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binutils-gdb/ld/ldlex.h
Roland McGrath f37b21b481 PR 22843: ld, gold: Add --dependency-file option. 
gold/
	* options.h (class General_options): Add --dependency-file option.
	* fileread.cc (File_read::files_read): New static variable.
	(File_read::open): Add the file to the files_read list.
	(File_read::record_file_read): New static member function.
	(File_read::write_dependency_file): New static member function.
	* fileread.h (class File_read): Declare them.
	* layout.cc (Layout::read_layout_from_file): Call record_file_read.
	(Close_task_runner::run): Call write_dependency_file if
	--dependency-file was passed.

ld/
	* NEWS: Note --dependency-file.
	* ld.texi (Options): Document --dependency-file.
	* ldlex.h (enum option_values): Add OPTION_DEPENDENCY_FILE.
	* ld.h (ld_config_type): New member dependency_file.
	* lexsup.c (ld_options, parse_args): Parse --dependency-file.
	* ldmain.c (struct dependency_file): New type.
	(dependency_files, dependency_files_tail): New static variables.
	(track_dependency_files): New function.
	(write_dependency_file): New function.
	(main): Call it when --dependency-file was passed.
	* ldfile.c (ldfile_try_open_bfd): Call track_dependency_files.
	(ldfile_open_command_file_1): Likewise.
	* ldelf.c (ldelf_try_needed): Likewise.
	* pe-dll.c (pe_implied_import_dll): Likewise.
2020-06-23 12:01:24 -07:00

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/* ldlex.h -
Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef LDLEX_H
#define LDLEX_H
#include <stdio.h>
/* Codes used for the long options with no short synonyms. 150 isn't
special; it's just an arbitrary non-ASCII char value. */
enum option_values
{
OPTION_ASSERT = 150,
OPTION_CALL_SHARED,
OPTION_CREF,
OPTION_DEFSYM,
OPTION_DEMANGLE,
OPTION_DYNAMIC_LINKER,
OPTION_NO_DYNAMIC_LINKER,
OPTION_SYSROOT,
OPTION_OUT_IMPLIB,
OPTION_EB,
OPTION_EL,
OPTION_EMBEDDED_RELOCS,
OPTION_EXPORT_DYNAMIC,
OPTION_NO_EXPORT_DYNAMIC,
OPTION_HELP,
OPTION_IGNORE,
OPTION_MAP,
OPTION_NO_DEMANGLE,
OPTION_NO_KEEP_MEMORY,
OPTION_NO_WARN_MISMATCH,
OPTION_NO_WARN_SEARCH_MISMATCH,
OPTION_NOINHIBIT_EXEC,
OPTION_NON_SHARED,
OPTION_NO_WHOLE_ARCHIVE,
OPTION_OFORMAT,
OPTION_RELAX,
OPTION_NO_RELAX,
OPTION_RETAIN_SYMBOLS_FILE,
OPTION_RPATH,
OPTION_RPATH_LINK,
OPTION_SHARED,
OPTION_SONAME,
OPTION_SORT_COMMON,
OPTION_SORT_SECTION,
OPTION_STATS,
OPTION_SYMBOLIC,
OPTION_SYMBOLIC_FUNCTIONS,
OPTION_TASK_LINK,
OPTION_TBSS,
OPTION_TDATA,
OPTION_TTEXT,
OPTION_TTEXT_SEGMENT,
OPTION_TRODATA_SEGMENT,
OPTION_TLDATA_SEGMENT,
OPTION_TRADITIONAL_FORMAT,
OPTION_UR,
OPTION_VERBOSE,
OPTION_VERSION,
OPTION_VERSION_SCRIPT,
OPTION_VERSION_EXPORTS_SECTION,
OPTION_DYNAMIC_LIST,
OPTION_DYNAMIC_LIST_CPP_NEW,
OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
OPTION_DYNAMIC_LIST_DATA,
OPTION_EXPORT_DYNAMIC_SYMBOL,
OPTION_EXPORT_DYNAMIC_SYMBOL_LIST,
OPTION_WARN_COMMON,
OPTION_WARN_CONSTRUCTORS,
OPTION_WARN_FATAL,
OPTION_NO_WARN_FATAL,
OPTION_WARN_MULTIPLE_GP,
OPTION_WARN_ONCE,
OPTION_WARN_SECTION_ALIGN,
OPTION_SPLIT_BY_RELOC,
OPTION_SPLIT_BY_FILE ,
OPTION_WHOLE_ARCHIVE,
OPTION_ADD_DT_NEEDED_FOR_DYNAMIC,
OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC,
OPTION_ADD_DT_NEEDED_FOR_REGULAR,
OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR,
OPTION_WRAP,
OPTION_FORCE_EXE_SUFFIX,
OPTION_GC_SECTIONS,
OPTION_NO_GC_SECTIONS,
OPTION_PRINT_GC_SECTIONS,
OPTION_NO_PRINT_GC_SECTIONS,
OPTION_GC_KEEP_EXPORTED,
OPTION_HASH_SIZE,
OPTION_CHECK_SECTIONS,
OPTION_NO_CHECK_SECTIONS,
OPTION_NO_UNDEFINED,
OPTION_INIT,
OPTION_FINI,
OPTION_SECTION_START,
OPTION_UNIQUE,
OPTION_TARGET_HELP,
OPTION_ALLOW_SHLIB_UNDEFINED,
OPTION_NO_ALLOW_SHLIB_UNDEFINED,
OPTION_ALLOW_MULTIPLE_DEFINITION,
OPTION_NO_UNDEFINED_VERSION,
OPTION_DEFAULT_SYMVER,
OPTION_DEFAULT_IMPORTED_SYMVER,
OPTION_DISCARD_NONE,
OPTION_SPARE_DYNAMIC_TAGS,
OPTION_NO_DEFINE_COMMON,
OPTION_NOSTDLIB,
OPTION_NO_OMAGIC,
OPTION_STRIP_DISCARDED,
OPTION_NO_STRIP_DISCARDED,
OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
OPTION_PIE,
OPTION_UNRESOLVED_SYMBOLS,
OPTION_WARN_UNRESOLVED_SYMBOLS,
OPTION_ERROR_UNRESOLVED_SYMBOLS,
OPTION_WARN_TEXTREL,
OPTION_WARN_ALTERNATE_EM,
OPTION_REDUCE_MEMORY_OVERHEADS,
#if BFD_SUPPORTS_PLUGINS
OPTION_PLUGIN,
OPTION_PLUGIN_OPT,
#endif /* BFD_SUPPORTS_PLUGINS */
OPTION_DEFAULT_SCRIPT,
OPTION_PRINT_OUTPUT_FORMAT,
OPTION_PRINT_SYSROOT,
OPTION_IGNORE_UNRESOLVED_SYMBOL,
OPTION_PUSH_STATE,
OPTION_POP_STATE,
OPTION_DISABLE_MULTIPLE_DEFS_ABS,
OPTION_PRINT_MEMORY_USAGE,
OPTION_REQUIRE_DEFINED_SYMBOL,
OPTION_ORPHAN_HANDLING,
OPTION_FORCE_GROUP_ALLOCATION,
OPTION_PRINT_MAP_DISCARDED,
OPTION_NO_PRINT_MAP_DISCARDED,
OPTION_NON_CONTIGUOUS_REGIONS,
OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS,
OPTION_DEPENDENCY_FILE,
};
/* The initial parser states. */
typedef enum input_enum {
input_selected, /* We've set the initial state. */
input_script,
input_mri_script,
input_version_script,
input_dynamic_list,
input_defsym
} input_type;
extern input_type parser_input;
extern unsigned int lineno;
extern const char *lex_string;
/* In ldlex.l. */
extern int yylex (void);
extern void lex_push_file (FILE *, const char *, unsigned int);
extern void lex_redirect (const char *, const char *, unsigned int);
extern void ldlex_script (void);
extern void ldlex_inputlist (void);
extern void ldlex_mri_script (void);
extern void ldlex_version_script (void);
extern void ldlex_version_file (void);
extern void ldlex_defsym (void);
extern void ldlex_expression (void);
extern void ldlex_both (void);
extern void ldlex_popstate (void);
extern const char* ldlex_filename (void);
/* In lexsup.c. */
extern int lex_input (void);
extern void lex_unput (int);
extern void parse_args (unsigned, char **);
#endif
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