /* dynamic link editor */ +#define MH_BUNDLE 0x8 /* dynamically bound bundle file */ +#define MH_DYLIB_STUB 0x9 /* shared library stub for static */ + /* linking only, no section contents */ +#define MH_DSYM 0xa /* companion file with only debug */ + /* sections */ +#define MH_KEXT_BUNDLE 0xb /* x86_64 kexts */ + +/* Constants for the flags field of the mach_header */ +#define MH_NOUNDEFS 0x1 /* the object file has no undefined + references */ +#define MH_INCRLINK 0x2 /* the object file is the output of an + incremental link against a base file + and can't be link edited again */ +#define MH_DYLDLINK 0x4 /* the object file is input for the + dynamic linker and can't be staticly + link edited again */ +#define MH_BINDATLOAD 0x8 /* the object file's undefined + references are bound by the dynamic + linker when loaded. */ +#define MH_PREBOUND 0x10 /* the file has its dynamic undefined + references prebound. */ +#define MH_SPLIT_SEGS 0x20 /* the file has its read-only and + read-write segments split */ +#define MH_LAZY_INIT 0x40 /* the shared library init routine is + to be run lazily via catching memory + faults to its writeable segments + (obsolete) */ +#define MH_TWOLEVEL 0x80 /* the image is using two-level name + space bindings */ +#define MH_FORCE_FLAT 0x100 /* the executable is forcing all images + to use flat name space bindings */ +#define MH_NOMULTIDEFS 0x200 /* this umbrella guarantees no multiple + defintions of symbols in its + sub-images so the two-level namespace + hints can always be used. */ +#define MH_NOFIXPREBINDING 0x400 /* do not have dyld notify the + prebinding agent about this + executable */ +#define MH_PREBINDABLE 0x800 /* the binary is not prebound but can + have its prebinding redone. only used + when MH_PREBOUND is not set. */ +#define MH_ALLMODSBOUND 0x1000 /* indicates that this binary binds to + all two-level namespace modules of + its dependent libraries. only used + when MH_PREBINDABLE and MH_TWOLEVEL + are both set. */ +#define MH_SUBSECTIONS_VIA_SYMBOLS 0x2000/* safe to divide up the sections into + sub-sections via symbols for dead + code stripping */ +#define MH_CANONICAL 0x4000 /* the binary has been canonicalized + via the unprebind operation */ +#define MH_WEAK_DEFINES 0x8000 /* the final linked image contains + external weak symbols */ +#define MH_BINDS_TO_WEAK 0x10000 /* the final linked image uses + weak symbols */ + +#define MH_ALLOW_STACK_EXECUTION 0x20000/* When this bit is set, all stacks + in the task will be given stack + execution privilege. Only used in + MH_EXECUTE filetypes. */ +#define MH_ROOT_SAFE 0x40000 /* When this bit is set, the binary + declares it is safe for use in + processes with uid zero */ + +#define MH_SETUID_SAFE 0x80000 /* When this bit is set, the binary + declares it is safe for use in + processes when issetugid() is true */ + +#define MH_NO_REEXPORTED_DYLIBS 0x100000 /* When this bit is set on a dylib, + the static linker does not need to + examine dependent dylibs to see + if any are re-exported */ +#define MH_PIE 0x200000 /* When this bit is set, the OS will + load the main executable at a + random address. Only used in + MH_EXECUTE filetypes. */ +#define MH_DEAD_STRIPPABLE_DYLIB 0x400000 /* Only for use on dylibs. When + linking against a dylib that + has this bit set, the static linker + will automatically not create a + LC_LOAD_DYLIB load command to the + dylib if no symbols are being + referenced from the dylib. */ +#define MH_HAS_TLV_DESCRIPTORS 0x800000 /* Contains a section of type + S_THREAD_LOCAL_VARIABLES */ + +#define MH_NO_HEAP_EXECUTION 0x1000000 /* When this bit is set, the OS will + run the main executable with + a non-executable heap even on + platforms (e.g. i386) that don't + require it. Only used in MH_EXECUTE + filetypes. */ + +/* + * The load commands directly follow the mach_header. The total size of all + * of the commands is given by the sizeofcmds field in the mach_header. All + * load commands must have as their first two fields cmd and cmdsize. The cmd + * field is filled in with a constant for that command type. Each command type + * has a structure specifically for it. The cmdsize field is the size in bytes + * of the particular load command structure plus anything that follows it that + * is a part of the load command (i.e. section structures, strings, etc.). To + * advance to the next load command the cmdsize can be added to the offset or + * pointer of the current load command. The cmdsize for 32-bit architectures + * MUST be a multiple of 4 bytes and for 64-bit architectures MUST be a multiple + * of 8 bytes (these are forever the maximum alignment of any load commands). + * The padded bytes must be zero. All tables in the object file must also + * follow these rules so the file can be memory mapped. Otherwise the pointers + * to these tables will not work well or at all on some machines. With all + * padding zeroed like objects will compare byte for byte. + */ +struct load_command { + uint32_t cmd; /* type of load command */ + uint32_t cmdsize; /* total size of command in bytes */ +}; + +/* + * After MacOS X 10.1 when a new load command is added that is required to be + * understood by the dynamic linker for the image to execute properly the + * LC_REQ_DYLD bit will be or'ed into the load command constant. If the dynamic + * linker sees such a load command it it does not understand will issue a + * "unknown load command required for execution" error and refuse to use the + * image. Other load commands without this bit that are not understood will + * simply be ignored. + */ +#define LC_REQ_DYLD 0x80000000 + +/* Constants for the cmd field of all load commands, the type */ +#define LC_SEGMENT 0x1 /* segment of this file to be mapped */ +#define LC_SYMTAB 0x2 /* link-edit stab symbol table info */ +#define LC_SYMSEG 0x3 /* link-edit gdb symbol table info (obsolete) */ +#define LC_THREAD 0x4 /* thread */ +#define LC_UNIXTHREAD 0x5 /* unix thread (includes a stack) */ +#define LC_LOADFVMLIB 0x6 /* load a specified fixed VM shared library */ +#define LC_IDFVMLIB 0x7 /* fixed VM shared library identification */ +#define LC_IDENT 0x8 /* object identification info (obsolete) */ +#define LC_FVMFILE 0x9 /* fixed VM file inclusion (internal use) */ +#define LC_PREPAGE 0xa /* prepage command (internal use) */ +#define LC_DYSYMTAB 0xb /* dynamic link-edit symbol table info */ +#define LC_LOAD_DYLIB 0xc /* load a dynamically linked shared library */ +#define LC_ID_DYLIB 0xd /* dynamically linked shared lib ident */ +#define LC_LOAD_DYLINKER 0xe /* load a dynamic linker */ +#define LC_ID_DYLINKER 0xf /* dynamic linker identification */ +#define LC_PREBOUND_DYLIB 0x10 /* modules prebound for a dynamically */ + /* linked shared library */ +#define LC_ROUTINES 0x11 /* image routines */ +#define LC_SUB_FRAMEWORK 0x12 /* sub framework */ +#define LC_SUB_UMBRELLA 0x13 /* sub umbrella */ +#define LC_SUB_CLIENT 0x14 /* sub client */ +#define LC_SUB_LIBRARY 0x15 /* sub library */ +#define LC_TWOLEVEL_HINTS 0x16 /* two-level namespace lookup hints */ +#define LC_PREBIND_CKSUM 0x17 /* prebind checksum */ + +/* + * load a dynamically linked shared library that is allowed to be missing + * (all symbols are weak imported). + */ +#define LC_LOAD_WEAK_DYLIB (0x18 | LC_REQ_DYLD) + +#define LC_SEGMENT_64 0x19 /* 64-bit segment of this file to be + mapped */ +#define LC_ROUTINES_64 0x1a /* 64-bit image routines */ +#define LC_UUID 0x1b /* the uuid */ +#define LC_RPATH (0x1c | LC_REQ_DYLD) /* runpath additions */ +#define LC_CODE_SIGNATURE 0x1d /* local of code signature */ +#define LC_SEGMENT_SPLIT_INFO 0x1e /* local of info to split segments */ +#define LC_REEXPORT_DYLIB (0x1f | LC_REQ_DYLD) /* load and re-export dylib */ +#define LC_LAZY_LOAD_DYLIB 0x20 /* delay load of dylib until first use */ +#define LC_ENCRYPTION_INFO 0x21 /* encrypted segment information */ +#define LC_DYLD_INFO 0x22 /* compressed dyld information */ +#define LC_DYLD_INFO_ONLY (0x22|LC_REQ_DYLD) /* compressed dyld information only */ +#define LC_LOAD_UPWARD_DYLIB (0x23 | LC_REQ_DYLD) /* load upward dylib */ +#define LC_VERSION_MIN_MACOSX 0x24 /* build for MacOSX min OS version */ +#define LC_VERSION_MIN_IPHONEOS 0x25 /* build for iPhoneOS min OS version */ +#define LC_FUNCTION_STARTS 0x26 /* compressed table of function start addresses */ +#define LC_DYLD_ENVIRONMENT 0x27 /* string for dyld to treat + like environment variable */ + +/* + * A variable length string in a load command is represented by an lc_str + * union. The strings are stored just after the load command structure and + * the offset is from the start of the load command structure. The size + * of the string is reflected in the cmdsize field of the load command. + * Once again any padded bytes to bring the cmdsize field to a multiple + * of 4 bytes must be zero. + */ +union lc_str { + uint32_t offset; /* offset to the string */ +#ifndef __LP64__ + char *ptr; /* pointer to the string */ +#endif +}; + +/* + * The segment load command indicates that a part of this file is to be + * mapped into the task's address space. The size of this segment in memory, + * vmsize, maybe equal to or larger than the amount to map from this file, + * filesize. The file is mapped starting at fileoff to the beginning of + * the segment in memory, vmaddr. The rest of the memory of the segment, + * if any, is allocated zero fill on demand. The segment's maximum virtual + * memory protection and initial virtual memory protection are specified + * by the maxprot and initprot fields. If the segment has sections then the + * section structures directly follow the segment command and their size is + * reflected in cmdsize. + */ +struct segment_command { /* for 32-bit architectures */ + uint32_t cmd; /* LC_SEGMENT */ + uint32_t cmdsize; /* includes sizeof section structs */ + char segname[16]; /* segment name */ + uint32_t vmaddr; /* memory address of this segment */ + uint32_t vmsize; /* memory size of this segment */ + uint32_t fileoff; /* file offset of this segment */ + uint32_t filesize; /* amount to map from the file */ + vm_prot_t maxprot; /* maximum VM protection */ + vm_prot_t initprot; /* initial VM protection */ + uint32_t nsects; /* number of sections in segment */ + uint32_t flags; /* flags */ +}; + +/* + * The 64-bit segment load command indicates that a part of this file is to be + * mapped into a 64-bit task's address space. If the 64-bit segment has + * sections then section_64 structures directly follow the 64-bit segment + * command and their size is reflected in cmdsize. + */ +struct segment_command_64 { /* for 64-bit architectures */ + uint32_t cmd; /* LC_SEGMENT_64 */ + uint32_t cmdsize; /* includes sizeof section_64 structs */ + char segname[16]; /* segment name */ + uint64_t vmaddr; /* memory address of this segment */ + uint64_t vmsize; /* memory size of this segment */ + uint64_t fileoff; /* file offset of this segment */ + uint64_t filesize; /* amount to map from the file */ + vm_prot_t maxprot; /* maximum VM protection */ + vm_prot_t initprot; /* initial VM protection */ + uint32_t nsects; /* number of sections in segment */ + uint32_t flags; /* flags */ +}; + +/* Constants for the flags field of the segment_command */ +#define SG_HIGHVM 0x1 /* the file contents for this segment is for + the high part of the VM space, the low part + is zero filled (for stacks in core files) */ +#define SG_FVMLIB 0x2 /* this segment is the VM that is allocated by + a fixed VM library, for overlap checking in + the link editor */ +#define SG_NORELOC 0x4 /* this segment has nothing that was relocated + in it and nothing relocated to it, that is + it maybe safely replaced without relocation*/ +#define SG_PROTECTED_VERSION_1 0x8 /* This segment is protected. If the + segment starts at file offset 0, the + first page of the segment is not + protected. All other pages of the + segment are protected. */ + +/* + * A segment is made up of zero or more sections. Non-MH_OBJECT files have + * all of their segments with the proper sections in each, and padded to the + * specified segment alignment when produced by the link editor. The first + * segment of a MH_EXECUTE and MH_FVMLIB format file contains the mach_header + * and load commands of the object file before its first section. The zero + * fill sections are always last in their segment (in all formats). This + * allows the zeroed segment padding to be mapped into memory where zero fill + * sections might be. The gigabyte zero fill sections, those with the section + * type S_GB_ZEROFILL, can only be in a segment with sections of this type. + * These segments are then placed after all other segments. + * + * The MH_OBJECT format has all of its sections in one segment for + * compactness. There is no padding to a specified segment boundary and the + * mach_header and load commands are not part of the segment. + * + * Sections with the same section name, sectname, going into the same segment, + * segname, are combined by the link editor. The resulting section is aligned + * to the maximum alignment of the combined sections and is the new section's + * alignment. The combined sections are aligned to their original alignment in + * the combined section. Any padded bytes to get the specified alignment are + * zeroed. + * + * The format of the relocation entries referenced by the reloff and nreloc + * fields of the section structure for mach object files is described in the + * header file <reloc.h>. + */ +struct section { /* for 32-bit architectures */ + char sectname[16]; /* name of this section */ + char segname[16]; /* segment this section goes in */ + uint32_t addr; /* memory address of this section */ + uint32_t size; /* size in bytes of this section */ + uint32_t offset; /* file offset of this section */ + uint32_t align; /* section alignment (power of 2) */ + uint32_t reloff; /* file offset of relocation entries */ + uint32_t nreloc; /* number of relocation entries */ + uint32_t flags; /* flags (section type and attributes)*/ + uint32_t reserved1; /* reserved (for offset or index) */ + uint32_t reserved2; /* reserved (for count or sizeof) */ +}; + +struct section_64 { /* for 64-bit architectures */ + char sectname[16]; /* name of this section */ + char segname[16]; /* segment this section goes in */ + uint64_t addr; /* memory address of this section */ + uint64_t size; /* size in bytes of this section */ + uint32_t offset; /* file offset of this section */ + uint32_t align; /* section alignment (power of 2) */ + uint32_t reloff; /* file offset of relocation entries */ + uint32_t nreloc; /* number of relocation entries */ + uint32_t flags; /* flags (section type and attributes)*/ + uint32_t reserved1; /* reserved (for offset or index) */ + uint32_t reserved2; /* reserved (for count or sizeof) */ + uint32_t reserved3; /* reserved */ +}; + +/* + * The flags field of a section structure is separated into two parts a section + * type and section attributes. The section types are mutually exclusive (it + * can only have one type) but the section attributes are not (it may have more + * than one attribute). + */ +#define SECTION_TYPE 0x000000ff /* 256 section types */ +#define SECTION_ATTRIBUTES 0xffffff00 /* 24 section attributes */ + +/* Constants for the type of a section */ +#define S_REGULAR 0x0 /* regular section */ +#define S_ZEROFILL 0x1 /* zero fill on demand section */ +#define S_CSTRING_LITERALS 0x2 /* section with only literal C strings*/ +#define S_4BYTE_LITERALS 0x3 /* section with only 4 byte literals */ +#define S_8BYTE_LITERALS 0x4 /* section with only 8 byte literals */ +#define S_LITERAL_POINTERS 0x5 /* section with only pointers to */ + /* literals */ +/* + * For the two types of symbol pointers sections and the symbol stubs section + * they have indirect symbol table entries. For each of the entries in the + * section the indirect symbol table entries, in corresponding order in the + * indirect symbol table, start at the index stored in the reserved1 field + * of the section structure. Since the indirect symbol table entries + * correspond to the entries in the section the number of indirect symbol table + * entries is inferred from the size of the section divided by the size of the + * entries in the section. For symbol pointers sections the size of the entries + * in the section is 4 bytes and for symbol stubs sections the byte size of the + * stubs is stored in the reserved2 field of the section structure. + */ +#define S_NON_LAZY_SYMBOL_POINTERS 0x6 /* section with only non-lazy + symbol pointers */ +#define S_LAZY_SYMBOL_POINTERS 0x7 /* section with only lazy symbol + pointers */ +#define S_SYMBOL_STUBS 0x8 /* section with only symbol + stubs, byte size of stub in + the reserved2 field */ +#define S_MOD_INIT_FUNC_POINTERS 0x9 /* section with only function + pointers for initialization*/ +#define S_MOD_TERM_FUNC_POINTERS 0xa /* section with only function + pointers for termination */ +#define S_COALESCED 0xb /* section contains symbols that + are to be coalesced */ +#define S_GB_ZEROFILL 0xc /* zero fill on demand section + (that can be larger than 4 + gigabytes) */ +#define S_INTERPOSING 0xd /* section with only pairs of + function pointers for + interposing */ +#define S_16BYTE_LITERALS 0xe /* section with only 16 byte + literals */ +#define S_DTRACE_DOF 0xf /* section contains + DTrace Object Format */ +#define S_LAZY_DYLIB_SYMBOL_POINTERS 0x10 /* section with only lazy + symbol pointers to lazy + loaded dylibs */ +/* + * Section types to support thread local variables + */ +#define S_THREAD_LOCAL_REGULAR 0x11 /* template of initial + values for TLVs */ +#define S_THREAD_LOCAL_ZEROFILL 0x12 /* template of initial + values for TLVs */ +#define S_THREAD_LOCAL_VARIABLES 0x13 /* TLV descriptors */ +#define S_THREAD_LOCAL_VARIABLE_POINTERS 0x14 /* pointers to TLV + descriptors */ +#define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS 0x15 /* functions to call + to initialize TLV + values */ + +/* + * Constants for the section attributes part of the flags field of a section + * structure. + */ +#define SECTION_ATTRIBUTES_USR 0xff000000 /* User setable attributes */ +#define S_ATTR_PURE_INSTRUCTIONS 0x80000000 /* section contains only true + machine instructions */ +#define S_ATTR_NO_TOC 0x40000000 /* section contains coalesced + symbols that are not to be + in a ranlib table of + contents */ +#define S_ATTR_STRIP_STATIC_SYMS 0x20000000 /* ok to strip static symbols + in this section in files + with the MH_DYLDLINK flag */ +#define S_ATTR_NO_DEAD_STRIP 0x10000000 /* no dead stripping */ +#define S_ATTR_LIVE_SUPPORT 0x08000000 /* blocks are live if they + reference live blocks */ +#define S_ATTR_SELF_MODIFYING_CODE 0x04000000 /* Used with i386 code stubs + written on by dyld */ +/* + * If a segment contains any sections marked with S_ATTR_DEBUG then all + * sections in that segment must have this attribute. No section other than + * a section marked with this attribute may reference the contents of this + * section. A section with this attribute may contain no symbols and must have + * a section type S_REGULAR. The static linker will not copy section contents + * from sections with this attribute into its output file. These sections + * generally contain DWARF debugging info. + */ +#define S_ATTR_DEBUG 0x02000000 /* a debug section */ +#define SECTION_ATTRIBUTES_SYS 0x00ffff00 /* system setable attributes */ +#define S_ATTR_SOME_INSTRUCTIONS 0x00000400 /* section contains some + machine instructions */ +#define S_ATTR_EXT_RELOC 0x00000200 /* section has external + relocation entries */ +#define S_ATTR_LOC_RELOC 0x00000100 /* section has local + relocation entries */ + + +/* + * The names of segments and sections in them are mostly meaningless to the + * link-editor. But there are few things to support traditional UNIX + * executables that require the link-editor and assembler to use some names + * agreed upon by convention. + * + * The initial protection of the "__TEXT" segment has write protection turned + * off (not writeable). + * + * The link-editor will allocate common symbols at the end of the "__common" + * section in the "__DATA" segment. It will create the section and segment + * if needed. + */ + +/* The currently known segment names and the section names in those segments */ + +#define SEG_PAGEZERO "__PAGEZERO" /* the pagezero segment which has no */ + /* protections and catches NULL */ + /* references for MH_EXECUTE files */ + + +#define SEG_TEXT "__TEXT" /* the tradition UNIX text segment */ +#define SECT_TEXT "__text" /* the real text part of the text */ + /* section no headers, and no padding */ +#define SECT_FVMLIB_INIT0 "__fvmlib_init0" /* the fvmlib initialization */ + /* section */ +#define SECT_FVMLIB_INIT1 "__fvmlib_init1" /* the section following the */ + /* fvmlib initialization */ + /* section */ + +#define SEG_DATA "__DATA" /* the tradition UNIX data segment */ +#define SECT_DATA "__data" /* the real initialized data section */ + /* no padding, no bss overlap */ +#define SECT_BSS "__bss" /* the real uninitialized data section*/ + /* no padding */ +#define SECT_COMMON "__common" /* the section common symbols are */ + /* allocated in by the link editor */ + +#define SEG_OBJC "__OBJC" /* objective-C runtime segment */ +#define SECT_OBJC_SYMBOLS "__symbol_table" /* symbol table */ +#define SECT_OBJC_MODULES "__module_info" /* module information */ +#define SECT_OBJC_STRINGS "__selector_strs" /* string table */ +#define SECT_OBJC_REFS "__selector_refs" /* string table */ + +#define SEG_ICON "__ICON" /* the icon segment */ +#define SECT_ICON_HEADER "__header" /* the icon headers */ +#define SECT_ICON_TIFF "__tiff" /* the icons in tiff format */ + +#define SEG_LINKEDIT "__LINKEDIT" /* the segment containing all structs */ + /* created and maintained by the link */ + /* editor. Created with -seglinkedit */ + /* option to ld(1) for MH_EXECUTE and */ + /* FVMLIB file types only */ + +#define SEG_UNIXSTACK "__UNIXSTACK" /* the unix stack segment */ + +#define SEG_IMPORT "__IMPORT" /* the segment for the self (dyld) */ + /* modifing code stubs that has read, */ + /* write and execute permissions */ + +/* + * Fixed virtual memory shared libraries are identified by two things. The + * target pathname (the name of the library as found for execution), and the + * minor version number. The address of where the headers are loaded is in + * header_addr. (THIS IS OBSOLETE and no longer supported). + */ +struct fvmlib { + union lc_str name; /* library's target pathname */ + uint32_t minor_version; /* library's minor version number */ + uint32_t header_addr; /* library's header address */ +}; + +/* + * A fixed virtual shared library (filetype == MH_FVMLIB in the mach header) + * contains a fvmlib_command (cmd == LC_IDFVMLIB) to identify the library. + * An object that uses a fixed virtual shared library also contains a + * fvmlib_command (cmd == LC_LOADFVMLIB) for each library it uses. + * (THIS IS OBSOLETE and no longer supported). + */ +struct fvmlib_command { + uint32_t cmd; /* LC_IDFVMLIB or LC_LOADFVMLIB */ + uint32_t cmdsize; /* includes pathname string */ + struct fvmlib fvmlib; /* the library identification */ +}; + +/* + * Dynamicly linked shared libraries are identified by two things. The + * pathname (the name of the library as found for execution), and the + * compatibility version number. The pathname must match and the compatibility + * number in the user of the library must be greater than or equal to the + * library being used. The time stamp is used to record the time a library was + * built and copied into user so it can be use to determined if the library used + * at runtime is exactly the same as used to built the program. + */ +struct dylib { + union lc_str name; /* library's path name */ + uint32_t timestamp; /* library's build time stamp */ + uint32_t current_version; /* library's current version number */ + uint32_t compatibility_version; /* library's compatibility vers number*/ +}; + +/* + * A dynamically linked shared library (filetype == MH_DYLIB in the mach header) + * contains a dylib_command (cmd == LC_ID_DYLIB) to identify the library. + * An object that uses a dynamically linked shared library also contains a + * dylib_command (cmd == LC_LOAD_DYLIB, LC_LOAD_WEAK_DYLIB, or + * LC_REEXPORT_DYLIB) for each library it uses. + */ +struct dylib_command { + uint32_t cmd; /* LC_ID_DYLIB, LC_LOAD_{,WEAK_}DYLIB, + LC_REEXPORT_DYLIB */ + uint32_t cmdsize; /* includes pathname string */ + struct dylib dylib; /* the library identification */ +}; + +/* + * A dynamically linked shared library may be a subframework of an umbrella + * framework. If so it will be linked with "-umbrella umbrella_name" where + * Where "umbrella_name" is the name of the umbrella framework. A subframework + * can only be linked against by its umbrella framework or other subframeworks + * that are part of the same umbrella framework. Otherwise the static link + * editor produces an error and states to link against the umbrella framework. + * The name of the umbrella framework for subframeworks is recorded in the + * following structure. + */ +struct sub_framework_command { + uint32_t cmd; /* LC_SUB_FRAMEWORK */ + uint32_t cmdsize; /* includes umbrella string */ + union lc_str umbrella; /* the umbrella framework name */ +}; + +/* + * For dynamically linked shared libraries that are subframework of an umbrella + * framework they can allow clients other than the umbrella framework or other + * subframeworks in the same umbrella framework. To do this the subframework + * is built with "-allowable_client client_name" and an LC_SUB_CLIENT load + * command is created for each -allowable_client flag. The client_name is + * usually a framework name. It can also be a name used for bundles clients + * where the bundle is built with "-client_name client_name". + */ +struct sub_client_command { + uint32_t cmd; /* LC_SUB_CLIENT */ + uint32_t cmdsize; /* includes client string */ + union lc_str client; /* the client name */ +}; + +/* + * A dynamically linked shared library may be a sub_umbrella of an umbrella + * framework. If so it will be linked with "-sub_umbrella umbrella_name" where + * Where "umbrella_name" is the name of the sub_umbrella framework. When + * staticly linking when -twolevel_namespace is in effect a twolevel namespace + * umbrella framework will only cause its subframeworks and those frameworks + * listed as sub_umbrella frameworks to be implicited linked in. Any other + * dependent dynamic libraries will not be linked it when -twolevel_namespace + * is in effect. The primary library recorded by the static linker when + * resolving a symbol in these libraries will be the umbrella framework. + * Zero or more sub_umbrella frameworks may be use by an umbrella framework. + * The name of a sub_umbrella framework is recorded in the following structure. + */ +struct sub_umbrella_command { + uint32_t cmd; /* LC_SUB_UMBRELLA */ + uint32_t cmdsize; /* includes sub_umbrella string */ + union lc_str sub_umbrella; /* the sub_umbrella framework name */ +}; + +/* + * A dynamically linked shared library may be a sub_library of another shared + * library. If so it will be linked with "-sub_library library_name" where + * Where "library_name" is the name of the sub_library shared library. When + * staticly linking when -twolevel_namespace is in effect a twolevel namespace + * shared library will only cause its subframeworks and those frameworks + * listed as sub_umbrella frameworks and libraries listed as sub_libraries to + * be implicited linked in. Any other dependent dynamic libraries will not be + * linked it when -twolevel_namespace is in effect. The primary library + * recorded by the static linker when resolving a symbol in these libraries + * will be the umbrella framework (or dynamic library). Zero or more sub_library + * shared libraries may be use by an umbrella framework or (or dynamic library). + * The name of a sub_library framework is recorded in the following structure. + * For example /usr/lib/libobjc_profile.A.dylib would be recorded as "libobjc". + */ +struct sub_library_command { + uint32_t cmd; /* LC_SUB_LIBRARY */ + uint32_t cmdsize; /* includes sub_library string */ + union lc_str sub_library; /* the sub_library name */ +}; + +/* + * A program (filetype == MH_EXECUTE) that is + * prebound to its dynamic libraries has one of these for each library that + * the static linker used in prebinding. It contains a bit vector for the + * modules in the library. The bits indicate which modules are bound (1) and + * which are not (0) from the library. The bit for module 0 is the low bit + * of the first byte. So the bit for the Nth module is: + * (linked_modules[N/8] >> N%8) & 1 + */ +struct prebound_dylib_command { + uint32_t cmd; /* LC_PREBOUND_DYLIB */ + uint32_t cmdsize; /* includes strings */ + union lc_str name; /* library's path name */ + uint32_t nmodules; /* number of modules in library */ + union lc_str linked_modules; /* bit vector of linked modules */ +}; + +/* + * A program that uses a dynamic linker contains a dylinker_command to identify + * the name of the dynamic linker (LC_LOAD_DYLINKER). And a dynamic linker + * contains a dylinker_command to identify the dynamic linker (LC_ID_DYLINKER). + * A file can have at most one of these. + * This struct is also used for the LC_DYLD_ENVIRONMENT load command and + * contains string for dyld to treat like environment variable. + */ +struct dylinker_command { + uint32_t cmd; /* LC_ID_DYLINKER, LC_LOAD_DYLINKER or + LC_DYLD_ENVIRONMENT */ + uint32_t cmdsize; /* includes pathname string */ + union lc_str name; /* dynamic linker's path name */ +}; + +/* + * Thread commands contain machine-specific data structures suitable for + * use in the thread state primitives. The machine specific data structures + * follow the struct thread_command as follows. + * Each flavor of machine specific data structure is preceded by an unsigned + * long constant for the flavor of that data structure, an uint32_t + * that is the count of longs of the size of the state data structure and then + * the state data structure follows. This triple may be repeated for many + * flavors. The constants for the flavors, counts and state data structure + * definitions are expected to be in the header file <machine/thread_status.h>. + * These machine specific data structures sizes must be multiples of + * 4 bytes The cmdsize reflects the total size of the thread_command + * and all of the sizes of the constants for the flavors, counts and state + * data structures. + * + * For executable objects that are unix processes there will be one + * thread_command (cmd == LC_UNIXTHREAD) created for it by the link-editor. + * This is the same as a LC_THREAD, except that a stack is automatically + * created (based on the shell's limit for the stack size). Command arguments + * and environment variables are copied onto that stack. + */ +struct thread_command { + uint32_t cmd; /* LC_THREAD or LC_UNIXTHREAD */ + uint32_t cmdsize; /* total size of this command */ + /* uint32_t flavor flavor of thread state */ + /* uint32_t count count of longs in thread state */ + /* struct XXX_thread_state state thread state for this flavor */ + /* ... */ +}; + +/* + * The routines command contains the address of the dynamic shared library + * initialization routine and an index into the module table for the module + * that defines the routine. Before any modules are used from the library the + * dynamic linker fully binds the module that defines the initialization routine + * and then calls it. This gets called before any module initialization + * routines (used for C++ static constructors) in the library. + */ +struct routines_command { /* for 32-bit architectures */ + uint32_t cmd; /* LC_ROUTINES */ + uint32_t cmdsize; /* total size of this command */ + uint32_t init_address; /* address of initialization routine */ + uint32_t init_module; /* index into the module table that */ + /* the init routine is defined in */ + uint32_t reserved1; + uint32_t reserved2; + uint32_t reserved3; + uint32_t reserved4; + uint32_t reserved5; + uint32_t reserved6; +}; + +/* + * The 64-bit routines command. Same use as above. + */ +struct routines_command_64 { /* for 64-bit architectures */ + uint32_t cmd; /* LC_ROUTINES_64 */ + uint32_t cmdsize; /* total size of this command */ + uint64_t init_address; /* address of initialization routine */ + uint64_t init_module; /* index into the module table that */ + /* the init routine is defined in */ + uint64_t reserved1; + uint64_t reserved2; + uint64_t reserved3; + uint64_t reserved4; + uint64_t reserved5; + uint64_t reserved6; +}; + +/* + * The symtab_command contains the offsets and sizes of the link-edit 4.3BSD + * "stab" style symbol table information as described in the header files + * <nlist.h> and <stab.h>. + */ +struct symtab_command { + uint32_t cmd; /* LC_SYMTAB */ + uint32_t cmdsize; /* sizeof(struct symtab_command) */ + uint32_t symoff; /* symbol table offset */ + uint32_t nsyms; /* number of symbol table entries */ + uint32_t stroff; /* string table offset */ + uint32_t strsize; /* string table size in bytes */ +}; + +/* + * This is the second set of the symbolic information which is used to support + * the data structures for the dynamically link editor. + * + * The original set of symbolic information in the symtab_command which contains + * the symbol and string tables must also be present when this load command is + * present. When this load command is present the symbol table is organized + * into three groups of symbols: + * local symbols (static and debugging symbols) - grouped by module + * defined external symbols - grouped by module (sorted by name if not lib) + * undefined external symbols (sorted by name if MH_BINDATLOAD is not set, + * and in order the were seen by the static + * linker if MH_BINDATLOAD is set) + * In this load command there are offsets and counts to each of the three groups + * of symbols. + * + * This load command contains a the offsets and sizes of the following new + * symbolic information tables: + * table of contents + * module table + * reference symbol table + * indirect symbol table + * The first three tables above (the table of contents, module table and + * reference symbol table) are only present if the file is a dynamically linked + * shared library. For executable and object modules, which are files + * containing only one module, the information that would be in these three + * tables is determined as follows: + * table of contents - the defined external symbols are sorted by name + * module table - the file contains only one module so everything in the + * file is part of the module. + * reference symbol table - is the defined and undefined external symbols + * + * For dynamically linked shared library files this load command also contains + * offsets and sizes to the pool of relocation entries for all sections + * separated into two groups: + * external relocation entries + * local relocation entries + * For executable and object modules the relocation entries continue to hang + * off the section structures. + */ +struct dysymtab_command { + uint32_t cmd; /* LC_DYSYMTAB */ + uint32_t cmdsize; /* sizeof(struct dysymtab_command) */ + + /* + * The symbols indicated by symoff and nsyms of the LC_SYMTAB load command + * are grouped into the following three groups: + * local symbols (further grouped by the module they are from) + * defined external symbols (further grouped by the module they are from) + * undefined symbols + * + * The local symbols are used only for debugging. The dynamic binding + * process may have to use them to indicate to the debugger the local + * symbols for a module that is being bound. + * + * The last two groups are used by the dynamic binding process to do the + * binding (indirectly through the module table and the reference symbol + * table when this is a dynamically linked shared library file). + */ + uint32_t ilocalsym; /* index to local symbols */ + uint32_t nlocalsym; /* number of local symbols */ + + uint32_t iextdefsym;/* index to externally defined symbols */ + uint32_t nextdefsym;/* number of externally defined symbols */ + + uint32_t iundefsym; /* index to undefined symbols */ + uint32_t nundefsym; /* number of undefined symbols */ + + /* + * For the for the dynamic binding process to find which module a symbol + * is defined in the table of contents is used (analogous to the ranlib + * structure in an archive) which maps defined external symbols to modules + * they are defined in. This exists only in a dynamically linked shared + * library file. For executable and object modules the defined external + * symbols are sorted by name and is use as the table of contents. + */ + uint32_t tocoff; /* file offset to table of contents */ + uint32_t ntoc; /* number of entries in table of contents */ + + /* + * To support dynamic binding of "modules" (whole object files) the symbol + * table must reflect the modules that the file was created from. This is + * done by having a module table that has indexes and counts into the merged + * tables for each module. The module structure that these two entries + * refer to is described below. This exists only in a dynamically linked + * shared library file. For executable and object modules the file only + * contains one module so everything in the file belongs to the module. + */ + uint32_t modtaboff; /* file offset to module table */ + uint32_t nmodtab; /* number of module table entries */ + + /* + * To support dynamic module binding the module structure for each module + * indicates the external references (defined and undefined) each module + * makes. For each module there is an offset and a count into the + * reference symbol table for the symbols that the module references. + * This exists only in a dynamically linked shared library file. For + * executable and object modules the defined external symbols and the + * undefined external symbols indicates the external references. + */ + uint32_t extrefsymoff; /* offset to referenced symbol table */ + uint32_t nextrefsyms; /* number of referenced symbol table entries */ + + /* + * The sections that contain "symbol pointers" and "routine stubs" have + * indexes and (implied counts based on the size of the section and fixed + * size of the entry) into the "indirect symbol" table for each pointer + * and stub. For every section of these two types the index into the + * indirect symbol table is stored in the section header in the field + * reserved1. An indirect symbol table entry is simply a 32bit index into + * the symbol table to the symbol that the pointer or stub is referring to. + * The indirect symbol table is ordered to match the entries in the section. + */ + uint32_t indirectsymoff; /* file offset to the indirect symbol table */ + uint32_t nindirectsyms; /* number of indirect symbol table entries */ + + /* + * To support relocating an individual module in a library file quickly the + * external relocation entries for each module in the library need to be + * accessed efficiently. Since the relocation entries can't be accessed + * through the section headers for a library file they are separated into + * groups of local and external entries further grouped by module. In this + * case the presents of this load command who's extreloff, nextrel, + * locreloff and nlocrel fields are non-zero indicates that the relocation + * entries of non-merged sections are not referenced through the section + * structures (and the reloff and nreloc fields in the section headers are + * set to zero). + * + * Since the relocation entries are not accessed through the section headers + * this requires the r_address field to be something other than a section + * offset to identify the item to be relocated. In this case r_address is + * set to the offset from the vmaddr of the first LC_SEGMENT command. + * For MH_SPLIT_SEGS images r_address is set to the the offset from the + * vmaddr of the first read-write LC_SEGMENT command. + * + * The relocation entries are grouped by module and the module table + * entries have indexes and counts into them for the group of external + * relocation entries for that the module. + * + * For sections that are merged across modules there must not be any + * remaining external relocation entries for them (for merged sections + * remaining relocation entries must be local). + */ + uint32_t extreloff; /* offset to external relocation entries */ + uint32_t nextrel; /* number of external relocation entries */ + + /* + * All the local relocation entries are grouped together (they are not + * grouped by their module since they are only used if the object is moved + * from it staticly link edited address). + */ + uint32_t locreloff; /* offset to local relocation entries */ + uint32_t nlocrel; /* number of local relocation entries */ + +}; + +/* + * An indirect symbol table entry is simply a 32bit index into the symbol table + * to the symbol that the pointer or stub is refering to. Unless it is for a + * non-lazy symbol pointer section for a defined symbol which strip(1) as + * removed. In which case it has the value INDIRECT_SYMBOL_LOCAL. If the + * symbol was also absolute INDIRECT_SYMBOL_ABS is or'ed with that. + */ +#define INDIRECT_SYMBOL_LOCAL 0x80000000 +#define INDIRECT_SYMBOL_ABS 0x40000000 + + +/* a table of contents entry */ +struct dylib_table_of_contents { + uint32_t symbol_index; /* the defined external symbol + (index into the symbol table) */ + uint32_t module_index; /* index into the module table this symbol + is defined in */ +}; + +/* a module table entry */ +struct dylib_module { + uint32_t module_name; /* the module name (index into string table) */ + + uint32_t iextdefsym; /* index into externally defined symbols */ + uint32_t nextdefsym; /* number of externally defined symbols */ + uint32_t irefsym; /* index into reference symbol table */ + uint32_t nrefsym; /* number of reference symbol table entries */ + uint32_t ilocalsym; /* index into symbols for local symbols */ + uint32_t nlocalsym; /* number of local symbols */ + + uint32_t iextrel; /* index into external relocation entries */ + uint32_t nextrel; /* number of external relocation entries */ + + uint32_t iinit_iterm; /* low 16 bits are the index into the init + section, high 16 bits are the index into + the term section */ + uint32_t ninit_nterm; /* low 16 bits are the number of init section + entries, high 16 bits are the number of + term section entries */ + + uint32_t /* for this module address of the start of */ + objc_module_info_addr; /* the (__OBJC,__module_info) section */ + uint32_t /* for this module size of */ + objc_module_info_size; /* the (__OBJC,__module_info) section */ +}; + +/* a 64-bit module table entry */ +struct dylib_module_64 { + uint32_t module_name; /* the module name (index into string table) */ + + uint32_t iextdefsym; /* index into externally defined symbols */ + uint32_t nextdefsym; /* number of externally defined symbols */ + uint32_t irefsym; /* index into reference symbol table */ + uint32_t nrefsym; /* number of reference symbol table entries */ + uint32_t ilocalsym; /* index into symbols for local symbols */ + uint32_t nlocalsym; /* number of local symbols */ + + uint32_t iextrel; /* index into external relocation entries */ + uint32_t nextrel; /* number of external relocation entries */ + + uint32_t iinit_iterm; /* low 16 bits are the index into the init + section, high 16 bits are the index into + the term section */ + uint32_t ninit_nterm; /* low 16 bits are the number of init section + entries, high 16 bits are the number of + term section entries */ + + uint32_t /* for this module size of */ + objc_module_info_size; /* the (__OBJC,__module_info) section */ + uint64_t /* for this module address of the start of */ + objc_module_info_addr; /* the (__OBJC,__module_info) section */ +}; + +/* + * The entries in the reference symbol table are used when loading the module + * (both by the static and dynamic link editors) and if the module is unloaded + * or replaced. Therefore all external symbols (defined and undefined) are + * listed in the module's reference table. The flags describe the type of + * reference that is being made. The constants for the flags are defined in + * <mach-o/nlist.h> as they are also used for symbol table entries. + */ +struct dylib_reference { + uint32_t isym:24, /* index into the symbol table */ + flags:8; /* flags to indicate the type of reference */ +}; + +/* + * The twolevel_hints_command contains the offset and number of hints in the + * two-level namespace lookup hints table. + */ +struct twolevel_hints_command { + uint32_t cmd; /* LC_TWOLEVEL_HINTS */ + uint32_t cmdsize; /* sizeof(struct twolevel_hints_command) */ + uint32_t offset; /* offset to the hint table */ + uint32_t nhints; /* number of hints in the hint table */ +}; + +/* + * The entries in the two-level namespace lookup hints table are twolevel_hint + * structs. These provide hints to the dynamic link editor where to start + * looking for an undefined symbol in a two-level namespace image. The + * isub_image field is an index into the sub-images (sub-frameworks and + * sub-umbrellas list) that made up the two-level image that the undefined + * symbol was found in when it was built by the static link editor. If + * isub-image is 0 the the symbol is expected to be defined in library and not + * in the sub-images. If isub-image is non-zero it is an index into the array + * of sub-images for the umbrella with the first index in the sub-images being + * 1. The array of sub-images is the ordered list of sub-images of the umbrella + * that would be searched for a symbol that has the umbrella recorded as its + * primary library. The table of contents index is an index into the + * library's table of contents. This is used as the starting point of the + * binary search or a directed linear search. + */ +struct twolevel_hint { + uint32_t + isub_image:8, /* index into the sub images */ + itoc:24; /* index into the table of contents */ +}; + +/* + * The prebind_cksum_command contains the value of the original check sum for + * prebound files or zero. When a prebound file is first created or modified + * for other than updating its prebinding information the value of the check sum + * is set to zero. When the file has it prebinding re-done and if the value of + * the check sum is zero the original check sum is calculated and stored in + * cksum field of this load command in the output file. If when the prebinding + * is re-done and the cksum field is non-zero it is left unchanged from the + * input file. + */ +struct prebind_cksum_command { + uint32_t cmd; /* LC_PREBIND_CKSUM */ + uint32_t cmdsize; /* sizeof(struct prebind_cksum_command) */ + uint32_t cksum; /* the check sum or zero */ +}; + +/* + * The uuid load command contains a single 128-bit unique random number that + * identifies an object produced by the static link editor. + */ +struct uuid_command { + uint32_t cmd; /* LC_UUID */ + uint32_t cmdsize; /* sizeof(struct uuid_command) */ + uint8_t uuid[16]; /* the 128-bit uuid */ +}; + +/* + * The rpath_command contains a path which at runtime should be added to + * the current run path used to find @rpath prefixed dylibs. + */ +struct rpath_command { + uint32_t cmd; /* LC_RPATH */ + uint32_t cmdsize; /* includes string */ + union lc_str path; /* path to add to run path */ +}; + +/* + * The linkedit_data_command contains the offsets and sizes of a blob + * of data in the __LINKEDIT segment. + */ +struct linkedit_data_command { + uint32_t cmd; /* LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO, + or LC_FUNCTION_STARTS */ + uint32_t cmdsize; /* sizeof(struct linkedit_data_command) */ + uint32_t dataoff; /* file offset of data in __LINKEDIT segment */ + uint32_t datasize; /* file size of data in __LINKEDIT segment */ +}; + +/* + * The encryption_info_command contains the file offset and size of an + * of an encrypted segment. + */ +struct encryption_info_command { + uint32_t cmd; /* LC_ENCRYPTION_INFO */ + uint32_t cmdsize; /* sizeof(struct encryption_info_command) */ + uint32_t cryptoff; /* file offset of encrypted range */ + uint32_t cryptsize; /* file size of encrypted range */ + uint32_t cryptid; /* which enryption system, + 0 means not-encrypted yet */ +}; + +/* + * The version_min_command contains the min OS version on which this + * binary was built to run. + */ +struct version_min_command { + uint32_t cmd; /* LC_VERSION_MIN_MACOSX or + LC_VERSION_MIN_IPHONEOS */ + uint32_t cmdsize; /* sizeof(struct min_version_command) */ + uint32_t version; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */ + uint32_t reserved; /* zero */ +}; + +/* + * The dyld_info_command contains the file offsets and sizes of + * the new compressed form of the information dyld needs to + * load the image. This information is used by dyld on Mac OS X + * 10.6 and later. All information pointed to by this command + * is encoded using byte streams, so no endian swapping is needed + * to interpret it. + */ +struct dyld_info_command { + uint32_t cmd; /* LC_DYLD_INFO or LC_DYLD_INFO_ONLY */ + uint32_t cmdsize; /* sizeof(struct dyld_info_command) */ + + /* + * Dyld rebases an image whenever dyld loads it at an address different + * from its preferred address. The rebase information is a stream + * of byte sized opcodes whose symbolic names start with REBASE_OPCODE_. + * Conceptually the rebase information is a table of tuples: + * <seg-index, seg-offset, type> + * The opcodes are a compressed way to encode the table by only + * encoding when a column changes. In addition simple patterns + * like "every n'th offset for m times" can be encoded in a few + * bytes. + */ + uint32_t rebase_off; /* file offset to rebase info */ + uint32_t rebase_size; /* size of rebase info */ + + /* + * Dyld binds an image during the loading process, if the image + * requires any pointers to be initialized to symbols in other images. + * The bind information is a stream of byte sized + * opcodes whose symbolic names start with BIND_OPCODE_. + * Conceptually the bind information is a table of tuples: + * <seg-index, seg-offset, type, symbol-library-ordinal, symbol-name, addend> + * The opcodes are a compressed way to encode the table by only + * encoding when a column changes. In addition simple patterns + * like for runs of pointers initialzed to the same value can be + * encoded in a few bytes. + */ + uint32_t bind_off; /* file offset to binding info */ + uint32_t bind_size; /* size of binding info */ + + /* + * Some C++ programs require dyld to unique symbols so that all + * images in the process use the same copy of some code/data. + * This step is done after binding. The content of the weak_bind + * info is an opcode stream like the bind_info. But it is sorted + * alphabetically by symbol name. This enable dyld to walk + * all images with weak binding information in order and look + * for collisions. If there are no collisions, dyld does + * no updating. That means that some fixups are also encoded + * in the bind_info. For instance, all calls to "operator new" + * are first bound to libstdc++.dylib using the information + * in bind_info. Then if some image overrides operator new + * that is detected when the weak_bind information is processed + * and the call to operator new is then rebound. + */ + uint32_t weak_bind_off; /* file offset to weak binding info */ + uint32_t weak_bind_size; /* size of weak binding info */ + + /* + * Some uses of external symbols do not need to be bound immediately. + * Instead they can be lazily bound on first use. The lazy_bind + * are contains a stream of BIND opcodes to bind all lazy symbols. + * Normal use is that dyld ignores the lazy_bind section when + * loading an image. Instead the static linker arranged for the + * lazy pointer to initially point to a helper function which + * pushes the offset into the lazy_bind area for the symbol + * needing to be bound, then jumps to dyld which simply adds + * the offset to lazy_bind_off to get the information on what + * to bind. + */ + uint32_t lazy_bind_off; /* file offset to lazy binding info */ + uint32_t lazy_bind_size; /* size of lazy binding infs */ + + /* + * The symbols exported by a dylib are encoded in a trie. This + * is a compact representation that factors out common prefixes. + * It also reduces LINKEDIT pages in RAM because it encodes all + * information (name, address, flags) in one small, contiguous range. + * The export area is a stream of nodes. The first node sequentially + * is the start node for the trie. + * + * Nodes for a symbol start with a uleb128 that is the length of + * the exported symbol information for the string so far. + * If there is no exported symbol, the node starts with a zero byte. + * If there is exported info, it follows the length. First is + * a uleb128 containing flags. Normally, it is followed by a + * uleb128 encoded offset which is location of the content named + * by the symbol from the mach_header for the image. If the flags + * is EXPORT_SYMBOL_FLAGS_REEXPORT, then following the flags is + * a uleb128 encoded library ordinal, then a zero terminated + * UTF8 string. If the string is zero length, then the symbol + * is re-export from the specified dylib with the same name. + * + * After the optional exported symbol information is a byte of + * how many edges (0-255) that this node has leaving it, + * followed by each edge. + * Each edge is a zero terminated UTF8 of the addition chars + * in the symbol, followed by a uleb128 offset for the node that + * edge points to. + * + */ + uint32_t export_off; /* file offset to lazy binding info */ + uint32_t export_size; /* size of lazy binding infs */ +}; + +/* + * The following are used to encode rebasing information + */ +#define REBASE_TYPE_POINTER 1 +#define REBASE_TYPE_TEXT_ABSOLUTE32 2 +#define REBASE_TYPE_TEXT_PCREL32 3 + +#define REBASE_OPCODE_MASK 0xF0 +#define REBASE_IMMEDIATE_MASK 0x0F +#define REBASE_OPCODE_DONE 0x00 +#define REBASE_OPCODE_SET_TYPE_IMM 0x10 +#define REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x20 +#define REBASE_OPCODE_ADD_ADDR_ULEB 0x30 +#define REBASE_OPCODE_ADD_ADDR_IMM_SCALED 0x40 +#define REBASE_OPCODE_DO_REBASE_IMM_TIMES 0x50 +#define REBASE_OPCODE_DO_REBASE_ULEB_TIMES 0x60 +#define REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB 0x70 +#define REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80 + + +/* + * The following are used to encode binding information + */ +#define BIND_TYPE_POINTER 1 +#define BIND_TYPE_TEXT_ABSOLUTE32 2 +#define BIND_TYPE_TEXT_PCREL32 3 + +#define BIND_SPECIAL_DYLIB_SELF 0 +#define BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1 +#define BIND_SPECIAL_DYLIB_FLAT_LOOKUP -2 + +#define BIND_SYMBOL_FLAGS_WEAK_IMPORT 0x1 +#define BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION 0x8 + +#define BIND_OPCODE_MASK 0xF0 +#define BIND_IMMEDIATE_MASK 0x0F +#define BIND_OPCODE_DONE 0x00 +#define BIND_OPCODE_SET_DYLIB_ORDINAL_IMM 0x10 +#define BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 0x20 +#define BIND_OPCODE_SET_DYLIB_SPECIAL_IMM 0x30 +#define BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 0x40 +#define BIND_OPCODE_SET_TYPE_IMM 0x50 +#define BIND_OPCODE_SET_ADDEND_SLEB 0x60 +#define BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x70 +#define BIND_OPCODE_ADD_ADDR_ULEB 0x80 +#define BIND_OPCODE_DO_BIND 0x90 +#define BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB 0xA0 +#define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xB0 +#define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xC0 + + +/* + * The following are used on the flags byte of a terminal node + * in the export information. + */ +#define EXPORT_SYMBOL_FLAGS_KIND_MASK 0x03 +#define EXPORT_SYMBOL_FLAGS_KIND_REGULAR 0x00 +#define EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01 +#define EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION 0x04 +#define EXPORT_SYMBOL_FLAGS_REEXPORT 0x08 +#define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10 + +/* + * The symseg_command contains the offset and size of the GNU style + * symbol table information as described in the header file <symseg.h>. + * The symbol roots of the symbol segments must also be aligned properly + * in the file. So the requirement of keeping the offsets aligned to a + * multiple of a 4 bytes translates to the length field of the symbol + * roots also being a multiple of a long. Also the padding must again be + * zeroed. (THIS IS OBSOLETE and no longer supported). + */ +struct symseg_command { + uint32_t cmd; /* LC_SYMSEG */ + uint32_t cmdsize; /* sizeof(struct symseg_command) */ + uint32_t offset; /* symbol segment offset */ + uint32_t size; /* symbol segment size in bytes */ +}; + +/* + * The ident_command contains a free format string table following the + * ident_command structure. The strings are null terminated and the size of + * the command is padded out with zero bytes to a multiple of 4 bytes/ + * (THIS IS OBSOLETE and no longer supported). + */ +struct ident_command { + uint32_t cmd; /* LC_IDENT */ + uint32_t cmdsize; /* strings that follow this command */ +}; + +/* + * The fvmfile_command contains a reference to a file to be loaded at the + * specified virtual address. (Presently, this command is reserved for + * internal use. The kernel ignores this command when loading a program into + * memory). + */ +struct fvmfile_command { + uint32_t cmd; /* LC_FVMFILE */ + uint32_t cmdsize; /* includes pathname string */ + union lc_str name; /* files pathname */ + uint32_t header_addr; /* files virtual address */ +}; + +/* + * Sections of type S_THREAD_LOCAL_VARIABLES contain an array + * of tlv_descriptor structures. + */ +struct tlv_descriptor +{ + void* (*thunk)(struct tlv_descriptor*); + unsigned long key; + unsigned long offset; +}; + +#endif /* _MACHO_LOADER_H_ */ diff --git a/src/third_party/mac_headers/mach-o/nlist.h b/src/third_party/mac_headers/mach-o/nlist.h new file mode 100644 index 00000000..1c194101 --- /dev/null +++ b/src/third_party/mac_headers/mach-o/nlist.h @@ -0,0 +1,312 @@ +/* + * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +#ifndef _MACHO_NLIST_H_ +#define _MACHO_NLIST_H_ +/* $NetBSD: nlist.h,v 1.5 1994/10/26 00:56:11 cgd Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)nlist.h 8.2 (Berkeley) 1/21/94 + */ +#include <stdint.h> + +/* + * Format of a symbol table entry of a Mach-O file for 32-bit architectures. + * Modified from the BSD format. The modifications from the original format + * were changing n_other (an unused field) to n_sect and the addition of the + * N_SECT type. These modifications are required to support symbols in a larger + * number of sections not just the three sections (text, data and bss) in a BSD + * file. + */ +struct nlist { + union { +#ifndef __LP64__ + char *n_name; /* for use when in-core */ +#endif + int32_t n_strx; /* index into the string table */ + } n_un; + uint8_t n_type; /* type flag, see below */ + uint8_t n_sect; /* section number or NO_SECT */ + int16_t n_desc; /* see <mach-o/stab.h> */ + uint32_t n_value; /* value of this symbol (or stab offset) */ +}; + +/* + * This is the symbol table entry structure for 64-bit architectures. + */ +struct nlist_64 { + union { + uint32_t n_strx; /* index into the string table */ + } n_un; + uint8_t n_type; /* type flag, see below */ + uint8_t n_sect; /* section number or NO_SECT */ + uint16_t n_desc; /* see <mach-o/stab.h> */ + uint64_t n_value; /* value of this symbol (or stab offset) */ +}; + +/* + * Symbols with a index into the string table of zero (n_un.n_strx == 0) are + * defined to have a null, "", name. Therefore all string indexes to non null + * names must not have a zero string index. This is bit historical information + * that has never been well documented. + */ + +/* + * The n_type field really contains four fields: + * unsigned char N_STAB:3, + * N_PEXT:1, + * N_TYPE:3, + * N_EXT:1; + * which are used via the following masks. + */ +#define N_STAB 0xe0 /* if any of these bits set, a symbolic debugging entry */ +#define N_PEXT 0x10 /* private external symbol bit */ +#define N_TYPE 0x0e /* mask for the type bits */ +#define N_EXT 0x01 /* external symbol bit, set for external symbols */ + +/* + * Only symbolic debugging entries have some of the N_STAB bits set and if any + * of these bits are set then it is a symbolic debugging entry (a stab). In + * which case then the values of the n_type field (the entire field) are given + * in <mach-o/stab.h> + */ + +/* + * Values for N_TYPE bits of the n_type field. + */ +#define N_UNDF 0x0 /* undefined, n_sect == NO_SECT */ +#define N_ABS 0x2 /* absolute, n_sect == NO_SECT */ +#define N_SECT 0xe /* defined in section number n_sect */ +#define N_PBUD 0xc /* prebound undefined (defined in a dylib) */ +#define N_INDR 0xa /* indirect */ + +/* + * If the type is N_INDR then the symbol is defined to be the same as another + * symbol. In this case the n_value field is an index into the string table + * of the other symbol's name. When the other symbol is defined then they both + * take on the defined type and value. + */ + +/* + * If the type is N_SECT then the n_sect field contains an ordinal of the + * section the symbol is defined in. The sections are numbered from 1 and + * refer to sections in order they appear in the load commands for the file + * they are in. This means the same ordinal may very well refer to different + * sections in different files. + * + * The n_value field for all symbol table entries (including N_STAB's) gets + * updated by the link editor based on the value of it's n_sect field and where + * the section n_sect references gets relocated. If the value of the n_sect + * field is NO_SECT then it's n_value field is not changed by the link editor. + */ +#define NO_SECT 0 /* symbol is not in any section */ +#define MAX_SECT 255 /* 1 thru 255 inclusive */ + +/* + * Common symbols are represented by undefined (N_UNDF) external (N_EXT) types + * who's values (n_value) are non-zero. In which case the value of the n_value + * field is the size (in bytes) of the common symbol. The n_sect field is set + * to NO_SECT. The alignment of a common symbol may be set as a power of 2 + * between 2^1 and 2^15 as part of the n_desc field using the macros below. If + * the alignment is not set (a value of zero) then natural alignment based on + * the size is used. + */ +#define GET_COMM_ALIGN(n_desc) (((n_desc) >> 8) & 0x0f) +#define SET_COMM_ALIGN(n_desc,align) \ + (n_desc) = (((n_desc) & 0xf0ff) | (((align) & 0x0f) << 8)) + +/* + * To support the lazy binding of undefined symbols in the dynamic link-editor, + * the undefined symbols in the symbol table (the nlist structures) are marked + * with the indication if the undefined reference is a lazy reference or + * non-lazy reference. If both a non-lazy reference and a lazy reference is + * made to the same symbol the non-lazy reference takes precedence. A reference + * is lazy only when all references to that symbol are made through a symbol + * pointer in a lazy symbol pointer section. + * + * The implementation of marking nlist structures in the symbol table for + * undefined symbols will be to use some of the bits of the n_desc field as a + * reference type. The mask REFERENCE_TYPE will be applied to the n_desc field + * of an nlist structure for an undefined symbol to determine the type of + * undefined reference (lazy or non-lazy). + * + * The constants for the REFERENCE FLAGS are propagated to the reference table + * in a shared library file. In that case the constant for a defined symbol, + * REFERENCE_FLAG_DEFINED, is also used. + */ +/* Reference type bits of the n_desc field of undefined symbols */ +#define REFERENCE_TYPE 0x7 +/* types of references */ +#define REFERENCE_FLAG_UNDEFINED_NON_LAZY 0 +#define REFERENCE_FLAG_UNDEFINED_LAZY 1 +#define REFERENCE_FLAG_DEFINED 2 +#define REFERENCE_FLAG_PRIVATE_DEFINED 3 +#define REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 4 +#define REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 5 + +/* + * To simplify stripping of objects that use are used with the dynamic link + * editor, the static link editor marks the symbols defined an object that are + * referenced by a dynamicly bound object (dynamic shared libraries, bundles). + * With this marking strip knows not to strip these symbols. + */ +#define REFERENCED_DYNAMICALLY 0x0010 + +/* + * For images created by the static link editor with the -twolevel_namespace + * option in effect the flags field of the mach header is marked with + * MH_TWOLEVEL. And the binding of the undefined references of the image are + * determined by the static link editor. Which library an undefined symbol is + * bound to is recorded by the static linker in the high 8 bits of the n_desc + * field using the SET_LIBRARY_ORDINAL macro below. The ordinal recorded + * references the libraries listed in the Mach-O's LC_LOAD_DYLIB, + * LC_LOAD_WEAK_DYLIB, LC_REEXPORT_DYLIB, LC_LOAD_UPWARD_DYLIB, and + * LC_LAZY_LOAD_DYLIB, etc. load commands in the order they appear in the + * headers. The library ordinals start from 1. + * For a dynamic library that is built as a two-level namespace image the + * undefined references from module defined in another use the same nlist struct + * an in that case SELF_LIBRARY_ORDINAL is used as the library ordinal. For + * defined symbols in all images they also must have the library ordinal set to + * SELF_LIBRARY_ORDINAL. The EXECUTABLE_ORDINAL refers to the executable + * image for references from plugins that refer to the executable that loads + * them. + * + * The DYNAMIC_LOOKUP_ORDINAL is for undefined symbols in a two-level namespace + * image that are looked up by the dynamic linker with flat namespace semantics. + * This ordinal was added as a feature in Mac OS X 10.3 by reducing the + * value of MAX_LIBRARY_ORDINAL by one. So it is legal for existing binaries + * or binaries built with older tools to have 0xfe (254) dynamic libraries. In + * this case the ordinal value 0xfe (254) must be treated as a library ordinal + * for compatibility. + */ +#define GET_LIBRARY_ORDINAL(n_desc) (((n_desc) >> 8) & 0xff) +#define SET_LIBRARY_ORDINAL(n_desc,ordinal) \ + (n_desc) = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8)) +#define SELF_LIBRARY_ORDINAL 0x0 +#define MAX_LIBRARY_ORDINAL 0xfd +#define DYNAMIC_LOOKUP_ORDINAL 0xfe +#define EXECUTABLE_ORDINAL 0xff + +/* + * The bit 0x0020 of the n_desc field is used for two non-overlapping purposes + * and has two different symbolic names, N_NO_DEAD_STRIP and N_DESC_DISCARDED. + */ + +/* + * The N_NO_DEAD_STRIP bit of the n_desc field only ever appears in a + * relocatable .o file (MH_OBJECT filetype). And is used to indicate to the + * static link editor it is never to dead strip the symbol. + */ +#define N_NO_DEAD_STRIP 0x0020 /* symbol is not to be dead stripped */ + +/* + * The N_DESC_DISCARDED bit of the n_desc field never appears in linked image. + * But is used in very rare cases by the dynamic link editor to mark an in + * memory symbol as discared and longer used for linking. + */ +#define N_DESC_DISCARDED 0x0020 /* symbol is discarded */ + +/* + * The N_WEAK_REF bit of the n_desc field indicates to the dynamic linker that + * the undefined symbol is allowed to be missing and is to have the address of + * zero when missing. + */ +#define N_WEAK_REF 0x0040 /* symbol is weak referenced */ + +/* + * The N_WEAK_DEF bit of the n_desc field indicates to the static and dynamic + * linkers that the symbol definition is weak, allowing a non-weak symbol to + * also be used which causes the weak definition to be discared. Currently this + * is only supported for symbols in coalesed sections. + */ +#define N_WEAK_DEF 0x0080 /* coalesed symbol is a weak definition */ + +/* + * The N_REF_TO_WEAK bit of the n_desc field indicates to the dynamic linker + * that the undefined symbol should be resolved using flat namespace searching. + */ +#define N_REF_TO_WEAK 0x0080 /* reference to a weak symbol */ + +/* + * The N_ARM_THUMB_DEF bit of the n_desc field indicates that the symbol is + * a defintion of a Thumb function. + */ +#define N_ARM_THUMB_DEF 0x0008 /* symbol is a Thumb function (ARM) */ + +/* + * The N_SYMBOL_RESOLVER bit of the n_desc field indicates that the + * that the function is actually a resolver function and should + * be called to get the address of the real function to use. + * This bit is only available in .o files (MH_OBJECT filetype) + */ +#define N_SYMBOL_RESOLVER 0x0100 + +#ifndef __STRICT_BSD__ +#if __cplusplus +extern "C" { +#endif /* __cplusplus */ +/* + * The function nlist(3) from the C library. + */ +extern int nlist (const char *filename, struct nlist *list); +#if __cplusplus +} +#endif /* __cplusplus */ +#endif /* __STRICT_BSD__ */ + +#endif /* _MACHO_LIST_H_ */ diff --git a/src/third_party/mac_headers/mach/boolean.h b/src/third_party/mac_headers/mach/boolean.h new file mode 100644 index 00000000..641c3962 --- /dev/null +++ b/src/third_party/mac_headers/mach/boolean.h @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + */ +/* + * File: mach/boolean.h + * + * Boolean data type. + * + */ + +#ifndef _MACH_BOOLEAN_H_ +#define _MACH_BOOLEAN_H_ + +/* + * Pick up "boolean_t" type definition + */ + +#ifndef ASSEMBLER +#include <mach/machine/boolean.h> +#endif /* ASSEMBLER */ + +/* + * Define TRUE and FALSE if not defined. + */ + +#ifndef TRUE +#define TRUE 1 +#endif /* TRUE */ + +#ifndef FALSE +#define FALSE 0 +#endif /* FALSE */ + +#endif /* _MACH_BOOLEAN_H_ */ diff --git a/src/third_party/mac_headers/mach/i386/boolean.h b/src/third_party/mac_headers/mach/i386/boolean.h new file mode 100644 index 00000000..100f7e7b --- /dev/null +++ b/src/third_party/mac_headers/mach/i386/boolean.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + */ + +/* + * File: boolean.h + * + * Boolean type, for I386. + */ + +#ifndef _MACH_I386_BOOLEAN_H_ +#define _MACH_I386_BOOLEAN_H_ + +#if defined(__x86_64__) && !defined(KERNEL) +typedef unsigned int boolean_t; +#else +typedef int boolean_t; +#endif + +#endif /* _MACH_I386_BOOLEAN_H_ */ diff --git a/src/third_party/mac_headers/mach/i386/vm_param.h b/src/third_party/mac_headers/mach/i386/vm_param.h new file mode 100644 index 00000000..edcb8349 --- /dev/null +++ b/src/third_party/mac_headers/mach/i386/vm_param.h @@ -0,0 +1,157 @@ +/* + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +/* + * Copyright (c) 1994 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + */ + +/* + * File: vm_param.h + * Author: Avadis Tevanian, Jr. + * Date: 1985 + * + * I386 machine dependent virtual memory parameters. + * Most of the declarations are preceeded by I386_ (or i386_) + * which is OK because only I386 specific code will be using + * them. + */ + +#ifndef _MACH_I386_VM_PARAM_H_ +#define _MACH_I386_VM_PARAM_H_ + +#define BYTE_SIZE 8 /* byte size in bits */ + +#define I386_PGBYTES 4096 /* bytes per 80386 page */ +#define I386_PGSHIFT 12 /* bitshift for pages */ + +#define PAGE_SIZE I386_PGBYTES +#define PAGE_SHIFT I386_PGSHIFT +#define PAGE_MASK (PAGE_SIZE - 1) + +#define I386_LPGBYTES 2*1024*1024 /* bytes per large page */ +#define I386_LPGSHIFT 21 /* bitshift for large pages */ +#define I386_LPGMASK (I386_LPGBYTES-1) + +/* + * Convert bytes to pages and convert pages to bytes. + * No rounding is used. + */ + +#define i386_btop(x) ((ppnum_t)((x) >> I386_PGSHIFT)) +#define machine_btop(x) i386_btop(x) +#define i386_ptob(x) (((pmap_paddr_t)(x)) << I386_PGSHIFT) + +/* + * Round off or truncate to the nearest page. These will work + * for either addresses or counts. (i.e. 1 byte rounds to 1 page + * bytes. + */ + +#define i386_round_page(x) ((((pmap_paddr_t)(x)) + I386_PGBYTES - 1) & \ + ~(I386_PGBYTES-1)) +#define i386_trunc_page(x) (((pmap_paddr_t)(x)) & ~(I386_PGBYTES-1)) + + + +#define VM_MIN_ADDRESS64 ((user_addr_t) 0x0000000000000000ULL) +/* + * default top of user stack... it grows down from here + */ +#define VM_USRSTACK64 ((user_addr_t) 0x00007FFF5FC00000ULL) +#define VM_DYLD64 ((user_addr_t) 0x00007FFF5FC00000ULL) +#define VM_LIB64_SHR_DATA ((user_addr_t) 0x00007FFF60000000ULL) +#define VM_LIB64_SHR_TEXT ((user_addr_t) 0x00007FFF80000000ULL) +/* + * the end of the usable user address space , for now about 47 bits. + * the 64 bit commpage is past the end of this + */ +#define VM_MAX_PAGE_ADDRESS ((user_addr_t) 0x00007FFFFFE00000ULL) +/* + * canonical end of user address space for limits checking + */ +#define VM_MAX_USER_PAGE_ADDRESS ((user_addr_t)0x00007FFFFFFFF000ULL) + + +/* system-wide values */ +#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0) +#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS) + +/* process-relative values (all 32-bit legacy only for now) */ +#define VM_MIN_ADDRESS ((vm_offset_t) 0) +#define VM_USRSTACK32 ((vm_offset_t) 0xC0000000) +#define VM_MAX_ADDRESS ((vm_offset_t) 0xFFE00000) + + + +#endif /* _MACH_I386_VM_PARAM_H_ */ diff --git a/src/third_party/mac_headers/mach/i386/vm_types.h b/src/third_party/mac_headers/mach/i386/vm_types.h new file mode 100644 index 00000000..2c38fa2d --- /dev/null +++ b/src/third_party/mac_headers/mach/i386/vm_types.h @@ -0,0 +1,140 @@ +/* + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + */ + +/* + * File: vm_types.h + * Author: Avadis Tevanian, Jr. + * Date: 1985 + * + * Header file for VM data types. I386 version. + */ + +#ifndef _MACH_I386_VM_TYPES_H_ +#define _MACH_I386_VM_TYPES_H_ + +#ifndef ASSEMBLER + +#include <i386/_types.h> +#include <mach/i386/vm_param.h> +#include <stdint.h> + +/* + * natural_t and integer_t are Mach's legacy types for machine- + * independent integer types (unsigned, and signed, respectively). + * Their original purpose was to define other types in a machine/ + * compiler independent way. + * + * They also had an implicit "same size as pointer" characteristic + * to them (i.e. Mach's traditional types are very ILP32 or ILP64 + * centric). We support x86 ABIs that do not follow either of + * these models (specifically LP64). Therefore, we had to make a + * choice between making these types scale with pointers or stay + * tied to integers. Because their use is predominantly tied to + * to the size of an integer, we are keeping that association and + * breaking free from pointer size guarantees. + * + * New use of these types is discouraged. + */ +typedef __darwin_natural_t natural_t; +typedef int integer_t; + +/* + * A vm_offset_t is a type-neutral pointer, + * e.g. an offset into a virtual memory space. + */ +#ifdef __LP64__ +typedef uintptr_t vm_offset_t; +#else /* __LP64__ */ +typedef natural_t vm_offset_t; +#endif /* __LP64__ */ + +/* + * A vm_size_t is the proper type for e.g. + * expressing the difference between two + * vm_offset_t entities. + */ +#ifdef __LP64__ +typedef uintptr_t vm_size_t; +#else /* __LP64__ */ +typedef natural_t vm_size_t; +#endif /* __LP64__ */ + +/* + * This new type is independent of a particular vm map's + * implementation size - and represents appropriate types + * for all possible maps. This is used for interfaces + * where the size of the map is not known - or we don't + * want to have to distinguish. + */ +typedef uint64_t mach_vm_address_t; +typedef uint64_t mach_vm_offset_t; +typedef uint64_t mach_vm_size_t; + +typedef uint64_t vm_map_offset_t; +typedef uint64_t vm_map_address_t; +typedef uint64_t vm_map_size_t; + + +#endif /* ASSEMBLER */ + +/* + * If composing messages by hand (please do not) + */ +#define MACH_MSG_TYPE_INTEGER_T MACH_MSG_TYPE_INTEGER_32 + +#endif /* _MACH_I386_VM_TYPES_H_ */ diff --git a/src/third_party/mac_headers/mach/machine.h b/src/third_party/mac_headers/mach/machine.h new file mode 100644 index 00000000..91d9d709 --- /dev/null +++ b/src/third_party/mac_headers/mach/machine.h @@ -0,0 +1,346 @@ +/* + * Copyright (c) 2000-2007 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* File: machine.h + * Author: Avadis Tevanian, Jr. + * Date: 1986 + * + * Machine independent machine abstraction. + */ + +#ifndef _MACH_MACHINE_H_ +#define _MACH_MACHINE_H_ + +#include <stdint.h> +#include <mach/machine/vm_types.h> +#include <mach/boolean.h> + +typedef integer_t cpu_type_t; +typedef integer_t cpu_subtype_t; +typedef integer_t cpu_threadtype_t; + +#define CPU_STATE_MAX 4 + +#define CPU_STATE_USER 0 +#define CPU_STATE_SYSTEM 1 +#define CPU_STATE_IDLE 2 +#define CPU_STATE_NICE 3 + + + +/* + * Capability bits used in the definition of cpu_type. + */ +#define CPU_ARCH_MASK 0xff000000 /* mask for architecture bits */ +#define CPU_ARCH_ABI64 0x01000000 /* 64 bit ABI */ + +/* + * Machine types known by all. + */ + +#define CPU_TYPE_ANY ((cpu_type_t) -1) + +#define CPU_TYPE_VAX ((cpu_type_t) 1) +/* skip ((cpu_type_t) 2) */ +/* skip ((cpu_type_t) 3) */ +/* skip ((cpu_type_t) 4) */ +/* skip ((cpu_type_t) 5) */ +#define CPU_TYPE_MC680x0 ((cpu_type_t) 6) +#define CPU_TYPE_X86 ((cpu_type_t) 7) +#define CPU_TYPE_I386 CPU_TYPE_X86 /* compatibility */ +#define CPU_TYPE_X86_64 (CPU_TYPE_X86 | CPU_ARCH_ABI64) + +/* skip CPU_TYPE_MIPS ((cpu_type_t) 8) */ +/* skip ((cpu_type_t) 9) */ +#define CPU_TYPE_MC98000 ((cpu_type_t) 10) +#define CPU_TYPE_HPPA ((cpu_type_t) 11) +#define CPU_TYPE_ARM ((cpu_type_t) 12) +#define CPU_TYPE_MC88000 ((cpu_type_t) 13) +#define CPU_TYPE_SPARC ((cpu_type_t) 14) +#define CPU_TYPE_I860 ((cpu_type_t) 15) +/* skip CPU_TYPE_ALPHA ((cpu_type_t) 16) */ +/* skip ((cpu_type_t) 17) */ +#define CPU_TYPE_POWERPC ((cpu_type_t) 18) +#define CPU_TYPE_POWERPC64 (CPU_TYPE_POWERPC | CPU_ARCH_ABI64) + +/* + * Machine subtypes (these are defined here, instead of in a machine + * dependent directory, so that any program can get all definitions + * regardless of where is it compiled). + */ + +/* + * Capability bits used in the definition of cpu_subtype. + */ +#define CPU_SUBTYPE_MASK 0xff000000 /* mask for feature flags */ +#define CPU_SUBTYPE_LIB64 0x80000000 /* 64 bit libraries */ + + +/* + * Object files that are hand-crafted to run on any + * implementation of an architecture are tagged with + * CPU_SUBTYPE_MULTIPLE. This functions essentially the same as + * the "ALL" subtype of an architecture except that it allows us + * to easily find object files that may need to be modified + * whenever a new implementation of an architecture comes out. + * + * It is the responsibility of the implementor to make sure the + * software handles unsupported implementations elegantly. + */ +#define CPU_SUBTYPE_MULTIPLE ((cpu_subtype_t) -1) +#define CPU_SUBTYPE_LITTLE_ENDIAN ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_BIG_ENDIAN ((cpu_subtype_t) 1) + +/* + * Machine threadtypes. + * This is none - not defined - for most machine types/subtypes. + */ +#define CPU_THREADTYPE_NONE ((cpu_threadtype_t) 0) + +/* + * VAX subtypes (these do *not* necessary conform to the actual cpu + * ID assigned by DEC available via the SID register). + */ + +#define CPU_SUBTYPE_VAX_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_VAX780 ((cpu_subtype_t) 1) +#define CPU_SUBTYPE_VAX785 ((cpu_subtype_t) 2) +#define CPU_SUBTYPE_VAX750 ((cpu_subtype_t) 3) +#define CPU_SUBTYPE_VAX730 ((cpu_subtype_t) 4) +#define CPU_SUBTYPE_UVAXI ((cpu_subtype_t) 5) +#define CPU_SUBTYPE_UVAXII ((cpu_subtype_t) 6) +#define CPU_SUBTYPE_VAX8200 ((cpu_subtype_t) 7) +#define CPU_SUBTYPE_VAX8500 ((cpu_subtype_t) 8) +#define CPU_SUBTYPE_VAX8600 ((cpu_subtype_t) 9) +#define CPU_SUBTYPE_VAX8650 ((cpu_subtype_t) 10) +#define CPU_SUBTYPE_VAX8800 ((cpu_subtype_t) 11) +#define CPU_SUBTYPE_UVAXIII ((cpu_subtype_t) 12) + +/* + * 680x0 subtypes + * + * The subtype definitions here are unusual for historical reasons. + * NeXT used to consider 68030 code as generic 68000 code. For + * backwards compatability: + * + * CPU_SUBTYPE_MC68030 symbol has been preserved for source code + * compatability. + * + * CPU_SUBTYPE_MC680x0_ALL has been defined to be the same + * subtype as CPU_SUBTYPE_MC68030 for binary comatability. + * + * CPU_SUBTYPE_MC68030_ONLY has been added to allow new object + * files to be tagged as containing 68030-specific instructions. + */ + +#define CPU_SUBTYPE_MC680x0_ALL ((cpu_subtype_t) 1) +#define CPU_SUBTYPE_MC68030 ((cpu_subtype_t) 1) /* compat */ +#define CPU_SUBTYPE_MC68040 ((cpu_subtype_t) 2) +#define CPU_SUBTYPE_MC68030_ONLY ((cpu_subtype_t) 3) + +/* + * I386 subtypes + */ + +#define CPU_SUBTYPE_INTEL(f, m) ((cpu_subtype_t) (f) + ((m) << 4)) + +#define CPU_SUBTYPE_I386_ALL CPU_SUBTYPE_INTEL(3, 0) +#define CPU_SUBTYPE_386 CPU_SUBTYPE_INTEL(3, 0) +#define CPU_SUBTYPE_486 CPU_SUBTYPE_INTEL(4, 0) +#define CPU_SUBTYPE_486SX CPU_SUBTYPE_INTEL(4, 8) // 8 << 4 = 128 +#define CPU_SUBTYPE_586 CPU_SUBTYPE_INTEL(5, 0) +#define CPU_SUBTYPE_PENT CPU_SUBTYPE_INTEL(5, 0) +#define CPU_SUBTYPE_PENTPRO CPU_SUBTYPE_INTEL(6, 1) +#define CPU_SUBTYPE_PENTII_M3 CPU_SUBTYPE_INTEL(6, 3) +#define CPU_SUBTYPE_PENTII_M5 CPU_SUBTYPE_INTEL(6, 5) +#define CPU_SUBTYPE_CELERON CPU_SUBTYPE_INTEL(7, 6) +#define CPU_SUBTYPE_CELERON_MOBILE CPU_SUBTYPE_INTEL(7, 7) +#define CPU_SUBTYPE_PENTIUM_3 CPU_SUBTYPE_INTEL(8, 0) +#define CPU_SUBTYPE_PENTIUM_3_M CPU_SUBTYPE_INTEL(8, 1) +#define CPU_SUBTYPE_PENTIUM_3_XEON CPU_SUBTYPE_INTEL(8, 2) +#define CPU_SUBTYPE_PENTIUM_M CPU_SUBTYPE_INTEL(9, 0) +#define CPU_SUBTYPE_PENTIUM_4 CPU_SUBTYPE_INTEL(10, 0) +#define CPU_SUBTYPE_PENTIUM_4_M CPU_SUBTYPE_INTEL(10, 1) +#define CPU_SUBTYPE_ITANIUM CPU_SUBTYPE_INTEL(11, 0) +#define CPU_SUBTYPE_ITANIUM_2 CPU_SUBTYPE_INTEL(11, 1) +#define CPU_SUBTYPE_XEON CPU_SUBTYPE_INTEL(12, 0) +#define CPU_SUBTYPE_XEON_MP CPU_SUBTYPE_INTEL(12, 1) + +#define CPU_SUBTYPE_INTEL_FAMILY(x) ((x) & 15) +#define CPU_SUBTYPE_INTEL_FAMILY_MAX 15 + +#define CPU_SUBTYPE_INTEL_MODEL(x) ((x) >> 4) +#define CPU_SUBTYPE_INTEL_MODEL_ALL 0 + +/* + * X86 subtypes. + */ + +#define CPU_SUBTYPE_X86_ALL ((cpu_subtype_t)3) +#define CPU_SUBTYPE_X86_64_ALL ((cpu_subtype_t)3) +#define CPU_SUBTYPE_X86_ARCH1 ((cpu_subtype_t)4) + + +#define CPU_THREADTYPE_INTEL_HTT ((cpu_threadtype_t) 1) + +/* + * Mips subtypes. + */ + +#define CPU_SUBTYPE_MIPS_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_MIPS_R2300 ((cpu_subtype_t) 1) +#define CPU_SUBTYPE_MIPS_R2600 ((cpu_subtype_t) 2) +#define CPU_SUBTYPE_MIPS_R2800 ((cpu_subtype_t) 3) +#define CPU_SUBTYPE_MIPS_R2000a ((cpu_subtype_t) 4) /* pmax */ +#define CPU_SUBTYPE_MIPS_R2000 ((cpu_subtype_t) 5) +#define CPU_SUBTYPE_MIPS_R3000a ((cpu_subtype_t) 6) /* 3max */ +#define CPU_SUBTYPE_MIPS_R3000 ((cpu_subtype_t) 7) + +/* + * MC98000 (PowerPC) subtypes + */ +#define CPU_SUBTYPE_MC98000_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_MC98601 ((cpu_subtype_t) 1) + +/* + * HPPA subtypes for Hewlett-Packard HP-PA family of + * risc processors. Port by NeXT to 700 series. + */ + +#define CPU_SUBTYPE_HPPA_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_HPPA_7100 ((cpu_subtype_t) 0) /* compat */ +#define CPU_SUBTYPE_HPPA_7100LC ((cpu_subtype_t) 1) + +/* + * MC88000 subtypes. + */ +#define CPU_SUBTYPE_MC88000_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_MC88100 ((cpu_subtype_t) 1) +#define CPU_SUBTYPE_MC88110 ((cpu_subtype_t) 2) + +/* + * SPARC subtypes + */ +#define CPU_SUBTYPE_SPARC_ALL ((cpu_subtype_t) 0) + +/* + * I860 subtypes + */ +#define CPU_SUBTYPE_I860_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_I860_860 ((cpu_subtype_t) 1) + +/* + * PowerPC subtypes + */ +#define CPU_SUBTYPE_POWERPC_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_POWERPC_601 ((cpu_subtype_t) 1) +#define CPU_SUBTYPE_POWERPC_602 ((cpu_subtype_t) 2) +#define CPU_SUBTYPE_POWERPC_603 ((cpu_subtype_t) 3) +#define CPU_SUBTYPE_POWERPC_603e ((cpu_subtype_t) 4) +#define CPU_SUBTYPE_POWERPC_603ev ((cpu_subtype_t) 5) +#define CPU_SUBTYPE_POWERPC_604 ((cpu_subtype_t) 6) +#define CPU_SUBTYPE_POWERPC_604e ((cpu_subtype_t) 7) +#define CPU_SUBTYPE_POWERPC_620 ((cpu_subtype_t) 8) +#define CPU_SUBTYPE_POWERPC_750 ((cpu_subtype_t) 9) +#define CPU_SUBTYPE_POWERPC_7400 ((cpu_subtype_t) 10) +#define CPU_SUBTYPE_POWERPC_7450 ((cpu_subtype_t) 11) +#define CPU_SUBTYPE_POWERPC_970 ((cpu_subtype_t) 100) + +/* + * ARM subtypes + */ +#define CPU_SUBTYPE_ARM_ALL ((cpu_subtype_t) 0) +#define CPU_SUBTYPE_ARM_V4T ((cpu_subtype_t) 5) +#define CPU_SUBTYPE_ARM_V6 ((cpu_subtype_t) 6) +#define CPU_SUBTYPE_ARM_V5TEJ ((cpu_subtype_t) 7) +#define CPU_SUBTYPE_ARM_XSCALE ((cpu_subtype_t) 8) +#define CPU_SUBTYPE_ARM_V7 ((cpu_subtype_t) 9) + +/* + * CPU families (sysctl hw.cpufamily) + * + * These are meant to identify the CPU's marketing name - an + * application can map these to (possibly) localized strings. + * NB: the encodings of the CPU families are intentionally arbitrary. + * There is no ordering, and you should never try to deduce whether + * or not some feature is available based on the family. + * Use feature flags (eg, hw.optional.altivec) to test for optional + * functionality. + */ +#define CPUFAMILY_UNKNOWN 0 +#define CPUFAMILY_POWERPC_G3 0xcee41549 +#define CPUFAMILY_POWERPC_G4 0x77c184ae +#define CPUFAMILY_POWERPC_G5 0xed76d8aa +#define CPUFAMILY_INTEL_6_13 0xaa33392b +#define CPUFAMILY_INTEL_YONAH 0x73d67300 +#define CPUFAMILY_INTEL_MEROM 0x426f69ef +#define CPUFAMILY_INTEL_PENRYN 0x78ea4fbc +#define CPUFAMILY_INTEL_NEHALEM 0x6b5a4cd2 +#define CPUFAMILY_INTEL_WESTMERE 0x573b5eec +#define CPUFAMILY_INTEL_SANDYBRIDGE 0x5490b78c +#define CPUFAMILY_ARM_9 0xe73283ae +#define CPUFAMILY_ARM_11 0x8ff620d8 +#define CPUFAMILY_ARM_XSCALE 0x53b005f5 +#define CPUFAMILY_ARM_13 0x0cc90e64 +#define CPUFAMILY_ARM_14 0x96077ef1 + +/* The following synonyms are deprecated: */ +#define CPUFAMILY_INTEL_6_14 CPUFAMILY_INTEL_YONAH +#define CPUFAMILY_INTEL_6_15 CPUFAMILY_INTEL_MEROM +#define CPUFAMILY_INTEL_6_23 CPUFAMILY_INTEL_PENRYN +#define CPUFAMILY_INTEL_6_26 CPUFAMILY_INTEL_NEHALEM + +#define CPUFAMILY_INTEL_CORE CPUFAMILY_INTEL_YONAH +#define CPUFAMILY_INTEL_CORE2 CPUFAMILY_INTEL_MEROM + + +#endif /* _MACH_MACHINE_H_ */ diff --git a/src/third_party/mac_headers/mach/machine/boolean.h b/src/third_party/mac_headers/mach/machine/boolean.h new file mode 100644 index 00000000..ffdc2390 --- /dev/null +++ b/src/third_party/mac_headers/mach/machine/boolean.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2000-2007 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ + +#ifndef _MACH_MACHINE_BOOLEAN_H_ +#define _MACH_MACHINE_BOOLEAN_H_ + +#if defined (__i386__) || defined(__x86_64__) +#include "mach/i386/boolean.h" +#elif defined (__arm__) +#include "mach/arm/boolean.h" +#else +#error architecture not supported +#endif + +#endif /* _MACH_MACHINE_BOOLEAN_H_ */ diff --git a/src/third_party/mac_headers/mach/machine/thread_state.h b/src/third_party/mac_headers/mach/machine/thread_state.h new file mode 100644 index 00000000..1547acac --- /dev/null +++ b/src/third_party/mac_headers/mach/machine/thread_state.h @@ -0,0 +1,9 @@ +/* + * This file is a stub with the bare minimum needed to make things work. + */ +#ifndef _MACH_MACHINE_THREAD_STATE_H_ +#define _MACH_MACHINE_THREAD_STATE_H_ + +#define THREAD_STATE_MAX 1 + +#endif /* _MACH_MACHINE_THREAD_STATE_H_ */ diff --git a/src/third_party/mac_headers/mach/machine/thread_status.h b/src/third_party/mac_headers/mach/machine/thread_status.h new file mode 100644 index 00000000..d1ab56ad --- /dev/null +++ b/src/third_party/mac_headers/mach/machine/thread_status.h @@ -0,0 +1 @@ +/* This file intentionally left blank */ diff --git a/src/third_party/mac_headers/mach/machine/vm_types.h b/src/third_party/mac_headers/mach/machine/vm_types.h new file mode 100644 index 00000000..8ccd24be --- /dev/null +++ b/src/third_party/mac_headers/mach/machine/vm_types.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2000-2007 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ + +#ifndef _MACH_MACHINE_VM_TYPES_H_ +#define _MACH_MACHINE_VM_TYPES_H_ + +#if defined (__i386__) || defined(__x86_64__) +#include "mach/i386/vm_types.h" +#elif defined (__arm__) +#include "mach/arm/vm_types.h" +#else +#error architecture not supported +#endif + +#endif /* _MACH_MACHINE_VM_TYPES_H_ */ diff --git a/src/third_party/mac_headers/mach/thread_status.h b/src/third_party/mac_headers/mach/thread_status.h new file mode 100644 index 00000000..aead09bf --- /dev/null +++ b/src/third_party/mac_headers/mach/thread_status.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + */ +/* + * File: mach/thread_status.h + * Author: Avadis Tevanian, Jr. + * + * This file contains the structure definitions for the user-visible + * thread state. This thread state is examined with the thread_get_state + * kernel call and may be changed with the thread_set_state kernel call. + * + */ + +#ifndef _MACH_THREAD_STATUS_H_ +#define _MACH_THREAD_STATUS_H_ + +/* + * The actual structure that comprises the thread state is defined + * in the machine dependent module. + */ +#include <mach/machine/vm_types.h> +#include <mach/machine/thread_status.h> +#include <mach/machine/thread_state.h> + +/* + * Generic definition for machine-dependent thread status. + */ + +typedef natural_t *thread_state_t; /* Variable-length array */ + +/* THREAD_STATE_MAX is now defined in <mach/machine/thread_state.h> */ +typedef natural_t thread_state_data_t[THREAD_STATE_MAX]; + +#define THREAD_STATE_FLAVOR_LIST 0 /* List of valid flavors */ +#define THREAD_STATE_FLAVOR_LIST_NEW 128 + +typedef int thread_state_flavor_t; +typedef thread_state_flavor_t *thread_state_flavor_array_t; + +#endif /* _MACH_THREAD_STATUS_H_ */ diff --git a/src/third_party/mac_headers/mach/vm_prot.h b/src/third_party/mac_headers/mach/vm_prot.h new file mode 100644 index 00000000..07c2114e --- /dev/null +++ b/src/third_party/mac_headers/mach/vm_prot.h @@ -0,0 +1,140 @@ +/* + * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + */ +/* + * File: mach/vm_prot.h + * Author: Avadis Tevanian, Jr., Michael Wayne Young + * + * Virtual memory protection definitions. + * + */ + +#ifndef _MACH_VM_PROT_H_ +#define _MACH_VM_PROT_H_ + +/* + * Types defined: + * + * vm_prot_t VM protection values. + */ + +typedef int vm_prot_t; + +/* + * Protection values, defined as bits within the vm_prot_t type + */ + +#define VM_PROT_NONE ((vm_prot_t) 0x00) + +#define VM_PROT_READ ((vm_prot_t) 0x01) /* read permission */ +#define VM_PROT_WRITE ((vm_prot_t) 0x02) /* write permission */ +#define VM_PROT_EXECUTE ((vm_prot_t) 0x04) /* execute permission */ + +/* + * The default protection for newly-created virtual memory + */ + +#define VM_PROT_DEFAULT (VM_PROT_READ|VM_PROT_WRITE) + +/* + * The maximum privileges possible, for parameter checking. + */ + +#define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE) + +/* + * An invalid protection value. + * Used only by memory_object_lock_request to indicate no change + * to page locks. Using -1 here is a bad idea because it + * looks like VM_PROT_ALL and then some. + */ + +#define VM_PROT_NO_CHANGE ((vm_prot_t) 0x08) + +/* + * When a caller finds that he cannot obtain write permission on a + * mapped entry, the following flag can be used. The entry will + * be made "needs copy" effectively copying the object (using COW), + * and write permission will be added to the maximum protections + * for the associated entry. + */ + +#define VM_PROT_COPY ((vm_prot_t) 0x10) + + +/* + * Another invalid protection value. + * Used only by memory_object_data_request upon an object + * which has specified a copy_call copy strategy. It is used + * when the kernel wants a page belonging to a copy of the + * object, and is only asking the object as a result of + * following a shadow chain. This solves the race between pages + * being pushed up by the memory manager and the kernel + * walking down the shadow chain. + */ + +#define VM_PROT_WANTS_COPY ((vm_prot_t) 0x10) + + +/* + * Another invalid protection value. + * Indicates that the other protection bits are to be applied as a mask + * against the actual protection bits of the map entry. + */ +#define VM_PROT_IS_MASK ((vm_prot_t) 0x40) + +#endif /* _MACH_VM_PROT_H_ */ diff --git a/src/tools/mac/dump_syms/dump_syms.xcodeproj/project.pbxproj b/src/tools/mac/dump_syms/dump_syms.xcodeproj/project.pbxproj index 16759f4c..ee20b2dd 100644 --- a/src/tools/mac/dump_syms/dump_syms.xcodeproj/project.pbxproj +++ b/src/tools/mac/dump_syms/dump_syms.xcodeproj/project.pbxproj @@ -97,8 +97,8 @@ B8C5B51A1166534700D34F4E /* file_id.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9BE650410B52F6D800611104 /* file_id.cc */; }; B8C5B51B1166534700D34F4E /* macho_id.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9BE650430B52F6D800611104 /* macho_id.cc */; }; B8C5B51C1166534700D34F4E /* macho_walker.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9BE650450B52F6D800611104 /* macho_walker.cc */; }; - B8C5B51D1166534700D34F4E /* dump_syms.mm in Sources */ = {isa = PBXBuildFile; fileRef = 08FB7796FE84155DC02AAC07 /* dump_syms.mm */; }; - B8C5B51E1166534700D34F4E /* dump_syms_tool.mm in Sources */ = {isa = PBXBuildFile; fileRef = 9BDF186E0B1BB43700F8391B /* dump_syms_tool.mm */; }; + B8C5B51D1166534700D34F4E /* dump_syms.cc in Sources */ = {isa = PBXBuildFile; fileRef = 08FB7796FE84155DC02AAC07 /* dump_syms.cc */; }; + B8C5B51E1166534700D34F4E /* dump_syms_tool.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9BDF186E0B1BB43700F8391B /* dump_syms_tool.cc */; }; B8C5B523116653BA00D34F4E /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 08FB779EFE84155DC02AAC07 /* Foundation.framework */; }; D21F97D711CBA12300239E38 /* test_assembler_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = B88FB0D9116CEC0600407530 /* test_assembler_unittest.cc */; }; D21F97D811CBA13D00239E38 /* libgtestmockall.a in Frameworks */ = {isa = PBXBuildFile; fileRef = B88FB024116BDFFF00407530 /* libgtestmockall.a */; }; @@ -270,7 +270,7 @@ /* End PBXContainerItemProxy section */ /* Begin PBXFileReference section */ - 08FB7796FE84155DC02AAC07 /* dump_syms.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = dump_syms.mm; path = ../../../common/mac/dump_syms.mm; sourceTree = "<group>"; }; + 08FB7796FE84155DC02AAC07 /* dump_syms.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = dump_syms.cc; path = ../../../common/mac/dump_syms.cc; sourceTree = "<group>"; }; 08FB779EFE84155DC02AAC07 /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; }; 162F64F8161C591500CD68D5 /* arch_utilities.cc */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = arch_utilities.cc; path = ../../../common/mac/arch_utilities.cc; sourceTree = "<group>"; }; 162F64F9161C591500CD68D5 /* arch_utilities.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = arch_utilities.h; path = ../../../common/mac/arch_utilities.h; sourceTree = "<group>"; }; @@ -281,7 +281,7 @@ 8B3102D411F0D60300FCF3E4 /* BreakpadDebug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = BreakpadDebug.xcconfig; path = ../../../common/mac/BreakpadDebug.xcconfig; sourceTree = SOURCE_ROOT; }; 8B3102D511F0D60300FCF3E4 /* BreakpadRelease.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = BreakpadRelease.xcconfig; path = ../../../common/mac/BreakpadRelease.xcconfig; sourceTree = SOURCE_ROOT; }; 9BDF186D0B1BB43700F8391B /* dump_syms.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = dump_syms.h; path = ../../../common/mac/dump_syms.h; sourceTree = "<group>"; }; - 9BDF186E0B1BB43700F8391B /* dump_syms_tool.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = dump_syms_tool.mm; sourceTree = "<group>"; }; + 9BDF186E0B1BB43700F8391B /* dump_syms_tool.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = dump_syms_tool.cc; sourceTree = "<group>"; }; 9BE650410B52F6D800611104 /* file_id.cc */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = file_id.cc; path = ../../../common/mac/file_id.cc; sourceTree = SOURCE_ROOT; }; 9BE650420B52F6D800611104 /* file_id.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = file_id.h; path = ../../../common/mac/file_id.h; sourceTree = SOURCE_ROOT; }; 9BE650430B52F6D800611104 /* macho_id.cc */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = macho_id.cc; path = ../../../common/mac/macho_id.cc; sourceTree = SOURCE_ROOT; }; @@ -493,8 +493,8 @@ 9BE650410B52F6D800611104 /* file_id.cc */, 9BE650420B52F6D800611104 /* file_id.h */, 9BDF186D0B1BB43700F8391B /* dump_syms.h */, - 08FB7796FE84155DC02AAC07 /* dump_syms.mm */, - 9BDF186E0B1BB43700F8391B /* dump_syms_tool.mm */, + 08FB7796FE84155DC02AAC07 /* dump_syms.cc */, + 9BDF186E0B1BB43700F8391B /* dump_syms_tool.cc */, B89E0E701166573700DD08C9 /* macho_dump.cc */, 4D72CAF413DFBAC2006CABE3 /* md5.cc */, 08FB779DFE84155DC02AAC07 /* External Frameworks and Libraries */, @@ -1077,8 +1077,8 @@ B8C5B51A1166534700D34F4E /* file_id.cc in Sources */, B8C5B51B1166534700D34F4E /* macho_id.cc in Sources */, B8C5B51C1166534700D34F4E /* macho_walker.cc in Sources */, - B8C5B51D1166534700D34F4E /* dump_syms.mm in Sources */, - B8C5B51E1166534700D34F4E /* dump_syms_tool.mm in Sources */, + B8C5B51D1166534700D34F4E /* dump_syms.cc in Sources */, + B8C5B51E1166534700D34F4E /* dump_syms_tool.cc in Sources */, B88FAE1911665FE400407530 /* dwarf2diehandler.cc in Sources */, B88FAE261166603300407530 /* dwarf_cu_to_module.cc in Sources */, B88FAE271166603300407530 /* dwarf_line_to_module.cc in Sources */, diff --git a/src/tools/mac/dump_syms/dump_syms_tool.mm b/src/tools/mac/dump_syms/dump_syms_tool.cc index 7d56809a..54f29226 100644 --- a/src/tools/mac/dump_syms/dump_syms_tool.mm +++ b/src/tools/mac/dump_syms/dump_syms_tool.cc @@ -29,12 +29,13 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// dump_syms_tool.mm: Command line tool that uses the DumpSymbols class. +// dump_syms_tool.cc: Command line tool that uses the DumpSymbols class. // TODO(waylonis): accept stdin #include <mach-o/arch.h> #include <unistd.h> +#include <algorithm> #include <iostream> #include <vector> @@ -51,8 +52,9 @@ using std::vector; struct Options { Options() : srcPath(), dsymPath(), arch(), cfi(true), handle_inter_cu_refs(true) {} - NSString *srcPath; - NSString *dsymPath; + + string srcPath; + string dsymPath; const NXArchInfo *arch; bool cfi; bool handle_inter_cu_refs; @@ -114,8 +116,10 @@ static bool Start(const Options &options) { // requested, then consider the Module as "split" and dump all the debug data // from the primary debug info file, the dSYM, and then dump additional CFI // data from the source Mach-O file. - bool split_module = options.dsymPath && options.srcPath && options.cfi; - NSString* primary_file = split_module ? options.dsymPath : options.srcPath; + bool split_module = + !options.dsymPath.empty() && !options.srcPath.empty() && options.cfi; + const string& primary_file = + split_module ? options.dsymPath : options.srcPath; if (!dump_symbols.Read(primary_file)) return false; @@ -124,7 +128,7 @@ static bool Start(const Options &options) { if (!dump_symbols.SetArchitecture(options.arch->cputype, options.arch->cpusubtype)) { fprintf(stderr, "%s: no architecture '%s' is present in file.\n", - [primary_file fileSystemRepresentation], options.arch->name); + primary_file.c_str(), options.arch->name); size_t available_size; const SuperFatArch *available = dump_symbols.AvailableArchitectures(&available_size); @@ -214,8 +218,7 @@ static void SetupOptions(int argc, const char *argv[], Options *options) { break; } case 'g': - options->dsymPath = [[NSFileManager defaultManager] - stringWithFileSystemRepresentation:optarg length:strlen(optarg)]; + options->dsymPath = optarg; break; case 'c': options->cfi = false; @@ -237,21 +240,16 @@ static void SetupOptions(int argc, const char *argv[], Options *options) { exit(1); } - options->srcPath = [[NSFileManager defaultManager] - stringWithFileSystemRepresentation:argv[optind] - length:strlen(argv[optind])]; + options->srcPath = argv[optind]; } //============================================================================= int main (int argc, const char * argv[]) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; Options options; bool result; SetupOptions(argc, argv, &options); result = Start(options); - [pool release]; - return !result; } diff --git a/src/tools/mac/tools_mac.gypi b/src/tools/mac/tools_mac.gypi index ae06f030..7457573b 100644 --- a/src/tools/mac/tools_mac.gypi +++ b/src/tools/mac/tools_mac.gypi @@ -55,7 +55,7 @@ 'target_name': 'dump_syms', 'type': 'executable', 'sources': [ - 'dump_syms/dump_syms_tool.mm', + 'dump_syms/dump_syms_tool.cc', ], 'link_settings': { 'libraries': [ |