ChangeLog

   1
   2 -------- tagged ld64-123.2.1
   3
   4 2010-03-07    Nick Kledzik    <kledzik@apple.com>
   5
   6     <rdar://problem/8955206> enable i386 ASLR
   7
   8 -------- tagged ld64-123.2
   9
  10 2010-12-10    Nick Kledzik    <kledzik@apple.com>
  11
  12         <rdar://problem/8746980> Man page typo: "dysmutil" under object_path_lto
  13
  14 2010-12-10    Nick Kledzik    <kledzik@apple.com>
  15
  16         <rdar://problem/8746896> ld64 crashes when warning about re-exported symbol
  17
  18 -------- tagged ld64-123.1
  19
  20 2010-12-07    Nick Kledzik    <kledzik@apple.com>
  21
  22         <rdar://problem/8732097> assertion if symbol from re-exported dylib is in -exported_symbols_list
  23
  24 -------- tagged ld64-123
  25
  26 2010-12-06    Nick Kledzik    <kledzik@apple.com>
  27
  28         <rdar://problem/8649182> Change default search order and add -search_dylibs_first to restore old behavior
  29
  30 2010-12-06    Nick Kledzik    <kledzik@apple.com>
  31
  32         <rdar://problem/8626058> ld should consistently warn when resolvers are not exported
  33
  34 2010-12-02    Nick Kledzik    <kledzik@apple.com>
  35
  36         <rdar://problem/8723307> data segment has file offset 0
  37
  38 -------- tagged ld64-122
  39
  40 2010-12-01    Nick Kledzik    <kledzik@apple.com>
  41
  42         Add #define ARM_RELOC_HALF in case trying to build with old mach-o/arm/reloc.h header
  43
  44 2010-11-30    Nick Kledzik    <kledzik@apple.com>
  45
  46         <rdar://problem/8134559> Linker should synthesize interworking stubs for tail calls
  47         added test case: unit-tests/test-cases/branch-interworking
  48
  49 2010-11-30    Nick Kledzik    <kledzik@apple.com>
  50
  51         <rdar://problem/8708091> Link Time Optimization error with tentative defs and -dead_strip
  52         added test case: unit-tests/test-cases/lto-dead_strip-tentative
  53
  54 -------- tagged ld64-121
  55
  56 2010-11-10    Nick Kledzik    <kledzik@apple.com>
  57
  58         Add -dylibs option to dyldinfo tool
  59
  60 2010-11-03    Nick Kledzik    <kledzik@apple.com>
  61
  62         <rdar://problem/7441442> Need support for ARM/thumb upper/lower 16 bit relocation
  63
  64 2010-11-03    Nick Kledzik    <kledzik@apple.com>
  65
  66         <rdar://problem/8624334> Spelling typo in linker warning
  67
  68 2010-11-02    Nick Kledzik    <kledzik@apple.com>
  69
  70         <rdar://problem/8616906> Xcode 4: ld -r doesn't work on files compiled with llvm-gcc -flto
  71
  72 2010-11-01    Nick Kledzik    <kledzik@apple.com>
  73
  74         <rdar://problem/8618747> ld wrongly complaining about tlv relocs for i386
  75
  76 2010-11-01    Nick Kledzik    <kledzik@apple.com>
  77
  78         Fix -why_live to list all references, not just first
  79
  80 2010-11-01    Nick Kledzik    <kledzik@apple.com>
  81
  82         <rdar://problem/8612861>
  83
  84 -------- tagged ld64-120.3
  85
  86 2010-11-09    Nick Kledzik    <kledzik@apple.com>
  87
  88         <rdar://problem/8644314> revert default search order
  89
  90 -------- tagged ld64-120.2
  91
  92 2010-11-09    Nick Kledzik    <kledzik@apple.com>
  93
  94         <rdar://problem/8510696> ld -r corrupts multiple non-lazy sections
  95
  96 -------- tagged ld64-120.1
  97
  98 2010-10-25    Nick Kledzik    <kledzik@apple.com>
  99
 100         <rdar://problem/8612550> When order file used on data, turn ordered zero fill symbols into zero data
 101
 102 -------- tagged ld64-120
 103
 104 2010-10-25    Nick Kledzik    <kledzik@apple.com>
 105
 106         <rdar://problem/8592564> ld should use this-image ordinal for symbols from re-exported non-public dylibs
 107         added test case: unit-tests/test-cases/re-export-and-use
 108
 109 2010-10-25    Nick Kledzik    <kledzik@apple.com>
 110
 111         <rdar://problem/8284718> Value of N_SO stabs should be address of first atom from translation unit
 112
 113 2010-10-25    Nick Kledzik    <kledzik@apple.com>
 114
 115         Always print arch name on undefined symbols error
 116
 117 2010-10-25    Nick Kledzik    <kledzik@apple.com>
 118
 119         Add ld64 version number to crash logs
 120
 121 2010-10-22    Nick Kledzik    <kledzik@apple.com>
 122
 123         <rdar://problem/7952947> -objc_abi_version 1 not supported
 124
 125 2010-10-22    Nick Kledzik    <kledzik@apple.com>
 126
 127         <rdar://problem/5591394> Add support to ld64 for N_FUN stabs when used for symbolic constants
 128
 129 2010-10-22    Nick Kledzik    <kledzik@apple.com>
 130
 131         <rdar://problem/3560832> Change default search order and add -search_dylibs_first to restore old behavior
 132
 133 2010-10-22    Nick Kledzik    <kledzik@apple.com>
 134
 135         <rdar://problem/6955037> -L flag should support a space between it and its argument
 136
 137 2010-10-22    Nick Kledzik    <kledzik@apple.com>
 138
 139         <rdar://problem/8553647> Hidden resolver functions don't work with DYLD_BIND_AT_LAUNCH
 140
 141 2010-10-22    Nick Kledzik    <kledzik@apple.com>
 142
 143         <rdar://problem/8541707> Support resolver functions for function pointer use from same linkage unit
 144
 145 2010-10-19    Nick Kledzik    <kledzik@apple.com>
 146
 147         <rdar://problem/8571323> section$start$ does not always point to start of built in section types
 148
 149 -------- tagged ld64-119.2
 150
 151 2010-10-18    Nick Kledzik    <kledzik@apple.com>
 152
 153         <rdar://problem/8553312> make having an ObjC2 class symbol in an export list be a warning instead of an error
 154
 155 2010-10-15    Nick Kledzik    <kledzik@apple.com>
 156
 157         <rdar://problem/8553283> lazily produce (crt1.o missing) error
 158
 159 -------- tagged ld64-119.1
 160
 161 2010-10-05    Nick Kledzik    <kledzik@apple.com>
 162
 163         <rdar://problem/8527740> ld -r can produce output with LC_DYLD_INFO load command
 164
 165 2010-10-05    Nick Kledzik    <kledzik@apple.com>
 166
 167         <rdar://problem/8516692> ld doesn't pass stabs debug info through to the final executable any longer
 168
 169 2010-10-05    Nick Kledzik    <kledzik@apple.com>
 170
 171         <rdar://problem/4251267> __UNIXSTACK placed incorrectly when -stack_addr < 0x4000000
 172
 173 2010-10-05    Nick Kledzik    <kledzik@apple.com>
 174
 175         <rdar://problem/8267015> ld mishandles -lazy-l option
 176         Updated test case: unit-tests/test-cases/lazy-dylib
 177
 178 2010-10-04    Nick Kledzik    <kledzik@apple.com>
 179
 180         <rdar://problem/8468240> -no_compact_unwind should suppress dwarf->CUE warnings
 181
 182 -------- tagged ld64-119
 183
 184 2010-10-01    Nick Kledzik    <kledzik@apple.com>
 185
 186         <rdar://problem/6599016> use ld64 to link iBoot
 187
 188 2010-10-01    Nick Kledzik    <kledzik@apple.com>
 189
 190         <rdar://problem/8504770> crash when entrypoint is thumb
 191
 192 2010-10-01    Nick Kledzik    <kledzik@apple.com>
 193
 194         If -ios_version_min is used with -arch i386, assume simulator
 195
 196 2010-10-01    Nick Kledzik    <kledzik@apple.com>
 197
 198         <rdar://problem/8500061> crash with multiple re-exported dylibs with same install_name
 199
 200 2010-09-28    Nick Kledzik    <kledzik@apple.com>
 201
 202         <rdar://problem/8032130> Linker complains about resolver functions when architecture is inferred.
 203
 204 2010-09-28    Nick Kledzik    <kledzik@apple.com>
 205
 206         <rdar://problem/6751424> ARM subtype not set on LTO programs
 207
 208 2010-09-28    Nick Kledzik    <kledzik@apple.com>
 209
 210         <rdar://problem/8481987> Link-Time Optimization assertion
 211         Added test cases:
 212                 unit-tests/test-cases/lto-dead_strip-objc
 213                 unit-tests/test-cases/lto-dead_strip-some-hidden
 214
 215 2010-09-24    Nick Kledzik    <kledzik@apple.com>
 216
 217         <rdar://problem/8441087> Support -dyld_env NAME=value
 218
 219 2010-09-23    Nick Kledzik    <kledzik@apple.com>
 220
 221         Previous BranchIsland code changes to make buildable with clang++ were bad.  Fix.
 222
 223 2010-09-23    Nick Kledzik    <kledzik@apple.com>
 224
 225         <rdar://problem/8274443> ld64 objc category merging asserts on category from old framework
 226
 227 2010-09-23    Nick Kledzik    <kledzik@apple.com>
 228
 229         <rdar://problem/8469063> ASLR Sidebuild: Many Projects Fail checksyms_read_only_relocs Verifier
 230
 231 2010-09-22    Nick Kledzik    <kledzik@apple.com>
 232
 233         Fix DOF section name bug
 234
 235 2010-09-22    Nick Kledzik    <kledzik@apple.com>
 236
 237         Fixes to build with clang++
 238
 239 2010-09-21    Nick Kledzik    <kledzik@apple.com>
 240
 241         In Resolver::fillInHelpersInInternalState(), dyld never needs stubs
 242
 243 2010-09-21    Ivan Krstic     <ike@apple.com>
 244
 245         <rdar://problem/8457083> ld: support non-executable heap Mach-O header flag
 246
 247 2010-09-21    Nick Kledzik    <kledzik@apple.com>
 248
 249         <rdar://problem/8175282> Xcode 4 linker fails with "address not in any section"
 250
 251 2010-09-20    Nick Kledzik    <kledzik@apple.com>
 252
 253         <rdar://problem/8198832> assertion failure reading i386 yasm .o (not using scattered reloc)
 254
 255 2010-09-20    Nick Kledzik    <kledzik@apple.com>
 256
 257         <rdar://problem/8430751> ld crashes when parsing dwarf and all code is not in __text
 258
 259 2010-09-17    Nick Kledzik    <kledzik@apple.com>
 260
 261         <rdar://problem/8396450> magic segment symbol names don't work with preload executables
 262         Update test case: unit-tests/test-cases/segment-labels
 263
 264 2010-09-17    Nick Kledzik    <kledzik@apple.com>
 265
 266         <rdar://problem/8445985> OSO in DebugNotes for LTO should point to generated mach-o not, bitcode .o file
 267
 268 2010-09-16    Nick Kledzik    <kledzik@apple.com>
 269
 270         <rdar://problem/8413931> FUN in debug map not rebased
 271         Update test case: unit-tests/test-cases/rebase-basic
 272
 273 2010-09-16    Nick Kledzik    <kledzik@apple.com>
 274
 275         <rdar://problem/8427133> Relocation failure with i386 32-bit diff to stub
 276
 277 2010-09-16    Nick Kledzik    <kledzik@apple.com>
 278
 279         <rdar://problem/8437287> assert when targeting 10.5 and crt1.o/dylib1.o is not supplied
 280
 281 -------- tagged ld64-118.1
 282
 283 2010-09-15    Nick Kledzik    <kledzik@apple.com>
 284
 285         Fix missing rebase commands that broke perl
 286
 287 2010-09-15    Nick Kledzik    <kledzik@apple.com>
 288
 289         <rdar://problem/8252819> assert when .objc_class_name_* symbol missing
 290         Add test case: unit-tests/test-cases/archive-ObjC-unexported
 291
 292 2010-09-13    Nick Kledzik    <kledzik@apple.com>
 293
 294         <rdar://problem/8419850> linker does not honor $ld$hide for umbrella libraries
 295         Added test case: unit-tests/test-cases/symbol-hiding-umbrella
 296
 297 2010-09-09    Nick Kledzik    <kledzik@apple.com>
 298
 299         <rdar://problem/6723729> LC_UUID uuids should conform to RFC 4122 UUID version 4 & UUID version 5 formats
 300
 301 2010-09-09    Nick Kledzik    <kledzik@apple.com>
 302
 303         <rdar://problem/4942948> support -bind_at_load
 304
 305 2010-09-07    Nick Kledzik    <kledzik@apple.com>
 306
 307         <rdar://problem/7989734> ld mis-handling std::tr1::anonymous symbols
 308         Remove support for ordering gcc-4.0 compiled anonymous namespace symbols
 309
 310
 311 -------- tagged ld64-118
 312
 313 2010-09-02    Nick Kledzik    <kledzik@apple.com>
 314
 315         <rdar://problem/8308697> -preload should not have LINKEDIT segment
 316         Added test case: unit-tests/test-cases/efi-basic
 317
 318 2010-09-02    Nick Kledzik    <kledzik@apple.com>
 319
 320         <rdar://problem/8389578> trivial Objective-C app fails when using libLTO
 321         Added test case: unit-tests/test-cases/lto-objc-image-info
 322
 323 2010-09-02    Nick Kledzik    <kledzik@apple.com>
 324
 325         <rdar://problem/8384727> Add -reexport_symbols_list option to re-export certain symbols.
 326         Added test case: unit-tests/test-cases/reexport_symbols_list
 327
 328 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 329
 330         <rdar://problem/7438246> LTO with 'dead code strip' can't ignore unused functions with undefined references
 331         Add test case: unit-tests/test-cases/lto-dead_strip-unused
 332
 333 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 334
 335         Warn if unaligned ARM code is detected
 336
 337 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 338
 339         <rdar://problem/8383175> Mach-O linked by current linker don't load in VIrtualBox any more
 340
 341 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 342
 343         <rdar://problem/8304984> Linker should pick default visibility instead of warning about conflicts
 344         Updated test case: unit-tests/test-cases/visibility-warning
 345
 346 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 347
 348         <rdar://problem/8249338> Enable new load commands
 349
 350 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 351
 352         <rdar://problem/8368679>  Do not pass -demangle to ld_classic
 353
 354 2010-09-01    Nick Kledzik    <kledzik@apple.com>
 355
 356         <rdar://problem/8336910> iOS 4.3 armv7 should be PIE by default
 357         <rdar://problem/5472933> better error message for direct access to external globals when not linking read_only_relocs
 358         <rdar://problem/7927510> linker does not error on direct (static) data references to a dylib symbol
 359
 360 -------- tagged ld64-117.11
 361
 362 2010-09-03    Nick Kledzik    <kledzik@apple.com>
 363
 364         <rdar://problem/8385011> mask thumb bit off non lazy pointers content when parsing arm .o files
 365
 366 -------- tagged ld64-117.10
 367
 368 2010-08-26    Nick Kledzik    <kledzik@apple.com>
 369
 370         <rdar://problem/8358084> 8F64 kills installtest devices
 371         Don't clear thumb bit on pointers inside thumb functions if addend is negative
 372
 373 -------- tagged ld64-117.9
 374
 375 2010-08-25    Nick Kledzik    <kledzik@apple.com>
 376
 377         <rdar://problem/8345038> no more audio because of broken thunk
 378         Update of thumb22 b.w instruction was not clearing bits before or'ing in new ones
 379
 380 -------- tagged ld64-117.8
 381
 382 2010-08-25    Nick Kledzik    <kledzik@apple.com>
 383
 384         <rdar://problem/8342028> prefetch abort in kernel mode: fault_addr=0xe58024e4
 385         Don't set thumb bit on .long pointers in thumb functions that point to some offset in same function
 386
 387 -------- tagged ld64-117.7
 388
 389 2010-08-24    Nick Kledzik    <kledzik@apple.com>
 390
 391         <rdar://problem/8346444> dyld-179.4 fails to link, assert in setLoadCommandsPadding()
 392         Fix linker to always put __text first before other code-only sections
 393
 394 -------- tagged ld64-117.6
 395
 396 2010-08-23    Nick Kledzik    <kledzik@apple.com>
 397
 398         <rdar://problem/8339702> ld no longer output static archive dependencies for dyld for B&I
 399         Add test case unit-tests/test-cases/dependency-logging
 400
 401 -------- tagged ld64-117.5
 402
 403 2010-08-20    Nick Kledzik    <kledzik@apple.com>
 404
 405         <rdar://problem/8309595> SWB: ld64-117.1 on Durango8F54: Assertion failed:
 406         UTF16 CFStrings were not coalesced correctly when gcc built the .o files and the
 407         last string in the __ustring section only had a single zero byte at the end.
 408
 409 -------- tagged ld64-117.4
 410
 411 2010-08-19    Nick Kledzik    <kledzik@apple.com>
 412
 413         <rdar://problem/8326544> DTSJ1J105: SpringBoard crashes on boot
 414         Fix order file to move aliases even when subsections_via_symbols it used
 415         Update test case unit-tests/test-cases/order_file
 416
 417 2010-08-17    Nick Kledzik    <kledzik@apple.com>
 418
 419         Fix resolver functions to survive ld -r.
 420         Warn if resolver functions are made non-external.
 421
 422 2010-08-17    Nick Kledzik    <kledzik@apple.com>
 423
 424         Make it an error for resolver functions to be used in anything but a dylib.
 425
 426 -------- tagged ld64-117.3
 427
 428 2010-08-17    Nick Kledzik    <kledzik@apple.com>
 429
 430         Fix thumb resolver functions
 431         Enable updward dylibs and symbol re-exports for iOS 4.2
 432
 433 2010-08-16    Nick Kledzik    <kledzik@apple.com>
 434
 435         <rdar://problem/8308697> Latest ld no longer supports EFI -preload
 436         Rearrange LINKEDIT chunks in -preload mode
 437
 438 -------- tagged ld64-117.2
 439
 440 2010-08-14    Nick Kledzik    <kledzik@apple.com>
 441
 442         <rdar://problem/8308697> Latest ld no longer supports EFI -preload
 443         Add LC_UNIXTHREAD to -preload
 444
 445 2010-08-14    Nick Kledzik    <kledzik@apple.com>
 446
 447         <rdar://problem/8309530> SWB: ld64-117.1 on Durango8F54: Assertion failed: (categoryAtom->size() == Category<A>::size())
 448         gcc-4.0 uses 'L' labels on categories.  This merges them onto previous data and disable category optimzation
 449
 450 2010-08-14    Nick Kledzik    <kledzik@apple.com>
 451
 452         <rdar://problem/8309917> SWB: ld64-117.1 on Durango8F54: bad category optimization
 453         Disable category optimization for i386 and arm until further testing
 454
 455 2010-08-14    Nick Kledzik    <kledzik@apple.com>
 456
 457         <rdar://problem/8309608> SWB: ld64-117.1 on Durango8F54: address not in any section
 458         Handle pointer diff to stub for weak hidden function
 459
 460 2010-08-13    Nick Kledzik    <kledzik@apple.com>
 461
 462         <rdar://problem/8308697> Latest ld no longer supports EFI -preload
 463
 464 -------- tagged ld64-117.1
 465
 466 2010-08-11    Nick Kledzik    <kledzik@apple.com>
 467
 468         Make missing exported symbols a warning to help adoption of new linker
 469
 470 2010-08-11    Nick Kledzik    <kledzik@apple.com>
 471
 472         Add ExternalRelocationsAtom<>::pointerReloc() to more easily support kext bundles
 473
 474 2010-08-09    Nick Kledzik    <kledzik@apple.com>
 475
 476         <rdar://problem/8210380> SWB: ld64-116.2 fix branch to label-4
 477
 478 2010-08-09    Nick Kledzik    <kledzik@apple.com>
 479
 480         <rdar://problem/8260073> Error with empty non_lazy_symbol_pointers section
 481
 482 2010-08-06    Nick Kledzik    <kledzik@apple.com>
 483
 484         <rdar://problem/7977374> Add command line options to control symbol weak-def-bit on exported symbols
 485
 486 -------- tagged ld64-117
 487
 488 2010-07-28    Nick Kledzik    <kledzik@apple.com>
 489
 490         <rdar://problem/8243431> split seg info wrong for x86_64 stub helpers
 491
 492 2010-07-26    Nick Kledzik    <kledzik@apple.com>
 493
 494         <rdar://problem/8237436> __nlcatlist categories should not be optimized
 495
 496 2010-07-23    Nick Kledzik    <kledzik@apple.com>
 497
 498         <rdar://problem/8179273> ld64 assertion on object file
 499
 500 2010-07-21    Nick Kledzik    <kledzik@apple.com>
 501
 502         <rdar://problem/7435296> Reorder sections to reduce page faults in object files
 503
 504 2010-06-30    Nick Kledzik    <kledzik@apple.com>
 505
 506         Support resolver functions in iOS dylibs
 507
 508 -------- tagged ld64-116.2
 509
 510 2010-06-30    Nick Kledzik    <kledzik@apple.com>
 511
 512         <rdar://problem/8138287> C programs get objc GCness from dylibs
 513         Update: unit-tests/test-cases/objc-gc-checks
 514
 515 -------- tagged ld64-116.1
 516
 517 2010-06-22    Nick Kledzik    <kledzik@apple.com>
 518
 519         <rdar://problem/8111013> address range check should not apply to preload executables
 520
 521 2010-06-22    Nick Kledzik    <kledzik@apple.com>
 522
 523         Warn instead of error when CPU_SUBTYPE_ARM_ALL .o files used.
 524
 525 2010-06-22    Nick Kledzik    <kledzik@apple.com>
 526
 527         Fix assert in objc category optimzation.  Metaclass also has copy of propery list to update.
 528
 529 2010-06-22    Nick Kledzik    <kledzik@apple.com>
 530
 531         Fix crash in -r mode with -alias.
 532
 533 -------- tagged ld64-116
 534
 535 2010-06-21    Nick Kledzik    <kledzik@apple.com>
 536
 537         Add support for -ios_version_min as an alias for -iphoneos_version_min
 538
 539 2010-06-21    Nick Kledzik    <kledzik@apple.com>
 540
 541         <rdar://problem/7687304> linker could merge method lists from class and its categories
 542         Added test case: unit-tests/test-cases/objc-category-optimize
 543         Added option: -no_objc_category_merging to disable
 544
 545 2010-06-21    Nick Kledzik    <kledzik@apple.com>
 546
 547         <rdar://problem/8113877> i386 TLV PIC reloc content is negated
 548
 549 2010-06-15    Nick Kledzik    <kledzik@apple.com>
 550
 551         Added better error messages and asserts for bad thread local object files
 552
 553 2010-06-09    Nick Kledzik    <kledzik@apple.com>
 554
 555         <rdar://problem/8076986>
 556
 557 2010-06-09    Nick Kledzik    <kledzik@apple.com>
 558
 559         <rdar://problem/7966333> executable has no debug symbols when compiled with LTO
 560         Added test case: unit-tests/test-cases/lto-object_path
 561
 562 2010-06-09    Nick Kledzik    <kledzik@apple.com>
 563
 564         <rdar://problem/7702923> stop promoting hidden referenced dynamically symbols to global
 565         Updated test case: unit-tests/test-cases/main-stripped
 566
 567 2010-06-04    Nick Kledzik    <kledzik@apple.com>
 568
 569         <rdar://problem/6144674> ER: individual symbol re-exports
 570         Added test case: unit-tests/test-cases/re-export-symbo
 571
 572 2010-06-03    Nick Kledzik    <kledzik@apple.com>
 573
 574         <rdar://problem/7474224> add functions start info to LINKEDIT
 575         * Support added but not on by default.  Use -function_starts to enable.
 576         * Added test case: unit-tests/test-cases/function-start
 577
 578 2010-06-02    Nick Kledzik    <kledzik@apple.com>
 579
 580         <rdar://problem/5674241> ER: add load command for min OS version
 581         * Support added but not on by default.  Use -version_load_command to enable.
 582
 583 2010-06-02    Nick Kledzik    <kledzik@apple.com>
 584
 585         <rdar://problem/8040089> provide better undefined symbol error message
 586
 587 2010-05-28    Nick Kledzik    <kledzik@apple.com>
 588
 589         * <rdar://problem/7780438> ld should also merge file attributes from lazy loaded archives
 590         * Move attribute gathering from InputFiles to Resolver
 591
 592 2010-05-28    Nick Kledzik    <kledzik@apple.com>
 593
 594         * <rdar://problem/8038333> SWB: ld64-115.3: dylib on kext link line causes malformed kext
 595         * allow -static after -kext on command line
 596
 597 -------- tagged ld64-115.3
 598
 599 2010-05-26    Nick Kledzik    <kledzik@apple.com>
 600
 601         * <rdar://problem/8024702> strip of .o files removes __objc_imageinfo section
 602         * Added test case:  unit-tests/test-cases/dwarf-strip-objc
 603
 604 2010-05-25    Nick Kledzik    <kledzik@apple.com>
 605
 606         * <rdar://problem/8023624> crash when parsing local vanilla reloc to weak def
 607
 608 -------- tagged ld64-115.2
 609
 610 2010-05-21    Nick Kledzik    <kledzik@apple.com>
 611
 612         * <rdar://problem/8012536> switch back to using ld_classic for -static arm code
 613
 614
 615 2010-05-21    Nick Kledzik    <kledzik@apple.com>
 616
 617         * <rdar://problem/8012549> warn instead of error when seg1addr is out of range for ARM
 618
 619
 620 2010-05-21    Nick Kledzik    <kledzik@apple.com>
 621
 622         * <rdar://problem/8012526> fix -undefined dynamic_lookup -nodefaults to not error about missing dyld_stub_binder
 623
 624 -------- tagged ld64-115.1
 625
 626 2010-05-19    Nick Kledzik    <kledzik@apple.com>
 627
 628         * Fix trie nodes for resolver functions to have second address be stub not helper
 629
 630 2010-05-19    Nick Kledzik    <kledzik@apple.com>
 631
 632         * <rdar://problem/7996423> work around for old checksyms tools
 633         * Make i386 stub section named "__symbol_stub" instead of "__stubs"
 634
 635 2010-05-10    Nick Kledzik    <kledzik@apple.com>
 636
 637         * <rdar://problem/7960396> linking with LTO prints "/tmp/lto.o"
 638
 639 -------- tagged ld64-115
 640
 641 2010-05-06    Nick Kledzik    <kledzik@apple.com>
 642
 643         * <rdar://problem/7892392> linker loses x86_64 addend to 'L' symbols
 644         * properly handle addend to 'L' symbols that are ignored
 645
 646 2010-05-05    Nick Kledzik    <kledzik@apple.com>
 647
 648         * rework min OS version parsing to enable the linker to handle unknown OS versions
 649
 650
 651 2010-05-05    Nick Kledzik    <kledzik@apple.com>
 652
 653         * Implement magic section$start$xxx$yyyy and section$end$xxx$yyyy symbols
 654         * Implement magic segment$start$xxx and segment$end$xxx symbols
 655         * Add test case: unit-tests/test-cases/segment-labels
 656
 657
 658 2010-05-03    Nick Kledzik    <kledzik@apple.com>
 659
 660         * <rdar://problem/7173071> implement optional demangling in linker
 661         * Add option: -demangle
 662         * Add test case: unit-tests/test-cases/demangle
 663
 664
 665 2010-05-03    Nick Kledzik    <kledzik@apple.com>
 666
 667         * <rdar://problem/7931759> ld64 doesn't grok the modern-objc-ABI-on-i386
 668         * Add support for -objc_abi_version command line option
 669         * Added test case: unit-tests/test-cases/objc-abi
 670
 671
 672 2010-05-03    Nick Kledzik    <kledzik@apple.com>
 673
 674         * <rdar://problem/7929974> -alias does not work with __OBJC sections
 675         * sort contents of sections with aliases
 676         * Added test case: unit-tests/test-cases/objc-class-alias
 677
 678
 679 2010-04-28    Nick Kledzik    <kledzik@apple.com>
 680
 681         * <rdar://problem/4966836> Feature: Thread local storage
 682         * Add test case: unit-tests/test-cases/tlv-basic
 683         * Add test case: unit-tests/test-cases/tlv-dylib
 684
 685
 686 2010-04-27    Nick Kledzik    <kledzik@apple.com>
 687
 688         * <rdar://problem/4383612> Accelerate needs way to dispatch based on instruction execution time characteristics.
 689         * Add support for "symbol resolver" functions
 690         * Add test case unit-tests/test-cases/symbol-resolver-basic
 691
 692
 693 2010-04-26    Nick Kledzik    <kledzik@apple.com>
 694
 695         * <rdar://problem/7711820> range check fat archives
 696         * check that fat file slice being used does not extend beyond end of file
 697         * check that member being used does not extend beyond end of slice/file
 698
 699 2010-04-26    Nick Kledzik    <kledzik@apple.com>
 700
 701         * <rdar://problem/7666015> The documentation for the -allowable_client option doesn't say enough about it
 702
 703 2010-04-26    Nick Kledzik    <kledzik@apple.com>
 704
 705         * <rdar://problem/7854068> back out LD_NO_PIE
 706
 707 2010-04-22    Nick Kledzik    <kledzik@apple.com>
 708
 709         * <rdar://problem/7831043> More ICU make check failures with 0-terminated UTF16 strings
 710         * Change UTF16StringSection to break into atoms just on label boundaries
 711         * Added test case: unit-tests/test-cases/utf16-nul
 712
 713
 714 -------- tagged ld64-114.12
 715
 716 2010-04-14    Nick Kledzik    <kledzik@apple.com>
 717
 718         * <rdar://problem/7811357> Crash with messed up BNSYM
 719
 720
 721 2010-04-07    Nick Kledzik    <kledzik@apple.com>
 722
 723         * Fix crash with blank dylib stubs
 724
 725 -------- tagged ld64-114.11
 726
 727 2010-04-07    Nick Kledzik    <kledzik@apple.com>
 728
 729         * <rdar://problem/7798495> for ppc, add split-seg info for TEXT pointers to DATA
 730
 731
 732 2010-04-07    Nick Kledzik    <kledzik@apple.com>
 733
 734         * <rdar://problem/7831379> Cannot build ppc64 target with ObjC code
 735
 736
 737 2010-04-01    Nick Kledzik    <kledzik@apple.com>
 738
 739         * let .exp files override auto-hide so that they can be exported if needed
 740
 741
 742 2010-04-01    Nick Kledzik    <kledzik@apple.com>
 743
 744         * <rdar://problem/6783167> support auto hidden weak symbols: .weak_def_can_be_hidden
 745         * added test case: unit-tests/test-cases/weak-def-auto-hide
 746
 747
 748 2010-04-01    Nick Kledzik    <kledzik@apple.com>
 749
 750         * <rdar://problem/7818475> 'l' symbols not being automatically removed
 751
 752
 753 2010-03-31    Nick Kledzik    <kledzik@apple.com>
 754
 755         * <rdar://problem/7808258> weak defs should not cause indirection in static executables
 756         * Update test case: unit-tests/test-cases/static-executable-weak-defines
 757
 758 -------- tagged ld64-114.10
 759
 760 2010-03-31    Nick Kledzik    <kledzik@apple.com>
 761
 762         * <rdar://problem/7735120> assert with .o file with two LSDA sections
 763
 764
 765 -------- tagged ld64-114.9
 766
 767 2010-03-30    Nick Kledzik    <kledzik@apple.com>
 768
 769         * <rdar://problem/7791161> L4 locks up starting a second processor, works fine with old linker
 770         * properly get addend from content in x86_64 substractor when target is direct
 771
 772
 773 2010-03-29    Nick Kledzik    <kledzik@apple.com>
 774
 775         * <rdar://problem/7805172> ld should excludes debug notes when computing UUID
 776         * added test case: unit-tests/test-cases/dwarf-debug-notes-uuid
 777
 778 -------- tagged ld64-114.8
 779
 780 2010-03-26    Nick Kledzik    <kledzik@apple.com>
 781
 782         * <rdar://problem/7788474> __objc_catlist section loses don't dead strip bit in ld -r mode
 783         * Update test case unit-tests/test-cases/static-executable
 784
 785 -------- tagged ld64-114.7
 786
 787 2010-03-25    Nick Kledzik    <kledzik@apple.com>
 788
 789         * <rdar://problem/7796313> Support LD_NO_PIE again
 790
 791 2010-03-25    Nick Kledzik    <kledzik@apple.com>
 792
 793         * <rdar://problem/7765885> Rosetta crashes on launch in 11A133a
 794         * Fix -segaddr __TEXT to cause other floating segments to be contiguous with TEXT
 795
 796 2010-03-24    Nick Kledzik    <kledzik@apple.com>
 797
 798         * <rdar://problem/7786326> Page Zero segment seems to be getting dead stripped
 799
 800 2010-03-24    Nick Kledzik    <kledzik@apple.com>
 801
 802         * <rdar://problem/7785574> kernel sdt dtrace probes not visible
 803
 804 -------- tagged ld64-114.6
 805
 806 2010-03-23    Nick Kledzik    <kledzik@apple.com>
 807
 808         * <rdar://problem/7783918> new linker makes dylibs with no __text section, causing codesign_allocate tool to fail
 809         * make sure there is always a __text section in dylibs and bundles
 810
 811 -------- tagged ld64-114.5
 812
 813 2010-03-22    Nick Kledzik    <kledzik@apple.com>
 814
 815         * <rdar://problem/7767311> missing __objc_imageinfo section
 816         * Real fix will be in 7780438.  For now have Resolver also accumulate objc constraint info
 817
 818
 819 2010-03-19    Nick Kledzik    <kledzik@apple.com>
 820
 821         * <rdar://problem/7772740> ld64-114 does not error on missing exported symbols with -dead_strip
 822
 823 -------- tagged ld64-114.4
 824
 825 2010-03-16    Nick Kledzik    <kledzik@apple.com>
 826
 827         * <rdar://problem/7762146> dyld missing LC_ID_DYLINKER
 828
 829 -------- tagged ld64-114.3
 830
 831 2010-03-15    Nick Kledzik    <kledzik@apple.com>
 832
 833         * force i386 kexts to be built with ld_classic
 834         * preserve 'l' labels in static executables
 835         * sync section offsets and addresses in segments with command line addresses
 836
 837
 838 -------- tagged ld64-114.2
 839
 840 2010-03-13    Nick Kledzik    <kledzik@apple.com>
 841
 842         * <rdar://problem/7751930> ld64-114 generates x86_64 kext external call sites with incorrect addend
 843
 844 -------- tagged ld64-114.1
 845
 846 2010-03-12    Nick Kledzik    <kledzik@apple.com>
 847
 848         * Fix dyldinfo tool to correct show ordinal info for classic linkedit
 849
 850 2010-03-12    Nick Kledzik    <kledzik@apple.com>
 851
 852         <rdar://problem/7748047> ld64-114 is causing read_only_reloc verification errors for ppc
 853         * Update machochecker to check this.
 854
 855 -------- tagged ld64-114
 856
 857 2010-03-11    Nick Kledzik    <kledzik@apple.com>
 858
 859         * <rdar://problem/7744174> i386 dylibs built with ld64-112 cause runtime errors when incorporated into the dyld shared cache
 860         * Add -shared_region option to dyldinfo tool
 861
 862 -------- tagged ld64-113
 863
 864 2010-03-11    Nick Kledzik    <kledzik@apple.com>
 865
 866         * Allow CPU_SUBTYPE_ARM_ALL .o files to be linked into any arm arch linkage
 867
 868 2010-03-11    Nick Kledzik    <kledzik@apple.com>
 869
 870         <rdar://problem/7741238> ld64-112 with -undefined dynamic_lookup marks all symbols as being flat
 871         * update test case at: unit-tests/test-cases/undefined-dynamic-lookup
 872
 873 2010-03-10    Nick Kledzik    <kledzik@apple.com>
 874
 875         * prevent possible crash in warning about can't export hidden symbols
 876
 877 2010-03-10    Nick Kledzik    <kledzik@apple.com>
 878
 879         * make sure split-info data is zero terminated
 880
 881 -------- tagged ld64-112
 882
 883 2010-03-09    Nick Kledzik    <kledzik@apple.com>
 884
 885         * Never dead strip sections added with -sectcreate
 886         * Added test case: unit-tests/test-cases/sectcreate-dead_strip
 887
 888
 889 -------- tagged ld64-111
 890
 891 2010-03-03    Nick Kledzik    <kledzik@apple.com>
 892
 893         * Add support for "-arch arm -force_cpusubtype_ALL" to keep gcc building
 894
 895 2010-03-02    Nick Kledzik    <kledzik@apple.com>
 896
 897         * Add some checking to the use of upward dylibs
 898
 899 -------- tagged ld64-110
 900
 901 2010-03-01    Nick Kledzik    <kledzik@apple.com>
 902
 903         * Don't coalesce cstrings across segments
 904
 905 2010-03-01    Nick Kledzik    <kledzik@apple.com>
 906
 907         * Emulate previous linker bug where hidden symbols with dynamically-referenced
 908          bit were promoted to global.
 909         * Added test case: unit-tests/test-cases/unstrippable-symbols
 910
 911 -------- tagged ld64-109.1
 912
 913 2010-02-26    Nick Kledzik    <kledzik@apple.com>
 914
 915         * Make sure building dyld results in a thread load command
 916
 917 -------- tagged ld64-109
 918
 919 2010-02-26    Nick Kledzik    <kledzik@apple.com>
 920
 921         * Better sorting of zero-fill sections to preserve discovery order
 922         * Zero out file offsets in dynamic symbol table entries that are not used
 923
 924 2010-02-26    Nick Kledzik    <kledzik@apple.com>
 925
 926         * Support pointer-diffs to zero sized atom in zero sized section
 927
 928 2010-02-25    Nick Kledzik    <kledzik@apple.com>
 929
 930         * Add support for -r mode with ppc64
 931
 932 2010-02-25    Nick Kledzik    <kledzik@apple.com>
 933
 934         * Handle multiple labels on the same coalesable literal by making an
 935         atom for each label, each with the same content.
 936         * Add test case: unit-tests/test-cases/literals-labels
 937
 938
 939 2010-02-25    Nick Kledzik    <kledzik@apple.com>
 940
 941         * Handle old ppc .o files that have stubs to static functions
 942
 943 2010-02-25    Nick Kledzik    <kledzik@apple.com>
 944
 945         * Add basic ppc64 support
 946
 947 2010-02-24    Nick Kledzik    <kledzik@apple.com>
 948
 949         * Range check TOC entries in archives
 950
 951
 952 2010-02-23    Nick Kledzik    <kledzik@apple.com>
 953
 954         * Fix spurious dylib re-export warnings that are just regular linkage cycles
 955
 956
 957 2010-02-23    Nick Kledzik    <kledzik@apple.com>
 958
 959         * re-partition bits in mach_o::relocatable::Atom ivars to allow more functions per file
 960
 961
 962 2010-02-22    Nick Kledzik    <kledzik@apple.com>
 963
 964         * re-partition bits in mach_o::relocatable::Atom ivars to allow more fixups per function
 965
 966
 967 2010-02-22    Nick Kledzik    <kledzik@apple.com>
 968
 969         * Handle re-exported dylibs that are re-exported again
 970         * Added test case: unit-tests/test-cases/re-export-layers
 971
 972
 973 2010-02-22    Nick Kledzik    <kledzik@apple.com>
 974
 975         * Properly handle X86_64_RELOC_SUBTRACTOR with non-external target symbol
 976
 977
 978 -------- tagged ld64-108
 979
 980 2010-02-17    Nick Kledzik    <kledzik@apple.com>
 981
 982         * <rdar://problem/7658740> ER: Support upward dylib dependencies
 983         * Add test case:  unit-tests/test-cases/dylib-upward
 984
 985
 986 2010-02-17    Nick Kledzik    <kledzik@apple.com>
 987
 988         * <rdar://problem/7401775> ld(1) man page typo
 989         * <rdar://problem/7230340> Linker (ld) man page typo: "unredable" in -pagezero_size option description
 990         * <rdar://problem/7207483> Typo in ld(1) man page, "-x" option
 991         * <rdar://problem/6239264> man ld: Change "if" -> "is"
 992         * <rdar://problem/7393216> DOC: ld(1) mentions -dynamiclib when it means -dylib
 993
 994
 995 2010-02-17    Nick Kledzik    <kledzik@apple.com>
 996
 997         * <rdar://problem/7625461> Wordsmith ld warning about missing directories
 998
 999
1000 2010-02-17    Nick Kledzik    <kledzik@apple.com>
1001
1002         * Fix -umbrella to work when umbrella is a dylib instead of a framework
1003         * Add test case:  unit-tests/test-cases/umbrella-dylib
1004
1005
1006 -------- tagged ld64-107
1007
1008 2010-02-16    Nick Kledzik    <kledzik@apple.com>
1009
1010         * Fix bugs with -preload
1011
1012
1013 2010-02-16    Nick Kledzik    <kledzik@apple.com>
1014
1015         * Fix dylib re-export cylce detection
1016
1017
1018 2010-02-16    Nick Kledzik    <kledzik@apple.com>
1019
1020         * <rdar://problem/6018216> -ObjC not pulling in members with categories only
1021         * scan for non-zero __objc_catlist section in archive members when -ObjC is used
1022         * Added test case: unit-tests/test-cases/objc-category-archive
1023
1024
1025 2010-02-15    Nick Kledzik    <kledzik@apple.com>
1026
1027         * <rdar://problem/7398610> ld glibly removes /dev/null
1028
1029
1030 2010-02-15    Nick Kledzik    <kledzik@apple.com>
1031
1032         * <rdar://problem/7196255> Linker should be able to validate GC intentions
1033         * Add -objc_gc and -objc_gc_only. Error when used and RR based .o file is linked in
1034         * Update test case:  unit-tests/test-cases/objc-gc-checks
1035
1036
1037 2010-02-15    Nick Kledzik    <kledzik@apple.com>
1038
1039         * <rdar://problem/7421695> Linker should provide a way to mark binaries that support compaction
1040         * Added -objc_gc_compaction option
1041         * Update test case:  unit-tests/test-cases/objc-gc-checks
1042
1043
1044 2010-02-15    Nick Kledzik    <kledzik@apple.com>
1045
1046         * <rdar://problem/7546367> ER: Need a way to detect weak exports in dev tools
1047         * implement -warn_weak_exports
1048
1049 2010-02-15    Nick Kledzik    <kledzik@apple.com>
1050
1051         * Add support for LD_DYLD_PATH
1052
1053
1054 2010-02-15    Nick Kledzik    <kledzik@apple.com>
1055
1056         * <rdar://problem/7636072> cfstring backing store points to global cstring
1057         * Force all by-name references in cfstring to be direct references
1058         * add test case: unit-tests/test-cases/cfstring-and-cstring
1059
1060
1061 -------- tagged ld64-106
1062
1063 2010-02-12    Nick Kledzik    <kledzik@apple.com>
1064
1065         * <rdar://problem/7644673> Assertion failed: when class is translation unit scoped
1066         * added test case unit-tests/test-cases/objc-visibility
1067
1068
1069 2010-02-12    Nick Kledzik    <kledzik@apple.com>
1070
1071         * <rdar://problem/7644828> crash with missing crt?
1072
1073
1074 2010-02-12    Nick Kledzik    <kledzik@apple.com>
1075
1076         * Suppress indirect symbol table in static executables
1077
1078
1079 2010-02-12    Nick Kledzik    <kledzik@apple.com>
1080
1081         * Rework CIE parsing to work with icc generated code
1082
1083
1084 2010-02-11    Nick Kledzik    <kledzik@apple.com>
1085
1086         * Fix creation of debug notes
1087         * Tweak unit-tests/test-cases/dwarf-debug-notes to match llvm symbol layout
1088
1089
1090 2010-02-11    Nick Kledzik    <kledzik@apple.com>
1091
1092         * Don't assert when infering ppc subtype that is ALL.
1093         * Fix spurious warning about mismatched subtypes, when subtype is inferred
1094
1095
1096 -------- tagged ld64-105
1097
1098 2010-02-11    Nick Kledzik    <kledzik@apple.com>
1099
1100         * Use symbolic constants for bit field sizes
1101
1102
1103 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1104
1105         * Handle out of order sections in .o files
1106
1107
1108 -------- tagged ld64-104
1109
1110 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1111
1112         * Rename __tentative internal section name to __comm/tent to sort like __common
1113         * Fix test case in unit-tests/test-cases/tentative-to-real-r
1114
1115
1116 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1117
1118         * Better warning messages about mismatched architectures
1119
1120
1121 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1122
1123         * Gracefully ignore if there are >8000 line info per function in debug info
1124
1125
1126 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1127
1128         * Properly handle when regular definition is weak_imported
1129         * Add unit-tests/test-cases/weak_import-local
1130
1131
1132 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1133
1134         * Don't try to coalesce zero length cstrings in mach-o parser.
1135
1136
1137 2010-02-10    Nick Kledzik    <kledzik@apple.com>
1138
1139         * Add work around for llvm using L labels for backing string of CFString with -fwritable-strings
1140
1141
1142 2010-02-09    Nick Kledzik    <kledzik@apple.com>
1143
1144         * Ignore labels in __gcc_except_tab section
1145         * Properly apply local relocations to __eh_frame section so CFI parser works
1146         * Update unit-tests/test-cases/eh-stripped-symbols to reproduce problem
1147
1148
1149 2010-02-09    Nick Kledzik    <kledzik@apple.com>
1150
1151         * Fix file offset computation with large zero-fill sections
1152
1153
1154 2010-02-09    Nick Kledzik    <kledzik@apple.com>
1155
1156         * Force global 'l' to be hidden
1157         * Add test case with objc properties: unit-tests/test-cases/objc-properties
1158
1159
1160 -------- tagged ld64-103
1161
1162 2010-02-04    Nick Kledzik    <kledzik@apple.com>
1163
1164         * Temporarily change assert() to call exit(1) instead of abort()
1165
1166
1167 2010-02-04    Nick Kledzik    <kledzik@apple.com>
1168
1169         * Fix another case in -r mode where the vmsize was less that filesize
1170
1171
1172 2010-02-04    Nick Kledzik    <kledzik@apple.com>
1173
1174         * Fix assert when generating GSYM stab debug notes
1175
1176
1177 2010-02-04    Nick Kledzik    <kledzik@apple.com>
1178
1179         * Add SRCROOT to crash logs
1180
1181
1182 2010-02-04    Nick Kledzik    <kledzik@apple.com>
1183
1184         * Remove architectureName() from InputFiles
1185
1186
1187 -------- tagged ld64-102
1188
1189 2010-02-03    Nick Kledzik    <kledzik@apple.com>
1190
1191         * Add follow-on reference from symbol text atom to non-symboled text atom
1192
1193
1194 -------- tagged ld64-101
1195
1196 2010-01-29    Nick Kledzik    <kledzik@apple.com>
1197
1198         * fix -alias symbols to be global by default
1199
1200
1201 -------- tagged ld64-100
1202
1203 2010-01-28    Nick Kledzik    <kledzik@apple.com>
1204
1205         * Merge new/refactored linker to trunk
1206