binutils-gdb/bfd/xcofflink.h
Cl?ment Chigot 2d23f9656c xcoff: implement linker relaxation
bfd/ChangeLog:

	* coff-rs6000.c (xcoff_reloc_type_noop): Add info argument.
	(xcoff_reloc_type_fail): Likewise.
	(xcoff_reloc_type_pos): Likewise.
	(xcoff_reloc_type_neg): Likewise.
	(xcoff_reloc_type_rel): Likewise.
	(xcoff_reloc_type_toc): Likewise.
	(xcoff_reloc_type_ba): Likewise.
	(xcoff_reloc_type_crel): Likewise.
	(xcoff_reloc_type_tls): Likewise.
	(xcoff_reloc_type_br): Add stub handler.
	(xcoff_ppc_relocate_section): Add info to
	xcoff_calculate_relocation.
	(xcoff_stub_indirect_call_code): New constant.
	(xcoff_stub_shared_call_code): Likewise.
	(bfd_xcoff_backend_data): Add stub code fields.
	(bfd_pmac_xcoff_backend_data): Likewise.
	* coff64-rs6000.c (xcoff64_reloc_type_br): Add stub handler.
	(xcoff64_ppc_relocate_section): Add info to
	xcoff64_calculate_relocation.
	(xcoff64_stub_indirect_call_code): New constant.
	(xcoff64_stub_shared_call_code): Likewise.
	(bfd_xcoff_backend_data): Add stub code fields.
	(bfd_xcoff_aix5_backend_data): Likewise.
	* libxcoff.h (struct xcoff_backend_data_rec): Add stub fields.
	(bfd_xcoff_stub_indirect_call_code): New define.
	(bfd_xcoff_stub_indirect_call_size): New define.
	(bfd_xcoff_stub_shared_call_code): New define.
	(bfd_xcoff_stub_shared_call_size): New define.
	(xcoff_reloc_function): Add info argument.
	(enum xcoff_stub_type): New enum.
	(struct xcoff_stub_hash_entry): New structure.
	* xcofflink.c (struct xcoff_link_hash_table): Add stub hash
	table and params fields.
	(xcoff_stub_hash_entry): New define.
	(xcoff_stub_hash_lookup): New define.
	(stub_hash_newfunc): New function.
	(_bfd_xcoff_bfd_link_hash_table_free): Free the new stub hash
	table.
	(_bfd_xcoff_bfd_link_hash_table_create): Create the new stub
	hash table.
	(xcoff_link_add_symbols): Save rawsize for XTY_SD.
	(bfd_xcoff_link_init): New function.
	(xcoff_stub_csect_name): New function.
	(xcoff_stub_get_csect_in_range): New function.
	(xcoff_stub_name): New function.
	(bfd_xcoff_get_stub_entry): New function.
	(bfd_xcoff_type_of_stub): New function.
	(xcoff_add_stub): New function.
	(xcoff_build_one_stub): New function.
	(bfd_xcoff_size_stubs): New function.
	(bfd_xcoff_build_stubs): New function.
	(xcoff_stub_create_relocations): New function.
	(xcoff_link_input_bfd): Adapt relocations to stub.
	(xcoff_write_global_symbol): Adapt to new TOC entries generated
	for stubs.
	(_bfd_xcoff_bfd_final_link): Handle stub file.
	* xcofflink.h (struct bfd_xcoff_link_params): New structure.

ld/ChangeLog:

	* emultempl/aix.em (params): New variable.
	(stub_file): New variable.
	(xcoff_add_stub_section): New function.
	(xcoff_layout_sections_again): New function
	(hook_in_stub): New function.
	(_after_allocation): Add stub creation.
	(_create_output_section_statements): Allocate stub file and
	pass params to backend.
2022-04-20 15:11:47 +01:00

61 lines
2.5 KiB
C

/* POWER/PowerPC XCOFF linker support.
Copyright (C) 2019-2022 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* Used to pass info between ld and bfd. */
struct bfd_xcoff_link_params
{
/* Linker stub bfd. */
bfd *stub_bfd;
/* Linker call-backs. */
asection * (*add_stub_section) (const char *, asection *);
void (*layout_sections_again) (void);
};
extern bool bfd_xcoff_split_import_path
(bfd *, const char *, const char **, const char **);
extern bool bfd_xcoff_set_archive_import_path
(struct bfd_link_info *, bfd *, const char *);
extern bool bfd_xcoff_link_record_set
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
extern bool bfd_xcoff_import_symbol
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
const char *, const char *, const char *, unsigned int);
extern bool bfd_xcoff_export_symbol
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
extern bool bfd_xcoff_link_count_reloc
(bfd *, struct bfd_link_info *, const char *);
extern bool bfd_xcoff_record_link_assignment
(bfd *, struct bfd_link_info *, const char *);
extern bool bfd_xcoff_size_dynamic_sections
(bfd *, struct bfd_link_info *, const char *, const char *,
unsigned long, unsigned long, unsigned long, bool,
int, bool, unsigned int, struct bfd_section **, bool);
extern bool bfd_xcoff_build_dynamic_sections
(bfd *, struct bfd_link_info *);
extern bool bfd_xcoff_link_generate_rtinit
(bfd *, const char *, const char *, bool);
extern bool bfd_xcoff_link_init
(struct bfd_link_info *, struct bfd_xcoff_link_params *);
extern bool bfd_xcoff_size_stubs
(struct bfd_link_info *info);
extern bool bfd_xcoff_build_stubs
(struct bfd_link_info *info);