| /* ld.h -- general linker header file |
| Copyright (C) 1991, 93, 94, 95, 96, 97, 98, 99, 2000 |
| 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 |
| |
| #include "bin-bugs.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/" |
| |
| /* A file name list */ |
| typedef struct name_list |
| { |
| const char *name; |
| struct name_list *next; |
| } name_list; |
| |
| /* 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; |
| struct name_list *exclude_name_list; |
| 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)); |
| |
| extern void ld_abort PARAMS ((const char *, int, const char *)) |
| ATTRIBUTE_NORETURN; |
| |
| /* 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__) |
| |
| #endif |