* Makefile.am (BFD32_LIBS): Add compress.lo.
(BFD32_LIBS_CFILES): Add compress.c.
(BFD_H_FILES): Likewise.
* Makefile.in: Regenerate.
* bfd-in2.h: Regenerate.
* config.in: Add HAVE_ZLIB_H
* configure.in: Add test for libz and zlib.h
* configure: Regenerate.
* dwarf2.c (read_section): New function.
(read_indirect_string): Call new function read_section.
(read_abbrevs): Likewise.
(decode_line_info): Likewise.
(read_debug_ranges): Likewise.
(find_line): Call new function read_section when just one
.zdebug_info section is found, otherwise read and compress
multiple sections.
(_bfd_dwarf2_cleanup_debug_info): Free sec_info_ptr.
* elf.c (_bfd_elf_make_section_from_shdr): Add zdebug prefix.
(special_sections_z): New struct.
(special_sections): Refer to special_sections_z.
* elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Recognize
sections named .zdebug_*.
(_bfd_mips_elf_fake_sections): Likewise.
* compress.c: New file.
(bfd_uncompress_section_contents): New function.
bfd/doc/
* Makefile.am (BFD_H_DEP): Add ../compress.c.
* Makefile.in: Regenerate.
binutils/
* config.in: Add HAVE_ZLIB_H
* configure.in: Add test for libz and zlib.h
* configure: Regenerate.
* dwarf.c (debug_displays): Add .zdebug_* strings.
* dwarf.h (struct dwarf_section): Add fields uncompressed_namd
and compressed_name.
* objdump.c (load_debug_section): Call
bfd_uncompress_section_contents when loading a compressed
section.
(dump_dwarf_section): Recognize compressed section name.
(mach_o_dwarf_sections): Rename as
mach_o_uncompressed_dwarf_sections.
(mach_o_compressed_dwarf_sections): New variable.
(generic_dwarf_section): Rename as
generic_uncompressed_dwarf_sections.
(generic_compressed_dwarf_sections): New variable.
(check_mach_o_dwarf): Save and restore
mach_o_compressed_dwarf_sections.
* readelf.c: Add #include for config.h and zlib.h
(process_section_headers): Recognize compressed section name.
(uncompress_section_contents): New function.
(load_debug_section): Call uncompress_section_contents when
loading a compressed section.
(display_debug_section): Recognize compressed section name.
binutils/testsuite:
* binutils-all/objdump.exp: Add test for objdump -s on a file
with a compressed debug section. Add test for objdump -W on a
file that contains a compressed debug section.
* binutils-all/readelf.exp: Call readelf_compressed_wa_test.
(readelf_compressed_wa_test): New function.
* binutils-all/dw2-compressed.S: New file.
* binutils-all/objdump.W: New file.
* binutils-all/objdump.s: New file.
* binutils-all/readelf.wa: New file.
* elfxx-mips.c (_bfd_mips_vxworks_adjust_dynamic_symbol): Don't
set the value of undefined symbols in shared objects.
(_bfd_mips_vxworks_finish_dynamic_symbol): Clear value for
undefined symbols unless pointer equality is needed.
ld/testsuite/
* ld-vxworks/plt-mips1.s: New.
* ld-vxworks/plt-mips1.d: New.
* elfxx-mips.c (MIPS_ELF_GNU_GOT1_MASK): New macro.
(_bfd_mips_elf_finish_dynamic_sections): Use it instead of 0x80000000.
ld/testsuite/
* ld-mips-elf/elf-rel-got-n64-linux.d: Expect bit 63 rather than
bit 31 of the second GOT entry to be set.
* ld-mips-elf/elf-rel-got-n64.d: Likewise.
* ld-mips-elf/elf-rel-xgot-n64-linux.d: Likewise.
* ld-mips-elf/elf-rel-xgot-n64.d: Likewise.
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.
* elfxx-mips.c (mips_elf_link_hash_table): Add computed_got_sizes.
(mips_elf_record_global_got_symbol): Increment local_gotno for
each forced-local symbol.
(_bfd_mips_elf_check_relocs): Pass forced-local call symbols to
mips_elf_record_global_got_symbol for VxWorks too.
(_bfd_mips_elf_always_size_sections): Set computed_got_sizes
to true after computing the GOT size.
(_bfd_mips_elf_hide_symbol): Increase local_gotno whenever
got.offset == 1. Only adjust global_gotno if computed_got_sizes.
For VxWorks, add a local entry when hiding a symbol that needs a
plt but has not been marked as needing a global got entry.
(_bfd_mips_elf_link_hash_table_create): Set computed_got_sizes to
false.
ld/testsuite/
* ld-mips-elf/vxworks-forced-local-1.d,
* ld-mips-elf/vxworks-forced-local-1.s,
* ld-mips-elf/vxworks-forced-local-1.ver: New test.
* ld-mips-elf/mips-elf.exp: Run it.
* ld-mips-elf/tlsdyn-o32-2.d: Adjust for removal of unnecessary
local GOT entry.
* ld-mips-elf/tlsdyn-o32-2.got: Likewise.
* ld-mips-elf/tlsdyn-o32-3.d: Likewise.
* ld-mips-elf/tlsdyn-o32-3.got: Likewise.
* ld-mips-elf/vxworks1-lib.dd: Likewise.
* ld-mips-elf/vxworks1-lib.rd: Likewise.
* elfxx-mips.c (mips_elf_calculate_relocation): Allow local stubs
to be used for calls from MIPS16 code.
gas/
* config/tc-mips.h (TC_SYMFIELD_TYPE): New.
* config/tc-mips.c (append_insn): Record which symbols have
R_MIPS16_26 relocations against them.
(mips_fix_adjustable): Don't reduce relocations against such symbols.
ld/testsuite/
* ld-mips-elf/mips16-local-stubs-1.s,
* ld-mips-elf/mips16-local-stubs-1.d: New tests.
* ld-mips-elf/mips-elf.exp: Run them.
* elfxx-mips.c (mips_elf_initialize_tls_index): When processing a
type (3) single-GOT entry, read tls_type from the hash table entry
rather than the GOT entry.
* elfxx-mips.c (mips_elf_create_local_got_entry): Remove
input_section argument. Create .rela.dyn relocations against
symbol 0 rather than the section symbol.
(mips_elf_local_got_index): Remove input_section argument.
Update call to mips_elf_create_local_got_entry.
(mips_elf_got_page, mips_elf_got16_entry): Likewise.
(mips_elf_calculate_relocation): Update calls to
mips_elf_local_got_index, mips_elf_got16_entry and mips_elf_got_page.
ld/testsuite/
* ld-mips-elf/vxworks1-lib.rd: Expect the GOT relocation to be
against symbol 0.
* elf.c (elf_fake_sections): Don't allow backend to change
SHT_NOBITS if called for strip/objcopy --only-keep-debug.
* elfxx-mips.c (_bfd_mips_elf_fake_sections): Remove similar
fix from here.
* elfxx-mips.c (mips_elf_calculate_relocation): Set DT_TEXTREL
when creating a __GOTT_BASE__ or __GOTT_INDEX__ relocation
in a read-only section.
(_bfd_mips_elf_check_relocs): Likewise.
ld/testsuite/
* ld-mips-elf/vxworks1-lib.td: New test.
* ld-mips-elf/mips-elf.exp: Run it.
* bfd-in.h (bfd_arm_vfp11_fix): New enum. Specify how VFP11
instruction scanning should be done.
(bfd_elf32_arm_init_maps, bfd_elf32_arm_vfp11_erratum_scan)
(bfd_elf32_arm_vfp11_fix_veneer_locations): Add prototypes.
(bfd_elf32_arm_set_target_relocs): Add vfp11 fix type argument to
prototype.
* elf-bfd.h (elf_backend_write_section): Add struct bfd_link_info
argument.
* elf32-arm.c (VFP11_ERRATUM_VENEER_SECTION_NAME)
(VFP11_ERRATUM_VENEER_ENTRY_NAME): Define macros.
(elf32_vfp11_erratum_type): New enum.
(elf32_vfp11_erratum_list): New struct. List of veneers or jumps to
veneers.
(_arm_elf_section_data): Add mapsize, erratumcount, erratumlist.
(elf32_arm_link_hash_table): Add vfp11_erratum_glue_size,
vfp11_fix and num_vfp11_fixes fields.
(elf32_arm_link_hash_table_create): Initialise vfp11_fix,
vfp11_erratum_glue_size, num_vfp11_fixes fields.
(VFP11_ERRATUM_VENEER_SIZE): Define. Size of an (ARM) veneer.
(bfd_elf32_arm_allocate_interworking_sections): Initialise erratum
glue section.
(elf32_arm_section_map_add): Add an code/data mapping symbol entry
to a section's map.
(record_vfp11_erratum_veneer): Create a single veneer, and its
associated symbols.
(bfd_elf32_arm_add_glue_sections_to_bfd): Add vfp11 erratum glue.
(bfd_elf32_arm_init_maps): Initialise mapping symbol table for input
BFDs.
(bfd_elf32_arm_set_vfp11_fix): Set the type of erratum workaround
required.
(bfd_arm_vfp11_pipe): Define VFP11 instruction pipes.
(bfd_arm_vfp11_regno): Recode a register number from a VFP11 insn.
(bfd_arm_vfp11_write_mask): Update write mask according to coded
register number.
(bfd_arm_vfp11_antidependency): New function.
(bfd_arm_vfp11_insn_decode): Decode a VFP11 insn.
(elf32_arm_compare_mapping): Declare.
(bfd_elf32_arm_vfp11_erratum_scan): Scan the sections of an input
BFD for potential erratum-triggering insns. Record results.
(bfd_elf32_arm_vfp11_fix_veneer_locations): Find out where veneers
and branches to veneers have been placed in virtual memory after
layout.
(bfd_elf32_arm_set_target_relocs): Set vfp11_fix field in global
hash table.
(elf32_arm_output_symbol_hook): Remove.
(elf32_arm_write_section): Output veneers, and branches to veneers.
Use maps from input sections, not output sections, for code
byte-swapping.
* elf32-ppc.c (ppc_elf_write_section): Add dummy link_info argument.
* elf32-score.c (_bfd_score_elf_write_section): Likewise.
* elfxx-mips.c (_bfd_mips_elf_write_section): Likewise.
* elfxx-mips.h (_bfd_mips_elf_write_section): Likewise.
* elf-bfd.h (local_call_stubs): New member.
* elfxx-mips.c (FN_STUB_P, CALL_STUB_P, CALL_FP_STUB_P): New macros.
(mips_elf_calculate_relocation): Handle local mips16 call stubs.
(mips16_stub_section_p): Rename from mips_elf_stub_section_p, use
the new stub macros.
(_bfd_mips_elf_check_relocs): Handle call stubs for code which
mixes mips16 and mips32 functions. Use mips16_stub_section_p. Mark
used stubs with SEC_KEEP. Use the new stub macros.
[ gas/testsuite/ChangeLog ]
* gas/mips/mips16-intermix.d, gas/mips/mips16-intermix.s: New
testcase.
* gas/mips/mips.exp: Run new testcase.
[ ld/testsuite/ChangeLog ]
* ld-mips-elf/mips16-intermix-1.s, ld-mips-elf/mips16-intermix-2.s,
ld-mips-elf/mips16-intermix.d: New testcase.
* ld-mips-elf/mips-elf.exp (mips16_intermix_test): Run new testcases.
* elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections): Make the
size of .rel.dyn reflect the value of DT_RELSZ.
ld/testsuite/
* ld-mips-elf/multi-got-1.d: Remove trailing R_MIPS_NONE entries.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tls-multi-got-1.r: Likewise.
* elfxx-mips.c (_bfd_mips_elf_additional_program_headers): Allocate
a PT_NULL header for dynamic objects.
(_bfd_mips_elf_modify_segment_map): Add it.
ld/testsuite/
* ld-mips-elf/multi-got-1.d: Do not expect a particular address
for DT_HASH.
* ld-mips-elf/rel32-o32.d: Bump addresses by 0x20 to account for
the extra program header.
* ld-mips-elf/rel32-n32.d: Likewise.
* ld-mips-elf/tlslib-o32.got: Likewise.
* ld-mips-elf/tlslib-o32-hidden.got: Likewise.
* ld-mips-elf/tlslib-o32-ver.got: Likewise.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tls-multi-got-1.r: Likewise.
* ld-mips-elf/rel64.d: Bump addresses by 0x30 to account for the
extra program header.
* ld-mips-elf/tlsdyn-o32.d: Reduce the GOT offset by 32 to account
for the extra program header, and thus the shorter gap between the
text and data segments.
* ld-mips-elf/tlsdyn-o32-1.d: Likewise.
* ld-mips-elf/tlsdyn-o32-2.d: Likewise.
* ld-mips-elf/tlsdyn-o32-3.d: Likewise.
* ld-mips-elf/tlsdyn-o32.got: Bump GOT text addresses by 0x20
to account for the extra program header.
* ld-mips-elf/tlsdyn-o32-1.got: Likewise.
* ld-mips-elf/tlsdyn-o32-2.got: Likewise.
* ld-mips-elf/tlsdyn-o32-3.got: Likewise.
* elfxx-mips.c (sort_dynamic_relocs): Sort relocations against the
same symbol by increasing r_offset.
(sort_dynamic_relocs_64): Likewise. Fix comparisons between very
large and very small symbol indexes.
ld/testsuite/
* ld-mips-elf/tlslib-o32-hidden.got: Sort relocations against the
same symbol in order of increasing r_offset.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tls-hidden3.r: Likewise.
* ld-mips-elf/tls-hidden4.r: Likewise.
* elfxx-mips.c (_bfd_mips_elf_size_dynamic_sections): Add DT_DEBUG
and DT_MIPS_RLD_MAP tags for position-independent executables.
Do not add DT_DEBUG to shared libraries for any MIPS target.
ld/testsuite/
* ld-mips-elf/multi-got-1.d: Remove DT_DEBUG tag. Do not require
a specific file offset for .dynamic. Reduce DT_HASH by 8 to account
for removed tag.
* ld-mips-elf/tls-multi-got-1.r: Likewise. Also reduce DT_REL by 8.
Reduce PLTGOT and symbol values by 16 to account for the removed tag.
* ld-mips-elf/textrel-1.d: Remove DT_DEBUG tag.
* ld-mips-elf/rel32-n32.d: Reduce addresses by 16 to account for
removed DT_DEBUG tag.
* ld-mips-elf/rel64.d: Likewise.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tlslib-o32-hidden.got: Likewise.
argument and emits the string followed by a comma and then the length of
the string.
(CONST_STRNEQ): New macro. Checks to see if a variable string has a constant
string as its initial characters.
(CONST_STRNCPY): New macro. Copies a constant string to the start of a
variable string.
* bfd-in2.h: Regenerate.
* <remainign files>: Make use of the new macros.
Craig Silverstein
Nathan Sidwell
Daniel Jacobowitz
Richard Sandiford
Catherine Moore
Alan Modra
Adam Nemet
Tristan Gingold
Mark Shinwell
Thiemo Seufer
Nick Clifton
Joseph Myers
Jan Beulich
H.J. Lu
Carlos O'Donell
Julian Brown