diff options
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/hooks.c | 26 | ||||
| -rw-r--r-- | malloc/malloc.c | 33 |
2 files changed, 40 insertions, 19 deletions
diff --git a/malloc/hooks.c b/malloc/hooks.c index fe89db83f4..72c29293d9 100644 --- a/malloc/hooks.c +++ b/malloc/hooks.c @@ -358,7 +358,7 @@ realloc_check(oldmem, bytes, caller) if (top_check() >= 0) { INTERNAL_SIZE_T nb; checked_request2size(bytes + 1, nb); - newmem = _int_realloc(&main_arena, oldp, nb); + newmem = _int_realloc(&main_arena, oldp, oldsize, nb); } #if 0 /* Erase freed memory. */ if(newmem) @@ -501,7 +501,7 @@ free_starter(mem, caller) Void_t* mem; const Void_t *caller; then the hooks are reset to 0. */ #define MALLOC_STATE_MAGIC 0x444c4541l -#define MALLOC_STATE_VERSION (0*0x100l + 3l) /* major*0x100 + minor */ +#define MALLOC_STATE_VERSION (0*0x100l + 4l) /* major*0x100 + minor */ struct malloc_save_state { long magic; @@ -521,6 +521,10 @@ struct malloc_save_state { unsigned long mmapped_mem; unsigned long max_mmapped_mem; int using_malloc_checking; + unsigned long max_fast; + unsigned long arena_test; + unsigned long arena_max; + unsigned long narenas; }; Void_t* @@ -568,6 +572,12 @@ public_gET_STATe(void) ms->mmapped_mem = mp_.mmapped_mem; ms->max_mmapped_mem = mp_.max_mmapped_mem; ms->using_malloc_checking = using_malloc_checking; + ms->max_fast = get_max_fast(); +#ifdef PER_THREAD + ms->arena_test = mp_.arena_test; + ms->arena_max = mp_.arena_max; + ms->narenas = narenas; +#endif (void)mutex_unlock(&main_arena.mutex); return (Void_t*)ms; } @@ -587,7 +597,10 @@ public_sET_STATe(Void_t* msptr) (void)mutex_lock(&main_arena.mutex); /* There are no fastchunks. */ clear_fastchunks(&main_arena); - set_max_fast(DEFAULT_MXFAST); + if (ms->version >= 4) + set_max_fast(ms->max_fast); + else + set_max_fast(64); /* 64 used to be the value we always used. */ for (i=0; i<NFASTBINS; ++i) fastbin (&main_arena, i) = 0; for (i=0; i<BINMAPSIZE; ++i) @@ -663,6 +676,13 @@ public_sET_STATe(Void_t* msptr) using_malloc_checking = 0; } } + if (ms->version >= 4) { +#ifdef PER_THREAD + mp_.arena_test = ms->arena_test; + mp_.arena_max = ms->arena_max; + narenas = ms->narenas; +#endif + } check_malloc_state(&main_arena); (void)mutex_unlock(&main_arena.mutex); diff --git a/malloc/malloc.c b/malloc/malloc.c index bb7ea36c80..48a73799e2 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -1586,7 +1586,8 @@ static void _int_free(mstate, mchunkptr, int); #else static void _int_free(mstate, mchunkptr); #endif -static Void_t* _int_realloc(mstate, mchunkptr, INTERNAL_SIZE_T); +static Void_t* _int_realloc(mstate, mchunkptr, INTERNAL_SIZE_T, + INTERNAL_SIZE_T); static Void_t* _int_memalign(mstate, size_t, size_t); static Void_t* _int_valloc(mstate, size_t); static Void_t* _int_pvalloc(mstate, size_t); @@ -3778,7 +3779,7 @@ public_rEALLOc(Void_t* oldmem, size_t bytes) tsd_setspecific(arena_key, (Void_t *)ar_ptr); #endif - newp = _int_realloc(ar_ptr, oldp, nb); + newp = _int_realloc(ar_ptr, oldp, oldsize, nb); (void)mutex_unlock(&ar_ptr->mutex); assert(!newp || chunk_is_mmapped(mem2chunk(newp)) || @@ -5102,7 +5103,8 @@ static void malloc_consolidate(av) mstate av; */ Void_t* -_int_realloc(mstate av, mchunkptr oldp, INTERNAL_SIZE_T nb) +_int_realloc(mstate av, mchunkptr oldp, INTERNAL_SIZE_T oldsize, + INTERNAL_SIZE_T nb) { mchunkptr newp; /* chunk to return */ INTERNAL_SIZE_T newsize; /* its size */ @@ -5123,28 +5125,25 @@ _int_realloc(mstate av, mchunkptr oldp, INTERNAL_SIZE_T nb) const char *errstr = NULL; - /* Simple tests for old block integrity. */ - if (__builtin_expect (misaligned_chunk (oldp), 0)) - { - errstr = "realloc(): invalid pointer"; - errout: - malloc_printerr (check_action, errstr, chunk2mem(oldp)); - return NULL; - } - /* oldmem size */ - const INTERNAL_SIZE_T oldsize = chunksize(oldp); - if (__builtin_expect (oldp->size <= 2 * SIZE_SZ, 0) || __builtin_expect (oldsize >= av->system_mem, 0)) { errstr = "realloc(): invalid old size"; - goto errout; + errout: + malloc_printerr (check_action, errstr, chunk2mem(oldp)); + return NULL; } check_inuse_chunk(av, oldp); - if (!chunk_is_mmapped(oldp)) { + /* All callers already filter out mmap'ed chunks. */ +#if 0 + if (!chunk_is_mmapped(oldp)) +#else + assert (!chunk_is_mmapped(oldp)); +#endif + { next = chunk_at_offset(oldp, oldsize); INTERNAL_SIZE_T nextsize = chunksize(next); @@ -5271,6 +5270,7 @@ _int_realloc(mstate av, mchunkptr oldp, INTERNAL_SIZE_T nb) return chunk2mem(newp); } +#if 0 /* Handle mmap cases */ @@ -5339,6 +5339,7 @@ _int_realloc(mstate av, mchunkptr oldp, INTERNAL_SIZE_T nb) return 0; #endif } +#endif } /* |