binutils-gdb/ld/ld.h

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/* ld.h -- general linker header file
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002
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Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
GLD 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 2, or (at your option)
any later version.
GLD 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 GLD; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef LD_H
#define LD_H
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#ifdef ENABLE_NLS
# include <libintl.h>
# define _(String) gettext (String)
# ifdef gettext_noop
# define N_(String) gettext_noop (String)
# else
# define N_(String) (String)
# endif
#else
# define gettext(Msgid) (Msgid)
# define dgettext(Domainname, Msgid) (Msgid)
# define dcgettext(Domainname, Msgid, Category) (Msgid)
# define textdomain(Domainname) while (0) /* nothing */
# define bindtextdomain(Domainname, Dirname) while (0) /* nothing */
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# define _(String) (String)
# define N_(String) (String)
#endif
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#include "bin-bugs.h"
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/* Look in this environment name for the linker to pretend to be */
#define EMULATION_ENVIRON "LDEMULATION"
/* If in there look for the strings: */
/* Look in this variable for a target format */
#define TARGET_ENVIRON "GNUTARGET"
/* Input sections which are put in a section of this name are actually
discarded. */
#define DISCARD_SECTION_NAME "/DISCARD/"
/* A file name list */
typedef struct name_list {
const char *name;
struct name_list *next;
}
name_list;
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/* A wildcard specification. This is only used in ldgram.y, but it
winds up in ldgram.h, so we need to define it outside. */
struct wildcard_spec {
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const char *name;
struct name_list *exclude_name_list;
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boolean sorted;
};
struct wildcard_list {
struct wildcard_list *next;
struct wildcard_spec spec;
};
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/* Extra information we hold on sections */
typedef struct user_section_struct {
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/* Pointer to the section where this data will go */
struct lang_input_statement_struct *file;
} section_userdata_type;
#define get_userdata(x) ((x)->userdata)
#define BYTE_SIZE (1)
#define SHORT_SIZE (2)
#define LONG_SIZE (4)
#define QUAD_SIZE (8)
/* ALIGN macro changed to ALIGN_N to avoid */
/* conflict in /usr/include/machine/machparam.h */
/* WARNING: If THIS is a 64 bit address and BOUNDARY is a 32 bit int,
you must coerce boundary to the same type as THIS.
??? Is there a portable way to avoid this. */
#define ALIGN_N(this, boundary) \
((( (this) + ((boundary) -1)) & (~((boundary)-1))))
typedef struct {
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/* 1 => assign space to common symbols even if `relocatable_output'. */
boolean force_common_definition;
/* 1 => do not assign addresses to common symbols. */
boolean inhibit_common_definition;
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boolean relax;
/* Name of runtime interpreter to invoke. */
char *interpreter;
/* Name to give runtime libary 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;
/* Big or little endian as set on command line. */
enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
/* If true, build MIPS embedded PIC relocation tables in the output
file. */
boolean embedded_relocs;
/* If true, force generation of a file with a .exe file. */
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boolean force_exe_suffix;
/* If true, generate a cross reference report. */
boolean cref;
/* If true (which is the default), warn about mismatched input
files. */
boolean warn_mismatch;
/* Remove unreferenced sections? */
boolean gc_sections;
/* 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;
/* If true (the default) check section addresses, once compute,
fpor overlaps. */
boolean check_section_addresses;
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} args_type;
extern args_type command_line;
typedef int token_code_type;
typedef struct {
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bfd_size_type specified_data_size;
boolean magic_demand_paged;
boolean make_executable;
/* If true, doing a dynamic link. */
boolean dynamic_link;
/* 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. */
boolean has_shared;
/* If true, build constructors. */
boolean build_constructors;
/* If true, warn about any constructors. */
boolean warn_constructors;
/* If true, warn about merging common symbols with others. */
boolean warn_common;
/* If true, only warn once about a particular undefined symbol. */
boolean warn_once;
/* If true, warn if multiple global-pointers are needed (Alpha
only). */
boolean warn_multiple_gp;
/* If true, warn if the starting address of an output section
changes due to the alignment of an input section. */
boolean warn_section_align;
/* If true, warning messages are fatal */
boolean fatal_warnings;
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boolean sort_common;
boolean text_read_only;
char *map_filename;
FILE *map_file;
boolean stats;
/* If set, orphan input sections will be mapped to separate output
sections. */
boolean unique_orphan_sections;
unsigned int split_by_reloc;
bfd_size_type split_by_file;
/* If set, only search library directories explicitly selected
on the command line. */
boolean only_cmd_line_lib_dirs;
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} ld_config_type;
extern ld_config_type config;
typedef enum {
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lang_first_phase_enum,
lang_allocating_phase_enum,
lang_final_phase_enum
} lang_phase_type;
extern FILE * saved_script_handle;
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extern boolean force_make_executable;
/* Non-zero if we are processing a --defsym from the command line. */
extern int parsing_defsym;
extern int yyparse PARAMS ((void));
extern void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma));
extern void output_cref PARAMS ((FILE *));
extern void check_nocrossrefs PARAMS ((void));
extern void ld_abort PARAMS ((const char *, int, const char *))
ATTRIBUTE_NORETURN;
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/* If gcc >= 2.6, we can give a function name, too. */
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
#define __PRETTY_FUNCTION__ ((char*) NULL)
#endif
#undef abort
#define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
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#endif