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0589ca4e7b
gdb has some extensions and helpers for working with the libiberty hash table. This patch consolidates these and moves them to gdbsupport.
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/* Hash table wrappers for gdb.
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Copyright (C) 2021 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "common-defs.h"
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#include "gdb-hashtab.h"
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/* Allocation function for the libiberty hash table which uses an
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obstack. The obstack is passed as DATA. */
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void *
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hashtab_obstack_allocate (void *data, size_t size, size_t count)
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{
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size_t total = size * count;
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void *ptr = obstack_alloc ((struct obstack *) data, total);
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memset (ptr, 0, total);
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return ptr;
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}
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/* Trivial deallocation function for the libiberty splay tree and hash
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table - don't deallocate anything. Rely on later deletion of the
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obstack. DATA will be the obstack, although it is not needed
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here. */
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void
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dummy_obstack_deallocate (void *object, void *data)
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{
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return;
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}
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