1/* LTO declarations. 2 Copyright (C) 2009-2020 Free Software Foundation, Inc. 3 Contributed by CodeSourcery, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 3, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21#ifndef LTO_H 22#define LTO_H 23 24 25/* A file. */ 26struct lto_file 27{ 28 /* The name of the file. */ 29 const char *filename; 30 /* The offset for the object inside an ar archive file (or zero). */ 31 off_t offset; 32}; 33 34/* In lto-lang.c */ 35extern const char *resolution_file_name; 36 37/* In lto.c */ 38extern tree lto_eh_personality (void); 39extern void lto_main (void); 40extern void lto_read_all_file_options (void); 41 42/* In lto-elf.c or lto-coff.c */ 43extern lto_file *lto_obj_file_open (const char *filename, bool writable); 44extern void lto_obj_file_close (lto_file *file); 45struct lto_section_list; 46extern htab_t lto_obj_build_section_table (lto_file *file, struct lto_section_list *list); 47extern htab_t lto_obj_create_section_hash_table (void); 48extern void lto_obj_begin_section (const char *name); 49extern void lto_obj_append_data (const void *data, size_t len, void *block); 50extern void lto_obj_end_section (void); 51extern lto_file *lto_set_current_out_file (lto_file *file); 52extern lto_file *lto_get_current_out_file (void); 53 54extern int lto_link_dump_id, decl_merge_dump_id, partition_dump_id; 55 56/* Hash table entry to hold the start offset and length of an LTO 57 section in a .o file. */ 58struct lto_section_slot 59{ 60 const char *name; 61 intptr_t start; 62 size_t len; 63 struct lto_section_slot *next; 64}; 65 66/* A list of section slots */ 67struct lto_section_list 68{ 69 struct lto_section_slot *first, *last; 70}; 71 72extern unsigned int lto_option_lang_mask (void); 73 74#endif /* LTO_H */ 75