X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fld.h;h=5243346f374cdfc9cd84ba5c11e2144b4078b453;hb=4a422785822ec9302f681c8fbc6ba2cc35231b09;hp=c776de62784b3ef0a4ffa13ad62cbdbcd5456038;hpb=6799c638e59e6861940dd4eec6c59f6466db1f69;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ld.h b/ld/ld.h index c776de6278..5243346f37 100644 --- a/ld/ld.h +++ b/ld/ld.h @@ -1,26 +1,72 @@ -/* ld.h - +/* ld.h -- general linker header file + Copyright (C) 1991-2019 Free Software Foundation, Inc. - Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + This file is part of the GNU Binutils. - This file is part of GLD, the Gnu Linker. - - GLD is free software; you can redistribute it and/or modify + This program 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. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. - GLD is distributed in the hope that it will be useful, + This program 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. */ + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #ifndef LD_H #define LD_H +#ifdef HAVE_LOCALE_H +#endif +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif +#ifndef SEEK_END +#define SEEK_END 2 +#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 ngettext(Msgid1, Msgid2, n) \ + (n == 1 ? Msgid1 : Msgid2) +# define dngettext(Domainname, Msgid1, Msgid2, n) \ + (n == 1 ? Msgid1 : Msgid2) +# define dcngettext(Domainname, Msgid1, Msgid2, n, Category) \ + (n == 1 ? Msgid1 : Msgid2) +# define textdomain(Domainname) do {} while (0) +# define bindtextdomain(Domainname, Dirname) do {} while (0) +# 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: */ @@ -32,39 +78,101 @@ discarded. */ #define DISCARD_SECTION_NAME "/DISCARD/" -/* Extra information we hold on sections */ -typedef struct user_section_struct +/* A file name list. */ +typedef struct name_list +{ + const char *name; + struct name_list *next; +} +name_list; + +typedef enum {sort_none, sort_ascending, sort_descending} sort_order; + +/* A wildcard specification. */ + +typedef enum { - /* Pointer to the section where this data will go */ - struct lang_input_statement_struct *file; -} section_userdata_type; + none, by_name, by_alignment, by_name_alignment, by_alignment_name, + by_none, by_init_priority +} sort_type; +extern sort_type sort_section; -#define get_userdata(x) ((x)->userdata) +struct wildcard_spec +{ + const char *name; + struct name_list *exclude_name_list; + sort_type sorted; + struct flag_info *section_flag_list; +}; + +struct wildcard_list +{ + struct wildcard_list *next; + struct wildcard_spec spec; +}; #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)))) +enum endian_enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE }; typedef struct { /* 1 => assign space to common symbols even if `relocatable_output'. */ - boolean force_common_definition; - boolean relax; + bfd_boolean force_common_definition; + + /* 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; + + /* Warn on attempting to open an incompatible library during a library + search. */ + bfd_boolean warn_search_mismatch; + + /* If non-zero check section addresses, once computed, + for overlaps. Relocatable links only check when this is > 0. */ + signed char 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; + + /* Name of the import library to generate. */ + char *out_implib_filename; + + /* If TRUE we'll just print the default output on stdout. */ + bfd_boolean print_output_format; + + /* If set, display the target memory usage (per memory region). */ + bfd_boolean print_memory_usage; + + /* Should we force section groups to be resolved? Controlled with + --force-group-allocation on the command line or FORCE_GROUP_ALLOCATION + in the linker script. */ + bfd_boolean force_group_allocation; + + /* Big or little endian as set on command line. */ + enum endian_enum endian; /* Name of runtime interpreter to invoke. */ char *interpreter; - /* Name to give runtime libary from the -soname argument. */ + /* Name to give runtime library from the -soname argument. */ char *soname; /* Runtime library search path from the -rpath argument. */ @@ -74,75 +182,144 @@ typedef struct argument. */ char *rpath_link; - /* Big or little endian as set on command line. */ - enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian; + /* Name of shared object whose symbol table should be filtered with + this shared object. From the --filter option. */ + char *filter_shlib; - /* If true, export all symbols in the dynamic symbol table of an ELF - executable. */ - boolean export_dynamic; + /* Name of shared object for whose symbol table this shared object + is an auxiliary filter. From the --auxiliary option. */ + char **auxiliary_filters; - /* If true, build MIPS embedded PIC relocation tables in the output - file. */ - boolean embedded_relocs; + /* 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; } args_type; extern args_type command_line; typedef int token_code_type; -typedef struct +/* Different ways we can handle orphan sections. */ + +enum orphan_handling_enum { - bfd_size_type specified_data_size; - boolean magic_demand_paged; - boolean make_executable; + /* The classic strategy, find a suitable section to place the orphan + into. */ + orphan_handling_place = 0, + + /* Discard any orphan sections as though they were assign to the section + /DISCARD/. */ + orphan_handling_discard, + + /* Find somewhere to place the orphan section, as with + ORPHAN_HANDLING_PLACE, but also issue a warning. */ + orphan_handling_warn, + + /* Issue a fatal error if any orphan sections are found. */ + orphan_handling_error, +}; + +typedef struct +{ + bfd_boolean magic_demand_paged; + bfd_boolean make_executable; + + /* 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, doing a dynamic link. */ - boolean dynamic_link; + /* If TRUE, build constructors. */ + bfd_boolean build_constructors; - /* If true, build constructors. */ - boolean build_constructors; + /* If TRUE, warn about any constructors. */ + bfd_boolean warn_constructors; - /* If true, warn about any constructors. */ - boolean warn_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; - /* If true, only warn once about a particular undefined symbol. */ - boolean warn_once; + /* How should we deal with orphan sections. */ + enum orphan_handling_enum orphan_handling; - /* If true, warn if multiple global-pointers are needed (Alpha + /* If TRUE, warn if multiple global-pointers are needed (Alpha only). */ - boolean warn_multiple_gp; + bfd_boolean warn_multiple_gp; - boolean sort_common; + /* 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; - boolean text_read_only; + /* If TRUE, warning messages are fatal */ + bfd_boolean fatal_warnings; + + sort_order sort_common; + + bfd_boolean text_read_only; + + bfd_boolean stats; + + /* If set, orphan input sections will be mapped to separate output + sections. */ + bfd_boolean unique_orphan_sections; + + /* If set, only search library directories explicitly selected + on the command line. */ + bfd_boolean only_cmd_line_lib_dirs; + + /* If set, numbers and absolute symbols are simply treated as + numbers everywhere. */ + bfd_boolean sane_expr; + + /* If set, code and non-code sections should never be in one segment. */ + bfd_boolean separate_code; + + /* The rpath separation character. Usually ':'. */ + char rpath_separator; char *map_filename; FILE *map_file; - boolean stats; + unsigned int split_by_reloc; + bfd_size_type split_by_file; + + /* The size of the hash table to use. */ + unsigned long hash_table_size; + + /* The maximum page size for ELF. */ + bfd_vma maxpagesize; + + /* The common page size for ELF. */ + bfd_vma commonpagesize; - int split_by_reloc; - boolean split_by_file; + /* If set, print discarded sections in map file output. */ + bfd_boolean print_map_discarded; } 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; +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; -/* Non-zero if we are processing a --defsym from the command line. */ -extern int parsing_defsym; +/* 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