-2008-05-06 Nick Kledzik <kledzik@apple.com>
+-------- tagged ld64-123.2.1
- <rdar://problem/5905889> ARM ld should take W bit off of maxprot for __TEXT segment
- * src/MachOWriterExecutable.hpp: for iPhone always set maxprot to be initprot in all segments
+2010-03-07 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8955206> enable i386 ASLR
-2008-05-06 Nick Kledzik <kledzik@apple.com>
+-------- tagged ld64-123.2
- <rdar://problem/5914343> encryptable images may not be signable
- * src/MachOWriterExecutable.hpp: use minimum header padding when aligning __text section
+2010-12-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8746980> Man page typo: "dysmutil" under object_path_lto
+
+2010-12-10 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8746896> ld64 crashes when warning about re-exported symbol
------ Tagged ld64-85
+-------- tagged ld64-123.1
-2008-04-29 Nick Kledzik <kledzik@apple.com>
+2010-12-07 Nick Kledzik <kledzik@apple.com>
- * ld64.xcodeproj/project.pbxproj: <llvm-c/lto.h> is moving from /usr/local/include to /Developer/usr/local/include
+ <rdar://problem/8732097> assertion if symbol from re-exported dylib is in -exported_symbols_list
+-------- tagged ld64-123
-2008-04-29 Nick Kledzik <kledzik@apple.com>
+2010-12-06 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5829579> ld doesn't honor "rightmost" -syslibroot argument
- * src/Options.cpp: if last -syslibroot is /, then ignore all syslibroots
+ <rdar://problem/8649182> Change default search order and add -search_dylibs_first to restore old behavior
+2010-12-06 Nick Kledzik <kledzik@apple.com>
-2008-04-29 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/5866582> GLRendererFloat has bad __eh_frame section caused by mixing llvm-gcc and gcc object files
- * src/MachOReaderRelocatable.hpp: make all atoms in __eh_frame section have 1-byte alignment
- * src/MachOWriterExecutable.hpp: make __eh_frame section have pointer sized alignment
+ <rdar://problem/8626058> ld should consistently warn when resolvers are not exported
+2010-12-02 Nick Kledzik <kledzik@apple.com>
-2008-04-17 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8723307> data segment has file offset 0
- * src/MachOReaderRelocatable.hpp: better cpu subtype support
+-------- tagged ld64-122
+2010-12-01 Nick Kledzik <kledzik@apple.com>
-2008-04-14 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/5733759> ld64 has bad ARM branch island check
- * src/MachOWriterExecutable.hpp: in addBranchIslands() don't force large arm programs to fail
-
+ Add #define ARM_RELOC_HALF in case trying to build with old mach-o/arm/reloc.h header
-2008-04-10 Nick Kledzik <kledzik@apple.com>
+2010-11-30 Nick Kledzik <kledzik@apple.com>
- * src/MachOWriterExecutable.hpp: fix stubs used with lazy dylibs
-
+ <rdar://problem/8134559> Linker should synthesize interworking stubs for tail calls
+ added test case: unit-tests/test-cases/branch-interworking
+
+2010-11-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8708091> Link Time Optimization error with tentative defs and -dead_strip
+ added test case: unit-tests/test-cases/lto-dead_strip-tentative
+
+-------- tagged ld64-121
+
+2010-11-10 Nick Kledzik <kledzik@apple.com>
+
+ Add -dylibs option to dyldinfo tool
+
+2010-11-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7441442> Need support for ARM/thumb upper/lower 16 bit relocation
------ Tagged ld64-84.4
+2010-11-03 Nick Kledzik <kledzik@apple.com>
-2008-04-10 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8624334> Spelling typo in linker warning
- <rdar://problem/5847206> SPEC2000/eon built with -mdynamic-no-pic won't run
- * src/Architectures.hpp: added arm::kReadOnlyPointer
- * src/MachOReaderRelocatable.hpp: generate arm::kReadOnlyPointer
- * src/MachOWriterExecutable.hpp: use arm::kReadOnlyPointer
- * src/machochecker.cpp: allow MH_PIE bit
- * unit-tests/test-cases/switch-jump-table: added test cases
+2010-11-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8616906> Xcode 4: ld -r doesn't work on files compiled with llvm-gcc -flto
+
+2010-11-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8618747> ld wrongly complaining about tlv relocs for i386
+
+2010-11-01 Nick Kledzik <kledzik@apple.com>
+
+ Fix -why_live to list all references, not just first
+
+2010-11-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8612861>
+
+-------- tagged ld64-120.3
+
+2010-11-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8644314> revert default search order
+-------- tagged ld64-120.2
+
+2010-11-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8510696> ld -r corrupts multiple non-lazy sections
------ Tagged ld64-84.3
+-------- tagged ld64-120.1
-2008-04-09 Nick Kledzik <kledzik@apple.com>
+2010-10-25 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5852023> -undefined dynamic_lookup busted
- * src/ld.cpp: don't create proxy atom when scanning for dylib duplicates
- * unit-tests/test-cases/tentative-and-archive: use -undefined dynamic_lookup
+ <rdar://problem/8612550> When order file used on data, turn ordered zero fill symbols into zero data
+-------- tagged ld64-120
------ Tagged ld64-84.2
+2010-10-25 Nick Kledzik <kledzik@apple.com>
-2008-04-04 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8592564> ld should use this-image ordinal for symbols from re-exported non-public dylibs
+ added test case: unit-tests/test-cases/re-export-and-use
- * src/ld.cpp: don't add .eh symbols to symbol table in -r mode
- * unit-tests/test-cases/eh-coalescing-r: update to test out of order coalescing
+2010-10-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8284718> Value of N_SO stabs should be address of first atom from translation unit
+
+2010-10-25 Nick Kledzik <kledzik@apple.com>
+
+ Always print arch name on undefined symbols error
+2010-10-25 Nick Kledzik <kledzik@apple.com>
+
+ Add ld64 version number to crash logs
+
+2010-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7952947> -objc_abi_version 1 not supported
+
+2010-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5591394> Add support to ld64 for N_FUN stabs when used for symbolic constants
+
+2010-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3560832> Change default search order and add -search_dylibs_first to restore old behavior
+
+2010-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6955037> -L flag should support a space between it and its argument
+
+2010-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8553647> Hidden resolver functions don't work with DYLD_BIND_AT_LAUNCH
+
+2010-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8541707> Support resolver functions for function pointer use from same linkage unit
+
+2010-10-19 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8571323> section$start$ does not always point to start of built in section types
+
+-------- tagged ld64-119.2
+
+2010-10-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8553312> make having an ObjC2 class symbol in an export list be a warning instead of an error
+
+2010-10-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8553283> lazily produce (crt1.o missing) error
+
+-------- tagged ld64-119.1
+
+2010-10-05 Nick Kledzik <kledzik@apple.com>
------ Tagged ld64-84.1
+ <rdar://problem/8527740> ld -r can produce output with LC_DYLD_INFO load command
-2008-03-28 Nick Kledzik <kledzik@apple.com>
+2010-10-05 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5720961> ld should prefer architecture-specific variant over generic in fat object file
- * src/Options.cpp: fully process -arch arguments into fArchitecture and fSubArchitecture
- * src/ld.cpp: when -arch with a subtype is used, try to find the exact subtype from fat files
- * unit-tests/test-cases/cpu-sub-types-preference: added test cases for arm and ppc
+ <rdar://problem/8516692> ld doesn't pass stabs debug info through to the final executable any longer
+
+2010-10-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4251267> __UNIXSTACK placed incorrectly when -stack_addr < 0x4000000
+
+2010-10-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8267015> ld mishandles -lazy-l option
+ Updated test case: unit-tests/test-cases/lazy-dylib
+2010-10-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8468240> -no_compact_unwind should suppress dwarf->CUE warnings
+
+-------- tagged ld64-119
+
+2010-10-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6599016> use ld64 to link iBoot
+
+2010-10-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8504770> crash when entrypoint is thumb
+
+2010-10-01 Nick Kledzik <kledzik@apple.com>
+
+ If -ios_version_min is used with -arch i386, assume simulator
+
+2010-10-01 Nick Kledzik <kledzik@apple.com>
------ Tagged ld64-84
+ <rdar://problem/8500061> crash with multiple re-exported dylibs with same install_name
-2008-03-28 Nick Kledzik <kledzik@apple.com>
+2010-09-28 Nick Kledzik <kledzik@apple.com>
- * src/LTOReader.hpp: don't print lto version, if lto is unavailable
+ <rdar://problem/8032130> Linker complains about resolver functions when architecture is inferred.
+2010-09-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6751424> ARM subtype not set on LTO programs
+
+2010-09-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8481987> Link-Time Optimization assertion
+ Added test cases:
+ unit-tests/test-cases/lto-dead_strip-objc
+ unit-tests/test-cases/lto-dead_strip-some-hidden
+
+2010-09-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8441087> Support -dyld_env NAME=value
+
+2010-09-23 Nick Kledzik <kledzik@apple.com>
+
+ Previous BranchIsland code changes to make buildable with clang++ were bad. Fix.
+
+2010-09-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8274443> ld64 objc category merging asserts on category from old framework
+
+2010-09-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8469063> ASLR Sidebuild: Many Projects Fail checksyms_read_only_relocs Verifier
+
+2010-09-22 Nick Kledzik <kledzik@apple.com>
+
+ Fix DOF section name bug
+
+2010-09-22 Nick Kledzik <kledzik@apple.com>
+
+ Fixes to build with clang++
+
+2010-09-21 Nick Kledzik <kledzik@apple.com>
+
+ In Resolver::fillInHelpersInInternalState(), dyld never needs stubs
+
+2010-09-21 Ivan Krstic <ike@apple.com>
+
+ <rdar://problem/8457083> ld: support non-executable heap Mach-O header flag
+
+2010-09-21 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8175282> Xcode 4 linker fails with "address not in any section"
+
+2010-09-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8198832> assertion failure reading i386 yasm .o (not using scattered reloc)
+
+2010-09-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8430751> ld crashes when parsing dwarf and all code is not in __text
+
+2010-09-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8396450> magic segment symbol names don't work with preload executables
+ Update test case: unit-tests/test-cases/segment-labels
+
+2010-09-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8445985> OSO in DebugNotes for LTO should point to generated mach-o not, bitcode .o file
+
+2010-09-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8413931> FUN in debug map not rebased
+ Update test case: unit-tests/test-cases/rebase-basic
+
+2010-09-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8427133> Relocation failure with i386 32-bit diff to stub
+
+2010-09-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8437287> assert when targeting 10.5 and crt1.o/dylib1.o is not supplied
+
+-------- tagged ld64-118.1
+
+2010-09-15 Nick Kledzik <kledzik@apple.com>
-2008-03-26 Nick Kledzik <kledzik@apple.com>
+ Fix missing rebase commands that broke perl
- <rdar://problem/5575399> Add LD_WARN_COMMONS to BigBear builds
- * src/Options.cpp: Add support for LD_WARN_FILE which copies all warnings to a side file
+2010-09-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8252819> assert when .objc_class_name_* symbol missing
+ Add test case: unit-tests/test-cases/archive-ObjC-unexported
+
+2010-09-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8419850> linker does not honor $ld$hide for umbrella libraries
+ Added test case: unit-tests/test-cases/symbol-hiding-umbrella
+
+2010-09-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6723729> LC_UUID uuids should conform to RFC 4122 UUID version 4 & UUID version 5 formats
+
+2010-09-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4942948> support -bind_at_load
+
+2010-09-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7989734> ld mis-handling std::tr1::anonymous symbols
+ Remove support for ordering gcc-4.0 compiled anonymous namespace symbols
+
+
+-------- tagged ld64-118
+
+2010-09-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8308697> -preload should not have LINKEDIT segment
+ Added test case: unit-tests/test-cases/efi-basic
+
+2010-09-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8389578> trivial Objective-C app fails when using libLTO
+ Added test case: unit-tests/test-cases/lto-objc-image-info
+
+2010-09-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8384727> Add -reexport_symbols_list option to re-export certain symbols.
+ Added test case: unit-tests/test-cases/reexport_symbols_list
+
+2010-09-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7438246> LTO with 'dead code strip' can't ignore unused functions with undefined references
+ Add test case: unit-tests/test-cases/lto-dead_strip-unused
+
+2010-09-01 Nick Kledzik <kledzik@apple.com>
+
+ Warn if unaligned ARM code is detected
+
+2010-09-01 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8383175> Mach-O linked by current linker don't load in VIrtualBox any more
+
+2010-09-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8304984> Linker should pick default visibility instead of warning about conflicts
+ Updated test case: unit-tests/test-cases/visibility-warning
+
+2010-09-01 Nick Kledzik <kledzik@apple.com>
-2008-03-26 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8249338> Enable new load commands
- <rdar://problem/5797713> Need encryption tag in mach-o file
- <rdar://problem/5811920> linker should adjust arm final linked images so __text is never on the same page as the load commands
- * src/MachOFileAbstraction.hpp: add support for encryption_info_command
- * src/Options.cpp: add support for LD_NO_ENCRYPT and -no_encryption
- * src/MachOWriterExecutable.hpp: add EncryptionLoadCommandsAtom
- * src/machochecker.cpp: validate LC_ENCRYPTION_INFO
+2010-09-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8368679> Do not pass -demangle to ld_classic
+
+2010-09-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8336910> iOS 4.3 armv7 should be PIE by default
+ <rdar://problem/5472933> better error message for direct access to external globals when not linking read_only_relocs
+ <rdar://problem/7927510> linker does not error on direct (static) data references to a dylib symbol
+
+-------- tagged ld64-117.11
+
+2010-09-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8385011> mask thumb bit off non lazy pointers content when parsing arm .o files
+
+-------- tagged ld64-117.10
+
+2010-08-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8358084> 8F64 kills installtest devices
+ Don't clear thumb bit on pointers inside thumb functions if addend is negative
+
+-------- tagged ld64-117.9
+
+2010-08-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8345038> no more audio because of broken thunk
+ Update of thumb22 b.w instruction was not clearing bits before or'ing in new ones
+
+-------- tagged ld64-117.8
+
+2010-08-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8342028> prefetch abort in kernel mode: fault_addr=0xe58024e4
+ Don't set thumb bit on .long pointers in thumb functions that point to some offset in same function
+
+-------- tagged ld64-117.7
+
+2010-08-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8346444> dyld-179.4 fails to link, assert in setLoadCommandsPadding()
+ Fix linker to always put __text first before other code-only sections
+
+-------- tagged ld64-117.6
+
+2010-08-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8339702> ld no longer output static archive dependencies for dyld for B&I
+ Add test case unit-tests/test-cases/dependency-logging
+
+-------- tagged ld64-117.5
+
+2010-08-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8309595> SWB: ld64-117.1 on Durango8F54: Assertion failed:
+ UTF16 CFStrings were not coalesced correctly when gcc built the .o files and the
+ last string in the __ustring section only had a single zero byte at the end.
+-------- tagged ld64-117.4
+
+2010-08-19 Nick Kledzik <kledzik@apple.com>
-2008-03-25 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8326544> DTSJ1J105: SpringBoard crashes on boot
+ Fix order file to move aliases even when subsections_via_symbols it used
+ Update test case unit-tests/test-cases/order_file
- <rdar://problem/5712533> ld64 does not recognize LLVM bitcode archive files
- * src/MachOReaderArchive.hpp: renamed to src/ArchiveReader.hpp
- * src/ArchiveReader.hpp: sniff each member and instantiate correct reader
- * src/ld.cpp: rename mach_o::archive::Reader to archive::Reader
- * ld64.xcodeproj/project.pbxproj: rename MachOReaderArchive.hpp to ArchiveReader.hpp
- * unit-tests/test-cases/llvm-integration: added test case
+2010-08-17 Nick Kledzik <kledzik@apple.com>
+ Fix resolver functions to survive ld -r.
+ Warn if resolver functions are made non-external.
-2008-03-25 Nick Kledzik <kledzik@apple.com>
+2010-08-17 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5771658> ld64 should switch to new libLTO.dylib interface
- <rdar://problem/5675690> Produce llvm bc file in 'ld -r' mode if all .o files are llvm bc
- * src/LTOReader.hpp: rewrite from LLVMReader.hpp to use new lto_* C interface
- * unit-tests/test-cases/llvm-integration: update and comment
- * ld64.xcodeproj/project.pbxproj: update to lazy load libLTO.dylib
- * src/ld.cpp: rework and simplify Linker::optimize()
- * src/ObjectDump.cpp: Add -nm option
+ Make it an error for resolver functions to be used in anything but a dylib.
+
+-------- tagged ld64-117.3
+
+2010-08-17 Nick Kledzik <kledzik@apple.com>
+
+ Fix thumb resolver functions
+ Enable updward dylibs and symbol re-exports for iOS 4.2
+
+2010-08-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8308697> Latest ld no longer supports EFI -preload
+ Rearrange LINKEDIT chunks in -preload mode
+
+-------- tagged ld64-117.2
+
+2010-08-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8308697> Latest ld no longer supports EFI -preload
+ Add LC_UNIXTHREAD to -preload
+
+2010-08-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8309530> SWB: ld64-117.1 on Durango8F54: Assertion failed: (categoryAtom->size() == Category<A>::size())
+ gcc-4.0 uses 'L' labels on categories. This merges them onto previous data and disable category optimzation
+
+2010-08-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8309917> SWB: ld64-117.1 on Durango8F54: bad category optimization
+ Disable category optimization for i386 and arm until further testing
+
+2010-08-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8309608> SWB: ld64-117.1 on Durango8F54: address not in any section
+ Handle pointer diff to stub for weak hidden function
+
+2010-08-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8308697> Latest ld no longer supports EFI -preload
+
+-------- tagged ld64-117.1
+
+2010-08-11 Nick Kledzik <kledzik@apple.com>
+
+ Make missing exported symbols a warning to help adoption of new linker
+
+2010-08-11 Nick Kledzik <kledzik@apple.com>
+
+ Add ExternalRelocationsAtom<>::pointerReloc() to more easily support kext bundles
+
+2010-08-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8210380> SWB: ld64-116.2 fix branch to label-4
+
+2010-08-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8260073> Error with empty non_lazy_symbol_pointers section
+
+2010-08-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7977374> Add command line options to control symbol weak-def-bit on exported symbols
+
+-------- tagged ld64-117
+
+2010-07-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8243431> split seg info wrong for x86_64 stub helpers
+
+2010-07-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8237436> __nlcatlist categories should not be optimized
+
+2010-07-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8179273> ld64 assertion on object file
+
+2010-07-21 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7435296> Reorder sections to reduce page faults in object files
+
+2010-06-30 Nick Kledzik <kledzik@apple.com>
+
+ Support resolver functions in iOS dylibs
+
+-------- tagged ld64-116.2
+
+2010-06-30 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8138287> C programs get objc GCness from dylibs
+ Update: unit-tests/test-cases/objc-gc-checks
+
+-------- tagged ld64-116.1
+
+2010-06-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8111013> address range check should not apply to preload executables
+
+2010-06-22 Nick Kledzik <kledzik@apple.com>
+
+ Warn instead of error when CPU_SUBTYPE_ARM_ALL .o files used.
+
+2010-06-22 Nick Kledzik <kledzik@apple.com>
+
+ Fix assert in objc category optimzation. Metaclass also has copy of propery list to update.
+
+2010-06-22 Nick Kledzik <kledzik@apple.com>
+
+ Fix crash in -r mode with -alias.
-2008-03-25 Nick Kledzik <kledzik@apple.com>
+-------- tagged ld64-116
- * src/MachOReaderRelocatable.cpp: Fix some .objc_class_name_ off by one problem
- * src/MachOWriterExecutable.cpp: Fix some .objc_class_name_ off by one problem
+2010-06-21 Nick Kledzik <kledzik@apple.com>
+ Add support for -ios_version_min as an alias for -iphoneos_version_min
-2008-03-24 Nick Kledzik <kledzik@apple.com>
+2010-06-21 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5814613> Xcode 3.1 breaks linkage of libgcj.9.dylib from gcc 4.3.0
- * src/MachOWriterExecutable.cpp: Make sure all ivars in Writer are initialized.
+ <rdar://problem/7687304> linker could merge method lists from class and its categories
+ Added test case: unit-tests/test-cases/objc-category-optimize
+ Added option: -no_objc_category_merging to disable
+2010-06-21 Nick Kledzik <kledzik@apple.com>
-2008-03-21 Nick Kledzik <kledzik@apple.com>
+ <rdar://problem/8113877> i386 TLV PIC reloc content is negated
- * src/Options.cpp: warn if -seg1addr value is not page aligned
+2010-06-15 Nick Kledzik <kledzik@apple.com>
+
+ Added better error messages and asserts for bad thread local object files
+
+2010-06-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8076986>
+
+2010-06-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7966333> executable has no debug symbols when compiled with LTO
+ Added test case: unit-tests/test-cases/lto-object_path
+
+2010-06-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7702923> stop promoting hidden referenced dynamically symbols to global
+ Updated test case: unit-tests/test-cases/main-stripped
+
+2010-06-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6144674> ER: individual symbol re-exports
+ Added test case: unit-tests/test-cases/re-export-symbo
+
+2010-06-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7474224> add functions start info to LINKEDIT
+ * Support added but not on by default. Use -function_starts to enable.
+ * Added test case: unit-tests/test-cases/function-start
+
+2010-06-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5674241> ER: add load command for min OS version
+ * Support added but not on by default. Use -version_load_command to enable.
+
+2010-06-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/8040089> provide better undefined symbol error message
+
+2010-05-28 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7780438> ld should also merge file attributes from lazy loaded archives
+ * Move attribute gathering from InputFiles to Resolver
+
+2010-05-28 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/8038333> SWB: ld64-115.3: dylib on kext link line causes malformed kext
+ * allow -static after -kext on command line
+
+-------- tagged ld64-115.3
+
+2010-05-26 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/8024702> strip of .o files removes __objc_imageinfo section
+ * Added test case: unit-tests/test-cases/dwarf-strip-objc
+
+2010-05-25 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/8023624> crash when parsing local vanilla reloc to weak def
+
+-------- tagged ld64-115.2
+
+2010-05-21 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/8012536> switch back to using ld_classic for -static arm code
-2008-03-21 Nick Kledzik <kledzik@apple.com>
+2010-05-21 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/8012549> warn instead of error when seg1addr is out of range for ARM
+
+
+2010-05-21 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/8012526> fix -undefined dynamic_lookup -nodefaults to not error about missing dyld_stub_binder
+
+-------- tagged ld64-115.1
+
+2010-05-19 Nick Kledzik <kledzik@apple.com>
+
+ * Fix trie nodes for resolver functions to have second address be stub not helper
+
+2010-05-19 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7996423> work around for old checksyms tools
+ * Make i386 stub section named "__symbol_stub" instead of "__stubs"
+
+2010-05-10 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7960396> linking with LTO prints "/tmp/lto.o"
- <rdar://problem/5806437> Move ARM support outside of __OPEN_SOURCE__
- * src/ld.cpp: remove __OPEN_SOURCE__ around arm support
- * src/LLVMReader.hpp: remove __OPEN_SOURCE__ around arm support
- * src/MachOReaderDylib.hpp: remove __OPEN_SOURCE__ around arm support
- * src/ObjectFile.h: remove __OPEN_SOURCE__ around arm support
- * src/MachOReaderRelocatable.hpp: remove __OPEN_SOURCE__ around arm support
- * src/OpaqueSection.hpp: Cover arm support inside __OPEN_SOURCE__ macro check
- * src/MachOWriterExecutable.hpp: remove __OPEN_SOURCE__ around arm support
- * src/ObjectDump.cpp: remove __OPEN_SOURCE__ around arm support
- * ld64.xcodeproj/project.pbxproj: remove ARM_SUPPORT from config.h
+-------- tagged ld64-115
+
+2010-05-06 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7892392> linker loses x86_64 addend to 'L' symbols
+ * properly handle addend to 'L' symbols that are ignored
+
+2010-05-05 Nick Kledzik <kledzik@apple.com>
+
+ * rework min OS version parsing to enable the linker to handle unknown OS versions
+
+
+2010-05-05 Nick Kledzik <kledzik@apple.com>
+
+ * Implement magic section$start$xxx$yyyy and section$end$xxx$yyyy symbols
+ * Implement magic segment$start$xxx and segment$end$xxx symbols
+ * Add test case: unit-tests/test-cases/segment-labels
------ Tagged ld64-83.2
+2010-05-03 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7173071> implement optional demangling in linker
+ * Add option: -demangle
+ * Add test case: unit-tests/test-cases/demangle
-2008-03-15 Nick Kledzik <kledzik@apple.com>
+
+2010-05-03 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7931759> ld64 doesn't grok the modern-objc-ABI-on-i386
+ * Add support for -objc_abi_version command line option
+ * Added test case: unit-tests/test-cases/objc-abi
+
+
+2010-05-03 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7929974> -alias does not work with __OBJC sections
+ * sort contents of sections with aliases
+ * Added test case: unit-tests/test-cases/objc-class-alias
- <rdar://problem/5801620> ld64-83 removes OBJC_CLASS_$ symbols from projects, causes catastrophic results
- * src/Options.cpp: restore "case CPU_TYPE_ARM" in switch statement for .objc_class symbols in .exp files
- * unit-tests/test-cases/objc-exported_symbols_list: added test case
+
+2010-04-28 Nick Kledzik <kledzik@apple.com>
+ * <rdar://problem/4966836> Feature: Thread local storage
+ * Add test case: unit-tests/test-cases/tlv-basic
+ * Add test case: unit-tests/test-cases/tlv-dylib
------ Tagged ld64-83.1
-2008-03-14 Nick Kledzik <kledzik@apple.com>
+2010-04-27 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5800466> -iphone_version_min ==> -iphoneos_version_min
- * src/Options.cpp: support -iphoneos_version_min as well
-
+ * <rdar://problem/4383612> Accelerate needs way to dispatch based on instruction execution time characteristics.
+ * Add support for "symbol resolver" functions
+ * Add test case unit-tests/test-cases/symbol-resolver-basic
------ Tagged ld64-83
-2008-03-10 Nick Kledzik <kledzik@apple.com>
+2010-04-26 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5791543> ld needs to strip iphone_version_min option if invoking ld_classic
- * src/Options.cpp: suppress -iphone_version_min from being passed to ld_classic
-
+ * <rdar://problem/7711820> range check fat archives
+ * check that fat file slice being used does not extend beyond end of file
+ * check that member being used does not extend beyond end of slice/file
-2008-03-04 Nick Kledzik <kledzik@apple.com>
+2010-04-26 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/4171253> ADOBE XCODE: Linker option to lazy load frameworks (cause dyld is too slow)
- * src/MachOWriterExecutable.hpp: create lazy stubs and LC_LAZY_LOAD_DYLIB for lazy load dylibs
- * src/Options.cpp: support -lazy-l, -lazy_library, and -lazy_framework
- * src/MachOFileAbstraction.hpp: add LC_LAZY_LOAD_DYLIB and S_LAZY_DYLIB_SYMBOL_POINTERS until in cctools
- * src/MachOReaderDylib.hpp: add isLazyLoadedDylib()
- * src/ld.cpp: pass lazy helper atom to writer
- * doc/man/man1/ld.1: document new options
- * unit-tests/test-cases/lazy-dylib-objc: add test case
- * unit-tests/test-cases/lazy-dylib: add test case
-
+ * <rdar://problem/7666015> The documentation for the -allowable_client option doesn't say enough about it
------ Tagged ld64-82.7
+2010-04-26 Nick Kledzik <kledzik@apple.com>
-2008-03-07 Nick Kledzik <kledzik@apple.com>
+ * <rdar://problem/7854068> back out LD_NO_PIE
- <rdar://problem/5787149> duplicate symbol literal-pointer@__OBJC@__message_refs@...
- * src/MachOReaderRelocatable.hpp: AnonymousAtom from S_LITERAL_POINTERS section should be weak
- * unit-tests/test-cases/objc-selector-coalescing: added test case
+2010-04-22 Nick Kledzik <kledzik@apple.com>
+ * <rdar://problem/7831043> More ICU make check failures with 0-terminated UTF16 strings
+ * Change UTF16StringSection to break into atoms just on label boundaries
+ * Added test case: unit-tests/test-cases/utf16-nul
------ Tagged ld64-82.6
-2008-03-04 Nick Kledzik <kledzik@apple.com>
+-------- tagged ld64-114.12
+
+2010-04-14 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5779681> ld crashes building XsanFS for Snow Leopard Builds
- * src/ld.cpp: add bool dylibsOnly parameter to addJustInTimeAtoms()
- * unit-tests/test-cases/tentative-and-archive: added test case
+ * <rdar://problem/7811357> Crash with messed up BNSYM
-2008-03-04 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5775822> ld64 should not force building with gcc 4.0
- * ld64.xcodeproj/project.pbxproj: change rules to use "system" compiler instead of 4.0
+2010-04-07 Nick Kledzik <kledzik@apple.com>
+
+ * Fix crash with blank dylib stubs
+
+-------- tagged ld64-114.11
+
+2010-04-07 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7798495> for ppc, add split-seg info for TEXT pointers to DATA
-2008-02-29 Nick Kledzik <kledzik@apple.com>
+2010-04-07 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5774730> Simulator frameworks are being build split-seg and not prebound
- * src/Options.cpp: only splitseg if prebound
+ * <rdar://problem/7831379> Cannot build ppc64 target with ObjC code
-2008-02-29 Nick Kledzik <kledzik@apple.com>
+2010-04-01 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5774231> Linker should not make GSYM debug note for .objc_category_* symbols
- * src/ld.cpp: suppress GSYM debug notes for absolute symbols
- * unit-tests/test-cases/objc-category-debug-notes: added test case
+ * let .exp files override auto-hide so that they can be exported if needed
-2008-02-29 Nick Kledzik <kledzik@apple.com>
+2010-04-01 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5768970> non-ASCII CFString support is broken
- * src/MachOReaderRelocatable.hpp: only name and coalesce cfstring constants if they use a __cstring
- * unit-tests/test-cases/cfstring-utf16: add test case
+ * <rdar://problem/6783167> support auto hidden weak symbols: .weak_def_can_be_hidden
+ * added test case: unit-tests/test-cases/weak-def-auto-hide
-2008-02-25 Nick Kledzik <kledzik@apple.com>
+2010-04-01 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5366363> ld -r -x
- * doc/man/man1/ld.1: update man page to explain -r -x produces auto-stripped labels
+ * <rdar://problem/7818475> 'l' symbols not being automatically removed
------ Tagged ld64-82.5
+2010-03-31 Nick Kledzik <kledzik@apple.com>
-2008-02-12 Nick Kledzik <kledzik@apple.com>
+ * <rdar://problem/7808258> weak defs should not cause indirection in static executables
+ * Update test case: unit-tests/test-cases/static-executable-weak-defines
- <rdar://problem/5738023> x86_64: -stack_size failure when large __bss is used
- * src/ld.cpp: only move section already in __DATA segment to new __huge section
- * unit-tests/test-cases/stack_size_no_addr: updated test case to add large bss section
+-------- tagged ld64-114.10
+
+2010-03-31 Nick Kledzik <kledzik@apple.com>
+ * <rdar://problem/7735120> assert with .o file with two LSDA sections
+
------ Tagged ld64-82.4
+-------- tagged ld64-114.9
-2008-02-06 Nick Kledzik <kledzik@apple.com>
+2010-03-30 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5726215> comdat warnings with ld -r of C++ .o files
- * unit-tests/test-cases/eh-coalescing-r: added test case
- * src/ld.cpp: in ld -r mode don't warn about if .eh symbols are not static
+ * <rdar://problem/7791161> L4 locks up starting a second processor, works fine with old linker
+ * properly get addend from content in x86_64 substractor when target is direct
-2008-02-06 Devang Patel <dpatel@apple.com>
+2010-03-29 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7805172> ld should excludes debug notes when computing UUID
+ * added test case: unit-tests/test-cases/dwarf-debug-notes-uuid
- <rdar://problem/5724990> LTO of Bom framework with -dead_strip causes ld(1) crash
- * src/LLVMReader.hpp: Check fAtom while determining LLVMReference target binding.
- * unit-tests/test-cases/llvm-integration/Makefile: Add new test case.
- * unit-tests/test-cases/llvm-integration/a15.c: New.
- * unit-tests/test-cases/llvm-integration/b15.c: New.
- * unit-tests/test-cases/llvm-integration/c15.c: New.
+-------- tagged ld64-114.8
+
+2010-03-26 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7788474> __objc_catlist section loses don't dead strip bit in ld -r mode
+ * Update test case unit-tests/test-cases/static-executable
+
+-------- tagged ld64-114.7
-2008-02-05 Nick Kledzik <kledzik@apple.com>
+2010-03-25 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7796313> Support LD_NO_PIE again
+
+2010-03-25 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7765885> Rosetta crashes on launch in 11A133a
+ * Fix -segaddr __TEXT to cause other floating segments to be contiguous with TEXT
+
+2010-03-24 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7786326> Page Zero segment seems to be getting dead stripped
+
+2010-03-24 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7785574> kernel sdt dtrace probes not visible
+
+-------- tagged ld64-114.6
+
+2010-03-23 Nick Kledzik <kledzik@apple.com>
- * src/ld.cpp: fix for -arch ppc -mdynamic-no-pic -pie so PPC_RELOC_HA16 reloc is used
+ * <rdar://problem/7783918> new linker makes dylibs with no __text section, causing codesign_allocate tool to fail
+ * make sure there is always a __text section in dylibs and bundles
+
+-------- tagged ld64-114.5
+
+2010-03-22 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7767311> missing __objc_imageinfo section
+ * Real fix will be in 7780438. For now have Resolver also accumulate objc constraint info
------ Tagged ld64-82.3
+
+2010-03-19 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7772740> ld64-114 does not error on missing exported symbols with -dead_strip
+
+-------- tagged ld64-114.4
-2008-02-04 Nick Kledzik <kledzik@apple.com>
+2010-03-16 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5721186> ld doesn't seem to understand $ld$add$os... and $ld$hide$os... for 10.6 moves
- * src/ObjectFile.h: add 10.6
- * src/Options.cpp: add 10.6 support
- * src/MachOReaderDylib.hpp: recognize $os10.6$
+ * <rdar://problem/7762146> dyld missing LC_ID_DYLINKER
+-------- tagged ld64-114.3
------ Tagged ld64-82.2
+2010-03-15 Nick Kledzik <kledzik@apple.com>
-2008-01-30 Devang Patel <dpatel@apple.com>
+ * force i386 kexts to be built with ld_classic
+ * preserve 'l' labels in static executables
+ * sync section offsets and addresses in segments with command line addresses
- <rdar://problem/5714833> Can't build 64-bit Intel binaries with LTO
- <rdar://problem/5714787> ld64 fails to build with llvm-gcc-4.2
- * src/LLVMReader.hpp: Fix character count typo in strncmp call.
- Use const char * to initialize temp. string.
- * ld64.xcodeproj/project.pbxproj: use $(DEVELOPER_DIR) in header search construction
- instead of hard coding /Developer.
-
------ Tagged ld64-82.1
-2008-01-23 Nick Kledzik <kledzik@apple.com>
+-------- tagged ld64-114.2
+
+2010-03-13 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7751930> ld64-114 generates x86_64 kext external call sites with incorrect addend
+
+-------- tagged ld64-114.1
+
+2010-03-12 Nick Kledzik <kledzik@apple.com>
+
+ * Fix dyldinfo tool to correct show ordinal info for classic linkedit
+
+2010-03-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7748047> ld64-114 is causing read_only_reloc verification errors for ppc
+ * Update machochecker to check this.
+
+-------- tagged ld64-114
+
+2010-03-11 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7744174> i386 dylibs built with ld64-112 cause runtime errors when incorporated into the dyld shared cache
+ * Add -shared_region option to dyldinfo tool
+
+-------- tagged ld64-113
+
+2010-03-11 Nick Kledzik <kledzik@apple.com>
+
+ * Allow CPU_SUBTYPE_ARM_ALL .o files to be linked into any arm arch linkage
+
+2010-03-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7741238> ld64-112 with -undefined dynamic_lookup marks all symbols as being flat
+ * update test case at: unit-tests/test-cases/undefined-dynamic-lookup
+
+2010-03-10 Nick Kledzik <kledzik@apple.com>
+
+ * prevent possible crash in warning about can't export hidden symbols
+
+2010-03-10 Nick Kledzik <kledzik@apple.com>
- * src/MachOReaderRelocatable.hpp: don't bus error if S_LITERAL_POINTERS is missing relocs
+ * make sure split-info data is zero terminated
+
+-------- tagged ld64-112
+
+2010-03-09 Nick Kledzik <kledzik@apple.com>
+
+ * Never dead strip sections added with -sectcreate
+ * Added test case: unit-tests/test-cases/sectcreate-dead_strip
+
+
+-------- tagged ld64-111
+
+2010-03-03 Nick Kledzik <kledzik@apple.com>
+
+ * Add support for "-arch arm -force_cpusubtype_ALL" to keep gcc building
+
+2010-03-02 Nick Kledzik <kledzik@apple.com>
+
+ * Add some checking to the use of upward dylibs
+
+-------- tagged ld64-110
+
+2010-03-01 Nick Kledzik <kledzik@apple.com>
+
+ * Don't coalesce cstrings across segments
+
+2010-03-01 Nick Kledzik <kledzik@apple.com>
+
+ * Emulate previous linker bug where hidden symbols with dynamically-referenced
+ bit were promoted to global.
+ * Added test case: unit-tests/test-cases/unstrippable-symbols
+
+-------- tagged ld64-109.1
+
+2010-02-26 Nick Kledzik <kledzik@apple.com>
+
+ * Make sure building dyld results in a thread load command
+-------- tagged ld64-109
+
+2010-02-26 Nick Kledzik <kledzik@apple.com>
+
+ * Better sorting of zero-fill sections to preserve discovery order
+ * Zero out file offsets in dynamic symbol table entries that are not used
-2008-01-22 Nick Kledzik <kledzik@apple.com>
+2010-02-26 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5695496> ld uses 32-bits in some places to hold addresses when parsing 64-bit mach-o files
- * src/MachOReaderRelocatable.hpp: use AddrToAtomMap type that switch address to 64-bits for 64-bit archs
- * src/MachOWriterExecutable.hpp: verify BR14 does not overflow for external relocs
- * unit-tests/test-cases/relocs-c: update test case to slide addresses to verify x86_64 .o files
+ * Support pointer-diffs to zero sized atom in zero sized section
+2010-02-25 Nick Kledzik <kledzik@apple.com>
+
+ * Add support for -r mode with ppc64
+
+2010-02-25 Nick Kledzik <kledzik@apple.com>
+
+ * Handle multiple labels on the same coalesable literal by making an
+ atom for each label, each with the same content.
+ * Add test case: unit-tests/test-cases/literals-labels
------ Tagged ld64-82
+
+2010-02-25 Nick Kledzik <kledzik@apple.com>
+
+ * Handle old ppc .o files that have stubs to static functions
+
+2010-02-25 Nick Kledzik <kledzik@apple.com>
+
+ * Add basic ppc64 support
+
+2010-02-24 Nick Kledzik <kledzik@apple.com>
+
+ * Range check TOC entries in archives
+
+
+2010-02-23 Nick Kledzik <kledzik@apple.com>
+
+ * Fix spurious dylib re-export warnings that are just regular linkage cycles
+
+
+2010-02-23 Nick Kledzik <kledzik@apple.com>
+
+ * re-partition bits in mach_o::relocatable::Atom ivars to allow more functions per file
+
+
+2010-02-22 Nick Kledzik <kledzik@apple.com>
+
+ * re-partition bits in mach_o::relocatable::Atom ivars to allow more fixups per function
-2008-01-18 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5694612> Bad grammar used in ld warning: cannot exported hidden symbol
- * src/ld.cpp: fix typo in warning string
+2010-02-22 Nick Kledzik <kledzik@apple.com>
+
+ * Handle re-exported dylibs that are re-exported again
+ * Added test case: unit-tests/test-cases/re-export-layers
-2008-01-16 Nick Kledzik <kledzik@apple.com>
+2010-02-22 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5565074> Bundle Loader does not work anymore when loader is a bundle
- <rdar://problem/5590203> ld warns of incorrect architecture when linking a bundle to a bundle
- * src/MachOReaderDylib.hpp: support linking against bundles via -bundle_loader. Clean up error messages
- * unit-tests/test-cases/bundle_loader: update test case
-
+ * Properly handle X86_64_RELOC_SUBTRACTOR with non-external target symbol
-2008-01-16 Nick Kledzik <kledzik@apple.com>
+
+-------- tagged ld64-108
+
+2010-02-17 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7658740> ER: Support upward dylib dependencies
+ * Add test case: unit-tests/test-cases/dylib-upward
- <rdar://problem/5366363> ld -r -x creates debug notes (stabs) when it should not with -x (keep only global symbols)
- * src/Options.cpp: in reconfigureDefaults() if -r and -x then -S
+
+2010-02-17 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7401775> ld(1) man page typo
+ * <rdar://problem/7230340> Linker (ld) man page typo: "unredable" in -pagezero_size option description
+ * <rdar://problem/7207483> Typo in ld(1) man page, "-x" option
+ * <rdar://problem/6239264> man ld: Change "if" -> "is"
+ * <rdar://problem/7393216> DOC: ld(1) mentions -dynamiclib when it means -dylib
-2008-01-16 Nick Kledzik <kledzik@apple.com>
+2010-02-17 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7625461> Wordsmith ld warning about missing directories
- <rdar://problem/5566068> if ld crashes while writing output file, it should delete the half written file
- * src/MachOWriterExecutable.hpp: wrap open/write/close in try block and add signal handlers all to delete
- output file on failure.
+
+2010-02-17 Nick Kledzik <kledzik@apple.com>
+
+ * Fix -umbrella to work when umbrella is a dylib instead of a framework
+ * Add test case: unit-tests/test-cases/umbrella-dylib
-2008-01-16 Devang Patel <dpatel@apple.com>
+-------- tagged ld64-107
+
+2010-02-16 Nick Kledzik <kledzik@apple.com>
- * src/LLVMReader.hpp: Use __gnu_cxx::hash_map instead of hash supported by LLVM.
+ * Fix bugs with -preload
-2008-01-16 Nick Kledzik <kledzik@apple.com>
+2010-02-16 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5593537> GC-supported library can't be linked into GC-required executable
- * src/ld.cpp: loosen constraint that all objc code must be compiled with same GC settings and
- allow gc-compatible code to be linked into anything.
- * unit-tests/test-cases/objc-gc-checks: update test case
+ * Fix dylib re-export cylce detection
-2008-01-15 Nick Kledzik <kledzik@apple.com>
+2010-02-16 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5687976> no debug notes for custom named data
- * src/ld.cpp: in synthesizeDebugNotes() check getSymbolTableInclusion() instead of for leading underscore
- * unit-tests/test-cases/dwarf-debug-notes: update test case
+ * <rdar://problem/6018216> -ObjC not pulling in members with categories only
+ * scan for non-zero __objc_catlist section in archive members when -ObjC is used
+ * Added test case: unit-tests/test-cases/objc-category-archive
------ Tagged ld64-81.5
+
+2010-02-15 Nick Kledzik <kledzik@apple.com>
-2008-01-14 Devang Patel <dpatel@apple.com>
+ * <rdar://problem/7398610> ld glibly removes /dev/null
- <rdar://problem/5683813> llvm-gcc-4.2 fails to build Sqlite 3.5.4 with -O4
- * src/LLVMReader.hpp: Resolve proxy references. Collect new unbounded references
- after optimization.
- * src/ld.cpp: Resolve additional unbounded references after optimization.
+2010-02-15 Nick Kledzik <kledzik@apple.com>
-2008-01-14 Nick Kledzik <kledzik@apple.com>
+ * <rdar://problem/7196255> Linker should be able to validate GC intentions
+ * Add -objc_gc and -objc_gc_only. Error when used and RR based .o file is linked in
+ * Update test case: unit-tests/test-cases/objc-gc-checks
- <rdar://problem/5655246> PPC Leopard (Xcode 3.0) linker ld gets "Bus error" sometimes
- * src/MachOReaderRelocatable.hpp: use same code as x86 to parse ppc and arm sect-diff relocs
- * src/MachOWriterExecutable.hpp: use same code as x86 to write ppc and arm sect-diff relocs
-
-2008-01-11 Nick Kledzik <kledzik@apple.com>
+2010-02-15 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5637618> PPC Leopard (Xcode 3.0) linker ld reports "unknown scattered relocation type 4"
- * src/MachOReaderRelocatable.hpp: add PPC_RELOC_HI16 to scattered reloc parsing
- * unit-tests/test-cases/relocs-asm/relocs-asm.s: added tests for scattered hi/lo instructions
+ * <rdar://problem/7421695> Linker should provide a way to mark binaries that support compaction
+ * Added -objc_gc_compaction option
+ * Update test case: unit-tests/test-cases/objc-gc-checks
-2008-01-11 Nick Kledzik <kledzik@apple.com>
+2010-02-15 Nick Kledzik <kledzik@apple.com>
- * doc/man/man1/ld.1: add doc for -no_implicit_dylibs, -read_only_stubs, -slow_stubs, -interposable_list
-
+ * <rdar://problem/7546367> ER: Need a way to detect weak exports in dev tools
+ * implement -warn_weak_exports
+
+2010-02-15 Nick Kledzik <kledzik@apple.com>
+
+ * Add support for LD_DYLD_PATH
+
+
+2010-02-15 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7636072> cfstring backing store points to global cstring
+ * Force all by-name references in cfstring to be direct references
+ * add test case: unit-tests/test-cases/cfstring-and-cstring
-2008-01-11 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/4800212> ld64(1) man page uses ambiguous term "suffix"
- * doc/man/man1/ld.1: make meaning of "suffix" more explicit
+-------- tagged ld64-106
+
+2010-02-12 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7644673> Assertion failed: when class is translation unit scoped
+ * added test case unit-tests/test-cases/objc-visibility
-2008-01-11 Nick Kledzik <kledzik@apple.com>
+2010-02-12 Nick Kledzik <kledzik@apple.com>
+
+ * <rdar://problem/7644828> crash with missing crt?
- <rdar://problem/5633081> Obj-C Symbols in Leopard Can't Be Weak Linked
- * src/MachOWriterExecutable.hpp: set weak and lazy attributes on dummy .objc_class_name undefines
- to dylibs to support Mac OS X 10.3.x dyld
-
-2008-01-11 Nick Kledzik <kledzik@apple.com>
+2010-02-12 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5669751> Unknown error with linker (dyld: unknown external relocation type)
- * src/ld.cpp: fix crash when SO stabs are not balanced
+ * Suppress indirect symbol table in static executables
-2008-01-11 Devang Patel <dpatel@apple.com>
+2010-02-12 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5667433> LTO does not work if expected output is a dynamic library
- * src/LLVMReader.hpp: Supply arguments describing output kind to optimizer. Communicate
- visibility info.
+ * Rework CIE parsing to work with icc generated code
-2000-01-10 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5680988> __cls_refs section is losing S_LITERAL_POINTERS section type
- * src/MachOWriterExecutable.hpp: special case __cls_refs section
- * unit-tests/test-cases/objc-literal-pointers: add test case
+2010-02-11 Nick Kledzik <kledzik@apple.com>
+ * Fix creation of debug notes
+ * Tweak unit-tests/test-cases/dwarf-debug-notes to match llvm symbol layout
-2008-01-03 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5667688> wrong EH information might be used
- Created new kGroupSubordinate reference kind to model group comdat. The "signature" atom
- has kGroupSubordinate references to the other atoms in the group. If the signature atom
- is coalesced away, the linker follows kGroupSubordinate references and throws away the
- other members of the group.
- * unit-tests/test-cases/eh-coalescing: added test case
- * src/ld.cpp: added markDead() and use propagate to subordinates
- * src/Architectures.hpp: added kGroupSubordinate
- * src/MachOReaderRelocatable.hpp: add kGroupSubordinate reference from a function to its .eh atom
- and if used, from .eh atom to its LSDA atom.
- * src/MachOWriterExecutable.hpp: handle kGroupSubordinate like kNoFixUp
+2010-02-11 Nick Kledzik <kledzik@apple.com>
------ Tagged ld64-81.4.1
+ * Don't assert when infering ppc subtype that is ALL.
+ * Fix spurious warning about mismatched subtypes, when subtype is inferred
-2007-12-19 Devang Patel <dpatel@apple.com>
- * src/LLVMReader.hpp: Add LLVM_LTO_VERSION #ifdef check.
-
-2007-12-19 Devang Patel <dpatel@apple.com>
+-------- tagged ld64-105
+
+2010-02-11 Nick Kledzik <kledzik@apple.com>
+
+ * Use symbolic constants for bit field sizes
+
- * src/LLVMReader.hpp: Add fOptimizer NULL check before calling printVersion().
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Handle out of order sections in .o files
+
+
+-------- tagged ld64-104
+
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Rename __tentative internal section name to __comm/tent to sort like __common
+ * Fix test case in unit-tests/test-cases/tentative-to-real-r
+
+
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Better warning messages about mismatched architectures
-2007-12-19 Devang Patel <dpatel@apple.com>
- <rdar://problem/5655956> print LLVM LTO version number in verbose mode
- * src/LLVMReader.hpp: Add printLLVMVersion() to print llvm version string in verbose mode.
- * src/Options.cpp: Use printLLVMVersion() in verbose mode.
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Gracefully ignore if there are >8000 line info per function in debug info
+
+
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Properly handle when regular definition is weak_imported
+ * Add unit-tests/test-cases/weak_import-local
-2007-12-19 Devang Patel <dpatel@apple.com>
- <rdar://problem/5655956> print LLVM LTO version number in verbose mode
- * src/Options.h: Add verbose() method to check fVerbose flag.
- * src/LLVMReader.hpp: Print LLVM version string in verbose mode.
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Don't try to coalesce zero length cstrings in mach-o parser.
+
+
+2010-02-10 Nick Kledzik <kledzik@apple.com>
+
+ * Add work around for llvm using L labels for backing string of CFString with -fwritable-strings
------ Tagged ld64-81.4
-2007-12-18 Devang Patel <dpatel@apple.com>
+2010-02-09 Nick Kledzik <kledzik@apple.com>
+
+ * Ignore labels in __gcc_except_tab section
+ * Properly apply local relocations to __eh_frame section so CFI parser works
+ * Update unit-tests/test-cases/eh-stripped-symbols to reproduce problem
+
+
+2010-02-09 Nick Kledzik <kledzik@apple.com>
+
+ * Fix file offset computation with large zero-fill sections
+
+
+2010-02-09 Nick Kledzik <kledzik@apple.com>
+
+ * Force global 'l' to be hidden
+ * Add test case with objc properties: unit-tests/test-cases/objc-properties
+
- * src/LLVMReader.hpp: Invalidate input architecture when optimizer is not available.
+-------- tagged ld64-103
------ Tagged ld64-81.3
+2010-02-04 Nick Kledzik <kledzik@apple.com>
-2007-12-17 Nick Kledzik <kledzik@apple.com>
+ * Temporarily change assert() to call exit(1) instead of abort()
- * ld64.xcodeproj/project.pbxproj: remove extraneous header search paths
+
+2010-02-04 Nick Kledzik <kledzik@apple.com>
+
+ * Fix another case in -r mode where the vmsize was less that filesize
+
+2010-02-04 Nick Kledzik <kledzik@apple.com>
+
+ * Fix assert when generating GSYM stab debug notes
+
+
+2010-02-04 Nick Kledzik <kledzik@apple.com>
-2007-12-17 Devang Patel <dpatel@apple.com>
+ * Add SRCROOT to crash logs
- * src/LLVMReader.hpp: Do not throw exception if LLVMReader is not able to
- dlopen LTO library. Instead just flag input file as an invalid LLVM bitcode file.
+2010-02-04 Nick Kledzik <kledzik@apple.com>
-2007-12-14 Nick Kledzik <kledzik@apple.com>
+ * Remove architectureName() from InputFiles
- <rdar://problem/5645908> gcc DejaGnu failure: gcc.dg/20020312-2.c (test for excess errors) (-fstack-protector-all)
- * src/MachOWriterExecutable.hpp: fix Writer<x86>::generatesExternalTextReloc() to allow text relocs
- * unit-tests/test-cases/read-only-relocs: updated test case to link a dynamic main executable compiled with -static
+-------- tagged ld64-102
-2007-12-14 Devang Patel <dpatel@apple.com>
+2010-02-03 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/5648438> Enable Link Time Optimization in Opal
- * src/LLVMReader.hpp: Locate LLVMlto.dylib relative to ld location in Developer folder.
- * ld64.xcodeproj/project.pbxproj: Add {DEVELOPER_DIR}/usr/include in header search path.
- * unit-tests/run-all-unit-tests: Set DYLD_FALLBACK_LIBRARY_PATH to find LLVMlto.dylib during unit testing.
- * unit-tests/testcases/llvm-integration/Makefile: Point LLVMGCC and LLVMGXX to llvm-gcc-4.2 in Developer folder during unit testing.
-
-
-2007-12-13 Nick Kledzik <kledzik@apple.com>
+ * Add follow-on reference from symbol text atom to non-symboled text atom
- <rdar://problem/5645446> SWB: failures due to ld: pointer in read-only segment not allowed in slidable image, used in ...
- * src/MachOReaderRelocatable.hpp: in Reader<x86>::addRelocReference() handle weak pc-rel 32-bit vanilla relocs properly
+
+-------- tagged ld64-101
+
+2010-01-29 Nick Kledzik <kledzik@apple.com>
+
+ * fix -alias symbols to be global by default
------ Tagged ld64-81.2
+-------- tagged ld64-100
+
+2010-01-28 Nick Kledzik <kledzik@apple.com>
+
+ * Merge new/refactored linker to trunk
+
projects / apple / ld64.git / blobdiff