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158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/* ld.h -- general linker header file
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Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef LD_H
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#define LD_H
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/* Look in this environment name for the linker to pretend to be */
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#define EMULATION_ENVIRON "LDEMULATION"
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/* If in there look for the strings: */
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/* Look in this variable for a target format */
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#define TARGET_ENVIRON "GNUTARGET"
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/* Input sections which are put in a section of this name are actually
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discarded. */
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#define DISCARD_SECTION_NAME "/DISCARD/"
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/* Extra information we hold on sections */
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typedef struct user_section_struct
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{
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/* Pointer to the section where this data will go */
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struct lang_input_statement_struct *file;
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} section_userdata_type;
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#define get_userdata(x) ((x)->userdata)
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#define BYTE_SIZE (1)
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#define SHORT_SIZE (2)
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#define LONG_SIZE (4)
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#define QUAD_SIZE (8)
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/* ALIGN macro changed to ALIGN_N to avoid */
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/* conflict in /usr/include/machine/machparam.h */
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/* WARNING: If THIS is a 64 bit address and BOUNDARY is a 32 bit int,
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you must coerce boundary to the same type as THIS.
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??? Is there a portable way to avoid this. */
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#define ALIGN_N(this, boundary) \
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((( (this) + ((boundary) -1)) & (~((boundary)-1))))
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typedef struct
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{
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/* 1 => assign space to common symbols even if `relocatable_output'. */
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boolean force_common_definition;
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boolean relax;
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/* Name of runtime interpreter to invoke. */
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char *interpreter;
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/* Name to give runtime libary from the -soname argument. */
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char *soname;
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/* Runtime library search path from the -rpath argument. */
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char *rpath;
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/* Link time runtime library search path from the -rpath-link
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argument. */
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char *rpath_link;
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/* Big or little endian as set on command line. */
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enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
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/* If true, export all symbols in the dynamic symbol table of an ELF
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executable. */
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boolean export_dynamic;
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/* If true, build MIPS embedded PIC relocation tables in the output
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file. */
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boolean embedded_relocs;
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/* If true, force generation of a file with a .exe file. */
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boolean force_exe_suffix;
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/* If true, generate a cross reference report. */
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boolean cref;
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} args_type;
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extern args_type command_line;
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typedef int token_code_type;
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typedef struct
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{
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bfd_size_type specified_data_size;
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boolean magic_demand_paged;
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boolean make_executable;
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/* If true, doing a dynamic link. */
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boolean dynamic_link;
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/* If true, build constructors. */
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boolean build_constructors;
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/* If true, warn about any constructors. */
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boolean warn_constructors;
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/* If true, warn about merging common symbols with others. */
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boolean warn_common;
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/* If true, only warn once about a particular undefined symbol. */
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boolean warn_once;
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/* If true, warn if multiple global-pointers are needed (Alpha
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only). */
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boolean warn_multiple_gp;
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boolean sort_common;
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boolean text_read_only;
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char *map_filename;
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FILE *map_file;
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boolean stats;
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int split_by_reloc;
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boolean split_by_file;
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} ld_config_type;
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extern ld_config_type config;
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typedef enum
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{
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lang_first_phase_enum,
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lang_allocating_phase_enum,
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lang_final_phase_enum
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} lang_phase_type;
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extern boolean had_script;
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extern boolean force_make_executable;
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/* Non-zero if we are processing a --defsym from the command line. */
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extern int parsing_defsym;
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extern int yyparse PARAMS ((void));
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extern void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma));
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extern void output_cref PARAMS ((FILE *));
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#endif
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