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Align `sos_memory' to MAX_ALIGN

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We give aligned pointers from the `sos_memory' array, so any non-aligned
bytes are only wasted.
This commit is contained in:
Tommi Rantala 2012-09-19 13:59:41 +03:00
parent c36a14f245
commit 26fc1563fb
2 changed files with 4 additions and 1 deletions
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2
include/compiler.h
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@ -31,6 +31,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define COMPILER_H
#ifdef __GNUC__
# define ALIGNED(x) __attribute__((aligned(x)))
# define UNUSED __attribute__((unused))
# define NORETURN __attribute__((noreturn))
# define ALIAS(name) __attribute__((alias (#name)))
@ -51,6 +52,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
# define unlikely(x) (x)
# endif
#else
# define ALIGNED(x)
# define ALWAYS_INLINE
# define UNUSED
# define NORETURN

3
src/mi/mempool.c
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@ -1,6 +1,7 @@
/* libunwind - a platform-independent unwind library
Copyright (C) 2002-2003, 2005 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
This file is part of libunwind.
@ -38,7 +39,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
# define MAX_ALIGN MAX_ALIGN_(sizeof (long double))
#endif
static char sos_memory[SOS_MEMORY_SIZE];
static char sos_memory[SOS_MEMORY_SIZE] ALIGNED(MAX_ALIGN);
static char *sos_memp;
static size_t pg_size;