ChangeLog

   1
   2 2006-09-22      Nick Kledzik    <kledzik@apple.com>
   3
   4         ld64.xcodeproj/project.pbxproj: change install name back to ld64
   5         src/Options.cpp: remove support for rolling over to ld_classic
   6         src/ld.cpp: remove support for rolling over to ld_classic
   7
   8
   9 ----- Tagged ld64-62
  10
  11 2006-08-15      Nick Kledzik    <kledzik@apple.com>
  12
  13         <rdar://problem/4681062> wrong error message when symbol is found in unused indirect library
  14         src/ld.cpp: remove indirect libraries if they are not re-exported
  15         unit-tests/test-cases/indirect-dylib: added test case
  16
  17
  18 2006-08-15      Nick Kledzik    <kledzik@apple.com>
  19
  20         <rdar://problem/3930461> alignment needs to be richer
  21         src/ObjectFile.h: define ObjectFile::Alignment class for tracking rich alignment info
  22         src/ld.cpp: modify SymbolTable::add() to work with new Alignment type
  23         src/MachOReaderRelocatable.hpp: use new Alignment type. Remove alignAtLeast() and handleAnonymousNonLazyPointers()
  24         src/MachOWriterExecutable.hpp: update for new Alignment type, use modulus when calculating layout address
  25         src/ObjectDump.cpp: print richer Alignment info
  26         unit-tests/test-cases/align-modulus: added test case
  27
  28
  29 2006-08-11      Nick Kledzik    <kledzik@apple.com>
  30
  31         remove OPEN_SOURCE conditionals around x86_64 support
  32
  33
  34 2006-07-31      Nick Kledzik    <kledzik@apple.com>
  35
  36         <rdar://problem/4654131> ld64 while linking cc1 [ when dead_strip is ON]
  37         src/ld.cpp: Add ivar fAtomsWithUnresolvedReferences to track atoms not initially resolvable
  38         unit-tests/test-cases/dead_strip-archive: added test case
  39
  40
  41 2006-07-31      Nick Kledzik    <kledzik@apple.com>
  42
  43         <rdar://problem/4656617> x86_64: instructions with immediate and rip-relative operands need to use new relocation types
  44         src/MachOWriterExecutable.hpp: generate new reloc types in -r mode
  45         src/MachOReaderRelocatable.hpp: parse new reloc types
  46         unit-tests/test-cases/relocs-asm/relocs-asm.s: add test cases for new reloc type
  47
  48
  49 2006-07-18      Nick Kledzik    <kledzik@apple.com>
  50
  51         src/MachOReaderRelocatable.hpp: suppress warning about dwarf info parsing for one benign no-op case
  52         the compiler emits when there are not functions in the __text section
  53
  54
  55 2006-07-17      Nick Kledzik    <kledzik@apple.com>
  56
  57         <rdar://problem/4634840> faster debug note generateion
  58         src/ld.cpp: rework collectDebugInfo() to produce all debug notes in one pass, intead of a
  59         pass per .o file. Added timing info for collectDebugInfo() to -print_statistics
  60         unit-tests/test-cases/dwarf-debug-notes-r/Makefile: add expliced -arch to ld -r
  61         unit-tests/test-cases/dwarf-debug-notes-r/expected-stabs: alter for new debug notes order
  62
  63
  64 2006-07-17      Nick Kledzik    <kledzik@apple.com>
  65
  66         <rdar://problem/4623994> ld64 VSIZE is 1.18GB when building Finder ppc64
  67         src/ld.cpp: fixed typo in createReader() that prevented dylibs from being unmapped
  68
  69 ----- Tagged ld64-61.1
  70
  71 2006-07-11      Nick Kledzik    <kledzik@apple.com>
  72
  73         <rdar://problem/4622049> ld64-61: gcc DejaGnu tests failing due to -arch followed by unknown architecture name
  74         src/Options.cpp: map ppc750, ppc7400, ppc7450, and ppc970 to ppc. Improve error message
  75
  76 2006-07-11      Nick Kledzik    <kledzik@apple.com>
  77
  78         <rdar://problem/4622769> If -arch is missing, rollover to ld_classic does not happen
  79         src/Options.h: make gotoClassicLinker() public
  80         src/ld.cpp: call gotoClassicLinker() if the inferred architecture is ppc or i386
  81
  82 ----- Tagged ld64-61
  83
  84 2006-06-29      Nick Kledzik    <kledzik@apple.com>
  85
  86         <rdar://problem/4606628> ld64 should be renamed to ld
  87         src/Options.cpp: exec() ld_classic if -arch ppc or -arch i386 is seen
  88         src/ld.cpp: alter version string
  89         ld64.xcodeproj/project.pbxproj: change install location to /usr/bin/ld, add symlink from /usr/bin/ld64
  90         doc/man/man1/ld.1: added
  91
  92 ----- Tagged ld64-60
  93
  94 2006-06-28      Nick Kledzik    <kledzik@apple.com>
  95
  96         <rdar://problem/4604539> Can't link large ppc64 program: ld64 says "bl out of range"
  97         MachOWriterExecutable.hpp: fix branch island generation to work for weak_import functions
  98         and properly chain together branch islands
  99         MachOReaderRelocatable.hpp: improve performance of huge .o file reading by sorted references
 100         only when done
 101
 102 2006-06-28      Nick Kledzik    <kledzik@apple.com>
 103
 104         <rdar://problem/4603454> MySQL-36 fails to build with ld64-59
 105         src/MachOReaderRelocatable.hpp: back out fix for 4585335
 106         src/MachOWriterExecutable.hpp: back out fix for 4585335
 107
 108 2006-06-27      Nick Kledzik    <kledzik@apple.com>
 109
 110         src/MachOReaderRelocatable.hpp: handle N_GSYM without ending :G() since that is how
 111         dwarf debug notes are formed.
 112
 113 2006-06-23      Nick Kledzik    <kledzik@apple.com>
 114
 115         <rdar://problem/4599239 objc class with no superclass causes bad undefined symbol
 116         src/MachOReaderRelocatable.hpp: handle NULL superclass in objc_class
 117         unit-tests/test-cases/relocs-objc/test.m: add case with no super class
 118
 119
 120 2006-06-23      Nick Kledzik    <kledzik@apple.com>
 121
 122         <rdar://problem/4313369> ld64 doesn't support variant linking -framework fw,_debug
 123         src/Options.cpp: enhance findFramework() to support suffixes
 124
 125 ----- Tagged ld64-59
 126
 127 2006-06-22      Nick Kledzik    <kledzik@apple.com>
 128
 129         <rdar://problem/4596726> ld64 lost DWARF debug notes
 130         src/MachOReaderRelocatable.hpp: add fHasUUID so kDebugInfoStabsUUID can be set later
 131         unit-tests/test-cases/dwarf-debug-notes-r: added test case
 132
 133 2006-06-21      Nick Kledzik    <kledzik@apple.com>
 134
 135         <rdar://problem/4567995> python 64-bit address miscalculation
 136         src/MachOReaderRelocatable.hpp: change getTargetOffset() to sign extend the 32-bit value to 64-bits
 137
 138 2006-06-21      Nick Kledzik    <kledzik@apple.com>
 139
 140         <rdar://problem/4535036> ld64 seems to offset things incorrectly when using -r
 141         src/MachOWriterExecutable.hpp: in -r mode, virtual sections should not increment address
 142
 143
 144 ----- Tagged ld64-58
 145
 146 2006-06-16      Nick Kledzik    <kledzik@apple.com>
 147
 148         src/rebase.cpp: fix page alignment problem
 149         src/rebase.cpp: fix endianess problem with local non-lazy pointers
 150
 151 2006-06-15      Nick Kledzik    <kledzik@apple.com>
 152
 153         src/rebase.cpp: fix to build in CurryWeed
 154         ld64.xcodeproj/project.pbxproj: fix to build properly in CurryWeed
 155
 156 2006-06-15      Nick Kledzik    <kledzik@apple.com>
 157
 158         <rdar://problem/4495309> Support .objc_class_name_* symbols
 159         src/ObjectFile.h: Add kSymbolTableInAsAbsolute
 160         src/MachOReaderRelocatable.hpp: synthesize references to required objc classes
 161         src/MachOWriterExecutable.hpp: write objc_class_name as absolute symbol
 162         unit-tests/test-cases/objc-references: added
 163
 164 2006-06-15      Nick Kledzik    <kledzik@apple.com>
 165
 166         <rdar://problem/4484369> SECTION_ATTRIBUTES unset in ppc64 mach-o header
 167         src/MachOWriterExecutable.hpp: add section attribute for sections with code
 168
 169 2006-06-15      Nick Kledzik    <kledzik@apple.com>
 170
 171         <rdar://problem/4569407> ld64 bogus duplicate symbol name linking GNU libobjc
 172         src/MachOReaderRelocatable.hpp: only special case Apple objc runtime objc classes
 173
 174 2006-06-15      Nick Kledzik    <kledzik@apple.com>
 175
 176         <rdar://problem/4582999> x86_64: ".align" directive not honored
 177         src/MachOReaderRelocatable.hpp: change code alignment to not depend on atom size
 178
 179 2006-06-14      Nick Kledzik    <kledzik@apple.com>
 180
 181         <rdar://problem/4585335> jump table into middle of weak symbol causes error
 182         src/MachOReaderRelocatable.hpp: create direct references to the interior of weak symbols
 183         src/MachOWriterExecutable.hpp: do not error on absolute references to interior of weak symbols
 184
 185 2006-06-13      Nick Kledzik    <kledzik@apple.com>
 186
 187         src/Options.cpp: allow -image_base as an alias for -seg1addr
 188
 189 2006-06-13      Nick Kledzik    <kledzik@apple.com>
 190
 191         <rdar://problem/4585115> implement -d
 192         src/Options.h: add fMakeTentativeDefinitionsReal
 193         src/Options.cpp: set fMakeTentativeDefinitionsReal if -d option is found
 194         src/MachOWriterExecutable.hpp: turn tentative into real definition if makeTentativeDefinitionsReal
 195         unit-tests/test-cases/btentative-to-real: added test case
 196
 197 2006-06-13      Nick Kledzik    <kledzik@apple.com>
 198
 199         <rdar://problem/4584355> implement -bundle_loader
 200         src/Options.h: add fBundleLoader bit to DynamicLibraryOptions
 201         src/Options.cpp: handle -bundle_loader
 202         src/ld.cpp: pass fBundleLoader bit to MachOReaderDylib
 203         src/MachOReaderDylib.hpp: support reading MH_EXECUTE files if fBundleLoader is set
 204         src/MachOWriterExecutable.hpp: set bundle loader ordinal as EXECUTABLE_ORDINAL
 205         unit-tests/test-cases/bundle_loader: added test case
 206
 207 2006-06-12      Nick Kledzik    <kledzik@apple.com>
 208
 209         <rdar://problem/4583347> -syslibroot can cause "can't find ordinal for imported" error
 210         src/MachOReaderDylib.hpp: in  Reader::reExports() compare install path in addition to load path
 211
 212
 213 2006-06-10      Nick Kledzik    <kledzik@apple.com>
 214
 215         <rdar://problem/4548935> Need rebasing tool
 216         src/rebase.cpp: added
 217         unit-tests/test-cases/rebase-basic: added
 218         doc/man/man1/rebase.1: added
 219         ld64.xcodeproj/project.pbxproj:  added rebase target.  changed all targets to build with dwarf
 220
 221
 222 2006-06-10      Nick Kledzik    <kledzik@apple.com>
 223
 224         src/machochecker.cpp: add some ppc reloc sanity checking
 225
 226 ----- Tagged ld64-57
 227
 228 2006-06-06      Nick Kledzik    <kledzik@apple.com>
 229
 230         <rdar://problem/4565088> ld64 is not adding a final '/' char on the initial directory-name SO stab debug map entry
 231         ld.cpp: Change Linker::synthesizeStabs() to assure directory SO always has a trailing slash
 232         unit-tests/test-cases/dwarf-debug-notes/expected-stabs: update with trailing /
 233
 234 2006-06-06      Nick Kledzik    <kledzik@apple.com>
 235
 236         <rdar://problem/4572702> -sectcreate of a 0-byte section fails
 237         MachOWriterExecutable.cpp: Don't error out on zero length segments
 238         MachOWriterExecutable.cpp: For ppc64 reloc base address is the first writable segment iff
 239          there is a writable segment >4GB from base address
 240
 241 2006-06-04  Eric Christopher  <echristo@apple.com>
 242
 243         Radar 4560240
 244         Radar 3964999
 245         * src/ld.cpp (createReader): Fixed error message.
 246         (resolve): Ditto.
 247         (resolveFrom): Ditto.
 248         (checkUndefines): Ditto.
 249
 250 ----- Tagged ld64-56
 251
 252 2006-05-23      Nick Kledzik    <kledzik@apple.com>
 253
 254         <rdar://problem/4558079> No debug notes for ObjC methods when linking with ld64
 255         ld.cpp: don't limit debug notes to functions starting with underscore
 256
 257 2006-05-22      Nick Kledzik    <kledzik@apple.com>
 258
 259         <rdar://problem/4556982> ld64 spends much time in mach_o::relocatable::Reader<x86_64>::findAtomByName
 260         * src/MachOReaderRelocatable.hpp: add makeReferenceToSymbol() so that x86_64 does not need to do by-name lookups
 261
 262 2006-05-22      Nick Kledzik    <kledzik@apple.com>
 263
 264         <rdar://problem/4535044> remove inferring warning
 265         * ld.cpp: Remove "inferring" warning.  If a link failed and now arch was specifed add which arch was
 266         inferred to error message
 267
 268 2006-05-19      Nick Kledzik    <kledzik@apple.com>
 269
 270         <rdar://problem/4544001> ld64 does not honor -arch_multiple
 271         * ld.cpp: If fOptions.printArchPrefix(), add architecture name to error message
 272
 273 2006-05-19      Nick Kledzik    <kledzik@apple.com>
 274
 275         <rdar://problem/4555973> Support S_16BYTE_LITERALS section types
 276         * src/MachOReaderRelocatable.hpp: support S_16BYTE_LITERALS
 277         * src/MachOWriterExecutable.hpp: support S_16BYTE_LITERALS
 278
 279 2006-05-19      Nick Kledzik    <kledzik@apple.com>
 280
 281         <rdar://problem/4548803> "warning can't parse dwarf compilation unit info" warnings building debug
 282         * src/MachOReaderRelocatable.hpp: fix bugs in dwarf line table parsing
 283
 284 ----- Tagged ld64-55
 285
 286 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 287
 288         <rdar://problem/4534339> Default the pagezero size to 4GB for x86-64
 289         * src/Options.cpp: Chnage default the pagezero size to 4GB for x86-64
 290
 291 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 292
 293         <rdar://problem/4552825> x86_64 CarbonCore fails to link with "atom not found in symbolIndex"
 294         * src/MachOWriterExecutable.hpp: in buildObjectFileFixups() don't call addObjectRelocs() on kNoFixUp references
 295
 296 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 297
 298         <rdar://problem/4553555> ld64: .section defaults to read-only
 299         * src/MachOReaderRelocatable.hpp: default unknown segments to r/w
 300
 301 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 302
 303         <rdar://problem/4551990> -fvisibility=hidden causes crashes for x86_64
 304         * src/MachOWriterExecutable.hpp: properly handle RIP relative tentative definitions
 305
 306 2006-05-12      Nick Kledzik    <kledzik@apple.com>
 307
 308         * src/Architectures.hpp: add x86::kAbsolute32
 309         * src/MachOReaderRelocatable.hpp: generate x86::kAbsolute32 for mdynamic-no-pic instructions
 310         * src/MachOWriterExecutable.hpp: process x86::kAbsolute32 reference kind
 311
 312 ----- Tagged ld64-54
 313
 314 2006-05-11      Nick Kledzik    <kledzik@apple.com>
 315
 316         <rdar://problem/4545108> CF-393 failes to link for x86_64
 317         * src/MachOWriterExecutable.cpp: fix sign extension for Rel32 relocs in Writer<x86_64>::fixUpReferenceRelocatable
 318
 319 2006-05-11      Nick Kledzik    <kledzik@apple.com>
 320
 321         <rdar://problem/4501434> warning arch x86_64 not found using i386
 322         * src/ld.cpp: remove hack to allow x86_64 to link against i386 dylibs
 323
 324
 325 2006-05-10      Nick Kledzik    <kledzik@apple.com>
 326
 327         <rdar://problem/4543754> x86_64: .objc_class_name symbol names scrambled
 328         * src/MachOReaderRelocatable.hpp: properly compute alignment of __OBJC __class sections
 329
 330
 331 2006-05-08      Nick Kledzik    <kledzik@apple.com>
 332
 333         <rdar://problem/3894083> Support -dead_strip
 334         * src/Options.h/cpp: implement -why_load and -why_live.  Enable -dead_strip.
 335         * src/MachOReaderArchive.hpp: implement -why_load
 336         * src/MachOReaderRelocatable.hpp: suppress GCC_except_table* symbols in final output
 337         * src/ld.cpp: implement dead code stripping
 338         * unit-tests/test-cases/dead_strip: added
 339
 340 ----- Tagged ld64-53
 341
 342 2006-05-05      Nick Kledzik    <kledzik@apple.com>
 343
 344         * src/Options.cpp: make 10.4 be minimum OS version for newer architectures
 345
 346 2006-05-05      Nick Kledzik    <kledzik@apple.com>
 347
 348         <rdar://problem/4147604> N_SO symbols in 64-bit builds have a zero address for n.n_value
 349         * src/ld.cpp: for SO stabs, associate first and last atom in the SO range
 350         * src/MachOWriterExecutable.hpp: use atom associated with SO stab to set ins n_value
 351
 352 2006-05-05      Nick Kledzik    <kledzik@apple.com>
 353
 354         * MachOWriterExecutable.hpp: fix end FUN stab to have length of function
 355
 356
 357 2006-05-02      Nick Kledzik    <kledzik@apple.com>
 358
 359         <rdar://problem/4496250> 64-bit main executables should have 4GB zero page by default
 360         * src/Opptions.cpp: change default pagezero_size to 4GB for ppc64
 361         <rdar://problem/4492850> 64 bit: apps with -mdynamic-no-pic seg fault when page zero > 4GB
 362         * src/MachOWriterExecutable.cpp: rework pagezero for ppc64 so that if any mdynamic-no-pic code
 363         is found, the code is kept in the low 2GB, and a new segment is create to map away up to 4GB.
 364
 365 2006-05-02      Nick Kledzik    <kledzik@apple.com>
 366
 367         * src/Opptions.cpp: remove warning about -stack_addr not specified.  Add warning if 32-bit stack
 368         overlaps shared region
 369
 370 ----- Tagged ld64-52.1
 371
 372 2006-05-01      Nick Kledzik    <kledzik@apple.com>
 373
 374         * src/MachOReaderRelocatable.cpp: rework handleAnonymousNonLazyPointers() to handle anl's in the middle
 375         the __data section too.
 376
 377 ----- Tagged ld64-52
 378
 379 2006-04-28      Nick Kledzik    <kledzik@apple.com>
 380
 381         <rdar://problem/4513304> 64-bit: 9A152 TextEdit crashes in dlopen on bring-up
 382         * src/MachOReaderRelocatable.cpp: rework anonymous non-lazy-pointer detection
 383
 384 2006-04-28      Nick Kledzik    <kledzik@apple.com>
 385
 386         <rdar://problem/4528054> 64 Bit: Development build of ppc64 TextEdit gets confused about static variables
 387         * src/MachOReaderRelocatable.cpp: mark non-lazy-pointer atoms as scopeTranslationUnit if targetting a static symbol
 388
 389
 390
 391 2006-04-21      Nick Kledzik    <kledzik@apple.com>
 392
 393         * src/Options.cpp: fix default address for ppc64 custom stack
 394         * src/MachOWriterExecutable.cpp: fix set up of ppc64 custom stack
 395
 396
 397 2006-04-14      Nick Kledzik    <kledzik@apple.com>
 398
 399         * src/Options.cpp: fix -sub_library processing to work it dylib is specifed with leaf name
 400
 401 ----- Tagged ld64-51.1
 402
 403 2006-04-13      Nick Kledzik    <kledzik@apple.com>
 404
 405         <rdar://problem/4513304> 64-bit: 9A152 TextEdit crashes in dlopen on bring-up
 406         * src/MachOReaderRelocatable.hpp: when detecting anonymous non-lazy-pointers disqualify data
 407         that points to static or global symbols
 408         * src/ld.cpp: print version of ld64 in error messages
 409
 410
 411 ----- Tagged ld64-51
 412
 413 2006-04-11      Nick Kledzik    <kledzik@apple.com>
 414
 415         <rdar://problem/4499168> exported symbols not properly stripped
 416         * src/MachOReaderRelocatable.hpp: enable AnonymousAtom::setScope()
 417
 418 2006-03-31      Nick Kledzik    <kledzik@apple.com>
 419
 420         <rdar://problem/4498391> ld64 fails when linking debug ppc64 HIToolbox
 421         * src/MachOReaderRelocatable.hpp: handle anonymous non-lazy pointers encoded with local relocations
 422         * src/MachOWriterExecutable.hpp: in -r mode, only generated INDIRECT_SYMBOL_LOCAL for non-lazy targets that
 423
 424
 425 2006-03-31      Nick Kledzik    <kledzik@apple.com>
 426
 427         <rdar://problem/4496499> ld64 should remove generated file if link errors out
 428         * src/MachOWriterExecutable.hpp: catch exceptions in Writer<A>::write(), delete output file, and rethrow
 429
 430
 431 ----- Tagged ld64-50
 432
 433
 434 2006-03-29      Nick Kledzik    <kledzik@apple.com>
 435
 436         * src/MachOReaderRelocatable.hpp: synthesize .objc_class_name symbols
 437         * src/MachOFileAbstraction.hpp: use strncpy for sect/seg names to zero fill trailing space
 438
 439 2006-03-28      Nick Kledzik    <kledzik@apple.com>
 440
 441         * src/MachOReaderRelocatable.hpp: fix spurious warning about dwarf line info
 442
 443 ----- Tagged ld64-49.1
 444
 445 2006-03-25      Nick Kledzik    <kledzik@apple.com>
 446
 447         * MachOWriterExecutable.hpp : don't complain about ppc64 dyld being based > 4GB
 448
 449 ----- Tagged ld64-49
 450
 451 2006-03-24      Nick Kledzik    <kledzik@apple.com>
 452
 453         * src/MachOWriterExecutable.hpp: dyld is allowed to have synthesized non-lazy pointers
 454         <rdar://problem/4488113> ld64 is after processing bad GSYM stabs
 455         * src/MachOReaderRelocatable.hpp: if a GSYM is found that does not match any data symbol, suppress it
 456
 457 2006-03-23      Nick Kledzik    <kledzik@apple.com>
 458
 459         * src/MachOWriterExecutable.hpp: in Writer<x86>::fixUpReferenceFinal() fix when x86::kPointer is for an
 460         external relocation
 461
 462 2006-03-23      Nick Kledzik    <kledzik@apple.com>
 463
 464         * src/Options.cpp: change macosx-min-version to default to a per-architecture setting
 465           add warning if -pagezero_size is not page aligned
 466         * src/MachOWriterExecutable.hpp: properly handle external relocations for ppc64 with 4GB pagezero
 467         * src/machochecker.cpp: sanity check relocation records
 468
 469 ----- Tagged ld64-48
 470
 471 2006-03-21      Nick Kledzik    <kledzik@apple.com>
 472
 473         <rdar://problem/4481406> 64bit: passing function pointer to another function passes the wrong function address
 474         * src/MachOReaderRelocatable.hpp: when processing a non-lazy pointer to a static function, don't accidentally
 475         match it to a STAB symbol.
 476
 477 2006-03-21      Nick Kledzik    <kledzik@apple.com>
 478
 479         <rdar://problem/4180168> .eh symbols make up 13% of libstdc++'s stripped binary size
 480         * src/ObjectFile.h: add ReaderOptions.fForFinalLinkedImage
 481         * src/Options.cpp: setup ReaderOptions.fForFinalLinkedImage
 482         * src/MachOReaderRelocatable.hpp: mark .eh symbols kSymbolTableNotIn when building final linked image
 483
 484 2006-03-21      Nick Kledzik    <kledzik@apple.com>
 485
 486         <rdar://problem/4473742> ld64 does not parse optional second argument to -filelist
 487         * unit-tests/test-cases/filelist: added
 488         * src/Options.cpp: in Options::loadFileList() handle comma option
 489
 490
 491 ----- Tagged ld64-47.1
 492
 493
 494 ----- Tagged ld64-47
 495
 496
 497 ----- Tagged ld64-46
 498
 499 2006-03-10      Nick Kledzik    <kledzik@apple.com>
 500
 501         <rdar://problem/4419505> ld64 should figure out architecture from .o files
 502         * unit-tests/test-cases/auto-arch: added
 503         * src/ld.cpp: added Linker::inferArchitecture() to scan .o files are infer architecture to link
 504         * src/MachOReaderArchive.hpp: enhanced validFile() to look deeper into archive and really valdate
 505         * src/MachOWriterExecutable.hpp: stop using fOptions.architecture()
 506         * src/Options.cpp: stop defaulting to ppc64
 507
 508
 509 2006-03-09      Nick Kledzik    <kledzik@apple.com>
 510
 511         <rdar://problem/4465004> Need "intentionally left blank" dylib stubs
 512         * unit-tests/include/common.makefile: add VALID_ARCHS
 513         * unit-tests/run-all-unit-tests: set up VALID_ARCHS
 514         * unit-tests/test-cases/blank-stubs: add test case
 515         * src/ld.cpp: in addDylib(), detect and ignore blank stubs
 516         * src/MachOReaderDylib.hpp: in constructor, handle blank stubs
 517
 518 2006-03-09      Nick Kledzik    <kledzik@apple.com>
 519
 520         <rdar://problem/4471424> crash in stub with 2GB pagezero
 521         * src/MachOWriterExecutable.hpp: StubAtom<ppc64> can't be no-pic if a large zero-page is used
 522
 523 2006-03-06      Nick Kledzik    <kledzik@apple.com>
 524
 525         * src/Options.cpp: addSectionAlignment, warn if -sectalign alignment is not a power of two
 526
 527 ----- Tagged ld64-45
 528
 529
 530 2006-03-06      Nick Kledzik    <kledzik@apple.com>
 531
 532         <rdar://problem/4466930> LP64/9A122: ld64: hang when trying to link DiscRecording framework
 533         * src/Options.cpp: addSectionAlignment, warn on zero.  Use log2() for alignment conversion
 534
 535
 536 ----- Tagged ld64-44
 537
 538 2006-03-04      Nick Kledzik    <kledzik@apple.com>
 539
 540         * src/MachOReaderRelocatable.hpp: fix again test for detection of anonymous non-lazy-pointer.
 541         Error out if .o file contains old __DWARFA style dwarf.
 542
 543 2006-03-02      Nick Kledzik    <kledzik@apple.com>
 544
 545         * src/ld.cpp: only re-map page aligned sub-parts of a fat file.  A conformat mmap() requires alignment.
 546
 547 ----- Tagged ld64-43
 548
 549
 550 2006-03-02      Nick Kledzik    <kledzik@apple.com>
 551
 552         * src/MachOReaderRelocatable.hpp: <rdar://problem/4464370> tighten detection of anonymous non-lazy-pointer
 553
 554 ----- Tagged ld64-42
 555
 556 2006-02-28      Nick Kledzik    <kledzik@apple.com>
 557
 558         * src/MachOReaderRelocatable.hpp: fix x86 __IMPORT permissions for class Segment
 559
 560 2006-02-28      Nick Kledzik    <kledzik@apple.com>
 561
 562         <rdar://problem/4461240> SWB: ld64-37 (can't resolve symbol ___dso_handle)
 563         * src/MachOWriterExecutable.hpp: add class DsoHandleAtom
 564
 565 2006-02-28      Nick Kledzik    <kledzik@apple.com>
 566
 567         * unit-tests/test-cases/literals-coalesce-alignment: added test case
 568         * src/ld.cpp: when coalescing strings pick one with greater alignment
 569         <rdar://problem/4458660> ld64: CG link failed because lo14 reference to anonymous non-lazy-pointer not aligned
 570         * unit-tests/test-cases/relocs-c/test.c: tweak to fail like 4458660
 571         * src/MachOReaderRelocatable.hpp: detect anonymous non-lazy-pointer and transform into real non-lazy-pointers
 572
 573 ----- Tagged ld64-41
 574
 575 2006-02-24      Nick Kledzik    <kledzik@apple.com>
 576
 577         * src/Options.cpp: Warning about -no_dead_strip_inits_and_terms and -i options.
 578                                            Fix -weak-l option.
 579
 580 ----- Tagged ld64-40
 581
 582 2006-02-24      Nick Kledzik    <kledzik@apple.com>
 583
 584         <rdar://problem/4454698> Leopard9A113: ppc64 libstdc++.dylib initializer crashes in pthread_once
 585         * unit-tests/test-cases/multiple-entry-points: added
 586         * src/MachOReaderRelocatable.hpp: make sure that if there are multiple symbols with the same
 587         address, that we properly make zero length atoms for all but last symbol
 588
 589 2006-02-24      Nick Kledzik    <kledzik@apple.com>
 590
 591         * src/Options.cpp: <rdar://problem/4456093> ld64 doesn't realpath(3) B&I tracing paths
 592
 593 2006-02-24      Nick Kledzik    <kledzik@apple.com>
 594
 595         * src/Options.cpp: <rdar://problem/4457078> 9A110: ld64 can't deal with section names >16 chars
 596
 597 2006-02-23      Nick Kledzik    <kledzik@apple.com>
 598
 599         * src/MachOWriterExecutable.hpp:  use vector.reserve() to minimize re-allocations
 600         * src/Options.cpp: use vector.reserve() to minimize re-allocations
 601         * src/MachOReaderRelocatable.hpp:  use vector.reserve() to minimize re-allocations
 602         * src/MachOReaderDylib.hpp:  use vector.reserve() to minimize re-allocations
 603         * src/ld.cpp:  use vector.reserve() to minimize re-allocations
 604
 605 2006-02-23      Nick Kledzik    <kledzik@apple.com>
 606
 607         <rdar://problem/4455927> ld64 creates corrupt executables (and has malloc errors) with -headerpad option
 608         * src/MachOWriterExecutable.hpp: Change LoadCommandsPaddingAtom<A>::setSize() to update fLargestAtomSize
 609         * unit-tests/test-cases/header-pad: added
 610
 611 2006-02-23      Nick Kledzik    <kledzik@apple.com>
 612
 613         <rdar://problem/4455192> ld64 creates invalid static executables
 614         * src/MachOWriterExecutable.hpp: Change MachHeaderAtom<A>::copyRawContent() to create correct header
 615         for static executables.  Change SymbolTableLoadCommandsAtom to skip LC_DYSYMTAB for static executables
 616         * src/machochecker.cpp: Add tests that static executables are well formed
 617         * unit-tests/test-cases/static-executable: added
 618
 619 2006-02-22      Nick Kledzik    <kledzik@apple.com>
 620
 621         * src/Options.cpp: <rdar://problem/4453468> chnage printf on unknown arg to a throw
 622
 623 ----- Tagged ld64-39
 624
 625 2006-02-20      Nick Kledzik    <kledzik@apple.com>
 626
 627         * unit-tests/test-cases/read-only-relocs: added new test case
 628         * src/MachOWriterExecutable.hpp: <rdar://problem/4448922> detect and error on relocs in read-only sections
 629         * src/MachOReaderRelocatable.hpp: fix parsing of i386 absolute addressing relocs
 630
 631 2006-02-20      Nick Kledzik    <kledzik@apple.com>
 632
 633         * unit-tests/test-cases/stabs-coalesce: added new test case
 634         * src/ld.cpp.hpp: <rdar://problem/4449226> in collectStabs removed unused stabs
 635
 636 ----- Tagged ld64-38
 637
 638 2006-02-17      Nick Kledzik    <kledzik@apple.com>
 639
 640         * src/MachOWriterExecutable.hpp: <rdar://problem/4434578> set correct n_sect field of stabs
 641
 642 2006-02-15      Nick Kledzik    <kledzik@apple.com>
 643
 644         * src/MachOReaderArchive.hpp: <rdar://problem/4441920> with -all_load skip over both kinds of SYMDEFs
 645         * unit-tests/test-cases/archive-basic/Makefile: add -all_load test case
 646
 647 ----- Tagged ld64-37
 648
 649 2006-02-13  Eric Christopher  <echristo@apple.com>
 650
 651         * src/MachOWriterExecutable.hpp (assignFileOffsets): Simplify. Add comments.
 652         Adjust whitespace.
 653
 654 2006-02-13      Nick Kledzik    <kledzik@apple.com>
 655
 656         * src/MachOWriterExecutable.hpp: in Writer<x86>::fixUpReferenceRelocatable() fix kPCRel32 for external case
 657
 658 2006-02-13      Nick Kledzik    <kledzik@apple.com>
 659
 660         * unit-tests/test-cases/zero-fill: added
 661         * src/machochecker.cpp: check that S_ZEROFILL have no file offset
 662         * src/MachOWriterExecutable.hpp: rework assignFileOffsets() to fix rdar://problem/4441145
 663
 664 2006-02-12      Nick Kledzik    <kledzik@apple.com>
 665
 666         * src/MachOReaderRelocatable.hpp: <rdar://problem/4440880> fix use of first zero-length c-string in .o file
 667
 668 2006-02-12      Nick Kledzik    <kledzik@apple.com>
 669
 670         * src/MachOReaderRelocatable.hpp: <rdar://problem/4440905> fix uninitialized fAlignment
 671
 672 2006-02-12      Nick Kledzik    <kledzik@apple.com>
 673
 674         * unit-tests/test-cases/relocs-asm/relocs-asm.s: add pointer-diff cases
 675         * src/Architectures.hpp: make size explicit in ppc/ppc64 kPointerDiff
 676         * src/MachOReaderRelocatable.hpp: don't allow kPointerDiff64 for ppc (just ppc64)
 677         * src/MachOWriterExecutable.cpp: set proper r_length for ld -r of kPointerDiff
 678
 679 ----- Tagged ld64-36
 680
 681 2006-02-08      Nick Kledzik    <kledzik@apple.com>
 682
 683         * src/MachOReaderRelocatable.cpp: rdar://problem/4438677 Handle when a .o file dwarf line info entries but no functions
 684
 685 2006-02-08      Nick Kledzik    <kledzik@apple.com>
 686
 687         * src/MachOWriterExecutable.cpp: Properly set address of first TEXT section
 688         Keep S_COALESCED attribute for __eh_frame
 689
 690 2006-02-08      Nick Kledzik    <kledzik@apple.com>
 691
 692         * src/ld.cpp: Temporarily turn allowable client errors into warnings
 693         * unit-tests/test-cases/allowable-clientMakefile: Temporarily let warnings be ok for above
 694         * src/MachOWriterExecutable.hpp: fix ld -r to not use external relocations for symbols make static
 695
 696 2006-02-08      Nick Kledzik    <kledzik@apple.com>
 697
 698         * src/ld.cpp: A sibling in an umbrella can always link with its other siblings
 699         * unit-tests/test-cases/allowable-client: add test case for above
 700
 701 2006-02-08      Nick Kledzik    <kledzik@apple.com>
 702
 703         * src/MachOReaderRelocatable.hpp: support LOCAL non-lazy pointers to hidden symbols
 704         * src/machochecker.cpp: verify indirect symbol table
 705         * unit-tests/test-cases/private-non-lazy: added test case
 706
 707 2006-02-07      Nick Kledzik    <kledzik@apple.com>
 708
 709         * src/MachOWriterExecutable.hpp: fix calculation of file offsets in ld -r mode
 710         * src/machochecker.cpp: verify segment file offsets are within file
 711
 712 ----- Tagged ld64-35
 713
 714 2006-02-06      Nick Kledzik    <kledzik@apple.com>
 715
 716         * ld.cpp: allow parent of sub-framework to link
 717         * unit-tests/test-cases/allowable-client/Makefile: added cases for parent and clients of parent
 718
 719 2006-02-04      Nick Kledzik    <kledzik@apple.com>
 720
 721         * unit-tests/test-cases/relocs-c/test.c:  added some array cases
 722         * src/MachOReaderRelocatable.hpp: factor out makeReferenceToEH()
 723         * src/MachOWriterExecutable.hpp: add initial support for non-lazy pointer synthesis
 724
 725 ----- Tagged ld64-34
 726
 727 2006-02-04      Nick Kledzik    <kledzik@apple.com>
 728
 729         * src/ld.cpp: <rdar://problem/4432917> fix -no_arch_warnings
 730                                   <rdar://problem/4432932> fix -undefined warning
 731                                 Do BINCL/EINCL optimization for gfull stabs
 732                                 Implement "essential symbols" for stabs (-Sp)
 733                                 Fix allowable clients to only test on direct libraries
 734         * src/MachOReaderRelocatable.hpp: support BINCL/EINCL stabs
 735
 736 2006-02-03      Nick Kledzik    <kledzik@apple.com>
 737
 738         * src/machochecker.cpp: add code to check load command alignment
 739         * src/MachOWriterExecutable.hpp: make load command alignment depend on architecture
 740
 741 2006-02-03      Nick Kledzik    <kledzik@apple.com>
 742
 743         * unit-tests/test-cases/literals-coalesce: added
 744         * src/MachOReaderRelocatable.hpp: assure all targets of low14 ppc relocs are at least 4-byte alignmented
 745
 746 ----- Tagged ld64-33
 747
 748 2006-02-02      Nick Kledzik    <kledzik@apple.com>
 749
 750         * src/MachOReaderRelocatable.hpp: properly coalesce 8-byte literals
 751         * src/MachOWriterExecutable.hpp: support ppc64::kPointerDiff32
 752
 753 ----- Tagged ld64-32
 754
 755 2006-02-02      Nick Kledzik    <kledzik@apple.com>
 756
 757         * src/MachOReaderRelocatable.hpp: support anonymous zero fill atoms
 758
 759 2006-02-02      Nick Kledzik    <kledzik@apple.com>
 760
 761         * src/ld.cpp: A weak definition is good enough, do not search archives for a non-weak one
 762         * unit-tests/test-cases/archive-weak: add test case for above
 763         * src/MachOReaderRelocatable.hpp: an atom should never have a by-name reference to itself
 764         * src/Options.cpp: prevent .eh symbols from being exported via a -exported_symbols_list
 765
 766 2006-02-01      Nick Kledzik    <kledzik@apple.com>
 767
 768         * src/MachOReaderRelocatable.hpp: Support -macosx_version_min 10.5
 769
 770 2006-02-01      Nick Kledzik    <kledzik@apple.com>
 771
 772         * src/MachOReaderRelocatable.hpp: don't try to parse debug_line dwarf if no symboled atoms
 773
 774 ----- Tagged ld64-31
 775
 776 2006-02-01  Eric Christopher  <echristo@apple.com>
 777
 778         * unit-tests/test-cases/allow-stack-execute/Makefile: Move otool handling...
 779         * unit-tests/include/common.makefile: ... here.
 780         * unit-tests/bin/fail-if-stdin.pl: New.
 781         * unit-tests/test-cases/no-uuid: Ditto.
 782         * src/ld.cpp (Linker::) Add fCreateUUID.
 783         (::Linker): Initialize.
 784         (::collectStabs): Use. Set if dwarf or we have a UUID already.
 785         (::writeOutput): Pass as argument to Writer::write along with option.
 786         * src/Options.h (Option::emitUUID): Declare.
 787         (Option::fEmitUUID): Ditto.
 788         * src/Options.cpp (Option::emitUUID): New.
 789         (parse): Handle -no_uuid.
 790         * src/MachOReaderRelocatable (Reader::Reader): Handle LC_UUID.
 791         * src/ExecutableFile.h (Writer::Write): Add createUUID boolean.
 792         * src/MachOWriterExecutable: Add UUID forward declaration.
 793         (fUUIDAtom): New.
 794         (UUIDLoadCommandAtom): Emit LC_UUID if fEmit. New function emit. Size
 795         to zero at start.
 796         (Writer::writer): Add handle for LC_UUID. If createUUID emit LC_UUID.
 797         (MachHeaderAtom::copyRawContent): Don't count a load command if its size is
 798         0.
 799         (UUIDLoadCommandAtom::copyRawContent): Depend on fEmit.
 800
 801
 802 2006-01-31      Nick Kledzik    <kledzik@apple.com>
 803
 804         * unit-tests/test-cases/dwarf-debug-notes : Added
 805         * src/ld.cpp: don't generate debug note for .eh symbols
 806         * src/MachOReaderRelocatable.hpp: make dwarf line info to atom matching faster and better
 807
 808 2006-01-31      Nick Kledzik    <kledzik@apple.com>
 809
 810         * ld64.xcodeproj/project.pbxproj : Make buildable on Leopard
 811         * src/MachOFileAbstraction.hpp: make buildable without latest cctools headers
 812
 813 2006-01-31      Nick Kledzik    <kledzik@apple.com>
 814
 815         * src/MachOReaderRelocatable.hpp: better error message for bad relocs
 816         * src/ObjectDump.cpp: add emacs tab settings
 817         * src/SectCreate.h: ditto
 818         * src/SectCreate.cpp: ditto
 819         * src/machochecker.cpp: ditto
 820         * src/ExecutableFile.h: ditto
 821
 822 2006-01-30  Eric Christopher  <echristo@apple.com>
 823
 824         * src/ExecutableFile.h: Indent.
 825
 826 2006-01-30      Nick Kledzik    <kledzik@apple.com>
 827
 828         * src/MachOReaderRelocatable.hpp: performance improvements
 829         * src/ld.cpp: now that stubs are synthesized in write, don't need to special case anymore
 830
 831 2006-01-30      Nick Kledzik    <kledzik@apple.com>
 832
 833         * src/MachOReaderRelocatable.hpp: fix parsing of pcc relocs
 834         * unit-tests/test-cases/relocs-asm/relocs-asm.s: add test case for above
 835
 836 2006-01-29      Nick Kledzik    <kledzik@apple.com>
 837
 838         * unit-tests/test-cases/weak_import: added test case
 839         * src/ld.cpp: move code for weak_import mismatch to writer
 840         * src/ObjectFile.h: remove ImportWeakness methods
 841         * src/MachOReaderDylib.hpp: ditto
 842         * src/SectCreate.cpp: ditto
 843         * src/Architectures.hpp: add new ReferenceKinds for weak_imports
 844         * src/MachOReaderRelocatable.hpp: implement new ReferenceKinds
 845         * src/MachOWriterExecutable.hpp: handle new ReferenceKinds and weak_import mismatches
 846
 847 2006-01-29      Nick Kledzik    <kledzik@apple.com>
 848
 849         * src/Options.cpp: verify -allow_stack_execute is only used on main executables
 850
 851 2006-01-29      Nick Kledzik    <kledzik@apple.com>
 852
 853         * src/MachOReaderRelocatable.hpp: sync with latest dwarf reader from Geoff
 854         * src/debugline.c: sync with latest dwarf reader from Geoff
 855
 856 2006-01-27  Eric Christopher  <echristo@apple.com>
 857
 858         * src/ld.cpp (Linker::syntesizeStabs): Correct spelling. Update all uses.
 859
 860 2006-01-27  Eric Christopher  <echristo@apple.com>
 861
 862         * src/Options.h (Options): Add hasExecutableStack, fExecutableStack.
 863         * src/Options.cpp (Options::hasExecutableStack): New.
 864         (Options::parse): Parse -allow_stack_execute.
 865         * src/MachOWriterExecutable.hpp (MachHeaderAtom::copyRawContent):
 866         Implement MH_ALLOW_STACK_EXECUTION.
 867         * unit-tests/include/common.makefile (FAIL_IF_EMPTY): New.
 868         * unit-tests/bin/fail-if-no-stdin.pl: New file.
 869         * unit-tests/test-cases/allow-stack-execute: New directory.
 870
 871 2006-01-27      Nick Kledzik    <kledzik@apple.com>
 872
 873         * src/MachOFileAbstraction.hpp: rely on latest system headers
 874         * src/MachOWriterExecutable.hpp: fix ppc stubs.
 875                 wrote new relocationNeededInFinalLinkedImage() to replace common code
 876
 877 2006-01-27  Eric Christopher  <echristo@apple.com>
 878
 879         * src/ld.cpp (logTraceInfo): New.
 880         (Linker::addArchive): Use.
 881         (Linker::addDylib): Ditto.
 882         * src/ObjectFile (ReaderOptions::fTraceOutputFile): New.
 883         * src/MachOReaderArchive.hpp (Reader::Reader): Move trace
 884         logging to Linker::addArchive.
 885         * src/Options.cpp (parsePreCommandLineEnvironment): Check
 886         LD_PRINT_FILE if tracing dylibs or archives.
 887
 888 2006-01-26      Nick Kledzik    <kledzik@apple.com>
 889
 890         * src/MachOWriterExecutable.hpp: handle NULL strings in SO debug notes
 891
 892 2006-01-26      Nick Kledzik    <kledzik@apple.com>
 893
 894         * src/MachOWriterExecutable.hpp: fix header padding calculation and thread state
 895
 896 2006-01-26      Nick Kledzik    <kledzik@apple.com>
 897
 898         Rewrite all stabs processing.
 899         Move sythesize of debug notes into ld.cpp
 900
 901 2006-01-26      Nick Kledzik    <kledzik@apple.com>
 902
 903         * src/MachOWriterExecutable.hpp: fix ppc and ppc64 stub relocs
 904
 905 2006-01-25      Nick Kledzik    <kledzik@apple.com>
 906
 907         * ld64.xcodeproj/project.pbxproj: special case building in Curry
 908
 909 2006-01-25      Nick Kledzik    <kledzik@apple.com>
 910
 911         * src/MachOWriterExecutable.hpp: fix bugs in stub/lazy-pointer synthesis
 912
 913 2006-01-24  Eric Christopher  <echristo@apple.com>
 914
 915         * src/ld.cpp (Linker::createReaders): Change logging title to XBS.
 916         (Linker::addDylib): Ditto.
 917         * src/MachOReaderArchive.hpp (Reader::Reader): Ditto.
 918         * src/Options.h (fPrintOptions): New.
 919         * src/Options.cpp (Options::Options): Initialize above.
 920         (Options::checkForFile): Change logging title to XBS.
 921         (Options::findFramework): Ditto.
 922         (Options::parse): Add log for options.
 923         (Options::parsePreCommandLineEnvironmentSettings): Add LD_TRACE_ARCHIVES,
 924         LD_TRACE_DYLIBS, and LD_PRINT_OPTIONS.
 925
 926 2006-01-24      Nick Kledzik    <kledzik@apple.com>
 927
 928         * src/MachOReaderRelocatable.hpp: better C++ eh parsing
 929
 930 2006-01-23  Eric Christopher  <echristo@apple.com>
 931
 932         * unit-tests/bin/fail-if-exit-zero.pl: New.
 933         * unit-tests/include/common.makefile (FAIL_IF_SUCCESS): Use.
 934         * unit-tests/allowable-client: New test.
 935         * src/ld.cpp (Linker::addDylib): Check allowable clients before adding dylib.
 936         * src/Options.h (allowableClients): New.
 937         (clientName): Ditto.
 938         (fAllowableClients): Ditto.
 939         (fClientName): Ditto.
 940         * src/Options.cpp: Implement above.
 941         (parse): Handle -allowable_client and -client_name.
 942         * src/MachOReaderDylib.hpp (getAllowableClients): New.
 943         (fAllowableClients): Ditto.
 944         (Reader): Process LC_SUB_CLIENT load command.
 945         * src/ObjectFile.h (parentUmbrella): New.
 946         (getAllowableClients): New.
 947         * src/MachOWriterExecutable.hpp (AllowableClientLoadCommandsAtom): New.
 948
 949 2006-01-23      Nick Kledzik    <kledzik@apple.com>
 950
 951         * unit-tests/test-cases/archive-basic: added
 952         * src/ld.cpp: fix shadowed local variable
 953         * src/FileAbstraction.hpp: <rdar://problem/4417372> ld64 shouldn't inline when building debug
 954
 955 2006-01-23      Nick Kledzik    <kledzik@apple.com>
 956
 957         * src/ld.cpp: fix symbol not found error message
 958         * src/MachOReaderDylib.hpp: add logging to hash table
 959         * src/MachOReaderRelocatable.hpp: enable stabs processing. Handle static functions with stubs
 960                                                                         handle labeled cstrings.
 961         * src/MachOWriterExecutable.hpp: properly suppress atoms not in symbol table. fix low14 error check.
 962                                                                         add StubAtomHelper.
 963         * unit-tests/test-cases/relocs-literals/test.c: add more interesting edge cases
 964
 965 2006-01-17      Nick Kledzik    <kledzik@apple.com>
 966
 967         * src/MachOReaderRelocatable.hpp: tweaks to synthesizing debug notes
 968
 969 2006-01-16      Nick Kledzik    <kledzik@apple.com>
 970
 971         * src/debugline.{sh}: added
 972         * src/MachOReaderRelocatable.hpp: synthesize debug notes SOL from dwarf
 973         * src/MachOWriterExecutable.hpp: fix lazy pointer section
 974         * src/ObjectDump.hpp: Fix conditionalization
 975         * unit-tests/test-cases/dwarf-strip: added
 976
 977 2006-01-11      Nick Kledzik    <kledzik@apple.com>
 978
 979         * src/MachOReaderRelocatable.hpp: support Tiger crt1.o build with old ld64
 980         * src/ObjectDump.hpp: Support -arch option
 981
 982 2006-01-10      Nick Kledzik    <kledzik@apple.com>
 983
 984         * src/MachOWriterExecutable.hpp: fix stubs for ppc64
 985         * src/MachOFileAbstraction.hpp: fix typo for macho_routines
 986         * ld64.xcodeproj/project.pbxproj: add machochecker target
 987         * src/machochecker.cpp: new skeleton for checking mach-o file bit
 988         * unit-tests/: Add support for running machochecker
 989
 990 2006-01-10      Nick Kledzik    <kledzik@apple.com>
 991
 992         * src/MachOReaderRelocatable.hpp: warn if dwarf can't be parsed
 993         * src/MachOReaderArchive.hpp: modTime for OSO stabs from archives is .a modTime
 994
 995 2006-01-09      Nick Kledzik    <kledzik@apple.com>
 996
 997         * track modification time of .o files so that sythesized OSO stab will have it
 998
 999 2006-01-09      Nick Kledzik    <kledzik@apple.com>
1000
1001         * src/MachOFileAbstraction.hpp: add macho_uuid_command
1002         * src/MachOWriterExecutable.cpp: add UUID load command to generated files
1003
1004 2006-01-09      Nick Kledzik    <kledzik@apple.com>
1005
1006         * src/MachOReaderDylib.hpp: no longer keep dylib memory mapped
1007         * src/ld.cpp: don't track dylib sizes because they are not longer memory mapped
1008
1009 2006-01-05      Nick Kledzik    <kledzik@apple.com>
1010
1011         * src/MachOReaderRelocatable.hpp: support new relocations
1012
1013 2006-01-05      Nick Kledzik    <kledzik@apple.com>
1014
1015         * src/MachOReaderDylib.hpp: support MH_DYLIB_STUB
1016         * src/MachOReaderRelocatable.hpp: Add Geoff's comp unit extractor
1017
1018 2006-01-05      Nick Kledzik    <kledzik@apple.com>
1019
1020         refactor: transform Atom::dontStripName() to getSymbolTableInclusion()
1021         * src/ld.cpp: pass dyld_stub_binding_helper to writer
1022         * src/MachOReaderRelocatable.hpp: update synthesized stabs
1023           Ignore stubs and lazy pointers in .o files
1024           Support initializers and terminators
1025         * src/MachOWriterExecutable.hpp: synthesize stubs and lazy pointers as needed
1026         * ld64.xcodeproj/project.pbxproj: change Release target to build with dwarf
1027
1028 2006-01-03  Eric Christopher  <echristo@apple.com>
1029
1030         * src/Options.h (multipleDefinitionsInDylibs): Declare.
1031         (overridingDefinitionInDependentDylib): Ditto.
1032         (warnOnMultipleDefinitionsInObjectFiles): Ditto.
1033         (multiplyDefined): Remove.
1034         (multiplyDefinedUnused): Ditto.
1035         (fMultiplyDefined): Ditto.
1036         (fWarnOnMultiplyDefined): New.
1037         (fMultiplyDefinedDynamic): Ditto.
1038         * src/Options.cpp (Options::Options): Initialize above.
1039         (overridingDefinitionInDependentDylib): New.
1040         (multipleDefinitionsInDylibs): Ditto.
1041         (warnOnMultipleDefinitionsInObjectFiles): Ditto.
1042         (parse): Update comments. Fix parsing of -y option.
1043         Update error message for -dead_strip. Parse above
1044         options.
1045
1046 2006-01-02      Nick Kledzik    <kledzik@apple.com>
1047
1048         * Refactor: move Atom::writeContent() to Writer
1049
1050 2005-12-23      Nick Kledzik    <kledzik@apple.com>
1051
1052         * Reworked, simplify, and document test harness
1053         * unit-tests/README: Added
1054
1055 2005-12-23      Nick Kledzik    <kledzik@apple.com>
1056
1057         * src/MachOReaderRelocatable.hpp: fixes for Objective-C
1058         * unit-tests/test-cases/relocs-objc: Added
1059
1060 2005-12-22      Nick Kledzik    <kledzik@apple.com>
1061
1062         * src/MachOReaderRelocatable.hpp: fix check that next reloc is pair
1063         * src/MachOReaderRelocatable.hpp: Add code to synthesize essential stabs from dwarf
1064
1065 2005-12-21      Nick Kledzik    <kledzik@apple.com>
1066
1067         * src/MachOReaderRelocatable.hpp: Fix parsing of literal sections
1068         * src/MachOWriterExecutable.hpp: Fix writing of literal sections
1069         * unit-tests/test-cases/relocs-literals: Added
1070
1071 2005-12-15  Eric Christopher  <echristo@apple.com>
1072
1073         * src/Options.h (enum Treatment): New.
1074         (enum PICTreatment): Delete.
1075         (enum VersionMin): New.
1076         (prebind): Declare.
1077         (macosxVersionMin): Ditto.
1078         (multiplyDefined): Ditto.
1079         (multiplyDefinedUnused): Ditto.
1080         (setVersionMin): Ditto.
1081         (setPICTreatment): Delete.
1082         (setReadOnlyRelocTreatment): Ditto.
1083         (picTreatment): Adjust return type.
1084         (parseTreatment): New.
1085         (fPrebind): Ditto.
1086         (fVersionMin): Ditto.
1087         (fPICTreatment): Change type.
1088         (fMultiplyDefined): New.
1089         (fMultiplyDefinedUnused): Ditto.
1090         (fLimitUndefinedSymbols): Ditto.
1091
1092         * src/Options.cpp: Fix whitespace. Add comments on options.
1093         (Options::Options): Add initializers for new variables.
1094         (Options::prebind): New.
1095         (Options::macosxVersionMin): Ditto.
1096         (Options::parseTreatment): Ditto.
1097         (Options::setVersionMin): Ditto.
1098         (Options::setReadOnlyRelocTreatment): Delete.
1099         (Options::setPICTreatment): Ditto.
1100         (Options::Parse): Update for above. Add comments.
1101
1102 2005-12-15      Nick Kledzik    <kledzik@apple.com>
1103
1104         * src/MachOReaderRelocatable.hpp: Add comments about dwarf
1105
1106 2005-12-14      Nick Kledzik    <kledzik@apple.com>
1107
1108         * src/ELFFileAbstraction.hpp: Added
1109         * src/ELFReaderRelocatable.hpp: Added
1110         * Lot of fixes for new architecture
1111         * Added __OPEN_SOURCE__ to "Preprocessor Macros" to disable new architecture support by default
1112
1113 2005-12-13      Nick Kledzik    <kledzik@apple.com>
1114
1115         * src/MachOReaderRelocatable.hpp: check for S_ATTR_DEBUG and ignore those sections
1116         * unit-tests/test-cases/dwarf-ignore: added
1117
1118 2005-12-12      Nick Kledzik    <kledzik@apple.com>
1119
1120         * Added test harness and three initial tests:
1121                 relocs-asm, relocs-c, and hello-world
1122
1123 2005-12-12      Nick Kledzik    <kledzik@apple.com>
1124
1125         * src/MachOReaderRelocatable.hpp: Massive refactoring:
1126                 Now there are three Atom classes, Chopping into Atoms
1127                 is done on label boundaries or by knowledge of special
1128                 sections, Share lots of ppc/ppc64 code.
1129         Stabs process code is temporarily disabled.
1130
1131 2005-12-12      Nick Kledzik    <kledzik@apple.com>
1132
1133         * src/ObjectDump.cpp: Add command line options: -no_content, -stabs, -no_sort
1134
1135 2005-12-11  Eric Christopher  <echristo@apple.com>
1136
1137         * src/Options.cpp: Reformat.
1138         * src/Options.h: Ditto.
1139
1140 2005-12-07  Eric Christopher  <echristo@apple.com>
1141
1142         * src/MachOReaderRelocatable.hpp (Atom::getAlignment):
1143         When calculating alignment of an Atom, take into account
1144         the alignment from which we pulled the Atom.
1145
1146 2005-12-06      Nick Kledzik    <kledzik@apple.com>
1147
1148         * src/Options.cpp src/Options.h: Add design comments
1149
1150 2005-12-05  Eric Christopher  <echristo@apple.com>
1151
1152         * src/ld.cpp (Linker::createWriter): Uncomment ppc64 and
1153         i386 linkers.
1154
1155 2005-12-05  Eric Christopher  <echristo@apple.com>
1156
1157         * ChangeLog: New file.
1158
1159 2005-12-02      Nick Kledzik    <kledzik@apple.com>
1160
1161         * src/ObjectFile.h: Add design comments
1162
1163 2005-11-30      Nick Kledzik    <kledzik@apple.com>
1164
1165         * Fix uses of __OPEN_SOURCE__
1166
1167 2005-11-28      Nick Kledzik    <kledzik@apple.com>
1168
1169         * Refactor Atom to use getDefinitionKind()
1170
1171 2005-11-21      Nick Kledzik    <kledzik@apple.com>
1172
1173         * src/MachOWriterExecutable.hpp: don't generate section for commons in -r mode
1174
1175 2005-11-18      Nick Kledzik    <kledzik@apple.com>
1176
1177         * x86 tweaks
1178
1179 2005-11-18      Nick Kledzik    <kledzik@apple.com>
1180
1181         * src/ObjectDump.cpp: make work with command line arguments
1182
1183 2005-11-18      Nick Kledzik    <kledzik@apple.com>
1184
1185         * Massive rework to remove preprocessor conditionals and use templates
1186
1187 2005-11-14      Nick Kledzik    <kledzik@apple.com>
1188
1189         * Created new Subversion repository for ld64 from cvs tag ld64-27.2