/* Functions to support a pool of allocatable objects.
- Copyright (C) 1987, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
- 2007, 2008, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
Contributed by Daniel Berlin <dan@cgsoftware.com>
This file is part of GCC.
#include "config.h"
#include "system.h"
+#include "coretypes.h"
#include "alloc-pool.h"
#include "hash-table.h"
+#include "hash-map.h"
#define align_eight(x) (((x+7) >> 3) << 3)
the allocated object may be even smaller than this structure.
We do not care about alignment for floating-point types. */
char *align_p;
- HOST_WIDEST_INT align_i;
+ int64_t align_i;
} u;
} allocation_object;
size for that pool. */
struct alloc_pool_descriptor
{
- const char *name;
/* Number of pools allocated. */
unsigned long created;
/* Gross allocated storage. */
int elt_size;
};
-struct alloc_pool_hasher : typed_noop_remove <alloc_pool_descriptor>
-{
- typedef alloc_pool_descriptor value_type;
- typedef char compare_type;
- static inline hashval_t hash (const alloc_pool_descriptor *);
- static inline bool equal (const value_type *, const compare_type *);
-};
-
/* Hashtable mapping alloc_pool names to descriptors. */
-static hash_table <alloc_pool_hasher> alloc_pool_hash;
-
-/* Hashtable helpers. */
-inline hashval_t
-alloc_pool_hasher::hash (const value_type *d)
-{
- return htab_hash_pointer (d->name);
-}
-
-inline bool
-alloc_pool_hasher::equal (const value_type *d,
- const compare_type *p2)
-{
- return d->name == p2;
-}
+static hash_map<const char *, alloc_pool_descriptor> *alloc_pool_hash;
/* For given name, return descriptor, create new if needed. */
static struct alloc_pool_descriptor *
allocate_pool_descriptor (const char *name)
{
- struct alloc_pool_descriptor **slot;
-
- if (!alloc_pool_hash.is_created ())
- alloc_pool_hash.create (10);
-
- slot = alloc_pool_hash.find_slot_with_hash (name,
- htab_hash_pointer (name), INSERT);
- if (*slot)
- return *slot;
- *slot = XCNEW (struct alloc_pool_descriptor);
- (*slot)->name = name;
- return *slot;
+ if (!alloc_pool_hash)
+ alloc_pool_hash = new hash_map<const char *, alloc_pool_descriptor> (10);
+
+ return &alloc_pool_hash->get_or_insert (name);
}
/* Create a pool of things of size SIZE, with NUM in each block we
pool_alloc (alloc_pool pool)
{
alloc_pool_list header;
-#ifdef ENABLE_VALGRIND_CHECKING
+#ifdef ENABLE_VALGRIND_ANNOTATIONS
int size;
#endif
}
gcc_checking_assert (pool);
-#ifdef ENABLE_VALGRIND_CHECKING
+#ifdef ENABLE_VALGRIND_ANNOTATIONS
size = pool->elt_size - offsetof (allocation_object, u.data);
#endif
/* Pull the first free element from the free list, and return it. */
header = pool->returned_free_list;
- VALGRIND_DISCARD (VALGRIND_MAKE_MEM_DEFINED (header, sizeof(*header)));
+ VALGRIND_DISCARD (VALGRIND_MAKE_MEM_DEFINED (header, sizeof (*header)));
pool->returned_free_list = header->next;
pool->elts_free--;
pool_free (alloc_pool pool, void *ptr)
{
alloc_pool_list header;
-#if defined(ENABLE_VALGRIND_CHECKING) || defined(ENABLE_CHECKING)
+#if defined(ENABLE_VALGRIND_ANNOTATIONS) || defined(ENABLE_CHECKING)
int size;
size = pool->elt_size - offsetof (allocation_object, u.data);
#endif
/* Output per-alloc_pool statistics. */
/* Used to accumulate statistics about alloc_pool sizes. */
-struct output_info
+struct pool_output_info
{
unsigned long total_created;
unsigned long total_allocated;
};
-/* Called via hash_table.traverse. Output alloc_pool descriptor pointed out by
+/* Called via hash_map.traverse. Output alloc_pool descriptor pointed out by
SLOT and update statistics. */
-int
-print_alloc_pool_statistics (alloc_pool_descriptor **slot,
- struct output_info *i)
+bool
+print_alloc_pool_statistics (const char *const &name,
+ const alloc_pool_descriptor &d,
+ struct pool_output_info *i)
{
- struct alloc_pool_descriptor *d = *slot;
-
- if (d->allocated)
+ if (d.allocated)
{
fprintf (stderr,
"%-22s %6d %10lu %10lu(%10lu) %10lu(%10lu) %10lu(%10lu)\n",
- d->name, d->elt_size, d->created, d->allocated,
- d->allocated / d->elt_size, d->peak, d->peak / d->elt_size,
- d->current, d->current / d->elt_size);
- i->total_allocated += d->allocated;
- i->total_created += d->created;
+ name, d.elt_size, d.created, d.allocated,
+ d.allocated / d.elt_size, d.peak, d.peak / d.elt_size,
+ d.current, d.current / d.elt_size);
+ i->total_allocated += d.allocated;
+ i->total_created += d.created;
}
return 1;
}
void
dump_alloc_pool_statistics (void)
{
- struct output_info info;
+ struct pool_output_info info;
if (! GATHER_STATISTICS)
return;
- if (!alloc_pool_hash.is_created ())
+ if (!alloc_pool_hash)
return;
fprintf (stderr, "\nAlloc-pool Kind Elt size Pools Allocated (elts) Peak (elts) Leak (elts)\n");
fprintf (stderr, "--------------------------------------------------------------------------------------------------------------\n");
info.total_created = 0;
info.total_allocated = 0;
- alloc_pool_hash.traverse <struct output_info *,
- print_alloc_pool_statistics> (&info);
+ alloc_pool_hash->traverse <struct pool_output_info *,
+ print_alloc_pool_statistics> (&info);
fprintf (stderr, "--------------------------------------------------------------------------------------------------------------\n");
fprintf (stderr, "%-22s %7lu %10lu\n",
"Total", info.total_created, info.total_allocated);
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