ld/

[deliverable/binutils-gdb.git] / ld / ld.h

diff --git a/ld/ld.h b/ld/ld.h
index bca7462dc4f189566a790741e786edd3a3fee439..f049c079b62d6e84018e716931aefeadc29875a6 100644 (file)
--- a/ld/ld.h
+++ b/ld/ld.h
@@ -1,5 +1,6 @@
 /* ld.h -- general linker header file
 /* ld.h -- general linker header file

-   Copyright (C) 1991, 93, 94, 95, 96, 97, 98, 1999
+   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.
    Free Software Foundation, Inc.
 
    This file is part of GLD, the Gnu Linker.


@@ -16,13 +17,49 @@
 
    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
 
    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.  */
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */

 
 #ifndef LD_H
 #define LD_H
 
 #ifdef HAVE_LOCALE_H
 
 #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
+
+#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
+
+
+#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
 
 # include <locale.h>
 #endif
 


@@ -35,12 +72,11 @@
 #  define N_(String) (String)
 # endif
 #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 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
 # define _(String) (String)
 # define N_(String) (String)
 #endif


@@ -56,23 +92,45 @@
    discarded.  */
 #define DISCARD_SECTION_NAME "/DISCARD/"
 
    discarded.  */
 #define DISCARD_SECTION_NAME "/DISCARD/"
 

-/* A wildcard specification.  This is only used in ldgram.y, but it
-   winds up in ldgram.h, so we need to define it outside.  */
+/* A file name list */
+typedef struct name_list {
+  const char *name;
+  struct name_list *next;
+}
+name_list;
+
+/* A wildcard specification.  */

 
 

-struct wildcard_spec
-{
+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;
   const char *name;

-  const char *exclude_name;
-  boolean sorted;
+  struct name_list *exclude_name_list;
+  sort_type sorted;

 };
 
 };
 

-/* 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;
+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)
 
 
 #define get_userdata(x) ((x)->userdata)
 


@@ -81,19 +139,13 @@ typedef struct  user_section_struct
 #define LONG_SIZE      (4)
 #define QUAD_SIZE      (8)
 
 #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'.  */
   /* 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 of runtime interpreter to invoke.  */
   char *interpreter;


@@ -111,26 +163,19 @@ typedef struct
   /* Big or little endian as set on command line.  */
   enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
 
   /* 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;
-
-  /* If true, build MIPS embedded PIC relocation tables in the output
+  /* If TRUE, build MIPS embedded PIC relocation tables in the output

      file.  */
      file.  */

-  boolean embedded_relocs;
+  bfd_boolean embedded_relocs;

 
 

-  /* If true, force generation of a file with a .exe file. */
-  boolean force_exe_suffix;
+  /* If TRUE, force generation of a file with a .exe file.  */
+  bfd_boolean force_exe_suffix;

 
 

-  /* If true, generate a cross reference report.  */
-  boolean cref;
+  /* If TRUE, generate a cross reference report.  */
+  bfd_boolean cref;

 
 

-  /* If true (which is the default), warn about mismatched input
+  /* If TRUE (which is the default), warn about mismatched input

      files.  */
      files.  */

-  boolean warn_mismatch;
-
-  /* Remove unreferenced sections?  */
-  boolean gc_sections;
+  bfd_boolean warn_mismatch;

 
   /* Name of shared object whose symbol table should be filtered with
      this shared object.  From the --filter option.  */
 
   /* Name of shared object whose symbol table should be filtered with
      this shared object.  From the --filter option.  */


@@ -144,83 +189,132 @@ typedef struct
      .exports sections.  */
   char *version_exports_section;
 
      .exports sections.  */
   char *version_exports_section;
 

-  /* If true (the default) check section addresses, once compute,
+  /* Default linker script.  */
+  char *default_script;
+
+  /* If TRUE (the default) check section addresses, once compute,

      fpor overlaps.  */
      fpor overlaps.  */

-  boolean check_section_addresses;
-  
+  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;
 
 } args_type;
 
 extern args_type command_line;
 
 typedef int token_code_type;
 

-typedef struct 
-{
+typedef struct {

   bfd_size_type specified_data_size;
   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.  */
-  boolean dynamic_link;
+  /* If TRUE, doing a dynamic link.  */
+  bfd_boolean dynamic_link;

 
 

-  /* If true, -shared is supported.  */
+  /* 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.  */
   /* ??? 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;
+  bfd_boolean has_shared;

 
 

-  /* If true, build constructors.  */
-  boolean build_constructors;
+  /* If TRUE, build constructors.  */
+  bfd_boolean build_constructors;

 
 

-  /* If true, warn about any constructors.  */
-  boolean warn_constructors;
+  /* If TRUE, warn about any constructors.  */
+  bfd_boolean warn_constructors;

 
 

-  /* If true, warn about merging common symbols with others.  */
-  boolean warn_common;
+  /* If TRUE, warn about merging common symbols with others.  */
+  bfd_boolean warn_common;

 
 

-  /* If true, only warn once about a particular undefined symbol.  */
-  boolean warn_once;
+  /* If TRUE, only warn once about a particular undefined symbol.  */
+  bfd_boolean warn_once;

 
 

-  /* If true, warn if multiple global-pointers are needed (Alpha
+  /* If TRUE, warn if multiple global-pointers are needed (Alpha

      only).  */
      only).  */

-  boolean warn_multiple_gp;
+  bfd_boolean warn_multiple_gp;

 
 

-  /* If true, warn if the starting address of an output section
+  /* If TRUE, warn if the starting address of an output section

      changes due to the alignment of an input section.  */
      changes due to the alignment of an input section.  */

-  boolean warn_section_align;
+  bfd_boolean warn_section_align;

 
 

-  boolean sort_common;
+  /* If TRUE, warning messages are fatal */
+  bfd_boolean fatal_warnings;

 
 

-  boolean text_read_only;
+  bfd_boolean sort_common;
+
+  bfd_boolean text_read_only;

 
   char *map_filename;
   FILE *map_file;
 
 
   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;

 
 

-  int split_by_reloc;
-  boolean split_by_file;
+  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;
 
 } 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 boolean had_script;
-extern boolean force_make_executable;
+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;
 
 
 /* Non-zero if we are processing a --defsym from the command line.  */
 extern int parsing_defsym;
 

-extern int yyparse PARAMS ((void));
+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 void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma));
-extern void output_cref PARAMS ((FILE *));
-extern void check_nocrossrefs PARAMS ((void));
+#undef abort
+#define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)

 
 #endif
 
 #endif