source: clfs-sysroot/patches/glibc-2.6-branch_update-1.patch@ 58ccb9a

libc/malloc/arena.c

@@ -370 +370 @@
   mp_.top_pad        = DEFAULT_TOP_PAD;
 #endif
   mp_.n_mmaps_max    = DEFAULT_MMAP_MAX;
-#if MALLOC_DEBUG
-  mp_.n_mmaps_cmax   = DEFAULT_MMAP_MAX;
-#endif
   mp_.mmap_threshold = DEFAULT_MMAP_THRESHOLD;
   mp_.trim_threshold = DEFAULT_TRIM_THRESHOLD;
   mp_.pagesize       = malloc_getpagesize;

libc/malloc/malloc.c

@@ -2358 +2358 @@
   /* Memory map support */
   int              n_mmaps;
   int              n_mmaps_max;
-#if MALLOC_DEBUG
-  int              n_mmaps_cmax;
-#endif
   int              max_n_mmaps;
   /* the mmap_threshold is dynamic, until the user sets
      it manually, at which point we need to disable any
@@ -2876 +2873 @@
   assert(total <= (unsigned long)(mp_.max_total_mem));
   assert(mp_.n_mmaps >= 0);
 #endif
-  assert(mp_.n_mmaps <= mp_.n_mmaps_cmax);
-  assert(mp_.n_mmaps_max <= mp_.n_mmaps_cmax);
   assert(mp_.n_mmaps <= mp_.max_n_mmaps);
 
   assert((unsigned long)(av->system_mem) <=
@@ -3475 +3470 @@
     }
 
   mp_.n_mmaps--;
-#if MALLOC_DEBUG
-  if (mp_.n_mmaps_cmax > mp_.n_mmaps_max)
-    {
-      assert (mp_.n_mmaps_cmax == mp_.n_mmaps + 1);
-      mp_.n_mmaps_cmax = mp_.n_mmaps;
-    }
-#endif
   mp_.mmapped_mem -= total_size;
 
   int ret __attribute__ ((unused)) = munmap((char *)block, total_size);
@@ -5397 +5385 @@
   mp_.n_mmaps_max = 0;
   mem = _int_malloc(av, size);
   mp_.n_mmaps_max = mmx;   /* reset mmap */
-#if MALLOC_DEBUG
-  mp_.n_mmaps_cmax = mmx;
-#endif
   if (mem == 0)
     return 0;
 
@@ -5725 +5710 @@
       res = 0;
     else
 #endif
-      {
-#if MALLOC_DEBUG
-        if (mp_.n_mmaps <= value)
-          mp_.n_mmaps_cmax = value;
-        else
-          mp_.n_mmaps_cmax = mp_.n_mmaps;
-#endif
-
-        mp_.n_mmaps_max = value;
-        mp_.no_dyn_threshold = 1;
-      }
+      mp_.n_mmaps_max = value;
+      mp_.no_dyn_threshold = 1;
     break;
 
   case M_CHECK_ACTION:

libc/malloc/hooks.c

@@ -496 +496 @@
    then the hooks are reset to 0.  */
 
 #define MALLOC_STATE_MAGIC   0x444c4541l
-#define MALLOC_STATE_VERSION (0*0x100l + 2l) /* major*0x100 + minor */
+#define MALLOC_STATE_VERSION (0*0x100l + 3l) /* major*0x100 + minor */
 
 struct malloc_save_state {
   long          magic;
@@ -507 +507 @@
   unsigned long trim_threshold;
   unsigned long top_pad;
   unsigned int  n_mmaps_max;
-#if MALLOC_DEBUG
-  unsigned int  n_mmaps_cmax;
-#endif
   unsigned long mmap_threshold;
   int           check_action;
   unsigned long max_sbrked_mem;
@@ -553 +550 @@
   ms->trim_threshold = mp_.trim_threshold;
   ms->top_pad = mp_.top_pad;
   ms->n_mmaps_max = mp_.n_mmaps_max;
-#if MALLOC_DEBUG
-  ms->n_mmaps_cmax = mp_.n_mmaps_cmax;
-#endif
   ms->mmap_threshold = mp_.mmap_threshold;
   ms->check_action = check_action;
   ms->max_sbrked_mem = main_arena.max_system_mem;
@@ -601 +595 @@
       assert(ms->av[2*i+3] == 0);
       first(b) = last(b) = b;
     } else {
-      if(i<NSMALLBINS || (largebin_index(chunksize(ms->av[2*i+2]))==i &&
-                          largebin_index(chunksize(ms->av[2*i+3]))==i)) {
+      if(ms->version >= 3 &&
+         (i<NSMALLBINS || (largebin_index(chunksize(ms->av[2*i+2]))==i &&
+                           largebin_index(chunksize(ms->av[2*i+3]))==i))) {
         first(b) = ms->av[2*i+2];
         last(b) = ms->av[2*i+3];
         /* Make sure the links to the bins within the heap are correct.  */
@@ -622 +617 @@
       }
     }
   }
+  if (ms->version < 3) {
+    /* Clear fd_nextsize and bk_nextsize fields.  */
+    b = unsorted_chunks(&main_arena)->fd;
+    while (b != unsorted_chunks(&main_arena)) {
+      if (!in_smallbin_range(chunksize(b))) {
+        b->fd_nextsize = NULL;
+        b->bk_nextsize = NULL;
+      }
+      b = b->fd;
+    }
+  }
   mp_.sbrk_base = ms->sbrk_base;
   main_arena.system_mem = ms->sbrked_mem_bytes;
   mp_.trim_threshold = ms->trim_threshold;
   mp_.top_pad = ms->top_pad;
   mp_.n_mmaps_max = ms->n_mmaps_max;
-#if MALLOC_DEBUG
-  mp_.n_mmaps_cmax = ms->n_mmaps_cmax;
-#endif
   mp_.mmap_threshold = ms->mmap_threshold;
   check_action = ms->check_action;
   main_arena.max_system_mem = ms->max_sbrked_mem;

libc/malloc/Makefile

@@ -104 +104 @@
 include ../Rules
 
 CFLAGS-mcheck-init.c = $(PIC-ccflag)
-CFLAGS-malloc.c += -DMALLOC_DEBUG
 
 $(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
         -rm -f $@