aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_alloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/erl_alloc.c')
-rw-r--r--erts/emulator/beam/erl_alloc.c96
1 files changed, 69 insertions, 27 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index b853ec0f01..f8823b85fe 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -1,19 +1,19 @@
/*
* %CopyrightBegin%
- *
- * Copyright Ericsson AB 2002-2009. All Rights Reserved.
- *
+ *
+ * Copyright Ericsson AB 2002-2010. All Rights Reserved.
+ *
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
- *
+ *
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
- *
+ *
* %CopyrightEnd%
*/
@@ -220,7 +220,7 @@ set_default_ll_alloc_opts(struct au_init *ip)
ip->init.util.ramv = 0;
ip->init.util.mmsbc = 0;
ip->init.util.mmmbc = 0;
- ip->init.util.sbct = ~((Uint) 0);
+ ip->init.util.sbct = ~((UWord) 0);
ip->init.util.name_prefix = "ll_";
ip->init.util.alloc_no = ERTS_ALC_A_LONG_LIVED;
#ifndef SMALL_MEMORY
@@ -394,7 +394,7 @@ static void init_thr_ix(int static_ixs);
void
erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
{
- Uint extra_block_size = 0;
+ UWord extra_block_size = 0;
int i;
erts_alc_hndl_args_init_t init = {
0,
@@ -542,7 +542,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
sys_alloc_opt(SYS_ALLOC_OPT_TRIM_THRESHOLD, init.trim_threshold);
sys_alloc_opt(SYS_ALLOC_OPT_TOP_PAD, init.top_pad);
-
if (erts_allctrs_info[ERTS_FIX_CORE_ALLOCATOR].enabled)
erts_fix_core_allocator_ix = ERTS_FIX_CORE_ALLOCATOR;
else
@@ -719,8 +718,8 @@ start_au_allocator(ErtsAlcType_t alctr_n,
init->init.util.name_prefix);
tspec->allctr = (Allctr_t **) states;
states = ((char *) states) + sizeof(Allctr_t *) * (tspec->size + 1);
- states = ((((Uint) states) & ERTS_CACHE_LINE_MASK)
- ? (void *) ((((Uint) states) & ~ERTS_CACHE_LINE_MASK)
+ states = ((((UWord) states) & ERTS_CACHE_LINE_MASK)
+ ? (void *) ((((UWord) states) & ~ERTS_CACHE_LINE_MASK)
+ ERTS_CACHE_LINE_SIZE)
: (void *) states);
tspec->allctr[0] = init->thr_spec > 0 ? (Allctr_t *) state : (Allctr_t *) NULL;
@@ -1605,12 +1604,13 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg)
}
else {
- Eterm tmp_heap[2];
+ DeclareTmpHeapNoproc(tmp_heap,2);
Eterm wanted_list;
if (is_nil(earg))
return NIL;
+ UseTmpHeapNoproc(2);
if (is_not_atom(earg))
wanted_list = earg;
else {
@@ -1690,15 +1690,18 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg)
atoms[length] = am_maximum;
uintps[length++] = &size.maximum;
}
- }
- else
+ } else {
+ UnUseTmpHeapNoproc(2);
return am_badarg;
+ }
break;
default:
+ UnUseTmpHeapNoproc(2);
return am_badarg;
}
wanted_list = CDR(list_val(wanted_list));
}
+ UnUseTmpHeapNoproc(2);
if (is_not_nil(wanted_list))
return am_badarg;
}
@@ -2285,8 +2288,8 @@ erts_allocator_info_term(void *proc, Eterm which_alloc, int only_sz)
SysAllocStat sas;
Eterm opts_am;
Eterm opts;
- Eterm as[4];
- Eterm ts[4];
+ Eterm as[4]; /* Ok even if !HEAP_ON_C_STACK, not really heap data on stack */
+ Eterm ts[4]; /* Ok even if !HEAP_ON_C_STACK, not really heap data on stack */
int l;
if (only_sz)
@@ -2944,9 +2947,9 @@ unsigned long erts_alc_test(unsigned long op,
#endif
-#define FENCE_SZ (3*sizeof(Uint))
+#define FENCE_SZ (3*sizeof(UWord))
-#ifdef ARCH_64
+#if defined(ARCH_64)
#define FENCE_PATTERN 0xABCDEF97ABCDEF97
#else
#define FENCE_PATTERN 0xABCDEF97
@@ -2956,7 +2959,7 @@ unsigned long erts_alc_test(unsigned long op,
#define TYPE_PATTERN_SHIFT 16
#define FIXED_FENCE_PATTERN_MASK \
- (~((Uint) (TYPE_PATTERN_MASK << TYPE_PATTERN_SHIFT)))
+ (~((UWord) (TYPE_PATTERN_MASK << TYPE_PATTERN_SHIFT)))
#define FIXED_FENCE_PATTERN \
(FENCE_PATTERN & FIXED_FENCE_PATTERN_MASK)
@@ -2967,21 +2970,60 @@ unsigned long erts_alc_test(unsigned long op,
(((P) >> TYPE_PATTERN_SHIFT) & TYPE_PATTERN_MASK)
+#ifdef ERTS_ALLOC_UTIL_HARD_DEBUG
+static void *check_memory_fence(void *ptr, Uint *size, ErtsAlcType_t n, int func);
+
+void check_allocated_block( Uint type, void *blk)
+{
+ Uint dummy;
+ check_memory_fence(blk, &dummy, ERTS_ALC_T2N(type), ERTS_ALC_O_FREE);
+}
+
+void check_allocators(void)
+{
+ int i;
+ if (!erts_initialized)
+ return;
+ for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; ++i) {
+ if (erts_allctrs_info[i].alloc_util) {
+ ErtsAllocatorFunctions_t *real_af = (ErtsAllocatorFunctions_t *) erts_allctrs[i].extra;
+ Allctr_t *allctr = real_af->extra;
+ Carrier_t *ct;
+#ifdef USE_THREADS
+ if (allctr->thread_safe)
+ erts_mtx_lock(&allctr->mutex);
+#endif
+
+ if (allctr->check_mbc) {
+ for (ct = allctr->mbc_list.first; ct; ct = ct->next) {
+ fprintf(stderr,"Checking allocator %d\r\n",i);
+ allctr->check_mbc(allctr,ct);
+ }
+ }
+#ifdef USE_THREADS
+ if (allctr->thread_safe)
+ erts_mtx_unlock(&allctr->mutex);
+#endif
+ }
+ }
+}
+#endif
+
static void *
set_memory_fence(void *ptr, Uint sz, ErtsAlcType_t n)
{
- Uint *ui_ptr;
- Uint pattern;
+ UWord *ui_ptr;
+ UWord pattern;
if (!ptr)
return NULL;
- ui_ptr = (Uint *) ptr;
+ ui_ptr = (UWord *) ptr;
pattern = MK_PATTERN(n);
*(ui_ptr++) = sz;
*(ui_ptr++) = pattern;
- memcpy((void *) (((char *) ui_ptr)+sz), (void *) &pattern, sizeof(Uint));
+ memcpy((void *) (((char *) ui_ptr)+sz), (void *) &pattern, sizeof(UWord));
return (void *) ui_ptr;
}
@@ -2991,14 +3033,14 @@ check_memory_fence(void *ptr, Uint *size, ErtsAlcType_t n, int func)
{
Uint sz;
Uint found_type;
- Uint pre_pattern;
- Uint post_pattern;
- Uint *ui_ptr;
+ UWord pre_pattern;
+ UWord post_pattern;
+ UWord *ui_ptr;
if (!ptr)
return NULL;
- ui_ptr = (Uint *) ptr;
+ ui_ptr = (UWord *) ptr;
pre_pattern = *(--ui_ptr);
*size = sz = *(--ui_ptr);
@@ -3011,7 +3053,7 @@ check_memory_fence(void *ptr, Uint *size, ErtsAlcType_t n, int func)
(unsigned long) ptr);
}
- memcpy((void *) &post_pattern, (void *) (((char *)ptr)+sz), sizeof(Uint));
+ memcpy((void *) &post_pattern, (void *) (((char *)ptr)+sz), sizeof(UWord));
if (post_pattern != MK_PATTERN(n)
|| pre_pattern != post_pattern) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-25 06:33:06 +0000