ChangeLog

   1
   2 ----- Tagged ld64-59
   3
   4 2006-06-22      Nick Kledzik    <kledzik@apple.com>
   5
   6         <rdar://problem/4596726> ld64 lost DWARF debug notes
   7         MachOReaderRelocatable.hpp: add fHasUUID so kDebugInfoStabsUUID can be set later
   8         unit-tests/test-cases/dwarf-debug-notes-r: added test case
   9
  10 2006-06-21      Nick Kledzik    <kledzik@apple.com>
  11
  12         <rdar://problem/4567995> python 64-bit address miscalculation
  13         src/MachOReaderRelocatable.hpp: change getTargetOffset() to sign extend the 32-bit value to 64-bits
  14
  15 2006-06-21      Nick Kledzik    <kledzik@apple.com>
  16
  17         <rdar://problem/4535036> ld64 seems to offset things incorrectly when using -r
  18         src/MachOWriterExecutable.hpp: in -r mode, virtual sections don't increment address
  19
  20
  21 ----- Tagged ld64-58
  22
  23 2006-06-16      Nick Kledzik    <kledzik@apple.com>
  24
  25         src/rebase.cpp: fix page alignment problem
  26         src/rebase.cpp: fix endianess problem with local non-lazy pointers
  27
  28 2006-06-15      Nick Kledzik    <kledzik@apple.com>
  29
  30         src/rebase.cpp: fix to build in CurryWeed
  31         ld64.xcodeproj/project.pbxproj: fix to build properly in CurryWeed
  32
  33 2006-06-15      Nick Kledzik    <kledzik@apple.com>
  34
  35         <rdar://problem/4495309> Support .objc_class_name_* symbols
  36         src/ObjectFile.h: Add kSymbolTableInAsAbsolute
  37         src/MachOReaderRelocatable.hpp: synthesize references to required objc classes
  38         src/MachOWriterExecutable.hpp: write objc_class_name as absolute symbol
  39         unit-tests/test-cases/objc-references: added
  40
  41 2006-06-15      Nick Kledzik    <kledzik@apple.com>
  42
  43         <rdar://problem/4484369> SECTION_ATTRIBUTES unset in ppc64 mach-o header
  44         src/MachOWriterExecutable.hpp: add section attribute for sections with code
  45
  46 2006-06-15      Nick Kledzik    <kledzik@apple.com>
  47
  48         <rdar://problem/4569407> ld64 bogus duplicate symbol name linking GNU libobjc
  49         src/MachOReaderRelocatable.hpp: only special case Apple's objc runtime objc classes
  50
  51 2006-06-15      Nick Kledzik    <kledzik@apple.com>
  52
  53         <rdar://problem/4582999> x86_64: ".align" directive not honored
  54         src/MachOReaderRelocatable.hpp: change code alignment to not depend on atom size
  55
  56 2006-06-14      Nick Kledzik    <kledzik@apple.com>
  57
  58         <rdar://problem/4585335> jump table into middle of weak symbol causes error
  59         src/MachOReaderRelocatable.hpp: create direct references to the interior of weak symbols
  60         src/MachOWriterExecutable.hpp: don't error on absolute references to interior of weak symbols
  61
  62 2006-06-13      Nick Kledzik    <kledzik@apple.com>
  63
  64         src/Options.cpp: allow -image_base as an alias for -seg1addr
  65
  66 2006-06-13      Nick Kledzik    <kledzik@apple.com>
  67
  68         <rdar://problem/4585115> implement -d
  69         src/Options.h: add fMakeTentativeDefinitionsReal
  70         src/Options.cpp: set fMakeTentativeDefinitionsReal if -d option is found
  71         src/MachOWriterExecutable.hpp: turn tentative into real definition if makeTentativeDefinitionsReal
  72         unit-tests/test-cases/btentative-to-real: added test case
  73
  74 2006-06-13      Nick Kledzik    <kledzik@apple.com>
  75
  76         <rdar://problem/4584355> implement -bundle_loader
  77         src/Options.h: add fBundleLoader bit to DynamicLibraryOptions
  78         src/Options.cpp: handle -bundle_loader
  79         src/ld.cpp: pass fBundleLoader bit to MachOReaderDylib
  80         src/MachOReaderDylib.hpp: support reading MH_EXECUTE files if fBundleLoader is set
  81         src/MachOWriterExecutable.hpp: set bundle loader ordinal as EXECUTABLE_ORDINAL
  82         unit-tests/test-cases/bundle_loader: added test case
  83
  84 2006-06-12      Nick Kledzik    <kledzik@apple.com>
  85
  86         <rdar://problem/4583347> -syslibroot can cause "can't find ordinal for imported" error
  87         src/MachOReaderDylib.hpp: in  Reader::reExports() compare install path in addition to load path
  88
  89
  90 2006-06-10      Nick Kledzik    <kledzik@apple.com>
  91
  92         <rdar://problem/4548935> Need rebasing tool
  93         src/rebase.cpp: added
  94         unit-tests/test-cases/rebase-basic: added
  95         doc/man/man1/rebase.1: added
  96         ld64.xcodeproj/project.pbxproj:  added rebase target.  changed all targets to build with dwarf
  97
  98
  99 2006-06-10      Nick Kledzik    <kledzik@apple.com>
 100
 101         src/machochecker.cpp: add some ppc reloc sanity checking
 102
 103 ----- Tagged ld64-57
 104
 105 2006-06-06      Nick Kledzik    <kledzik@apple.com>
 106
 107         <rdar://problem/4565088> ld64 is not adding a final '/' char on the initial directory-name SO stab debug map entry
 108         ld.cpp: Change Linker::synthesizeStabs() to assure directory SO always has a trailing slash
 109         unit-tests/test-cases/dwarf-debug-notes/expected-stabs: update with trailing /
 110
 111 2006-06-06      Nick Kledzik    <kledzik@apple.com>
 112
 113         <rdar://problem/4572702> -sectcreate of a 0-byte section fails
 114         MachOWriterExecutable.cpp: Don't error out on zero length segments
 115         MachOWriterExecutable.cpp: For ppc64 reloc base address is the first writable segment iff
 116          there is a writable segment >4GB from base address
 117
 118 2006-06-04  Eric Christopher  <echristo@apple.com>
 119
 120         Radar 4560240
 121         Radar 3964999
 122         * src/ld.cpp (createReader): Fixed error message.
 123         (resolve): Ditto.
 124         (resolveFrom): Ditto.
 125         (checkUndefines): Ditto.
 126
 127 ----- Tagged ld64-56
 128
 129 2006-05-23      Nick Kledzik    <kledzik@apple.com>
 130
 131         <rdar://problem/4558079> No debug notes for ObjC methods when linking with ld64
 132         ld.cpp: don't limit debug notes to functions starting with underscore
 133
 134 2006-05-22      Nick Kledzik    <kledzik@apple.com>
 135
 136         <rdar://problem/4556982> ld64 spends much time in mach_o::relocatable::Reader<x86_64>::findAtomByName
 137         * src/MachOReaderRelocatable.hpp: add makeReferenceToSymbol() so that x86_64 does not need to do by-name lookups
 138
 139 2006-05-22      Nick Kledzik    <kledzik@apple.com>
 140
 141         <rdar://problem/4535044> remove inferring warning
 142         * ld.cpp: Remove "inferring" warning.  If a link failed and now arch was specifed add which arch was
 143         inferred to error message
 144
 145 2006-05-19      Nick Kledzik    <kledzik@apple.com>
 146
 147         <rdar://problem/4544001> ld64 does not honor -arch_multiple
 148         * ld.cpp: If fOptions.printArchPrefix(), add architecture name to error message
 149
 150 2006-05-19      Nick Kledzik    <kledzik@apple.com>
 151
 152         <rdar://problem/4555973> Support S_16BYTE_LITERALS section types
 153         * src/MachOReaderRelocatable.hpp: support S_16BYTE_LITERALS
 154         * src/MachOWriterExecutable.hpp: support S_16BYTE_LITERALS
 155
 156 2006-05-19      Nick Kledzik    <kledzik@apple.com>
 157
 158         <rdar://problem/4548803> "warning can't parse dwarf compilation unit info" warnings building debug
 159         * src/MachOReaderRelocatable.hpp: fix bugs in dwarf line table parsing
 160
 161 ----- Tagged ld64-55
 162
 163 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 164
 165         <rdar://problem/4534339> Default the pagezero size to 4GB for x86-64
 166         * src/Options.cpp: Chnage default the pagezero size to 4GB for x86-64
 167
 168 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 169
 170         <rdar://problem/4552825> x86_64 CarbonCore fails to link with "atom not found in symbolIndex"
 171         * src/MachOWriterExecutable.hpp: in buildObjectFileFixups() don't call addObjectRelocs() on kNoFixUp references
 172
 173 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 174
 175         <rdar://problem/4553555> ld64: .section defaults to read-only
 176         * src/MachOReaderRelocatable.hpp: default unknown segments to r/w
 177
 178 2006-05-18      Nick Kledzik    <kledzik@apple.com>
 179
 180         <rdar://problem/4551990> -fvisibility=hidden causes crashes for x86_64
 181         * src/MachOWriterExecutable.hpp: properly handle RIP relative tentative definitions
 182
 183 2006-05-12      Nick Kledzik    <kledzik@apple.com>
 184
 185         * src/Architectures.hpp: add x86::kAbsolute32
 186         * src/MachOReaderRelocatable.hpp: generate x86::kAbsolute32 for mdynamic-no-pic instructions
 187         * src/MachOWriterExecutable.hpp: process x86::kAbsolute32 reference kind
 188
 189 ----- Tagged ld64-54
 190
 191 2006-05-11      Nick Kledzik    <kledzik@apple.com>
 192
 193         <rdar://problem/4545108> CF-393 failes to link for x86_64
 194         * src/MachOWriterExecutable.cpp: fix sign extension for Rel32 relocs in Writer<x86_64>::fixUpReferenceRelocatable
 195
 196 2006-05-11      Nick Kledzik    <kledzik@apple.com>
 197
 198         <rdar://problem/4501434> warning arch x86_64 not found using i386
 199         * src/ld.cpp: remove hack to allow x86_64 to link against i386 dylibs
 200
 201
 202 2006-05-10      Nick Kledzik    <kledzik@apple.com>
 203
 204         <rdar://problem/4543754> x86_64: .objc_class_name symbol names scrambled
 205         * src/MachOReaderRelocatable.hpp: properly compute alignment of __OBJC __class sections
 206
 207
 208 2006-05-08      Nick Kledzik    <kledzik@apple.com>
 209
 210         <rdar://problem/3894083> Support -dead_strip
 211         * src/Options.h/cpp: implement -why_load and -why_live.  Enable -dead_strip.
 212         * src/MachOReaderArchive.hpp: implement -why_load
 213         * src/MachOReaderRelocatable.hpp: suppress GCC_except_table* symbols in final output
 214         * src/ld.cpp: implement dead code stripping
 215         * unit-tests/test-cases/dead_strip: added
 216
 217 ----- Tagged ld64-53
 218
 219 2006-05-05      Nick Kledzik    <kledzik@apple.com>
 220
 221         * src/Options.cpp: make 10.4 be minimum OS version for newer architectures
 222
 223 2006-05-05      Nick Kledzik    <kledzik@apple.com>
 224
 225         <rdar://problem/4147604> N_SO symbols in 64-bit builds have a zero address for n.n_value
 226         * src/ld.cpp: for SO stabs, associate first and last atom in the SO range
 227         * src/MachOWriterExecutable.hpp: use atom associated with SO stab to set ins n_value
 228
 229 2006-05-05      Nick Kledzik    <kledzik@apple.com>
 230
 231         * MachOWriterExecutable.hpp: fix end FUN stab to have length of function
 232
 233
 234 2006-05-02      Nick Kledzik    <kledzik@apple.com>
 235
 236         <rdar://problem/4496250> 64-bit main executables should have 4GB zero page by default
 237         * src/Opptions.cpp: change default pagezero_size to 4GB for ppc64
 238         <rdar://problem/4492850> 64 bit: apps with -mdynamic-no-pic seg fault when page zero > 4GB
 239         * src/MachOWriterExecutable.cpp: rework pagezero for ppc64 so that if any mdynamic-no-pic code
 240         is found, the code is kept in the low 2GB, and a new segment is create to map away up to 4GB.
 241
 242 2006-05-02      Nick Kledzik    <kledzik@apple.com>
 243
 244         * src/Opptions.cpp: remove warning about -stack_addr not specified.  Add warning if 32-bit stack
 245         overlaps shared region
 246
 247 ----- Tagged ld64-52.1
 248
 249 2006-05-01      Nick Kledzik    <kledzik@apple.com>
 250
 251         * src/MachOReaderRelocatable.cpp: rework handleAnonymousNonLazyPointers() to handle anl's in the middle
 252         the __data section too.
 253
 254 ----- Tagged ld64-52
 255
 256 2006-04-28      Nick Kledzik    <kledzik@apple.com>
 257
 258         <rdar://problem/4513304> 64-bit: 9A152 TextEdit crashes in dlopen on bring-up
 259         * src/MachOReaderRelocatable.cpp: rework anonymous non-lazy-pointer detection
 260
 261 2006-04-28      Nick Kledzik    <kledzik@apple.com>
 262
 263         <rdar://problem/4528054> 64 Bit: Development build of ppc64 TextEdit gets confused about static variables
 264         * src/MachOReaderRelocatable.cpp: mark non-lazy-pointer atoms as scopeTranslationUnit if targetting a static symbol
 265
 266
 267 2006-04-27      Nick Kledzik    <kledzik@apple.com>
 268
 269         <rdar://problem/4498971> dyld crashes ungracefully on x86_64 when there is an internal exception
 270         * src/MachOWriterExecutable.cpp: allow non-zero PCRELGOT addends (used by C++ eh frames)
 271
 272 2006-04-21      Nick Kledzik    <kledzik@apple.com>
 273
 274         * src/Options.cpp: fix default address for ppc64 custom stack
 275         * src/MachOWriterExecutable.cpp: fix set up of ppc64 custom stack
 276
 277
 278 2006-04-14      Nick Kledzik    <kledzik@apple.com>
 279
 280         * src/Options.cpp: fix -sub_library processing to work it dylib is specifed with leaf name
 281
 282 ----- Tagged ld64-51.1
 283
 284 2006-04-13      Nick Kledzik    <kledzik@apple.com>
 285
 286         <rdar://problem/4513304> 64-bit: 9A152 TextEdit crashes in dlopen on bring-up
 287         * src/MachOReaderRelocatable.hpp: when detecting anonymous non-lazy-pointers disqualify data
 288         that points to static or global symbols
 289         * src/ld.cpp: print version of ld64 in error messages
 290
 291
 292 ----- Tagged ld64-51
 293
 294 2006-04-11      Nick Kledzik    <kledzik@apple.com>
 295
 296         <rdar://problem/4499168> exported symbols not properly stripped
 297         * src/MachOReaderRelocatable.hpp: enable AnonymousAtom::setScope()
 298
 299 2006-03-31      Nick Kledzik    <kledzik@apple.com>
 300
 301         <rdar://problem/4498391> ld64 fails when linking debug ppc64 HIToolbox
 302         * src/MachOReaderRelocatable.hpp: handle anonymous non-lazy pointers encoded with local relocations
 303         * src/MachOWriterExecutable.hpp: in -r mode, only generated INDIRECT_SYMBOL_LOCAL for non-lazy targets that
 304
 305
 306 2006-03-31      Nick Kledzik    <kledzik@apple.com>
 307
 308         <rdar://problem/4496499> ld64 should remove generated file if link errors out
 309         * src/MachOWriterExecutable.hpp: catch exceptions in Writer<A>::write(), delete output file, and rethrow
 310
 311
 312 ----- Tagged ld64-50
 313
 314 2006-03-29      Nick Kledzik    <kledzik@apple.com>
 315
 316         * src/MachOWriterExecutable.hpp: fix x86_64 addends when -multi_module forces an external relocation
 317
 318 2006-03-29      Nick Kledzik    <kledzik@apple.com>
 319
 320         * src/MachOReaderRelocatable.hpp: synthesize .objc_class_name symbols
 321         * src/MachOFileAbstraction.hpp: use strncpy for sect/seg names to zero fill trailing space
 322
 323 2006-03-28      Nick Kledzik    <kledzik@apple.com>
 324
 325         * src/MachOReaderRelocatable.hpp: fix spurious warning about dwarf line info
 326
 327 ----- Tagged ld64-49.1
 328
 329 2006-03-25      Nick Kledzik    <kledzik@apple.com>
 330
 331         * MachOWriterExecutable.hpp : don't complain about ppc64 dyld being based > 4GB
 332
 333 ----- Tagged ld64-49
 334
 335 2006-03-24      Nick Kledzik    <kledzik@apple.com>
 336
 337         * src/MachOWriterExecutable.hpp: dyld is allowed to have synthesized non-lazy pointers
 338         <rdar://problem/4488113> ld64 is after processing bad GSYM stabs
 339         * src/MachOReaderRelocatable.hpp: if a GSYM is found that does not match any data symbol, suppress it
 340
 341 2006-03-23      Nick Kledzik    <kledzik@apple.com>
 342
 343         * src/MachOWriterExecutable.hpp: in Writer<x86>::fixUpReferenceFinal() fix when x86::kPointer is for an
 344         external relocation
 345
 346 2006-03-23      Nick Kledzik    <kledzik@apple.com>
 347
 348         * src/Options.cpp: change macosx-min-version to default to a per-architecture setting
 349           add warning if -pagezero_size is not page aligned
 350         * src/MachOWriterExecutable.hpp: properly handle external relocations for ppc64 with 4GB pagezero
 351         * src/machochecker.cpp: sanity check relocation records
 352
 353 ----- Tagged ld64-48
 354
 355 2006-03-21      Nick Kledzik    <kledzik@apple.com>
 356
 357         <rdar://problem/4481406> 64bit: passing function pointer to another function passes the wrong function address
 358         * src/MachOReaderRelocatable.hpp: when processing a non-lazy pointer to a static function, don't accidentally
 359         match it to a STAB symbol.
 360
 361 2006-03-21      Nick Kledzik    <kledzik@apple.com>
 362
 363         <rdar://problem/4180168> .eh symbols make up 13% of libstdc++'s stripped binary size
 364         * src/ObjectFile.h: add ReaderOptions.fForFinalLinkedImage
 365         * src/Options.cpp: setup ReaderOptions.fForFinalLinkedImage
 366         * src/MachOReaderRelocatable.hpp: mark .eh symbols kSymbolTableNotIn when building final linked image
 367
 368 2006-03-21      Nick Kledzik    <kledzik@apple.com>
 369
 370         <rdar://problem/4473742> ld64 does not parse optional second argument to -filelist
 371         * unit-tests/test-cases/filelist: added
 372         * src/Options.cpp: in Options::loadFileList() handle comma option
 373
 374
 375 ----- Tagged ld64-47
 376
 377
 378 ----- Tagged ld64-46
 379
 380 2006-03-10      Nick Kledzik    <kledzik@apple.com>
 381
 382         <rdar://problem/4419505> ld64 should figure out architecture from .o files
 383         * unit-tests/test-cases/auto-arch: added
 384         * src/ld.cpp: added Linker::inferArchitecture() to scan .o files are infer architecture to link
 385         * src/MachOReaderArchive.hpp: enhanced validFile() to look deeper into archive and really valdate
 386         * src/MachOWriterExecutable.hpp: stop using fOptions.architecture()
 387         * src/Options.cpp: stop defaulting to ppc64
 388
 389
 390 2006-03-09      Nick Kledzik    <kledzik@apple.com>
 391
 392         <rdar://problem/4465004> Need "intentionally left blank" dylib stubs
 393         * unit-tests/include/common.makefile: add VALID_ARCHS
 394         * unit-tests/run-all-unit-tests: set up VALID_ARCHS
 395         * unit-tests/test-cases/blank-stubs: add test case
 396         * src/ld.cpp: in addDylib(), detect and ignore blank stubs
 397         * src/MachOReaderDylib.hpp: in constructor, handle blank stubs
 398
 399 2006-03-09      Nick Kledzik    <kledzik@apple.com>
 400
 401         <rdar://problem/4471424> crash in stub with 2GB pagezero
 402         * src/MachOWriterExecutable.hpp: StubAtom<ppc64> can't be no-pic if a large zero-page is used
 403
 404 2006-03-06      Nick Kledzik    <kledzik@apple.com>
 405
 406         * src/Options.cpp: addSectionAlignment, warn if -sectalign alignment is not a power of two
 407
 408 ----- Tagged ld64-45
 409
 410 2006-03-06      Nick Kledzik    <kledzik@apple.com>
 411
 412         <rdar://problem/4466930> <rdar://problem/4467982> ld64 failed: rel32 out of range when linking a dylib
 413         * src/MachOWriterExecutable.cpp: in  Writer<x86_64>::fixUpReferenceFinal add (int32_t) cast
 414
 415 2006-03-06      Nick Kledzik    <kledzik@apple.com>
 416
 417         <rdar://problem/4466930> LP64/9A122: ld64: hang when trying to link DiscRecording framework
 418         * src/Options.cpp: addSectionAlignment, warn on zero.  Use log2() for alignment conversion
 419
 420 2006-03-06      Nick Kledzik    <kledzik@apple.com>
 421
 422         <rdar://problem/4457818> x86_THREAD_STATE64_COUNT will change, ld64 must adapt
 423         * src/MachOWriterExecutable.hpp: update ThreadsLoadCommandsAtom<x86_64> for new thread status layout
 424
 425 ----- Tagged ld64-44
 426
 427 2006-03-04      Nick Kledzik    <kledzik@apple.com>
 428
 429         * src/MachOReaderRelocatable.hpp: fix again test for detection of anonymous non-lazy-pointer.
 430         Error out if .o file contains old __DWARFA style dwarf.
 431
 432 2006-03-02      Nick Kledzik    <kledzik@apple.com>
 433
 434         * src/ld.cpp: only re-map page aligned sub-parts of a fat file.  A conformat mmap() requires alignment.
 435
 436 ----- Tagged ld64-43
 437
 438 2006-03-03      Nick Kledzik    <kledzik@apple.com>
 439
 440         <rdar://problem/4465443> RIP-relative offsets aren't handled properly when the instruction has immediate operands
 441         * src/Architectures.hpp: add x86_64::kPCRel32_*
 442         * src/MachOReaderRelocatable.hpp: generate x86_64::kPCRel32_*
 443         * src/MachOWriterExecutable.hpp: process x86_64::kPCRel32_*