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Diffstat (limited to 'libc/stdlib/malloc/malloc.c')
-rw-r--r--libc/stdlib/malloc/malloc.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c
index b23d566b1..4466367ed 100644
--- a/libc/stdlib/malloc/malloc.c
+++ b/libc/stdlib/malloc/malloc.c
@@ -29,10 +29,6 @@ struct heap __malloc_heap = HEAP_INIT_WITH_FA (initial_fa);
malloc_mutex_t __malloc_sbrk_lock;
#endif /* MALLOC_USE_LOCKING && MALLOC_USE_SBRK */
-#ifdef MALLOC_DEBUGGING
-int __malloc_debug = 0;
-#endif
-
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
/* A list of all malloc_mmb structures describing blocsk that
@@ -44,10 +40,6 @@ struct malloc_mmb *__malloc_mmapped_blocks = 0;
annoying ways. */
HEAP_DECLARE_STATIC_FREE_AREA (initial_mmb_fa, 48); /* enough for 3 mmbs */
struct heap __malloc_mmb_heap = HEAP_INIT_WITH_FA (initial_mmb_fa);
-
-# ifdef MALLOC_MMB_DEBUGGING
-int __malloc_mmb_debug = 0;
-# endif
#endif /* __UCLIBC_UCLINUX_BROKEN_MUNMAP__ */
@@ -56,7 +48,7 @@ malloc_from_heap (size_t size, struct heap *heap)
{
void *mem;
- MALLOC_DEBUG ("malloc: %d bytes\n", size);
+ MALLOC_DEBUG (1, "malloc: %d bytes", size);
/* Include extra space to record the size of the allocated block. */
size += MALLOC_HEADER_SIZE;
@@ -121,7 +113,7 @@ malloc_from_heap (size_t size, struct heap *heap)
struct malloc_mmb *mmb, *prev_mmb, *new_mmb;
#endif
- MALLOC_DEBUG (" adding memory: 0x%lx - 0x%lx (%d bytes)\n",
+ MALLOC_DEBUG (1, "adding system memroy to heap: 0x%lx - 0x%lx (%d bytes)",
(long)block, (long)block + block_size, block_size);
/* Get back the heap lock. */
@@ -130,6 +122,8 @@ malloc_from_heap (size_t size, struct heap *heap)
/* Put BLOCK into the heap. */
__heap_free (heap, block, block_size);
+ MALLOC_DEBUG_INDENT (-1);
+
/* Try again to allocate. */
mem = __heap_alloc (heap, &size);
@@ -155,7 +149,7 @@ malloc_from_heap (size_t size, struct heap *heap)
else
__malloc_mmapped_blocks = new_mmb;
- MALLOC_MMB_DEBUG (" new mmb at 0x%x: 0x%x[%d]\n",
+ MALLOC_MMB_DEBUG (0, "new mmb at 0x%x: 0x%x[%d]",
(unsigned)new_mmb,
(unsigned)new_mmb->mem, block_size);
#endif /* !MALLOC_USE_SBRK && __UCLIBC_UCLINUX_BROKEN_MUNMAP__ */
@@ -167,9 +161,11 @@ malloc_from_heap (size_t size, struct heap *heap)
{
mem = MALLOC_SETUP (mem, size);
- MALLOC_DEBUG (" malloc: returning 0x%lx (base:0x%lx, total_size:%d)\n",
+ MALLOC_DEBUG (-1, "malloc: returning 0x%lx (base:0x%lx, total_size:%ld)",
(long)mem, (long)MALLOC_BASE(mem), (long)MALLOC_SIZE(mem));
}
+ else
+ MALLOC_DEBUG (-1, "malloc: returning 0");
return mem;
}
@@ -177,5 +173,16 @@ malloc_from_heap (size_t size, struct heap *heap)
void *
malloc (size_t size)
{
+#ifdef MALLOC_DEBUGGING
+ static int debugging_initialized = 0;
+ if (! debugging_initialized)
+ {
+ debugging_initialized = 1;
+ __malloc_debug_init ();
+ }
+ if (__malloc_check)
+ __heap_check (&__malloc_heap, "malloc");
+#endif
+
return malloc_from_heap (size, &__malloc_heap);
}