/* Block-related functions for the GNU debugger, GDB.
- Copyright 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2007 Free Software Foundation, Inc.
This file is part of GDB.
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "block.h"
Return zero otherwise. */
int
-contained_in (struct block *a, struct block *b)
+contained_in (const struct block *a, const struct block *b)
{
if (!a || !b)
return 0;
lexical block, described by a struct block BL. */
struct symbol *
-block_function (struct block *bl)
+block_function (const struct block *bl)
{
while (BLOCK_FUNCTION (bl) == 0 && BLOCK_SUPERBLOCK (bl) != 0)
bl = BLOCK_SUPERBLOCK (bl);
is NULL, we don't pass this information back to the caller. */
struct blockvector *
-blockvector_for_pc_sect (register CORE_ADDR pc, struct sec *section,
+blockvector_for_pc_sect (CORE_ADDR pc, struct bfd_section *section,
int *pindex, struct symtab *symtab)
{
- register struct block *b;
- register int bot, top, half;
+ struct block *b;
+ int bot, top, half;
struct blockvector *bl;
if (symtab == 0) /* if no symtab specified by caller */
{
/* First search all symtabs for one whose file contains our pc */
- if ((symtab = find_pc_sect_symtab (pc, section)) == 0)
+ symtab = find_pc_sect_symtab (pc, section);
+ if (symtab == 0)
return 0;
}
Backward compatibility, no section. */
struct blockvector *
-blockvector_for_pc (register CORE_ADDR pc, int *pindex)
+blockvector_for_pc (CORE_ADDR pc, int *pindex)
{
return blockvector_for_pc_sect (pc, find_pc_mapped_section (pc),
pindex, NULL);
in the specified section, or 0 if there is none. */
struct block *
-block_for_pc_sect (register CORE_ADDR pc, struct sec *section)
+block_for_pc_sect (CORE_ADDR pc, struct bfd_section *section)
{
- register struct blockvector *bl;
+ struct blockvector *bl;
int index;
bl = blockvector_for_pc_sect (pc, section, &index, NULL);
or 0 if there is none. Backward compatibility, no section. */
struct block *
-block_for_pc (register CORE_ADDR pc)
+block_for_pc (CORE_ADDR pc)
{
return block_for_pc_sect (pc, find_pc_mapped_section (pc));
}
return block;
}
+
+/* Allocate a block on OBSTACK, and initialize its elements to
+ zero/NULL. This is useful for creating "dummy" blocks that don't
+ correspond to actual source files.
+
+ Warning: it sets the block's BLOCK_DICT to NULL, which isn't a
+ valid value. If you really don't want the block to have a
+ dictionary, then you should subsequently set its BLOCK_DICT to
+ dict_create_linear (obstack, NULL). */
+
+struct block *
+allocate_block (struct obstack *obstack)
+{
+ struct block *bl = obstack_alloc (obstack, sizeof (struct block));
+
+ BLOCK_START (bl) = 0;
+ BLOCK_END (bl) = 0;
+ BLOCK_FUNCTION (bl) = NULL;
+ BLOCK_SUPERBLOCK (bl) = NULL;
+ BLOCK_DICT (bl) = NULL;
+ BLOCK_NAMESPACE (bl) = NULL;
+ BLOCK_GCC_COMPILED (bl) = 0;
+
+ return bl;
+}