cdd1e06de931c2f86d811e81852ffe40934f7682
[gcc.git] / gcc / lto / lto.h
1 /* LTO declarations.
2 Copyright 2009 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 } lto_file;
32
33 /* In lto-lang.c */
34 extern const char *resolution_file_name;
35
36 /* In lto.c */
37 extern void lto_main (int);
38 extern void lto_read_all_file_options (void);
39
40 /* In lto-elf.c */
41 extern lto_file *lto_elf_file_open (const char *filename, bool writable);
42 extern void lto_elf_file_close (lto_file *file);
43 extern htab_t lto_elf_build_section_table (lto_file *file);
44 extern void lto_elf_begin_section (const char *name);
45 extern void lto_elf_append_data (const void *data, size_t len, void *block);
46 extern void lto_elf_end_section (void);
47 extern lto_file *lto_set_current_out_file (lto_file *file);
48 extern lto_file *lto_get_current_out_file (void);
49
50 /* Hash table entry to hold the start offset and length of an LTO
51 section in a .o file. */
52 struct lto_section_slot
53 {
54 const char *name;
55 intptr_t start;
56 size_t len;
57 };
58
59
60 #endif /* LTO_H */