Merge GDB 7.5.1

gdb/testsuite/gdb.dwarf2/dw4-sig-type-unused.S

 /* Copyright 2011-2012 Free Software Foundation, Inc.
 
    This program 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 3 of the License, or
    (at your option) any later version.
 
    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
         .section        .debug_info
 debug_start:
-        .long   debug_end - 1f  /* Length of Compilation Unit Info */
+        .4byte  debug_end - 1f  /* Length of Compilation Unit Info */
 1:
         .2byte  0x4     /* DWARF version number */
-        .long   .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
+        .4byte  .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
         .byte   0x4     /* Pointer Size (in bytes) */
         .uleb128 0x3    /* (DIE (0xb) DW_TAG_compile_unit) */
         .ascii "GNU C 4.4.3\0"  /* DW_AT_producer */
         .byte   0x0c    /* DW_AT_language = DW_LANG_C99 */
         .ascii "1.c\0"  /* DW_AT_name */
 debug_end:
 
         .section        .debug_types
 types_start:
         .macro  unit sig1 sig2 name
-        .long   2f - 1f /* Length of Compilation Unit Info */
+        .4byte  2f - 1f /* Length of Compilation Unit Info */
 1:
         .2byte  0x4     /* DWARF version number */
-        .long   .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
+        .4byte  .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
         .byte   0x4     /* Pointer Size (in bytes) */
         /* signature */
         .4byte  \sig1
         .4byte  \sig2
-        .long   3f-types_start  /* offset into type DIE */
+        .4byte  3f-types_start  /* offset into type DIE */
         .uleb128 0x1    /* DW_TAG_type_unit) */
         .byte   0x0c    /* DW_AT_language = DW_LANG_C99 */
 3:
         .uleb128 0x2    /* DW_TAG_structure_type */
         .ascii  "\name" /* DW_AT_name ... */
         .byte   0       /* ... DW_AT_name */
         .4byte  0       /* DW_AT_byte_size */
         .byte   0x0     /* end of children of CU */
 2:
         .endm
 
         unit    0x01234567, 0x01234567, foo
         /* One duplicate.  */
         unit    0x01234567, 0x01234567, foo
         /* One different, but still unused.  */
         unit    0x89abcdef, 0x89abcdef, bar
 
         .section        .debug_abbrev
 .Ldebug_abbrev0:
         .uleb128 0x1    /* (abbrev code) */
-        .uleb128 0x11   /* (TAG: DW_TAG_type_unit) */
+        .uleb128 0x41   /* (TAG: DW_TAG_type_unit) */
         .byte   0x1     /* DW_children_yes */
         .uleb128 0x13   /* (DW_AT_language) */
         .uleb128 0xb    /* (DW_FORM_data1) */
         .byte   0x0
         .byte   0x0
         .uleb128 0x2    /* (abbrev code) */
         .uleb128 0x13   /* (TAG: DW_TAG_structure_type) */
         .byte   0x0     /* DW_children_no */
         .uleb128 0x3    /* (DW_AT_name) */
         .uleb128 0x8    /* (DW_FORM_string) */
         .uleb128 0x0b   /* (DW_AT_byte_size) */
         .uleb128 0x6    /* (DW_FORM_data4) */
         .byte   0x0
         .byte   0x0
         .uleb128 0x3    /* (abbrev code) */
         .uleb128 0x11   /* (TAG: DW_TAG_compile_unit) */
         .byte   0x0     /* DW_children_no */
         .uleb128 0x25   /* (DW_AT_producer) */
         .uleb128 0x8    /* (DW_FORM_string) */
         .uleb128 0x13   /* (DW_AT_language) */
         .uleb128 0xb    /* (DW_FORM_data1) */
         .uleb128 0x3    /* (DW_AT_name) */
         .uleb128 0x8    /* (DW_FORM_string) */
         .byte   0x0
         .byte   0x0
         .byte   0x0