bfd/ChangeLog

   1 2004-01-12  Anil Paranjpe  <anilp1@KPITCummins.com>
   2
   3         Adds linker relaxation support for bit manipulation insns like
   4         band, bclr, biand, bild, bior, bist, bixor, bld, bnot, bor, bset,
   5         bst, btst, bxor.
   6         * elf32-h8300.c : Opcode for bit manipulation insn is checked in
   7         elf32_h8_relax_section function while relxation for aa:16 and aa:32.
   8         * coff-h8300.c  : Opcode for bit manipulation insn is checked in
   9         h8300_reloc16_extra_cases function while relxation for aa:16 and aa:32.
  10
  11 2004-01-12  Alan Modra  <amodra@bigpond.net.au>
  12
  13         * dwarf2.c: Convert to C90, remove unneeded casts and prototypes.
  14
  15 2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>
  16
  17         * elf32-h8300.c: Fix formatting.
  18
  19 2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>
  20
  21         * elf32-cris.c (cris_elf_gc_sweep_hook): Return early if no
  22         dynamic object is present.  Declare r_symndx and h in an inner
  23         scope.
  24         * elf32-vax.c (elf_vax_gc_sweep_hook): Likewise.
  25
  26 2004-01-09  Daniel Jacobowitz  <drow@mvista.com>
  27
  28         * elf32-arm.h (struct elf32_arm_relocs_copied): Remove pc_count.
  29         (elf32_arm_copy_indirect_symbol): Don't copy pc_count.
  30         (elf32_arm_final_link_relocate): Handle PLT32 and PC24 relocs
  31         identically.  Do not emit PC24 relocations for shared libraries.
  32         (elf32_arm_gc_sweep_hook): Handle PLT32 and PC24 relocs
  33         identically.  Don't adjust pc_count.
  34         (elf32_arm_check_relocs): Handle PLT32 and PC24 relocs identically.
  35         Set ELF_LINK_HASH_NEEDS_PLT for both.  Don't adjust pc_count; don't
  36         adjust count for branch relocations.
  37         (allocate_dynrelocs): Correct typo in call to
  38         WILL_CALL_FINISH_DYNAMIC_SYMBOL.  Never allocate space for
  39         PC24 or PLT32 relocs when linking.
  40
  41 2004-01-09  Dmitry Semyonov  <Dmitry.Semyonov@oktet.ru>
  42
  43         * coff-arm.c (aoutarm_std_reloc_howto): [ARM_WINCE] Synchronize ARM_26D
  44         relocation howto with ARM_26 one for consistency.
  45         (coff_arm_relocate_section): Set partial_inplace for ARM_26 relocations
  46         that will be converted to ARM_26D ones, since we always want 'done'
  47         relocations to be reflected in section's data.
  48         (coff_arm_relocate_section): [ARM_WINCE] Quick fix for BL instruction
  49         offset.
  50         (_bfd_final_link_relocate): Do not modify "inplace" data, if not
  51         requested.
  52
  53 2004-01-08  Dmitry Semyonov  <Dmitry.Semyonov@oktet.ru>
  54
  55         * coff-arm.c (coff_arm_relocate_section): Do not alter relocs that
  56         are not partial_inplace during a relocatable link.
  57
  58 2004-01-08  Kazu Hirata  <kazu@cs.umass.edu>
  59
  60         * elf32-m68k.c (elf_m68k_gc_sweep_hook): Return early
  61         if no dynamic object is present.  Declare r_symndx and h in an
  62         inner scope.
  63
  64 2004-01-07  H.J. Lu  <hongjiu.lu@intel.com>
  65
  66         * elfxx-ia64.c (elfNN_ia64_relax_section): Don't install
  67         trampoline if it is known out of range.
  68
  69 2004-01-06  Alexandre Oliva  <aoliva@redhat.com>
  70
  71         2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
  72         * elf32-frv.c (_frv_osec_readonly_p): New.
  73         (_frv_emit_got_relocs_plt_entries): Don't emit rofixup for
  74         undefweak symbol.
  75         (_frv_count_got_plt_entries): Adjust expected count accordingly.
  76         (elf32_frv_relocate_section): Likewise.  Error out if attempting
  77         to emit rofixups or dynamic relocs in read-only segments.  Use
  78         _bfd_elf_section_offset to adjust r_offsets in rofixups and
  79         dynamic relocations.
  80         2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
  81         * elf32-frv.c (elf32_frv_relocate_section): Compute dynamic
  82         relocations or fixups involving merged sections correctly.  Avoid
  83         crash when undefined symbol is referenced by R_FRV_32 or
  84         R_FRV_FUNCDESC_VALUE.
  85         2003-12-02  Alexandre Oliva  <aoliva@redhat.com>
  86         * elf32-frv.c (elf32_frv_relocate_section): Add output_offset of
  87         input section holding local symbol to addend of R_FRV_32 or
  88         R_FRV_FUNCDESC_VALUE dynamic relocation.
  89         2003-11-27  Alexandre Oliva  <aoliva@redhat.com>
  90         * elf32-frv.c (elf32_frv_modify_segment_map): Add link info arg.
  91         (elf32_frv_always_size_sections): Don't store pointer to
  92         __stacksize symbol in sec_info.
  93         (elf32_frv_modify_segment_map): Look it up here.
  94         2003-11-26  Alexandre Oliva  <aoliva@redhat.com>
  95         * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Emit the address
  96         of the lazy PLT entry, not only its offset, as the low word of a
  97         function descriptor.
  98         2003-11-10  Alexandre Oliva  <aoliva@redhat.com>
  99         * elf32-frv.c (elf32_frv_always_size_sections): Define __stacksize
 100         if a hash table entry already exists but is not a definition.
 101         2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
 102         * elf32-frv.c (frv_elf_link_hash_table_create): Use bfd_zalloc.
 103         (_frv_add_rofixup): Don't inline.
 104         (_frv_emit_got_relocs_plt_entries): Use NULL as funcdesc address
 105         for undefweak symbols.
 106         (elf32_frv_relocate_section): Avoid crash while computing
 107         relocation when linking with shared library.  Only emit rofixups
 108         and dynamic relocations for alloc&load sections.  Mark binaries
 109         with inter-segment relocations for relocation as a unit.
 110         (_frv_create_got_section): Rename .rofixup.got to .rofixup.
 111         (DEFAULT_STACK_SIZE): New.
 112         (_frv_count_got_plt_entries): Fix thinko in deciding whether to
 113         emit rofixups or dynamic relocs when linking dynamic non-PIE
 114         executables.
 115         (elf32_frv_size_dynamic_sections): Generate rofixup on PIEs and
 116         shared libs too.  Reserve the last entry for the GOT pointer.
 117         (elf32_frv_finish_dynamic_sections): Emit it.
 118         (elf32_frv_always_size_sections): New.
 119         (elf32_frv_modify_segment_map): New.
 120         (elf32_frv_check_relocs): Reserve relocs32 space only in ALLOC
 121         sections.
 122         (frv_elf_merge_private_bfd_data): Clear PIC bit if FDPIC is set.
 123         (frv_elf_print_private_bfd_data): Handle FDPIC and LIBPIC.
 124         (elf_backend_always_size_sections): New.
 125         (elf_backend_modify_segment_map): New.
 126         2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
 127         * config.bfd: Added frv-*-*linux*.
 128         * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Use idx 0 for
 129         ABS section, instead of crashing.
 130         (elf32_frv_relocate_section): Don't crash before warning about
 131         different segments in non-PIC relocation.
 132         2003-10-17  Alexandre Oliva  <aoliva@redhat.com>
 133         * elf32-frv.c (elf32_frv_relocate_section): Don't warn on LABEL24
 134         relocs to undefweak symbols.
 135         (elf32_frv_relocate_section): Ditto for undefined symbols.
 136         2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
 137         * elf32-frv.c (elf32_frv_create_dynamic_sections): Make sure
 138         gotfixup section was created.
 139         2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
 140         * elf32-frv.c (elf32_frv_howto_table): Change GOT12,
 141         FUNCDESC_GOT12, GOTOFF12 and FUNCDESC_GOTOFF12 to
 142         complain_overflow_signed.
 143         * elf32-frv.c (_frv_add_rofixup): Do not error out if contents
 144         have not been allocated.
 145         (_frv_emit_got_relocs_plt_entries): Return non-void.  Assert
 146         privfd only if dynamic sections were created.
 147         (elf32_frv_relocate_section): Compute gprel_segment, and use it
 148         for GPREL relocs.  When linking relocatable FDPIC executables,
 149         emit warnings for relocations that would be illegal on PIE or
 150         shared libraries.  Emit rofixup for R_FRV_32 only if input object
 151         is not FDPIC.
 152         (_frv_create_got_section): Define _gp symbol in the rofixup
 153         section.
 154         (elf32_frv_finish_dynamic_sections): If rofixups needed but
 155         dynamic sections missing, error out requesting -melf32frvfd.
 156         2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
 157         * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Rearrange
 158         computation of addends from section and global or local symbol
 159         value.  Change return type to bfd_boolean, and return a failure if
 160         a dynamic FUNCDESC or FUNCDESC_VALUE relocation that requires a
 161         nonzero addend is required.
 162         (elf32_frv_relocate_section): Likewise.  Print error for
 163         unsupported nonzero addends.
 164         2003-09-18  Alexandre Oliva  <aoliva@redhat.com>
 165         * elf32-frv.c (FRV_SYM_LOCAL): In the absence of dynamic sections,
 166         force everything local.
 167         (_frv_emit_got_relocs_plt_entries): Cope with NULL sec.
 168         * elf32-frv.c (struct frv_elf_link_hash_table): Added sgotfixup.
 169         (frv_gotfixup_section): New.
 170         (FRV_SYM_LOCAL): Accept undefweak and local common symbols.
 171         (struct frv_pic_relocs_info): Split relocs into relocs32, relocsfd
 172         and relocsfdv.
 173         (_frv_add_rofixup): New.
 174         (_frv_emit_got_relocs_plt_entries): Generate fixups for non-PIE
 175         fdpic executables.  Use FRV_SYM_LOCAL more widely to simplify and
 176         improve some ugly conditions.
 177         (elf32_frv_relocate_section): Likewise.  Reject inter-segment
 178         relocations in fdpic.
 179         (_frv_create_got_section): Create .rofixup.got section.
 180         (struct _frv_dynamic_got_info): Added fixups.
 181         (_frv_count_got_plt_entries): Account in-GOT relocations into
 182         relocs32, relocsfd and relocsfdv.  Account them into relocs or
 183         fixups, as appropriate.
 184         (elf32_frv_size_dynamic_sections): Size rofixup section.  Simplify
 185         sizing of gotrel.
 186         (elf32_frv_finish_dynamic_sections): Verify that the right number
 187         of relocations and fixups was generated.
 188         (elf32_frv_check_relocs): Compute relocs32, relocsfd and
 189         relocsfdv.
 190         * elf32-frv.c (FRV_SYM_LOCAL): New macro, used instead of
 191         SYMBOL_CALLS_LOCAL and SYMBOL_REFERENCES_LOCAL.
 192         (FRV_FUNCDESC_LOCAL): New macro, used to decide whether a function
 193         descriptor of a (formerly-)global symbol is local.
 194         (struct frv_pic_relocs_info): Adjust comments.
 195         (_frv_emit_got_relocs_plt_entries): Adjust.
 196         (elf32_frv_relocate_section): Likewise.
 197         (_frv_count_got_plt_entries): Likewise.
 198         * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Don't add global
 199         symbol's value to addend in the common preamble.  Decay dynamic
 200         symbols to section+offset if they bind or call locally, for GOT
 201         and FUNCDESC_VALUE, respectively.
 202         (elf32_frv_relocate_section): Likewise.
 203         (elf32_frv_check_relocs): Don't register as dynamic symbols of
 204         internal or hidden visibility.
 205         2003-09-17  Alexandre Oliva  <aoliva@redhat.com>
 206         * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Get addend as
 207         argument, so as to not call _bfd_elf_rel_local_sym to compute it.
 208         (elf32_frv_relocate_section): Pass relocation addend in.  Use
 209         original relocation addend to look up the got relocs/plt entries
 210         table.  Do not call _bfd_elf_rel_local_sym.  Don't error out when
 211         processing relocations that reference .scommon symbols.
 212         2003-09-15  Alexandre Oliva  <aoliva@redhat.com>
 213         Introduce support for dynamic linking.
 214         * elf32-frv.c (R_FRV_FUNCDESC_VALUE): Mark it as 64 bits.
 215         (elf32_frv_rel_32_howto, elf32_frv_rel_funcdesc_howto,
 216         elf32_frv_rel_funcdesc_value_howto): New REL descriptors.
 217         (frv_reloc_type_lookup): Return REL howtos for executables and
 218         dynamic libraries.
 219         (frv_info_to_howto_rel): New.
 220         (struct frv_elf_link_hash_table): New.
 221         (frv_hash_table, frv_got_section, frv_gotrel_section,
 222         frv_plt_section, frv_pltrel_section, frv_relocs_info,
 223         frv_got_initial_offset, frv_plt_initial_offset): New macros.
 224         (frv_elf_link_hash_table_create): New.
 225         (struct frv_pic_relocs_info): New.
 226         (frv_pic_relocs_info_hash, frv_pic_relocs_info_eq): New.
 227         (frv_pic_relocs_info_find): New.
 228         (frv_pic_relocs_info_for_global, frv_pic_relocs_info_for_local):
 229         New.
 230         (FRV_LZPLT_BLOCK_SIZE, FRV_LZPLT_RESOLVE_LOC): New.
 231         (_frv_add_dyn_reloc, _frv_osec_to_segment): New.
 232         (_frv_emit_got_relocs_plt_entries): New.
 233         (elf32_frv_relocate_section): Add support for dynamic linking.
 234         Handle new relocations.
 235         (_frv_create_got_section): New.
 236         (elf32_frv_create_dynamic_sections): New.
 237         (ELF_DYNAMIC_INTERPRETER): New.
 238         (struct _frv_dynamic_got_info): New.
 239         (_frv_count_got_plt_entries): New.
 240         (struct _frv_dynamic_got_plt_info): New.
 241         (_frv_compute_got_alloc_data): New.
 242         (_frv_get_got_entry, _frv_get_fd_entry): New.
 243         (_frv_assign_got_entries, _frv_assign_plt_entries): New.
 244         (_frv_resolve_final_relocs_info): New.
 245         (elf32_frv_size_dynamic_sections): New.
 246         (elf32_frv_finish_dynamic_sections): New.
 247         (elf32_frv_adjust_dynamic_symbol): New.
 248         (elf32_frv_finish_dynamic_symbol): New.
 249         (elf32_frv_check_relocs): Handle new relocs.  Explain how the
 250         whole thing works.
 251         (elf_info_to_howto_rel): Define.
 252         (bfd_elf32_bfd_link_hash_table_create): Define.
 253         (elf_backend_create_dynamic_sections): Define.
 254         (elf_backend_adjust_dynamic_symbol): Define.
 255         (elf_backend_size_dynamic_sections): Define.
 256         (elf_backend_finish_dynamic_symbol): Define.
 257         (elf_backend_finish_dynamic_sections): Define.
 258         (elf_backend_want_got_sym): Define.
 259         (elf_backend_got_header_size): Define.
 260         (elf_backend_want_got_plt): Define.
 261         (elf_backend_plt_readonly): Define.
 262         (elf_backend_want_plt_sym): Define.
 263         (elf_backend_plt_header_size): Define.
 264         (elf_backend_may_use_rel_p): Define.
 265         (elf_backend_may_use_rela_p): Define.
 266         (elf_backend_default_use_rela_p): Define.
 267         2003-08-08  Alexandre Oliva  <aoliva@redhat.com>
 268         * elf32-frv.c (R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12,
 269         R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12,
 270         R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New.
 271         (frv_reloc_map): Map the corresponding BFD relocs to them.
 272         (frv_reloc_type_lookup): ... and back to BFD relocs.
 273         * reloc.c: New relocs.
 274         * bfd-in2.h, libbfd.h: Rebuilt.
 275         2003-08-04  Alexandre Oliva  <aoliva@redhat.com>
 276         * elf32-frv.c (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
 277         R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
 278         R_FRV_FUNCDESC_GOTLO): New.
 279         (frv_reloc_map): Map the corresponding BFD relocs to them.
 280         (frv_reloc_type_lookup): ... and back to BFD relocs.
 281         * reloc.c: New relocs.
 282         * bfd-in2.h, libbfd.h: Rebuilt.
 283
 284 2004-01-05  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
 285
 286         * elf32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
 287         targets to support pages of up to 64kB.
 288         (elf32_bed): Redefine to get a separate backend data structure for
 289         traditional targets.
 290         * elf64-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
 291         targets to support pages of up to 64kB.
 292         (elf64_bed): Redefine to get a separate backend data structure for
 293         traditional targets.
 294         * elfn32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
 295         targets to support pages of up to 64kB.
 296         (elf32_bed): Redefine to get a separate backend data structure for
 297         traditional targets.
 298
 299 2004-01-04  Mark Kettenis  <kettenis@gnu.org>
 300
 301         * elf32-sparc.c (elf32_sparc_grok_psinfo): New function.
 302
 303 2004-01-02  Mark Kettenis  <kettenis@gnu.org>
 304
 305         * elf32-i386.c (elf_i386_grok_prstatus): Add support for FreeBSD.
 306         (elf_i386_grok_psinfo): Likewise.
 307
 308 2004-01-02  Bernardo Innocenti  <bernie@develer.com>
 309
 310         * config.bfd: Add m68k-uClinux target.
 311
 312 2004-01-01  Grant Edwards <grante@visi.com>
 313
 314         * elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.
 315         * elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
 316         (elf32_h8_gc_sweep_hook): New function.
 317         (elf_backend_gc_mark_hook): Define.
 318         (elf_backend_gc_sweep_hook): Define.
 319         (elf_backend_can_gc_sections): Define.
 320
 321 For older changes see ChangeLog-0203
 322 \f
 323 Local Variables:
 324 mode: change-log
 325 left-margin: 8
 326 fill-column: 74
 327 version-control: never
 328 End: