1 /* LTO declarations. 2 Copyright 2009, 2010 Free Software Foundation, Inc. 3 Contributed by CodeSourcery, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along 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 #include "hashtab.h" 25 26 /* A file. */ 27 typedef struct lto_file_struct 28 { 29 /* The name of the file. */ 30 const char *filename; 31 /* The offset for the object inside an ar archive file (or zero). */ 32 off_t offset; 33 } lto_file; 34 35 /* In lto-lang.c */ 36 extern const char *resolution_file_name; 37 38 /* In lto.c */ 39 extern tree lto_eh_personality (void); 40 extern void lto_main (void); 41 extern void lto_read_all_file_options (void); 42 43 /* In lto-elf.c or lto-coff.c */ 44 extern lto_file *lto_obj_file_open (const char *filename, bool writable); 45 extern void lto_obj_file_close (lto_file *file); 46 struct lto_section_list; 47 extern htab_t lto_obj_build_section_table (lto_file *file, struct lto_section_list *list); 48 extern htab_t lto_obj_create_section_hash_table (void); 49 extern void lto_obj_begin_section (const char *name); 50 extern void lto_obj_append_data (const void *data, size_t len, void *block); 51 extern void lto_obj_end_section (void); 52 extern lto_file *lto_set_current_out_file (lto_file *file); 53 extern lto_file *lto_get_current_out_file (void); 54 55 /* Hash table entry to hold the start offset and length of an LTO 56 section in a .o file. */ 57 struct lto_section_slot 58 { 59 const char *name; 60 intptr_t start; 61 size_t len; 62 struct lto_section_slot *next; 63 }; 64 65 /* A list of section slots */ 66 struct lto_section_list 67 { 68 struct lto_section_slot *first, *last; 69 }; 70 71 #endif /* LTO_H */ 72