------ Tagged ld64-59.4
+----- Tagged ld64-97.2
+
+2009-09-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7200658> 'unknown DWARF EH encoding' message logged to console with clang-50
+
+
+----- Tagged ld64-97.1
+
+2009-07-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7099040> make better no-PIC branch island to thumb1
+ * Add kBranchIslandNoPicToThumb1 as 8-byte no-PIC island
+
+
+2009-07-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7075703> section$start$__DATA$__bss can fail
+ * In SectionBoundaryAtom constructor make __bss and __common be zero-fill
+ * In AtomSorter, make sure end kSectionEnd sort after kTentativeDefinition
+ * unit-tests/test-cases/section-labels-zero-fill: add test cases
+
+
+----- Tagged ld64-97
+
+2009-07-13 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7049478> empty dylib should have subtype from command line
+ In Linker::writeOutput() for ARM, set initial fCurrentCpuConstraint to be command line subtype
+
+
+2009-07-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7043920> crash when using -dead_strip and LTO with unresolved intrinsic
+ * In Linker::optimize() after final deadStripResolve() call checkUndefines() one last time
+
+
+2009-07-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7043256> ld64 can not find a -e entry point from an archive
+ * src/ld/ld.cpp: add searchArchives parameter to entryPoint() for use by deadStripResolve()
+ * unit-tests/test-cases/dead_strip-entry-archive: added test case
+
+
+2009-07-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6702217> __objc_classrefs section could be coalesced
+ * In machoReader, chop up __objc_classrefs section into pointer size atoms
+ and make each weak and hidden with a name based on its target name.
+
+
+2009-06-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6715874> "ld: symbol dyld_stub_binding_helper not defined" for xnu built with clang for x86_64
+ * Fix relocationNeededInFinalLinkedImage() to say weak-defs don't require indirection in static executables
+ * Added unit-tests/test-cases/static-executable-weak-defines
+
+
+2009-06-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7012016> Error msg for missing -init symbol is misleading/unclear
+ * In Linker::checkUndefines() check all ways that the command line could add an undefined
+ and then search for close matches/typos.
+
+
+2009-06-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5725900> We need ld-symbol-moving-symbols for ARM/Embedded
+ * In mach_o::dylib::Reader::addSymbol() parse iPhoneOS version strings
+ * Update IPhoneVersionMin
+
+
+2009-06-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6933931> Linker makes subtype-zero file from empty subtype-nonzero file.
+ * In Linker::writeOutput() set inittal fCurrentCpuConstraint to be command line subtype
+ * Fix fArchitectureName to have arm sub-types
+
+
+2009-06-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6955021> ld should do a better job of reporting attempts to link directories
+ * In Options::buildSearchPaths() sanity check -L and -F options
+
+
+2009-06-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6974647> better error message when libLTO.dylib not loadable
+ * in Linker::createReader() provide detail error messages
+
+
+----- Tagged ld64-96.10
+
+2009-08-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7182988> empty dylib has been __mh_dylib_header n_sect
+ * rework patch to use MinimalTextAtom to ensure there is always a __text section
+
+
+----- Tagged ld64-96.9
+
+2009-08-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7182988> empty dylib has been __mh_dylib_header n_sect
+ * suppress __mh_dylib_header from symbol table if there is no __text section
+
+ Implicitly add dyld_stub_binder to libSystem.dylib so iPhone clients can build
+ against SnowLeopard libSystem.dylib.
+
+
+----- Tagged ld64-96.8
+
+2009-08-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7049478> SWB: gcc-5577.1 fails to build vecLib
+
+
+----- Tagged ld64-96.7
+
+2009-08-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6933931> Linker makes subtype-zero file from empty subtype-nonzero file.
+
+
+----- Tagged ld64-96.6
+
+2009-07-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7103437> ld: ldr 12-bit displacement out of range on SnowLeopard with gcc-5648
+ * in Section::Section() set fIndex to ensure __symbolstub1 sorts to end of __TEXT segment
+
+
+----- Tagged ld64-96.5
+
+2009-07-28 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/7073626> Thumb mode compilation isn't working on 3.1 beta 2
+ * Fix instructions used in kBranchIslandToThumb1 case
+
+
+----- Tagged ld64-96.4
+
+2009-06-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6992387> platform linker should use platform ld_classic
+ * Fix Options::gotoClassicLinker() to use realpath()s
+
+
+2009-06-22 Nick Kledzik <kledzik@apple.com>
+
+ * Fix Options::setIPhoneVersionMin() to handle 2.x through 9.x
+
+
+----- Tagged ld64-96.3
+
+2009-06-17 Nick Kledzik <kledzik@apple.com>
+
+ * Change section sorting so that arm and ppc stub section is immediately after __text section
+
+
+2009-06-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6975041> don't use no-PIC stubs in any dylibs - it might conflict with codesigning
+ * In StubAtom<arm>::StubAtom() don't use kStubNoPIC for OS dylibs
+
+
+----- Tagged ld64-96.2
+
+2009-06-09 Nick Kledzik <kledzik@apple.com>
+
+ * Back out page-cross branch work around
+
+
+----- Tagged ld64-96.1
+
+2009-06-05 Nick Kledzik <kledzik@apple.com>
+
+ * Fix "duplicate symbol cache-line-crossing-stub" error by giving placeholders unique names
+ * Fix -pie by allowing relocs in x86 stubs and stub helpers
+
+
+----- Tagged ld64-96
+
+2009-06-04 Nick Kledzik <kledzik@apple.com>
+
+ * Darwin x86_64 static codegen is really dynamic code gen, so use LTO_CODEGEN_PIC_MODEL_DYNAMIC
+
+
+2009-06-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6945923> use lto_codegen_set_assembler_path()
+
+
+2009-06-03 Nick Kledzik <kledzik@apple.com>
+
+ * In src/ld/LTOReader.hpp, move where -save-temps .bc file is saved to be after code model set
+
+
+2009-06-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6806033> Link Time Optimization error with 'dead code strip' + hidden symbol
+ * scan newAtoms returned from optimize() looking for ones already in the symbol table
+ * add test case unit-tests/test-cases/lto-dead_strip-all-hidden
+
+
+2009-05-19 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6881656> make dyld stubs smaller/faster
+ * Add new addSynthesizedAtoms() method to Writer, called before atoms are sorted
+ * Fix throwf() and warning() to check printf types
+ * Add arm::kPointerDiff12 to support fast arm stubs
+ * Add new ContentType values for stubs and (non)lazy pointers
+ * Add new variant of arm stub this is one instruction
+
+
+2009-05-13 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: add warnings to dyldinfo target
+ * src/other/dyldinfo.cpp: support classic LINKEDIT format
+
+
+2009-05-12 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOWriterExecutable.hpp: fix optimization to skip branch islands with ARM bl instructions
+
+
+2009-05-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6836647> creation of __unwind_info section can fail if hundreds of functions cannot be compact encoded
+ * src/ld/MachOWriterExecutable.hpp: fix when to make regular vs compressed pages
+
+
+2009-05-08 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/ld.cpp: enhance -save-temps to also write out optimized bitcode file
+
+
+2009-05-08 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/ld.cpp: fix -order_file_statistics to print each symbol not found and correct total
+
+
+2009-05-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6870522> linker should be able to coalesce UTF16 strings
+ * src/ld/MachOReaderRelocatable.hpp: parse __ustring section by labels but synthesize an
+ atom name based on the content. Leverage for __cfstring section
+ * unit-tests/test-cases/cfstring-utf16: update test case
+
+
+2009-05-07 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOWriterExecutable.hpp: put branch islands further apart if there is no thumb code
+
+
+2009-05-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6331300> LINKEDIT optimizations for iPhone
+ * src/ld/ObjectFile.h: Recognize iPhoneOS 3.1
+ * src/ld/Options.cpp: iPhoneOS 3.1 => use compressed LINKEDIT
+ * src/ld/MachOWriterExecutable.hpp: support generating compressed LINKEDIT for arm
+
+
+2009-05-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5716715> Add linker support for ARM branch islands
+ <rdar://problem/5253691> Add labels to linker synthesized jump islands
+ * src/ld/MachOWriterExecutable.hpp: reworked BranchIslandAtom and createBranchIslands to support arm/thumb
+ * src/ld/ObjectFile.h: added kBranchIsland
+ * unit-tests/test-cases/branch-islands: updated test case to check arm/thumb
+
+
+2009-04-30 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/Options.cpp: fix custom stack base address for arm
+
+
+2009-04-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6818272> likely incorrect warning about common symbols
+ * src/ld/Options.cpp: ignore LD_WARN_COMMONS in -r mode
+
+
+----- Tagged ld64-95.8.3
+
+2009-03-31 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6719270> ld might set MH_WEAK_DEFINES when it should not
+ * src/ld/MachOWriterExecutable.hpp: rescan fRegularDefAtomsThatOverrideADylibsWeakDef and only consider global ones
+
+
+----- Tagged ld64-95.8.2
+
+2009-03-18 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOReaderRelocatable.hpp: back out -force_cpusubtype_ALL changes
+
+
+----- Tagged ld64-95.8.1
+
+2009-03-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6578416> -dead_strip inhibits weak coalescing in no_dead_strip section
+ * src/ld/ld.cpp: in markDead() remove from fLiveRootAtoms
+
+
+2009-03-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6671072> libgcc fails to build in with ld64-95.8
+ * src/ld/MachOReaderRelocatable.hpp: interpret CPU_SUBTYPE_ARM_ALL as CPU_SUBTYPE_ARM_V4T
+ * src/ld/Options.cpp: interept -force_cpusubtype_ALL as -arch armv4t
+
+
+----- Tagged ld64-95.8
+
+2009-02-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6569316> ld64-95.7 crashes building Foundation-678.39 in side build
+ * src/ld/MachOReaderRelocatable.hpp: handle a zero length section with a label before __cstring section
+
+
+----- Tagged ld64-95.7
+
+2009-02-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/ObjectFile.h: make fAddCompactUnwindEncoding false by default
+
+
+2009-02-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6537210> ER: add linker option to zero fill empty DATA sections on disk
+ * src/ld/Options.cpp: add support for -no_zero_fill_sections
+ * src/ld/MachOReaderRelocatable.hpp: isZeroFill() is only true if fOptimizeZeroFill
+ * doc/man/man1/ld.1: document -no_zero_fill_sections
+ * unit-tests/test-cases/no_zero_fill_sections: add test case
+
+
+2009-02-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6497366> label getting resolved to the wrong address.
+ * src/ld/MachOWriterExecutable.hpp: add findAtomAndOffsetForSection() and use it to disambiguate
+ * unit-tests/test-cases/label-on-end-of-section: added test case
+
+
+2009-01-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6517393> Warn -force_cpusubtype_ALL is not supported
+ * src/ld/Options.cpp: warn if fForceSubtypeAll and fArchitecture is CPU_TYPE_ARM
+
+
+----- Tagged ld64-95.6
+
+2009-01-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6439020> Add support for section start/end labels
+ * src/ld/ObjectFile.h: add kSectionStart and kSectionEnd
+ * src/ld/MachOReaderRelocatable.hpp: create SectionBoundaryAtoms as needed
+ * src/ld/ld.cpp: sort SectionBoundaryAtoms correctly
+ * src/ld/MachOWriterExecutable.hpp: allow all relocations in preload images
+
+
+----- Tagged ld64-95.5
+
+2009-01-15 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOWriterExecutable.hpp: in hasPageCrossingBranches() ignore branches preceeded by a branch
+
+
+----- Tagged ld64-95.4
+
+2009-01-15 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/Options.cpp: handle -kext and -r the same for fPreventPageCrossingBranches
+
+
+----- Tagged ld64-95.3
+
+2009-01-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6497574> linker should alter layout to prevent armv7 page crossing branches
+ * src/ld/Options.cpp: set fPreventPageCrossingBranches
+ * src/ld/MachOWriterExecutable.hpp: adjust layout of __text so there are not page crossing branches
+ * src/ld/MachOReaderRelocatable.hpp: support new ARM_THUMB_32BIT_BRANCH reloce
+
+
+----- Tagged ld64-95.2.10
+
+2009-04-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6805002> corrupt metaclass entry in dynamic library
+ * src/ld/ld.cpp: change Section constructor to copy segment and section names
+
+
+----- Tagged ld64-95.2.9
+
+2009-04-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6744267> Update ld64 for new triples introduced in 6654669 to support ARM LLVM
+ * src/ld/LTOReader.hpp: change "arm-" to "arm" so matching works for new triples
+
+
+----- Tagged ld64-95.2.8
+
+2009-03-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6713931> anonymous functions have the compact unwind info computed wrong
+ * ld/MachOReaderRelocatable.hpp: use new compact unwind function in AnonymousAtom
+
+
+----- Tagged ld64-95.2.7
+
+2009-03-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6670421> AddressBook incorrectly gets _objc_msgSend from WebKit
+ * src/ld/MachOReaderDylib.hpp: fix processIndirectLibraries() to not force a private re-export of a dylib
+ that is already explictly or implicitly linked.
+ * unit-tests/test-cases/re-export-optimizations-indirect: add test case
+
+
+2009-03-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6665853> dyld weak linking optimization leaves some symbols unbound
+ * src/ld/MachOWriterExecutable.hpp: be sure to create bind entry for a reference
+ to a symbol in a dylib that is a weak definition
+ * unit-tests/test-cases/coalesce_weak_def_in_dylib: add test case
+
+
+2009-03-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6666004> many OS i386 OS dylibs still have __IMPORT segment
+ * ld/MachOReaderRelocatable.hpp: moved where __IMPORT/__pointer is changed to __DATA/__nl_symbol_ptr
+ * unit-tests/test-cases/stripped-indirect-symbol-table: updated to test for this problem
+
+
+----- Tagged ld64-95.2.6
+
+2009-02-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6633530> ld might set MH_WEAK_DEFINES when it should not
+ * src/ld/MachOWriterExecutable.hpp: only consider atoms in fRegularDefAtomsThatOverrideADylibsWeakDef
+ that will be exported when computing MH_WEAK_DEFINES
+ * unit-tests/test-cases/operator-new: updated to reproduce issue
+
+
+----- Tagged ld64-95.2.5
+
+2009-02-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6605499> x86_64 obj-c runtime confused when static lib is stripped
+ * src/ld/MachOWriterExecutable.hpp: in setLocalNlist() don't use 'l' labels for x86_64 strings
+ * unit-tests/test-cases/objc-literal-pointers-strip: added test case
+
+
+----- Tagged ld64-95.2.4
+
+2009-02-23 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOReaderRelocatable.hpp: ignore ARM_THUMB_32BIT_BRANCH relocs
+
+
+2009-02-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6583555> Writer<A>::symbolIndex() uses a linear search and does not scale
+ * src/ld/MachOWriterExecutable.hpp: build a std::map so symbolIndex() scales better
+
+
+2009-02-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6312070> Use new compact encodings that handle all register permutations
+ * src/ld/Architectures.hpp: add kSectionOffset24
+ * src/ld/ObjectFile.h: add getFDE()
+ * src/ld/MachOReaderRelocatable.hpp: use new libunwind functions to get new compact encoding
+ * src/ld/MachOWriterExecutable.hpp: use new compact encoding which includes offset in dwarf if needed
+ * src/other/unwinddump.cpp: update unwinddump output to display register save set
+
+
+2009-02-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6511619> runtime error with bundle for 10.5 that has weak external symols
+ * src/ld/ld.cpp: fix hybrid (10.5) compressed linkedit info for data pointing to weak definitions
+
+
+2009-02-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6583757> i386 relocation error with negative offsets from local labels
+ * src/ld/MachOReaderRelocatable.hpp: handle when base addr of scattered relocation does not point to a label
+ * unit-tests/test-cases/relocs-neg-from-local: add test case
+
+
+2009-02-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6578360> -dead_strip inhibits weak coalescing in no_dead_strip section
+ * src/ld/ld.cpp: remove atoms coalesced away from fLiveRootAtoms
+ * unit-tests/test-cases/dead_strip-weak-coalesce: added test case
+
+
+2009-02-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6581809> x86_64 weak_import broken for initialized data
+ * src/ld/MachOReaderRelocatable.hpp: use isWeakImportSymbol() in Reader<x86_64>::addRelocReference()
+ * src/other/dyldinfo.cpp: update to display weak_import attribute
+ * unit-tests/test-cases/weak_import: updated test case
+
+
+2009-02-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6541812> ld parsing of __eh_frame unwind information is slow
+ * src/ld/MachOReaderRelocatable.hpp: build a std::map of all __eh_frame relocations for x86_64
+
+
+----- Tagged ld64-95.2.3
+
+2009-02-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6545406> ld: warning: can't add line info to anonymous symbol
+ * src/ld/MachOReaderRelocatable.hpp: don't warn about line info in dyld stubs
+
+
+----- Tagged ld64-95.2.2
+
+2009-02-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6548268> ld -r does not preserve the N_NO_DEAD_STRIP bit
+ * src/ld/MachOWriterExecutable.hpp: set N_NO_DEAD_STRIP based on dontDeadStrip()
+ * unit-tests/test-cases/dead_strip-r_symbol_desc: added test case
+
+
+----- Tagged ld64-95.2.1
+
+----- Tagged ld64-95.2.10
+
+2009-04-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6805002> corrupt metaclass entry in dynamic library
+ * src/ld/ld.cpp: change Section constructor to copy segment and section names
+
+
+----- Tagged ld64-95.2.9
+
+2009-04-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6744267> Update ld64 for new triples introduced in 6654669 to support ARM LLVM
+ * src/ld/LTOReader.hpp: change "arm-" to "arm" so matching works for new triples
+
+
+----- Tagged ld64-95.2.8
+
+2009-03-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6713931> anonymous functions have the compact unwind info computed wrong
+ * ld/MachOReaderRelocatable.hpp: use new compact unwind function in AnonymousAtom
+
+
+----- Tagged ld64-95.2.7
+
+2009-03-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6670421> AddressBook incorrectly gets _objc_msgSend from WebKit
+ * src/ld/MachOReaderDylib.hpp: fix processIndirectLibraries() to not force a private re-export of a dylib
+ that is already explictly or implicitly linked.
+ * unit-tests/test-cases/re-export-optimizations-indirect: add test case
+
+
+2009-03-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6665853> dyld weak linking optimization leaves some symbols unbound
+ * src/ld/MachOWriterExecutable.hpp: be sure to create bind entry for a reference
+ to a symbol in a dylib that is a weak definition
+ * unit-tests/test-cases/coalesce_weak_def_in_dylib: add test case
+
+
+2009-03-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6666004> many OS i386 OS dylibs still have __IMPORT segment
+ * ld/MachOReaderRelocatable.hpp: moved where __IMPORT/__pointer is changed to __DATA/__nl_symbol_ptr
+ * unit-tests/test-cases/stripped-indirect-symbol-table: updated to test for this problem
+
+
+----- Tagged ld64-95.2.6
+
+2009-02-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6633530> ld might set MH_WEAK_DEFINES when it should not
+ * src/ld/MachOWriterExecutable.hpp: only consider atoms in fRegularDefAtomsThatOverrideADylibsWeakDef
+ that will be exported when computing MH_WEAK_DEFINES
+ * unit-tests/test-cases/operator-new: updated to reproduce issue
+
+
+----- Tagged ld64-95.2.5
+
+2009-02-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6605499> x86_64 obj-c runtime confused when static lib is stripped
+ * src/ld/MachOWriterExecutable.hpp: in setLocalNlist() don't use 'l' labels for x86_64 strings
+ * unit-tests/test-cases/objc-literal-pointers-strip: added test case
+
+
+----- Tagged ld64-95.2.4
+
+2009-02-23 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOReaderRelocatable.hpp: ignore ARM_THUMB_32BIT_BRANCH relocs
+
+
+2009-02-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6583555> Writer<A>::symbolIndex() uses a linear search and does not scale
+ * src/ld/MachOWriterExecutable.hpp: build a std::map so symbolIndex() scales better
+
+
+2009-02-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6312070> Use new compact encodings that handle all register permutations
+ * src/ld/Architectures.hpp: add kSectionOffset24
+ * src/ld/ObjectFile.h: add getFDE()
+ * src/ld/MachOReaderRelocatable.hpp: use new libunwind functions to get new compact encoding
+ * src/ld/MachOWriterExecutable.hpp: use new compact encoding which includes offset in dwarf if needed
+ * src/other/unwinddump.cpp: update unwinddump output to display register save set
+
+
+2009-02-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6511619> runtime error with bundle for 10.5 that has weak external symols
+ * src/ld/ld.cpp: fix hybrid (10.5) compressed linkedit info for data pointing to weak definitions
+
+
+2009-02-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6583757> i386 relocation error with negative offsets from local labels
+ * src/ld/MachOReaderRelocatable.hpp: handle when base addr of scattered relocation does not point to a label
+ * unit-tests/test-cases/relocs-neg-from-local: add test case
+
+
+2009-02-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6578360> -dead_strip inhibits weak coalescing in no_dead_strip section
+ * src/ld/ld.cpp: remove atoms coalesced away from fLiveRootAtoms
+ * unit-tests/test-cases/dead_strip-weak-coalesce: added test case
+
+
+2009-02-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6581809> x86_64 weak_import broken for initialized data
+ * src/ld/MachOReaderRelocatable.hpp: use isWeakImportSymbol() in Reader<x86_64>::addRelocReference()
+ * src/other/dyldinfo.cpp: update to display weak_import attribute
+ * unit-tests/test-cases/weak_import: updated test case
+
+
+2009-02-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6541812> ld parsing of __eh_frame unwind information is slow
+ * src/ld/MachOReaderRelocatable.hpp: build a std::map of all __eh_frame relocations for x86_64
+
+
+----- Tagged ld64-95.2.3
+
+2009-02-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6545406> ld: warning: can't add line info to anonymous symbol
+ * src/ld/MachOReaderRelocatable.hpp: don't warn about line info in dyld stubs
+
+
+----- Tagged ld64-95.2.2
+
+2009-02-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6548268> ld -r does not preserve the N_NO_DEAD_STRIP bit
+ * src/ld/MachOWriterExecutable.hpp: set N_NO_DEAD_STRIP based on dontDeadStrip()
+ * unit-tests/test-cases/dead_strip-r_symbol_desc: added test case
+
+
+----- Tagged ld64-95.2.1
+
+2009-01-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6532377> gcc DejaGnu failure: building longcall/dylib library
+ * src/ld/MachOWriterExecutable.hpp: if no __DATA sections insert non-lazy pointers at end of __TEXT segment
+ * unit-tests/test-cases/no-data-bundle: added test case
+
+
+----- Tagged ld64-95.2
+
+2009-01-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6476760> strip -S fails with "new trie is larger than original"
+ * src/other/PruneTrie.cpp: don't align trie more than original trie was aligned
+
+
+----- Tagged ld64-95.1
+
+2008-12-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOWriterExecutable.hpp: in new linkedit format, make sure only exported symbols
+ make it into weak binding info
+
+
+----- Tagged ld64-95
+
+2008-12-18 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/Options.cpp: move check for fSharedRegionEligible until fPrebind has stabilized
+
+
+2008-12-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6305021> Generate new compressed LINKEDIT when targeting 10.6
+ * src/ld/Options.cpp: turn on compressed LINKEDIT by default
+
+
+----- Tagged ld64-94.1
+
+2008-12-16 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/Options.cpp: Fix -F handling in buildSearchPaths()
+
+
+----- Tagged ld64-94
+
+2008-12-15 Nick Kledzik <kledzik@apple.com>
+
+ * doc/man/man1/ld.1: document new options
+
+
+2008-12-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6134468> linker should enforce all .o files have same sub-type, and ignore sub-type of dylibs
+ * doc/man/man1/ld.1: update man page about -allow_sub_type_mismatches
+ * src/ld/ld.cpp: call validFile() with new arguments
+ * src/ld/MachOReaderRelocatable.hpp: add new arguments to validFile()
+ * src/ld/Options.cpp: Support LD_ALLOW_CPU_SUBTYPE_MISMATCHES and -allow_sub_type_mismatches
+
+
+2008-12-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6438270> -syslibroot should skip standard search paths not in the SDK
+ * src/ld/Options.cpp: in buildSearchPaths() if an SDK is specified don't add
+ standard search paths not in the SDK.
+
+
+2008-12-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6406609> ld: remove "can't make compact unwind encoding" warning
+ * src/ld/ObjectFile.h: add fWarnCompactUnwind
+ * src/ld/Options.cpp: -warn_compact_unwind --> fWarnCompactUnwind
+ * src/ld/MachOReaderRelocatable.hpp: test fWarnCompactUnwind before warning
+
+
+2008-12-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6442926> Add dtrace usdt support for arm to ld64
+ * src/ld/MachOWriterExecutable.hpp: handle arm::kDtraceIsEnabledSite
+ * unit-tests/test-cases/dtrace-static-probes: use is-enabled in test case
+
+
+----- Tagged ld64-93
+
+2008-12-11 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/ObjectFile.h: add fIPhoneVersionMin to track min iPhoneOS version
+ * src/ld/Options.cpp: use fIPhoneVersionMin
+
+
+2008-12-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6431277> non-lazy pointer to non-global tentative definition encoded wrong
+ * src/ld/MachOWriterExecutable.hpp: don't use INDIRECT_SYMBOL_LOCAL for tentative definitions
+ * unit-tests/test-cases/non-lazy-r: updated test case
+
+
+2008-12-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6437667> kernel fails to boot when ld64 used for intermediate ld -r step
+ * src/ld/MachOWriterExecutable.hpp: in -r mode when generating a scattered sect-diff reloc for
+ i386/arm, special case when from target is not the atom
+ the relocation is in.
+ * unit-tests/test-cases/relocs-asm: update test case
+
+
+2008-12-11 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/ld.cpp: handle new __program_vars section
+ * src/ld/MachOWriterExecutable.hpp: handle inserting synthesized sections when there is no __dyld section
+
+
+2008-12-11 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOReaderRelocatable.hpp: Fix getDescription() to work when direct reference is to anonymous atom
+
+
+2008-12-10 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/Options.cpp: enable LD_FORCE_NO_PREBIND to be used with arm
+
+
+2008-12-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6258169> Developer tool to print the new compressed LINKEDIT information
+ * src/other/dyldinfo.cpp: fix typo in usage()
+
+
+2008-12-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6308882> SnowLeopard kernel should compile warning free
+ * src/ld/MachOReaderRelocatable.hpp: correct parse two global labels at end of section and make one an alias
+ * unit-tests/test-cases/end-label: update test case
+
+
+2008-12-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6342245> Better warning than "PPC_RELOC_JBSR should not be using an external relocation"
+ * src/ld/MachOReaderRelocatable.hpp: issue warning with .o path if it was compiled with -mlong-branch
+
+
+2008-12-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6408832> linker should not map __pointers -> __nl_symbol_ptr unless actually making new LINKEDIT
+ * src/ld/ObjectFile.h: add fMakeCompressedDyldInfo for readers to see
+ * src/ld/Options.cpp: set fMakeCompressedDyldInfo for readers to see
+ * src/ld/MachOReaderRelocatable.hpp: check fMakeCompressedDyldInfo
+
+
+2008-12-02 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/debugline.c: fix error handling in line_open()
+
+
+2008-11-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6401277> vtable with thumb entries broke after ld -r
+ * src/ld/MachOReaderRelocatable.hpp: if target of reloc is thumb, mask thumb bit off addend
+ * unit-tests/test-cases/thumb-pointer: added test case
+
+
+2008-11-26 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/Option.cpp: Fix how crashreporterBuffer is created to not miss some arguments
+
+
+2008-11-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6398605> Security.framework has some duplicate FDEs for some functions
+ * src/ld/ld.cpp: remove fDeadAtoms from fLiveAtoms when there are weak atoms overriden by late loads
+ * unit-tests/test-cases/dead_strip-archive-eh: added test case
+
+
+----- Tagged ld64-92
+
+2008-11-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/MachOReaderDylib.hpp: if export_size is zero, no need to parse trie
+ * src/abstraction/MachOTrie.hpp: gracefully handle empty trie
+
+
+2008-11-21 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6257854> strip(1) support for new compressed LINKEDIT information
+ * ld64.xcodeproj/project.pbxproj: build and install new libprunetrie.a
+ * src/other/prune_trie.h: added
+ * src/other/PruneTrie.cpp: implements prune_trie()
+
+
+2008-11-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld/ld.cpp: if an export file is used and all weak symbols are masked, don't set WEAK_DEFINES
+ * unit-tests/test-cases/weak-def-flag: added test case
+
+
+2008-11-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6305021> Generate new compressed LINKEDIT when targeting 10.6
+ * src/ld/MachOWriterExecutable.hpp: support generating new compressed format
+ * src/ld/MachOReaderRelocatable.hpp: new compress format implies non-lazy pointers in __DATA for i386
+ * src/ld/MachOReaderDylib.hpp: support linking aginst new format
+ * src/ld/Options.cpp: suppport -exported_symbols_order and -no_compact_linkedit
+ * src/ld/ld.cpp: track which atoms have weak counter parts in dylibs
+ * src/other/dyldinfo.cpp: added tool to display new LINKEDIT format
+ * ld64.xcodeproj/project.pbxproj: add dyldinfo tool
+ * unit-tests/*: lots of fixes to work with new format
+
+
+2008-11-20 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6389316> ld64 should preserve N_WEAK_REF when linking MH_KEXT_BUNDLEs
+ * src/ld/MachOWriterExecutable.hpp: set up fWeakImportMap in synthesizeKextGOT()
+
+
+2008-11-19 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6342406> VideoToolbox.framework has bad __TEXT.__eh_frame info
+ * src/ld/Options.cpp: add -no_eh_labels option for use with -r
+ * src/ld/MachOWriterExecutable.hpp: generate correct x86_64 labeless relocs in -r mode
+ * src/ld/MachOReaderRelocatable.hpp: now ignore all labels and relocations in
+ __TEXT/__eh_frame section and rely on getCFIs() from libunwind
+ * unit-tests/test-cases/eh-coalescing-no-labels: add test case
+
+
+2008-11-19 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6378110> LTO doesn't like dtrace symbols
+ * src/ld/LTOReader.hpp: ignore __dtrace_probe undefines in bitcode files
+
+
+2008-11-14 Nick Kledzik <kledzik@apple.com>
+
+ * src/abstraction/MachOFileAbstraction.hpp: fix to work with 10.5 headers
+
+
+----- Tagged ld64-91
+
+2008-11-07 Nick Kledzik <kledzik@apple.com>
+
+ Remove COMPACT_UNWIND_SUPPORT conditionalizing
+
+
+2008-11-06 Nick Kledzik <kledzik@apple.com>
+
+ Reorganize source layout. ld sources are now in "ld",
+ and other tools are in "other".
+
+
+2008-11-05 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: start installing unwinddump tool
+ * src/UnwindDump.cpp: support -arch option
+ * doc/man/man1/unwinddump.1: create man page
+
+
+2008-11-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6337329> linker should put cpusubtype in n_sect field of nlist entry for N_OSO debug note entries
+ * src/ld.cpp: in synthesizeDebugNotes() set other field of OSO to be subtype
+
+
+2008-11-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/3738966> Need a linker option to load all objects from one library
+ * src/Options.cpp: support -force_load option
+ * src/ArchiveReader.hpp: Add fForceLoad ivar
+ * doc/man/man1/ld.1: update man page with -force_load option
+ * unit-tests/test-cases/archive-force-load: add test case
+
+
+2008-11-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6308882> Dtrace Probe Warnings: SnowLeopard kernel should compile warning free
+ * src/ld.cpp: don't generate GSYM stabs for old style __dtrace_probe
+ * src/MachOReaderRelocatable.hpp: fix test for deciding if a symbol is an alias
+
+
+2008-11-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6294378> ADOBE: XCODE: ld: duplicate typeinfo in executable
+ * src/ld.cpp: in dead-strip mode, record overriden symbols and later rebind all uses
+ * unit-tests/test-cases/dead_strip-archive-weak: add test case
+
+
+2008-11-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6254202> support increased branch range in Thumb-2
+ * src/MachOReaderRelocatable.hpp: handle full branch range in addRelocReference()
+ * unit-tests/test-cases/branch-distance: added test case
+
+2008-10-31 Devang Patel <dpatel@apple.com>
+
+ <rdar://problem/5725712> Sqlite 3.5.4 built with lvm-gcc-4.2 -O4 fails regression test
+ * src/LTOReader.hpp: Use real atom scope when real atom is available.
+ Preserve globals while optimizing an executable.
+
+2008-10-30 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: support all encodings in getEncodedP()
+
+
+----- Tagged ld64-90
+
+2008-10-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6327584> icc has dwarf unwind info that is different than gcc
+ * src/MachOReaderRelocatable.hpp: support more encodings in getEncodedP()
+
+
+2008-10-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6088653> build ld64 for x86_64
+ * ld64.xcodeproj/project.pbxproj: add X86_64 to valid archs
+
+
+2008-10-23 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: use generated @$(DERIVED_FILE_DIR)/linker_opts for extra
+ linker options. This allows linker to be built if LTO headers and libs are missing.
+
+
+2008-10-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6273617> Linker warning not shown in the Xcode build log
+ * src/Options.cpp: add colon to format string in warning()
+
+
+----- Tagged ld64-89.3
+
+2008-10-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6317985> ld64-89 broke TOT OpenGL libProgrammability x86_64 build
+ * src/MachOReaderRelocatable.hpp: add cast in getEncodedP()
+
+
+----- Tagged ld64-89.2
+
+2008-10-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6312895> SnowLeopard: Libsystem built with ld64-89.1 causes crashes
+ * src/MachOReaderRelocatable.hpp: when FDE information causes __text atom to be split, make the
+ atoms follow-on pairs.
+
+
+----- Tagged ld64-89.1
+
+2008-10-22 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: for x86_64 __eh_frame force direct references
+
+
+2008-10-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/ObjectDump.cpp: Use getContentType() to see if content type is a cstring
+
+
+----- Tagged ld64-89
+
+2008-10-21 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6253171> 10A180 with QT-1119 roots: iTunes and QuickTime cannot play back purchased videos
+ <rdar://problem/5950453> linker should not need .eh labels
+ * src/MachOWriterExecutable.hpp: use kCFIType to set section attributes
+ * src/MachOReaderRelocatable.hpp: use libunwind's CFITuple to parse __eh_frame content
+ * src/ld.cpp: Add adjustScope() phase instead of demoting scope within symboltable.add()
+ * unit-tests/test-cases/eh-stripped-symbols: added test case
+
+
+----- Tagged ld64-88.1
+
+2008-10-16 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: Fix uses of COMPACT_UNWIND_SUPPORT
+ * src/MachOWriterExecutable.hpp: Fix uses of COMPACT_UNWIND_SUPPORT
+
+
+2008-09-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6255983> OBJC2: Reorder __DATA,__objc_* sections by writedness
+ * src/ld.cpp: change sorting order of Sections
+
+
+2008-09-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6159479> Executable produced by XCode 3.2 on 10.6 crashes on 10.3.9
+ * src/MachOWriterExecutable.hpp: set objc_module_info_addr field of module table
+
+
+----- Tagged ld64-88
+
+2008-09-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5935708> kexts need to be built as MH_BUNDLE mach-o files
+ * src/ld.cpp: use getUndefinedProxyAtom() with kKextBundle
+ * src/MachOFileAbstraction.hpp: add MH_KEXT_BUNDLE
+ * src/Options.cpp: support -kext for all architectures
+ * src/MachOWriterExecutable.hpp: support kKextBundle to make a bundle like kext
+ * unit-tests/test-cases/kext-basic: added test case
+
+
+2008-09-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6052546> ld invoking wrong ld_classic
+ * src/Options.cpp: first look for ld_classic relative to ld itself
+
+
+2008-09-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5855588> ld fails to link references from 32 bit code into 64 bit code
+ <rdar://problem/5955200> Desired 32-bit absolute relocation
+ * src/Architectures.hpp: add x86_64::kPointer32
+ * src/MachOReaderRelocatable.hpp: support X86_64_RELOC_UNSIGNED with length=2
+ * src/MachOWriterExecutable.hpp: support x86_64::kPointer32
+ * unit-tests/test-cases/relocs-asm/relocs-asm.s: added 32-bit pointer tests
+
+
+2008-09-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6075323> Should be able to mark dylibs as auto-dead-dylib-strip
+ * src/Options.h: add fMarkDeadStrippableDylib
+ * src/MachOReaderDylib.hpp: check MH_DEAD_STRIPPABLE_DYLIB
+ * src/ObjectFile.h: add deadStrippable()
+ * src/MachOFileAbstraction.hpp: add MH_DEAD_STRIPPABLE_DYLIB
+ * src/Options.cpp: support -mark_dead_strippable_dylib
+ * src/MachOWriterExecutable.hpp: test reader->deadStrippable(), set MH_DEAD_STRIPPABLE_DYLIB
+ * doc/man/man1/ld.1: update man page
+ * unit-tests/test-cases/dead_strippable_dylib: added test case
+
+
+2008-09-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6197601> ER: Add -seg_page_size option
+ * src/Options.cpp: add -seg_page_size option
+ * src/MachOWriterExecutable.hpp: use new page size info when laying out segments
+ * doc/man/man1/ld.1: update man page
+
+
+2008-09-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5798786> -arch_errors_fatal not working
+ * src/ld.cpp: check fOptions.errorOnOtherArchFiles()
+ * src/Options.cpp: turn -arch_errors_fatal into fOptions.errorOnOtherArchFiles()
+
+
+2008-09-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6161215> CrashTracer: [USER] 1 crash in ld at ld: 0x5ce02
+ * src/ld.cpp: abort if resolve() finds an unresolved reference, rather than allow a future crash
+
+
+2008-09-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6157989> linker crashes linking X86-64 with -fwritable-strings
+ * src/MachOReaderRelocatable.hpp: handle unbound cfstring references
+ * unit-tests/test-cases/cfstring-coalesce: update test case
+
+
+2008-09-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6213035> ld64: bl out of range (-17147704 max is +/-16M) on ppc
+ * src/MachOWriterExecutable.hpp: tweak branch island regions to be every 14MB instead of 15MB
+
+
+2008-09-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5907981> -filelist fails with comma in path
+ * src/Options.cpp: in loadFileList() first try without special comma meaning
+ * unit-tests/test-cases/filelist/Makefile: update test case
+
+
+2008-09-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6203068> nop not used when aligning functions in -r mode
+ * src/MachOWriterExecutable.hpp: change check for when to pad with nops to not test segment's name
+
+
+2008-09-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6238329> "-pie can only be used when linking a main executable" should be a warning, not an error
+ * src/Options.cpp: make -pie on a dylib or bundle be a warning instead of an error
+
+
+2008-09-23 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: add warning if dwarf cannot be encoded as compact unwind
+
+
+2008-09-18 Nick Kledzik <kledzik@apple.com>
+
+ * src/LTOReader.hpp: re-enable use of lto_codegen_debug_options()
+
+
+2008-09-16 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6219054> ld does not always set S_CSTRING_LITERALS on __TEXT,__cstring
+ * src/MachOReaderRelocatable.hpp: add getContentType() to SymbolAtom
+ * src/MachOWriterExecutable.hpp: for x86_64 don't override named cstrings with LC* name
+
+
+2008-09-10 Nick Kledzik <kledzik@apple.com>
+
+ * Options.cpp: add __crashreporter_info__ to communicate command line to crash reporter
+ * ld64.xcodeproj/project.pbxproj: leave local symbols in ld to provide better crash reports
+
+
+2008-09-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6126637> 161569 GCC 4.2 - breakpoints no longer work for a large number of functions
+ * src/MachOReaderRelocatable.hpp: support DW_FORM_strp out-of-line strings when parsing line table
+
+
+2008-09-02 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: fix compact unwind personality for dyld and -slow_stubs
+
+
+2008-08-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6186838> -weak_library no longer forces uses to be weak_import
+ * src/MachOWriterExecutable.hpp: use fWeakImport on dylib to force proxy atoms into fWeakImportMap
+ * unit-tests/test-cases/weak_import-force: added test case
+
+
+2008-08-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6061558> linker should order __DATA segment to reduce dyld dirtied pages
+ * src/Options.cpp: add fOrderData and support -no_data_order
+ * src/ld.cpp: modify tweakLayout() to sort atoms with relocations to start of __data section
+
+
+2008-08-27 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: back out <rdar://problem/6174493>
+
+
+----- Tagged ld64-87.5
+
+2008-08-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6174493> some projects show _Unwind_Resume coming from libSystem.B.dylib
+ * src/Options.cpp: swap any early symlinks to libSystem with libgcc_s
+
+
+----- Tagged ld64-87.4
+
+2008-08-25 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6174493> some projects show _Unwind_Resume coming from libSystem.B.dylib
+ * src/Options.cpp: swap any early libSystem with libgcc_s
+
+
+2008-08-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5898326> Unable to build ppc debug builds (linker out of range error)
+ * src/MachOWriterExecutable.hpp: in addPPCBranchIslands() look ahead so large atoms don't push out branch islands
+
+
+----- Tagged ld64-87.3.1
+
+2008-09-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6204202> i386 dylibs have incorrect personality pointers when put in dyld shared cache
+ * src/MachOWriterExecutable.hpp: in addCrossSegmentRef() handle kImageOffset32 to __IMPORT segment
+
+
+----- Tagged ld64-87.3
+
+2008-08-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6125381> work around compiler gcc_except_table alignment
+ * src/ObjectFile.h: change getLSDA() to return a reference instead of an atom
+ * src/MachOReaderRelocatable.hpp: special case __eh_frame 64-bit pointer diff relocations
+ * src/MachOWriterExecutable.hpp: track lsda offset when creating __unwind_info section
+ * src/UnwindDump.cpp: log when LDSA content does not start with 0xFF
+
+----- Tagged ld64-87.2
+
+2008-08-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6131559> 10A141: libuwind falls back to dwarf and makes whole system super slow
+ * src/MachOWriterExecutable.hpp: Fix sign extension bug with x86_64::kPointerDiff24
+ * src/UnwindDump.cpp: warn about mangled LSDA entries when dumping unwind section
+
+
+----- Tagged ld64-87.1
+
+2008-08-03 Nick Kledzik <kledzik@apple.com>
+
+ * src/LTOReader.hpp: Don't use lto_codegen_debug_options until newer libLTO.dylib is available
+
+
+----- Tagged ld64-87
+
+2008-07-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: Always set fAutoOrderInitializers=false for dyld
+
+
+2008-07-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: fix when regular vs compressed __unwind_info pages are generated
+ * src/UnwindDump.cpp: fix function name decoding in regular pages
+
+
+2008-07-21 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: don't allow ld to build for x86_64 until libdtrace.dylib is available
+
+
+2008-07-18 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: don't crash if debug_line section has no line table
+
+
+2008-07-18 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5628149> Duplicate probe firings in Security.framework
+ * src/LTOReader.hpp: optimize() now returns atoms optimized away
+ * src/ObjectFile.h: optimize() should return if it did anything
+ * src/ArchiveReader.hpp: pass through optimize() result
+ * src/ld.cpp: rework dtrace probe processing as a new pass to prevent double counting
+
+
+2008-07-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6061904> automatically order initializers to start of __TEXT
+ * src/Options.cpp: add -no_order_inits option
+ * src/MachOReaderRelocatable.hpp: merge __StaticInit into __text
+ * src/ObjectFile.h: add fAutoOrderInitializers
+ * src/ld.cpp: sort initializer to start of __text and terminators to end
+ * doc/man/man1/ld.1: add doc about -no_order_inits
+ * unit-tests/test-cases/init-order: add test case
+
+2008-07-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6073697> Only add LC_SEGMENT_SPLIT_INFO to dylibs that might be in the shared cache
+ * src/MachOWriterExecutable.hpp: re-layout load commands after split-seg data computed
+ * src/Options.cpp: non-public install name will disable split-seg load command
+
+
+2008-07-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6069861> ld -r for x86_64 is changing visibility of cstring constants
+ * src/MachOWriterExecutable.hpp: force x86_64 cstring labels to be local in -r mode
+ * unit-tests/test-cases/cstring-label: added test case
+
+
+2008-07-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6070190> ld not adding updating LC_SEGMENT_SPLIT_INFO with __unwind_info section
+ * src/MachOWriterExecutable.hpp: run createSplitSegContent() after __unwind_info section is created
+
+2008-07-10 Nick Kledzik <kledzik@apple.com>
+
+ * src/LTOReader.hpp: improve missing symbol error message
+
+
+2008-07-09 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6061558> linker should order __DATA segment to reduce dyld dirtied pages
+ * src/ld.cpp: first phase, order sections
+
+
+2008-07-08 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: remove "coal" sections when creating a final linked image
+
+
+2008-07-08 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6054476> ld: add support for mllvm LTO options
+ * src/Options.cpp: support -mllvm option
+ * src/LTOReader.hpp: call lto_codegen_debug_options() with -mllvm options
+ * src/ld.cpp: pass llvmOptions to optimize()
+ * src/Options.h: add fLLVMOptions
+ * src/ArchiveReader.hpp: add llvmOptions parameter to optimize()
+ * src/ObjectFile.h: add llvmOptions parameter to optimize()
+ * unit-tests/test-cases/lto-llvm-options: add test case
+
+
+2008-07-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6054296> Linker fails with: 24-bit pointer diff out of range in unwind info in unwind info from...
+ * src/MachOWriterExecutable.hpp: fix when to fallback to uncompressed unwind info
+
+
+2008-07-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6001472> ld crash with gcc-4.0 code that uses a zero sized array
+ * src/MachOReaderRelocatable.hpp: handle zero size atom in a zero sized section
+
+
+2008-07-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6016809> ld crashes when bad ppc relocs are found
+ * src/MachOReaderRelocatable.hpp: change all missing PAIR warnings to errors
+
+
+2008-07-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5881324> when linking a kext the static linker should leave a pad in the headers to allow code signing
+ * src/MachOWriterExecutable.hpp: add padding for load commands in object files
+ * unit-tests/test-cases/code-signed-object-file: added test case
+
+
+2008-07-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6048484> LC_SEGMENT_64 filesize incorrect for MH_OBJECT filetype
+ * src/MachOWriterExecutable.hpp: correctly set segment size info in object files
+ * unit-tests/test-cases/no-object-symbols: add test case
+
+
+2008-06-26 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: enable ld and rebase targets to build for x86_64
+ * src/rebase.cpp: remove unused fRelocBase field that was not 64-bit clean
+ * src/MachOReaderRelocatable.hpp: fix getEncodedP() to be 64-bit clean
+
+
+----- Tagged ld64-86.3
+
+2008-06-17 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: fix loadUndefines() to double check undefine symbol was not already loaded
+
+
+----- Tagged ld64-86.2
+
+2008-06-14 Nick Kledzik <kledzik@apple.com>
+
+ * srd/ld.cpp: Add NULL check in getTentativesNames()
+
+
+----- Tagged ld64-86.1
+
+2008-06-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: fix header padding calculation for dyld
+
+
+----- Tagged ld64-86
+
+2008-06-04 Nick Kledzik <kledzik@apple.com>
+
+ * src/LTOReader.hpp: if lto_codegen_add_module() fails, add explanation to error message
+
+
+2008-06-04 Nick Kledzik <kledzik@apple.com>
+
+ * src/ObjectFile.h: add deadAtoms parameter to optimize()
+ * src/ld.cpp: ditto
+ * src/ArchiveReader.hpp: ditto
+ * src/MachOReaderRelocatable.hpp: handle llvm use of 0x1B pointer encodings in CIEs
+ * src/LTOReader.hpp: make sure libLTO.dylib knows about any llvm symbol coalesced away
+ * unit-tests/test-cases/lto-weak-native-override: add test case
+
+
+2008-06-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5935600> LTO : 176.gcc and 177.mesa build failure at -O4
+ * src/LTOReader.hpp: make sure internal is returned by getAtoms()
+ * unit-tests/test-cases/lto-archive-dylib: update test case
+
+
+2008-06-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5894163> fix for 5613343 need to search for definitions for common symbols is broken
+ * src/ld.cpp: modify loadUndefines() to check for undefines in all files and tentative definitions but only in archives
+ * src/machochecker.cpp: check for undefine symbols and external symbols with same name
+ * unit-tests/test-cases/tentative-and-archive: update test case
+
+
+2008-06-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5935237> linker produces wrong result for 16-bit call relocations
+ * src/MachOReaderRelocatable.hpp: properly parse i386 scattered relocs for word sized pc-rel vanilla
+ * src/MachOWriterExecutable.hpp: propery compute displacement for x86::kPCRel16
+ * unit-tests/test-cases/relocs-asm: update test case with callw instructions
+
+
+2008-06-03 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5905900> Building kext x86_64 with unexported symbols file causes linking problems
+ * src/MachOWriterExecutable.hpp: better check when creating undefined proxy atoms
+ * unit-tests/test-cases/unexported_symbols_list-r: added test case
+
+
+2008-06-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5659338> S_CSTRING_LITERALS section type not preserved in executable
+ * src/ObjectFile.h: added ContentType
+ * src/MachOReaderRelocatable.hpp: set ContentType for anonymous string literals
+ * src/MachOWriterExecutable.hpp: set S_CSTRING_LITERALS if ContentType is kCStringType
+ * unit-tests/test-cases/cstring-custom-section: added test case
+
+
+2008-06-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5980194> linker should produce __unwind_info section in final linked images
+ * src/ld.cpp: sort __unwind_info then __eh_frame section to end of __TEXT
+ * src/Architectures.hpp: add kImageOffset32 and kPointerDiff24
+ * src/ObjectFile.h: add compact unwind info support
+ * src/MachOReaderRelocatable.hpp: add compact unwind info support
+ * src/MachOFileAbstraction.hpp: add C++ wrappers for unwind section layout
+ * src/UnwindDump.cpp: new tool for dumping __unwind_info section
+ * src/MachOWriterExecutable.hpp: create __unwind_info section when needed
+ * src/ObjectDump.cpp: print unwind info
+
+
+2008-06-02 Nick Kledzik <kledzik@apple.com>
+
+ * unit-tests/test-cases/llvm-integration: split out some test cases
+ * unit-tests/test-cases/lto-preload-pie: added
+ * unit-tests/test-cases/lto-archive-dylib: added
+
+
+2008-05-30 Nick Kledzik <kledzik@apple.com>
+
+ * unit-tests: fixes to build all tests with with gcc-4.2 on SnowLeopard
+
+
+2008-05-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5536348> support -preload option to generate MH_PRELOAD binaries compatible with mtoc(1) and EFI
+ * src/ld.cpp: add entryPoint parameter to optimize()
+ * src/ArchiveReader.hpp: ditto
+ * src/ObjectFile.h: ditto
+ * src/LTOReader.hpp: use entryPoint parameter to optimize()
+ * src/Options.h: add kPreload and segment alignment
+ * src/Options.cpp: support -preload and -segalign
+ * src/MachOWriterExecutable.hpp: support kPreload and non-page aligned segments
+
+
+2008-05-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4431008> ld should warn if passed -r and also dylibs
+ * src/ld.cpp: check for spurious dylibs in Linker::addDylib()
+
+
+----- Tagged ld64-85.6
+
+2008-11-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6254202> support increased branch range in Thumb-2
+ * src/MachOWriterExecutable.hpp: in fixUpReferenceFinal() support new longer branch range
+
+
+2008-11-01 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6104368> ld warning: unknown option to -iphoneos_version_min, not 1.x or 2.x
+ * src/Options.cpp: In setIPhoneVersionMin() support 3.x
+
+
+----- Tagged ld64-85.5
+
+2008-09-17 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6162415> vtable pointers can be missing thumb bit
+ * src/MachOWriterExecutable.hpp: Writer<arm>::fixUpReferenceFinal() OR in the 1 bit if the target
+ of a arm::kReadOnlyPointer is thumb.
+
+
+----- Tagged ld64-85.4
+
+2008-08-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6138961> ld should ignore LD_PREBIND when processing a static archive
+ * src/MachOWriterExecutable.hpp: in setImportNlist() never use N_PBUD for object files
+
+----- Tagged ld64-85.3
+
+2008-07-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/6060912> Prebinding busted in DTSB
+ * src/Options.cpp: check for libstdc++.6.0.[49] in seg_addr_table
+
+
+----- Tagged ld64-85.2
+
+2008-05-06 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+2008-05-06 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5914343> encryptable images may not be signable
+ * src/MachOWriterExecutable.hpp: use minimum header padding when aligning __text section
+
+
+----- Tagged ld64-85 (Xcode 3.1)
+
+2008-04-29 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: <llvm-c/lto.h> is moving from /usr/local/include to /Developer/usr/local/include
+
+
+2008-04-29 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
+
+
+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
+
+
+2008-04-17 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: better cpu subtype support
+
+
+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
+
+
+2008-04-10 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: fix stubs used with lazy dylibs
+
+
+----- Tagged ld64-84.4
+
+2008-04-10 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+----- Tagged ld64-84.3
+
+2008-04-09 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
+
+
+----- Tagged ld64-84.2
+
+2008-04-04 Nick Kledzik <kledzik@apple.com>
+
+ * 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
+
+
+----- Tagged ld64-84.1
+
+2008-03-28 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
+
+
+----- Tagged ld64-84
+
+2008-03-28 Nick Kledzik <kledzik@apple.com>
+
+ * src/LTOReader.hpp: don't print lto version, if lto is unavailable
+
+
+2008-03-26 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+2008-03-26 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+2008-03-25 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+2008-03-25 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
+
+
+2008-03-25 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.cpp: Fix some .objc_class_name_ off by one problem
+ * src/MachOWriterExecutable.cpp: Fix some .objc_class_name_ off by one problem
+
+
+2008-03-24 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.
+
+
+2008-03-21 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: warn if -seg1addr value is not page aligned
+
+
+2008-03-21 Nick Kledzik <kledzik@apple.com>
+
+ <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 ld64-83.2
+
+2008-03-15 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+----- Tagged ld64-83.1
+
+2008-03-14 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5800466> -iphone_version_min ==> -iphoneos_version_min
+ * src/Options.cpp: support -iphoneos_version_min as well
+
+
+----- Tagged ld64-83
+
+2008-03-10 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
+
+
+2008-03-04 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
+
+
+----- Tagged ld64-82.7
+
+2008-03-07 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+----- Tagged ld64-82.6
+
+2008-03-04 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
+
+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
+
+
+2008-02-29 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
+
+
+2008-02-29 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
+
+
+2008-02-29 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
+
+
+2008-02-25 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
+
+
+----- Tagged ld64-82.5
+
+2008-02-12 Nick Kledzik <kledzik@apple.com>
+
+ <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 ld64-82.4
+
+2008-02-06 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
+
+
+2008-02-06 Devang Patel <dpatel@apple.com>
+
+ <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.
+
+2008-02-05 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: fix for -arch ppc -mdynamic-no-pic -pie so PPC_RELOC_HA16 reloc is used
+
+----- Tagged ld64-82.3
+
+2008-02-04 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 $os10.6$
+
+
+----- Tagged ld64-82.2
+
+2008-01-30 Devang Patel <dpatel@apple.com>
+
+ <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>
+
+ * src/MachOReaderRelocatable.hpp: don't bus error if S_LITERAL_POINTERS is missing relocs
+
+
+2008-01-22 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
+
+
+----- Tagged ld64-82
+
+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
+
+
+2008-01-16 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
+
+
+2008-01-16 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+2008-01-16 Nick Kledzik <kledzik@apple.com>
+
+ <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.
+
+
+2008-01-16 Devang Patel <dpatel@apple.com>
+
+ * src/LLVMReader.hpp: Use __gnu_cxx::hash_map instead of hash supported by LLVM.
+
+
+2008-01-16 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
+
+
+2008-01-15 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
+
+----- Tagged ld64-81.5
+
+2008-01-14 Devang Patel <dpatel@apple.com>
+
+ <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.
+
+
+2008-01-14 Nick Kledzik <kledzik@apple.com>
+
+ <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>
+
+ <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
+
+
+2008-01-11 Nick Kledzik <kledzik@apple.com>
+
+ * doc/man/man1/ld.1: add doc for -no_implicit_dylibs, -read_only_stubs, -slow_stubs, -interposable_list
+
+
+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
+
+
+2008-01-11 Nick Kledzik <kledzik@apple.com>
+
+ <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>
+
+ <rdar://problem/5669751> Unknown error with linker (dyld: unknown external relocation type)
+ * src/ld.cpp: fix crash when SO stabs are not balanced
+
+
+2008-01-11 Devang Patel <dpatel@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.
+
+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
+
+
+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
+
+----- Tagged ld64-81.4.1
+
+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>
+
+ * src/LLVMReader.hpp: Add fOptimizer NULL check before calling printVersion().
+
+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.
+
+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.
+
+----- Tagged ld64-81.4
+
+2007-12-18 Devang Patel <dpatel@apple.com>
+
+ * src/LLVMReader.hpp: Invalidate input architecture when optimizer is not available.
+
+----- Tagged ld64-81.3
+
+2007-12-17 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: remove extraneous header search paths
+
+
+2007-12-17 Devang Patel <dpatel@apple.com>
+
+ * 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.
+
+
+2007-12-14 Nick Kledzik <kledzik@apple.com>
+
+ <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
+
+
+2007-12-14 Devang Patel <dpatel@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>
+
+ <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 ld64-81.2
+
+
+
+2007-12-07 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5615298> support 8-bit relocations for i386
+ * src/Architectures.hpp: add kPCRel8
+ * src/MachOReaderRelocatable.hpp: support 8-bit pc-rel relocations for intel
+ * src/MachOWriterExecutable.hpp: support 8-bit pc-rel relocations for intel
+ * unit-tests/test-cases/relocs-asm: add test cases
+
+
+----- Tagged ld64-81.1
+
+2007-12-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderDylib.hpp: rework cycle detection to remove some false positives
+
+
+2007-12-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5628149> Duplicate probe firings in Security.framework
+ * src/ld.cpp: check dtrace probe sites are not in fDeadAtoms before using
+ * unit-tests/test-cases/dtrace-static-probes-coalescing: add test case
+
+
+2007-12-05 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: fix CFString coalescing to work with -fwritable-strings
+ * unit-tests/test-cases/cfstring-coalesce: add -fwritable-strings to test case
+
+
+----- Tagged ld64-81
+
+2007-11-15 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4196067> ld64 should support runtime text relocations
+ * src/MachOWriterExecutable.hpp: add generatesLocalTextReloc() and generatesExternalTextReloc()
+ * src/Options.cpp: process -read_only_relocs option
+ * src/Options.h: add allowTextRelocs() and warnAboutTextRelocs()
+ * src/MachOReaderRelocatable.hpp: add hasLongBranchStubs()
+ * src/machochecker.cpp: allow relocs in read only segments, if section flags are set
+ * unit-tests/test-cases/read-only-relocs: update test case
+
+
+2007-11-08 Devang Patel <dpatel@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: add new build phase "build configure.h" for
+ ld target.
+ * src/ld.cpp: Include "configure.h"
+
+
+----- Tagged ld64-80.11
+
+2008-02-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5741312> Wrong section name for objc info for ARM when OBJC2 is used
+ * src/MachOWriterExecutable.hpp: switch segment/section name for ARM objc2 image info
+
+----- Tagged ld64-80.10
+
+2008-02-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5733578> ld64 does not support -aspen_version_min 2.0
+ * src/Options.cpp: allow 2.x for -aspen_version_min
+
+
+2008-02-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5733575> ld_classic: unknown flag: -aspen_version_min
+ * src/Options.cpp: change -aspen_version_min x.x to -macosx_version_min 10.5 when invoking ld_classic
+
+
+----- Tagged ld64-80.9
+
+2008-01-29 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5713054> -iphone_version_min ==> -aspen_version_min
+ * src/Options.cpp: support -aspen_version_min
+
+
+----- Tagged ld64-80.8
+
+2008-01-10 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: support transition to new objc ABI for ARM by allowing old .objc_class_name_*
+ style names in export files and map them to new _OBJC_CLASS_$_ style names.
+
+
+----- Tagged ld64-80.7
+
+2008-01-02 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5572168> BigBear5A18 isn't fully prebound
+ * src/Options.cpp: make fNeedsModuleTable true for arm
+
+----- Tagged ld64-80.6
+
+2007-11-30 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5620976> -iphone_version_min
+ * src/Options.cpp: handle -iphone_version_min option
+
+
+----- Tagged ld64-80.5
+
+2007-11-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5601142> need to special case some dylibs in seg_addr_table
+ * src/Options.cpp: retry seg_add_table lookup for a couple of unusual dylibs
+
+
+----- Tagged ld64-80.4
+
+2007-11-06 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: fix parsing of external and scattered thumb branch22 relocs
+ * unit-tests/test-cases/thumb-blx: add test case to keep blx issues from coming back
+
+----- Tagged ld64-80.3
+
+2007-11-03 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOReaderRelocatable.hpp: remove recalc of dstAddr which could cause thumb branches to be +2
+ * src/MachOWriterExecutable.hpp: remove incorrect test for relocateableExternal
+
+----- Tagged ld64-80.2
+
+2007-11-01 Nick Kledzik <kledzik@apple.com>
+
+ * src/ld.cpp: hack my own prototype for log2() until math.h is cleaned up
+
+
+----- Tagged ld64-80.1
+
+2007-11-01 Nick Kledzik <kledzik@apple.com>
+
+ * ld64.xcodeproj/project.pbxproj: add HEADER_SEARCH_PATHS for cross builds
+ * src/ld.cpp: temporarily disable LLVM_SUPPORT
+ * src/MachOWriterExecutable.hpp: Don't use CC_MD5() directly
+
+
+2007-10-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5556038> Cannot build with libm_static.a statically linked
+ * src/MachOWriterExecutable.hpp: Fix makesExternalRelocatableReference() for -r -d case
+ * unit-tests/test-cases/tentative-to-real-hidden: add test case
+
+
+----- Tagged ld64-80
+
+2007-10-24 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4222696> linker should probably warn about trying to export a hidden symbol
+ * src/ld.cpp: if using -exported_symbols_list check each hidden atom as it is added to symbol table
+ * src/Options.h,.cpp: add hasExportMaskList()
+ * unit-tests/test-cases/exported_symbols_list-hidden: added test case
+
+
+2007-10-24 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: keep old style dtrace probes externel for kernel builds
+
+
+2007-10-23 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4556199> unify error and warning messages
+ <rdar://problem/5546450> -w should suppress warnings
+ * src/ld.cpp: use warning() function
+ * src/Options.h: remove emitWarnings()
+ * src/MachOReaderDylib.hpp: use warning() function
+ * src/MachOReaderRelocatable.hpp: use warning() function
+ * src/Options.cpp: use and implement warning()
+ * src/MachOWriterExecutable.hpp: use warning() function
+ * unit-tests/test-cases/visibility-warning: verify -w suppresses warnings
+
+
+2007-10-23 Devang Patel <dpatel@apple.com>
+
+ * src/ld.cpp: Cover arm support inside __OPEN_SOURCE__ macro check.
+ * src/LLVMReader.hpp: Cover arm support inside __OPEN_SOURCE__ macro check.
+ * src/MachOReaderDylib.hpp: Cover arm support inside __OPEN_SOURCE__ macro check.
+ * src/ObjectFile.h: Cover arm support inside __OPEN_SOURCE__ macro check.
+ * src/MachOReaderRelocatable.hpp: Cover arm support inside __OPEN_SOURCE__ macro check.
+ * src/OpaqueSection.hpp: Cover arm support inside __OPEN_SOURCE__ macro check
+ * src/MachOWriterExecutable.hpp: Cover arm support inside __OPEN_SOURCE__ macro check.
+ * src/ObjectDump.cpp: Cover arm support inside __OPEN_SOURCE__ macro check.
+
+
+2007-10-22 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: add support for LD_DEAD_STRIP and LD_WARN_COMMONS
+ * src/MachOReaderRelocatable.hpp: fix problem with -dead_strip of ObjC literal pointers
+
+
+2007-10-22 Nick Kledzik <kledzik@apple.com>
+
+ * src/Options.cpp: have -static arm code link with ld_classic (for now)
+
+
+2007-10-22 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5396826> Recognize all arm architectures
+ * src/MachOReaderRelocatable.hpp: add support for all ARM sub-types
+ * unit-tests/test-cases/cpu-sub-types: add test cases for all combinations of ARM sub-types
+
+
+2007-10-19 Nick Kledzik <kledzik@apple.com>
+
+ * src/*: merge in arm support
+ * unit-tests/test-cases/*: fix to work for arm and thumb
+
+----- Tagged ld64-79
+
+2007-10-16 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: if -r mode, always set custom alignment (SET_COMM_ALIGN) on common symbols
+ * unit-tests/test-cases/visibility-warning-dylib-v-archive/Makefile: fix warning
+ * unit-tests/test-cases/static-executable/Makefile: fix spurious failure
+
+
+2007-10-16 Nick Kledzik <kledzik@apple.com>
+
+ * src/MachOWriterExecutable.hpp: fix edge case in branch island generation
+
+
+2007-10-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5323449> Add option to create old, slow stubs for i386
+ * src/ObjectFile.h/.cpp: support -read_only_stubs
+ * src/MachOWriterExecutable.hpp: enhance StubAtom<x86> to support old style __symbol_stub/__la_symbol_ptr stubs
+ * unit-tests/test-cases/slow-x86-stubs: add test case
+
+
+2007-10-12 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5427952> ld64's re-export cycle detection logic prevents use of X11 libGL on Leopard
+ * src/Options.cpp: in findFileUsingPaths() don't search for embedded dylibs
+ * unit-tests/test-cases/indirect-path-search/Makefile: added case for a dylib embedded in a framework
+
+
+2007-10-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5451987> add option to disable implicit load commands for indirectly used public dylibs
+ * src/Options.cpp: add support for -no_implicit_dylibs
+ * src/ObjectFile.h: add fImplicitlyLinkPublicDylibs
+ * src/MachOReaderDylib.hpp: test fImplicitlyLinkPublicDylibs before hoisting an implicitly linked dylib
+ * unit-tests/test-cases/implicit_dylib: add test case
+
+
+2007-10-11 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5254413> -interposable_list
+ * src/Options.h/cpp: Add fInterposeList and fInterposeMode to support -interposable_list
+ * src/MachOWriterExecutable.hpp: pass symbol name to fOptions.interposable()
+ * unit-tests/test-cases/interposable_list: add test case
+
+
+2007-10-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5529626> If only weak_import symbols are used, linker should use LD_LOAD_WEAK_DYLIB
+ * src/MachOWriterExecutable.hpp: automatically use LC_LOAD_WEAK_DYLIB if all symbols used from a dylib are weak_import
+ * unit-tests/test-cases/weak_dylib: added test case
+
+
+2007-10-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5504954> linker does not error when dylib ordinal exceeds 250
+ * src/MachOWriterExecutable.hpp: error out if ordinals exceed max allowed
+
+
+2007-10-10 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/4067110> overriding 'operator new' or 'operator delete' fails if no weak symbols are present
+ * src/ld.cpp: at end of checkUndefines() search dylibs for weak versions of any global external symbols
+ * src/ObjectFile.h: add hasWeakExternals() method to Reader
+ * src/MachOReaderDylib.hpp: implement hasWeakExternals() method in Reader
+ * src/ExecutableFile.h: add overridesDylibWeakDefines parameter to write()
+ * src/MachOWriterExecutable.hpp: use overridesDylibWeakDefines parameter to write()
+ * unit-tests/test-cases/operator-new: add test case
+
+
+2007-10-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5048861> No warning about tentative definition conflicting with dylib definition
+ <rdar://problem/5132652> .comm variables in shared library, worked with XCode 2.4.1, broken with XCode 3?
+ * src/ld.cpp: at end of checkUndefines() verify if any remaining commons conflict with dylibs
+ * doc/man/man1/ld.1: document -commons and -warn_commons options
+ * unit-tests/test-cases/tentative-and-dylib: added test case
+
+
+2007-10-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5346331> NS/CFString constants are not dead strippable
+ * src/MachOReaderRelocatable.hpp: break up __cfstring section into one atom per cfstring, make them coalesable
+ * unit-tests/test-cases/cfstring-coalesce: added test case
+
+
+2007-10-05 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5524973> Dead stripping + exported symbols list using wildcards doesn't seem to do the right thing
+ * src/Options.cpp/h: add hasWildCardExportRestrictList()
+ * src/ld.cpp: if dead stripping code and have wildcard exports, add all global atoms matching wildcards as roots
+ * unit-tests/test-cases/exported-symbols-wildcards-dead_strip: added test case
+
+
+2007-10-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5433882> ld shouldn't search /Network/Library/Frameworks by default
+ * src/Options.cpp: remove /Network/Library/Frameworks/ from default search path
+ * doc/man/man1/ld.1: document the change
+
+
+2007-10-04 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5341567> all binaries should get LD_UUID load commands, not just those with DWARF symbols
+ * src/ld.cpp: default fCreateUUID to be true for non object file output types
+ * unit-tests/test-cases/no-uuid/Makefile: update test case to match new rules
+
+
+----- Tagged ld64-78
+
+2007-09-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5476313> range check load commands
+ * src/MachOReaderDylib.hpp: check that load commands all fit in load command size from header
+ * src/MachOReaderRelocatable.hpp: check that load commands all fit in load command size from header
+
+
+2007-09-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5433355> Xc8M2540a: ld64 crashes when linking Pascal program
+ * src/ld.cpp: fix findAtomAndOffset() to handle where there are no function atoms
+
+
+2007-09-27 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5241179> ADOBE Xcode 3: ld -dead_strip does not work with -init from an archive
+ * src/ld.cpp: add bool parameter to entryPoint() so -init atom not looked for too soon
+ * unit-tests/test-cases/dead_strip-init-archive: added test case
+
+
+2007-09-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5459546> Spurious link warnings for inline members of C++ template classes
+ * src/ld.cpp: check definition kinds before warning about visibility mismatches
+ * unit-tests/test-cases/visibility-warning: added test case
+
+
+2007-09-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5394172> an empty .o file with zero load commands will crash linker
+ * src/MachOReaderRelocatable.hpp: have Reader constructor return early of no load commands
+ * unit-tests/test-cases/empty-object: added test case
+
+
+2007-09-26 Nick Kledzik <kledzik@apple.com>
+
+ <rdar://problem/5453384> 9a527: ppc64 branch islands fail with 4GB pagezeo
+ * src/MachOWriterExecutable.hpp: start range calculations at start of __text not at zero.
+
+
+----- Tagged ld64-77 (Xcode 3.0)
+
+2007-07-23 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>
- remove conditionals around x86_64 support
+ <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
------ Tagged ld64-59.3
+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>
-2006-07-02 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
- <rdar://problem/4664607> x86_64: instructions with immediate and rip-relative operands need to use new relocation types
- back port fix for 4656617 to Inca branch
+----- Tagged ld64-60
------ Tagged ld64-59.2
+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
- back port fix to Inca branch
+ 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
----- Tagged ld64-59
2006-06-22 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4596726> ld64 lost DWARF debug notes
- MachOReaderRelocatable.hpp: add fHasUUID so kDebugInfoStabsUUID can be set later
+ src/MachOReaderRelocatable.hpp: add fHasUUID so kDebugInfoStabsUUID can be set later
unit-tests/test-cases/dwarf-debug-notes-r: added test case
-
+
2006-06-21 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4567995> python 64-bit address miscalculation
src/MachOReaderRelocatable.hpp: change getTargetOffset() to sign extend the 32-bit value to 64-bits
-
+
2006-06-21 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4535036> ld64 seems to offset things incorrectly when using -r
- src/MachOWriterExecutable.hpp: in -r mode, virtual sections don't increment address
+ src/MachOWriterExecutable.hpp: in -r mode, virtual sections should not increment address
----- Tagged ld64-58
2006-06-15 Nick Kledzik <kledzik@apple.com>
src/rebase.cpp: fix to build in CurryWeed
- ld64.xcodeproj/project.pbxproj: fix to build properly in CurryWeed
+ ld64.xcodeproj/project.pbxproj: fix to build properly in CurryWeed
2006-06-15 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/4495309> Support .objc_class_name_* symbols
+ <rdar://problem/4495309> Support .objc_class_name_* symbols
src/ObjectFile.h: Add kSymbolTableInAsAbsolute
src/MachOReaderRelocatable.hpp: synthesize references to required objc classes
src/MachOWriterExecutable.hpp: write objc_class_name as absolute symbol
2006-06-15 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4569407> ld64 bogus duplicate symbol name linking GNU libobjc
- src/MachOReaderRelocatable.hpp: only special case Apple's objc runtime objc classes
+ src/MachOReaderRelocatable.hpp: only special case Apple objc runtime objc classes
2006-06-15 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4585335> jump table into middle of weak symbol causes error
src/MachOReaderRelocatable.hpp: create direct references to the interior of weak symbols
- src/MachOWriterExecutable.hpp: don't error on absolute references to interior of weak symbols
+ src/MachOWriterExecutable.hpp: do not error on absolute references to interior of weak symbols
2006-06-13 Nick Kledzik <kledzik@apple.com>
unit-tests/test-cases/rebase-basic: added
doc/man/man1/rebase.1: added
ld64.xcodeproj/project.pbxproj: added rebase target. changed all targets to build with dwarf
-
+
2006-06-10 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4565088> ld64 is not adding a final '/' char on the initial directory-name SO stab debug map entry
ld.cpp: Change Linker::synthesizeStabs() to assure directory SO always has a trailing slash
unit-tests/test-cases/dwarf-debug-notes/expected-stabs: update with trailing /
-
+
2006-06-06 Nick Kledzik <kledzik@apple.com>
- <rdar://problem/4572702> -sectcreate of a 0-byte section fails
+ <rdar://problem/4572702> -sectcreate of a 0-byte section fails
MachOWriterExecutable.cpp: Don't error out on zero length segments
MachOWriterExecutable.cpp: For ppc64 reloc base address is the first writable segment iff
there is a writable segment >4GB from base address
* src/MachOReaderRelocatable.cpp: mark non-lazy-pointer atoms as scopeTranslationUnit if targetting a static symbol
-2006-04-27 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4498971> dyld crashes ungracefully on x86_64 when there is an internal exception
- * src/MachOWriterExecutable.cpp: allow non-zero PCRELGOT addends (used by C++ eh frames)
2006-04-21 Nick Kledzik <kledzik@apple.com>
----- Tagged ld64-50
-2006-03-29 Nick Kledzik <kledzik@apple.com>
-
- * src/MachOWriterExecutable.hpp: fix x86_64 addends when -multi_module forces an external relocation
2006-03-29 Nick Kledzik <kledzik@apple.com>
* src/Options.cpp: setup ReaderOptions.fForFinalLinkedImage
* src/MachOReaderRelocatable.hpp: mark .eh symbols kSymbolTableNotIn when building final linked image
-2006-03-21 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4475928> Inca ld64-45 fatal error with C++ and asm() renaming
- * src/MachOReaderRelocatable.hpp: fix Reader<x86_64>::makeReferenceToEH(() to walk relocations to find
- target of eh symbol, rather assume target name is eh symbol name less .eh
-
2006-03-21 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4473742> ld64 does not parse optional second argument to -filelist
* unit-tests/test-cases/filelist: added
* src/Options.cpp: in Options::loadFileList() handle comma option
-2006-03-21 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4483625> 32-bit pointer difference out of range for cxx eh frame
- * src/MachOReaderRelocatable.hpp: x86_64 doesn't have anonymous non-lazy-pointers
- * src/machochecker.cpp: fix validFile() for x86_64
- * unit-tests/run-all-unit-tests: add x86_64
- * unit-tests/include/common.makefile: don't add -g to all compilers
- * unit-tests/test-cases/relocs-asm/relocs-asm.s: add x86_64 test cases
- * unit-tests/test-cases/relocs-c/Makefile: fix to work with x86_64
- * src/ld.cpp: add hack to use i386 dylibs if x86_64 don't exist
-
-2006-03-19 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4483330> ld64 crashes whenever I try to link with dylib1.o
- * src/MachOReaderRelocatable.hpp: in Reader<x86_64>::addRelocReference() fix local relocations
----- Tagged ld64-47.1
-2006-03-16 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4459633> ld64-41 in Leopard doesn't have x86_64 support
- * ld64.xcodeproj/project.pbxproj: enable x86_64 for Leopard
----- Tagged ld64-47
-2006-03-14 Nick Kledzik <kledzik@apple.com>
-
- * src/Architectures.hpp: redo x86_64 relocation types
- * src/MachOReaderRelocatable.hpp: redo x86_64 relocation types, make some section type illegal for x86_64
- * src/MachOWriterExecutable.hpp: redo x86_64 relocation types
-
-2006-03-13 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4467122> ld64 -r does not handle internal relocations for x86_64
- * src/MachOWriterExecutable.hpp: handle internal relocations in Writer<x86_64>::fixUpReferenceRelocatable()
- and Writer<x86_64>::addObjectRelocs().
----- Tagged ld64-46
----- Tagged ld64-45
-2006-03-06 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4466930> <rdar://problem/4467982> ld64 failed: rel32 out of range when linking a dylib
- * src/MachOWriterExecutable.cpp: in Writer<x86_64>::fixUpReferenceFinal add (int32_t) cast
2006-03-06 Nick Kledzik <kledzik@apple.com>
<rdar://problem/4466930> LP64/9A122: ld64: hang when trying to link DiscRecording framework
* src/Options.cpp: addSectionAlignment, warn on zero. Use log2() for alignment conversion
-2006-03-06 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4457818> x86_THREAD_STATE64_COUNT will change, ld64 must adapt
- * src/MachOWriterExecutable.hpp: update ThreadsLoadCommandsAtom<x86_64> for new thread status layout
----- Tagged ld64-44
----- Tagged ld64-43
-2006-03-03 Nick Kledzik <kledzik@apple.com>
-
- <rdar://problem/4465443> RIP-relative offsets aren't handled properly when the instruction has immediate operands
- * src/Architectures.hpp: add x86_64::kPCRel32_*
- * src/MachOReaderRelocatable.hpp: generate x86_64::kPCRel32_*
- * src/MachOWriterExecutable.hpp: process x86_64::kPCRel32_*
2006-03-02 Nick Kledzik <kledzik@apple.com>
projects / apple / ld64.git / blobdiff