diff options
Diffstat (limited to 'gcc/alloc-pool.c')
| -rw-r--r-- | gcc/alloc-pool.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/alloc-pool.c b/gcc/alloc-pool.c index fdc047d..9a58808 100644 --- a/gcc/alloc-pool.c +++ b/gcc/alloc-pool.c @@ -247,6 +247,7 @@ void * pool_alloc (alloc_pool pool) { alloc_pool_list header; + VALGRIND_DISCARD (int size); if (GATHER_STATISTICS) { @@ -259,6 +260,7 @@ pool_alloc (alloc_pool pool) } gcc_checking_assert (pool); + VALGRIND_DISCARD (size = pool->elt_size - offsetof (allocation_object, u.data)); /* If there are no more free elements, make some more!. */ if (!pool->returned_free_list) @@ -298,6 +300,7 @@ pool_alloc (alloc_pool pool) /* Mark the element to be free. */ ((allocation_object *) block)->id = 0; #endif + VALGRIND_DISCARD (VALGRIND_MAKE_MEM_NOACCESS (header,size)); pool->returned_free_list = header; pool->virgin_free_list += pool->elt_size; pool->virgin_elts_remaining--; @@ -306,6 +309,7 @@ pool_alloc (alloc_pool pool) /* 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))); pool->returned_free_list = header->next; pool->elts_free--; @@ -313,6 +317,7 @@ pool_alloc (alloc_pool pool) /* Set the ID for element. */ ALLOCATION_OBJECT_PTR_FROM_USER_PTR (header)->id = pool->id; #endif + VALGRIND_DISCARD (VALGRIND_MAKE_MEM_UNDEFINED (header, size)); return ((void *) header); } @@ -322,6 +327,10 @@ void pool_free (alloc_pool pool, void *ptr) { alloc_pool_list header; +#if defined(ENABLE_VALGRIND_CHECKING) || defined(ENABLE_CHECKING) + int size; + size = pool->elt_size - offsetof (allocation_object, u.data); +#endif #ifdef ENABLE_CHECKING gcc_assert (ptr @@ -330,7 +339,7 @@ pool_free (alloc_pool pool, void *ptr) /* Check whether the PTR was allocated from POOL. */ && pool->id == ALLOCATION_OBJECT_PTR_FROM_USER_PTR (ptr)->id); - memset (ptr, 0xaf, pool->elt_size - offsetof (allocation_object, u.data)); + memset (ptr, 0xaf, size); /* Mark the element to be free. */ ALLOCATION_OBJECT_PTR_FROM_USER_PTR (ptr)->id = 0; @@ -339,6 +348,7 @@ pool_free (alloc_pool pool, void *ptr) header = (alloc_pool_list) ptr; header->next = pool->returned_free_list; pool->returned_free_list = header; + VALGRIND_DISCARD (VALGRIND_MAKE_MEM_NOACCESS (ptr, size)); pool->elts_free++; if (GATHER_STATISTICS) |