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-rw-r--r--erts/emulator/beam/erl_alloc_util.c123
1 files changed, 81 insertions, 42 deletions
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 2995f2f822..6fddba4b34 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2002-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2002-2017. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -821,7 +821,7 @@ static void clear_literal_range(void* start, Uint size)
#if HAVE_ERTS_MSEG
-void*
+static void*
erts_alcu_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
{
void *res;
@@ -832,7 +832,7 @@ erts_alcu_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
return res;
}
-void*
+static void*
erts_alcu_mseg_realloc(Allctr_t *allctr, void *seg,
Uint old_size, Uint *new_size_p)
{
@@ -845,7 +845,7 @@ erts_alcu_mseg_realloc(Allctr_t *allctr, void *seg,
return res;
}
-void
+static void
erts_alcu_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size, Uint flags)
{
erts_mseg_dealloc_opt(allctr->alloc_no, seg, (UWord) size, flags, &allctr->mseg_opt);
@@ -907,7 +907,9 @@ erts_alcu_literal_32_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
#elif defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
-/* Used by literal allocator that has its own mmapper (super carrier) */
+/* For allocators that have their own mmapper (super carrier),
+ * like literal_alloc and exec_alloc on amd64
+ */
void*
erts_alcu_mmapper_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
{
@@ -948,9 +950,53 @@ erts_alcu_mmapper_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
}
#endif /* ARCH_64 && ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION */
-#endif /* HAVE_ERTS_MSEG */
+#if defined(ERTS_ALC_A_EXEC) && !defined(ERTS_HAVE_EXEC_MMAPPER)
+
+/*
+ * For exec_alloc on non-amd64 that just need memory with PROT_EXEC
+ */
+void*
+erts_alcu_exec_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
+{
+ void* res = erts_alcu_mseg_alloc(allctr, size_p, flags);
+
+ if (res) {
+ int r = mprotect(res, *size_p, PROT_EXEC | PROT_READ | PROT_WRITE);
+ ASSERT(r == 0); (void)r;
+ }
+ return res;
+}
void*
+erts_alcu_exec_mseg_realloc(Allctr_t *allctr, void *seg,
+ Uint old_size, Uint *new_size_p)
+{
+ void *res;
+
+ if (seg && old_size) {
+ int r = mprotect(seg, old_size, PROT_READ | PROT_WRITE);
+ ASSERT(r == 0); (void)r;
+ }
+ res = erts_alcu_mseg_realloc(allctr, seg, old_size, new_size_p);
+ if (res) {
+ int r = mprotect(res, *new_size_p, PROT_EXEC | PROT_READ | PROT_WRITE);
+ ASSERT(r == 0); (void)r;
+ }
+ return res;
+}
+
+void
+erts_alcu_exec_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size, Uint flags)
+{
+ int r = mprotect(seg, size, PROT_READ | PROT_WRITE);
+ ASSERT(r == 0); (void)r;
+ erts_alcu_mseg_dealloc(allctr, seg, size, flags);
+}
+#endif /* ERTS_ALC_A_EXEC && !ERTS_HAVE_EXEC_MMAPPER */
+
+#endif /* HAVE_ERTS_MSEG */
+
+static void*
erts_alcu_sys_alloc(Allctr_t *allctr, Uint* size_p, int superalign)
{
void *res;
@@ -967,7 +1013,7 @@ erts_alcu_sys_alloc(Allctr_t *allctr, Uint* size_p, int superalign)
return res;
}
-void*
+static void*
erts_alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint *size_p, Uint old_size, int superalign)
{
void *res;
@@ -989,7 +1035,7 @@ erts_alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint *size_p, Uint old_size,
return res;
}
-void
+static void
erts_alcu_sys_dealloc(Allctr_t *allctr, void *ptr, Uint size, int superalign)
{
#if ERTS_SA_MB_CARRIERS && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
@@ -1361,6 +1407,7 @@ fix_cpool_alloc(Allctr_t *allctr, ErtsAlcType_t type, Uint size)
&& type <= ERTS_ALC_N_MAX_A_FIXED_SIZE);
fix = &allctr->fix[type - ERTS_ALC_N_MIN_A_FIXED_SIZE];
+ ASSERT(size == fix->type_size);
res = fix->list;
if (res) {
@@ -1372,8 +1419,6 @@ fix_cpool_alloc(Allctr_t *allctr, ErtsAlcType_t type, Uint size)
fix_cpool_check_shrink(allctr, type, fix, NULL);
return res;
}
- if (size < 2*sizeof(UWord))
- size += sizeof(UWord);
if (size >= allctr->sbc_threshold) {
Block_t *blk;
blk = create_carrier(allctr, size, CFLG_SBC);
@@ -1493,6 +1538,7 @@ fix_nocpool_alloc(Allctr_t *allctr, ErtsAlcType_t type, Uint size)
&& type <= ERTS_ALC_N_MAX_A_FIXED_SIZE);
fix = &allctr->fix[type - ERTS_ALC_N_MIN_A_FIXED_SIZE];
+ ASSERT(size == fix->type_size);
ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1);
fix->u.nocpool.used++;
@@ -1515,8 +1561,6 @@ fix_nocpool_alloc(Allctr_t *allctr, ErtsAlcType_t type, Uint size)
ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0);
return res;
}
- if (size < 2*sizeof(UWord))
- size += sizeof(UWord);
if (fix->u.nocpool.limit < fix->u.nocpool.used)
fix->u.nocpool.limit = fix->u.nocpool.used;
if (fix->u.nocpool.max_used < fix->u.nocpool.used)
@@ -4153,9 +4197,9 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
ASSERT(IS_LAST_BLK(blk));
#ifdef ERTS_ALLOC_UTIL_HARD_DEBUG
- (*allctr->link_free_block)(allctr, blk, 0);
+ (*allctr->link_free_block)(allctr, blk);
HARD_CHECK_BLK_CARRIER(allctr, blk);
- (*allctr->unlink_free_block)(allctr, blk, 0);
+ (*allctr->unlink_free_block)(allctr, blk);
#endif
}
#endif
@@ -4473,7 +4517,7 @@ add_fix_types(Allctr_t *allctr, int internal, Uint **hpp, Uint *szp,
static Eterm
sz_info_fix(Allctr_t *allctr,
int internal,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -4494,7 +4538,7 @@ sz_info_fix(Allctr_t *allctr,
UWord used = fix->type_size * fix->u.cpool.used;
if (print_to_p) {
- int to = *print_to_p;
+ fmtfn_t to = *print_to_p;
void *arg = print_to_arg;
erts_print(to,
arg,
@@ -4522,7 +4566,7 @@ sz_info_fix(Allctr_t *allctr,
UWord used = fix->type_size*fix->u.nocpool.used;
if (print_to_p) {
- int to = *print_to_p;
+ fmtfn_t to = *print_to_p;
void *arg = print_to_arg;
erts_print(to,
arg,
@@ -4548,7 +4592,7 @@ static Eterm
sz_info_carriers(Allctr_t *allctr,
CarriersStats_t *cs,
char *prefix,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -4557,7 +4601,7 @@ sz_info_carriers(Allctr_t *allctr,
UWord curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size;
if (print_to_p) {
- int to = *print_to_p;
+ fmtfn_t to = *print_to_p;
void *arg = print_to_arg;
erts_print(to,
arg,
@@ -4598,7 +4642,7 @@ static Eterm
info_cpool(Allctr_t *allctr,
int sz_only,
char *prefix,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -4615,7 +4659,7 @@ info_cpool(Allctr_t *allctr,
}
if (print_to_p) {
- int to = *print_to_p;
+ fmtfn_t to = *print_to_p;
void *arg = print_to_arg;
if (!sz_only)
erts_print(to, arg, "%sblocks: %bpu\n", prefix, nob);
@@ -4652,7 +4696,7 @@ static Eterm
info_carriers(Allctr_t *allctr,
CarriersStats_t *cs,
char *prefix,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -4664,7 +4708,7 @@ info_carriers(Allctr_t *allctr,
curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size;
if (print_to_p) {
- int to = *print_to_p;
+ fmtfn_t to = *print_to_p;
void *arg = print_to_arg;
erts_print(to,
arg,
@@ -4790,7 +4834,7 @@ make_name_atoms(Allctr_t *allctr)
static Eterm
info_calls(Allctr_t *allctr,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -4807,7 +4851,7 @@ info_calls(Allctr_t *allctr,
erts_print(TO, TOA, "%s%s calls: %b64u\n",PRFX,NAME,CC)
char *prefix = allctr->name_prefix;
- int to = *print_to_p;
+ fmtfn_t to = *print_to_p;
void *arg = print_to_arg;
PRINT_CC_5(to, arg, prefix, "alloc", allctr->calls.this_alloc);
@@ -4883,7 +4927,7 @@ info_calls(Allctr_t *allctr,
static Eterm
info_options(Allctr_t *allctr,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -5035,7 +5079,7 @@ reset_max_values(CarriersStats_t *cs)
\* */
Eterm
-erts_alcu_au_info_options(int *print_to_p, void *print_to_arg,
+erts_alcu_au_info_options(fmtfn_t *print_to_p, void *print_to_arg,
Uint **hpp, Uint *szp)
{
Eterm res = THE_NON_VALUE;
@@ -5078,7 +5122,7 @@ erts_alcu_au_info_options(int *print_to_p, void *print_to_arg,
Eterm
erts_alcu_info_options(Allctr_t *allctr,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -5110,7 +5154,7 @@ Eterm
erts_alcu_sz_info(Allctr_t *allctr,
int internal,
int begin_max_period,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -5142,7 +5186,7 @@ erts_alcu_sz_info(Allctr_t *allctr,
ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr);
- /* Update sbc values not continously updated */
+ /* Update sbc values not continuously updated */
allctr->sbcs.blocks.curr.no
= allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no;
allctr->sbcs.blocks.max.no = allctr->sbcs.max.no;
@@ -5196,7 +5240,7 @@ Eterm
erts_alcu_info(Allctr_t *allctr,
int internal,
int begin_max_period,
- int *print_to_p,
+ fmtfn_t *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
@@ -5228,7 +5272,7 @@ erts_alcu_info(Allctr_t *allctr,
ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr);
- /* Update sbc values not continously updated */
+ /* Update sbc values not continuously updated */
allctr->sbcs.blocks.curr.no
= allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no;
allctr->sbcs.blocks.max.no = allctr->sbcs.max.no;
@@ -6039,7 +6083,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
goto error;
allctr->min_block_size = UNIT_CEILING(allctr->min_block_size
+ sizeof(FreeBlkFtr_t));
-#if ERTS_SMP
+#ifdef ERTS_SMP
if (init->tpref) {
Uint sz = ABLK_HDR_SZ;
sz += (init->fix ?
@@ -6090,18 +6134,18 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
#ifdef USE_THREADS
if (init->ts) {
allctr->thread_safe = 1;
-
+
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_mtx_init_x_opt(&allctr->mutex,
"alcu_allocator",
make_small(allctr->alloc_no),
- ERTS_LCNT_LT_ALLOC,1);
+ ERTS_LCNT_LT_ALLOC);
#else
erts_mtx_init_x(&allctr->mutex,
"alcu_allocator",
- make_small(allctr->alloc_no),1);
+ make_small(allctr->alloc_no));
#endif /*ERTS_ENABLE_LOCK_COUNT*/
-
+
#ifdef DEBUG
allctr->debug.saved_tid = 0;
#endif
@@ -6440,11 +6484,6 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk)
ASSERT(SBC2BLK(allctr, sbc) == iblk);
ASSERT(CARRIER_SZ(sbc) - SBC_HEADER_SIZE >= SBC_BLK_SZ(iblk));
-#if HAVE_ERTS_MSEG
- if (IS_MSEG_CARRIER(sbc)) {
- ASSERT(CARRIER_SZ(sbc) % ERTS_SACRR_UNIT_SZ == 0);
- }
-#endif
crr = sbc;
cl = &allctr->sbc_list;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 12:53:56 +0000