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Diffstat (limited to 'gcc/config/i386/pmm_malloc.h')
-rw-r--r-- | gcc/config/i386/pmm_malloc.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/config/i386/pmm_malloc.h b/gcc/config/i386/pmm_malloc.h new file mode 100644 index 000000000..0a9f2e227 --- /dev/null +++ b/gcc/config/i386/pmm_malloc.h @@ -0,0 +1,57 @@ +/* Copyright (C) 2004, 2006, 2009 Free Software Foundation, Inc. + + This file is part of GCC. + + 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 3, or (at your option) + any later version. + + 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. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MM_MALLOC_H_INCLUDED +#define _MM_MALLOC_H_INCLUDED + +#include <stdlib.h> + +/* We can't depend on <stdlib.h> since the prototype of posix_memalign + may not be visible. */ +#ifndef __cplusplus +extern int posix_memalign (void **, size_t, size_t); +#else +extern "C" int posix_memalign (void **, size_t, size_t) throw (); +#endif + +static __inline void * +_mm_malloc (size_t size, size_t alignment) +{ + void *ptr; + if (alignment == 1) + return malloc (size); + if (alignment == 2 || (sizeof (void *) == 8 && alignment == 4)) + alignment = sizeof (void *); + if (posix_memalign (&ptr, alignment, size) == 0) + return ptr; + else + return NULL; +} + +static __inline void +_mm_free (void * ptr) +{ + free (ptr); +} + +#endif /* _MM_MALLOC_H_INCLUDED */ |