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* coff-alpha.c (alpha_ecoff_backend_data): Initialise fields which
control long section name handling with ECOFF_NO_LONG_SECTION_NAMES.
* coff-mips.c (mips_ecoff_backend_data): Likewise.
* coff-rs6000.c (bfd_xcoff_backend_data): Initialise fields which
control long section name handling with XCOFF_NO_LONG_SECTION_NAMES.
(bfd_pmac_xcoff_backend_data): Likewise.
* coff64-rs6000.c (bfd_xcoff_backend_data): Likewise.
(bfd_xcoff_aix5_backend_data): Likewise.
(xcoff64_write_object_contents): Delete unused long_section_names
local variable.
* coff-sh.c (bfd_coff_small_swap_table): Initialise long section
name members using COFF_DEFAULT_LONG_SECTION_NAMES and make entire
struct non-const.
* coffcode.h (documentation): Update to describe long section names.
(COFFLONGSECTIONCATHELPER): New helper macro.
(BLANKOR1TOODD): Likewise.
(COFF_ENABLE_LONG_SECTION_NAMES): Likewise.
(COFF_LONG_SECTION_NAMES_SETTER): Likewise.
(COFF_DEFAULT_LONG_SECTION_NAMES): Likewise.
(bfd_coff_set_long_section_names_allowed): New function.
(bfd_coff_set_long_section_names_disallowed): Likewise.
(struct bfd_coff_backend_data): Add new backend hook function
pointer _bfd_coff_set_long_section_names.
(bfd_coff_set_long_section_names): New backend hook.
(coff_write_object_contents): Only generate long section names if
bfd_coff_long_section_names() indicates they are currently enabled.
(bfd_coff_std_swap_table): Make non-const, and initialise long
section name fields using COFF_DEFAULT_LONG_SECTION_NAMES.
(ticoff0_swap_table): Likewise to both.
(ticoff1_swap_table): Again, likewise to both.
* coffgen.c (make_a_section_from_file): Allow long section names
as inputs even if not currently allowed for outputs.
* ecoff.c (_bfd_ecoff_no_long_sections): New function.
* efi-app-ia32.c (COFF_LONG_SECTION_NAMES): Define to 0, not blank.
* efi-app-ia64.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-app-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-bsdrv-ia32.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-bsdrv-ia64.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-bsdrv-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-rtdrv-ia32.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-rtdrv-ia64.c (COFF_LONG_SECTION_NAMES): Likewise.
* efi-rtdrv-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-arm.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-i386.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-mcore.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-mips.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-ppc.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-sh.c (COFF_LONG_SECTION_NAMES): Likewise.
* pei-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise.
* libcoff-in.h: Update copyright year to cause updated copyright
year in generated libcoff.h, and fix typo.
* libcoff.h: Regenerated.
* libecoff.h (ECOFF_NO_LONG_SECTION_NAMES): New macro.
(_bfd_ecoff_no_long_sections): Add prototype.
* libxcoff.h (XCOFF_NO_LONG_SECTION_NAMES): New macro.
* pe-mips.c (COFF_LONG_SECTION_NAMES): Define empty if not already
defined by an including .c file.
* ticoff.h (ticoff0_swap_table): Make non-const, and initialise
long section name fields using COFF_DEFAULT_LONG_SECTION_NAMES.
(ticoff1_swap_table): Likewise to both.
ld/ChangeLog
* ld.texinfo: Update to mention long section name options.
* NEWS: Mention new behaviour and command-line options.
* pe-dll.c (pe_use_coff_long_section_names): New global variable.
(pe_output_file_set_long_section_names): New function.
(pe_dll_build_sections): Call it on output BFDs.
(pe_exe_build_sections): Likewise.
(pe_dll_fill_sections): Likewise.
(pe_exe_fill_sections): Likewise.
* pe-dll.h (pe_use_coff_long_section_names): Declare extern.
(pe_output_file_set_long_section_names): Add prototype.
* pep-dll.c (pe_use_coff_long_section_names): Define pep_ alias.
(pe_output_file_set_long_section_names): Likewise.
* pep-dll.h (pep_use_coff_long_section_names): Declare extern.
(pep_output_file_set_long_section_names): Add prototype.
* pe.em (OPTION_ENABLE_LONG_SECTION_NAMES): New getopt value macro.
(OPTION_DISABLE_LONG_SECTION_NAMES): Likewise.
(gld${EMULATION_NAME}_add_options): Add new options to xtra_long[].
(gld_${EMULATION_NAME}_list_options): Describe them.
(gld${EMULATION_NAME}_handle_option): Set or clear global
pe_use_coff_long_section_names flag when options recognised.
(gld_${EMULATION_NAME}_after_open): En/disable long section names
for main output bfd by calling pe_output_file_set_long_section_names.
* pep.em (enum options): Extend enum with new getopt option values.
(gld${EMULATION_NAME}_add_options): Add new options to xtra_long[].
(gld_${EMULATION_NAME}_list_options): Describe them.
(gld${EMULATION_NAME}_handle_option): Set or clear global
pe_use_coff_long_section_names flag when options recognised.
(gld_${EMULATION_NAME}_after_open): En/disable long section names
for main output bfd by calling pep_output_file_set_long_section_names.
ld/testsuite/ChangeLog
* ld-pe/longsecn-1.d: New test file.
* ld-pe/longsecn-2.d: Likewise.
* ld-pe/longsecn-3.d: Likewise.
* ld-pe/longsecn-4.d: Likewise.
* ld-pe/longsecn-5.d: Likewise.
* ld-pe/longsecn.d: Likewise.
* ld-pe/longsecn.exp: New test control script.
* ld-pe/longsecn.s: New test source file.
239 lines
9.2 KiB
C
239 lines
9.2 KiB
C
/* BFD XCOFF object file private structure.
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Copyright 2001, 2002, 2005, 2007 Free Software Foundation, Inc.
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Written by Tom Rix, Redhat.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef LIBXCOFF_H
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#define LIBXCOFF_H
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/* This is the backend information kept for XCOFF files. This
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structure is constant for a particular backend. The first element
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is the COFF backend data structure, so that XCOFF targets can use
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the generic COFF code. */
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struct xcoff_backend_data_rec
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{
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/* COFF backend information. */
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bfd_coff_backend_data coff;
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/* Magic number. */
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unsigned short _xcoff_magic_number;
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/* Architecture and machine for coff_set_arch_mach_hook. */
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enum bfd_architecture _xcoff_architecture;
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long _xcoff_machine;
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/* Function pointers to xcoff specific swap routines. */
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void (* _xcoff_swap_ldhdr_in) (bfd *, const void *, struct internal_ldhdr *);
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void (* _xcoff_swap_ldhdr_out)(bfd *, const struct internal_ldhdr *, void *);
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void (* _xcoff_swap_ldsym_in) (bfd *, const void *, struct internal_ldsym *);
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void (* _xcoff_swap_ldsym_out)(bfd *, const struct internal_ldsym *, void *);
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void (* _xcoff_swap_ldrel_in) (bfd *, const void *, struct internal_ldrel *);
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void (* _xcoff_swap_ldrel_out)(bfd *, const struct internal_ldrel *, void *);
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/* Size of the external struct. */
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unsigned int _xcoff_ldhdrsz;
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unsigned int _xcoff_ldsymsz;
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unsigned int _xcoff_ldrelsz;
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/* Size an entry in a descriptor section. */
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unsigned int _xcoff_function_descriptor_size;
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/* Size of the small aout file header. */
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unsigned int _xcoff_small_aout_header_size;
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/* Loader version
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1 : XCOFF32
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2 : XCOFF64. */
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unsigned long _xcoff_ldhdr_version;
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bfd_boolean (* _xcoff_put_symbol_name)
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(bfd *, struct bfd_strtab_hash *, struct internal_syment *,
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const char *);
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bfd_boolean (* _xcoff_put_ldsymbol_name)
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(bfd *, struct xcoff_loader_info *, struct internal_ldsym *,
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const char *);
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reloc_howto_type *_xcoff_dynamic_reloc;
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asection * (* _xcoff_create_csect_from_smclas)
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(bfd *, union internal_auxent *, const char *);
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/* Line number and relocation overflow.
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XCOFF32 overflows to another section when the line number or the
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relocation count exceeds 0xffff. XCOFF64 does not overflow. */
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bfd_boolean (*_xcoff_is_lineno_count_overflow) (bfd *, bfd_vma);
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bfd_boolean (*_xcoff_is_reloc_count_overflow) (bfd *, bfd_vma);
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/* Loader section symbol and relocation table offset
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XCOFF32 is after the .loader header
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XCOFF64 is offset in .loader header. */
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bfd_vma (*_xcoff_loader_symbol_offset) (bfd *, struct internal_ldhdr *);
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bfd_vma (*_xcoff_loader_reloc_offset) (bfd *, struct internal_ldhdr *);
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/* Global linkage. The first word of global linkage code must be be
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modified by filling in the correct TOC offset. */
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unsigned long *_xcoff_glink_code;
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/* Size of the global link code in bytes of the xcoff_glink_code table. */
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unsigned long _xcoff_glink_size;
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/* rtinit. */
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unsigned int _xcoff_rtinit_size;
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bfd_boolean (*_xcoff_generate_rtinit)
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(bfd *, const char *, const char *, bfd_boolean);
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};
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/* Look up an entry in an XCOFF link hash table. */
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#define xcoff_link_hash_lookup(table, string, create, copy, follow) \
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((struct xcoff_link_hash_entry *) \
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bfd_link_hash_lookup (&(table)->root, (string), (create), (copy),\
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(follow)))
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/* Traverse an XCOFF link hash table. */
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#define xcoff_link_hash_traverse(table, func, info) \
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(bfd_link_hash_traverse \
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(&(table)->root, \
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(bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
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(info)))
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/* Get the XCOFF link hash table from the info structure. This is
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just a cast. */
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#define xcoff_hash_table(p) ((struct xcoff_link_hash_table *) ((p)->hash))
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#define xcoff_backend(abfd) \
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((struct xcoff_backend_data_rec *) (abfd)->xvec->backend_data)
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#define bfd_xcoff_magic_number(a) ((xcoff_backend (a)->_xcoff_magic_number))
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#define bfd_xcoff_architecture(a) ((xcoff_backend (a)->_xcoff_architecture))
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#define bfd_xcoff_machine(a) ((xcoff_backend (a)->_xcoff_machine))
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#define bfd_xcoff_swap_ldhdr_in(a, b, c) \
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((xcoff_backend (a)->_xcoff_swap_ldhdr_in) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldhdr_out(a, b, c) \
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((xcoff_backend (a)->_xcoff_swap_ldhdr_out) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldsym_in(a, b, c) \
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((xcoff_backend (a)->_xcoff_swap_ldsym_in) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldsym_out(a, b, c) \
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((xcoff_backend (a)->_xcoff_swap_ldsym_out) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldrel_in(a, b, c) \
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((xcoff_backend (a)->_xcoff_swap_ldrel_in) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldrel_out(a, b, c) \
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((xcoff_backend (a)->_xcoff_swap_ldrel_out) ((a), (b), (c)))
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#define bfd_xcoff_ldhdrsz(a) ((xcoff_backend (a)->_xcoff_ldhdrsz))
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#define bfd_xcoff_ldsymsz(a) ((xcoff_backend (a)->_xcoff_ldsymsz))
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#define bfd_xcoff_ldrelsz(a) ((xcoff_backend (a)->_xcoff_ldrelsz))
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#define bfd_xcoff_function_descriptor_size(a) \
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((xcoff_backend (a)->_xcoff_function_descriptor_size))
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#define bfd_xcoff_small_aout_header_size(a) \
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((xcoff_backend (a)->_xcoff_small_aout_header_size))
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#define bfd_xcoff_ldhdr_version(a) ((xcoff_backend (a)->_xcoff_ldhdr_version))
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#define bfd_xcoff_put_symbol_name(a, b, c, d) \
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((xcoff_backend (a)->_xcoff_put_symbol_name) ((a), (b), (c), (d)))
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#define bfd_xcoff_put_ldsymbol_name(a, b, c, d) \
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((xcoff_backend (a)->_xcoff_put_ldsymbol_name) ((a), (b), (c), (d)))
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/* Get the XCOFF hash table entries for a BFD. */
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#define obj_xcoff_sym_hashes(bfd) \
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((struct xcoff_link_hash_entry **) obj_coff_sym_hashes (bfd))
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#define bfd_xcoff_dynamic_reloc_howto(a) \
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((xcoff_backend (a)->_xcoff_dynamic_reloc))
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#define bfd_xcoff_create_csect_from_smclas(a, b, c) \
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((xcoff_backend (a)->_xcoff_create_csect_from_smclas((a), (b), (c))))
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#define bfd_xcoff_is_lineno_count_overflow(a, b) \
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((xcoff_backend (a)->_xcoff_is_lineno_count_overflow((a), (b))))
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#define bfd_xcoff_is_reloc_count_overflow(a, b) \
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((xcoff_backend (a)->_xcoff_is_reloc_count_overflow((a), (b))))
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#define bfd_xcoff_loader_symbol_offset(a, b) \
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((xcoff_backend (a)->_xcoff_loader_symbol_offset((a), (b))))
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#define bfd_xcoff_loader_reloc_offset(a, b) \
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((xcoff_backend (a)->_xcoff_loader_reloc_offset((a), (b))))
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#define bfd_xcoff_glink_code(a, b) ((xcoff_backend (a)->_xcoff_glink_code[(b)]))
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#define bfd_xcoff_glink_code_size(a) ((xcoff_backend (a)->_xcoff_glink_size))
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/* Check for the magic number U803XTOCMAGIC or U64_TOCMAGIC for 64 bit
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targets. */
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#define bfd_xcoff_is_xcoff64(a) \
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( (0x01EF == (bfd_xcoff_magic_number (a))) \
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|| (0x01F7 == (bfd_xcoff_magic_number (a))))
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/* Check for the magic number U802TOMAGIC for 32 bit targets. */
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#define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number (a)))
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#define bfd_xcoff_rtinit_size(a) ((xcoff_backend (a)->_xcoff_rtinit_size))
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#define bfd_xcoff_generate_rtinit(a, b, c, d) ((xcoff_backend (a)->_xcoff_generate_rtinit ((a), (b), (c), (d))))
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/* Accessor macros for tdata. */
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#define bfd_xcoff_text_align_power(a) ((xcoff_data (a)->text_align_power))
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#define bfd_xcoff_data_align_power(a) ((xcoff_data (a)->data_align_power))
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/* xcoff*_ppc_relocate_section macros */
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#define XCOFF_MAX_CALCULATE_RELOCATION (0x1c)
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#define XCOFF_MAX_COMPLAIN_OVERFLOW (4)
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/* N_ONES produces N one bits, without overflowing machine arithmetic. */
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#ifdef N_ONES
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#undef N_ONES
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#endif
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#define N_ONES(n) (((((bfd_vma) 1 << ((n) - 1)) - 1) << 1) | 1)
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#define XCOFF_RELOC_FUNCTION_ARGS \
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bfd *, asection *, bfd *, struct internal_reloc *, \
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struct internal_syment *, struct reloc_howto_struct *, bfd_vma, bfd_vma, \
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bfd_vma *relocation, bfd_byte *contents
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#define XCOFF_COMPLAIN_FUNCTION_ARGS \
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bfd *, bfd_vma, bfd_vma, struct reloc_howto_struct *howto
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extern bfd_boolean (*xcoff_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION])
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(XCOFF_RELOC_FUNCTION_ARGS);
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extern bfd_boolean (*xcoff_complain_overflow[XCOFF_MAX_COMPLAIN_OVERFLOW])
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(XCOFF_COMPLAIN_FUNCTION_ARGS);
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#define XCOFF_NO_LONG_SECTION_NAMES (FALSE), bfd_coff_set_long_section_names_disallowed
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/* Relocation functions */
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bfd_boolean xcoff_reloc_type_noop (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_fail (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_pos (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_neg (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_rel (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_toc (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_ba (XCOFF_RELOC_FUNCTION_ARGS);
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bfd_boolean xcoff_reloc_type_crel (XCOFF_RELOC_FUNCTION_ARGS);
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#endif /* LIBXCOFF_H */
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