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PR 3532

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* bfd-in.h (struct bfd_hash_table): Reorganize.  Add "frozen".
	* hash.c (bfd_hash_table_init_n): Init frozen.
	(bfd_hash_lookup): Don't grow if frozen.
	(bfd_hash_traverse): Freeze hash table during traversal.
	* bfd-in2.h: Regenerate.
This commit is contained in:
Alan Modra 2006-11-20 01:38:38 +00:00
parent 98a16ee117
commit 98f0b6ab8c
4 changed files with 32 additions and 16 deletions
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9
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2006-11-20 Alan Modra <amodra@bigpond.net.au>
PR 3532
* bfd-in.h (struct bfd_hash_table): Reorganize. Add "frozen".
* hash.c (bfd_hash_table_init_n): Init frozen.
(bfd_hash_lookup): Don't grow if frozen.
(bfd_hash_traverse): Freeze hash table during traversal.
* bfd-in2.h: Regenerate.
2006-11-18 Alan Modra <amodra@bigpond.net.au>
* elflink.c (_bfd_elf_check_kept_section): Test for kept group

14
bfd/bfd-in.h
View File

@ -398,12 +398,6 @@ struct bfd_hash_table
{
/* The hash array. */
struct bfd_hash_entry **table;
/* The number of slots in the hash table. */
unsigned int size;
/* The number of entries in the hash table. */
unsigned int count;
/* The size of elements. */
unsigned int entsize;
/* A function used to create new elements in the hash table. The
first entry is itself a pointer to an element. When this
function is first invoked, this pointer will be NULL. However,
@ -416,6 +410,14 @@ struct bfd_hash_table
/* An objalloc for this hash table. This is a struct objalloc *,
but we use void * to avoid requiring the inclusion of objalloc.h. */
void *memory;
/* The number of slots in the hash table. */
unsigned int size;
/* The number of entries in the hash table. */
unsigned int count;
/* The size of elements. */
unsigned int entsize;
/* If non-zero, don't grow the hash table. */
unsigned int frozen:1;
};
/* Initialize a hash table. */

14
bfd/bfd-in2.h
View File

@ -405,12 +405,6 @@ struct bfd_hash_table
{
/* The hash array. */
struct bfd_hash_entry **table;
/* The number of slots in the hash table. */
unsigned int size;
/* The number of entries in the hash table. */
unsigned int count;
/* The size of elements. */
unsigned int entsize;
/* A function used to create new elements in the hash table. The
first entry is itself a pointer to an element. When this
function is first invoked, this pointer will be NULL. However,
@ -423,6 +417,14 @@ struct bfd_hash_table
/* An objalloc for this hash table. This is a struct objalloc *,
but we use void * to avoid requiring the inclusion of objalloc.h. */
void *memory;
/* The number of slots in the hash table. */
unsigned int size;
/* The number of entries in the hash table. */
unsigned int count;
/* The size of elements. */
unsigned int entsize;
/* If non-zero, don't grow the hash table. */
unsigned int frozen:1;
};
/* Initialize a hash table. */

11
bfd/hash.c
View File

@ -383,6 +383,7 @@ bfd_hash_table_init_n (struct bfd_hash_table *table,
table->size = size;
table->entsize = entsize;
table->count = 0;
table->frozen = 0;
table->newfunc = newfunc;
return TRUE;
}
@ -471,7 +472,7 @@ bfd_hash_lookup (struct bfd_hash_table *table,
table->table[index] = hashp;
table->count++;
if (table->count > table->size * 3 / 4)
if (!table->frozen && table->count > table->size * 3 / 4)
{
unsigned long newsize = higher_prime_number (table->size);
struct bfd_hash_entry **newtable;
@ -482,8 +483,7 @@ bfd_hash_lookup (struct bfd_hash_table *table,
that much memory, don't try to grow the table. */
if (newsize == 0 || alloc / sizeof (struct bfd_hash_entry *) != newsize)
{
/* Lie. Stops us trying to grow again for a while. */
table->count = 0;
table->frozen = 1;
return hashp;
}
@ -573,14 +573,17 @@ bfd_hash_traverse (struct bfd_hash_table *table,
{
unsigned int i;
table->frozen = 1;
for (i = 0; i < table->size; i++)
{
struct bfd_hash_entry *p;
for (p = table->table[i]; p != NULL; p = p->next)
if (! (*func) (p, info))
return;
goto out;
}
out:
table->frozen = 0;
}
void