-/* ld.h -
-
- Copyright (C) 1991 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.
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,
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, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, 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
-{
- int line;
- char *filename;
- struct nlist *sym;
-};
-
+#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 <alloca.h>
+# 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
-/* Which symbols should be stripped (omitted from the output):
- none, all, or debugger symbols. */
-enum { STRIP_NONE, STRIP_ALL, STRIP_DEBUGGER } strip_symbols;
+#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 <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
+# 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: */
-/* 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;
+/* 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;
-#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)
+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 SECTIONLOOP(abfd, ptr) \
- asection *ptr; for(ptr = abfd->sections; ptr;ptr=ptr->next)
+#define get_userdata(x) ((x)->userdata)
+#define BYTE_SIZE (1)
+#define SHORT_SIZE (2)
+#define LONG_SIZE (4)
+#define QUAD_SIZE (8)
-#endif
typedef struct {
-
/* 1 => assign space to common symbols even if `relocatable_output'. */
- boolean force_common_definition;
-
+ 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
-{
- unsigned int 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;
+typedef struct {
+ bfd_size_type specified_data_size;
+ bfd_boolean magic_demand_paged;
+ bfd_boolean make_executable;
+
+ /* If TRUE, doing a dynamic link. */
+ bfd_boolean dynamic_link;
- /* Will we build contstructors, or leave alone ? */
- 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, -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, build constructors. */
+ bfd_boolean build_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 any constructors. */
+ bfd_boolean warn_constructors;
+ /* If TRUE, warn about merging common symbols with others. */
+ bfd_boolean warn_common;
+ /* If TRUE, only warn once about a particular undefined symbol. */
+ bfd_boolean warn_once;
+ /* If TRUE, warn if multiple global-pointers are needed (Alpha
+ only). */
+ bfd_boolean warn_multiple_gp;
+ /* 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;
-typedef enum {
- lang_first_phase_enum,
- lang_allocating_phase_enum,
- lang_final_phase_enum } lang_phase_type;
+ bfd_boolean sort_common;
+
+ bfd_boolean text_read_only;
+
+ char *map_filename;
+ FILE *map_file;
+ 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;
+
+extern FILE * saved_script_handle;
+extern bfd_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
+
+#undef abort
+#define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
+
+#endif
projects / deliverable / binutils-gdb.git / blobdiff