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/* LTO declarations.
Copyright (C) 2009-2022 Free Software Foundation, Inc.
Contributed by CodeSourcery, Inc.
This file is part of GCC.
GCC 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, or (at your option) any later
version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef LTO_H
#define LTO_H
/* A file. */
struct lto_file
{
/* The name of the file. */
const char *filename;
/* The offset for the object inside an ar archive file (or zero). */
off_t offset;
};
/* In lto-lang.cc */
extern const char *resolution_file_name;
/* In lto.cc */
extern tree lto_eh_personality (void);
extern void lto_main (void);
extern void lto_read_all_file_options (void);
/* In lto-elf.c or lto-coff.c */
extern lto_file *lto_obj_file_open (const char *filename, bool writable);
extern void lto_obj_file_close (lto_file *file);
struct lto_section_list;
extern htab_t lto_obj_build_section_table (lto_file *file, struct lto_section_list *list);
extern htab_t lto_obj_create_section_hash_table (void);
extern void lto_obj_begin_section (const char *name);
extern void lto_obj_append_data (const void *data, size_t len, void *block);
extern void lto_obj_end_section (void);
extern lto_file *lto_set_current_out_file (lto_file *file);
extern lto_file *lto_get_current_out_file (void);
extern int lto_link_dump_id, decl_merge_dump_id, partition_dump_id;
/* Hash table entry to hold the start offset and length of an LTO
section in a .o file. */
struct lto_section_slot
{
const char *name;
intptr_t start;
size_t len;
struct lto_section_slot *next;
};
/* A list of section slots */
struct lto_section_list
{
struct lto_section_slot *first, *last;
};
extern unsigned int lto_option_lang_mask (void);
#endif /* LTO_H */
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