bfd/ChangeLog

   1 Fri Dec 31 11:46:13 1993  David J. Mackenzie  (djm@thepub.cygnus.com)
   2
   3         * i386mach3.c (N_TXTADDR): Don't define after all.
   4         (TEXT_START_ADDR): Don't include exec header size in value.
   5
   6 Thu Dec 30 15:47:54 1993  David J. Mackenzie  (djm@thepub.cygnus.com)
   7
   8         * i386mach3.c (N_TXTADDR): Define.
   9
  10 Thu Dec 30 13:37:24 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
  11
  12         Extensive changes to move the bulk of the linker into BFD so that
  13         more efficient backend code can be written for specific object
  14         files.  Only existing efficient backend is a.out.
  15         * seclet.c, seclet.h: Removed.
  16         * hash.c, linker.c, genlink.h: New files.
  17         * bfd-in.h: Removed bfd_error_vector.  Declared hash table
  18         structures and functions.
  19         (JUMP_TABLE): Removed bfd_seclet_link, added
  20         bfd_link_hash_table_create, bfd_link_add_symbols and
  21         bfd_final_link.
  22         * All backends: Changed accordingly.
  23         * bfd-in2.h: Rebuilt.
  24         * bfd.c (struct _bfd): Added link_next and archive_pass fields.
  25         Removed ld_symbols field.
  26         (bfd_nonrepresentable_section, bfd_undefined_symbol,
  27         bfd_reloc_value_truncated, bfd_reloc_is_dangerous,
  28         bfd_error_vector): Removed.
  29         (bfd_default_error_trap, bfd_error_trap,
  30         bfd_error_nonrepresentabltrap): Removed.
  31         (bfd_get_relocated_section_contents): Pass link_info.  Pass
  32         link_order instead of seclet.  Pass symbols.
  33         (bfd_relax_section): Pass link_info.
  34         (bfd_seclet_link): Removed.
  35         (bfd_link_hash_table_create, bfd_link_add_symbols,
  36         bfd_final_link): New macros.
  37         * libbfd-in.h: If __GNUC__ is defined and alloca is not, define
  38         alloca as __builtin_alloca.  Declare internal linking functions.
  39         * libbfd.h: Rebuilt.
  40         * libbfd.c (bfd_seek): Comment out fseek assertion.  It's worked
  41         for months.
  42         * reloc.c (reloc_howto_type): Added error_message argument to
  43         special_function field.  Changed all callers and all definitions.
  44         (bfd_get_reloc_size): Make argument a const pointer.
  45         (bfd_perform_relocation): Add error_message argument to hold
  46         string set if return value if bfd_reloc_dangerous.  Changed all
  47         callers.
  48         (_bfd_final_link_relocate, _bfd_relocate_contents): New functions.
  49         * section.c (asection): Renamed seclets_head and seclets_tail to
  50         link_order_head and link_order_tail.
  51         * targets.c (bfd_target): Replaced seclet argument with link_info
  52         and link_order and symbols arguments in
  53         bfd_get_relocated_section_contents.  Added symbols argument to
  54         bfd_relax_section.  Removed bfd_seclet_link.  Added
  55         bfd_link_hash_table_create, bfd_link_add_symbols and
  56         bfd_final_link.
  57         * libaout.h (struct aoutdata): Added external_syms,
  58         external_sym_count, external_strings, sym_hashes fields.
  59         (obj_aout_external_syms, obj_aout_external_sym_count,
  60         obj_aout_external_strings, obj_aout_sym_hashes): New accessor
  61         macros.
  62         (WRITE_HEADERS): Only output symbols if outsymbols is not NULL.
  63         * aoutx.h: Wrote new back end linker routines.
  64         (translate_to_native_sym_flags): Return boolean value.  Don't use
  65         bfd_error_vector.
  66         (NAME(aout,write_syms)): Return boolean value.  Check return value
  67         of translate_to_native_sym_flags and bfd_write.
  68         * aout-target.h (final_link_callback): New function.
  69         (MY_bfd_final_link): New function.
  70         * aout-adobe.c (aout_adobe_write_object_contents): Check return
  71         value of aout_32_write_syms.
  72         * hp300hpux.c (MY(write_object_contents)): Likewise.
  73         * i386lynx.c (WRITE_HEADERS): Likewise.
  74         * libaout.h (WRITE_HEADERS): Likewise.
  75         * bout.c: Changed functions to use link_info->callbacks rather
  76         than bfd_error_vector, and link_orders rather than seclets.
  77         * coff-alpha.c: Likewise.
  78         * coff-h8300.c: Likewise.
  79         * coff-h8500.c: Likewise.
  80         * coff-sh.c: Likewise.
  81         * coff-z8k.c: Likewise.
  82         * elf32-hppa.c: Likewise.
  83         * reloc16.c: Likewise.
  84         * coff-alpha.c (alpha_ecoff_get_relocated_section_contents): Look
  85         up _gp in the hash table rather than in outsymbols.
  86         * coff-a29k.c (a29k_reloc): Pass errors back in new error_message
  87         argument rather than printing them.
  88         * coffcode.h (bfd_coff_reloc16_extra_cases): Take link_info and
  89         link_order arguments rather than seclet.  Changed all uses and
  90         definitions.
  91         (bfd_coff_reloc16_estimate): Pass link_info arguments.  Changed
  92         all uses and definitions.
  93         * libcoff.h: Rebuilt.
  94         * ecoff.c (ecoff_get_extr): If symbol is defined by linker, but
  95         not by ECOFF, make it scAbs.
  96         (ecoff_bfd_final_link): Renamed from ecoff_bfd_seclet_link and
  97         rewritten.
  98         * elf32-mips.c (mips_elf_final_link): Renamed from
  99         mips_elf_seclet_link and rewritten.
 100         * elf32-hppa.c (elf32_hppa_stub_description): Added link_info
 101         field.
 102         (new_stub, add_stub_by_name, hppa_elf_build_arg_reloc_stub,
 103         hppa_elf_build_long_branch_stub, hppa_look_for_stubs_in_section):
 104         Added link_info arguments.  Changed all callers.
 105         * elfcode.h (elf_slurp_symbol_table): Don't quit if outsymbols is
 106         not NULL.
 107         * oasys.c (oasys_write_sections): Return boolean value rather than
 108         using bfd_error_vector.
 109         (oasys_write_object_contents): Check return value of
 110         oasys_write_sections.
 111         * hosts/std-host.h: Don't declare qsort or strtol.
 112         * Makefile.in: Rebuild dependencies.
 113         (BFD_LIBS): Removed seclet.o.  Added hash.o and linker.o.
 114         (CFILES): Removed seclet.c.  Added hash.c and linker.c.
 115         (HFILES): Removed seclet.h.  Added genlink.h.
 116
 117 Thu Dec 30 07:41:36 1993  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 118
 119         * section.c (bfd_get_section_contents):  Return zero filled buffer
 120         if section has no contents.
 121
 122 Tue Dec 28 12:43:54 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 123
 124         * elf.c (bfd_elf_generic_reloc): If this is not an inplace reloc,
 125         then skip bfd_perform_relocation even if the addend is non-zero.
 126
 127 Tue Dec 21 09:22:19 1993  Ken Raeburn  (raeburn@rtl.cygnus.com)
 128
 129         * coffcode.h (coff_write_relocs) [SWAP_OUT_RELOC_OFFSET]: Copy
 130         addend to r_offset field.
 131
 132         * Makefile.in (CFILES): Added coff-sparc.c.  Rebuild dependencies.
 133
 134         * coff-sparc.c (SWAP_IN_RELOC_OFFSET, SWAP_OUT_RELOC_OFFSET,
 135         CALC_ADDEND): Define.
 136
 137         * aix386-core.c (aix386_core_file_p): Use cd_regs[0] for computing
 138         the offsetof because AIX /bin/cc does not like to take the address
 139         of an array.  (From Minh Tran-Le.)
 140
 141 Thu Dec 16 13:06:32 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 142
 143         * Thu Dec 16 15:41:06 1993  Peter Hoogenboom  (hoogen@cs.utah.edu)
 144
 145         * elf32-hppa.c (hppa_elf_build_arg_reloc_stub): Make sure to copy
 146         the return pointer into %r2 if no jump-in-call-delay-slot
 147         optimization was done.
 148
 149         * hosts/hp300bsd.h: Correctly identify 4.3BSD vs 4.4BSD.
 150
 151 Wed Dec 15 08:04:16 1993  David J. Mackenzie  (djm@thepub.cygnus.com)
 152
 153         * hosts/std-host.h: (time): Don't declare; conflicts on Mach3.
 154
 155         * hosts/i386mach3.h (HOST_PAGE_SIZE): Set to 1 to avoid padding.
 156         (HOST_SEGMENT_SIZE): Set to 0 for same reason.
 157
 158         * i386mach3.c (PAGE_SIZE, SEGMENT_SIZE): Same changes as above.
 159         (TEXT_START_ADDR): Correct.
 160         (MY_backend_data): Define.
 161
 162         * aoutx.h (adjust_o_magic, adjust_z_magic, adjust_n_magic):
 163         New functions; code moved from aout_<size>_adjust_sizes_and_vmas.
 164
 165 Tue Dec 14 21:48:33 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 166
 167         * som.c (som_begin_writing): Fix thinkos in auxiliary header
 168         support.
 169         (bfd_som_attach_aux_hdr): Likewise.
 170
 171 Mon Dec 13 23:34:48 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 172
 173         * elf32-hppa.c (hppa_elf_gen_reloc_type): Handle 'T' field
 174         selectors for PIC code.
 175
 176         * som.c (hppa_som_gen_reloc_type): Handle 'T' field selectors.
 177         (som_write_fixups): Handle R_DLT_REL, R_FSEL, R_RSEL, R_LSEL
 178         relocations needed by PIC.
 179
 180 Tue Dec  7 15:47:51 1993  Stu Grossman  (grossman at cygnus.com)
 181
 182         * nlmcode.h:  Fixes to avoid compiler warnings...
 183
 184 Tue Dec  7 15:10:54 1993  Ian Lance Taylor  (ian@cygnus.com)
 185
 186         * libnlm.h (nlm_backend_data): Removed macro definition.
 187         (nlm_alpha_backend_data): Adjusted accordingly.
 188
 189 Sun Dec  5 19:32:08 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 190
 191         * som.c (som_begin_writing): Flesh out code for handling simple
 192         auxiliary headers.
 193         (bfd_som_attach_aux_hdr): New function.
 194
 195         * som.h (struct somdata): Add fields for attaching version and
 196         copyright headers.  Add accessor macros.
 197
 198         * som.c (R_DLT_REL, R_AUX_UNWIND, R_SEC_STMT): Add protected
 199         definitions for old versions of HPUX which fail to define them.
 200         (som_hppa_howto_talbe): Add R_DLT_REL, R_AUX_UNWIND, and R_SEC_STMT
 201         now that they're safe.  Delete bogus R_STATEMENT relocations.
 202
 203         * som.c (som_hppa_howto_table): Add missing R_END_TRY.  Delete
 204         extra R_DATA_OVERRIDE.
 205         (hppa_som_gen_reloc_type): Generate a relocation for the rounding
 206         mode selector if needed.
 207         (som_write_fixups): Handle requests for a change in the default
 208         rounding mode.  Rounding modes do not consume input bytes, but
 209         are just markers much like R_ENTRY and R_EXIT.
 210
 211 Sat Dec  4 19:40:32 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 212
 213         Fri Dec  3 09:55:17 1993  Pete Hoogenboom  (hoogen@cs.utah.edu)
 214
 215         * elf32-hppa.c: (hppa_elf_reloc):  Do not do code reordering when
 216         the branch instruction as originally been nullified.
 217         hppa_elf_reloc):  Avoid useless call to bfd_put_32 () in the
 218         case of no code reordering due to an LDO instruction in the
 219         delay slot of the branch.  Make sure to relocate the correct
 220         instruction.  Do not perform instruction reordering for millicode
 221         calls.
 222         (hppa_elf_build_arg_reloc_stub):  Change the relocation type
 223         to R_HPPA_STUB_CALL_17 when special processing might be needed.
 224         (hppa_elf_build_long_branch_stub): Prevent code reordering on
 225         a call from a linker stub to another linker stub and for millicode
 226         calls.  Do not trash the return register for calls from one linker
 227         stub to a second linker stub.
 228
 229         * elf32-hppa.c: (elf_hppa_howto_table):  PLABEL and DLT
 230         relocations are not pc-relative.
 231
 232         * hppa_stubs.h: (BLE_N_XXX_0_31):  New instruction used in
 233         linker stub code.
 234         (COPY_2_31):  Likewise.
 235
 236 Fri Dec  3 18:40:58 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 237
 238         * config/solaris2.mh (HDEFINES): Remove -Dconst=
 239         * hosts/solaris.h: If not __GNUC__, define const as empty.
 240
 241 Thu Dec  2 15:43:32 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 242
 243         * ecoff.c: Added various casts for 32/64 bit cross targeting.
 244         (ecoff_mkobject_hook): Set SEC_SHARED_LIBRARY for the .reginfo
 245         section so that the linker ignores it.
 246         * ecofflink.c: Added various casts for 32/64 bit cross targeting.
 247         (ecoff_add_bytes): Changed need argument to size_t.
 248         (bfd_ecoff_debug_link_other): Check return value of
 249         ecoff_add_string.
 250
 251         * libbfd-in.h (new_bfd): Use void rather than an empty parameter
 252         list.
 253         * libbfd.h: Rebuilt.
 254
 255         * libnlm.h (struct nlm_obj_tdata): New field backend_data.
 256         (nlm_backend_data, nlm_alpha_backend_data): New accessor macros.
 257         (struct nlm_backend_data): New field no_uninitialized_data.
 258         (nlm_no_uninitialized_data): New accessor macro.
 259         * nlmcode.h (nlm_compute_section_file_positions): Handle
 260         no_uninitialized_data.
 261         (nlm_external_reloc_compare): Sort relocs by address for a
 262         particular symbol, to make the sort more stable.
 263         (nlm_write_object_contents): Cast the arguments to qsort.  Get the
 264         value of a debugging symbol the same way we get the value of a
 265         normal symbol.
 266         * nlm32-alpha.c: Various changes.  Write out GP and .lita relocs.
 267         Set no_uninitialized_data to true.
 268         * nlm32-i386.c (nlm32_i386_backend), nlm32-sparc.c
 269         (nlm32_sparc_backend): Set no_uninitialized_data field false.
 270         * nlmswap.h (nlm_swap_fixed_header_out): Zero out destination
 271         before filling it in.
 272
 273 Wed Dec  1 21:47:58 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 274
 275         * som.c (som_section_type, som_decode_symcalss): New functions.
 276         (som_get_symbol_info): Use them.
 277         (som_slurp_symbol_table): Set the section of common and undefined
 278         symbols correctly.
 279
 280 Wed Dec  1 14:15:10 1993  Ken Raeburn  (raeburn@cygnus.com)
 281
 282         * elfcode.h (write_relocs): Initialize local var LAST_SYM_IDX, to
 283         make gcc happy.
 284
 285         * mipsbsd.c: Changes from Ralph Campbell:
 286         (mips_howto_table_ext): MIPS_RELOC_LO16 should use
 287         complain_overflow_dont.
 288         (aout_mips_*_vec): Make name use "a.out" instead of "aout", to
 289         make gdb happy.
 290
 291         * bfd.c (bfd_errmsgs): Reword invalid-target message.
 292
 293         * config.bfd: For sparc*-*-coff, use sparc-coff.
 294         * configure.in: Handle sparccoff_vec.
 295         * targets.c (sparccoff_vec): Declare.
 296
 297         * reloc.c (bfd_get_reloc_size): New function.
 298         (struct reloc_howto_type): Update documentation of size field.
 299
 300 Wed Dec  1 14:39:05 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 301
 302         * nlm32-alpha.c: New file; preliminary Alpha NetWare support.
 303         * config.bfd (alpha-*-netware*): New target; use alpha-nlm.
 304         * config/alpha-nlm.mt: New file.
 305         * configure.in (nlm32_alpha_vec): New vector; use nlm32-alpha.o,
 306         nlm32.o, and nlm.o.
 307         * Makefile.in (BFD32_BACKENDS): Added nlm32-alpha.o.
 308         (CFILES): Added nlm32-alpha.c.
 309         Rebuilt dependencies.
 310         * targets.c (nlm32_alpha_vec): Declare.
 311
 312         * libnlm.h (struct nlm_backend_data): New fields
 313         optional_prefix_size, nlm_backend_object_p, nlm_write_prefix,
 314         nlm_set_public_section, nlm_get_public_offset.  Removed unused
 315         nlm_write_reloc field.  Changed nlm_write_import to remove
 316         unnecessary symbol argument.  Renamed nlm_write_externals to
 317         nlm_write_external, and changed cound argument from bfd_vma to
 318         bfd_size_type.
 319         (nlm_optional_prefix_size, nlm_backend_object_p_func,
 320         nlm_write_prefix_func, nlm_set_public_section_func,
 321         nlm_get_public_offset_func): New accessor macros.
 322         (nlm_write_reloc_func): Removed.
 323         (nlm_write_external_func): Adjusted for field renaming.
 324         * nlm32-i386.c (nlm_i386_write_import): Renamed from
 325         nlm_i386_write_reloc.  Removed old nlm_i386_write_import which
 326         just called old nlm_i386_write_reloc.
 327         (nlm_i386_write_external): Renamed from nlm_i386_write_externals.
 328         Declared.  Changed second argument from bfd_vma to bfd_size_type.
 329         (nlm32_i386_backend): Adjusted for changes to fields and names.
 330         * nlm32-sparc.c (nlm_sparc_mangle_relocs): Removed unused,
 331         ifdeffed out code.
 332         (nlm_sparc_write_import): Removed second argument.
 333         (nlm_sparc_write_external): Renamed from
 334         nlm_sparc_write_externals.  Changed second argument from bfd_vma
 335         to bfd_size_type.
 336         (nlm32_sparc_backend): Adjusted for changes to fields and names.
 337         * nlmcode.h: Removed some unused code.
 338         (nlm_object_p): Don't destroy tdata pointer.  Call
 339         backend_object_p function if it exists.
 340         (nlm_slurp_symbol_table): Removed unused variable rcount.  Call
 341         set_public_section_func if it exists instead of checking
 342         NLM_HIBIT.
 343         (nlm_compute_section_file_positions): Account for
 344         optional_prefix_size.
 345         (nlm_write_object_contents): Account for optional_prefix_size.
 346         Removed useless variable write_reloc_func.  Changed declaration
 347         and call of write_import_func.  Call write_prefix_func if it
 348         exists.  Removed unused variables len and temp.  Call
 349         get_public_offset_func if it exists rather than setting NLM_HIBIT.
 350         * nlmswap.h: Declare functions.
 351
 352         * bfd-in.h (uint64_typeLOW, uint64_typeHIGH): Fully parenthesize
 353         for clarity.
 354         (fprintf_vma, sprintf_vma): Use %lx, not %x.
 355         * bfd-in2.h: Rebuilt.
 356         * hosts/alphaosf.h (uint64_typeLOW, uint64_typeHIGH): Cast results
 357         to unsigned long.
 358
 359         * config.bfd: Don't set target64 here, as the setting is ignored.
 360         * configure.in (ecoffalpha_little_vec): Set target64.
 361
 362         * config/alphaosf.mt (TDEFINES): Removed; setting host parameters
 363         in TDEFINES is wrong.
 364
 365         * coff-alpha.c (alpha_ecoff_get_relocated_section_contents):
 366         Remove unused variable output_section.
 367
 368 Tue Nov 30 16:45:23 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 369
 370         * irix-core.c: New file for Irix 4 and Irix 5 core support.
 371         Functions taken out of coff-mips.c.  Handle vmap type VMAPFILE.
 372         * coff-mips.c: Irix 4 core file support moved to irix-core.c.
 373         * targets.c: If IRIX_CORE defined, include irix_core_vec in
 374         target_vector.
 375         * config/irix4.mh (HDEFINES): Add -DIRIX_CORE.
 376         (HDEPFILES): Define to be irix-core.o.
 377         * config/irix5.mh (HDEFINES): Define to be -DIRIX_CORE.
 378         (HDEPFILES): Define to be irix-core.o.
 379         * Makefile.in (OPTIONAL_BACKENDS): Added irix-core.o.  Removed
 380         sco-core.o, which no longer exists.
 381         (CFILES): Added all *-core.c files.
 382         Rebuilt dependencies.
 383
 384 Wed Nov 24 02:02:41 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 385
 386         * elfcode.h (map_program_segments): Restore check of file_size !=
 387         mem_size, but only if SHT_PROGBITS.
 388
 389         * ecofflink.c: New file to hold ECOFF debug information linking
 390         routines.
 391         * ecoff.c (ecoff_clear_output_flags, ecoff_rel, ecoff_dump_seclet,
 392         ecoff_add_string, ecoff_get_debug): Removed.  Functionality now in
 393         ecofflink.c.
 394         (ecoff_get_extr, ecoff_set_index): New functions.
 395         (ecoff_slurp_symbolic_info): Don't save raw_size.
 396         (ecoff_bfd_seclet_link): Rewrote to use ecofflink.c functions.
 397         (ecoff_compute_section_file_positions): Don't set EXEC_P just
 398         because there is a start address.
 399         (ecoff_write_object_contents): Handle external symbols here.  Use
 400         ecofflink.c functions to write out debugging information.
 401         * elf32-mips.c (mips_elf_read_ecoff_info, mips_elf_get_extr,
 402         mips_elf_set_index): New functions.
 403         (mips_elf_seclet_link): Discard empty sections, the .options
 404         section and .gptab sections.  Handle linking .mdebug section.
 405         * libecoff.h (ecoff_data_type): Removed raw_size and ifdbase.
 406         * libelf.h (elf_symbol_type): Added mips_extr to tc_data union.
 407         * bfd-in.h: Added prototypes for routines in ecofflink.c (some are
 408         called by gas, so they are public).
 409         * bfd-in2.h: Rebuilt.
 410         * Makefile.in (BFD_LIBS): Added ecofflink.o.
 411         (CFILES): Added ecofflink.c.
 412         (ecofflink.o): New target.  Rebuilt dependencies.
 413
 414 Mon Nov 22 22:26:42 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 415
 416         * som.c (hppa_object_p): Also recognize SHARED_MAGIC_CNX as
 417         a valid magic number if it's been defined.
 418
 419 Mon Nov 22 14:17:36 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 420
 421         * ecoff.c (ecoff_mkobject): Don't create .scommon section; linker
 422         no longer requires it.
 423         (ecoff_bfd_seclet_link, ecoff_sizeof_headers,
 424         ecoff_write_object_contents): Don't treat .scommon section
 425         specially.
 426
 427 Mon Nov 22 10:54:27 1993  Fred Fish  (fnf@cygnus.com)
 428
 429         Merged changes from kev@spuds.geg.mot.com (Kevin A. Buettner):
 430         * bfd/config/delta88.mh (HDEFINES): Define this to be -DPTRACE_CORE.
 431         * bfd/config/delta88.mh (HDEPFILES): Defined to be ptrace-core.o.
 432         * bfd/ptrace-core.c:  New file for dealing with core files with
 433         start with the ptrace_user structure found on BCS compliant systems.
 434         * bfd/targets.c (ptrace_core_vec):  New vector.
 435
 436 Mon Nov 22 02:33:12 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 437
 438         * Minimal support for reading SOM fixup streams.  Allows
 439         objdump -r to do something reasonable.
 440         * som.c (som_get_reloc_upper_bound): Implement.
 441         (som_canonicalize_reloc): Implement.
 442         (som_set_reloc_info, som_slurp_reloc_table): New functions.
 443
 444 Sun Nov 21 13:46:55 1993  Ken Raeburn  (raeburn@cambridge.cygnus.com)
 445
 446         * hosts/lynx.h (FPRINTF_ALREADY_DECLARED): Define.
 447         * hosts/sparclynx.h: Include lynx.h instead of duplicating it.
 448
 449 Fri Nov 19 14:34:04 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 450
 451         * coff-a29k.c (a29k_reloc): For R_IREL, don't left shift
 452         signed_value before sign extending it.  Don't subtract out
 453         reloc_entry->address.  This makes it compatible with what gas is
 454         generating.
 455
 456         * elfcode.h (elf_fake_sections): Accept .sbss as the name for a
 457         SHT_NOBITS sections.
 458         (map_program_segments): Don't leave the loop after the first
 459         SHT_NOBITS section.
 460         (assign_file_positions_except_relocs): Only force sh_offset and
 461         sh_addr to match modulo maxpagesize for a section which is not
 462         SHT_NOBITS.  Changed the method used to force page alignment after
 463         a SHT_NOBITS section to only do it for the last such consecutive
 464         section, and to really force page alignment.
 465
 466 Fri Nov 19 04:02:01 1993  Ken Raeburn  (raeburn@cambridge.cygnus.com)
 467
 468         * coffcode.h (coff_slurp_symbol_table): Print more verbose message
 469         in the case of an unknown (or unhandled) storage class.
 470
 471         * config/i386-lynx.mt (TDEFINES): FPRINTF_ALREADY_DECLARED should
 472         not be defined here, since it is a host attribute, not a target
 473         one.
 474         * config/m68k-lynx.mt, config/sparc-lynx.mt: Ditto.
 475
 476         * coffcode.h (coff_bfd_reloc_type_lookup): Don't define if already
 477         defined.
 478
 479         * coff-sparc.c: Define some relocations, based on ELF relocations.
 480         (enum reloc_type, bfd_coff_generic_reloc, coff_sparc_howto_table,
 481         struct coff_reloc_map, sparc_reloc_map,
 482         coff_sparc_reloc_type_lookup): Borrowed from elf32-sparc.c and
 483         elf.c, renamed.
 484         (coff_bfd_reloc_type_lookup): Define to be coff_sparc_reloc_....
 485         (rtype2howto): Index into coff_sparc_howto_table using
 486         dst->r_type.
 487
 488 Thu Nov 18 11:45:39 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 489
 490         * config.bfd (mips*-*-irix5*): New target; use mipsbelf.
 491         * configure.host (mips-sgi-irix5*) New host; use irix5 (no
 492         hosts/irix5.h created; just use std-host.h).
 493         * config/irix5.mh: New file; like irix4.mh, but don't use -G or
 494         -lmalloc.
 495         * Makefile.in: Rebuilt dependencies.
 496
 497         * ecoffswap.h: Changed type of internal pointers for swap out
 498         functions to const *.
 499
 500         * elf32-mips.c (mips_elf_got16_reloc): New function.  Handle GOT16
 501         correctly for assembler, but linker support not implemented.
 502         (elf_mips_howto_table): Use mips_elf_got16_reloc for GOT16.
 503         (mips_elf_sym_is_global): New function; at least on Irix 5, all
 504         non section symbols are considered global.
 505         (elf_backend_sym_is_global): Define.
 506         (mips_elf_final_write_processing): New function.  Set the MIPS
 507         architecture level correctly.
 508         (elf_backend_final_write_processing): Define.
 509         (mips_elf_section_from_shdr): Handle SHT_MIPS_OPTIONS.
 510         (mips_elf_fake_sections): Set entsize of .mdebug or .reginfo
 511         section to 1.  Handle .options section.
 512         (mips_elf_acom_section, mips_elf_acom_symbol,
 513         mips_elf_acom_symbol_ptr): New static variables, used to build a
 514         generic .acommon section to hold SHN_MIPS_ACOMMON symbols.
 515         (mips_elf_symbol_processing): Handle SHN_MIPS_ACOMMON symbols by
 516         putting them all in a global .acommon section.
 517
 518         * elfcode.h (bfd_section_from_shdr): Don't dump core if target
 519         section has no ELF section data.
 520         (elf_make_sections): Set addralign of reloc section to 4.
 521         (elf_fake_sections): Likewise.
 522         (map_program_segments): Don't consider section 0.
 523         (assign_file_positions_except_relocs): Don't consider section 0.
 524         In the main loop, skip the symtab and strtab sections, since their
 525         positions are set elsewhere.
 526         (swap_out_syms): Set addralign of symtab section to 4.  Set
 527         addralign of strtab sections to 1.
 528         (assign_file_positions_for_relocs): Don't consider section 0.
 529         (write_object_contents): Don't write out section 0.
 530
 531         * libelf.h (struct elf_backend_data): Added fields
 532         elf_backend_sym_is_global and elf_backend_final_write_processing.
 533         * elf32-target.h (elf32_bed): Added corresponding initializers.
 534         * elf64-target.h (elf64_bed): Likewise.
 535         * elfcode.h (sym_is_global): Take abfd argument.  Call
 536         elf_backend_sym_is_global if it is not NULL.
 537         (elf_map_symbols): Pass abfd to sym_is_global.
 538         (write_object_contents): Call elf_backend_final_write_processing
 539         if it is defined.
 540
 541 Wed Nov 17 18:43:28 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 542
 543         * libecoff.h: Include coff/ecoff.h.
 544         (struct ecoff_backend_data): Move external debugging information
 545         fields into a single field pointing to an ecoff_debug_swap
 546         structure.
 547         (ecoff_data_type): Move debugging information fields into a single
 548         field pointing to an ecoff_debug_info structure.
 549         * coff-alpha.c, coff-mips.c, ecoff.c: Corresponding changes.
 550
 551 Wed Nov 17 17:38:58 1993  Sean Eric Fagan  (sef@cygnus.com)
 552
 553         * nlmswap.h: New file to swap fixed header.  Included by NLM
 554         backends.
 555         * libnlm.h (struct reloc_and_sec): Define.
 556         (struct nlm_backend_data): Add fields fixed_header_size,
 557         nlm_read_import, nlm_write_import, nlm_swap_fhdr_in,
 558         nlm_swap_fhdr_out.
 559         (nlm_fixed_header_size, nlm_read_import_func,
 560         nlm_write_import_func, nlm_swap_fixed_header_in_func,
 561         nlm_swap_fixed_header_out_func, nlm_write_external_func): New
 562         accessor macros.
 563         * nlmcode.h: Use new functions.
 564         * nlm32-i386.c: Provide new functions.
 565         * nlm32-sparc.c: New file; SPARC NLM backend.
 566
 567 Wed Nov 17 13:56:10 1993  Stan Shebs  (shebs@rtl.cygnus.com)
 568
 569         * i386lynx.c (swap_std_reloc_in, swap_ext_reloc_in): Ignore
 570         garbage bits appearing in the upper end of symbolnums.
 571
 572         * config/sparc-lynx.mt (TDEFINES): Add -DFPRINTF_ALREADY_DECLARED.
 573
 574 Tue Nov 16 17:03:41 1993  Stu Grossman  (grossman at cygnus.com)
 575
 576         * lynx-core.c (lynx_core_file_p):  Change bfd_zalloc to bfd_alloc.
 577         * m68klynx.c:  Define core file macros.
 578         * hosts/i386lynx.h, hosts/m68klynx.h, hosts/lynx.h:  Move all
 579         non-architecture specific stuff into lynx.h.
 580
 581 Tue Nov 16 15:45:54 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 582
 583         * i386linux.c: Define new macro ZMAGIC_DISK_BLOCK_SIZE to 1024, and
 584         change PAGE_SIZE to 4096.
 585
 586 Mon Nov 15 11:48:08 1993  Ken Raeburn  (raeburn@rtl.cygnus.com)
 587
 588         * Makefile.in (diststuff): New target.
 589
 590         * VERSION: Updated.
 591
 592 Sun Nov 14 23:33:01 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 593
 594         * som.c (som_object_setup): Do not create dummy ".text", ".data",
 595         and ".bss" sections.
 596         (setup_sections): Do not set SEC_HAS_CONTENTS if a section's size
 597         is zero.  Recognize BSS type sections and turn off SEC_LOAD and
 598         SEC_DATA (so binutils/size works).  Set the correct value for
 599         a section's _raw_size.
 600         (som_slurp_symbol_table): Program entry points, and millicode are
 601         also functions.  Mark them as such.  Also mark L$* symbols as
 602         debugging symbols.
 603
 604         * bfd-in2.h: Rebuilt.
 605
 606 Sat Nov 13 15:27:15 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 607
 608         * som.c (som_bfd_reloc_type_lookup): Add missing prototype.  Returns
 609         a pointer to constant data.  Delete bogus #define which made the
 610         function useless.
 611
 612         * som.c (som_prep_for_fixups): New function.
 613         (som_write_fixups): New function.
 614         (som_write_space_strings): New function.
 615         (som_write_symbol_strings): New function.
 616         (som_begin_writing): New function.
 617
 618 Fri Nov 12 15:29:36 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 619
 620         * som.c (som_write_object_contents): Do not abort.  Flesh out.
 621         (som_set_section_contents): Do not abort.  Flesh out.
 622
 623         * som.c (som_write_headers): New function.
 624         (som_prep_headers): New function.
 625         (som_build_and_write_symbol_table): New function.
 626
 627         * som.c (som_sizeof_headers): Add missing prototype.
 628         (som_set_arch_mach): Do not abort.
 629
 630         * som.c (som_count_spaces): New function.
 631         (som_count_subspaces): New function.
 632         (compare_syms): New function.
 633         (som_compute_checksum): New function.
 634
 635         * som.c (hppa_som_gen_reloc_type): New function.
 636         (som_bfd_reloc_type_lookup): New function.
 637
 638         * som.c (try_prev_fixup): New function.
 639         (som_reloc_skip): New function.
 640         (som_reloc_addend): New function.
 641         (som_reloc_call): New function.
 642
 643         * som.c (som_initialize_reloc_queue): New function.
 644         (som_reloc_queue_insert): Likewise.
 645         (som_reloc_queue_fix): Likewise.
 646         (som_reloc_queue_find): Likewise.
 647
 648         * som.c (som_hppa_howto_table): SOM howto relocation table.
 649         (hppa_som_reloc): New function.
 650
 651         * som.c (struct reloc_queue): New structure to keep track of
 652         the last four multibyte relocations emitted.
 653         (enum pa_symbol_type): Type to fully describe the symbol types
 654         associated with .import/.export assembler directives.
 655
 656         * som.c: Include libhppa.h
 657
 658         * som.c (bfd_som_set_section_attributes): New function.
 659         (bfd_som_set_subsection_attributes): Likewise.
 660         (bfd_som_set_symboL_type): Likewise.
 661         (bfd_som_attach_unwind_info): Likewise.
 662         * som.h: Declare new exported functions.
 663
 664         * som.h (struct som_symbol): Add new fields to hold additional
 665         information needed to build/write symbol tables and fixup streams.
 666         (struct som_section_data_struct): Add new fields to hold additional
 667         information needed to build/write space and subspace headers.
 668         (som_symbol_data): New accessor macro for SOM symbol information.
 669         (R_HPPA_*): Basic relocation types to be used by the assembler.
 670
 671 Fri Nov 12 11:00:28 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 672
 673         * trad-core.c (trad_unix_core_file_p): If new hook
 674         TRAD_CORE_ALLOW_ANY_EXTRA_SIZE defined, then skip the check for the
 675         corefile being too big.
 676         * hosts/i386sco.h: Define it.
 677
 678 Thu Nov 11 15:16:28 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 679
 680         * bfd.c (struct _bfd): Add hppabsd_core_data.
 681         * targets.c (target_vector): Add hppabsd_core_vec.
 682         * hpux-core.c (hpux_core_core_file_p): Fail if an unknown core
 683         section is encountered during core section scanning.
 684         * hppabsd-core.c: New file.
 685         * config/hppabsd.mh: Enable HPPA BSD core files.
 686
 687         * elf32-hppa.c (hppa_elf_reloc): Remove DEFUN crud.  Remove code
 688         which is either commented out or ifdef'd out.  Add, update and
 689         clean comments.  Fix various indention and spacing problems.  Handle
 690         problems related to using "ble" to jump to a stub rather than "bl"
 691         (%r31 is trashed by "ble", but not by "bl").
 692         (NEW_INSTRUCTION): Put inside curly braces.
 693         (CURRENT_STUB_OFFSET): Fix indention problems.
 694         (hppa_elf_build_arg_reloc_stub): Fix indention and spacing problems.
 695         Add, update and clean comments.  Handle "ble" %r31 lossage problems.
 696         (hppa_elf_build_long_branch_stub): Likewise.
 697         (hppa_look_for_stubs_in_section): Likewise.
 698         (hppa_elf_stub_check): Remove obsolete function.
 699
 700         * hppa_stubs.h: Add new instructions to deal with %r31 lossage
 701         problems.  Delete unused instructions.
 702
 703 Tue Nov  9 11:40:27 1993  Stan Shebs  (shebs@rtl.cygnus.com)
 704
 705         * m68klynx.c (TARGET_IS_BIG_ENDIAN_P): Define.
 706
 707 Tue Nov  9 11:26:05 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 708
 709         * elfcode.h (elf_object_p): Rather than looking through an array
 710         of architectures, get the ELF EM_xxx code from the backend
 711         information.  Let the generic ELF target match any EM_xxx code not
 712         matched by another ELF target.  Call elf_backend_object_p to let
 713         the backend do more checks and set global information.
 714         * libelf.h (struct elf_backend_data): Added elf_machine_code and
 715         elf_backend_object_p fields.
 716         (struct bfd_elf_arch_map): Removed.
 717         (bfd_elf_arch_map, bfd_elf_arch_map_size): Don't declare.
 718         * elf32-target.h, elf64-target.h: Initialize elf_machine_code
 719         field with ELF_MACHINE_CODE.  Initialize elf_backend_object_p
 720         field with elf_backend_object_p (if it is defined).
 721         * elf32-gen.c, elf32-hppa.c, elf32-i386.c, elf32-i860.c,
 722         elf32-m68k.c, elf32-m88k.c, elf32-mips.c, elf32-sparc.c,
 723         elf64-gen.c (ELF_MACHINE_CODE): Defined.
 724         * elf32-mips.c: Include ecoffswap.h to get ECOFF swapping
 725         routines.
 726         (mips_elf_object_p): Set the right machine number.
 727         (mips_elf_ecoff_debug_swap): Defined.
 728         (elf_backend_object_p): Defined to be mips_elf_object_p.
 729         (elf_backend_ecoff_debug_swap): Defined to be
 730         mips_elf_ecoff_debug_swap.
 731         * elf.c (bfd_elf_arch_map, bfd_elf_arch_map_size): Removed.
 732
 733         * libbfd-in.h (target_vector, default_vector): Declare.
 734         * libbfd.h: Rebuilt.
 735         * format.c (target_vector, default_vector): Don't declare.
 736
 737         * elf32-mips.c (elf_mips_howto_table): Don't complain on overflow
 738         for R_MIPS_26.  Correct overflow detection requires matching the
 739         upper four bits of the destination against the PC.  From Ted Lemon
 740         <mellon@pepper.ncd.com>.
 741
 742         * bout.c (b_out_reloc_type_lookup): Return type should point to
 743         const data.
 744         * coff-i960.c (coff_i960_reloc_type_lookup): Likewise.
 745         * elf32-hppa.c (elf_hppa_reloc_type_lookup): Likewise.
 746         * mipsbsd.c (MY(reloc_howto_type_lookup)): Likewise.
 747         * coff-i386.c (coff_i386_reloc): Made howto const.
 748         * oasys.c (oasys_write_data): Made how const.
 749
 750         * libelf.h: Added some comments.
 751         (struct elf_backend_data): Added elf_backend_ecoff_debug_swap
 752         field.  Removed unused write_relocs field.
 753         * elf32-target.h: Adjusted elf_backend_data initialization
 754         accordingly.
 755         * elf64-target.h: Corrected elf_backend_data initialization to
 756         fill in all fields and to set elf_64_p to 1.
 757
 758 Mon Nov  8 18:13:14 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 759
 760         * elfcode.h (bfd_section_from_shdr): Remove duplicate assignment
 761         to filepos in SHT_STRTAB case.
 762         (assign_file_position_for_section): Set BFD section filepos as
 763         well as ELF section sh_offset.
 764
 765         * reloc.c: Use const instead of CONST.
 766         (bfd_perform_relocation): Make variable howto a const pointer.
 767         * bfd-in2.h, libbfd.h: Rebuilt.
 768
 769 Mon Nov  8 12:19:15 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 770
 771         * Makefile.in (realclean): Don't remove generated headers.  Reverts
 772         change of 2 Jul 1993.
 773
 774 Mon Nov  8 06:08:31 1993  D. V. Henkel-Wallace  (gumby@cirdan.cygnus.com)
 775
 776         * configure.bfd: make unixware equivalent to sysv4.
 777
 778         * config/i386-nlm.mt: bring in elf config; make it the default.
 779
 780 Sun Nov  7 20:21:38 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 781
 782         * libbfd.c (bfd_put_8): Add parens around reference to "val"
 783         argument.
 784
 785 Fri Nov  5 21:45:09 1993  David J. Mackenzie  (djm@thepub.cygnus.com)
 786
 787         * hosts/i386mach3.h (HOST_SEGMENT_SIZE),
 788         i386mach3.c (SEGMENT_SIZE, TEXT_START_ADDR): Correct values (?).
 789
 790 Fri Nov  5 15:17:57 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 791
 792         * coffcode.h (coff_write_object_contents): Zero out internal_a.
 793
 794 Fri Nov  5 10:41:07 1993  David J. Mackenzie  (djm@thepub.cygnus.com)
 795
 796         * aoutx.h, archive.c, archures.c, bfd.c, cache.c, coffcode.h,
 797         core.c, ctor.c, format.c, init.c, libbfd.c, opncls.c, reloc.c,
 798         section.c, syms.c, targets.c:
 799         Doc cleanup (spelling, punctuation, grammar, formatting).
 800         * bfd-in2.h, libbfd.h: Rebuild.
 801
 802 Thu Nov  4 14:46:14 1993  John Gilmore  (gnu@rtl.cygnus.com)
 803
 804         * bfd-in.h (bfd_get_cacheable, bfd_set_cacheable):  New accessors.
 805         * bfd.c, opncls.c:  Improve comments on file descriptor cacheing.
 806
 807 Thu Nov  4 08:54:30 1993  Jeffrey A. Law  (law@snake.cs.utah.edu)
 808
 809         * From Pete Hoogenboom (hoogen@cs.utah.edu)
 810         * elf32-hppa.c (hppa_elf_get_section_contents): Fix logic error
 811         in last change.  Always rebuild symbol extension section the first
 812         time though if output sections exist (fixes ld -r problems).
 813
 814 Thu Nov 04 08:08:46 1993  Jeffrey Wheat  (cassidy@cygnus.com)
 815
 816         * Makefile.in: Add .PHONY for check and installcheck rules.
 817
 818 Tue Nov  2 14:42:27 1993  Bill Cox (bill@tarkas.cygnus.com)
 819
 820         * libbfd-in.h (artdata): Use long, not time_t for portability, at
 821           least to HPUX.  File below is a derived file.
 822
 823 Tue Nov  2 14:42:27 1993  Bill Cox (bill@tarkas.cygnus.com)
 824
 825         * libbfd.h (artdata): Use long, not time_t for portability, at
 826           least to HPUX.
 827
 828 Tue Nov  2 09:32:25 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 829
 830         * config.bfd: Use bigmips for mips*-*-bsd*.
 831
 832 Mon Nov  1 14:30:09 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 833
 834         * elfcode.h (elf_slurp_reloca_table, elf_slurp_reloc_table):
 835         Handle symbol number of zero.
 836
 837         * reloc.c (enum bfd_reloc_code_real): Added
 838         BFD_RELOC_MIPS_LITERAL, BFD_RELOC_MIPS_GOT16,
 839         BFD_RELOC_MIPS_CALL16, BFD_RELOC_MIPS_GPREL32.
 840         * bfd-in2.h: Rebuilt.
 841         * coff-mips.c (mips_bfd_reloc_type_lookup): Handle
 842         BFD_RELOC_MIPS_LITERAL.
 843         * elf32-mips.c (mips_reloc_map): Handle new relocs.
 844         (mips_elf_hi16_reloc, mips_elf_lo16_reloc): Rearrange _gp_disp
 845         checks slightly.
 846
 847         * aout-target.h (MY_bfd_debug_info_start, MY_bfd_debug_info_end,
 848         MY_bfd_debug_info_accumulat [sic]): Remove unused definitions.
 849         (MY_bfd_get_relocated_section_contents, MY_bfd_relax_section,
 850         MY_bfd_seclet_link): Define.
 851         (MY_bfd_reloc_type_lookup): Rename from
 852         MY_reloc_howto_type_lookup.
 853         (MY_bfd_make_debug_symbol): Rename from MY_make_debug_symbol.
 854         (MY(vec)): Use JUMP_TABLE rather than listing functions.
 855         * hp300hpux.c (MY_get_symtab, MY_get_symtab_upper_bound,
 856         MY_canonicalize_reloc, MY_write_object_contents): Don't define in
 857         terms of MY, because that causes a recusive invocation of CAT when
 858         expanded within JUMP_TABLE, and ANSI compilers don't expand
 859         recursive macros.
 860         * mipsbsd.c (MY_bfd_reloc_type_lookup): Rename from
 861         MY_reloc_howto_type_lookup, and don't define in terms of MY.
 862         (MY_canonicalize_reloc): Don't define in terms of MY.
 863         (aout_mips_little_vec, aout_mips_big_vec): Use JUMP_TABLE rather
 864         than listing functions.
 865
 866 Mon Nov  1 09:12:25 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 867
 868         * config.bfd: Use m68k-elf for m68*-*-sysv4*.
 869
 870 See file ChangeLog.1
 871
 872 \f
 873 Local Variables:
 874 mode: indented-text
 875 left-margin: 8
 876 fill-column: 74
 877 version-control: never
 878 End: