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Diffstat (limited to 'khtml/misc/arena.h')
| -rw-r--r-- | khtml/misc/arena.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/khtml/misc/arena.h b/khtml/misc/arena.h deleted file mode 100644 index 6415b00bb..000000000 --- a/khtml/misc/arena.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Copyright (C) 1998-2000 Netscape Communications Corporation. - * - * Other contributors: - * Nick Blievers <nickb@adacel.com.au> - * Jeff Hostetler <jeff@nerdone.com> - * Tom Rini <trini@kernel.crashing.org> - * Raffaele Sena <raff@netwinder.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Alternatively, the contents of this file may be used under the terms - * of either the Mozilla Public License Version 1.1, found at - * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public - * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html - * (the "GPL"), in which case the provisions of the MPL or the GPL are - * applicable instead of those above. If you wish to allow use of your - * version of this file only under the terms of one of those two - * licenses (the MPL or the GPL) and not to allow others to use your - * version of this file under the LGPL, indicate your decision by - * deletingthe provisions above and replace them with the notice and - * other provisions required by the MPL or the GPL, as the case may be. - * If you do not delete the provisions above, a recipient may use your - * version of this file under any of the LGPL, the MPL or the GPL. - */ - -#ifndef ARENA_H -#define ARENA_H - - -#if defined(HAVE_VALGRIND_MEMCHECK_H) && !defined(NDEBUG) - -#include <valgrind/memcheck.h> -#define VALGRIND_SUPPORT - -#else - -#define VALGRIND_CREATE_MEMPOOL(base, redZone, zeroed) -#define VALGRIND_DESTROY_MEMPOOL(base) -#define VALGRIND_MEMPOOL_ALLOC(base, addr, size) -#define VALGRIND_MEMPOOL_FREE(base, addr) - -#endif - - -#define ARENA_ALIGN_MASK 3 - -typedef unsigned long uword; - -namespace khtml { - -struct Arena { - Arena* next; // next arena - uword base; // aligned base address - uword limit; // end of arena (1+last byte) - uword avail; // points to next available byte in arena -}; - -struct ArenaPool { - Arena first; // first arena in pool list. - Arena* current; // current arena. - unsigned int arenasize; - unsigned int largealloc; // threshold for fractional allocation strategy - unsigned int cumul; // total bytes in pool. - uword mask; // Mask (power-of-2 - 1) -}; - -void InitArenaPool(ArenaPool *pool, const char *name, - unsigned int size, unsigned int align); -void FinishArenaPool(ArenaPool *pool); -void FreeArenaPool(ArenaPool *pool); -void* ArenaAllocate(ArenaPool *pool, unsigned int nb); -void ArenaFinish(void); - -#define ARENA_ALIGN(pool, n) (((uword)(n) + ARENA_ALIGN_MASK) & ~ARENA_ALIGN_MASK) -#define INIT_ARENA_POOL(pool, name, size) \ - InitArenaPool(pool, name, size, ARENA_ALIGN_MASK + 1) - -#define ARENA_ALLOCATE(p, pool, nb) \ - Arena *_a = (pool)->current; \ - unsigned int _nb = ARENA_ALIGN(pool, nb); \ - uword _p = _a->avail; \ - uword _q = _p + _nb; \ - if (_q > _a->limit) \ - _p = (uword)ArenaAllocate(pool, _nb); \ - else { \ - VALGRIND_MEMPOOL_ALLOC(_a->base, p, nb); \ - _a->avail = _q; \ - } \ - p = (void *)_p; - - -#define ARENA_MARK(pool) ((void *) (pool)->current->avail) -#define UPTRDIFF(p,q) ((uword)(p) - (uword)(q)) - -#ifdef DEBUG -#define FREE_PATTERN 0xDA -#define CLEAR_UNUSED(a) (assert((a)->avail <= (a)->limit), \ - memset((void*)(a)->avail, FREE_PATTERN, \ - (a)->limit - (a)->avail)) -#define CLEAR_ARENA(a) memset((void*)(a), FREE_PATTERN, \ - (a)->limit - (uword)(a)) -#else -#define CLEAR_UNUSED(a) -#define CLEAR_ARENA(a) -#endif - - -} // namespace - -#endif |