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Diffstat (limited to 'ld/ld.h')
-rw-r--r-- | ld/ld.h | 226 |
1 files changed, 226 insertions, 0 deletions
@@ -0,0 +1,226 @@ +/* ld.h -- general linker header file + Copyright (C) 1991, 93, 94, 95, 96, 97, 98, 1999 + 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 +/* Stubs that do something close enough. */ +# define textdomain(String) (String) +# define gettext(String) (String) +# define dgettext(Domain,Message) (Message) +# define dcgettext(Domain,Message,Type) (Message) +# define bindtextdomain(Domain,Directory) (Domain) +# define _(String) (String) +# define N_(String) (String) +#endif + +/* 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 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 +{ + const char *name; + const char *exclude_name; + boolean sorted; +}; + +/* 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; + + /* 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; + +} 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, -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; + + 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 |