X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fld.h;h=3c53b98a54ce05a2219d585af4885b6da014d890;hb=18625d5459c50dcdd0e9dc5338f272dcaa00d5d9;hp=fb2b62a908b50a1710e4a51290b831d9e8ed3610;hpb=16423a4a99210a59fc20ea069a5305ccee9414a5;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ld.h b/ld/ld.h index fb2b62a908..3c53b98a54 100644 --- a/ld/ld.h +++ b/ld/ld.h @@ -1,12 +1,12 @@ -/* ld.h - - - Copyright (C) 1991 Free Software Foundation, Inc. +/* 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 1, or (at your option) + 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, @@ -15,118 +15,230 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - - -#define flag_is_not_at_end(x) ((x) & BSF_NOT_AT_END) -#define flag_is_ordinary_local(x) (((x) & (BSF_LOCAL))&!((x) & (BSF_DEBUGGING))) -#define flag_is_debugger(x) ((x) & BSF_DEBUGGING) -#define flag_is_undefined_or_global(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL)) -#define flag_is_defined(x) (!((x) & (BSF_UNDEFINED))) -#define flag_is_global_or_common(x) ((x) & (BSF_GLOBAL | BSF_FORT_COMM)) -#define flag_is_undefined_or_global_or_common(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL | BSF_FORT_COMM)) -#define flag_is_common(x) ((x) & BSF_FORT_COMM) -#define flag_is_global(x) ((x) & (BSF_GLOBAL)) -#define flag_is_undefined(x) ((x) & BSF_UNDEFINED) -#define flag_set(x,y) (x = y) -#define flag_is_fort_comm(x) ((x) & BSF_FORT_COMM) -#define flag_is_absolute(x) ((x) & BSF_ABSOLUTE) -/* 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; + 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 -#define get_userdata(x) ((x)->userdata) -#define as_output_section_statement(x) ((x)->otheruserdata) - -#if 0 -/* - * Structure for communication between do_file_warnings and it's - * helper routines. Will in practice be an array of three of these: - * 0) Current line, 1) Next line, 2) Source file info. - */ -struct line_debug_entry +#ifdef HAVE_LOCALE_H +# include +#endif + +#ifdef ENABLE_NLS +# include +# 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 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 { - int line; - char *filename; - struct nlist *sym; + const char *name; + struct name_list *exclude_name_list; + boolean sorted; }; -#endif +/* 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; -/* Which symbols should be stripped (omitted from the output): - none, all, or debugger symbols. */ -enum { STRIP_NONE, STRIP_ALL, STRIP_DEBUGGER } strip_symbols; +#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; -/* Which local symbols should be omitted: - none, all, or those starting with L. - This is irrelevant if STRIP_NONE. */ -enum { DISCARD_NONE, DISCARD_ALL, DISCARD_L } discard_locals; + /* 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; -#define ALIGN(this, boundary) ((( (this) + ((boundary) -1)) & (~((boundary)-1)))) -#if 0 -#define FOREACHGLOBALSYMBOL(x) ldsym_type *x; for (x = symbol_head; x; x=x->next) + /* 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; -#define SECTIONLOOP(abfd, ptr) \ - asection *ptr; for(ptr = abfd->sections; ptr;ptr=ptr->next) + /* 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; -#endif -typedef struct { + /* Name of shared object for whose symbol table this shared object + is an auxiliary filter. From the --auxiliary option. */ + char **auxiliary_filters; - /* 1 => assign space to common symbols even if `relocatable_output'. */ - boolean force_common_definition; + /* 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 { - unsigned int specified_data_size; + bfd_size_type specified_data_size; boolean magic_demand_paged; boolean make_executable; - /* 1 => write relocation into output file so can re-input it later. */ - boolean relocateable_output; - /* Will we build contstructors, or leave alone ? */ + /* 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; - /* 1 => write relocation such that a UNIX linker can understand it. - This is used mainly to finish of sets that were built. */ - boolean unix_relocate; + /* If true, warn about any constructors. */ + boolean warn_constructors; -} ld_config_type; -#define set_asymbol_chain(x,y) ((x)->udata = (void *)y) -#define get_asymbol_chain(x) ((asymbol **)((x)->udata)) -#define get_loader_symbol(x) ((loader_global_asymbol *)((x)->udata)) -#define set_loader_symbol(x,y) ((x)->udata = (void *)y) + /* 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; -typedef enum { + 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; + 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, we can give a function name, too. */ +#if !defined (__GNUC__) || __GNUC_MINOR__ <= 5 +#define __PRETTY_FUNCTION__ ((char*) NULL) +#endif + +#undef abort +#define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) + +#endif