* elf32-spu.c (spu_elf_size_stubs): Revert 2008-01-28 doubling
of _ovly_buf_table size.
(spu_elf_build_stubs): Use low bit of .size as "present" bit.
Adjust initialisations relating to _ovly_buf_table.
ld/
* emultempl/spu_ovl.S: Use low bit of _ovly_table.size as
a "present" bit rather than low bit of .buf. Correct indexing
into _ovly_buf_table. Use relative loads and stores to access
overlay manager local vars.
* emultempl/spu_ovl.o: Regenerate.
overlays where possible. Use a faster call stub, or optionally at
compile time, a more compact stub. Double size of _ovly_buf_table
so that low bit of _ovly_table.buf can be used as a "present" bit.
Reserve an extra _ovly_table entry for index zero.
PR 5604
* elf-bfd.h (struct elf_backend_data): Add gc_keep. Remove param
names from others.
(_bfd_elf_gc_keep): Declare.
* elfxx-target.h (elf_backend_gc_keep): Define.
(elfNN_bed): Init new field.
* elflink.c (_bfd_elf_gc_keep): New function.
(bfd_elf_gc_sections): Call gc_keep.
* elf64-ppc.c (elf_backend_gc_keep): Define.
(struct _ppc64_elf_section_data): Move .opd related fields to
a struct so they don't occupy the same storage. Adjust accesses
throughout file.
(ppc64_elf_gc_keep): New function, split out from..
(ppc64_elf_gc_mark_hook): ..here. Don't call _bfd_elf_gc_mark
to mark .opd section, just set gc_mark.
(ppc64_elf_edit_opd): Remove no_opd_opt parm. Don't set opd->adjust
unless we are changing .opd. Test non-NULL opd->adjust at all
accesses throughout file.
* elf64-ppc.h (ppc64_elf_edit_opd): Update prototype.
ld/
PR 5604
* ldlang.c (lang_gc_sections): Move code to set SEC_KEEP on entry
syms to _bfd_elf_gc_keep.
* emultempl/ppc64elf.em (ppc_before_allocation): Don't call
ppc64_elf_edit_opd if no_opd_opt.
2008-01-11 Tristan Gingold <gingold@adacore.com>
Eric Botcazou <ebotcazou@adacore.com>
* ldlang.c (lang_end): Warns if the entry point is not found when
--gc-sections.
Emit an error if no root is specified when --gc-sections -r.
* ld.texinfo (Options): Document that --gc-sections is compatible
with -r and -q.
* ldmain.c (main): Do not error out if -r and --gc-sections.
* scripttempl/elf.sc: Emit ENTRY command only if relocating.
ld/testsuite:
2008-01-11 Tristan Gingold <gingold@adacore.com>
* lib/ld-lib.exp (check_gc_sections_available): Now available on
VxWorks.
* ld-gc: New directory for testing --gc-sections.
* ld-gc/gc.c: New file.
* ld-gc/gc.exp: New file.
* ld-gc/noent.s: New file.
* ld-gc/noent.d: New file.
PR ld/5526
* elf-bfd.h (eh_cie_fde): Add u.cie.u.full_cie and u.cie.merged
fields. Rename u.cie.u.merged to u.cie.u.merged_with.
(eh_frame_sec_info): Add a cies field.
(eh_frame_hdr_info): Add a merge_cies field.
* elf-eh-frame.c (cie): Add a reloc_index member to the personality
union.
(_bfd_elf_begin_eh_frame_parsing): Set hdr_info->merge_cies instead
of hdr_info->cies.
(_bfd_elf_parse_eh_frame): Remove tmp_cie. Ccreate an array of
cie structures in all cases and use it instead of extended_cies.
If merging, store the cie array in sec_info->cies and point each
CIE's eh_fde_cie at the associated element. Do not try to
calculate the value of the personality routine here; record the
offset of the relocation instead. Do not merge CIEs here.
(_bfd_elf_end_eh_frame_parsing): Do not free hdr_info->cies here...
(_bfd_elf_discard_section_eh_frame_hdr): ...do it here instead.
(_bfd_elf_gc_mark_fdes): Mark the original (unmerged) CIE.
(find_merged_cie): New function.
(_bfd_elf_gc_mark_fdes): Use it. Free sec_info->cies.
ld/testsuite/
PR ld/5526
* ld-elf/eh6.s, ld-elf/eh6.d: New test.
2008-01-07 H.J. Lu <hongjiu.lu@intel.com>
PR ld/5522
* elflink.c (elf_link_input_bfd): Don't write out a section if
its output section is marked with SEC_NEVER_LOAD.
ld/testsuite/
2008-01-07 H.J. Lu <hongjiu.lu@intel.com>
PR ld/5522
* ld-elf/noload-3.d: New file.
* ld-elf/noload-3.s: Likewise.
* ld-elf/noload-3.t: Likewise.
* ld-mn10300/i143317.s: New test - checks linker relaxation when symbols
are in a merged section.
* ld-mn10300/i143317.d: Expected disassembly.
* ld-mn10300/i143317.t: Linker map.
* ld-mn10300/mn10300.exp (mn10300_tests): Add the i143317 test.
* ld-mn10300/i135409-5.s: New test case. Check for relaxation to a 16-bit backward jump instruction.
* ld-mn10300/i135409-5.t: Linker script for the new test.
* ld-mn10300/i135409-5.d: Expected disassembly of new test.
* ld-mn10300/mn10300.exp: Run the new test.
computing whether instructions can be relaxed.
* ld-mn10300/i135409-4.s: New test case. Check for relaxation to a 16-bit
jump instruction.
* ld-mn10300/i135409-4.t: Linker script for the new test.
* ld-mn10300/i135409-4.d: Expected disassembly of new test.
* ld-mn10300/mn10300.exp: Run the new test.
* lib/ld-lib.exp (check_gc_sections_available): New proc, based on the version in gcc/testsuite/lib/target-supports.exp.
* ld-elf/eld.exp: Use check_gc_sections_available.
2007-09-18 Richard Sandiford <richard@codesourcery.com>
* elfxx-mips.c (mips_got_page_range): New structure.
(mips_got_page_entry): Likewise.
(mips_got_info): Add page_gotno and got_page_entries fields.
(mips_elf_got_per_bfd_arg): Add max_pages field. Delete
primary_count and current_count fields.
(mips_got_page_entry_hash, mips_got_page_entry_eq): New functions.
(mips_elf_pages_for_range, mips_elf_record_got_page_entry): Likewise.
(mips_elf_get_got_for_bfd): New function, split out from
mips_elf_make_got_per_bfd. Initialize the page_gotno and
got_page_entries fields when creating a new GOT structure.
(mips_elf_make_got_pages_per_bfd): New function.
(mips_elf_merge_got_with): New function, split out from
mips_elf_make_got_per_bfd. Merge page entries as well as
non-page entries. Use the minimum of max_pages and the sum
of the page_gotnos to estimate the number of page entries.
(mips_elf_merge_gots): Use the minimum of max_pages and the
bfd's page_gotno to estimate the number of page entries.
Use the above functions.
(mips_elf_multi_got): Add page entries as well as non-page entries
to the individual per-bfd GOTs. Initialize got_per_bfd_arg.max_pages.
Initialize the page_gotno and got_page_entries fields when creating
a new primary GOT. Use the minimum of pages and page_gotno when
adding the number of pages entries to local_gotno.
(mips_elf_create_got_section): Initialize the page_gotno and
got_page_entries fields of the GOT structure.
(mips_elf_rel_relocation_p, mips_elf_read_rel_addend)
(mips_elf_add_lo16_rel_addend, mips_elf_get_section_contents): New
functions, split out from...
(_bfd_mips_elf_relocate_section): ...here.
(_bfd_mips_elf_check_relocs): Record GOT page entries too.
(_bfd_mips_relax_section): Use mips_elf_get_section_contents.
(_bfd_mips_elf_always_size_sections): Use the smaller of the
loadable_size- and page_gotno-derived estimates.
ld/testsuite/
2007-09-18 Richard Sandiford <richard@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* ld-mips-elf/got-page-1.d, ld-mips-elf/got-page-1.s,
* ld-mips-elf/got-page-2.d, ld-mips-elf/got-page-2.s,
* ld-mips-elf/got-page-3.d, ld-mips-elf/got-page-3a.s,
* ld-mips-elf/got-page-3b.s, ld-mips-elf/got-page-3c.s,
* ld-mips-elf/got-page-1.ld: New tests.
* ld-mips-elf/mips-elf.exp: Run them.
* ld-mips-elf/multi-got-1.d, ld-mips-elf/multi-got-no-shared.d,
* ld-mips-elf/tls-hidden2-got.d, ld-mips-elf/tls-hidden2.d,
* ld-mips-elf/tls-hidden3.d, ld-mips-elf/tls-hidden3.got,
* ld-mips-elf/tls-hidden3.r, ld-mips-elf/tls-hidden4.got,
* ld-mips-elf/tls-hidden4.r, ld-mips-elf/tls-multi-got-1.d,
* ld-mips-elf/tls-multi-got-1.got, ld-mips-elf/tls-multi-got-1.r,
* ld-mips-elf/tlsbin-o32.d, ld-mips-elf/tlsbin-o32.got,
* ld-mips-elf/tlsdyn-o32-1.d, ld-mips-elf/tlsdyn-o32-1.got,
* ld-mips-elf/tlsdyn-o32-2.d, ld-mips-elf/tlsdyn-o32-2.got,
* ld-mips-elf/tlsdyn-o32-3.d, ld-mips-elf/tlsdyn-o32-3.got,
* ld-mips-elf/tlsdyn-o32.d, ld-mips-elf/tlsdyn-o32.got,
* ld-mips-elf/tlslib-o32-hidden.got, ld-mips-elf/tlslib-o32-ver.got,
* ld-mips-elf/tlslib-o32.d, ld-mips-elf/tlslib-o32.got: Update for
GOT allocation changes.
