-/* 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, 2002, 2004
+ 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)
+ 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
+# 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
+
+#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;
+ bfd_boolean 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;
+};
+
/* Extra information we hold on sections */
-typedef struct user_section_struct {
- /* Pointer to the section where this data will go */
+typedef struct lean_user_section_struct {
+ /* For output sections: pointer to the section where this data will go. */
+ struct lang_input_statement_struct *file;
+} lean_section_userdata_type;
+
+/* The initial part of fat_user_section_struct has to be idential with
+ lean_user_section_struct. */
+typedef struct fat_user_section_struct {
+ /* For output sections: pointer to the section where this data will go. */
struct lang_input_statement_struct *file;
-} section_userdata_type;
+ /* 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 SECTION_USERDATA_SIZE \
+ (command_line.reduce_memory_overheads \
+ ? sizeof (lean_section_userdata_type) \
+ : sizeof (fat_section_userdata_type))
#define get_userdata(x) ((x)->userdata)
-#define as_output_section_statement(x) ((x)->otheruserdata)
+#define BYTE_SIZE (1)
+#define SHORT_SIZE (2)
+#define LONG_SIZE (4)
+#define QUAD_SIZE (8)
+typedef struct {
+ /* 1 => assign space to common symbols even if `relocatable_output'. */
+ bfd_boolean force_common_definition;
-/* Which symbols should be stripped (omitted from the output):
- none, all, or debugger symbols. */
-typedef enum { STRIP_NONE, STRIP_ALL, STRIP_DEBUGGER } strip_symbols_type;
+ /* 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;
-/* Which local symbols should be omitted:
- none, all, or those starting with L.
- This is irrelevant if STRIP_NONE. */
-typedef enum { DISCARD_NONE, DISCARD_ALL, DISCARD_L } discard_locals_type;
+ /* 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;
-#define ALIGN(this, boundary) ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
+ /* Remove unreferenced sections? */
+ bfd_boolean gc_sections;
-typedef struct {
- /* 1 => assign space to common symbols even if `relocatable_output'. */
- boolean force_common_definition;
+ /* 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. */
+ 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;
+
+ /* If TRUE reduce memory overheads, at the expense of speed.
+ This will cause map file generation to use an O(N^2) algorithm. */
+ bfd_boolean reduce_memory_overheads;
} 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;
- /* 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, 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;
-} ld_config_type;
-#define set_asymbol_chain(x,y) ((x)->udata = (PTR)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 = (PTR)y)
+ /* If TRUE, build constructors. */
+ bfd_boolean build_constructors;
+
+ /* 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;
+ 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;
+
+ /* 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;
+} 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 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 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
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