X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fld.h;h=f049c079b62d6e84018e716931aefeadc29875a6;hb=f856040accecf254a5130936e69218ed935711a6;hp=ff654a650a13df2af1fc412973d5bd28bacc35b3;hpb=c96386c4d8bd690856b5742cd783492e8ec9e806;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ld.h b/ld/ld.h index ff654a650a..f049c079b6 100644 --- a/ld/ld.h +++ b/ld/ld.h @@ -1,6 +1,7 @@ -/* ld.h - - - Copyright (C) 1991, 1993 Free Software Foundation, Inc. +/* ld.h -- general linker header file + Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, + 2001, 2002, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of GLD, the Gnu Linker. @@ -15,19 +16,121 @@ 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. */ + along with GLD; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef LD_H #define LD_H -/* 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; +#ifdef HAVE_LOCALE_H +#endif +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +#if defined(__GNUC__) && !defined(C_ALLOCA) +# undef alloca +# define alloca __builtin_alloca +#else +# if defined(HAVE_ALLOCA_H) && !defined(C_ALLOCA) +# include +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +# if !defined (__STDC__) && !defined (__hpux) +char *alloca (); +# else +void *alloca (); +# endif /* __STDC__, __hpux */ +# endif /* alloca */ +# endif /* HAVE_ALLOCA_H */ +#endif + + +#ifdef HAVE_LOCALE_H +# ifndef ENABLE_NLS + /* The Solaris version of locale.h always includes libintl.h. If we have + been configured with --disable-nls then ENABLE_NLS will not be defined + and the dummy definitions of bindtextdomain (et al) below will conflict + with the defintions in libintl.h. So we define these values to prevent + the bogus inclusion of libintl.h. */ +# define _LIBINTL_H +# define _LIBGETTEXT_H +# endif +# 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 +# define gettext(Msgid) (Msgid) +# define dgettext(Domainname, Msgid) (Msgid) +# define dcgettext(Domainname, Msgid, Category) (Msgid) +# define textdomain(Domainname) while (0) /* nothing */ +# define bindtextdomain(Domainname, Dirname) while (0) /* nothing */ +# 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. */ + +typedef enum { + none, by_name, by_alignment, by_name_alignment, by_alignment_name +} sort_type; + +extern sort_type sort_section; + +struct wildcard_spec { + const char *name; + struct name_list *exclude_name_list; + sort_type sorted; +}; + +struct wildcard_list { + struct wildcard_list *next; + struct wildcard_spec spec; +}; + +struct map_symbol_def { + struct bfd_link_hash_entry *entry; + struct map_symbol_def *next; +}; + +/* The initial part of fat_user_section_struct has to be idential with + lean_user_section_struct. */ +typedef struct fat_user_section_struct { + /* For input sections, when writing a map file: head / tail of a linked + list of hash table entries for symbols defined in this section. */ + struct map_symbol_def *map_symbol_def_head; + struct map_symbol_def **map_symbol_def_tail; +} fat_section_userdata_type; #define get_userdata(x) ((x)->userdata) @@ -36,64 +139,182 @@ typedef struct user_section_struct #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 -{ +typedef struct { /* 1 => assign space to common symbols even if `relocatable_output'. */ - boolean force_common_definition; - boolean relax; + bfd_boolean force_common_definition; + + /* 1 => do not assign addresses to common symbols. */ + bfd_boolean inhibit_common_definition; + bfd_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, build MIPS embedded PIC relocation tables in the output + file. */ + bfd_boolean embedded_relocs; + + /* If TRUE, force generation of a file with a .exe file. */ + bfd_boolean force_exe_suffix; + + /* If TRUE, generate a cross reference report. */ + bfd_boolean cref; + + /* If TRUE (which is the default), warn about mismatched input + files. */ + bfd_boolean warn_mismatch; + + /* 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; + + /* Default linker script. */ + char *default_script; + + /* If TRUE (the default) check section addresses, once compute, + fpor overlaps. */ + bfd_boolean check_section_addresses; + + /* If TRUE allow the linking of input files in an unknown architecture + assuming that the user knows what they are doing. This was the old + behaviour of the linker. The new default behaviour is to reject such + input files. */ + bfd_boolean accept_unknown_input_arch; + + /* -Bsymbolic and -Bsymbolic-functions, as set on command line. */ + enum + { + symbolic_unset = 0, + symbolic, + symbolic_functions, + } symbolic; + + /* --dynamic-list, --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo + and --dynamic-list FILE, as set on command line. */ + enum + { + dynamic_list_unset = 0, + dynamic_list_data, + dynamic_list + } dynamic_list; } args_type; extern args_type command_line; typedef int token_code_type; -typedef struct -{ +typedef struct { bfd_size_type specified_data_size; - boolean magic_demand_paged; - boolean make_executable; + bfd_boolean magic_demand_paged; + bfd_boolean make_executable; + + /* If TRUE, doing a dynamic link. */ + bfd_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. */ + bfd_boolean has_shared; - /* If true, request BFD to use the traditional format. */ - boolean traditional_format; + /* If TRUE, build constructors. */ + bfd_boolean build_constructors; - /* If true, doing a dynamic link. */ - boolean dynamic_link; + /* If TRUE, warn about any constructors. */ + bfd_boolean warn_constructors; - boolean build_constructors; + /* If TRUE, warn about merging common symbols with others. */ + bfd_boolean warn_common; - /* If true, warn about merging common symbols with others. */ - boolean warn_common; + /* If TRUE, only warn once about a particular undefined symbol. */ + bfd_boolean warn_once; - boolean sort_common; + /* If TRUE, warn if multiple global-pointers are needed (Alpha + only). */ + bfd_boolean warn_multiple_gp; - boolean text_read_only; + /* If TRUE, warn if the starting address of an output section + changes due to the alignment of an input section. */ + bfd_boolean warn_section_align; + + /* If TRUE, warning messages are fatal */ + bfd_boolean fatal_warnings; + + bfd_boolean sort_common; + + bfd_boolean text_read_only; char *map_filename; FILE *map_file; - boolean stats; + bfd_boolean stats; + + /* If set, orphan input sections will be mapped to separate output + sections. */ + bfd_boolean unique_orphan_sections; + + unsigned int split_by_reloc; + bfd_size_type split_by_file; + + /* The rpath separation character. Usually ':'. */ + char rpath_separator; + + /* If set, only search library directories explicitly selected + on the command line. */ + bfd_boolean only_cmd_line_lib_dirs; + + /* The size of the hash table to use. */ + bfd_size_type hash_table_size; + + /* The maximum page size for ELF. */ + bfd_vma maxpagesize; + + /* The common page size for ELF. */ + bfd_vma commonpagesize; } 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 FILE * saved_script_handle; +extern bfd_boolean force_make_executable; -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 (void); +extern void add_cref (const char *, bfd *, asection *, bfd_vma); +extern bfd_boolean handle_asneeded_cref (bfd *, enum notice_asneeded_action); +extern void output_cref (FILE *); +extern void check_nocrossrefs (void); +extern void ld_abort (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__ NULL +#endif -extern int yyparse PARAMS ((void)); +#undef abort +#define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) #endif