+----- Tagged ld64-77
+
+2007-07-3 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5351380> Kernel is linked with some global symbols unsorted
+ * src/MachOWriterExecutable.hpp: Add NListNameSorter to allow global atoms and extra labels to be sorted
+
+
+2007-07-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5254468> Can't do objc_msgSendSuper dispatches after loading a Fix&Continue bundle
+ * src/MachOWriterExecutable.hpp: when calculating what kind of reloc to use, never use an
+ external reloc to reference 32-bit ObjC symbols.
+
+
+2007-07-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5349847> Runtime crash with ICC math library on Leopard
+ * src/MachOReaderRelocatable.hpp: detect if section starts with a symbol that is not
+ aligned to section and correct it.
+
+
+----- Tagged ld64-76
+
+2007-06-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5303718> export hiding does not work for frameworks
+ * src/MachOReaderDylib.hpp: fix checks in isPublicLocation()
+ * unit-tests/test-cases/symbol-moving: update to test frameworks as well as dylibs
+
+
+2007-06-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5299907> linker should use undefines from flat dylibs when linking a main flat
+ * src/ObjectFile.h: added fLinkingMainExecutable
+ * src/Options.cpp: set up fLinkingMainExecutable
+ * src/MachOReaderDylib.hpp: when linking a main executable for flat namespace, the reader for
+ any loaded flat namespace dylib will have a new atoms that has references to all undefined
+ symbols in the dylib
+ * unit-tests/test-cases/flat-indirect-undefines: added test case
+ * doc/man/man1/ld.1: update man page to describe when dylib undefines are used
+
+
+2007-06-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5277857> OpenGL.framework and X11 both have a libGL.dylib which can cause ld to segfault if both are found
+ * src/MachOReaderDylib.hpp: add assertNoReExportCycles() method
+ * unit-tests/test-cases/dylib-re-export-cycle: added test case
+
+
+2007-06-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5286462> ld64 has slightly different warning message formats than the old ld
+ * src/ld.cpp: standardize all warning messages to start with "ld: warning"
+ * src/MachOWriterExecutable.hpp: ditto
+ * src/MachOReaderRelocatable.hpp: ditto
+ * src/MachOReaderDylib.hpp:ditto
+
+
+2007-06-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5297034> -dead_strip can cause duplicate external commons
+ * src/ld.cpp: don't use discarded coalesced global atoms as dead strip roots
+ * src/machochecker.cpp: error if duplicate external symbols
+ * unit-tests/test-cases/commons-coalesced-dead_strip: added test case
+
+
+2007-06-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4135857> update man page that linker does not search indirect libraries with two-level namespace
+ * doc/man/man1/ld.1: add new "Indirect dynamic libraries" section to man page
+
+
+2007-06-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5285473> Xc9A466: Exports file cannot use Mac line ends
+ * src/Options.cpp: check for \r or \n when parsing .exp files
+ * unit-tests/test-cases/exported_symbols_list-eol: added test case
+
+
+----- Tagged ld64-75
+
+2007-05-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4607755> Simplier, generalized way to re-export dylibs: LC_REEXPORT_DYLIB
+ * src/MachOWriterExecutable.hpp: Use LC_REEXPORT_DYLIB when targetting 10.5
+
+
+----- Tagged ld64-74.5
+
+2007-05-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5241902> set OSO timestamp to zero for when building in buildit
+ * src/ld.cpp: check for RC_RELEASE and if exists set all OSO timestamps to zero
+
+
+2007-05-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5224676> BUILD_STABS now causes ld of xnu to bus error
+ * src/ld.cpp: Change || to && in collectStabs()
+
+
+----- Tagged ld64-74.4
+
+2007-05-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5211667> static probes don't work with libraries in dyld shared cache
+ * src/OpaqueSection.hpp: the __TEXT segment is executable
+
+
+----- Tagged ld64-74.3
+
+2007-05-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5201463> ppc: linker adds stubs to cstring references
+ * src/MachOWriterExecutable.hpp: update ppc stubableReference() to only allow high/low references
+ to be stubed if they reference a symbol in some other dylib.
+ * unit-tests/test-cases/stub-generation: added test case
+
+
+2007-05-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5008421> ppc64: need to make LOCAL indirect symbol table entry for now local symbol
+ * src/MachOWriterExecutable.hpp: factored local tests into indirectSymbolIsLocal()
+ * unit-tests/test-cases/non-lazy-r: added test case
+
+
+2007-05-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5198807> ld64 drops fix&continue bit in __OBJC, __image_info.
+ * src/MachOReaderRelocatable.hpp: implement objcReplacementClasses()
+
+
+2007-05-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5066152> support __image_info in __DATA segment for 64-bits
+ * src/MachOReaderRelocatable.hpp: use strncmp() for __objc_imageinfo since it is 16 bytes long
+ * src/MachOWriterExecutable.hpp: specialize segment/section names for synthesized objc image info section
+
+
+2007-05-15 Nick Kledzik <kledzik@apple.com>
+
+ * unit-tests/include/common.makefile: set COMPILER_PATH so harness works with latest compiler
+
+
+----- Tagged ld64-74.2
+
+2007-05-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5195447> ld64-74.1 breaks libstdc++ DejaGnu test (G5 only)
+ * src/MachOWriterExecutable.hpp: don't stub a reference if the target offset is non-zero
+
+
+----- Tagged ld64-74.1
+
+2007-05-09 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.h: add emitWarnings()
+ * src/Options.cpp: wire up -w to emitWarnings()
+
+
+2007-05-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5137285> ld64 won't link wine (regression from Tiger)
+ * src/Architectures.hpp: add x86::kPointerDiff16 and x86::kPCRel16
+ * src/MachOReaderRelocatable.hpp: add support to parse new relocs
+ * src/MachOWriterExecutable.hpp: add support fo new relocs
+
+
+2007-05-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5182537> need way for ld and dyld to see different exported symbols in a dylib
+ * src/MachOReaderDylib.hpp: update parse and use $ld$ symbols
+ * src/Options.h: move VersionMin to ReaderOptions
+ * src/ObjectFile.h: move VersionMin to ReaderOptions
+ * src/Options.cpp: move VersionMin to ReaderOptions
+ * src/MachOWriterExecutable.hpp: move VersionMin to ReaderOptions
+ * unit-tests/test-cases/symbol-moving: added test case
+
+
+2007-05-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5181105> typo in error message for linking -pie
+ * src/MachOWriterExecutable.hpp: fix typo in error messages
+
+
+----- Tagged ld64-74
+
+2007-05-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5171880> ld64 can't find @executable _path relative dylibs from our umbrella frameworks
+ <rdar://problem/4019497> ld64 should handle linking against dylibs that have @loader_path based dylib load commands
+ * src/ObjectFile.h: add from parameter to findDylib()
+ * src/MachOReaderDylib.hpp: supply from parameter to findDylib()
+ * src/ld.cpp: use from parameter for @loader_path substitution in findDylib()
+ * unit-tests/test-cases/re-export-relative-paths: added test case
+
+
+2007-05-02 Nick Kledzik <kledzik@apple.com>
+
+ * src/ObjectFile.h: add fLogObjectFiles and fLogAllFiles
+ * src/Options.cpp: hook up -t to fLogAllFiles and -whatsloaded to fLogObjectFiles
+ * src/MachOReaderDylib.hpp: log if fLogAllFiles
+ * src/MachOReaderRelocatable.hpp: log if fLogObjectFiles or fLogAllFiles
+ * src/MachOReaderArchive.hpp: log if fLogAllFiles
+ * doc/man/man1/ld.1: update man page
+
+
+2007-05-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5177848> typo in message, frameowrk
+ * src/Options.cpp: fix typo
+
+
+2007-05-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4977301> "ld" man page is missing the description for many options
+ * doc/man/man1/ld.1: add documentation on all obsolete options
+
+
+2007-05-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5113424> ld doesn't handle -mlong-branch .o files that have had local symbols stripped
+ <rdar://problem/4965359> warning about dwarf line info with -mlong-branch
+ * src/MachOReaderRelocatable.hpp: don't lop -mlong-branch stubs off end of functions
+ * src/MachOWriterExecutable.hpp: allow code references besides BR24 to be stubable
+
+
+2007-04-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5065659> unable to link VTK because __textcoal_nt too large
+ * src/MachOReaderRelocatable.hpp: when doing a final link map __textcoal_nt to __text
+
+
+2007-04-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5062685> ld does not report error when -r is used and exported symbols are not defined.
+ <rdar://problem/4637139> ld leaves global common symbols not in exported symbols list.
+ * src/ld.cpp: stop special casing -r mode in checkUndefines()
+ * src/MachOWriterExecutable.hpp: don't create proxy atom in -r mode if it is supposed to be exported.
+ mark tentative definitions are private extern in -r mode even without -keep_private_externs
+ * unit-tests/test-cases/exported_symbols_list-r: added test case
+
+
+2007-04-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5137732> ld should keep looking when it finds a weak definition in a dylib
+ * src/ld.cpp: modified addJustInTimeAtoms() to keep looking when a weak defintion is found
+ * unit-tests/test-cases/weak-def-ordinal: added test case
+
+
+2007-04-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5166572> better error message for indirect dylibs missing required architecture
+ * src/ld.cpp: when loading indirect dylib add path to error messages
+
+
+2007-04-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5109373> the i386 slice of dyld does not need __IMPORT segment
+ * src/ObjectFile.h: add fForDyld
+ * src/Options.cpp: set up fForDyld
+ * src/MachOReaderRelocatable.hpp: if fForDyld, change __IMPORT segment to __DATA
+ * src/MachOWriterExecutable.hpp: recognize __DATA/__pointers in dyld as a non-lazy section
+
+
+2007-04-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5008421> ppc64: need to make LOCAL indirect symbol table entry for now local symbol
+ * src/MachOWriterExecutable.hpp: use INDIRECT_SYMBOL_LOCAL for any non-global symbol
+ * unit-tests/test-cases/strip_local: update test case
+
+
+2007-04-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5150407> ld64 -sectorder and -order_file files don't accept white space following the :
+ * src/Options.cpp: prune white space after colon and before symbol name
+ * unit-tests/test-cases/order_file: update test case to have a space after the colon
+
+
+2007-04-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5055233> ld64 corrupts debug symbol table entries, nm doesn't print them
+ * src/MachOWriterExecutable.hpp: properly set ilocalsym in module table
+
+
+2007-04-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5066152> support __image_info in __DATA segment for 64-bits
+ * src/MachOReaderRelocatable.hpp: look for new objc info section name too
+
+
+2007-04-24 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: fix -non_global_symbols_strip_list to work with -r
+ * unit-tests/test-cases/local-symbol-partial-stripping: update test case
+
+
+
+----- Tagged ld64-73.7
+
+2007-05-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5194804> can't use dtrace static probes in x86_64 dylib
+ * src/MachOWriterExecutable.hpp: x86_64:kPointerDiff32 is ok in shared region
+ * unit-tests/test-cases/dtrace-static-probes: update to build dylib too
+
+
+2007-05-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5191610> 9A430: using -dead_strip with static dtrace probes causes ld to crash
+ * src/ld.cpp: fix markLive() to look at right name in dtrace probe refernce
+ * unit-tests/test-cases/dtrace-static-probes: added -dead_strip case
+
+
+----- Tagged ld64-73.6
+
+2007-04-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5140897> Add options to do partial stripping of local symbols
+ * src/MachOWriterExecutable.hpp: use fOptions.keepLocalSymbol()
+ * src/Options.cpp: implement -non_global_symbols_no_strip_list and -non_global_symbols_strip_list
+ * src/Options.h: replace stripLocalSymbols() with localSymbolHandling() and keepLocalSymbol()
+ * doc/man/man1/ld.1: document -non_global_symbols_no_strip_list and -non_global_symbols_strip_list
+ * unit-tests/test-cases/local-symbol-partial-stripping: added test case
+
+
+----- Tagged ld64-73.5
+
+2007-04-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5129379> ld64-73.3 XBS logging incorrectly reporting "direct" dynamic libraries
+ * src/ld.cpp: restore direct vs indirect library for LD_TRACE_DYLIBS logging
+
+
+2007-04-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5067034> data initialized to a weak imported symbol is missing relocation
+ * src/MachOWriterExecutable.hpp: check for A::kPointerWeakImport in buildExecutableFixups()
+ * unit-tests/test-cases/weak_import: updated test case to catch this problem
+
+
+2007-04-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5071047> Support -U
+ * src/MachOWriterExecutable.hpp: create proxies for -U symbols
+ * src/Options.cpp: process -U
+ * src/Options.h: add allowedUndefined() and someAllowedUndefines()
+ * src/ld.cpp: create proxies for -U symbols
+ * doc/man/man1/ld.1: document -U and -undefined options
+ * unit-tests/test-cases/undefined-dynamic-lookup: added test case
+
+
+----- Tagged ld64-73.4
+
+2007-04-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5125280> ld changes needed to support read-only DOF
+ * src/Options.cpp: remove -read_only_dof
+ * src/Options.h: remove fReadOnlyDOFs
+ * src/ld.cpp: only generate read-only DOF sections
+
+
+----- Tagged ld64-73.3.1
+
+2007-04-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5130496> -framework vecLib -framework Accelerate causes bad ordinals
+ * src/MachOWriterExecutable.hpp: fix bug optimizeDylibReferences() when there are two readers with same install name
+
+
+----- Tagged ld64-73.3
+
+2007-04-03 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: read-only-dofs should use 32-bit offsets for x86_64
+ * src/MachOReaderDylib.hpp: if "public" re-export is not marked implict, still mark it as re-exported
+
+
+2007-04-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5105971> if replacement file for -dylib_file is missing, warn instead of error
+ * src/ld.cpp: a try/catch to turn -dylib_file error into a warning.
+ * unit-tests/test-cases/dylib_file-missing: add test case
+ * doc/man/man1/ld.1: update man page about -dead_strip_dylibs
+
+
+----- Tagged ld64-73.2
+
+2007-03-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5102873> ld64-73: atom sorting error with duplicate zero sized bss symbols
+ * src/MachOReaderRelocatable.hpp: suppress warning on sorting zero size zero fill atoms
+
+2007-03-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5102845> ld64-73 fails anything linking with -lm
+ * src/ld.cpp: when processing dylbs that are sylinks ensure that fDylibMap contains all paths
+ * src/MachOWriterExecutable.hpp: when dead stripping dylibs and renumbering ordinals make sure
+ aliases dylib get renumbered too
+ * unit-tests/test-cases/dylib-aliases: added
+
+
+----- Tagged ld64-73.1
+
+2007-03-30 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: back out use of LC_REEXPORT_DYLIB until rdar://problem/5009909 is in build fleet
+
+
+----- Tagged ld64-73
+
+2007-03-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4175790> ER: -dead_strip_dylibs
+ <rdar://problem/3904828> linker should add implicit load commands for indirectly used public dylibs
+ * src/ObjectFile.h: change dylib reader interface to implictly/explicitlyLinked
+ * src/ld.cpp: use new dylib reader interface
+ * src/Options.h: add deadStripDylibs()
+ * src/Options.cpp: support -dead_strip_dylibs
+ * src/MachOReaderDylib.hpp: use new dylib reader interface
+ * src/MachOWriterExecutable.hpp: remove dylib load commands for unused dylibs and alter ordinals
+ * unit-tests/test-cases/re-export-optimizations: added
+ * unit-tests/test-cases/dead_strip_dylibs: added
+
+
+2007-03-30 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: enable -lfoo to search for libfoo.so as well as libfoo.dylib,
+ remove seg addr table hack for transitioning to new linker
+
+2007-03-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5073800> ADOBE XCODE3: Linker is slow with large C++ .o files
+ * src/MachOReaderRelocatable.hpp: the compiler generates stubs to weak functions in the
+ same translation unit. Don't treat those like the spurios stubs to static functions.
+
+
+2007-03-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4739044> ld64 should link mach_kernel during xnu builds to support dtrace
+ * src/MachOReaderRelocatable.hpp: To handle duplicate labels properly, rework how atoms sizes are set
+ by iterating through sorted fAtoms rather than fAddrToAtom, . Change default alignment of commons
+ to be the natural alignment of the size rounded up to the closest power of two and max it at 12.
+ Build atoms in reverse symbol table order so that global atoms are constructed before locals.
+ This assures that if there is a global and local label at the same location, the global label
+ will become the atom's name and the local will be an alias. Properly handle a label
+ at the end of a section. Handle R_ABS in relocations. Handle sect-diff relocs with addends.
+ Don't auto-strip 'l' symbols in static executables (mach_kernel).
+ * src/OpaqueSection.hpp: opaque_section now has an ordinal
+ * src/ld.cpp: opaque_section now requires an ordinal
+ * src/ObjectFile.h: add ReaderOptions.fForStatic
+ * src/Options.cpp: set fForStatic when building a static executable
+ * src/MachOWriterExecutable.hpp: add from atom to StubAtom<ppc>. Properly write out i386
+ sect-diff relocs with addends. properly write out ppc PICbase relocs where pic base
+ is not in the atom.
+
+
+2007-03-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5085863> Typo in ld man page (-exported_symbols_list)
+ * doc/man/man1/ld.1: fix typo
+
+
+2007-03-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4727750> consider generating LC_UUID from a checksum of the file
+ * src/Options.h: change emitUUID() to getUUIDMode()
+ * src/Options.cpp: support -random_uuid
+ * src/MachOWriterExecutable.hpp: set uuid to be md5 hash of entire output file
+
+
+2007-03-24 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: restructure writeAtoms() to copy all atoms in memory if possible
+
+
+2007-03-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5082603> ld -r of stripped .o file can incorrectly merge non-lazy pointers
+ * src/MachOWriterExecutable.hpp: when generating a .o file, non-lazy pointer with target offsets should be
+ encoded as LOCAL in the indirect symbol table
+ * unit-tests/test-cases/stripped-indirect-symbol-table: added test case
+
+
+2007-03-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5084564> SWB: ld64-72 errors building with gcc-4.2
+ * src/MachOReaderDylib.hpp: add curly brackets in switch cases
+ * src/MachOWriterExecutable.hpp: rearrange classes so there are no template specialization forward references
+
+
+2007-03-23 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: fix -print_statistics when using -dead_strip
+
+
+2007-03-23 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: generate better names for non-lazy pointers to the interior of atoms
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: speed up ld -r a little by reversing relocs en mas
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4975277> ld Bus Error on missing command line arguments
+ * src/Options.cpp: check next argv[] is not NULL
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4832049> need to be able to order symbols in anonymous namespaces
+ * src/ld.cpp: add logic to do fuzzy matching of symbols with anonymous namespace usage
+ * unit-tests/test-cases/order_file-ans: added test case
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5042552> headerpad_max_install_names deprecated for 64-bit
+ * src/ld.cpp: make sure dylib load command order matches command line order
+ * src/Options.h: add maxMminimumHeaderPad()
+ * src/Options.cpp: add maxMminimumHeaderPad() set by -headerpad_max_install_names
+ * src/src/MachOWriterExecutable.hpp: check maxMminimumHeaderPad()
+ * doc/man/man1/ld.1: update man page about -headerpad_max_install_names
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4592484> Linker returns success although exported symbols are undefined.
+ * src/ld.cpp: turn missing symbols back into an error
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4019497> ld64 should handle linking against dylibs that have @loader_path based dylib load commands
+ * unit-tests/test-cases/loader_path: added test case
+
+
+2007-03-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3904828> linker should add implicit load commands for indirectly used public dylibs
+ <rdar://problem/4142277> Indirect libraries should be found using -F and -L options
+ <rdar://problem/4607755> Simplier, generalized way to re-export dylibs: LC_REEXPORT_DYLIB
+ * src/ld.cpp: reworked all dylib processing. Readers can now add the dylib list.
+ * src/Options.h: add findFileUsingPaths()
+ * src/MachOReaderDylib.hpp: look in re-exported children instead of requring linker to do that
+ * src/ObjectFile.h: add processIndirectLibraries(), remove getDependentLibraryPaths()
+ * src/machochecker.cpp: support LC_REEXPORT_DYLIB
+ * src/ExecutableFile.h: simplify DyLibUsed
+ * src/Options.cpp: add findFileUsingPaths(). add new re-export options
+ * src/MachOWriterExecutable.hpp: Use LC_REEXPORT_DYLIB when targetting 10.5
+ * doc/man/man1/ld.1: updated with new re-export options
+ * unit-tests/test-cases/indirect-path-search: added tests that -F and -L work with indirect dylibs
+ * unit-tests/test-cases/re-export-cases: added tests for all combinations of re-exporting
+
+
+2007-03-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4982400> sort external relocations to optimize dyld performance
+ * src/MachOWriterExecutable.hpp: added ExternalRelocSorter
+ * src/machochecker.cpp: verify external relocations are grouped by symbol number
+ * unit-tests/test-cases/external-reloc-sorting: added test case
+
+
+----- Tagged ld64-72
+
+2007-03-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: ignore .objc_category_name_* symbols in .exp files
+
+
+2007-03-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: stop special casing mach_kernel and instead requre kernel to be built with -new_linker
+
+
+2007-03-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5044253> ld64-72 (experimental) is causing DejaGnu test failures
+ * src/MachOWriterExecutable.hpp: add optimizableGOTReferenceKind() to track GOT uses that cannot be optimized
+
+
+2007-03-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5026135> minimum header padding should be 32 to allow code signing
+ * src/Options.cpp: initialize fMinimumHeaderPad to 32
+ * src/MachOWriterExecutable.hpp: better calculation of header padding
+
+
+2007-03-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5033206> Linker crashes with -flat_namespace against two-level dylibs that might have re-exports
+ * src/ld.cpp: flat namespace should not allow NULL indirect readers
+
+
+2007-03-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: don't error on S_COALESCED sections with anonymous atoms
+ * src/MachOWriterExecutable.hpp: set MH_PIE bit when linking -pie
+ * ld64.xcodeproj/project.pbxproj: don't echo environment when running unit test
+
+
+2007-03-01 Nick Kledzik <kledzik@apple.com>
+
+ * doc/man/man1/ld.1: Add descriptions to all "rarely used options"
+
+
+2007-03-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4971033> Remove support for Essential Symbols: Warn about use of -Sp option; remove man page entry
+ * src/Options.cpp: make -Sp obsolete
+ * doc/man/man1/ld.1: make -Sp obsolete
+
+
+2007-03-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5040314> Support -pie
+ * src/Options.h: Add positionIndependentExecutable()
+ * src/Options.cpp: Support -pie option to set positionIndependentExecutable()
+ * src/MachOWriterExecutable: if -pie is used, add extra local relocations and error if any
+ absolute addressing is used
+
+
+2007-03-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4739044> ld64 should link mach_kernel during xnu builds to support dtrace
+ * src/ld.cpp: Ensure segments are laid out in discovery order. Add support for kAbsoluteSymbol.
+ Warn when merging symbols of different visiblity. Warn when a tentative definition
+ is replaced by one a real definition with a smaller size. Lay out __common section
+ so that ones built with -fno-commons come before regular commons.
+ * src/ObjectFile.h: remove SegmentOffset ivar and getter/setters
+ * src/machochecker.cpp: allow images with no r/w segments
+ * src/MachOReaderRelocatable: Add AbsoluteAtom. Sort tentative definitions by name instead of by size
+ Add support for custom commons alignment.
+ * src/Options.cpp: Fix spurious -sectalign warnings. Don't use ld_classic when linking mach_kernel
+ * src/MachOWriterExecutable.hpp: Support kAbsoluteSymbol atoms. In -r mode, set custom alignment
+ for commons if alignment is not its size. Support global __dtrace_probe labels.
+ * src/ObjectDump.cpp: add support for kAbsoluteSymbol atoms.
+ * unit-tests/test-cases/commons-alignment: Added test case for custom commons alignment
+ * unit-tests/test-cases/absolute-symbol: Added test case for basic absolute symbols
+ * unit-tests/test-cases/segment-order: Added test case that segments lay out in discovery order
+ * unit-tests/test-cases/commons-order: Added test case that commons lay out correctly
+ * unit-tests/test-cases/end-label: Added test case that a label used to mark the end of a section does not
+ get associcated with the next section.
+
+
+2007-02-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3965017> gcc-5005: DejaGnu failures due to -frepo
+ * src/ld.cpp: Add quotes to referenced from name to make collect2 and -frepo happy
+
+
+2007-02-22 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: rework how padding after load commands is calculated
+
+
+2007-02-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: extend special case of __mh_execute_header to static executables too
+
+
+2007-02-21 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3882294> gcc link map option ( "-M" ) should be redirectable to file
+ * doc/man/man1/ld.1: added -map option description
+ * src/Options.h: added generatedMapPath()
+ * src/Options.cpp: set up generatedMapPath() if -map option is used
+ * src/MachOWriterExecutable.hpp: add writeMap() method to generate map file
+
+
+2007-02-19 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4557734> Implement GOT Load elimination optimization
+ * src/ld.cpp: track size of all atoms and if > 2GB sort large zero-fill atoms to end
+ * src/MachOWriterExecutable.hpp: If image size < 2GB, only generate GOT entries if value must be
+ updatable by dyld. If > 2GB, only eliminate GOT entries to non-zero-fill atoms. Any use
+ of an eliminated GOT entry has its code changed from MOVQ _foo@GOT(%rip) to LEAQ _foo(%rip).
+ * unit-tests/test-cases/large-data: added
+ * unit-tests/test-cases/got-elimination: added
+
+
+----- Tagged ld64-71.2
+
+2007-02-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4995303> new ld ignores -segprot option
+ * src/Options.h: expose customSegmentProtections()
+ * src/Options.cpp: parse -segprot option and populate customSegmentProtections()
+ * src/MachOWriterExecutable.hpp: use customSegmentProtections()
+
+
+2007-02-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4988068> i386 -stack_addr doesn't work
+ * src/MachOWriterExecutable.hpp: use correct offset into thread state record
+
+
+----- Tagged ld64-71.1
+
+2007-02-07 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: sort __OBJC2 segment to be next to __OBJC segment
+
+
+2007-02-07 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: change missing -seg_addr_table from an error to a warning
+
+
+2007-02-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4977311> Leopard 9A357: -dylib_file broken?
+ * src/MachOWriterExecutable.hpp: remove use of fInstallPathOverride
+ * src/Options.cpp: wire up -dylib_file option
+ * src/Options.h: remove fInstallPathOverride. add fDylibOverrides
+ * src/ld.cpp: check dylibOverrides() for indirect libraries
+ * unit-tests/test-cases/dylib_file: add test case
+
+
+2007-02-05 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderDylib.hpp: don't warn about zero size __image_info sections
+
+
+2007-02-04 Rick Balocca <rbalocca@apple.com>
+ Enable the failing cases for missing command line arguments
+
+2007-02-04 Rick Balocca <rbalocca@apple.com>
+ Make sure that all .o's are checked by ObjectDump
+ and all macho are checked by machochecker
+
+2007-02-04 Rick Balocca <rbalocca@apple.com>
+ Fix an endian problem with machochecker
+ Fix blank-stubs Makefile
+
+----- Tagged ld64-71
+
+2007-02-02 Rick Balocca <rbalocca@apple.com>
+ blank-stubs test case: handle the case of a native ppc compile--this
+ sets the subtype, which must be passed to lipo
+
+2007-02-01 Rick Balocca <rbalocca@apple.com>
+ make cpu-sub-types test more robust
+
+2007-02-01 Rick Balocca <rbalocca@apple.com>
+ auto-arch tests were resulting in a false FAILs
+
+2007-02-01 Rick Balocca <rbalocca@apple.com>
+ test cpu-sub-types was resulting in a false FAIL
+
+2007-02-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4969335> STD:VSC: c99 -o writes to file that does not have write permission
+ * src/MachOWriterExecutable.hpp: check file is writable before using it
+
+2007-02-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4965743> debug map (N_OSO) timestamps for object files in ranlib archive are incorrect
+ * src/MachOReaderArchive.hpp: parse modTime for .o files out of archive header
+
+2007-01-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4967535> 9A354: ld -all_load does *NOT* produce the same dSYM as *.o or -u
+ * src/ld.cpp: when using -all_load don't assume that all atoms have same reader
+ * unit-tests/test-cases/dwarf-archive-all_load: added
+
+----- Tagged ld64-70.1
+
+2007-01-31 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: in addObjectRelocs_powerpc() mask scattered r_address to 16-bits
+
+----- Tagged ld64-70
+
+
+2007-01-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4810668> linker should verify GC consistency of modules being linked into library
+ <rdar://problem/4474195> Support cpu-sub-types for ppc
+ * src/ObjectFile.h: Add getObjCConstraint() and getCpuConstraint()
+ * src/MachOReaderRelocatable.hpp: don't make atom for __image_info section, instead parse constaints
+ * src/MachOReaderDylib.hpp: look at __image_info content to get constaints
+ * src/ld.cpp: add updateContraints() and checkObjc()
+ * src/MachOWriterExecutable.hpp: add ObjCInfoAtom to sythesize __image_info content
+
+
+2007-01-28 Nick Kledzik <kledzik@apple.com>
+
+ src/*: remove ObjectFile::requiresFollowOnAtom() method
+
+
+2007-01-28 Nick Kledzik <kledzik@apple.com>
+
+ src/ld.cpp: enable LLVM_SUPPORT by default
+ src/LLVMReader.hpp: don't use absolute paths for llvm headers and libraries
+
+
+2007-01-26 Rick Balocca <rbalocca@apple.com>
+ * src/ObjectDump.cpp: The usage() message was incorrect.
+
+
+2007-01-25 Rick Balocca <rbalocca@apple.com>
+ * unit-tests/test-cases/zero-fill3: It was reporting FAIL on ld64 error return.
+ It should have been checking for non-error return.
+
+
+2007-01-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4952297> x86 fast stubs should not cross 64-byte boundries
+ * src/MachOWriterExecutable.hpp: for x86, 64-byte align __jump_table section
+ and make 64-btye crossing stubs be empty entries with indirect symbol table
+ entry of INDIRECT_SYMBOL_ABS
+
+
+2007-01-19 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.h: add readOnlyx86Stubs()
+ * src/Options.cpp: support -read_only_stubs
+ * src/MachOWriterExecutable.hpp: make __IMPORT segment not writable if -read_only_stubs is used
+
+
+2007-01-16 Eric Christopher <echristo@apple.com>
+
+ <rdar://problem/4856341> ld64 --help isn't recognized
+ * src/Options.cpp (Options::parse): Support --help and -help.
+
+
+2007-01-15 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOFileAbstraction.hpp: add range checking on macho_scattered_relocation_info::set_r_address()
+
+
+2007-01-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4514409> Support wildcards in contents of -exported_symbols_list
+ * src/Options.h: add SetWithWildcards class
+ * src/Options.cpp: add -exported_symbol and -unexported_symbol and use SetWithWildcards
+ * doc/man/man1/ld.1: add -exported_symbol and wildcard explanation
+ * unit-tests/test-cases/exported-symbols-wildcards: added test case
+
+
+2007-01-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4868270> [U]SDT probes should use C calling convention
+ * src/Options.cpp: Add -read_only_dof
+ * src/ld.cpp: create __dof section(s) based on probe and isenabled sites
+ * src/MachOReaderRelocatable.hpp: parse new sdt 2.0 probes encoded in .o files
+ * src/MachOWriterExecutable.hpp: handle regenerating dtrace probes into .o files
+ * unit-tests/test-cases/dtrace-static-probes: added test case
+
+
+----- Tagged ld64-69.8
+
+2007-01-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4964508> Support LD_FORCE_NO_SEG_ADDR_TABLE
+ * src/Options.cpp: Support LD_FORCE_NO_SEG_ADDR_TABLE
+
+
+----- Tagged ld64-69.7
+
+2007-01-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4949507> Leopard9A351: CFM Apps Are Broken because CFM glue is missing
+ * src/MachOReaderRelocatable.hpp: check S_ATTR_NO_DEAD_STRIP in dontDeadStrip()
+
+
+----- Tagged ld64-69.6
+
+2007-01-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4947347> LD_TRACE_ARCHIVES should only print out when a .o is actually used from an archive
+ * src/ld.cpp: create and use logArchive()
+
+
+----- Tagged ld64-69.5
+
+2007-01-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4946075> 9A350: can't link ppc programs with ld_classic
+ * src/Options.cpp: Remove support for LD_NO_CLASSIC_LINKER. Add support for -classic_linker
+
+
+----- Tagged ld64-69.4
+
+2007-01-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4925645> QTComponents does not link with ld64
+ * src/MachOReaderRelocatable.hpp: handle N_RSYM and N_PSYM stabs
+
+
+----- Tagged ld64-69.3
+
+2007-01-03 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: If the same dylib is specified twice and the second is specified weak, make it weak
+
+
+----- Tagged ld64-69.2
+
+2006-12-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4889729> -dead_strip without -exported_symbols_list should not strip global functions from archives
+ * src/ld.cpp: when adding a .o file from an archive, add all its global symbols to live roots
+ * unit-tests/test-cases/dead_strip-archive: added
+
+
+2006-12-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4889409> flat_namespace main executables do not need to indirect interior references
+ * src/MachOWriterExecutable.hpp: don't indirect references to global symbols in main executables
+ * unit-tests/test-cases/flat-main: updated to test for indirection
+ * unit-tests/test-cases/flat-dylib: added
+
+
+----- Tagged ld64-69.1
+
+2006-12-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4886721> -flat_namespace does not work with -mdynamic-no-pic
+ * src/MachOWriterExecutable.hpp: rework checking for use of ppc absolute addressing to allow them as long as
+ the target is within the same linkage unit.
+
+
+2006-12-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4886652> -ObjC should only load .o with .objc_ symbols
+ * src/Options.cpp: remove warning from -ObjC and have it instead set fLoadAllObjcObjectsFromArchives
+ * src/MachOReaderArchive.hpp: when -ObjC is used, preload all .o files from archives that contain .objc_ symbols
+
+
+----- Tagged ld64-69
+
+2006-12-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4879913> prebound interior pointers must be non-zero
+ * src/MachOWriterExecutable.hpp: in fixUpReference_powerpc() set lazy pointers bound to with the dylib to
+ their target value. Properly set REFERENCE_FLAG_UNDEFINED_* flags in reference table and n_desc
+
+
+2006-12-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4868738> ld64 fails to detect error that ld_classic does
+ * src/MachOWriterExecutable.hpp: check for absolute reloc to an external symbol
+ * src/MachOReaderRelocatable.hpp: ignore -mlong-branch stubs in .o files
+
+
+2006-12-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4874209> symbols with REFERENCED_DYNAMICALLY should never be stripped
+ * src/MachOWriterExecutable.hpp: update Writer<A>::shouldExport() to check for kSymbolTableInAndNeverStrip
+ * unit-tests/test-cases/main-stripped: add test that dynamically referenced symbol cannot be stripped
+
+
+2006-12-08 Nick Kledzik <kledzik@apple.com>
+
+ * unit-tests/test-cases/allowable-client: add variant test cases (e.g. CoreServices_profile)
+ * src/ld.cpp: allow frameworks with variant install names (e.g. CoreServices_profile) to be private clients
+
+
+2006-12-08 Nick Kledzik <kledzik@apple.com>
+
+ * doc/man/man1/ld.1: rewrite man page
+ * src/Options.h: add warnObsolete()
+ * src/Options.cpp: use warnObsolete() on many options. Make nonWeak the weak-mis-match default.
+ Make -ObjC mean -all_load.
+
+----- Tagged ld64-68.3
+
+2006-12-05 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: allow umbrella frameworks to have variant install names (e.g. CoreServices_profile) and still link
+
+
+----- Tagged ld64-68.2
+
+2006-12-05 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.cpp: Use N_PBUD in the symbol table for undefined symbols in prebound dylibs
+
+
+----- Tagged ld64-68.1
+
+2006-12-01 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: always generate module tables for 32-bit architectures so that ld_classic
+ can link against them
+
+
+----- Tagged ld64-68
+
+2006-12-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4858299> seg_addr_table needs matching fuzziness
+ * src/Options.cpp: special case a how a dozen dylib are looked up in the seg_addr_table
+
+
+2006-12-01 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: have all -static links for 32-bit archs roll over to ld_classic unless
+ LD_NO_CLASSIC_LINKER_STATIC is set.
+ * unit-tests/bin/make-recursive.pl: set LD_NO_CLASSIC_LINKER_STATIC for unit tests
+
+
+2006-11-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4855542> ld64-67: QTComponents fails to build
+ * src/MachOReaderRelocatable.hpp: don't error out when a local non-lazy pointer does not point to a symbol
+ * unit-tests/test-cases/strip_local: added test case
+
+
+2006-11-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4433496> Need a way to mark libraries usable by dynamic linker but unusable by static linker
+ * src/Options.cpp: allow -client_name to be used with main executables
+ * src/ld.cpp: generalize -allowable_client. Any dylib can now restrict who can link against it. As a convention
+ linking with -allowable_client '!' will mean no one can statically link with the dylib. It can still be loaded
+ dynamically, or by any existing clients, but no new clients can link with it.
+ * unit-tests/test-cases/allowable-client/Makefile: enable previously commented out test cases. Add test cases
+ of a dylib that allows no clients and just one client
+
+2006-11-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4795615> -final_output should be used if -install_name not used
+ * src/Options.cpp: fall back to using -final_output for install name
+
+
+----- Tagged ld64-67
+
+2006-11-17 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: support __IMPORT segment being slide independently of __DATA segment in shared cache
+
+
+2006-11-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4838262> 9a303: ld -filelist Bus Error
+ * src/Options.cpp: add check that -filelist is followed by an argument
+
+
+2006-11-16 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: when building split-seg dylibs, LINKEDIT goes in read-only side
+
+
+2006-11-15 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: set proper attributes for __eh_frame in ld -r mode
+ * unit-tests/test-cases/eh_frame: added test case
+
+
+2006-11-10 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: redirect references to static weak stubs to the real target
+
+
+2006-11-09 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: r_address is offset from first LC_SEGMENT vmaddr - not from segment with lowest address
+
+
+----- Tagged ld64-66.1
+
+2006-11-09 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: initialize fModuleInfoAtom to zero
+
+
+2006-11-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4821985> FSF GCC's libjava doesn't link with Ochre ld64
+ * src/MachOReaderRelocatable.hpp: ignore debug_line section if debug_info section is missing or empty
+
+----- Tagged ld64-66
+
+2006-11-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4824368> SWB: d64-65 does not built usage split-seg dylibs
+ * src/MachOWriterExecutable.hpp: when prebinding split-seg correctly set r_address fields and on
+ disk values for external relocations
+ * unit-tests/test-cases/prebound-split-seg: added test case
+
+
+2006-11-03 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderDylib.hpp: don't report dependent libraries if MH_NO_REEXPORTED_DYLIBS bit is set
+ * src/MachOWriterExecutable.hpp: set MH_NO_REEXPORTED_DYLIBS bit if dylib does not logically re-export any other dylibs
+ * unit-tests/test-cases/re-export-flag: added test case
+ * src/machochecker.cpp: validate use of MH_NO_REEXPORTED_DYLIBS
+
+
+2006-11-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4814565> Mysterious messages from ld64 with MACOSX_DEPLOYMENT_TARGET = 10.5
+ * src/MachOWriterExecutable.hpp: kPointerWeakImport is a valid reference type to cross segments
+
+
+2006-11-02 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp,h: Add support for -rpath
+ * src/MachOFileAbstraction.hpp: add macho_rpath_command
+ * src/MachOWriterExecutable.hpp: add RPathLoadCommandsAtom to create LC_RPATH for each -rpath
+
+
+----- Tagged ld64-65
+
+2006-10-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4729162> x86_64 default stack_addr is wrong
+ * src/Options.cpp: change default 64-bit stack location when using -stack_size
+
+
+2006-10-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4474316> dylibs need modules for 10.3 and for ld_classic in Salt
+ * src/MachOWriterExecutable.hpp: add ModuleInfoLinkEditAtom to create module table stuff
+ * src/Options.cpp,h: Add needsModuleTable()
+ * src/MachOFileAbstraction.hpp: Add macho_dylib_module, macho_dylib_reference, and macho_dylib_table_of_contents
+
+
+2006-10-27 Nick Kledzik <kledzik@apple.com>
+
+ * unit-tests/test-cases/no-uuid/Makefile: add -gstabs+ to be compatible with latest compiler
+ * unit-tests/test-cases/stabs-coalesce/Makefile: add -gstabs+ to be compatible with latest compiler
+
+
+2006-10-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4585230> i386 -mdynamic-no-pic switch statement jump table is out of line
+ * src/MachOWriterExecutable.hpp: for i386 don't check for direct references to weak symbols
+
+
+2006-10-26 Devang Patel <dpatel@apple.com>
+
+ * src/LLVMReader.hpp: Supply final output file path to optimizer.
+
+2006-10-26 Devang Patel <dpatel@apple.com>
+
+ * src/ObjectFile.h: Make setSection* methods virtual.
+ * src/LLVMReader.hpp: Override setSection* methods.
+
+2006-10-26 Devang Patel <dpatel@apple.com>
+
+ * unit-tests/test-case/llvm-integration/a13.h: New.
+ * unit-tests/test-case/llvm-integration/a13.cc: New.
+ * unit-tests/test-case/llvm-integration/main13.cc: New.
+
+2006-10-26 Devang Patel <dpatel@apple.com>
+
+ * src/options.h, src/options.cpp: Add -save-temps command line option.
+ * src/LLVMReader.hpp: Use saveTemps option.
+
+
+2006-10-26 Devang Patel <dpatel@apple.com>
+
+ * src/LLVMReader.hpp: Remove invalid module from memory.
+
+2006-10-26 Devang Patel <dpatel@apple.com>
+
+ * src/LLVMReader.hpp: Collect symbol alignment info from LLVM optimizer.
+
+2006-10-21 Eric Christopher <echristo@apple.com>
+
+ * src/ld.cpp (Linker::Linker): Check for LD_NO_CLASSIC_LINKER before
+ invoking ld_classic.
+ * unit-tests/test-cases/relocs-literals/Makefile: Run for -mdynamic-no-pic
+ and pic.
+ * unit-tests/test-cases/static-executable/Makefile: Skip for 64-bit. Add
+ -dead_strip to command line.
+
+----- Tagged ld64-64.2
+
+2006-10-19 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: stop copying LLVMReader.hpp into man1 directory
+
+----- Tagged ld64-64.1
+
+2006-10-19 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4791643> ld64-63.1 erroneously coalesces an empty string with a non-empty string
+ * src/MachOReaderRelocatable.hpp: rework cstring parsing to not assume all strings are start
+ at section alignment boundaries, and when coalescing empty strings always use one with greatest
+ alignment requirement
+ * src/MachOWriterExecutable.hpp: in -r mode, don't pad end of cstring section
+ * src/ObjectFile.h: correctly name leadingZeros() as trailingZeros()
+ * src/ld.cpp: leadingZeros() --> trailingZeros()
+
+
+2006-10-18 Eric Christopher <echristo@apple.com>
+
+ * unit-tests/test-cases/read-only-relocs/Makefile: Skip for x86_64.
+ * unit-tests/test-cases/llvm-integration/Makefile: Skip if llvm isn't
+ present.
+
+2006-10-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4783853> ld64 change required to go with assembler cstring change
+ <rdar://problem/4732996> ld64 should error when a local relocation references an address outside its section
+ * src/MachOReaderRelocatable.hpp: for x86_64 in order to work with local or external relocations to cstrings
+ change parser to allow atoms with a pending name that is resolved after references are instantiated.
+ Make direct references to kRegularDefinition atoms.
+ * src/MachOWriterExecutable.hpp: in -r mode for x86_64 generate L* labels for cstrings and use external relocations
+ * unit-tests/test-cases/relocs-literals/test.c: add two cases of cstring literal plus addend
+
+
+2006-10-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4786250> check MACOSX_DEPLOYMENT_TARGET if -macosx_version_min is not used
+ * src/Options.cpp: if -macosx_version_min is not used, check MACOSX_DEPLOYMENT_TARGET, if
+ that is unused, default to 10.5
+
+----- Tagged ld64-64
+
+2006-10-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4756806> crash in ppc64 program - bl to saveFP, but saveFP is too far away?
+ * src/MachOWriterExecutable.hpp: in addPPCBranchIslands(), properly account for growth of __text
+
+
+2006-10-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4769120> Linker-defined alias converts reference into definition and generates error.
+ * src/MachOReaderRelocatable.hpp: only alias symbols actually in the symbol table
+
+
+2006-10-06 Nick Kledzik <kledzik@apple.com>
+
+ * unit-tests/test-cases/dwarf-debug-notes/Makefile: crt1.o no longer has stabs, so don't need to strip it
+ * unit-tests/test-cases/dwarf-debug-notes-r/Makefile: crt1.o no longer has stabs, so don't need to strip it
+
+
+2006-10-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: rework dwarf line parsing to fix warnings that starting
+ showing up with gcc-5421
+
+
+2006-10-05 Eric Christopher <echristo@apple.com>
+
+ <rdar://problem/4760935> ld64 needs to support libtool options
+ * src/Options.cpp (Options::parse): Add -noall_load, -install_name,
+ -current_version and -compatibility_version.
+
+2006-10-03 Eric Christopher <echristo@apple.com>
+
+ * src/Options.cpp (Options::gotoClassicLinker): Use execvp
+ to call ld_classic.
+
+2006-10-03 Eric Christopher <echristo@apple.com>
+
+ * unit-tests/test-cases/tentative-to-real/Makefile: Clean up after tests.
+
+2006-10-03 Eric Christopher <echristo@apple.com>
+
+ * unit-tests/include/common.makefile (VALID_ARCHS): Add x86_64.
+ (OTOOL): Remove munging based on ARCH.
+
+2006-09-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4743925> problem merging .o files built with and without -fno-common
+ src/Options.*: make MakeTentativeDefinitionsReal a reader option
+ src/ObjectFile.h: make MakeTentativeDefinitionsReal a reader option
+ src/MachOWriterExecutable.hpp: make MakeTentativeDefinitionsReal a reader option
+ src/MachOReaderRelocatable.hpp: only assign a section name of __common to
+ tentative defintions when making a final linked image
+
+
+2006-09-28 Nick Kledzik <kledzik@apple.com>
+
+ src/Options.h/.cpp: add support for -segaddr option
+ src/MachOWriterExecutable.hpp: In Writer::assignFileOffsets(), use -segaddr info
+
+
+2006-09-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4587349> Emit new CPU subtypes for ppc64 and x86-64 when targeting 10.5 or later
+ src/MachOWriterExecutable.hpp: set high bit of cpusubtype of 64-bit main executables when targeting 10.5 or later
+
+
+2006-09-28 Devang Patel <dpatel@apple.com>
+
+ Add LLVM LTO support
+ src/LLVMReader.hpp: New file.
+ src/ld.cpp: Add optimization phase. Use LLVM LTO.
+ unit-tests/test-cases/llvm-integration: New tests.
+
+2006-09-27 Nick Kledzik <kledzik@apple.com>
+
+ ld64.xcodeproj/project.pbxproj: remove accidental install of source file into man1
+
+
+2006-09-25 Nick Kledzik <kledzik@apple.com>
+
+ src/Architectures.hpp: add kPointerDiff16 for ppc and ppc64
+ src/MachOReaderRelocatable.hpp: support kPointerDiff16
+ src/MachOWriterExecutable.hpp: support kPointerDiff16
+
+----- Tagged ld64-63.1
+
+2006-09-22 Nick Kledzik <kledzik@apple.com>
+
+ src/MachOWriterExecutable.hpp: include stubs in LC_SEGMENT_SPLIT_INFO
+
+
+2006-09-21 Nick Kledzik <kledzik@apple.com>
+
+ src/Options.cpp: disable split-seg dylibs for 64-bit architectures
+
+
+2006-09-19 Nick Kledzik <kledzik@apple.com>
+
+ src/MachOReaderRelocatable.hpp: rework __cstring parsing to better handle mixed alignment cstrings
+ src/MachOWriterExecutable.hpp: in -r mode, make all __cstrings aligned to section alignment
+
+
+2006-09-19 Nick Kledzik <kledzik@apple.com>
+
+ src/MachOWriterExecutable.hpp: rework encoding of LC_SEGMENT_SPLIT_INFO
+
+
+2006-09-19 Nick Kledzik <kledzik@apple.com>
+
+ src/Options.cpp: check for -search_paths_first in first pass
+
+
+----- Tagged ld64-63
+
+2006-09-15 Nick Kledzik <kledzik@apple.com>
+
+ src/Options.cpp: since the ld64 will repeatedly search an archive, and some project list archives
+ multiple times on command line to work with traditional linkers, automatically ignore duplicate libraries
+ unit-tests/test-cases/archive-duplicate: added test case
+
+
+2006-09-15 Nick Kledzik <kledzik@apple.com>
+
+ src/Options.cpp: support -r -static
+ src/MachOWriterExecutable.hpp: support -r -static an don't generate LC_DYSYMTAB
+
+
+2006-09-14 Nick Kledzik <kledzik@apple.com>
+
+ src/MachOWriterExecutable.hpp: in -r mode references to weak symbols should not create external relocations
+ as that can cause nmedit to errror later.
+
+
+2006-09-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4718189> ld64: Handle .objc_class_name exports specially
+ src/Options.cpp: add hack so that .objc_class_name_XXX in -exported_symbols_list imples _OBJC_CLASS_$_XXX
+ src/ld.cpp: add hack to supporess errors about .objc_class_name_XXX or _OBJC_CLASS_$_XXX being undefined
+
+
+2006-09-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4474172> Support -prebind when targeting ppc and OS < 10.4
+ src/Options.h: add splitSeg() and baseWritableAddress()
+ src/Options.cpp: Add support for -seg_addr_table and LD_SEG_ADDR_TABLE, and -prebind and LD_PREBIND.
+ src/src/MachOWriterExecutable.hpp: support split-seg and canonical prebound files to be generated
+
+
+2006-09-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4464904> Linking a dylib or binary from identical binaries should produce the same output
+ src/MachOWriterExecutable.hpp: set the timestamps to be constant
+
+
+2006-09-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4070025> Linker support for ordering all sections and symbols
+ src/Options.cpp: Add -order_file_statistics. Allow architecture prefixes in order files
+ src/ld.cpp: Use fOptions.printOrderFileStatistics()
+
+
+2006-09-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3894079> Support -sectorder
+ unit-tests/test-cases/order_file: added test case
+ src/ld.cpp: Implement order file support in Linker::sortAtoms()
+ src/Options.h: add Options.orderedSymbols()
+ src/Options.cpp: add parseOrderFile(), implement -order_file
+
+
+2006-09-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4637023> need -i for 64-bit (or equivalent)
+ <rdar://problem/4014529> Support -i for aliasing exported symbols
+ unit-tests/test-cases/alias-objects: added
+ unit-tests/test-cases/alias-command-line: added
+ src/ObjectFile.h: Added Atom::getOrdinal() as new way to sort atoms. Added ReaderOptions.fAliases
+ src/MachOReaderRelocatable.hpp: Added SymbolAliasAtom to handle multiple symbols to same address
+ src/MachOReaderArchive.hpp: implement Atom::getOrdinal() to space out atom ordinals across member objects
+ src/Options.cpp: support -i, -alias, -alias_list. Move search of /Network/Library/Frameworks to after /System/Library/Frameworks
+ src/MachOWriterExecutable.hpp: pad out seg_info data. Implement getOrdinal().
+ src/ObjectDump.cpp: call constructors directly instead of using make() wrapper
+
+
+2006-09-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4458878> Need the ability to tag libraries/plug-ins with security attributes
+ src/MachOReaderDylib.hpp: add warning if using -root_safe or -setuid_safe and link against dylib that is not
+ src/ObjectFile.h: add ReaderOption fRootSafe and fSetuidSafe
+ src/Options.cpp: handle -root_safe or -setuid_safe command line options
+ src/MachOWriterExecutable.hpp: set MH_ROOT_SAFE and MH_SETUID_SAFE flags
+
+
+2006-08-31 Nick Kledzik <kledzik@apple.com>
+
+ src/ld.cpp: Add Linker::processDTrace() for processing dtrace static probes
+ src/OpaqueSection.hpp: renamed, add symbol name, add ability to add references
+ ld64.xcodeproj/project.pbxproj: remove SectCreate.cpp, add OpaqueSection.hpp
+
+
+2006-08-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4571042> Add convention for removing symbols at link time
+ <rdar://problem/3962731> Assembler -L option causes ld64 to split stubs
+ unit-tests/test-cases/special-labels: added test case
+ src/MachOReaderRelocatable.hpp: ignore L* labels, make l* labels as kSymbolTableNotIn
+
+
+2006-08-28 Nick Kledzik <kledzik@apple.com>
+
+ src/lObjectFile.h: refactor isTargetUnbound() into getTargetBinding()
+ src/ld.cpp: create __dof section in final linked images from dtrace static probes
+ src/Architectures.hpp: add kDtraceProbe
+ src/Options.h/cpp: Add support for -dtrace
+ src/machochecker.cpp: support LC_SEGMENT_SPLIT_INFO
+ src/MachOWriterExecutable.hpp: support kDtraceProbe
+ src/MachOReaderRelocatable.hpp: suppport kDtraceProbe
+
+
+2006-08-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4701529> generate LC_SEGMENT_SPLIT_INFO for 10.5 or later dylibs
+ src/Options.h&.cpp: implement sharedRegionEligible() to control when LC_SEGMENT_SPLIT_INFO is added
+ src/MachOFileAbstraction.hpp: add macho_linkedit_data_command
+ src/MachOWriterExecutable.hpp: generate LC_SEGMENT_SPLIT_INFO load command and linkedit content
+
+----- Tagged ld64-62
+
+2006-08-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4681062> wrong error message when symbol is found in unused indirect library
+ src/ld.cpp: remove indirect libraries if they are not re-exported
+ unit-tests/test-cases/indirect-dylib: added test case
+
+
+2006-08-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3930461> alignment needs to be richer
+ src/ObjectFile.h: define ObjectFile::Alignment class for tracking rich alignment info
+ src/ld.cpp: modify SymbolTable::add() to work with new Alignment type
+ src/MachOReaderRelocatable.hpp: use new Alignment type. Remove alignAtLeast() and handleAnonymousNonLazyPointers()
+ src/MachOWriterExecutable.hpp: update for new Alignment type, use modulus when calculating layout address
+ src/ObjectDump.cpp: print richer Alignment info
+ unit-tests/test-cases/align-modulus: added test case
+
+
+2006-08-11 Nick Kledzik <kledzik@apple.com>
+
+ remove OPEN_SOURCE conditionals around x86_64 support
+
+
+2006-07-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4654131> ld64 while linking cc1 [ when dead_strip is ON]
+ src/ld.cpp: Add ivar fAtomsWithUnresolvedReferences to track atoms not initially resolvable
+ unit-tests/test-cases/dead_strip-archive: added test case
+
+
+2006-07-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4656617> x86_64: instructions with immediate and rip-relative operands need to use new relocation types
+ src/MachOWriterExecutable.hpp: generate new reloc types in -r mode
+ src/MachOReaderRelocatable.hpp: parse new reloc types
+ unit-tests/test-cases/relocs-asm/relocs-asm.s: add test cases for new reloc type
+
+
+2006-07-18 Nick Kledzik <kledzik@apple.com>
+
+ src/MachOReaderRelocatable.hpp: suppress warning about dwarf info parsing for one benign no-op case
+ the compiler emits when there are not functions in the __text section
+
+
+2006-07-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4634840> faster debug note generation
+ src/ld.cpp: rework collectDebugInfo() to produce all debug notes in one pass, intead of a
+ pass per .o file. Added timing info for collectDebugInfo() to -print_statistics
+ unit-tests/test-cases/dwarf-debug-notes-r/Makefile: add expliced -arch to ld -r
+ unit-tests/test-cases/dwarf-debug-notes-r/expected-stabs: alter for new debug notes order
+
+
+2006-07-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4623994> ld64 VSIZE is 1.18GB when building Finder ppc64
+ src/ld.cpp: fixed typo in createReader() that prevented dylibs from being unmapped
+
+----- Tagged ld64-61.1
+
+2006-07-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4622049> ld64-61: gcc DejaGnu tests failing due to -arch followed by unknown architecture name
+ src/Options.cpp: map ppc750, ppc7400, ppc7450, and ppc970 to ppc. Improve error message
+
+2006-07-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4622769> If -arch is missing, rollover to ld_classic does not happen
+ src/Options.h: make gotoClassicLinker() public
+ src/ld.cpp: call gotoClassicLinker() if the inferred architecture is ppc or i386
+
+----- Tagged ld64-61
+
+2006-06-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4606628> ld64 should be renamed to ld
+ src/Options.cpp: exec() ld_classic if -arch ppc or -arch i386 is seen
+ src/ld.cpp: alter version string
+ ld64.xcodeproj/project.pbxproj: change install location to /usr/bin/ld, add symlink from /usr/bin/ld64
+ doc/man/man1/ld.1: added
+
+----- Tagged ld64-60
+
+2006-06-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4604539> Can't link large ppc64 program: ld64 says "bl out of range"
+ MachOWriterExecutable.hpp: fix branch island generation to work for weak_import functions
+ and properly chain together branch islands
+ MachOReaderRelocatable.hpp: improve performance of huge .o file reading by sorted references
+ only when done
+
+2006-06-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4603454> MySQL-36 fails to build with ld64-59
+ src/MachOReaderRelocatable.hpp: back out fix for 4585335
+ src/MachOWriterExecutable.hpp: back out fix for 4585335
+
+2006-06-27 Nick Kledzik <kledzik@apple.com>
+
+ src/MachOReaderRelocatable.hpp: handle N_GSYM without ending :G() since that is how
+ dwarf debug notes are formed.
+
+2006-06-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4599239 objc class with no superclass causes bad undefined symbol
+ src/MachOReaderRelocatable.hpp: handle NULL superclass in objc_class
+ unit-tests/test-cases/relocs-objc/test.m: add case with no super class
+
+
+2006-06-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4313369> ld64 doesn't support variant linking -framework fw,_debug
+ src/Options.cpp: enhance findFramework() to support suffixes
+
projects / apple / ld64.git / blobdiff