diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/auxiliary/util/p_debug_mem.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/util/p_debug_mem.c b/src/gallium/auxiliary/util/p_debug_mem.c index ed18c6540ea..9511479cbbe 100644 --- a/src/gallium/auxiliary/util/p_debug_mem.c +++ b/src/gallium/auxiliary/util/p_debug_mem.c @@ -122,8 +122,12 @@ debug_malloc(const char *file, unsigned line, const char *function, struct debug_memory_footer *ftr; hdr = real_malloc(sizeof(*hdr) + size + sizeof(*ftr)); - if(!hdr) + if(!hdr) { + debug_printf("%s:%u:%s: out of memory when trying to allocate %lu bytes\n", + file, line, function, + (long unsigned)size); return NULL; + } hdr->no = last_no++; hdr->file = file; @@ -219,8 +223,12 @@ debug_realloc(const char *file, unsigned line, const char *function, /* alloc new */ new_hdr = real_malloc(sizeof(*new_hdr) + new_size + sizeof(*new_ftr)); - if(!new_hdr) + if(!new_hdr) { + debug_printf("%s:%u:%s: out of memory when trying to allocate %lu bytes\n", + file, line, function, + (long unsigned)new_size); return NULL; + } new_hdr->no = old_hdr->no; new_hdr->file = old_hdr->file; new_hdr->line = old_hdr->line; @@ -261,8 +269,19 @@ debug_memory_end(unsigned long start_no) for (; entry != &list; entry = entry->prev) { struct debug_memory_header *hdr; void *ptr; + struct debug_memory_footer *ftr; + hdr = LIST_ENTRY(struct debug_memory_header, entry, head); ptr = data_from_header(hdr); + ftr = footer_from_header(hdr); + + if(hdr->magic != DEBUG_MEMORY_MAGIC) { + debug_printf("%s:%u:%s: bad or corrupted memory %p\n", + hdr->file, hdr->line, hdr->function, + ptr); + debug_assert(0); + } + if((start_no <= hdr->no && hdr->no < last_no) || (last_no < start_no && (hdr->no < last_no || start_no <= hdr->no))) { debug_printf("%s:%u:%s: %u bytes at %p not freed\n", @@ -270,7 +289,15 @@ debug_memory_end(unsigned long start_no) hdr->size, ptr); total_size += hdr->size; } + + if(ftr->magic != DEBUG_MEMORY_MAGIC) { + debug_printf("%s:%u:%s: buffer overflow %p\n", + hdr->file, hdr->line, hdr->function, + ptr); + debug_assert(0); + } } + if(total_size) { debug_printf("Total of %u KB of system memory apparently leaked\n", (total_size + 1023)/1024); |