diff options
Diffstat (limited to 'libc/stdlib/malloc/malloc.c')
| -rw-r--r-- | libc/stdlib/malloc/malloc.c | 31 |
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); } |