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/* ld.h -- general linker header file
Copyright (C) 1991-2023 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
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 LD_H
#define LD_H
#ifndef SEEK_CUR
#define SEEK_CUR 1
#ifndef SEEK_END
#define SEEK_END 2
#ifndef ENABLE_NLS
/* The Solaris version of locale.h always includes libintl.h. If we have
been configured with --disable-nls then ENABLE_NLS will not be defined
and the dummy definitions of bindtextdomain (et al) below will conflict
with the defintions in libintl.h. So we define these values to prevent
the bogus inclusion of libintl.h. */
# define _LIBINTL_H
# define _LIBGETTEXT_H
#include <locale.h>
# include <libintl.h>
# define _(String) gettext (String)
# ifdef gettext_noop
# define N_(String) gettext_noop (String)
# else
# define N_(String) (String)
# endif
# define gettext(Msgid) (Msgid)
# define dgettext(Domainname, Msgid) (Msgid)
# define dcgettext(Domainname, Msgid, Category) (Msgid)
# define ngettext(Msgid1, Msgid2, n) \
(n == 1 ? Msgid1 : Msgid2)
# define dngettext(Domainname, Msgid1, Msgid2, n) \
(n == 1 ? Msgid1 : Msgid2)
# define dcngettext(Domainname, Msgid1, Msgid2, n, Category) \
(n == 1 ? Msgid1 : Msgid2)
# define textdomain(Domainname) do {} while (0)
# define bindtextdomain(Domainname, Dirname) do {} while (0)
# define _(String) (String)
# define N_(String) (String)
/* Look in this environment name for the linker to pretend to be */
/* If in there look for the strings: */
/* Look in this variable for a target format */
/* Input sections which are put in a section of this name are actually
discarded. */
/* A file name list. */
typedef struct name_list
const char *name;
struct name_list *next;
typedef enum {sort_none, sort_ascending, sort_descending} sort_order;
/* A wildcard specification. */
typedef enum
none, by_name, by_alignment, by_name_alignment, by_alignment_name,
by_none, by_init_priority
} sort_type;
extern sort_type sort_section;
struct wildcard_spec
const char * name;
struct name_list * exclude_name_list;
struct flag_info * section_flag_list;
size_t namelen;
size_t prefixlen;
size_t suffixlen;
sort_type sorted;
bool reversed;
struct wildcard_list
struct wildcard_list *next;
struct wildcard_spec spec;
#define BYTE_SIZE (1)
#define SHORT_SIZE (2)
#define LONG_SIZE (4)
#define QUAD_SIZE (8)
enum endian_enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE };
typedef struct
/* 1 => assign space to common symbols even if `relocatable_output'. */
bool force_common_definition;
/* If TRUE, build MIPS embedded PIC relocation tables in the output
file. */
bool embedded_relocs;
/* If TRUE, force generation of a file with a .exe file. */
bool force_exe_suffix;
/* If TRUE, generate a cross reference report. */
bool cref;
/* If TRUE (which is the default), warn about mismatched input
files. */
bool warn_mismatch;
/* Warn on attempting to open an incompatible library during a library
search. */
bool warn_search_mismatch;
/* If non-zero check section addresses, once computed,
for overlaps. Relocatable links only check when this is > 0. */
signed char check_section_addresses;
/* If TRUE allow the linking of input files in an unknown architecture
assuming that the user knows what they are doing. This was the old
behaviour of the linker. The new default behaviour is to reject such
input files. */
bool accept_unknown_input_arch;
/* Name of the import library to generate. */
char *out_implib_filename;
/* If TRUE we'll just print the default output on stdout. */
bool print_output_format;
/* If set, display the target memory usage (per memory region). */
bool print_memory_usage;
/* Should we force section groups to be resolved? Controlled with
--force-group-allocation on the command line or FORCE_GROUP_ALLOCATION
in the linker script. */
bool force_group_allocation;
/* Big or little endian as set on command line. */
enum endian_enum endian;
/* Name of runtime interpreter to invoke. */
char *interpreter;
/* Name to give runtime library from the -soname argument. */
char *soname;
/* Runtime library search path from the -rpath argument. */
char *rpath;
/* Link time runtime library search path from the -rpath-link
argument. */
char *rpath_link;
/* Name of shared object whose symbol table should be filtered with
this shared object. From the --filter option. */
char *filter_shlib;
/* Name of shared object for whose symbol table this shared object
is an auxiliary filter. From the --auxiliary option. */
char **auxiliary_filters;
/* A version symbol to be applied to the symbol names found in the
.exports sections. */
char *version_exports_section;
/* Default linker script. */
char *default_script;
} args_type;
extern args_type command_line;
typedef int token_code_type;
/* Different ways we can handle orphan sections. */
enum orphan_handling_enum
/* The classic strategy, find a suitable section to place the orphan
into. */
orphan_handling_place = 0,
/* Discard any orphan sections as though they were assign to the section
/* Find somewhere to place the orphan section, as with
ORPHAN_HANDLING_PLACE, but also issue a warning. */
/* Issue a fatal error if any orphan sections are found. */
typedef struct
bool magic_demand_paged;
bool make_executable;
/* If TRUE, -shared is supported. */
/* ??? A better way to do this is perhaps to define this in the
ld_emulation_xfer_struct since this is really a target dependent
parameter. */
bool has_shared;
/* If TRUE, build constructors. */
bool build_constructors;
/* If TRUE, warn about any constructors. */
bool warn_constructors;
/* If TRUE, warn about merging common symbols with others. */
bool warn_common;
/* If TRUE, only warn once about a particular undefined symbol. */
bool warn_once;
/* How should we deal with orphan sections. */
enum orphan_handling_enum orphan_handling;
/* If TRUE, warn if multiple global-pointers are needed (Alpha
only). */
bool warn_multiple_gp;
/* If TRUE, warn if the starting address of an output section
changes due to the alignment of an input section. */
bool warn_section_align;
/* If TRUE, warning messages are fatal. */
bool fatal_warnings;
/* If TRUE, warning and error messages are ignored. */
bool no_warnings;
sort_order sort_common;
bool text_read_only;
bool stats;
/* If set, orphan input sections will be mapped to separate output
sections. */
bool unique_orphan_sections;
/* If set, only search library directories explicitly selected
on the command line. */
bool only_cmd_line_lib_dirs;
/* If set, numbers and absolute symbols are simply treated as
numbers everywhere. */
bool sane_expr;
/* If set, code and non-code sections should never be in one segment. */
bool separate_code;
/* If set, generation of ELF section header should be suppressed. */
bool no_section_header;
/* The rpath separation character. Usually ':'. */
char rpath_separator;
char *map_filename;
FILE *map_file;
char *dependency_file;
unsigned int split_by_reloc;
bfd_size_type split_by_file;
/* The size of the hash table to use. */
unsigned long hash_table_size;
/* If set, print discarded sections in map file output. */
bool print_map_discarded;
/* If set, print local symbols in map file output. */
bool print_map_locals;
/* If set, emit the names and types of statically-linked variables
into the CTF. */
bool ctf_variables;
/* If set, share only duplicated types in CTF, rather than sharing
all types that are not in conflict. */
bool ctf_share_duplicated;
/* Compress DWARF debug sections. */
enum compressed_debug_section_type compress_debug;
} ld_config_type;
extern ld_config_type config;
extern FILE * saved_script_handle;
extern bool force_make_executable;
extern int yyparse (void);
extern void add_cref (const char *, bfd *, asection *, bfd_vma);
extern bool handle_asneeded_cref (bfd *, enum notice_asneeded_action);
extern void output_cref (FILE *);
extern void check_nocrossrefs (void);
extern void ld_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
/* If gcc >= 2.6, we can give a function name, too. */
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
#undef abort
#define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)