| 1 | /* LTO declarations. |
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| 2 | Copyright (C) 2009-2023 Free Software Foundation, Inc. |
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| 3 | Contributed by CodeSourcery, Inc. |
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| 4 | |
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| 5 | This file is part of GCC. |
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| 6 | |
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| 7 | GCC is free software; you can redistribute it and/or modify it under |
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| 8 | the terms of the GNU General Public License as published by the Free |
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| 9 | Software Foundation; either version 3, or (at your option) any later |
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| 10 | version. |
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| 11 | |
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| 12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 15 | for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with GCC; see the file COPYING3. If not see |
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| 19 | <http://www.gnu.org/licenses/>. */ |
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| 20 | |
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| 21 | #ifndef LTO_H |
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| 22 | #define LTO_H |
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| 23 | |
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| 24 | |
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| 25 | /* A file. */ |
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| 26 | struct lto_file |
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| 27 | { |
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| 28 | /* The name of the file. */ |
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| 29 | const char *filename; |
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| 30 | /* The offset for the object inside an ar archive file (or zero). */ |
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| 31 | off_t offset; |
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| 32 | }; |
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| 33 | |
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| 34 | /* In lto-lang.cc */ |
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| 35 | extern const char *resolution_file_name; |
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| 36 | |
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| 37 | /* In lto.cc */ |
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| 38 | extern tree lto_eh_personality (void); |
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| 39 | extern void lto_main (void); |
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| 40 | extern void lto_read_all_file_options (void); |
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| 41 | |
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| 42 | /* In lto-elf.c or lto-coff.c */ |
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| 43 | extern lto_file *lto_obj_file_open (const char *filename, bool writable); |
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| 44 | extern void lto_obj_file_close (lto_file *file); |
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| 45 | struct lto_section_list; |
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| 46 | extern htab_t lto_obj_build_section_table (lto_file *file, struct lto_section_list *list); |
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| 47 | extern htab_t lto_obj_create_section_hash_table (void); |
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| 48 | extern void lto_obj_begin_section (const char *name); |
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| 49 | extern void lto_obj_append_data (const void *data, size_t len, void *block); |
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| 50 | extern void lto_obj_end_section (void); |
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| 51 | extern lto_file *lto_set_current_out_file (lto_file *file); |
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| 52 | extern lto_file *lto_get_current_out_file (void); |
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| 53 | |
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| 54 | extern int lto_link_dump_id, decl_merge_dump_id, partition_dump_id; |
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| 55 | |
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| 56 | /* Hash table entry to hold the start offset and length of an LTO |
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| 57 | section in a .o file. */ |
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| 58 | struct lto_section_slot |
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| 59 | { |
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| 60 | const char *name; |
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| 61 | intptr_t start; |
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| 62 | size_t len; |
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| 63 | struct lto_section_slot *next; |
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| 64 | }; |
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| 65 | |
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| 66 | /* A list of section slots */ |
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| 67 | struct lto_section_list |
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| 68 | { |
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| 69 | struct lto_section_slot *first, *last; |
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| 70 | }; |
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| 71 | |
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| 72 | extern unsigned int lto_option_lang_mask (void); |
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| 73 | |
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| 74 | #endif /* LTO_H */ |
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| 75 | |
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