synchronise include/elf/dwarf.h with GCC

[Ben Elliston <bje at au1 dot ibm dot com>]

I'm not sure how important it is to do so, but I've merged GCC's dwarf.h with
src/include/elf/dwarf.h (leaving only minor differences).  Okay for mainline?


2005-03-18  Ben Elliston  <bje@au.ibm.com>

        * dwarf.h: Merge with GCC's dwarf.h.

Index: dwarf.h
===================================================================
RCS file: /home/bje/src-cvs/src/include/elf/dwarf.h,v
retrieving revision 1.3
diff -u -p -r1.3 dwarf.h
--- dwarf.h     14 Mar 2001 02:27:44 -0000      1.3
+++ dwarf.h     18 Mar 2005 03:54:21 -0000
@@ -1,25 +1,26 @@
 /* Declarations and definitions of codes relating to the DWARF symbolic
    debugging information format.

-   Written by Ron Guilmette (rfg@ncd.com)
+   Written by Ron Guilmette (rfg@netcom.com)

-Copyright 1992, 1993, 1995, 1999 Free Software Foundation, Inc.
+Copyright 1992, 1993, 1995, 1999, 2005 Free Software Foundation, Inc.

-This file is part of GNU CC.
+This file is part of GCC.

-GNU CC 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.
+GCC 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.

-GNU CC 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.
+GCC 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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA.  */
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */

 /* This file is derived from the DWARF specification (a public document)
    Revision 1.0.1 (April 8, 1992) developed by the UNIX International
@@ -170,8 +171,8 @@ enum dwarf_attribute {
     AT_body_end                        = (0x8050|FORM_ADDR)
 };

-#define AT_lo_user     0x8000  /* implementation-defined range start */
-#define AT_hi_user     0xffff  /* implementation-defined range end */
+#define AT_lo_user     0x2000  /* implementation-defined range start */
+#define AT_hi_user     0x3ff0  /* implementation-defined range end */

 /* Location atom names and codes.  */

@@ -182,7 +183,11 @@ enum dwarf_location_atom {
     OP_CONST   = 0x04,
     OP_DEREF2  = 0x05,
     OP_DEREF4  = 0x06,
-    OP_ADD     = 0x07
+    OP_ADD     = 0x07,
+
+    /* GNU extensions.  */
+
+    OP_MULT    = 0x80
 };

 #define OP_LO_USER     0x80  /* implementation-defined range start */
@@ -217,7 +222,7 @@ enum dwarf_fundamental_type {

     /* GNU extensions
        The low order byte must indicate the size (in bytes) for the type.
-       All of these types will probably break "classic" svr4 SDB */
+       All of these types will probably break "classic" svr4 SDB.  */

     FT_long_long       = 0x8008,
     FT_signed_long_long        = 0x8108,
@@ -235,6 +240,9 @@ enum dwarf_fundamental_type {
     FT_int64           = 0x9908,
     FT_signed_int64    = 0x9a08,
     FT_unsigned_int64  = 0x9b08,
+    FT_int128          = 0x9c10,
+    FT_signed_int128   = 0x9d10,
+    FT_unsigned_int128 = 0x9e10,

     FT_real32          = 0xa004,
     FT_real64          = 0xa108,
@@ -280,10 +288,10 @@ enum dwarf_subscr_data_formats {

 /* Derived from above for ease of use.  */

-#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _UB_CONST_P, _LB_CONST_P) \
+#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \
  (((_FUNDAMENTAL_TYPE_P) ? 0 : 4)      \
-  | ((_UB_CONST_P) ? 0 : 2)            \
-  | ((_LB_CONST_P) ? 0 : 1))
+  | ((_LB_CONST_P) ? 0 : 2)            \
+  | ((_UB_CONST_P) ? 0 : 1))

 /* Source language names and codes.  */

@@ -298,11 +306,7 @@ enum dwarf_source_language {
     LANG_FORTRAN90     = 0x00000008,
     LANG_PASCAL83      = 0x00000009,
     LANG_MODULA2       = 0x0000000a,
-
-    /* GNU extensions */
-
-    LANG_CHILL         = 0x00009af3,   /* random value for GNU Chill */
-    LANG_JAVA          = 0x00009af4    /* random value + 1 for GNU Java */
+    LANG_JAVA          = 0x0000000b
 };

 #define LANG_lo_user   0x00008000  /* implementation-defined range start */

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