+1999-12-09 Andreas Jaeger <aj@suse.de>
+
+ * nis/nss_compat/compat-pwd.c (internal_getpwuid_r): Always set
+ errno to ENOENT when returning NSS_STATUS_NOTFOUND.
+ Reported by Christian Starkjohann <cs@obdev.at>.
+
+1999-12-09 Andreas Jaeger <aj@suse.de>
+
+ * sysdeps/i386/fpu/libm-test-ulps: Added some ulps.
+
+1999-12-09 Jakub Jelinek <jakub@redhat.com>
+
+ * stdlib/longlong.h: Update from latest egcs version.
+
+ * sysdeps/sparc/fpu/fegetenv.c: Add semicolons.
+
+ * sysdeps/unix/sysv/linux/bits/errno.h (__errno_location): __THROW
+ has to preceede __attribute__, otherwise g++ barfs.
+
+ * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Make things compile
+ on sparc64-*-linux.
+
+ * sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h: Changed to
+ use sigcontext.
+ * sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h: Likewise.
+
+1999-12-05 Wolfram Gloger <wg@malloc.de>
+
+ * malloc/malloc.c (arena_get2): If generating a new arena fails,
+ try to generate a minimal one and hope for mmap_chunk() to succeed
+ later.
+
+1999-11-07 Wolfram Gloger <wg@malloc.de>
+
+ * malloc/thread-m.h [NO_THREADS]: The mutex_* macros now let
+ mutex_t work as an `in-use' flag even without threads.
+ * malloc/malloc.c (USE_ARENAS): New feature flag, controls support
+ for multiple arenas separately from NO_THREADS.
+ (mALLOc, chunk_realloc, mEMALIGn, cALLOc) [USE_ARENAS]: try to
+ fall back to an mmap()ed arena when sbrk() has failed.
+
1999-12-09 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/Versions: Add getrlimit, setrlimit,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* V2.6.4-pt3 Thu Feb 20 1997
+/* $Id$
This work is mainly derived from malloc-2.6.4 by Doug Lea
<dl@cs.oswego.edu>, which is available from:
HAVE_MREMAP (default: defined as 0 unless Linux libc set)
Define to non-zero to optionally make realloc() use mremap() to
reallocate very large blocks.
+ USE_ARENAS (default: the same as HAVE_MMAP)
+ Enable support for multiple arenas, allocated using mmap().
malloc_getpagesize (default: derived from system #includes)
Either a constant or routine call returning the system page size.
HAVE_USR_INCLUDE_MALLOC_H (default: NOT defined)
# endif
#else
# include <sys/types.h>
+# if defined _LIBC || defined MALLOC_HOOKS
+extern char* getenv();
+# endif
#endif
#ifndef _LIBC
#endif
/*
- Define HAVE_MMAP to optionally make malloc() use mmap() to
- allocate very large blocks. These will be returned to the
- operating system immediately after a free().
+ Define HAVE_MMAP to optionally make malloc() use mmap() to allocate
+ very large blocks. These will be returned to the operating system
+ immediately after a free(). HAVE_MMAP is also a prerequisite to
+ support multiple `arenas' (see USE_ARENAS below).
*/
#ifndef HAVE_MMAP
#define HAVE_MREMAP defined(__linux__) && !defined(__arm__)
#endif
+/* Define USE_ARENAS to enable support for multiple `arenas'. These
+ are allocated using mmap(), are necessary for threads and
+ occasionally useful to overcome address space limitations affecting
+ sbrk(). */
+
+#ifndef USE_ARENAS
+#define USE_ARENAS HAVE_MMAP
+#endif
+
#if HAVE_MMAP
#include <unistd.h>
#ifdef __cplusplus
-}; /* end of extern "C" */
+} /* end of extern "C" */
#endif
#if !defined(NO_THREADS) && !HAVE_MMAP
"Can't have threads support without mmap"
#endif
+#if USE_ARENAS && !HAVE_MMAP
+"Can't have multiple arenas without mmap"
+#endif
/*
/* A heap is a single contiguous memory region holding (coalesceable)
malloc_chunks. It is allocated with mmap() and always starts at an
- address aligned to HEAP_MAX_SIZE. Not used unless compiling for
- multiple threads. */
+ address aligned to HEAP_MAX_SIZE. Not used unless compiling with
+ USE_ARENAS. */
typedef struct _heap_info {
arena *ar_ptr; /* Arena for this heap. */
static mchunkptr chunk_align(arena *ar_ptr, INTERNAL_SIZE_T nb,
size_t alignment) internal_function;
static int main_trim(size_t pad) internal_function;
-#ifndef NO_THREADS
+#if USE_ARENAS
static int heap_trim(heap_info *heap, size_t pad) internal_function;
#endif
#if defined _LIBC || defined MALLOC_HOOKS
static mchunkptr chunk_realloc();
static mchunkptr chunk_align();
static int main_trim();
-#ifndef NO_THREADS
+#if USE_ARENAS
static int heap_trim();
#endif
#if defined _LIBC || defined MALLOC_HOOKS
/* Thread specific data */
-#ifndef NO_THREADS
static tsd_key_t arena_key;
static mutex_t list_lock = MUTEX_INITIALIZER;
-#endif
#if THREAD_STATS
static int stat_n_heaps = 0;
static unsigned long mmapped_mem = 0;
static unsigned long max_mmapped_mem = 0;
+/* Mapped memory in non-main arenas (reliable only for NO_THREADS). */
+static unsigned long arena_mem = 0;
+
\f
#ifndef _LIBC
#endif
{
#if defined _LIBC || defined MALLOC_HOOKS
+# if __STD_C
const char* s;
+# else
+ char* s;
+# endif
#endif
if(__malloc_initialized >= 0) return;
if (__pthread_initialize != NULL)
__pthread_initialize();
#endif
+#endif /* !defined NO_THREADS */
mutex_init(&main_arena.mutex);
mutex_init(&list_lock);
tsd_key_create(&arena_key, NULL);
tsd_setspecific(arena_key, (Void_t *)&main_arena);
thread_atfork(ptmalloc_lock_all, ptmalloc_unlock_all, ptmalloc_init_all);
-#endif /* !defined NO_THREADS */
#if defined _LIBC || defined MALLOC_HOOKS
if((s = __secure_getenv("MALLOC_TRIM_THRESHOLD_")))
mALLOPt(M_TRIM_THRESHOLD, atoi(s));
#if defined __GNUC__ && __GNUC__ >= 2
/* This function is only called from one place, inline it. */
-inline
+__inline__
#endif
static mchunkptr
internal_function
if ((unsigned long)mmapped_mem > (unsigned long)max_mmapped_mem)
max_mmapped_mem = mmapped_mem;
#ifdef NO_THREADS
- if ((unsigned long)(mmapped_mem + sbrked_mem) > (unsigned long)max_total_mem)
- max_total_mem = mmapped_mem + sbrked_mem;
+ if ((unsigned long)(mmapped_mem + arena_mem + sbrked_mem) > max_total_mem)
+ max_total_mem = mmapped_mem + arena_mem + sbrked_mem;
#endif
return p;
}
if ((unsigned long)mmapped_mem > (unsigned long)max_mmapped_mem)
max_mmapped_mem = mmapped_mem;
#ifdef NO_THREADS
- if ((unsigned long)(mmapped_mem + sbrked_mem) > (unsigned long)max_total_mem)
- max_total_mem = mmapped_mem + sbrked_mem;
+ if ((unsigned long)(mmapped_mem + arena_mem + sbrked_mem) > max_total_mem)
+ max_total_mem = mmapped_mem + arena_mem + sbrked_mem;
#endif
return p;
}
/* Managing heaps and arenas (for concurrent threads) */
-#ifndef NO_THREADS
+#if USE_ARENAS
/* Create a new heap. size is automatically rounded up to a multiple
of the page size. */
/* Try to re-map the extra heap space freshly to save memory, and
make it inaccessible. */
if((char *)MMAP((char *)h + new_size, -diff, PROT_NONE,
- MAP_PRIVATE|MAP_FIXED) == (char *) MAP_FAILED)
+ MAP_PRIVATE|MAP_FIXED) == (char *) MAP_FAILED)
return -2;
}
h->size = new_size;
First, try the one last locked successfully by this thread. (This
is the common case and handled with a macro for speed.) Then, loop
once over the circularly linked list of arenas. If no arena is
- readily available, create a new one. */
+ readily available, create a new one. In this latter case, `size'
+ is just a hint as to how much memory will be required immediately
+ in the new arena. */
#define arena_get(ptr, size) do { \
Void_t *vptr = NULL; \
/* Nothing immediately available, so generate a new arena. */
h = new_heap(size + (sizeof(*h) + sizeof(*a) + MALLOC_ALIGNMENT));
- if(!h)
- return 0;
+ if(!h) {
+ /* Maybe size is too large to fit in a single heap. So, just try
+ to create a minimally-sized arena and let chunk_alloc() attempt
+ to deal with the large request via mmap_chunk(). */
+ h = new_heap(sizeof(*h) + sizeof(*a) + MALLOC_ALIGNMENT);
+ if(!h)
+ return 0;
+ }
a = h->ar_ptr = (arena *)(h+1);
for(i=0; i<NAV; i++)
init_bin(a, i);
a->next = NULL;
a->size = h->size;
+ arena_mem += h->size;
+#ifdef NO_THREADS
+ if((unsigned long)(mmapped_mem + arena_mem + sbrked_mem) > max_total_mem)
+ max_total_mem = mmapped_mem + arena_mem + sbrked_mem;
+#endif
tsd_setspecific(arena_key, (Void_t *)a);
mutex_init(&a->mutex);
i = mutex_lock(&a->mutex); /* remember result */
(((mchunkptr)(ptr) < top(&main_arena) && (char *)(ptr) >= sbrk_base) ? \
&main_arena : heap_for_ptr(ptr)->ar_ptr)
-#else /* defined(NO_THREADS) */
+#else /* !USE_ARENAS */
-/* Without concurrent threads, there is only one arena. */
+/* There is only one arena, main_arena. */
#define arena_get(ptr, sz) (ptr = &main_arena)
#define arena_for_ptr(ptr) (&main_arena)
-#endif /* !defined(NO_THREADS) */
+#endif /* USE_ARENAS */
\f
/* No checkable chunk is mmapped */
assert(!chunk_is_mmapped(p));
-#ifndef NO_THREADS
+#if USE_ARENAS
if(ar_ptr != &main_arena) {
heap_info *heap = heap_for_ptr(p);
assert(heap->ar_ptr == ar_ptr);
#if defined __GNUC__ && __GNUC__ >= 2
/* This function is called only from one place, inline it. */
-inline
+__inline__
#endif
static void
internal_function
INTERNAL_SIZE_T old_top_size = chunksize(old_top);
INTERNAL_SIZE_T top_size; /* new size of top chunk */
-#ifndef NO_THREADS
+#if USE_ARENAS
if(ar_ptr == &main_arena) {
#endif
if ((unsigned long)sbrked_mem > (unsigned long)max_sbrked_mem)
max_sbrked_mem = sbrked_mem;
#ifdef NO_THREADS
- if ((unsigned long)(mmapped_mem + sbrked_mem) >
- (unsigned long)max_total_mem)
- max_total_mem = mmapped_mem + sbrked_mem;
+ if ((unsigned long)(mmapped_mem + arena_mem + sbrked_mem) > max_total_mem)
+ max_total_mem = mmapped_mem + arena_mem + sbrked_mem;
#endif
-#ifndef NO_THREADS
+#if USE_ARENAS
} else { /* ar_ptr != &main_arena */
heap_info *old_heap, *heap;
size_t old_heap_size;
old_heap_size = old_heap->size;
if(grow_heap(old_heap, MINSIZE + nb - old_top_size) == 0) {
ar_ptr->size += old_heap->size - old_heap_size;
+ arena_mem += old_heap->size - old_heap_size;
+#ifdef NO_THREADS
+ if(mmapped_mem + arena_mem + sbrked_mem > max_total_mem)
+ max_total_mem = mmapped_mem + arena_mem + sbrked_mem;
+#endif
top_size = ((char *)old_heap + old_heap->size) - (char *)old_top;
set_head(old_top, top_size | PREV_INUSE);
return;
heap->ar_ptr = ar_ptr;
heap->prev = old_heap;
ar_ptr->size += heap->size;
+ arena_mem += heap->size;
+#ifdef NO_THREADS
+ if((unsigned long)(mmapped_mem + arena_mem + sbrked_mem) > max_total_mem)
+ max_total_mem = mmapped_mem + arena_mem + sbrked_mem;
+#endif
/* Set up the new top, so we can safely use chunk_free() below. */
top(ar_ptr) = chunk_at_offset(heap, sizeof(*heap));
top_size = heap->size - sizeof(*heap);
set_head(top(ar_ptr), top_size | PREV_INUSE);
}
-#endif /* !defined(NO_THREADS) */
+#endif /* USE_ARENAS */
/* We always land on a page boundary */
assert(((unsigned long)((char*)top(ar_ptr) + top_size) & (pagesz-1)) == 0);
if(!ar_ptr)
return 0;
victim = chunk_alloc(ar_ptr, nb);
- (void)mutex_unlock(&ar_ptr->mutex);
if(!victim) {
/* Maybe the failure is due to running out of mmapped areas. */
if(ar_ptr != &main_arena) {
+ (void)mutex_unlock(&ar_ptr->mutex);
(void)mutex_lock(&main_arena.mutex);
victim = chunk_alloc(&main_arena, nb);
(void)mutex_unlock(&main_arena.mutex);
+ } else {
+#if USE_ARENAS
+ /* ... or sbrk() has failed and there is still a chance to mmap() */
+ ar_ptr = arena_get2(ar_ptr->next ? ar_ptr : 0, nb);
+ (void)mutex_unlock(&main_arena.mutex);
+ if(ar_ptr) {
+ victim = chunk_alloc(ar_ptr, nb);
+ (void)mutex_unlock(&ar_ptr->mutex);
+ }
+#endif
}
if(!victim) return 0;
- }
+ } else
+ (void)mutex_unlock(&ar_ptr->mutex);
return chunk2mem(victim);
}
if (!(hd & PREV_INUSE)) /* consolidate backward */
{
prevsz = p->prev_size;
- p = chunk_at_offset(p, -prevsz);
+ p = chunk_at_offset(p, -(long)prevsz);
sz += prevsz;
unlink(p, bck, fwd);
}
set_head(p, sz | PREV_INUSE);
top(ar_ptr) = p;
-#ifndef NO_THREADS
+#if USE_ARENAS
if(ar_ptr == &main_arena) {
#endif
if ((unsigned long)(sz) >= (unsigned long)trim_threshold)
main_trim(top_pad);
-#ifndef NO_THREADS
+#if USE_ARENAS
} else {
heap_info *heap = heap_for_ptr(p);
if (!(hd & PREV_INUSE)) /* consolidate backward */
{
prevsz = p->prev_size;
- p = chunk_at_offset(p, -prevsz);
+ p = chunk_at_offset(p, -(long)prevsz);
sz += prevsz;
if (p->fd == last_remainder(ar_ptr)) /* keep as last_remainder */
if (!islr)
frontlink(ar_ptr, p, sz, idx, bck, fwd);
-#ifndef NO_THREADS
+#if USE_ARENAS
/* Check whether the heap containing top can go away now. */
if(next->size < MINSIZE &&
(unsigned long)sz > trim_threshold &&
(void)mutex_lock(&main_arena.mutex);
newp = chunk_alloc(&main_arena, nb);
(void)mutex_unlock(&main_arena.mutex);
+ } else {
+#if USE_ARENAS
+ /* ... or sbrk() has failed and there is still a chance to mmap() */
+ arena* ar_ptr2 = arena_get2(ar_ptr->next ? ar_ptr : 0, nb);
+ if(ar_ptr2) {
+ newp = chunk_alloc(ar_ptr2, nb);
+ (void)mutex_unlock(&ar_ptr2->mutex);
+ }
+#endif
}
if (newp == 0) /* propagate failure */
return 0;
(void)mutex_lock(&main_arena.mutex);
p = chunk_align(&main_arena, nb, alignment);
(void)mutex_unlock(&main_arena.mutex);
+ } else {
+#if USE_ARENAS
+ /* ... or sbrk() has failed and there is still a chance to mmap() */
+ ar_ptr = arena_get2(ar_ptr->next ? ar_ptr : 0, nb);
+ if(ar_ptr) {
+ p = chunk_align(ar_ptr, nb, alignment);
+ (void)mutex_unlock(&ar_ptr->mutex);
+ }
+#endif
}
if(!p) return 0;
}
if (p == 0)
return 0; /* propagate failure */
- m = chunk2mem(p);
+ m = (char*)chunk2mem(p);
if ((((unsigned long)(m)) % alignment) == 0) /* aligned */
{
this is always possible.
*/
- brk = (char*)mem2chunk(((unsigned long)(m + alignment - 1)) & -alignment);
+ brk = (char*)mem2chunk(((unsigned long)(m + alignment - 1)) &
+ -(long)alignment);
if ((long)(brk - (char*)(p)) < (long)MINSIZE) brk += alignment;
newp = (mchunkptr)brk;
oldtopsize = chunksize(top(ar_ptr));
#if MORECORE_CLEARS < 2
/* Only newly allocated memory is guaranteed to be cleared. */
- if (oldtopsize < sbrk_base + max_sbrked_mem - (char *)oldtop)
+ if (ar_ptr == &main_arena &&
+ oldtopsize < sbrk_base + max_sbrked_mem - (char *)oldtop)
oldtopsize = (sbrk_base + max_sbrked_mem - (char *)oldtop);
#endif
#endif
(void)mutex_lock(&main_arena.mutex);
p = chunk_alloc(&main_arena, sz);
(void)mutex_unlock(&main_arena.mutex);
+ } else {
+#if USE_ARENAS
+ /* ... or sbrk() has failed and there is still a chance to mmap() */
+ (void)mutex_lock(&main_arena.mutex);
+ ar_ptr = arena_get2(ar_ptr->next ? ar_ptr : 0, sz);
+ (void)mutex_unlock(&main_arena.mutex);
+ if(ar_ptr) {
+ p = chunk_alloc(ar_ptr, sz);
+ (void)mutex_unlock(&ar_ptr->mutex);
+ }
+#endif
}
if (p == 0) return 0;
}
void cfree(mem) Void_t *mem;
#endif
{
- free(mem);
+ fREe(mem);
}
#endif
return 1;
}
-#ifndef NO_THREADS
+#if USE_ARENAS
static int
internal_function
if(new_size + (HEAP_MAX_SIZE - prev_heap->size) < pad + MINSIZE + pagesz)
break;
ar_ptr->size -= heap->size;
+ arena_mem -= heap->size;
delete_heap(heap);
heap = prev_heap;
if(!prev_inuse(p)) { /* consolidate backward */
if(grow_heap(heap, -extra) != 0)
return 0;
ar_ptr->size -= extra;
+ arena_mem -= extra;
/* Success. Adjust top accordingly. */
set_head(top_chunk, (top_size - extra) | PREV_INUSE);
return 1;
}
-#endif
+#endif /* USE_ARENAS */
\f
(void)mutex_unlock(&ar_ptr->mutex);
}
-#if !defined(NO_THREADS) && MALLOC_DEBUG > 1
+#if USE_ARENAS && MALLOC_DEBUG > 1
/* Print the complete contents of a single heap to stderr. */
stat_lock_loop += ar_ptr->stat_lock_loop;
stat_lock_wait += ar_ptr->stat_lock_wait;
#endif
-#if !defined(NO_THREADS) && MALLOC_DEBUG > 1
+#if USE_ARENAS && MALLOC_DEBUG > 1
if(ar_ptr != &main_arena) {
heap_info *heap;
(void)mutex_lock(&ar_ptr->mutex);
case M_TOP_PAD:
top_pad = value; return 1;
case M_MMAP_THRESHOLD:
-#ifndef NO_THREADS
+#if USE_ARENAS
/* Forbid setting the threshold too high. */
if((unsigned long)value > HEAP_MAX_SIZE/2) return 0;
#endif
unsigned int max_n_mmaps;
unsigned long mmapped_mem;
unsigned long max_mmapped_mem;
- int using_malloc_checking;
+ int using_malloc_checking;
};
Void_t*
/* Check whether it is safe to enable malloc checking, or whether
it is necessary to disable it. */
if (ms->using_malloc_checking && !using_malloc_checking &&
- !disallow_malloc_check)
+ !disallow_malloc_check)
__malloc_check_init ();
else if (!ms->using_malloc_checking && using_malloc_checking) {
__malloc_hook = 0;
oldp = mem2chunk_check(oldmem);
if(!oldp) {
(void)mutex_unlock(&main_arena.mutex);
- if (check_action & 1)
+ if(check_action & 1)
fprintf(stderr, "realloc(): invalid pointer %p!\n", oldmem);
- if (check_action & 2)
+ if(check_action & 2)
abort();
return malloc_check(bytes, NULL);
}
typedef int thread_id;
+/* The mutex functions used to do absolutely nothing, i.e. lock,
+ trylock and unlock would always just return 0. However, even
+ without any concurrently active threads, a mutex can be used
+ legitimately as an `in use' flag. To make the code that is
+ protected by a mutex async-signal safe, these macros would have to
+ be based on atomic test-and-set operations, for example. */
typedef int mutex_t;
#define MUTEX_INITIALIZER 0
#define mutex_init(m) (*(m) = 0)
-#define mutex_lock(m) (0)
-#define mutex_trylock(m) (0)
-#define mutex_unlock(m) (0)
+#define mutex_lock(m) ((*(m) = 1), 0)
+#define mutex_trylock(m) (*(m) ? 1 : ((*(m) = 1), 0))
+#define mutex_unlock(m) (*(m) = 0)
typedef void *tsd_key_t;
#define tsd_key_create(key, destr) do {} while(0)
-#define tsd_setspecific(key, data) do {} while(0)
-#define tsd_getspecific(key, vptr) (vptr = NULL)
+#define tsd_setspecific(key, data) ((key) = (data))
+#define tsd_getspecific(key, vptr) (vptr = (key))
#define thread_atfork(prepare, parent, child) do {} while(0)
status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
if (status == NSS_STATUS_SUCCESS &&
innetgr (buf, NULL, result->pw_name, NULL))
- return NSS_STATUS_NOTFOUND;
+ {
+ *errnop = ENOENT;
+ return NSS_STATUS_NOTFOUND;
+ }
continue;
}
}
else
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
- return NSS_STATUS_NOTFOUND;
+ {
+ *errnop = ENOENT;
+ return NSS_STATUS_NOTFOUND;
+ }
else
return status;
status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
if (status == NSS_STATUS_SUCCESS &&
innetgr (buf, NULL, result->pw_name, NULL))
- return NSS_STATUS_NOTFOUND;
+ {
+ *errnop = ENOENT;
+ return NSS_STATUS_NOTFOUND;
+ }
continue;
}
}
else
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
- return NSS_STATUS_NOTFOUND;
+ {
+ *errnop = ENOENT;
+ return NSS_STATUS_NOTFOUND;
+ }
else
return status;
break;
else
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
- return NSS_STATUS_NOTFOUND;
+ {
+ *errnop = ENOENT;
+ return NSS_STATUS_NOTFOUND;
+ }
else
return status;
}
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef SI_TYPE_SIZE
-#define SI_TYPE_SIZE 32
-#endif
+/* You have to define the following before including this file:
+
+ UWtype -- An unsigned type, default type for operations (typically a "word")
+ UHWtype -- An unsigned type, at least half the size of UWtype.
+ UDWtype -- An unsigned type, at least twice as large a UWtype
+ W_TYPE_SIZE -- size in bits of UWtype
+
+ UQItype -- Unsigned 8 bit type.
+ SItype, USItype -- Signed and unsigned 32 bit types.
+ DItype, UDItype -- Signed and unsigned 64 bit types.
+
+ On a 32 bit machine UWtype should typically be USItype;
+ on a 64 bit machine, UWtype should typically be UDItype.
+*/
-#define __BITS4 (SI_TYPE_SIZE / 4)
-#define __ll_B (1L << (SI_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((USItype) (t) % __ll_B)
-#define __ll_highpart(t) ((USItype) (t) / __ll_B)
+#define __BITS4 (W_TYPE_SIZE / 4)
+#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
+#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
+#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
+
+#ifndef W_TYPE_SIZE
+#define W_TYPE_SIZE 32
+#define UWtype USItype
+#define UHWtype USItype
+#define UDWtype UDItype
+#endif
/* Define auxiliary asm macros.
- 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand)
- multiplies two USItype integers MULTIPLER and MULTIPLICAND,
- and generates a two-part USItype product in HIGH_PROD and
- LOW_PROD.
+ 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) multiplies two
+ UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype
+ word product in HIGH_PROD and LOW_PROD.
- 2) __umulsidi3(a,b) multiplies two USItype integers A and B,
- and returns a UDItype product. This is just a variant of umul_ppmm.
+ 2) __umulsidi3(a,b) multiplies two UWtype integers A and B, and returns a
+ UDWtype product. This is just a variant of umul_ppmm.
3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator,
- denominator) divides a two-word unsigned integer, composed by the
- integers HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and
- places the quotient in QUOTIENT and the remainder in REMAINDER.
- HIGH_NUMERATOR must be less than DENOMINATOR for correct operation.
- If, in addition, the most significant bit of DENOMINATOR must be 1,
- then the pre-processor symbol UDIV_NEEDS_NORMALIZATION is defined to 1.
+ denominator) divides a UDWtype, composed by the UWtype integers
+ HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient
+ in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less
+ than DENOMINATOR for correct operation. If, in addition, the most
+ significant bit of DENOMINATOR must be 1, then the pre-processor symbol
+ UDIV_NEEDS_NORMALIZATION is defined to 1.
4) sdiv_qrnnd(quotient, remainder, high_numerator, low_numerator,
- denominator). Like udiv_qrnnd but the numbers are signed. The
- quotient is rounded towards 0.
+ denominator). Like udiv_qrnnd but the numbers are signed. The quotient
+ is rounded towards 0.
- 5) count_leading_zeros(count, x) counts the number of zero-bits from
- the msb to the first non-zero bit. This is the number of steps X
- needs to be shifted left to set the msb. Undefined for X == 0.
+ 5) count_leading_zeros(count, x) counts the number of zero-bits from the
+ msb to the first non-zero bit in the UWtype X. This is the number of
+ steps X needs to be shifted left to set the msb. Undefined for X == 0,
+ unless the symbol COUNT_LEADING_ZEROS_0 is defined to some value.
6) count_trailing_zeros(count, x) like count_leading_zeros, but counts
from the least significant end.
7) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1,
- high_addend_2, low_addend_2) adds two two-word unsigned integers,
- composed by HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and
- LOW_ADDEND_2 respectively. The result is placed in HIGH_SUM and
- LOW_SUM. Overflow (i.e. carry out) is not stored anywhere, and is
- lost.
-
- 8) sub_ddmmss(high_difference, low_difference, high_minuend,
- low_minuend, high_subtrahend, low_subtrahend) subtracts two
- two-word unsigned integers, composed by HIGH_MINUEND_1 and
- LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and LOW_SUBTRAHEND_2
- respectively. The result is placed in HIGH_DIFFERENCE and
- LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere,
+ high_addend_2, low_addend_2) adds two UWtype integers, composed by
+ HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and LOW_ADDEND_2
+ respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow
+ (i.e. carry out) is not stored anywhere, and is lost.
+
+ 8) sub_ddmmss(high_difference, low_difference, high_minuend, low_minuend,
+ high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers,
+ composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and
+ LOW_SUBTRAHEND_2 respectively. The result is placed in HIGH_DIFFERENCE
+ and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere,
and is lost.
If any of these macros are left undefined for a particular CPU,
#define __AND_CLOBBER_CC , "cc"
#endif /* __GNUC__ < 2 */
-#if defined (__a29k__) || defined (_AM29K)
+#if (defined (__a29k__) || defined (_AM29K)) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add %1,%4,%5
addc %0,%2,%3" \
__asm__ ("clz %0,%1" \
: "=r" ((USItype) (count)) \
: "r" ((USItype) (x)))
+#define COUNT_LEADING_ZEROS_0 32
#endif /* __a29k__ */
-#if defined (__arc__)
+#if defined (__alpha) && W_TYPE_SIZE == 64
+#define umul_ppmm(ph, pl, m0, m1) \
+ do { \
+ UDItype __m0 = (m0), __m1 = (m1); \
+ __asm__ ("umulh %r1,%2,%0" \
+ : "=r" ((UDItype) ph) \
+ : "%rJ" (__m0), \
+ "rI" (__m1)); \
+ (pl) = __m0 * __m1; \
+ } while (0)
+#define UMUL_TIME 46
+#ifndef LONGLONG_STANDALONE
+#define udiv_qrnnd(q, r, n1, n0, d) \
+ do { UDItype __r; \
+ (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \
+ (r) = __r; \
+ } while (0)
+extern UDItype __udiv_qrnnd __P ((UDItype *, UDItype, UDItype, UDItype));
+#define UDIV_TIME 220
+#endif /* LONGLONG_STANDALONE */
+#endif /* __alpha */
+
+#if defined (__arc__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add.f %1, %4, %5
adc %0, %2, %3" \
UDItype __umulsidi3 (USItype, USItype);
#endif
-#if defined (__arm__)
+#if defined (__arm__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("adds %1, %4, %5
adc %0, %2, %3" \
#define UDIV_TIME 100
#endif /* __arm__ */
-#if defined (__clipper__)
+#if defined (__clipper__) && W_TYPE_SIZE == 32
#define umul_ppmm(w1, w0, u, v) \
({union {UDItype __ll; \
struct {USItype __l, __h;} __i; \
__w; })
#endif /* __clipper__ */
-#if defined (__gmicro__)
+#if defined (__gmicro__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add.w %5,%1
addx %3,%0" \
"0" ((USItype) 0))
#endif
-#if defined (__hppa)
+#if defined (__hppa) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add %4,%5,%1
addc %2,%3,%0" \
} while (0)
#endif
-#if defined (__i386__) || defined (__i486__)
+#if (defined (__i370__) || defined (__mvs__)) && W_TYPE_SIZE == 32
+#define umul_ppmm(xh, xl, m0, m1) \
+ do { \
+ union {UDItype __ll; \
+ struct {USItype __h, __l;} __i; \
+ } __xx; \
+ USItype __m0 = (m0), __m1 = (m1); \
+ __asm__ ("mr %0,%3" \
+ : "=r" (__xx.__i.__h), \
+ "=r" (__xx.__i.__l) \
+ : "%1" (__m0), \
+ "r" (__m1)); \
+ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
+ (xh) += ((((SItype) __m0 >> 31) & __m1) \
+ + (((SItype) __m1 >> 31) & __m0)); \
+ } while (0)
+#define smul_ppmm(xh, xl, m0, m1) \
+ do { \
+ union {DItype __ll; \
+ struct {USItype __h, __l;} __i; \
+ } __xx; \
+ __asm__ ("mr %0,%3" \
+ : "=r" (__xx.__i.__h), \
+ "=r" (__xx.__i.__l) \
+ : "%1" (m0), \
+ "r" (m1)); \
+ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
+ } while (0)
+#define sdiv_qrnnd(q, r, n1, n0, d) \
+ do { \
+ union {DItype __ll; \
+ struct {USItype __h, __l;} __i; \
+ } __xx; \
+ __xx.__i.__h = n1; __xx.__i.__l = n0; \
+ __asm__ ("dr %0,%2" \
+ : "=r" (__xx.__ll) \
+ : "0" (__xx.__ll), "r" (d)); \
+ (q) = __xx.__i.__l; (r) = __xx.__i.__h; \
+ } while (0)
+#endif
+
+#if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addl %5,%1
adcl %3,%0" \
#define UDIV_TIME 40
#endif /* 80x86 */
-#if defined (__i860__)
+#if defined (__i860__) && W_TYPE_SIZE == 32
#if 0
/* Make sure these patterns really improve the code before
switching them on. */
#endif
#endif /* __i860__ */
-#if defined (__i960__)
+#if defined (__i960__) && W_TYPE_SIZE == 32
#define umul_ppmm(w1, w0, u, v) \
({union {UDItype __ll; \
struct {USItype __l, __h;} __i; \
__w; })
#endif /* __i960__ */
-#if defined (__M32R__)
+#if defined (__M32R__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
/* The cmp clears the condition bit. */ \
__asm__ ("cmp %0,%0
: "cbit")
#endif /* __M32R__ */
-#if defined (__mc68000__)
+#if defined (__mc68000__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add%.l %5,%1
addx%.l %3,%0" \
#endif
#endif /* mc68000 */
-#if defined (__m88000__)
+#if defined (__m88000__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addu.co %1,%r4,%r5
addu.ci %0,%r2,%r3" \
: "r" ((USItype) (x))); \
(count) = __cbtmp ^ 31; \
} while (0)
+#define COUNT_LEADING_ZEROS_0 63 /* sic */
#if defined (__mc88110__)
#define umul_ppmm(wh, wl, u, v) \
do { \
#endif /* __mc88110__ */
#endif /* __m88000__ */
-#if defined (__mips__)
+#if defined (__mips__) && W_TYPE_SIZE == 32
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("multu %2,%3" \
: "=l" ((USItype) (w0)), \
#define UDIV_TIME 100
#endif /* __mips__ */
-#if defined (__ns32000__)
+#if defined (__ns32000__) && W_TYPE_SIZE == 32
#define umul_ppmm(w1, w0, u, v) \
({union {UDItype __ll; \
struct {USItype __l, __h;} __i; \
__asm__ ("{cntlz|cntlzw} %0,%1" \
: "=r" ((USItype) (count)) \
: "r" ((USItype) (x)))
+#define COUNT_LEADING_ZEROS_0 32
#if defined (_ARCH_PPC)
#define umul_ppmm(ph, pl, m0, m1) \
do { \
#endif
#endif /* Power architecture variants. */
-#if defined (__pyr__)
+#if defined (__pyr__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addw %5,%1
addwc %3,%0" \
(w1) = __xx.__i.__h; (w0) = __xx.__i.__l;})
#endif /* __pyr__ */
-#if defined (__ibm032__) /* RT/ROMP */
+#if defined (__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("a %1,%5
ae %0,%3" \
} while (0)
#endif
-#if defined (__sparc__)
+#if defined (__sh2__) && W_TYPE_SIZE == 32
+#define umul_ppmm(w1, w0, u, v) \
+ __asm__ ( \
+ "dmulu.l %2,%3
+ sts macl,%1
+ sts mach,%0" \
+ : "=r" ((USItype)(w1)), \
+ "=r" ((USItype)(w0)) \
+ : "r" ((USItype)(u)), \
+ "r" ((USItype)(v)) \
+ : "macl", "mach")
+#define UMUL_TIME 5
+#endif
+
+#if defined (__sparc__) && !defined (__sparc_v9__) && !defined(__arch64__) \
+ && !defined(__sparc_v9) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addcc %r4,%5,%1
addx %r2,%3,%0" \
: "r" ((USItype) (n1)), \
"r" ((USItype) (n0)), \
"rI" ((USItype) (d)) \
- : "%g1" __AND_CLOBBER_CC)
+ : "g1" __AND_CLOBBER_CC)
#define UDIV_TIME 37
#define count_leading_zeros(count, x) \
do { \
: "=r" ((USItype) (count)) \
: "r" ((USItype) (x))); \
} while (0)
+/* Early sparclites return 63 for an argument of 0, but they warn that future
+ implementations might change this. Therefore, leave COUNT_LEADING_ZEROS_0
+ undefined. */
#else
/* SPARC without integer multiplication and divide instructions.
(i.e. at least Sun4/20,40,60,65,75,110,260,280,330,360,380,470,490) */
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("! Inlined umul_ppmm
wr %%g0,%2,%%y ! SPARC has 0-3 delay insn after a wr
- sra %3,31,%%g2 ! Don't move this insn
- and %2,%%g2,%%g2 ! Don't move this insn
+ sra %3,31,%%o5 ! Don't move this insn
+ and %2,%%o5,%%o5 ! Don't move this insn
andcc %%g0,0,%%g1 ! Don't move this insn
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,0,%%g1
- add %%g1,%%g2,%0
+ add %%g1,%%o5,%0
rd %%y,%1" \
: "=r" ((USItype) (w1)), \
"=r" ((USItype) (w0)) \
: "%rI" ((USItype) (u)), \
"r" ((USItype) (v)) \
- : "%g1", "%g2" __AND_CLOBBER_CC)
+ : "g1", "o5" __AND_CLOBBER_CC)
#define UMUL_TIME 39 /* 39 instructions */
/* It's quite necessary to add this much assembler for the sparc.
The default udiv_qrnnd (in C) is more than 10 times slower! */
"=&r" ((USItype) (r)) \
: "r" ((USItype) (d)), \
"1" ((USItype) (n1)), \
- "0" ((USItype) (n0)) : "%g1" __AND_CLOBBER_CC)
+ "0" ((USItype) (n0)) : "g1" __AND_CLOBBER_CC)
#define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */
#endif /* __sparclite__ */
#endif /* __sparc_v8__ */
#endif /* __sparc__ */
-#if defined (__vax__)
+#if (defined (__sparc_v9__) || (defined (__sparc__) && defined (__arch64__)) \
+ || defined (__sparcv9)) && W_TYPE_SIZE == 64
+#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
+ __asm__ ("addcc %4,%5,%1
+ add %2,%3,%0
+ bcs,a,pn %%xcc, 1f
+ add %0, 1, %0
+ 1:" \
+ : "=r" ((UDItype)(sh)), \
+ "=&r" ((UDItype)(sl)) \
+ : "%rJ" ((UDItype)(ah)), \
+ "rI" ((UDItype)(bh)), \
+ "%rJ" ((UDItype)(al)), \
+ "rI" ((UDItype)(bl)) \
+ __CLOBBER_CC)
+
+#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+ __asm__ ("subcc %4,%5,%1
+ sub %2,%3,%0
+ bcs,a,pn %%xcc, 1f
+ sub %0, 1, %0
+ 1:" \
+ : "=r" ((UDItype)(sh)), \
+ "=&r" ((UDItype)(sl)) \
+ : "rJ" ((UDItype)(ah)), \
+ "rI" ((UDItype)(bh)), \
+ "rJ" ((UDItype)(al)), \
+ "rI" ((UDItype)(bl)) \
+ __CLOBBER_CC)
+
+#define umul_ppmm(wh, wl, u, v) \
+ do { \
+ UDItype tmp1, tmp2, tmp3, tmp4; \
+ __asm__ __volatile__ ( \
+ "srl %7,0,%3
+ mulx %3,%6,%1
+ srlx %6,32,%2
+ mulx %2,%3,%4
+ sllx %4,32,%5
+ srl %6,0,%3
+ sub %1,%5,%5
+ srlx %5,32,%5
+ addcc %4,%5,%4
+ srlx %7,32,%5
+ mulx %3,%5,%3
+ mulx %2,%5,%5
+ sethi %%hi(0x80000000),%2
+ addcc %4,%3,%4
+ srlx %4,32,%4
+ add %2,%2,%2
+ movcc %%xcc,%%g0,%2
+ addcc %5,%4,%5
+ sllx %3,32,%3
+ add %1,%3,%1
+ add %5,%2,%0" \
+ : "=r" ((UDItype)(wh)), \
+ "=&r" ((UDItype)(wl)), \
+ "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4) \
+ : "r" ((UDItype)(u)), \
+ "r" ((UDItype)(v)) \
+ __CLOBBER_CC); \
+ } while (0)
+#define UMUL_TIME 96
+#define UDIV_TIME 230
+#endif /* __sparc_v9__ */
+
+#if defined (__vax__) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addl2 %5,%1
adwc %3,%0" \
} while (0)
#endif /* __vax__ */
+#if defined (__z8000__) && W_TYPE_SIZE == 16
+#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
+ __asm__ ("add %H1,%H5\n\tadc %H0,%H3" \
+ : "=r" ((unsigned int)(sh)), \
+ "=&r" ((unsigned int)(sl)) \
+ : "%0" ((unsigned int)(ah)), \
+ "r" ((unsigned int)(bh)), \
+ "%1" ((unsigned int)(al)), \
+ "rQR" ((unsigned int)(bl)))
+#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+ __asm__ ("sub %H1,%H5\n\tsbc %H0,%H3" \
+ : "=r" ((unsigned int)(sh)), \
+ "=&r" ((unsigned int)(sl)) \
+ : "0" ((unsigned int)(ah)), \
+ "r" ((unsigned int)(bh)), \
+ "1" ((unsigned int)(al)), \
+ "rQR" ((unsigned int)(bl)))
+#define umul_ppmm(xh, xl, m0, m1) \
+ do { \
+ union {long int __ll; \
+ struct {unsigned int __h, __l;} __i; \
+ } __xx; \
+ unsigned int __m0 = (m0), __m1 = (m1); \
+ __asm__ ("mult %S0,%H3" \
+ : "=r" (__xx.__i.__h), \
+ "=r" (__xx.__i.__l) \
+ : "%1" (__m0), \
+ "rQR" (__m1)); \
+ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
+ (xh) += ((((signed int) __m0 >> 15) & __m1) \
+ + (((signed int) __m1 >> 15) & __m0)); \
+ } while (0)
+#endif /* __z8000__ */
+
#endif /* __GNUC__ */
/* If this machine has no inline assembler, use C macros. */
#if !defined (add_ssaaaa)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
do { \
- USItype __x; \
+ UWtype __x; \
__x = (al) + (bl); \
(sh) = (ah) + (bh) + (__x < (al)); \
(sl) = __x; \
#if !defined (sub_ddmmss)
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
do { \
- USItype __x; \
+ UWtype __x; \
__x = (al) - (bl); \
(sh) = (ah) - (bh) - (__x > (al)); \
(sl) = __x; \
#if !defined (umul_ppmm)
#define umul_ppmm(w1, w0, u, v) \
do { \
- USItype __x0, __x1, __x2, __x3; \
- USItype __ul, __vl, __uh, __vh; \
+ UWtype __x0, __x1, __x2, __x3; \
+ UHWtype __ul, __vl, __uh, __vh; \
\
__ul = __ll_lowpart (u); \
__uh = __ll_highpart (u); \
__vl = __ll_lowpart (v); \
__vh = __ll_highpart (v); \
\
- __x0 = (USItype) __ul * __vl; \
- __x1 = (USItype) __ul * __vh; \
- __x2 = (USItype) __uh * __vl; \
- __x3 = (USItype) __uh * __vh; \
+ __x0 = (UWtype) __ul * __vl; \
+ __x1 = (UWtype) __ul * __vh; \
+ __x2 = (UWtype) __uh * __vl; \
+ __x3 = (UWtype) __uh * __vh; \
\
__x1 += __ll_highpart (__x0);/* this can't give carry */ \
__x1 += __x2; /* but this indeed can */ \
/* Define this unconditionally, so it can be used for debugging. */
#define __udiv_qrnnd_c(q, r, n1, n0, d) \
do { \
- USItype __d1, __d0, __q1, __q0; \
- USItype __r1, __r0, __m; \
+ UWtype __d1, __d0, __q1, __q0; \
+ UWtype __r1, __r0, __m; \
__d1 = __ll_highpart (d); \
__d0 = __ll_lowpart (d); \
\
__r1 = (n1) % __d1; \
__q1 = (n1) / __d1; \
- __m = (USItype) __q1 * __d0; \
+ __m = (UWtype) __q1 * __d0; \
__r1 = __r1 * __ll_B | __ll_highpart (n0); \
if (__r1 < __m) \
{ \
\
__r0 = __r1 % __d1; \
__q0 = __r1 / __d1; \
- __m = (USItype) __q0 * __d0; \
+ __m = (UWtype) __q0 * __d0; \
__r0 = __r0 * __ll_B | __ll_lowpart (n0); \
if (__r0 < __m) \
{ \
} \
__r0 -= __m; \
\
- (q) = (USItype) __q1 * __ll_B | __q0; \
+ (q) = (UWtype) __q1 * __ll_B | __q0; \
(r) = __r0; \
} while (0)
extern const UQItype __clz_tab[];
#define count_leading_zeros(count, x) \
do { \
- USItype __xr = (x); \
- USItype __a; \
+ UWtype __xr = (x); \
+ UWtype __a; \
\
- if (SI_TYPE_SIZE <= 32) \
+ if (W_TYPE_SIZE <= 32) \
{ \
- __a = __xr < ((USItype)1<<2*__BITS4) \
- ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \
- : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \
+ __a = __xr < ((UWtype)1<<2*__BITS4) \
+ ? (__xr < ((UWtype)1<<__BITS4) ? 0 : __BITS4) \
+ : (__xr < ((UWtype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \
} \
else \
{ \
- for (__a = SI_TYPE_SIZE - 8; __a > 0; __a -= 8) \
+ for (__a = W_TYPE_SIZE - 8; __a > 0; __a -= 8) \
if (((__xr >> __a) & 0xff) != 0) \
break; \
} \
\
- (count) = SI_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \
+ (count) = W_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \
} while (0)
+#define COUNT_LEADING_ZEROS_0 W_TYPE_SIZE
#endif
#if !defined (count_trailing_zeros)
defined in asm, but if it is not, the C version above is good enough. */
#define count_trailing_zeros(count, x) \
do { \
- USItype __ctz_x = (x); \
- USItype __ctz_c; \
+ UWtype __ctz_x = (x); \
+ UWtype __ctz_c; \
count_leading_zeros (__ctz_c, __ctz_x & -__ctz_x); \
- (count) = SI_TYPE_SIZE - 1 - __ctz_c; \
+ (count) = W_TYPE_SIZE - 1 - __ctz_c; \
} while (0)
#endif
idouble: 1
Test "erfc (1.2) == 0.089686021770364619762":
float: 1
+double: 1
+idouble: 1
ifloat: 1
Test "erfc (2.0) == 0.0046777349810472658379":
double: 1
return 0;
}
strong_alias (__fegetenv, __old_fegetenv)
-symbol_version (__old_fegetenv, fegetenv, GLIBC_2.1)
-default_symbol_version (__fegetenv, fegetenv, GLIBC_2.1.3)
+symbol_version (__old_fegetenv, fegetenv, GLIBC_2.1);
+default_symbol_version (__fegetenv, fegetenv, GLIBC_2.1.3);
extern int errno;
/* Function to get address of global `errno' variable. */
-extern int *__errno_location (void) __attribute__ ((__const__)) __THROW;
+extern int *__errno_location (void) __THROW __attribute__ ((__const__));
# if defined _LIBC
/* We wouldn't need a special macro anymore but it is history. */
endif
ifeq ($(subdir),resource)
-sysdep_routines += oldgetrlimit oldsetrlimit
+sysdep_routines += oldgetrlimit64 oldsetrlimit64
endif
#include <sys/uio.h>
#include <stdio-common/_itoa.h>
-#include <asm/ptrace.h>
#include <bits/sigcontext.h>
/* We will print the register dump in this format:
*--cp = '0';
}
-struct __siginfo_sparc64_fpu
-{
- unsigned long si_float_regs[32];
- unsigned long si_xfsr;
- unsigned long si_gsr;
- unsigned long si_fprs;
-};
-
static void
register_dump (int fd, SIGCONTEXT ctx)
{
char regs[36][16];
- char fregs[35][8];
+ char fregs[68][8];
struct iovec iov[150];
size_t nr = 0;
int i;
- struct reg_window *r = (struct reg_window *)
- ctx->sf_regs.u_regs[14];
- struct __siginfo_sparc64_fpu *f;
+ unsigned long *r = (unsigned long *)
+ (ctx->sigc_regs.u_regs[14] + STACK_BIAS);
+ __siginfo_fpu_t *f;
#define ADD_STRING(str) \
iov[nr].iov_base = (char *) str; \
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->sf_regs.tstate, regs[0], 16);
- hexvalue (ctx->sf_regs.tpc, regs[1], 16);
- hexvalue (ctx->sf_regs.tnpc, regs[2], 16);
- hexvalue (ctx->sf_regs.y, regs[3], 8);
+ hexvalue (ctx->sigc_regs.tstate, regs[0], 16);
+ hexvalue (ctx->sigc_regs.tpc, regs[1], 16);
+ hexvalue (ctx->sigc_regs.tnpc, regs[2], 16);
+ hexvalue (ctx->sigc_regs.y, regs[3], 8);
for (i = 1; i <= 15; i++)
- hexvalue (ctx->sf_regs.u_regs[i], regs[3+i], 16);
+ hexvalue (ctx->sigc_regs.u_regs[i], regs[3+i], 16);
for (i = 0; i <= 15; i++)
- hexvalue (r->locals[i], regs[19+i], 16);
- hexvalue (ctx->sf_mask, regs[35], 16);
+ hexvalue (r[i], regs[19+i], 16);
+ hexvalue (ctx->sigc_mask, regs[35], 16);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n TSTATE: ");
ADD_STRING ("\n\n Mask: ");
ADD_MEM (regs[35], 16);
- f = *(struct __siginfo_sparc64_fpu **)(ctx + 1);
+ f = ctx->sigc_fpu_save;
if (f != NULL)
{
- for (i = 0; i < 32; i++)
- hexvalue (f->si_float_regs[i], fregs[i], 16);
- hexvalue (f->si_xfsr, fregs[32], 16);
- hexvalue (f->si_gsr, fregs[33], 2);
- hexvalue (f->si_fprs, fregs[34], 1);
- ADD_STRING (" XFSR: ");
- ADD_MEM (fregs[32], 16);
- ADD_STRING (" GSR: ");
- ADD_MEM (fregs[33], 2);
- ADD_STRING (" FPRS: ");
- ADD_MEM (fregs[34], 1);
- ADD_STRING ("\n f0: ");
- ADD_MEM (fregs[0], 16);
- ADD_STRING (" f2: ");
- ADD_MEM (fregs[1], 16);
- ADD_STRING (" f4: ");
- ADD_MEM (fregs[2], 16);
- ADD_STRING ("\n f6: ");
- ADD_MEM (fregs[3], 16);
- ADD_STRING (" f8: ");
- ADD_MEM (fregs[4], 16);
- ADD_STRING (" f10: ");
- ADD_MEM (fregs[5], 16);
- ADD_STRING ("\n f12: ");
- ADD_MEM (fregs[6], 16);
- ADD_STRING (" f14: ");
- ADD_MEM (fregs[7], 16);
- ADD_STRING (" f16: ");
- ADD_MEM (fregs[8], 16);
- ADD_STRING ("\n f18: ");
- ADD_MEM (fregs[9], 16);
- ADD_STRING (" f20: ");
- ADD_MEM (fregs[10], 16);
- ADD_STRING (" f22: ");
- ADD_MEM (fregs[11], 16);
- ADD_STRING ("\n f24: ");
- ADD_MEM (fregs[12], 16);
- ADD_STRING (" f26: ");
- ADD_MEM (fregs[13], 16);
- ADD_STRING (" f28: ");
- ADD_MEM (fregs[14], 16);
- ADD_STRING ("\n f30: ");
- ADD_MEM (fregs[15], 16);
- ADD_STRING (" f32: ");
- ADD_MEM (fregs[16], 16);
- ADD_STRING (" f34: ");
- ADD_MEM (fregs[17], 16);
- ADD_STRING ("\n f36: ");
- ADD_MEM (fregs[18], 16);
- ADD_STRING (" f38: ");
- ADD_MEM (fregs[19], 16);
- ADD_STRING (" f40: ");
- ADD_MEM (fregs[20], 16);
- ADD_STRING ("\n f42: ");
- ADD_MEM (fregs[21], 16);
- ADD_STRING (" f44: ");
- ADD_MEM (fregs[22], 16);
- ADD_STRING (" f46: ");
- ADD_MEM (fregs[23], 16);
- ADD_STRING ("\n f48: ");
- ADD_MEM (fregs[24], 16);
- ADD_STRING (" f50: ");
- ADD_MEM (fregs[25], 16);
- ADD_STRING (" f52: ");
- ADD_MEM (fregs[26], 16);
- ADD_STRING ("\n f54: ");
- ADD_MEM (fregs[27], 16);
- ADD_STRING (" f56: ");
- ADD_MEM (fregs[28], 16);
- ADD_STRING (" f58: ");
- ADD_MEM (fregs[29], 16);
- ADD_STRING ("\n f60: ");
- ADD_MEM (fregs[30], 16);
- ADD_STRING (" f62: ");
- ADD_MEM (fregs[31], 16);
- }
+ for (i = 0; i < 64; i++)
+ hexvalue (f->si_float_regs[i], fregs[i], 8);
+ hexvalue (f->si_fsr, fregs[64], 16);
+ hexvalue (f->si_gsr, fregs[66], 2);
+ hexvalue (f->si_fprs, fregs[67], 1);
+ ADD_STRING (" XFSR: ");
+ ADD_MEM (fregs[64], 16);
+ ADD_STRING (" GSR: ");
+ ADD_MEM (fregs[66], 2);
+ ADD_STRING (" FPRS: ");
+ ADD_MEM (fregs[67], 1);
+ ADD_STRING ("\n f0: ");
+ ADD_MEM (fregs[0], 16);
+ ADD_STRING (" f2: ");
+ ADD_MEM (fregs[2], 16);
+ ADD_STRING (" f4: ");
+ ADD_MEM (fregs[4], 16);
+ ADD_STRING ("\n f6: ");
+ ADD_MEM (fregs[6], 16);
+ ADD_STRING (" f8: ");
+ ADD_MEM (fregs[8], 16);
+ ADD_STRING (" f10: ");
+ ADD_MEM (fregs[10], 16);
+ ADD_STRING ("\n f12: ");
+ ADD_MEM (fregs[12], 16);
+ ADD_STRING (" f14: ");
+ ADD_MEM (fregs[14], 16);
+ ADD_STRING (" f16: ");
+ ADD_MEM (fregs[16], 16);
+ ADD_STRING ("\n f18: ");
+ ADD_MEM (fregs[18], 16);
+ ADD_STRING (" f20: ");
+ ADD_MEM (fregs[20], 16);
+ ADD_STRING (" f22: ");
+ ADD_MEM (fregs[22], 16);
+ ADD_STRING ("\n f24: ");
+ ADD_MEM (fregs[24], 16);
+ ADD_STRING (" f26: ");
+ ADD_MEM (fregs[26], 16);
+ ADD_STRING (" f28: ");
+ ADD_MEM (fregs[28], 16);
+ ADD_STRING ("\n f30: ");
+ ADD_MEM (fregs[30], 16);
+ ADD_STRING (" f32: ");
+ ADD_MEM (fregs[32], 16);
+ ADD_STRING (" f34: ");
+ ADD_MEM (fregs[34], 16);
+ ADD_STRING ("\n f36: ");
+ ADD_MEM (fregs[36], 16);
+ ADD_STRING (" f38: ");
+ ADD_MEM (fregs[38], 16);
+ ADD_STRING (" f40: ");
+ ADD_MEM (fregs[40], 16);
+ ADD_STRING ("\n f42: ");
+ ADD_MEM (fregs[42], 16);
+ ADD_STRING (" f44: ");
+ ADD_MEM (fregs[44], 16);
+ ADD_STRING (" f46: ");
+ ADD_MEM (fregs[46], 16);
+ ADD_STRING ("\n f48: ");
+ ADD_MEM (fregs[48], 16);
+ ADD_STRING (" f50: ");
+ ADD_MEM (fregs[50], 16);
+ ADD_STRING (" f52: ");
+ ADD_MEM (fregs[52], 16);
+ ADD_STRING ("\n f54: ");
+ ADD_MEM (fregs[54], 16);
+ ADD_STRING (" f56: ");
+ ADD_MEM (fregs[56], 16);
+ ADD_STRING (" f58: ");
+ ADD_MEM (fregs[58], 16);
+ ADD_STRING ("\n f60: ");
+ ADD_MEM (fregs[60], 16);
+ ADD_STRING (" f62: ");
+ ADD_MEM (fregs[62], 16);
+ }
ADD_STRING ("\n");
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-struct __rt_signal_frame {
- siginfo_t sf_info;
- struct pt_regs sf_regs;
- __siginfo_fpu_t *fpu_save;
- struct {
- void *ss_sp;
- int ss_flags;
- size_t ss_size;
- } sf_stack;
- unsigned long sf_mask;
-};
-
#ifndef STACK_BIAS
#define STACK_BIAS 2047
#endif
-#define SIGCONTEXT struct __rt_signal_frame *
+#define SIGCONTEXT struct sigcontext *
#define SIGCONTEXT_EXTRA_ARGS
-#define GET_PC(__ctx) ((void *) ((__ctx)->sf_regs.tpc))
+#define GET_PC(__ctx) ((void *) ((__ctx)->sigc_regs.tpc))
#define ADVANCE_STACK_FRAME(__next) \
- ((void *) &((struct reg_window *) (((unsigned long int) (__next)) \
- + STACK_BIAS))->ins[6])
-#define GET_STACK(__ctx) ((void *) ((__ctx)->sf_regs.u_regs[14]))
+ ((void *) (((unsigned long *) (((unsigned long int) (__next)) \
+ + STACK_BIAS))+14))
+#define GET_STACK(__ctx) ((void *) ((__ctx)->sigc_regs.u_regs[14]))
#define GET_FRAME(__ctx) ADVANCE_STACK_FRAME (GET_STACK (__ctx))
#if __WORDSIZE == 64
+ ,
/* Get all floating point registers used by a processes.
This is not supported on all machines. */
PTRACE_GETFPREGS = 25,
/* Set all floating point registers used by a processes.
This is not supported on all machines. */
- PTRACE_SETFPREGS = 26,
+ PTRACE_SETFPREGS = 26
#define PT_SETFPREGS PTRACE_SETFPREGS
#endif
projects / external / glibc.git / commitdiff