85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* Common declarations for LTO plugin for gold and/or GNU ld.
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Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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Contributed by Rafael Avila de Espindola (espindola@google.com).
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include <stdbool.h>
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#include "plugin-api.h"
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/* LTO magic section name. */
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#define LTO_SECTION_PREFIX ".gnu.lto_.symtab"
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/* The part of the symbol table the plugin has to keep track of. Note that we
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must keep SYMS until all_symbols_read is called to give the linker time to
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copy the symbol information. */
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struct sym_aux
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{
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uint32_t slot;
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unsigned id;
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unsigned next_conflict;
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};
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struct plugin_symtab
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{
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int nsyms;
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struct sym_aux *aux;
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struct ld_plugin_symbol *syms;
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unsigned id;
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};
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/* All that we have to remember about a file. */
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struct plugin_file_info
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{
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char *name;
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void *handle;
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struct plugin_symtab symtab;
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struct plugin_symtab conflicts;
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};
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/* These are the methods supplied by one of the object format
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dependent files lto-plugin-elf.c or lto-plugin-coff.c */
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extern enum ld_plugin_status claim_file_handler
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(const struct ld_plugin_input_file *file, int *claimed);
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extern enum ld_plugin_status onload_format_checks (struct ld_plugin_tv *tv);
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/* These methods are made available to the object format
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dependent files. */
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extern void check (bool gate, enum ld_plugin_level level, const char *text);
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extern void translate (char *data, char *end, struct plugin_symtab *out);
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extern char *parse_table_entry (char *p, struct ld_plugin_symbol *entry,
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struct sym_aux *aux);
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extern void resolve_conflicts (struct plugin_symtab *t,
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struct plugin_symtab *conflicts);
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/* And this callback function is exposed. */
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extern ld_plugin_add_symbols add_symbols;
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/* Along with these two variables. */
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extern struct plugin_file_info *claimed_files;
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extern unsigned int num_claimed_files;
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