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/* ld.h -- general linker header file
Copyright (C) 1991, 93, 94, 95, 1996 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
/* 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/"
/* Extra information we hold on sections */
typedef struct user_section_struct
{
/* 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
{
/* 1 => assign space to common symbols even if `relocatable_output'. */
boolean force_common_definition;
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, export all symbols in the dynamic symbol table of an ELF
executable. */
boolean export_dynamic;
/* 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. */
boolean force_exe_suffix;
/* If true, generate a cross reference report. */
boolean cref;
} args_type;
extern args_type command_line;
typedef int token_code_type;
typedef struct
{
bfd_size_type specified_data_size;
boolean magic_demand_paged;
boolean make_executable;
/* If true, doing a dynamic link. */
boolean dynamic_link;
/* 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;
boolean sort_common;
boolean text_read_only;
char *map_filename;
FILE *map_file;
boolean stats;
int split_by_reloc;
boolean split_by_file;
} ld_config_type;
extern ld_config_type config;
typedef enum
{
lang_first_phase_enum,
lang_allocating_phase_enum,
lang_final_phase_enum
} lang_phase_type;
extern boolean had_script;
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));
#endif
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