bfd/ChangeLog

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