* elf64-ppc.c (toc_adjusting_stub_needed): New function.
(ppc64_elf_next_input_section): Use it here to set has_gp_reloc. Return error condition. (ppc64_elf_size_stubs): Restrict toc adjusting stubs to sections that have has_gp_reloc set. (struct ppc_link_hash_table): Add stub_count. (ppc_build_one_stub): Increment it. (ppc64_elf_link_hash_table_create): zmalloc rather than clearing individual fields. * elf64-ppc.h (ppc64_elf_next_input_section): Update prototype.
This commit is contained in:
Alan Modra
parent
2c58cc864d
commit
9b5ecbd0c6
3 changed files with 134 additions and 83 deletions
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@ -1,3 +1,16 @@
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2003-06-19 Alan Modra <amodra@bigpond.net.au>
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* elf64-ppc.c (toc_adjusting_stub_needed): New function.
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(ppc64_elf_next_input_section): Use it here to set has_gp_reloc.
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Return error condition.
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(ppc64_elf_size_stubs): Restrict toc adjusting stubs to sections
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that have has_gp_reloc set.
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(struct ppc_link_hash_table): Add stub_count.
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(ppc_build_one_stub): Increment it.
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(ppc64_elf_link_hash_table_create): zmalloc rather than clearing
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individual fields.
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* elf64-ppc.h (ppc64_elf_next_input_section): Update prototype.
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2003-06-18 Alan Modra <amodra@bigpond.net.au>
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* elflink.h (elf_gc_record_vtentry): Revert last change. Correct
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@ -419,7 +432,7 @@
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for X_STORMY16_REL_12 reloc.
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* elf.c (bfd_elf_get_needed_list): Use is_elf_hash_table to check
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the type of the has table in the bfd_link_info structure.
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the type of the hash table in the bfd_link_info structure.
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(bfd_elf_get_runpath_list): Likewise.
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2003-05-19 Roland McGrath <roland@redhat.com>
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@ -563,7 +576,7 @@
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* elf32-sh.c (sh_elf_adjust_dynamic_symbol): For weak symbols,
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copy ELF_LINK_NON_GOT_REF from weakdef.
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(allocate_dynrelocs): For undef weak syms with non-default
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(allocate_dynrelocs): For undef weak syms with non-default
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visibility, a) don't allocate plt entries, b) don't allocate
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.got relocs, c) discard dyn rel space
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(sh_elf_relocate_section): d) don't generate .got relocs, e)
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@ -1299,7 +1312,7 @@
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2003-03-25 Stan Cox <scox@redhat.com>
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Nick Clifton <nickc@redhat.com>
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Contribute support for Intel's iWMMXt chip - an ARM variant:
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Contribute support for Intel's iWMMXt chip - an ARM variant:
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* archures.c: Add bfd_mach_arm_iWMMXt.
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* reloc.c: Add BFD_RELOC_ARM_CP_OFF_IMM_S2.
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@ -1314,7 +1327,7 @@
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* cpu-arm.c (processors): Add iWMMXt.
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(arch_inf): Likewise.
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* elf32-arm.h (arm_object_p): Handle note section.
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(elf32_arm_merge_private_bfd_data): Allow iWMMXt object files to
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(elf32_arm_merge_private_bfd_data): Allow iWMMXt object files to
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be linked with XScale ones.
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(elf32_arm_section_flags): New function: Set flags on note section.
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(elf32_arm_final_write_processing): Handle note section.
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@ -1807,7 +1820,7 @@
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variables, structure fields or function params to tls_mask or
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similar to better reflect usage.
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(struct got_entry): Comment.
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(struct ppc_link_hash_entry): Expand comment, and renumber TLS_*.
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(struct ppc_link_hash_entry): Expand comment, and renumber TLS_*.
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(get_tls_mask): Rename from get_tls_type.
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2003-02-09 Alan Modra <amodra@bigpond.net.au>
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@ -2158,13 +2171,11 @@
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2003-01-23 Nick Clifton <nickc@redhat.com>
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* Add sh2e support:
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2002-04-02 Elena Zannoni <ezannoni@redhat.com>
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* archures.c (bfd_mach_sh2e): Added.
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* bfd-in2.h: Rebuilt.
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* cpu-sh.c (arch_info_struct): Added SH2e.
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* elf32-sh.c (sh_elf_set_mach_from_flags): Handle EF_SH2E.
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* archures.c (bfd_mach_sh2e): Added.
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* bfd-in2.h: Rebuilt.
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* cpu-sh.c (arch_info_struct): Added SH2e.
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* elf32-sh.c (sh_elf_set_mach_from_flags): Handle EF_SH2E.
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2003-01-23 Alan Modra <amodra@bigpond.net.au>
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@ -3079,7 +3090,7 @@
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2002-11-07 Michal Ludvig <mludvig@suse.cz>
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* dwarf2.c (read_indirect_string, read_abbrevs, decode_line_info,
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* dwarf2.c (read_indirect_string, read_abbrevs, decode_line_info,
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_bfd_dwarf2_find_nearest_line): Use
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bfd_simple_get_relocated_section_contents() instead of
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bfd_get_section_contents().
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@ -3637,7 +3648,7 @@
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* Makefile.am: Add entries for elf32-sh64-lin.c and
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elf64-sh64-lin.c. Regenerate.
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* Makefile.in: Regenerate.
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* config.bfd: Change sh64eb-*-linux* and sh64-*-linux*
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* config.bfd: Change sh64eb-*-linux* and sh64-*-linux*
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to use sh64 vectors rather than sh vectors.
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* configure.in: Add bfd_elf32_sh64lin_vec, bfd_elf32_sh64blin_vec,
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bfd_elf64_sh64lin_vec, bfd_elf64_sh64blin_vec.
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@ -4063,7 +4074,7 @@
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2002-08-28 Catherine Moore <clm@redhat.com>
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* elf32-v850.c (v850_elf_reloc_map): Add new relocs.
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* elf32-v850.c (v850_elf_reloc_map): Add new relocs.
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(v850-elf-reloc): Don't resolve pc relative relocs.
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(v850_elf_ignore_reloc): New routine.
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(v850_elf_final_link_relocate): Handle new relocs.
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@ -5072,7 +5083,7 @@
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2002-07-04 Alan Modra <amodra@bigpond.net.au>
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* section.c (_bfd_strip_section_from_output): Remove unnecessary
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* section.c (_bfd_strip_section_from_output): Remove unnecessary
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link order code. Don't actually remove the output section here;
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Just set a flag for the linker to do so.
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* elflink.c (_bfd_elf_link_renumber_dynsyms): Test for removed
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@ -5367,7 +5378,7 @@
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* elf64-hppa.c (elf64_hppa_mark_milli_and_exported_functions): New
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function.
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(allocate_global_data_dlt): Don't add millicode symbols to dynamic
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(allocate_global_data_dlt): Don't add millicode symbols to dynamic
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symbol table.
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(allocate_global_data_opd, allocate_dynrel_entries): Likewise.
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(elf64_hppa_size_dynamic_sections): Revise to use
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@ -6244,7 +6255,7 @@
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2002-05-18 Tom Rix <trix@redhat.com>
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* coff64-rs6000.c (_bfd_xcoff64_swap_aux_out): Fix C_FILE auxent.
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* coff64-rs6000.c (_bfd_xcoff64_swap_aux_out): Fix C_FILE auxent.
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2002-05-17 Alan Modra <amodra@bigpond.net.au>
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@ -7177,7 +7188,7 @@
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* coff-rs6000.c (_bfd_xcoff_stat_arch_elt): Renamed from
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_bfd_xcoff_generic_stat_arch_elt. Fix format check.
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* coff64-rs6000.c : Use _bfd_xcoff_stat_arch_elt.
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* coff64-rs6000.c : Use _bfd_xcoff_stat_arch_elt.
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2002-03-19 Tom Rix <trix@redhat.com>
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@ -7444,7 +7455,7 @@
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2002-02-20 Peter Schauer <pes@regent.e-technik.tu-muenchen.de>
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* osf-core.c (osf_core_vec): OSF/1 (Digital Unix) core files are
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* osf-core.c (osf_core_vec): OSF/1 (Digital Unix) core files are
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little endian.
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2002-02-19 Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -7490,7 +7501,7 @@
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* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
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* elf64-s390.c (elf_s390_relocate_section): Likewise.
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* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
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* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
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* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
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* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
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* elf64-alpha.c (elf64_alpha_relocate_section): Handle
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_bfd_elf_section_offset returning -2 the same way as -1.
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@ -7718,7 +7729,7 @@
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datalabel_got_offset.
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(sh_elf_link_hash_newfunc): Initialize it.
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(sh_elf_relocate_section): Augment the scope of
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seen_stt_datalabel. Introduce GOTPLT support. Extend GOTPC, PLT,
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seen_stt_datalabel. Introduce GOTPLT support. Extend GOTPC, PLT,
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GOT and GOTOFF handling to new SHmedia relocation types. Support
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GOT_BIAS.
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(sh_elf_check_relocs): Likewise.
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@ -7765,14 +7776,14 @@
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match official numbers and names; moved unmaching ones to the
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range 0xf2-0xff.
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* elf32-sh64.c, elf64-sh64.c: Likewise.
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2001-03-12 DJ Delorie <dj@redhat.com>
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2001-03-12 DJ Delorie <dj@redhat.com>
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* elf32-sh.c (sh_elf_relax_section): Don't relax SHmedia
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sections.
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2001-03-12 DJ Delorie <dj@redhat.com>
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2001-03-12 DJ Delorie <dj@redhat.com>
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* elf32-sh64.c (shmedia_prepare_reloc): Validate relocs that must
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be aligned.
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* elf64-sh64.c (sh_elf64_relocate_section): Ditto.
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2001-01-14 Hans-Peter Nilsson <hpn@cygnus.com>
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2001-01-14 Hans-Peter Nilsson <hpn@cygnus.com>
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* elf32-sh64.c (bfd_elf32_bfd_copy_private_section_data): Define.
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(sh64_elf_fake_sections): Set type to SHT_SH5_CR_SORTED for a
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.cranges section with SEC_SORT_ENTRIES set.
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@ -7783,9 +7794,9 @@
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start address if called by linker.
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2001-01-08 Ben Elliston <bje@redhat.com>
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* elf32-sh64.c (sh64_elf_final_write_processing): Activate
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Hans-Peter Nilsson's set bit 0 patch from 2001-01-06.
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Hans-Peter Nilsson's set bit 0 patch from 2001-01-06.
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* elf64-sh64.c (sh64_elf64_final_write_processing): Ditto.
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2001-01-06 Hans-Peter Nilsson <hpn@cygnus.com>
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2001-01-06 Hans-Peter Nilsson <hpn@cygnus.com>
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* elf64-sh64.c (sh_elf64_howto_table): No open brace at start of
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line. Add comments before all entries.
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<R_SH_PT_16, R_SH_SHMEDIA_CODE>: Correct and clarify describing
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@ -7805,7 +7816,7 @@
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clarify describing comment. Add comments before all entries.
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(sh_elf_relocate_section) <relocating for a local symbol>: Do not
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honour STO_SH5_ISA32; instead call reloc_dangerous callback.
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2001-01-06 Hans-Peter Nilsson <hpn@cygnus.com>
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2001-01-06 Hans-Peter Nilsson <hpn@cygnus.com>
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Sort .cranges section in final link. Prepare to set bit 0 on
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entry address.
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* elf32-sh64.c (struct sh64_find_section_vma_data): New.
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@ -7828,7 +7839,7 @@
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* elf32-sh64.c (sh64_elf64_final_write_processing): New, (but
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temporarily disabled) setting bit 0 on entry address.
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(elf_backend_final_write_processing): Define.
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2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com>
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2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com>
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* elf32-sh.c (sh_elf_howto_table) <R_SH_PT_16>: Adjust fields to
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be a proper relocation for PTA and PTB rather than a marker.
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<R_SH_IMMU5, R_SH_IMMS6, R_SH_IMMU6, R_SH_IMMS10, R_SH_IMMS10BY2,
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@ -7846,7 +7857,7 @@
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<case R_SH_PT_16>: New case.
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* Makefile.am (elf32-sh64.lo): Add dependency on sh64-opc.h.
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* Makefile.in: Regenerate.
|
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2000-12-30 Hans-Peter Nilsson <hpn@cygnus.com>
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2000-12-30 Hans-Peter Nilsson <hpn@cygnus.com>
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* elf64-sh64.c (sh64_elf64_fake_sections): Set SHF_SH5_ISA32 for
|
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all code sections.
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(sh_elf64_set_mach_from_flags): Change from EF_SH64 to EF_SH5.
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|
@ -7859,11 +7870,11 @@
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(sh64_elf_copy_private_data): Add missing "return true".
|
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(sh64_elf_set_mach_from_flags): Change from EF_SH64 to EF_SH5.
|
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(sh_elf64_merge_private_data): Ditto.
|
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2000-12-19 Hans-Peter Nilsson <hpn@cygnus.com>
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2000-12-19 Hans-Peter Nilsson <hpn@cygnus.com>
|
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* elf64-sh64.c (sh64_elf64_fake_sections): New, copy of
|
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elf64-sh64.c:sh64_elf_fake_sections.
|
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(elf_backend_fake_sections): Define as sh64_elf64_fake_sections.
|
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2000-12-18 Hans-Peter Nilsson <hpn@cygnus.com>
|
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2000-12-18 Hans-Peter Nilsson <hpn@cygnus.com>
|
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* elf32-sh64.c (sh64_elf_copy_private_data_internal): Delete.
|
||||
(sh64_elf_final_write_processing): New.
|
||||
(elf_backend_final_write_processing): Define.
|
||||
|
|
@ -7872,7 +7883,7 @@
|
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sh64_elf_copy_private_data_internal, just copy e_flags field.
|
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(sh64_elf_merge_private_data): Do not call
|
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sh64_elf_copy_private_data_internal.
|
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2000-12-12 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-12-12 Hans-Peter Nilsson <hpn@cygnus.com>
|
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Remove EF_SH64_ABI64, let ELF size make difference.
|
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Remove SH64-specific BFD section flag.
|
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* elf32-sh64.c (sh64_elf_fake_sections): Recognize section as
|
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|
|
@ -7888,7 +7899,7 @@
|
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* section.c (Section flags definitions): Don't define
|
||||
SEC_SH_ISA_SHMEDIA.
|
||||
(bfd-in2.h): Regenerate.
|
||||
2000-12-09 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-12-09 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
Make DataLabel references work with partial linking.
|
||||
* elf32-sh64.c: Fix formatting.
|
||||
(sh64_elf_link_output_symbol_hook): New.
|
||||
|
|
@ -7901,7 +7912,7 @@
|
|||
sh64_elf64_link_output_symbol_hook.
|
||||
(sh64_elf64_add_symbol_hook): Make DataLabel symbol just global
|
||||
undefined if partial linking. Adjust sanity check.
|
||||
2000-12-07 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-12-07 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
Implement semantics for inter-file DataLabel references.
|
||||
* elf64-sh64.c (DATALABEL_SUFFIX): Define.
|
||||
(sh64_elf64_add_symbol_hook): New.
|
||||
|
|
@ -7917,13 +7928,13 @@
|
|||
* elf32-sh.c (sh_elf_relocate_section): If passing an indirect
|
||||
symbol with st_type STT_DATALABEL on the way to a symbol with
|
||||
st_other STO_SH5_ISA32, do not bitor 1 to the relocation.
|
||||
2000-12-05 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-12-05 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
Pass through STT_DATALABEL.
|
||||
* elf32-sh64.c (sh64_elf_get_symbol_type): New.
|
||||
(elf_backend_get_symbol_type): Define.
|
||||
* elf64-sh64.c (sh64_elf64_get_symbol_type): New.
|
||||
(elf_backend_get_symbol_type): Define.
|
||||
2000-11-30 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-11-30 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
* elf32-sh64.c: Tweak comments.
|
||||
(sh64_elf_copy_private_data_internal): Add prototype.
|
||||
(bfd_elf32_bfd_set_private_flags): Define.
|
||||
|
|
@ -7947,7 +7958,7 @@
|
|||
* configure: Regenerate.
|
||||
* po/POTFILES.in: Regenerate.
|
||||
* po/bfd.pot: Regenerate.
|
||||
2000-11-29 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-11-29 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
* elf32-sh64.c (sh64_elf_set_mach_from_flags): Do not recognize
|
||||
anything else but EF_SH64 and EF_SH64_ABI64.
|
||||
(sh64_elf_merge_private_data): Emit error for anything else but
|
||||
|
|
@ -7957,7 +7968,7 @@
|
|||
* configure.in: Add cofflink.lo to bfd_elf32_sh64_vec and
|
||||
bfd_elf32_sh64l_vec as a temporary measure.
|
||||
* configure: Regenerate.
|
||||
2000-11-27 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-11-27 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
* cpu-sh.c (arch_info_struct): Include sh5 item
|
||||
unconditionalized.
|
||||
* config.bfd (sh64-*-elf*): Do not set targ_cflags.
|
||||
|
|
@ -7975,7 +7986,7 @@
|
|||
<global symbol>: Ditto.
|
||||
(sh_elf_set_mach_from_flags): Remove code refusing
|
||||
deleted EF_SH64_32BIT_ABI flag.
|
||||
2000-11-26 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-11-26 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
* elf32-sh.c (sh_elf_howto_table) <R_SH_IMM_LOW16_PCREL,
|
||||
R_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDHI16_PCREL,
|
||||
R_SH_IMM_HI16_PCREL, R_SH_64_PCREL>: Set pcrel_offset to true.
|
||||
|
|
@ -7984,7 +7995,7 @@
|
|||
<global symbol>: Ditto if h->other & STO_SH5_ISA32.
|
||||
* elf32-sh64.c (shmedia_prepare_reloc): Add rel->r_addend to
|
||||
relocation.
|
||||
2000-11-24 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
2000-11-24 Hans-Peter Nilsson <hpn@cygnus.com>
|
||||
* Makefile.am (BFD32_BACKENDS): Add elf32-sh64.lo.
|
||||
(BFD32_BACKENDS_CFILES): Add elf32-sh64.c.
|
||||
Regenerate dependencies.
|
||||
|
|
@ -8207,7 +8218,7 @@
|
|||
|
||||
* peXXigen.c (pe_print_idata): Rearrange message to aid in
|
||||
translation.
|
||||
(pe_print_pdata): Rearrange message to aid in translation.
|
||||
(pe_print_pdata): Rearrange message to aid in translation.
|
||||
|
||||
* libbfd.c (warn_deprecated): Rearrange error message to aid in
|
||||
translation.
|
||||
|
|
@ -8704,7 +8715,7 @@
|
|||
* ptrace-core.c (ptrace_unix_core_file_p): Likewise.
|
||||
* trad-core.c (trad_unix_core_file_p): Likewise.
|
||||
|
||||
* hppabsd-core.c (hppabsd_core_core_file_p): Clean up after errors
|
||||
* hppabsd-core.c (hppabsd_core_core_file_p): Clean up after errors
|
||||
with bfd_release and bfd_section_list_clear.
|
||||
* hpux-core.c (hpux_core_core_file_p): Likewise.
|
||||
* irix-core.c (irix_core_core_file_p): Likewise.
|
||||
|
|
|
|||
120
bfd/elf64-ppc.c
120
bfd/elf64-ppc.c
|
|
@ -2803,6 +2803,9 @@ struct ppc_link_hash_table
|
|||
bfd_vma offset;
|
||||
} tlsld_got;
|
||||
|
||||
/* Statistics. */
|
||||
unsigned long stub_count[ppc_stub_plt_call];
|
||||
|
||||
/* Set if we should emit symbols for stubs. */
|
||||
unsigned int emit_stub_syms;
|
||||
|
||||
|
|
@ -2893,6 +2896,8 @@ static bfd_boolean ppc_build_one_stub
|
|||
PARAMS ((struct bfd_hash_entry *, PTR));
|
||||
static bfd_boolean ppc_size_one_stub
|
||||
PARAMS ((struct bfd_hash_entry *, PTR));
|
||||
static int toc_adjusting_stub_needed
|
||||
PARAMS ((struct bfd_link_info *, asection *));
|
||||
static void group_sections
|
||||
PARAMS ((struct ppc_link_hash_table *, bfd_size_type, bfd_boolean));
|
||||
static bfd_boolean ppc64_elf_relocate_section
|
||||
|
|
@ -3031,7 +3036,7 @@ ppc64_elf_link_hash_table_create (abfd)
|
|||
struct ppc_link_hash_table *htab;
|
||||
bfd_size_type amt = sizeof (struct ppc_link_hash_table);
|
||||
|
||||
htab = (struct ppc_link_hash_table *) bfd_malloc (amt);
|
||||
htab = (struct ppc_link_hash_table *) bfd_zmalloc (amt);
|
||||
if (htab == NULL)
|
||||
return NULL;
|
||||
|
||||
|
|
@ -3049,41 +3054,6 @@ ppc64_elf_link_hash_table_create (abfd)
|
|||
if (!bfd_hash_table_init (&htab->branch_hash_table, branch_hash_newfunc))
|
||||
return NULL;
|
||||
|
||||
htab->stub_bfd = NULL;
|
||||
htab->add_stub_section = NULL;
|
||||
htab->layout_sections_again = NULL;
|
||||
htab->stub_group = NULL;
|
||||
htab->no_multi_toc = 0;
|
||||
htab->multi_toc_needed = 0;
|
||||
htab->toc_curr = 0;
|
||||
htab->sgot = NULL;
|
||||
htab->srelgot = NULL;
|
||||
htab->splt = NULL;
|
||||
htab->srelplt = NULL;
|
||||
htab->sdynbss = NULL;
|
||||
htab->srelbss = NULL;
|
||||
htab->sglink = NULL;
|
||||
htab->sfpr = NULL;
|
||||
htab->sbrlt = NULL;
|
||||
htab->srelbrlt = NULL;
|
||||
htab->tls_sec = NULL;
|
||||
htab->tls_get_addr = NULL;
|
||||
htab->tlsld_got.refcount = 0;
|
||||
htab->emit_stub_syms = 0;
|
||||
htab->stub_error = 0;
|
||||
htab->has_14bit_branch = 0;
|
||||
htab->have_undefweak = 0;
|
||||
htab->stub_iteration = 0;
|
||||
htab->sym_sec.abfd = NULL;
|
||||
/* Initializing two fields of the union is just cosmetic. We really
|
||||
only care about glist, but when compiled on a 32-bit host the
|
||||
bfd_vma fields are larger. Setting the bfd_vma to zero makes
|
||||
debugger inspection of these fields look nicer. */
|
||||
htab->elf.init_refcount.refcount = 0;
|
||||
htab->elf.init_refcount.glist = NULL;
|
||||
htab->elf.init_offset.offset = 0;
|
||||
htab->elf.init_offset.glist = NULL;
|
||||
|
||||
return &htab->elf.root;
|
||||
}
|
||||
|
||||
|
|
@ -6221,6 +6191,7 @@ ppc_build_one_stub (gen_entry, in_arg)
|
|||
|
||||
stub_bfd = stub_sec->owner;
|
||||
|
||||
htab->stub_count[(int) stub_entry->stub_type - 1] += 1;
|
||||
switch (stub_entry->stub_type)
|
||||
{
|
||||
case ppc_stub_long_branch:
|
||||
|
|
@ -6598,17 +6569,77 @@ ppc64_elf_reinit_toc (output_bfd, info)
|
|||
htab->toc_curr = TOC_BASE_OFF;
|
||||
}
|
||||
|
||||
/* No toc references were found in ISEC. If the code in ISEC makes no
|
||||
calls, then there's no need to use toc adjusting stubs when branching
|
||||
into ISEC. Actually, indirect calls from ISEC are OK as they will
|
||||
load r2. */
|
||||
|
||||
static int
|
||||
toc_adjusting_stub_needed (info, isec)
|
||||
struct bfd_link_info *info;
|
||||
asection *isec;
|
||||
{
|
||||
bfd_byte *contents;
|
||||
bfd_size_type i;
|
||||
int ret;
|
||||
int branch_ok;
|
||||
|
||||
/* Hack for linux kernel. .fixup contains branches, but only back to
|
||||
the function that hit an exception. */
|
||||
branch_ok = strcmp (isec->name, ".fixup") == 0;
|
||||
|
||||
contents = elf_section_data (isec)->this_hdr.contents;
|
||||
if (contents == NULL)
|
||||
{
|
||||
contents = bfd_malloc (isec->_raw_size);
|
||||
if (contents == NULL)
|
||||
return -1;
|
||||
if (! bfd_get_section_contents (isec->owner, isec, contents,
|
||||
(file_ptr) 0, isec->_raw_size))
|
||||
{
|
||||
free (contents);
|
||||
return -1;
|
||||
}
|
||||
if (info->keep_memory)
|
||||
elf_section_data (isec)->this_hdr.contents = contents;
|
||||
}
|
||||
|
||||
/* Code scan, because we don't necessarily have relocs on calls to
|
||||
static functions. */
|
||||
ret = 0;
|
||||
for (i = 0; i < isec->_raw_size; i += 4)
|
||||
{
|
||||
unsigned long insn = bfd_get_32 (isec->owner, contents + i);
|
||||
/* Is this a branch? */
|
||||
if ((insn & (0x1f << 26)) == (18 << 26)
|
||||
/* If branch and link, it's a function call. */
|
||||
&& ((insn & 1) != 0
|
||||
/* Sibling calls use a plain branch. I don't know a way
|
||||
of deciding whether a branch is really a sibling call. */
|
||||
|| !branch_ok))
|
||||
{
|
||||
ret = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (elf_section_data (isec)->this_hdr.contents != contents)
|
||||
free (contents);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* The linker repeatedly calls this function for each input section,
|
||||
in the order that input sections are linked into output sections.
|
||||
Build lists of input sections to determine groupings between which
|
||||
we may insert linker stubs. */
|
||||
|
||||
void
|
||||
bfd_boolean
|
||||
ppc64_elf_next_input_section (info, isec)
|
||||
struct bfd_link_info *info;
|
||||
asection *isec;
|
||||
{
|
||||
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
||||
int ret;
|
||||
|
||||
if ((isec->output_section->flags & SEC_CODE) != 0
|
||||
&& isec->output_section->index <= htab->top_index)
|
||||
|
|
@ -6626,13 +6657,20 @@ ppc64_elf_next_input_section (info, isec)
|
|||
to use the right TOC (obviously). Also, make sure that .opd gets
|
||||
the correct TOC value. */
|
||||
if (isec->has_gp_reloc || (isec->flags & SEC_CODE) == 0)
|
||||
if (elf_gp (isec->owner) != 0)
|
||||
htab->toc_curr = elf_gp (isec->owner);
|
||||
{
|
||||
if (elf_gp (isec->owner) != 0)
|
||||
htab->toc_curr = elf_gp (isec->owner);
|
||||
}
|
||||
else if ((ret = toc_adjusting_stub_needed (info, isec)) < 0)
|
||||
return FALSE;
|
||||
else
|
||||
isec->has_gp_reloc = ret;
|
||||
|
||||
/* Functions that don't use the TOC can belong in any TOC group.
|
||||
Use the last TOC base. This happens to make _init and _fini
|
||||
pasting work. */
|
||||
htab->stub_group[isec->id].toc_off = htab->toc_curr;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* See whether we can group stub sections together. Grouping stub
|
||||
|
|
@ -6904,7 +6942,9 @@ ppc64_elf_size_stubs (output_bfd, stub_bfd, info, group_size,
|
|||
if (sym_sec != NULL
|
||||
&& sym_sec->output_section != NULL
|
||||
&& (htab->stub_group[sym_sec->id].toc_off
|
||||
!= htab->stub_group[section->id].toc_off))
|
||||
!= htab->stub_group[section->id].toc_off)
|
||||
&& sym_sec->has_gp_reloc
|
||||
&& section->has_gp_reloc)
|
||||
stub_type = ppc_stub_long_branch_r2off;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -33,7 +33,7 @@ void ppc64_elf_next_toc_section
|
|||
PARAMS ((struct bfd_link_info *, asection *));
|
||||
void ppc64_elf_reinit_toc
|
||||
PARAMS ((bfd *, struct bfd_link_info *));
|
||||
void ppc64_elf_next_input_section
|
||||
bfd_boolean ppc64_elf_next_input_section
|
||||
PARAMS ((struct bfd_link_info *, asection *));
|
||||
bfd_boolean ppc64_elf_size_stubs
|
||||
PARAMS ((bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
|
||||
|
|
|
|||
Loading…
Reference in a new issue