ChangeLog

   1
   2 ----- Tagged ld64-95.9
   3
   4 2009-02-13     Nick Kledzik    <kledzik@apple.com>
   5
   6         <rdar://problem/6543423> Back out Linker changes for H2 hang
   7         * src/ld/Options.cpp: remove fPreventPageCrossingBranches
   8         * src/ld/MachOWriterExecutable.hpp: remove layout of __text so there are not page crossing branches
   9         * src/ld/MachOReaderRelocatable.hpp: parse but ignore ARM_THUMB_32BIT_BRANCH reloc
  10
  11
  12 ----- Tagged ld64-95.8.3
  13
  14 2009-03-31     Nick Kledzik    <kledzik@apple.com>
  15
  16         <rdar://problem/6719270> ld might set MH_WEAK_DEFINES when it should not
  17         * src/ld/MachOWriterExecutable.hpp: rescan fRegularDefAtomsThatOverrideADylibsWeakDef and only consider global ones
  18
  19
  20 ----- Tagged ld64-95.8.2
  21
  22 2009-03-18     Nick Kledzik    <kledzik@apple.com>
  23
  24         * src/ld/MachOReaderRelocatable.hpp: back out -force_cpusubtype_ALL changes
  25
  26
  27 ----- Tagged ld64-95.8.1
  28
  29 2009-03-17     Nick Kledzik    <kledzik@apple.com>
  30
  31         <rdar://problem/6578416> -dead_strip inhibits weak coalescing in no_dead_strip section
  32         * src/ld/ld.cpp: in markDead() remove from fLiveRootAtoms
  33
  34
  35 2009-03-17     Nick Kledzik    <kledzik@apple.com>
  36
  37         <rdar://problem/6671072> libgcc fails to build in with ld64-95.8
  38         * src/ld/MachOReaderRelocatable.hpp: interpret CPU_SUBTYPE_ARM_ALL as CPU_SUBTYPE_ARM_V4T
  39         * src/ld/Options.cpp: interept -force_cpusubtype_ALL as -arch armv4t
  40
  41
  42 ----- Tagged ld64-95.8
  43
  44 2009-02-09     Nick Kledzik    <kledzik@apple.com>
  45
  46         <rdar://problem/6569316> ld64-95.7 crashes building Foundation-678.39 in side build
  47         * src/ld/MachOReaderRelocatable.hpp: handle a zero length section with a label before __cstring section
  48
  49
  50 ----- Tagged ld64-95.7
  51
  52 2009-02-06     Nick Kledzik    <kledzik@apple.com>
  53
  54         * src/ld/ObjectFile.h: make fAddCompactUnwindEncoding false by default
  55
  56
  57 2009-02-06     Nick Kledzik    <kledzik@apple.com>
  58
  59         <rdar://problem/6537210> ER: add linker option to zero fill empty DATA sections on disk
  60         * src/ld/Options.cpp: add support for -no_zero_fill_sections
  61         * src/ld/MachOReaderRelocatable.hpp: isZeroFill() is only true if fOptimizeZeroFill
  62         * doc/man/man1/ld.1: document -no_zero_fill_sections
  63         * unit-tests/test-cases/no_zero_fill_sections: add test case
  64
  65
  66 2009-02-05     Nick Kledzik    <kledzik@apple.com>
  67
  68         <rdar://problem/6497366> label getting resolved to the wrong address.
  69         * src/ld/MachOWriterExecutable.hpp: add findAtomAndOffsetForSection() and use it to disambiguate
  70         * unit-tests/test-cases/label-on-end-of-section: added test case
  71
  72
  73 2009-01-27     Nick Kledzik    <kledzik@apple.com>
  74
  75         <rdar://problem/6517393> Warn -force_cpusubtype_ALL is not supported
  76         * src/ld/Options.cpp: warn if fForceSubtypeAll and fArchitecture is CPU_TYPE_ARM
  77
  78
  79 ----- Tagged ld64-95.6
  80
  81 2009-01-25     Nick Kledzik    <kledzik@apple.com>
  82
  83         <rdar://problem/6439020> Add support for section start/end labels
  84         * src/ld/ObjectFile.h: add kSectionStart and kSectionEnd
  85         * src/ld/MachOReaderRelocatable.hpp: create SectionBoundaryAtoms as needed
  86         * src/ld/ld.cpp: sort SectionBoundaryAtoms correctly
  87         * src/ld/MachOWriterExecutable.hpp: allow all relocations in preload images
  88
  89
  90 ----- Tagged ld64-95.5
  91
  92 2009-01-15     Nick Kledzik    <kledzik@apple.com>
  93
  94         * src/ld/MachOWriterExecutable.hpp: in hasPageCrossingBranches() ignore branches preceeded by a branch
  95
  96
  97 ----- Tagged ld64-95.4
  98
  99 2009-01-15     Nick Kledzik    <kledzik@apple.com>
 100
 101         * src/ld/Options.cpp: handle -kext and -r the same for fPreventPageCrossingBranches
 102
 103
 104 ----- Tagged ld64-95.3
 105
 106 2009-01-14     Nick Kledzik    <kledzik@apple.com>
 107
 108         <rdar://problem/6497574> linker should alter layout to prevent armv7 page crossing branches
 109         * src/ld/Options.cpp: set fPreventPageCrossingBranches
 110         * src/ld/MachOWriterExecutable.hpp: adjust layout of __text so there are not page crossing branches
 111         * src/ld/MachOReaderRelocatable.hpp: support new ARM_THUMB_32BIT_BRANCH reloce
 112
 113
 114 ----- Tagged ld64-95.2
 115
 116 2009-01-06     Nick Kledzik    <kledzik@apple.com>
 117
 118         <rdar://problem/6476760> strip -S fails with "new trie is larger than original"