[deliverable/binutils-gdb.git] / ld / ld.h

/* 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 *));

#endif
Commit	Line	Data
	1	/* ld.h -- general linker header file
	2	Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc.
	3
	4	This file is part of GLD, the Gnu Linker.
	5
	6	GLD is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	GLD is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GLD; see the file COPYING. If not, write to the Free
	18	Software Foundation, 59 Temple Place - Suite 330, Boston, MA
	19	02111-1307, USA. */
	20
	21	#ifndef LD_H
	22	#define LD_H
	23
	24	/* Look in this environment name for the linker to pretend to be */
	25	#define EMULATION_ENVIRON "LDEMULATION"
	26	/* If in there look for the strings: */
	27
	28	/* Look in this variable for a target format */
	29	#define TARGET_ENVIRON "GNUTARGET"
	30
	31	/* Input sections which are put in a section of this name are actually
	32	discarded. */
	33	#define DISCARD_SECTION_NAME "/DISCARD/"
	34
	35	/* Extra information we hold on sections */
	36	typedef struct user_section_struct
	37	{
	38	/* Pointer to the section where this data will go */
	39	struct lang_input_statement_struct *file;
	40	} section_userdata_type;
	41
	42
	43	#define get_userdata(x) ((x)->userdata)
	44
	45	#define BYTE_SIZE (1)
	46	#define SHORT_SIZE (2)
	47	#define LONG_SIZE (4)
	48	#define QUAD_SIZE (8)
	49
	50	/* ALIGN macro changed to ALIGN_N to avoid */
	51	/* conflict in /usr/include/machine/machparam.h */
	52	/* WARNING: If THIS is a 64 bit address and BOUNDARY is a 32 bit int,
	53	you must coerce boundary to the same type as THIS.
	54	??? Is there a portable way to avoid this. */
	55	#define ALIGN_N(this, boundary) \
	56	((( (this) + ((boundary) -1)) & (~((boundary)-1))))
	57
	58	typedef struct
	59	{
	60	/* 1 => assign space to common symbols even if `relocatable_output'. */
	61	boolean force_common_definition;
	62	boolean relax;
	63
	64	/* Name of runtime interpreter to invoke. */
	65	char *interpreter;
	66
	67	/* Name to give runtime libary from the -soname argument. */
	68	char *soname;
	69
	70	/* Runtime library search path from the -rpath argument. */
	71	char *rpath;
	72
	73	/* Link time runtime library search path from the -rpath-link
	74	argument. */
	75	char *rpath_link;
	76
	77	/* Big or little endian as set on command line. */
	78	enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
	79
	80	/* If true, export all symbols in the dynamic symbol table of an ELF
	81	executable. */
	82	boolean export_dynamic;
	83
	84	/* If true, build MIPS embedded PIC relocation tables in the output
	85	file. */
	86	boolean embedded_relocs;
	87
	88	/* If true, force generation of a file with a .exe file. */
	89	boolean force_exe_suffix;
	90
	91	/* If true, generate a cross reference report. */
	92	boolean cref;
	93	} args_type;
	94
	95	extern args_type command_line;
	96
	97	typedef int token_code_type;
	98
	99	typedef struct
	100	{
	101	bfd_size_type specified_data_size;
	102	boolean magic_demand_paged;
	103	boolean make_executable;
	104
	105	/* If true, doing a dynamic link. */
	106	boolean dynamic_link;
	107
	108	/* If true, build constructors. */
	109	boolean build_constructors;
	110
	111	/* If true, warn about any constructors. */
	112	boolean warn_constructors;
	113
	114	/* If true, warn about merging common symbols with others. */
	115	boolean warn_common;
	116
	117	/* If true, only warn once about a particular undefined symbol. */
	118	boolean warn_once;
	119
	120	/* If true, warn if multiple global-pointers are needed (Alpha
	121	only). */
	122	boolean warn_multiple_gp;
	123
	124	boolean sort_common;
	125
	126	boolean text_read_only;
	127
	128	char *map_filename;
	129	FILE *map_file;
	130
	131	boolean stats;
	132
	133	int split_by_reloc;
	134	boolean split_by_file;
	135	} ld_config_type;
	136
	137	extern ld_config_type config;
	138
	139	typedef enum
	140	{
	141	lang_first_phase_enum,
	142	lang_allocating_phase_enum,
	143	lang_final_phase_enum
	144	} lang_phase_type;
	145
	146	extern boolean had_script;
	147	extern boolean force_make_executable;
	148
	149	/* Non-zero if we are processing a --defsym from the command line. */
	150	extern int parsing_defsym;
	151
	152	extern int yyparse PARAMS ((void));
	153
	154	extern void add_cref PARAMS ((const char , bfd , asection *, bfd_vma));
	155	extern void output_cref PARAMS ((FILE *));
	156
	157	#endif