2003-09-26 Matt Thomas <matt@3am-software.com>

[deliverable/binutils-gdb.git] / gas / config / obj-elf.h

diff --git a/gas/config/obj-elf.h b/gas/config/obj-elf.h
index abd7a00cbd5ccf89d41f0410c1138a5ea72f471c..641a37320dcd932f7b9348525ba3daf164c9657d 100644 (file)
--- a/gas/config/obj-elf.h
+++ b/gas/config/obj-elf.h
@@ -1,11 +1,12 @@
 /* ELF object file format.
 /* ELF object file format.

-   Copyright (C) 1992, 93, 94, 95, 1996 Free Software Foundation, Inc.
+   Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+   Free Software Foundation, Inc.

 
    This file is part of GAS, the GNU Assembler.
 
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This file is part of GAS, the GNU Assembler.
 
    GAS 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.
 
    GAS is distributed in the hope that it will be useful,
    any later version.
 
    GAS is distributed in the hope that it will be useful,


@@ -18,7 +19,6 @@
    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    02111-1307, USA.  */
 
    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    02111-1307, USA.  */
 

-

 /* HP PA-RISC support was contributed by the Center for Software Science
    at the University of Utah.  */
 
 /* HP PA-RISC support was contributed by the Center for Software Science
    at the University of Utah.  */
 


@@ -27,62 +27,180 @@
 
 #define OBJ_ELF 1
 
 
 #define OBJ_ELF 1
 

+/* Note that all macros in this file should be wrapped in #ifndef, for
+   sake of obj-multi.h which includes this file.  */
+
+#ifndef OUTPUT_FLAVOR

 #define OUTPUT_FLAVOR bfd_target_elf_flavour
 #define OUTPUT_FLAVOR bfd_target_elf_flavour

+#endif

 
 

-#include <bfd.h>
+#include "bfd.h"

 
 #define BYTES_IN_WORD 4                /* for now */
 #include "bfd/elf-bfd.h"
 
 
 #define BYTES_IN_WORD 4                /* for now */
 #include "bfd/elf-bfd.h"
 

-/* Use this to keep track of .size expressions that involve differences
-   that we can't compute yet.  */
-#define OBJ_SYMFIELD_TYPE expressionS *
+#include "targ-cpu.h"
+
+#ifdef TC_ALPHA
+#define ECOFF_DEBUGGING (alpha_flag_mdebug > 0)
+extern int alpha_flag_mdebug;
+#endif
+
+/* For now, always set ECOFF_DEBUGGING for a MIPS target.  */
+#ifdef TC_MIPS
+#define ECOFF_DEBUGGING mips_flag_mdebug
+extern int mips_flag_mdebug;
+#endif /* TC_MIPS */
+
+#ifdef OBJ_MAYBE_ECOFF
+#ifndef ECOFF_DEBUGGING
+#define ECOFF_DEBUGGING 1
+#endif
+#endif
+
+/* Additional information we keep for each symbol.  */
+struct elf_obj_sy
+{
+  /* Whether the symbol has been marked as local.  */
+  int local;
+
+  /* Use this to keep track of .size expressions that involve
+     differences that we can't compute yet.  */
+  expressionS *size;
+
+  /* The name specified by the .symver directive.  */
+  char *versioned_name;
+
+#ifdef ECOFF_DEBUGGING
+  /* If we are generating ECOFF debugging information, we need some
+     additional fields for each symbol.  */
+  struct efdr *ecoff_file;
+  struct localsym *ecoff_symbol;
+  valueT ecoff_extern_size;
+#endif
+};
+
+#define OBJ_SYMFIELD_TYPE struct elf_obj_sy

 
 /* Symbol fields used by the ELF back end.  */
 #define ELF_TARGET_SYMBOL_FIELDS int local:1;
 
 /* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead.  */
 
 /* Symbol fields used by the ELF back end.  */
 #define ELF_TARGET_SYMBOL_FIELDS int local:1;
 
 /* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead.  */

+#ifndef TARGET_SYMBOL_FIELDS

 #define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS
 #define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS

+#endif

 
 

-#include "targ-cpu.h"
+/* #include "targ-cpu.h" */

 
 #ifndef FALSE
 #define FALSE 0
 #define TRUE  !FALSE
 #endif
 
 
 #ifndef FALSE
 #define FALSE 0
 #define TRUE  !FALSE
 #endif
 

+#ifndef obj_begin
+#define obj_begin() elf_begin ()
+#endif
+extern void elf_begin PARAMS ((void));
+

 /* should be conditional on address size! */
 /* should be conditional on address size! */

-#define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd))
+#define elf_symbol(asymbol) ((elf_symbol_type *) (&(asymbol)->the_bfd))

 
 

-#define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size)
+#ifndef S_GET_SIZE
+#define S_GET_SIZE(S) \
+  (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_size)
+#endif
+#ifndef S_SET_SIZE

 #define S_SET_SIZE(S,V) \
 #define S_SET_SIZE(S,V) \

-  (elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V))
+  (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_size = (V))
+#endif

 
 

-#define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value)
+#ifndef S_GET_ALIGN
+#define S_GET_ALIGN(S) \
+  (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_value)
+#endif
+#ifndef S_SET_ALIGN

 #define S_SET_ALIGN(S,V) \
 #define S_SET_ALIGN(S,V) \

-  (elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V))
+  (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_value = (V))
+#endif
+
+int elf_s_get_other PARAMS ((symbolS *));
+#ifndef S_GET_OTHER
+#define S_GET_OTHER(S) (elf_s_get_other (S))
+#endif
+#ifndef S_SET_OTHER
+#define S_SET_OTHER(S,V) \
+  (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_other = (V))
+#endif

 
 extern asection *gdb_section;
 
 
 extern asection *gdb_section;
 

-#define obj_frob_file()        elf_frob_file()
+#ifndef obj_sec_set_private_data
+#define obj_sec_set_private_data(B, S) \
+  if (! BFD_SEND ((B), _new_section_hook, ((B), (S)))) \
+    as_fatal (_("can't allocate ELF private section data: %s"),        \
+             bfd_errmsg (bfd_get_error ()))
+#endif

 
 

+#ifndef obj_frob_file
+#define obj_frob_file  elf_frob_file
+#endif

 extern void elf_frob_file PARAMS ((void));
 extern void elf_frob_file PARAMS ((void));

-extern void elf_file_symbol PARAMS ((char *));
+
+#ifndef obj_frob_file_before_adjust
+#define obj_frob_file_before_adjust  elf_frob_file_before_adjust
+#endif
+extern void elf_frob_file_before_adjust PARAMS ((void));
+
+#ifndef obj_frob_file_after_relocs
+#define obj_frob_file_after_relocs  elf_frob_file_after_relocs
+#endif
+extern void elf_frob_file_after_relocs PARAMS ((void));
+
+#ifndef obj_app_file

 #define obj_app_file elf_file_symbol
 #define obj_app_file elf_file_symbol

+#endif
+extern void elf_file_symbol PARAMS ((const char *));
+
+extern void obj_elf_section_change_hook PARAMS ((void));

 
 extern void obj_elf_section PARAMS ((int));
 extern void obj_elf_previous PARAMS ((int));
 extern void obj_elf_version PARAMS ((int));
 
 extern void obj_elf_section PARAMS ((int));
 extern void obj_elf_previous PARAMS ((int));
 extern void obj_elf_version PARAMS ((int));

+extern void obj_elf_common PARAMS ((int));
+extern void obj_elf_data PARAMS ((int));
+extern void obj_elf_text PARAMS ((int));
+extern void obj_elf_change_section
+  PARAMS ((const char *, int, int, int, const char *, int, int));
+extern struct fix *obj_elf_vtable_inherit PARAMS ((int));
+extern struct fix *obj_elf_vtable_entry PARAMS ((int));

 
 /* BFD wants to write the udata field, which is a no-no for the
 
 /* BFD wants to write the udata field, which is a no-no for the

-   globally defined sections.  */
+   predefined section symbols in bfd/section.c.  They are read-only.  */
+#ifndef obj_sec_sym_ok_for_reloc

 #define obj_sec_sym_ok_for_reloc(SEC)  ((SEC)->owner != 0)
 #define obj_sec_sym_ok_for_reloc(SEC)  ((SEC)->owner != 0)

+#endif
+
+void elf_obj_read_begin_hook PARAMS ((void));
+#ifndef obj_read_begin_hook
+#define obj_read_begin_hook    elf_obj_read_begin_hook
+#endif
+
+void elf_obj_symbol_new_hook PARAMS ((symbolS *));
+#ifndef obj_symbol_new_hook
+#define obj_symbol_new_hook    elf_obj_symbol_new_hook
+#endif

 
 

-/* When setting one symbol equal to another, by default we probably
-   want them to have the same "size", whatever it means in the current
-   context.  */
-#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC) \
-  S_SET_SIZE ((DEST), S_GET_SIZE (SRC))
+void elf_copy_symbol_attributes PARAMS ((symbolS *, symbolS *));
+#ifndef OBJ_COPY_SYMBOL_ATTRIBUTES
+#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST, SRC) \
+  (elf_copy_symbol_attributes (DEST, SRC))
+#endif
+
+#ifndef SEPARATE_STAB_SECTIONS
+/* Avoid ifndef each separate macro setting by wrapping the whole of the
+   stab group on the assumption that whoever sets SEPARATE_STAB_SECTIONS
+   caters to ECOFF_DEBUGGING and the right setting of INIT_STAB_SECTIONS
+   and OBJ_PROCESS_STAB too, without needing the tweaks below.  */

 
 /* Stabs go in a separate section.  */
 #define SEPARATE_STAB_SECTIONS 1
 
 /* Stabs go in a separate section.  */
 #define SEPARATE_STAB_SECTIONS 1


@@ -92,43 +210,41 @@ extern void obj_elf_version PARAMS ((int));
 extern void obj_elf_init_stab_section PARAMS ((segT));
 #define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)
 
 extern void obj_elf_init_stab_section PARAMS ((segT));
 #define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)
 

-/* For now, always set ECOFF_DEBUGGING for a MIPS target.  */
-#ifdef TC_MIPS
-#define ECOFF_DEBUGGING 1
-#endif
-
-#if ECOFF_DEBUGGING
-
-/* If we are generating ECOFF debugging information, we need some
-   additional fields for each symbol.  */
-#undef TARGET_SYMBOL_FIELDS
-#define TARGET_SYMBOL_FIELDS \
-  ELF_TARGET_SYMBOL_FIELDS \
-  struct efdr *ecoff_file; \
-  struct localsym *ecoff_symbol; \
-  valueT ecoff_extern_size;
-
+#ifdef ECOFF_DEBUGGING

 /* We smuggle stabs in ECOFF rather than using a separate section.
    The Irix linker can not handle a separate stabs section.  */
 /* We smuggle stabs in ECOFF rather than using a separate section.
    The Irix linker can not handle a separate stabs section.  */

-#undef SEPARATE_STAB_SECTIONS
-#undef INIT_STAB_SECTION
-#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
-  ecoff_stab ((seg), (what), (string), (type), (other), (desc))

 
 

-#define OBJ_GENERATE_ASM_LINENO(filename, lineno) \
-  ecoff_generate_asm_lineno ((filename), (lineno))
+#undef  SEPARATE_STAB_SECTIONS
+#define SEPARATE_STAB_SECTIONS (!ECOFF_DEBUGGING)

 
 

+#undef  INIT_STAB_SECTION
+#define INIT_STAB_SECTION(seg) \
+  ((void) (ECOFF_DEBUGGING ? 0 : (obj_elf_init_stab_section (seg), 0)))
+
+#undef OBJ_PROCESS_STAB
+#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc)         \
+  if (ECOFF_DEBUGGING)                                                 \
+    ecoff_stab ((seg), (what), (string), (type), (other), (desc))

 #endif /* ECOFF_DEBUGGING */
 
 #endif /* ECOFF_DEBUGGING */
 

-extern void elf_frob_symbol PARAMS ((struct symbol *, int *));
+#endif /* SEPARATE_STAB_SECTIONS not defined.  */
+
+extern void elf_frob_symbol PARAMS ((symbolS *, int *));
+#ifndef obj_frob_symbol

 #define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt)
 #define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt)

+#endif

 
 extern void elf_pop_insert PARAMS ((void));
 
 extern void elf_pop_insert PARAMS ((void));

+#ifndef obj_pop_insert

 #define obj_pop_insert()       elf_pop_insert()
 #define obj_pop_insert()       elf_pop_insert()

+#endif

 
 #ifndef OBJ_MAYBE_ELF
 #define obj_ecoff_set_ext elf_ecoff_set_ext
 
 #ifndef OBJ_MAYBE_ELF
 #define obj_ecoff_set_ext elf_ecoff_set_ext

-extern void elf_ecoff_set_ext ();
+#ifdef ANSI_PROTOTYPES
+struct ecoff_extr;
+#endif
+extern void elf_ecoff_set_ext PARAMS ((symbolS *, struct ecoff_extr *));

 #endif
 
 #endif /* _OBJ_ELF_H */
 #endif
 
 #endif /* _OBJ_ELF_H */