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-rw-r--r--erts/emulator/beam/atom.names2
-rw-r--r--erts/emulator/beam/beam_bif_load.c323
-rw-r--r--erts/emulator/beam/beam_debug.c55
-rw-r--r--erts/emulator/beam/beam_emu.c41
-rw-r--r--erts/emulator/beam/beam_load.c115
-rw-r--r--erts/emulator/beam/beam_load.h2
-rw-r--r--erts/emulator/beam/bif.c19
-rw-r--r--erts/emulator/beam/bif.tab50
-rw-r--r--erts/emulator/beam/copy.c84
-rw-r--r--erts/emulator/beam/erl_bif_guard.c65
-rw-r--r--erts/emulator/beam/erl_bif_info.c35
-rw-r--r--erts/emulator/beam/erl_db.c30
-rw-r--r--erts/emulator/beam/erl_db.h4
-rw-r--r--erts/emulator/beam/erl_db_hash.c648
-rw-r--r--erts/emulator/beam/erl_db_hash.h17
-rw-r--r--erts/emulator/beam/erl_gc.c8
-rw-r--r--erts/emulator/beam/erl_init.c4
-rw-r--r--erts/emulator/beam/erl_lock_check.c2
-rw-r--r--erts/emulator/beam/erl_math.c10
-rw-r--r--erts/emulator/beam/erl_message.c17
-rw-r--r--erts/emulator/beam/erl_nif.c128
-rw-r--r--erts/emulator/beam/erl_process.c46
-rw-r--r--erts/emulator/beam/erl_vm.h7
-rw-r--r--erts/emulator/beam/global.h89
-rw-r--r--erts/emulator/beam/ops.tab12
-rw-r--r--erts/emulator/beam/sys.h6
26 files changed, 813 insertions, 1006 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 2b66bf6f4e..66af05c1f2 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -366,6 +366,7 @@ atom long_schedule
atom low
atom Lt='<'
atom machine
+atom major
atom match
atom match_limit
atom match_limit_recursion
@@ -395,6 +396,7 @@ atom milli_seconds
atom millisecond
atom min_heap_size
atom min_bin_vheap_size
+atom minor
atom minor_version
atom Minus='-'
atom module
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 5969197168..153fa205ed 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -65,7 +65,6 @@ erts_smp_atomic_t erts_copy_literal_area__;
#define ERTS_SET_COPY_LITERAL_AREA(LA) \
erts_smp_atomic_set_nob(&erts_copy_literal_area__, \
(erts_aint_t) (LA))
-#ifdef ERTS_NEW_PURGE_STRATEGY
Process *erts_literal_area_collector = NULL;
typedef struct ErtsLiteralAreaRef_ ErtsLiteralAreaRef;
@@ -79,10 +78,9 @@ struct {
ErtsLiteralAreaRef *first;
ErtsLiteralAreaRef *last;
} release_literal_areas;
-#endif
static void set_default_trace_pattern(Eterm module);
-static Eterm check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls);
+static Eterm check_process_code(Process* rp, Module* modp, int *redsp, int fcalls);
static void delete_code(Module* modp);
static int any_heap_ref_ptrs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size);
static int any_heap_refs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size);
@@ -113,11 +111,9 @@ init_purge_state(void)
void
erts_beam_bif_load_init(void)
{
-#ifdef ERTS_NEW_PURGE_STRATEGY
erts_smp_mtx_init(&release_literal_areas.mtx, "release_literal_areas");
release_literal_areas.first = NULL;
release_literal_areas.last = NULL;
-#endif
erts_smp_atomic_init_nob(&erts_copy_literal_area__,
(erts_aint_t) NULL);
@@ -547,7 +543,7 @@ check_old_code_1(BIF_ALIST_1)
}
Eterm
-erts_check_process_code(Process *c_p, Eterm module, Uint flags, int *redsp, int fcalls)
+erts_check_process_code(Process *c_p, Eterm module, int *redsp, int fcalls)
{
Module* modp;
Eterm res;
@@ -562,31 +558,23 @@ erts_check_process_code(Process *c_p, Eterm module, Uint flags, int *redsp, int
if (!modp)
return am_false;
erts_rlock_old_code(code_ix);
- res = (!modp->old.code_hdr ? am_false :
- check_process_code(c_p, modp, flags, redsp, fcalls));
+ res = (!modp->old.code_hdr
+ ? am_false
+ : check_process_code(c_p, modp, redsp, fcalls));
erts_runlock_old_code(code_ix);
return res;
}
-BIF_RETTYPE erts_internal_check_process_code_2(BIF_ALIST_2)
+BIF_RETTYPE erts_internal_check_process_code_1(BIF_ALIST_1)
{
int reds = 0;
- Uint flags;
Eterm res;
if (is_not_atom(BIF_ARG_1))
goto badarg;
- if (is_not_small(BIF_ARG_2))
- goto badarg;
-
- flags = unsigned_val(BIF_ARG_2);
- if (flags & ~ERTS_CPC_ALL) {
- goto badarg;
- }
-
- res = erts_check_process_code(BIF_P, BIF_ARG_1, flags, &reds, BIF_P->fcalls);
+ res = erts_check_process_code(BIF_P, BIF_ARG_1, &reds, BIF_P->fcalls);
ASSERT(is_value(res));
@@ -622,7 +610,7 @@ BIF_RETTYPE erts_internal_check_dirty_process_code_2(BIF_ALIST_2)
if (!rp)
BIF_RET(am_false);
- res = erts_check_process_code(rp, BIF_ARG_2, 0, &reds, BIF_P->fcalls);
+ res = erts_check_process_code(rp, BIF_ARG_2, &reds, BIF_P->fcalls);
if (BIF_P != rp)
erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MAIN);
@@ -871,32 +859,12 @@ set_default_trace_pattern(Eterm module)
}
}
-#ifndef ERTS_NEW_PURGE_STRATEGY
-
-static ERTS_INLINE int
-check_mod_funs(Process *p, ErlOffHeap *off_heap, char *area, size_t area_size)
-{
- struct erl_off_heap_header* oh;
- for (oh = off_heap->first; oh; oh = oh->next) {
- if (thing_subtag(oh->thing_word) == FUN_SUBTAG) {
- ErlFunThing* funp = (ErlFunThing*) oh;
- if (ErtsInArea(funp->fe->address, area, area_size))
- return !0;
- }
- }
- return 0;
-}
-
-#endif
-
static Uint hfrag_literal_size(Eterm* start, Eterm* end,
char* lit_start, Uint lit_size);
static void hfrag_literal_copy(Eterm **hpp, ErlOffHeap *ohp,
Eterm *start, Eterm *end,
char *lit_start, Uint lit_size);
-#ifdef ERTS_NEW_PURGE_STRATEGY
-
Eterm
erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed)
{
@@ -1063,7 +1031,7 @@ literal_gc:
}
static Eterm
-check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls)
+check_process_code(Process* rp, Module* modp, int *redsp, int fcalls)
{
BeamInstr* start;
char* mod_start;
@@ -1128,253 +1096,6 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls
return am_false;
}
-#else /* !ERTS_NEW_PURGE_STRATEGY, i.e, old style purge... */
-
-static Eterm
-check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls)
-{
- BeamInstr* start;
- char* literals;
- Uint lit_bsize;
- char* mod_start;
- Uint mod_size;
- Eterm* sp;
- int done_gc = 0;
- int need_gc = 0;
- ErtsMessage *msgp;
- ErlHeapFragment *hfrag;
-
-#define ERTS_ORDINARY_GC__ (1 << 0)
-#define ERTS_LITERAL_GC__ (1 << 1)
-
- /*
- * Pick up limits for the module.
- */
- start = (BeamInstr*) modp->old.code_hdr;
- mod_start = (char *) start;
- mod_size = modp->old.code_length;
-
- /*
- * Check if current instruction or continuation pointer points into module.
- */
- if (ErtsInArea(rp->i, mod_start, mod_size)
- || ErtsInArea(rp->cp, mod_start, mod_size)) {
- return am_true;
- }
-
- /*
- * Check all continuation pointers stored on the stack.
- */
- for (sp = rp->stop; sp < STACK_START(rp); sp++) {
- if (is_CP(*sp) && ErtsInArea(cp_val(*sp), mod_start, mod_size)) {
- return am_true;
- }
- }
-
- /*
- * Check all continuation pointers stored in stackdump
- * and clear exception stackdump if there is a pointer
- * to the module.
- */
- if (rp->ftrace != NIL) {
- struct StackTrace *s;
- ASSERT(is_list(rp->ftrace));
- s = (struct StackTrace *) big_val(CDR(list_val(rp->ftrace)));
- if ((s->pc && ErtsInArea(s->pc, mod_start, mod_size)) ||
- (s->current && ErtsInArea(s->current, mod_start, mod_size))) {
- rp->freason = EXC_NULL;
- rp->fvalue = NIL;
- rp->ftrace = NIL;
- } else {
- int i;
- for (i = 0; i < s->depth; i++) {
- if (ErtsInArea(s->trace[i], mod_start, mod_size)) {
- rp->freason = EXC_NULL;
- rp->fvalue = NIL;
- rp->ftrace = NIL;
- break;
- }
- }
- }
- }
-
- if (rp->flags & F_DISABLE_GC) {
- /*
- * Cannot proceed. Process has disabled gc in order to
- * safely leave inconsistent data on the heap and/or
- * off heap lists. Need to wait for gc to be enabled
- * again.
- */
- return THE_NON_VALUE;
- }
-
- /*
- * Message queue can contains funs, and may contain
- * literals. If we got references to this module from the message
- * queue.
- *
- * If a literal is in the message queue we maka an explicit copy of
- * and attach it to the heap fragment. Each message needs to be
- * self contained, we cannot save the literal in the old_heap or
- * any other heap than the message it self.
- */
-
- erts_smp_proc_lock(rp, ERTS_PROC_LOCK_MSGQ);
- ERTS_SMP_MSGQ_MV_INQ2PRIVQ(rp);
- erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MSGQ);
-
- if (modp->old.code_hdr->literal_area) {
- literals = (char*) modp->old.code_hdr->literal_area->start;
- lit_bsize = (char*) modp->old.code_hdr->literal_area->end - literals;
- }
- else {
- literals = NULL;
- lit_bsize = 0;
- }
-
- for (msgp = rp->msg.first; msgp; msgp = msgp->next) {
- if (msgp->data.attached == ERTS_MSG_COMBINED_HFRAG)
- hfrag = &msgp->hfrag;
- else if (is_value(ERL_MESSAGE_TERM(msgp)) && msgp->data.heap_frag)
- hfrag = msgp->data.heap_frag;
- else
- continue;
- {
- ErlHeapFragment *hf;
- Uint lit_sz;
- for (hf=hfrag; hf; hf = hf->next) {
- if (check_mod_funs(rp, &hfrag->off_heap, mod_start, mod_size))
- return am_true;
- lit_sz = hfrag_literal_size(&hf->mem[0], &hf->mem[hf->used_size],
- literals, lit_bsize);
- }
- if (lit_sz > 0) {
- ErlHeapFragment *bp = new_message_buffer(lit_sz);
- Eterm *hp = bp->mem;
-
- for (hf=hfrag; hf; hf = hf->next) {
- hfrag_literal_copy(&hp, &bp->off_heap,
- &hf->mem[0], &hf->mem[hf->used_size],
- literals, lit_bsize);
- hfrag=hf;
- }
- /* link new hfrag last */
- ASSERT(hfrag->next == NULL);
- hfrag->next = bp;
- bp->next = NULL;
- }
- }
- }
-
- while (1) {
-
- /* Check heap, stack etc... */
- if (check_mod_funs(rp, &rp->off_heap, mod_start, mod_size))
- goto try_gc;
- if (any_heap_ref_ptrs(&rp->fvalue, &rp->fvalue+1, literals, lit_bsize)) {
- rp->freason = EXC_NULL;
- rp->fvalue = NIL;
- rp->ftrace = NIL;
- }
- if (any_heap_ref_ptrs(rp->stop, rp->hend, literals, lit_bsize))
- goto try_literal_gc;
-#ifdef HIPE
- if (nstack_any_heap_ref_ptrs(rp, literals, lit_bsize))
- goto try_literal_gc;
-#endif
- if (any_heap_refs(rp->heap, rp->htop, literals, lit_bsize))
- goto try_literal_gc;
- if (any_heap_refs(rp->old_heap, rp->old_htop, literals, lit_bsize))
- goto try_literal_gc;
-
- /* Check dictionary */
- if (rp->dictionary) {
- Eterm* start = ERTS_PD_START(rp->dictionary);
- Eterm* end = start + ERTS_PD_SIZE(rp->dictionary);
-
- if (any_heap_ref_ptrs(start, end, literals, lit_bsize))
- goto try_literal_gc;
- }
-
- /* Check heap fragments */
- for (hfrag = rp->mbuf; hfrag; hfrag = hfrag->next) {
- Eterm *hp, *hp_end;
- /* Off heap lists should already have been moved into process */
- ASSERT(!check_mod_funs(rp, &hfrag->off_heap, mod_start, mod_size));
-
- hp = &hfrag->mem[0];
- hp_end = &hfrag->mem[hfrag->used_size];
- if (any_heap_refs(hp, hp_end, literals, lit_bsize))
- goto try_literal_gc;
- }
-
- /*
- * Message buffer fragments (matched messages)
- * - off heap lists should already have been moved into
- * process off heap structure.
- * - Check for literals
- */
- for (msgp = rp->msg_frag; msgp; msgp = msgp->next) {
- hfrag = erts_message_to_heap_frag(msgp);
- for (; hfrag; hfrag = hfrag->next) {
- Eterm *hp, *hp_end;
- ASSERT(!check_mod_funs(rp, &hfrag->off_heap, mod_start, mod_size));
-
- hp = &hfrag->mem[0];
- hp_end = &hfrag->mem[hfrag->used_size];
-
- if (any_heap_refs(hp, hp_end, literals, lit_bsize))
- goto try_literal_gc;
- }
- }
-
- return am_false;
-
- try_literal_gc:
- need_gc |= ERTS_LITERAL_GC__;
-
- try_gc:
- need_gc |= ERTS_ORDINARY_GC__;
-
- if ((done_gc & need_gc) == need_gc)
- return am_true;
-
- if (!(flags & ERTS_CPC_ALLOW_GC))
- return am_aborted;
-
- need_gc &= ~done_gc;
-
- /*
- * Try to get rid of literals by by garbage collecting.
- * Clear both fvalue and ftrace.
- */
-
- rp->freason = EXC_NULL;
- rp->fvalue = NIL;
- rp->ftrace = NIL;
-
- if (need_gc & ERTS_ORDINARY_GC__) {
- FLAGS(rp) |= F_NEED_FULLSWEEP;
- *redsp += erts_garbage_collect_nobump(rp, 0, rp->arg_reg, rp->arity, fcalls);
- done_gc |= ERTS_ORDINARY_GC__;
- }
- if (need_gc & ERTS_LITERAL_GC__) {
- struct erl_off_heap_header* oh;
- oh = modp->old.code_hdr->literal_area->off_heap;
- *redsp += lit_bsize / 64; /* Need, better value... */
- erts_garbage_collect_literals(rp, (Eterm*)literals, lit_bsize, oh);
- done_gc |= ERTS_LITERAL_GC__;
- }
- need_gc = 0;
- }
-
-#undef ERTS_ORDINARY_GC__
-#undef ERTS_LITERAL_GC__
-
-}
-
-#endif /* !ERTS_NEW_PURGE_STRATEGY */
-
static int
any_heap_ref_ptrs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size)
{
@@ -1503,8 +1224,6 @@ hfrag_literal_copy(Eterm **hpp, ErlOffHeap *ohp,
}
}
-#ifdef ERTS_NEW_PURGE_STRATEGY
-
#ifdef ERTS_SMP
ErtsThrPrgrLaterOp later_literal_area_switch;
@@ -1535,13 +1254,8 @@ complete_literal_area_switch(void *literal_area)
}
#endif
-#endif /* ERTS_NEW_PURGE_STRATEGY */
-
BIF_RETTYPE erts_internal_release_literal_area_switch_0(BIF_ALIST_0)
{
-#ifndef ERTS_NEW_PURGE_STRATEGY
- BIF_ERROR(BIF_P, EXC_NOTSUP);
-#else
ErtsLiteralArea *unused_la;
ErtsLiteralAreaRef *la_ref;
@@ -1600,7 +1314,6 @@ BIF_RETTYPE erts_internal_release_literal_area_switch_0(BIF_ALIST_0)
BIF_RET(am_true);
#endif
-#endif /* ERTS_NEW_PURGE_STRATEGY */
}
void
@@ -1794,10 +1507,6 @@ BIF_RETTYPE erts_internal_purge_module_2(BIF_ALIST_2)
code = (BeamInstr*) modp->old.code_hdr;
end = (BeamInstr *)((char *)code + modp->old.code_length);
erts_fun_purge_prepare(code, end);
-#if !defined(ERTS_NEW_PURGE_STRATEGY)
- ASSERT(!ERTS_COPY_LITERAL_AREA());
- ERTS_SET_COPY_LITERAL_AREA(modp->old.code_hdr->literal_area);
-#endif
}
if (BIF_ARG_2 == am_prepare_on_load) {
@@ -1842,10 +1551,6 @@ BIF_RETTYPE erts_internal_purge_module_2(BIF_ALIST_2)
erts_fun_purge_abort_prepare(purge_state.funs, purge_state.fe_ix);
-#if !defined(ERTS_NEW_PURGE_STRATEGY)
- ASSERT(ERTS_COPY_LITERAL_AREA());
- ERTS_SET_COPY_LITERAL_AREA(NULL);
-#endif
#ifndef ERTS_SMP
erts_fun_purge_abort_finalize(purge_state.funs, purge_state.fe_ix);
finalize_purge_operation(BIF_P, 0);
@@ -1960,14 +1665,6 @@ BIF_RETTYPE erts_internal_purge_module_2(BIF_ALIST_2)
finalize_purge_operation(BIF_P, ret == am_true);
-#if !defined(ERTS_NEW_PURGE_STRATEGY)
-
- ASSERT(ERTS_COPY_LITERAL_AREA() == literals);
- ERTS_SET_COPY_LITERAL_AREA(NULL);
- erts_release_literal_area(literals);
-
-#else /* ERTS_NEW_PURGE_STRATEGY */
-
if (literals) {
ErtsLiteralAreaRef *ref;
ref = erts_alloc(ERTS_ALC_T_LITERAL_REF,
@@ -1991,8 +1688,6 @@ BIF_RETTYPE erts_internal_purge_module_2(BIF_ALIST_2)
BIF_P->common.id);
}
-#endif /* ERTS_NEW_PURGE_STRATEGY */
-
return ret;
}
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index a4ad3e7886..8f47ed4d9d 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -51,6 +51,7 @@ void dbg_bt(Process* p, Eterm* sp);
void dbg_where(BeamInstr* addr, Eterm x0, Eterm* reg);
static int print_op(int to, void *to_arg, int op, int size, BeamInstr* addr);
+static void print_bif_name(int to, void* to_arg, BifFunction bif);
BIF_RETTYPE
erts_debug_same_2(BIF_ALIST_2)
@@ -520,7 +521,27 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
break;
case 'I': /* Untagged integer. */
case 't':
- erts_print(to, to_arg, "%d", *ap);
+ switch (op) {
+ case op_i_gc_bif1_jIsId:
+ case op_i_gc_bif2_jIIssd:
+ case op_i_gc_bif3_jIIssd:
+ {
+ const ErtsGcBif* p;
+ BifFunction gcf = (BifFunction) *ap;
+ for (p = erts_gc_bifs; p->bif != 0; p++) {
+ if (p->gc_bif == gcf) {
+ print_bif_name(to, to_arg, p->bif);
+ break;
+ }
+ }
+ if (p->bif == 0) {
+ erts_print(to, to_arg, "%d", (Uint)gcf);
+ }
+ break;
+ }
+ default:
+ erts_print(to, to_arg, "%d", *ap);
+ }
ap++;
break;
case 'f': /* Destination label */
@@ -560,19 +581,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
case 'F': /* Function definition */
break;
case 'b':
- for (i = 0; i < BIF_SIZE; i++) {
- BifFunction bif = (BifFunction) *ap;
- if (bif == bif_table[i].f) {
- break;
- }
- }
- if (i == BIF_SIZE) {
- erts_print(to, to_arg, "b(%d)", (Uint) *ap);
- } else {
- Eterm name = bif_table[i].name;
- unsigned arity = bif_table[i].arity;
- erts_print(to, to_arg, "%T/%u", name, arity);
- }
+ print_bif_name(to, to_arg, (BifFunction) *ap);
ap++;
break;
case 'P': /* Byte offset into tuple (see beam_load.c) */
@@ -731,3 +740,21 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
return size;
}
+
+static void print_bif_name(int to, void* to_arg, BifFunction bif)
+{
+ int i;
+
+ for (i = 0; i < BIF_SIZE; i++) {
+ if (bif == bif_table[i].f) {
+ break;
+ }
+ }
+ if (i == BIF_SIZE) {
+ erts_print(to, to_arg, "b(%d)", (Uint) bif);
+ } else {
+ Eterm name = bif_table[i].name;
+ unsigned arity = bif_table[i].arity;
+ erts_print(to, to_arg, "%T/%u", name, arity);
+ }
+}
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index ef4cdf9d5a..0ba06058a5 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1078,7 +1078,7 @@ static Eterm make_arglist(Process* c_p, Eterm* reg, int a);
void
init_emulator(void)
{
- process_main();
+ process_main(0, 0);
}
/*
@@ -1225,7 +1225,7 @@ init_emulator(void)
* the instructions' C labels to the loader.
* The second call starts execution of BEAM code. This call never returns.
*/
-void process_main(void)
+void process_main(Eterm * x_reg_array, FloatDef* f_reg_array)
{
static int init_done = 0;
Process* c_p = NULL;
@@ -1237,7 +1237,7 @@ void process_main(void)
/* Pointer to X registers: x(1)..x(N); reg[0] is used when doing GC,
* in all other cases x0 is used.
*/
- register Eterm* reg REG_xregs = NULL;
+ register Eterm* reg REG_xregs = x_reg_array;
/*
* Top of heap (next free location); grows upwards.
@@ -1264,7 +1264,7 @@ void process_main(void)
* X registers and floating point registers are located in
* scheduler specific data.
*/
- register FloatDef *freg;
+ register FloatDef *freg = f_reg_array;
/*
* For keeping the negative old value of 'reds' when call saving is active.
@@ -1350,8 +1350,6 @@ void process_main(void)
start_time_i = c_p->i;
}
- reg = erts_proc_sched_data(c_p)->x_reg_array;
- freg = erts_proc_sched_data(c_p)->f_reg_array;
ERL_BITS_RELOAD_STATEP(c_p);
{
int reds;
@@ -5437,31 +5435,14 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
static BifFunction
translate_gc_bif(void* gcf)
{
- if (gcf == erts_gc_length_1) {
- return length_1;
- } else if (gcf == erts_gc_size_1) {
- return size_1;
- } else if (gcf == erts_gc_bit_size_1) {
- return bit_size_1;
- } else if (gcf == erts_gc_byte_size_1) {
- return byte_size_1;
- } else if (gcf == erts_gc_map_size_1) {
- return map_size_1;
- } else if (gcf == erts_gc_abs_1) {
- return abs_1;
- } else if (gcf == erts_gc_float_1) {
- return float_1;
- } else if (gcf == erts_gc_round_1) {
- return round_1;
- } else if (gcf == erts_gc_trunc_1) {
- return round_1;
- } else if (gcf == erts_gc_binary_part_2) {
- return binary_part_2;
- } else if (gcf == erts_gc_binary_part_3) {
- return binary_part_3;
- } else {
- erts_exit(ERTS_ERROR_EXIT, "bad gc bif");
+ const ErtsGcBif* p;
+
+ for (p = erts_gc_bifs; p->bif != 0; p++) {
+ if (p->gc_bif == gcf) {
+ return p->bif;
+ }
}
+ erts_exit(ERTS_ERROR_EXIT, "bad gc bif");
}
/*
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 0afdedf6c2..d69b18e22f 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -4031,60 +4031,52 @@ gen_make_fun2(LoaderState* stp, GenOpArg idx)
op->next = NULL;
return op;
}
+
+static GenOp*
+translate_gc_bif(LoaderState* stp, GenOp* op, GenOpArg Bif)
+{
+ const ErtsGcBif* p;
+ BifFunction bf;
+
+ bf = stp->import[Bif.val].bf;
+ for (p = erts_gc_bifs; p->bif != 0; p++) {
+ if (p->bif == bf) {
+ op->a[1].type = TAG_u;
+ op->a[1].val = (BeamInstr) p->gc_bif;
+ return op;
+ }
+ }
+
+ op->op = genop_unsupported_guard_bif_3;
+ op->arity = 3;
+ op->a[0].type = TAG_a;
+ op->a[0].val = stp->import[Bif.val].module;
+ op->a[1].type = TAG_a;
+ op->a[1].val = stp->import[Bif.val].function;
+ op->a[2].type = TAG_u;
+ op->a[2].val = stp->import[Bif.val].arity;
+ return op;
+}
+
/*
- * Rewrite gc_bifs with one parameter (the common case). Utilized
- * in ops.tab to rewrite instructions calling bif's in guards
- * to use a garbage collecting implementation.
+ * Rewrite gc_bifs with one parameter (the common case).
*/
static GenOp*
gen_guard_bif1(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
GenOpArg Src, GenOpArg Dst)
{
GenOp* op;
- BifFunction bf;
NEW_GENOP(stp, op);
op->next = NULL;
- bf = stp->import[Bif.val].bf;
- /* The translations here need to have a reverse counterpart in
- beam_emu.c:translate_gc_bif for error handling to work properly. */
- if (bf == length_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_length_1;
- } else if (bf == size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_size_1;
- } else if (bf == bit_size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_bit_size_1;
- } else if (bf == byte_size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_byte_size_1;
- } else if (bf == map_size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_map_size_1;
- } else if (bf == abs_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_abs_1;
- } else if (bf == float_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_float_1;
- } else if (bf == round_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_round_1;
- } else if (bf == trunc_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_trunc_1;
- } else {
- op->op = genop_unsupported_guard_bif_3;
- op->arity = 3;
- op->a[0].type = TAG_a;
- op->a[0].val = stp->import[Bif.val].module;
- op->a[1].type = TAG_a;
- op->a[1].val = stp->import[Bif.val].function;
- op->a[2].type = TAG_u;
- op->a[2].val = stp->import[Bif.val].arity;
- return op;
- }
op->op = genop_i_gc_bif1_5;
op->arity = 5;
op->a[0] = Fail;
- op->a[1].type = TAG_u;
+ /* op->a[1] is set by translate_gc_bif() */
op->a[2] = Src;
op->a[3] = Live;
op->a[4] = Dst;
- return op;
+ return translate_gc_bif(stp, op, Bif);
}
/*
@@ -4095,35 +4087,18 @@ gen_guard_bif2(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
GenOpArg S1, GenOpArg S2, GenOpArg Dst)
{
GenOp* op;
- BifFunction bf;
NEW_GENOP(stp, op);
op->next = NULL;
- bf = stp->import[Bif.val].bf;
- /* The translations here need to have a reverse counterpart in
- beam_emu.c:translate_gc_bif for error handling to work properly. */
- if (bf == binary_part_2) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_binary_part_2;
- } else {
- op->op = genop_unsupported_guard_bif_3;
- op->arity = 3;
- op->a[0].type = TAG_a;
- op->a[0].val = stp->import[Bif.val].module;
- op->a[1].type = TAG_a;
- op->a[1].val = stp->import[Bif.val].function;
- op->a[2].type = TAG_u;
- op->a[2].val = stp->import[Bif.val].arity;
- return op;
- }
op->op = genop_i_gc_bif2_6;
op->arity = 6;
op->a[0] = Fail;
- op->a[1].type = TAG_u;
+ /* op->a[1] is set by translate_gc_bif() */
op->a[2] = Live;
op->a[3] = S1;
op->a[4] = S2;
op->a[5] = Dst;
- return op;
+ return translate_gc_bif(stp, op, Bif);
}
/*
@@ -4134,37 +4109,19 @@ gen_guard_bif3(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
GenOpArg S1, GenOpArg S2, GenOpArg S3, GenOpArg Dst)
{
GenOp* op;
- BifFunction bf;
NEW_GENOP(stp, op);
op->next = NULL;
- bf = stp->import[Bif.val].bf;
- /* The translations here need to have a reverse counterpart in
- beam_emu.c:translate_gc_bif for error handling to work properly. */
- if (bf == binary_part_3) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_binary_part_3;
- } else {
- op->op = genop_unsupported_guard_bif_3;
- op->arity = 3;
- op->a[0].type = TAG_a;
- op->a[0].val = stp->import[Bif.val].module;
- op->a[1].type = TAG_a;
- op->a[1].val = stp->import[Bif.val].function;
- op->a[2].type = TAG_u;
- op->a[2].val = stp->import[Bif.val].arity;
- return op;
- }
op->op = genop_ii_gc_bif3_7;
op->arity = 7;
op->a[0] = Fail;
- op->a[1].type = TAG_u;
+ /* op->a[1] is set by translate_gc_bif() */
op->a[2] = Live;
op->a[3] = S1;
op->a[4] = S2;
op->a[5] = S3;
op->a[6] = Dst;
- op->next = NULL;
- return op;
+ return translate_gc_bif(stp, op, Bif);
}
static GenOp*
@@ -4882,7 +4839,7 @@ transform_engine(LoaderState* st)
{
Uint op;
int ap; /* Current argument. */
- Uint* restart; /* Where to restart if current match fails. */
+ const Uint* restart; /* Where to restart if current match fails. */
GenOpArg var[TE_MAX_VARS]; /* Buffer for variables. */
GenOpArg* rest_args = NULL;
int num_rest_args = 0;
@@ -4891,7 +4848,7 @@ transform_engine(LoaderState* st)
GenOp* instr;
GenOp* first = st->genop;
GenOp* keep = NULL;
- Uint* pc;
+ const Uint* pc;
static Uint restart_fail[1] = {TOP_fail};
ASSERT(gen_opc[first->op].transform != -1);
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h
index 1200bb9c6f..6be4031822 100644
--- a/erts/emulator/beam/beam_load.h
+++ b/erts/emulator/beam/beam_load.h
@@ -35,7 +35,7 @@ typedef struct gen_op_entry {
int transform;
} GenOpEntry;
-extern GenOpEntry gen_opc[];
+extern const GenOpEntry gen_opc[];
#ifdef NO_JUMP_TABLE
#define BeamOp(Op) (Op)
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index d9048065c8..84eab5f651 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -3869,7 +3869,24 @@ BIF_RETTYPE garbage_collect_0(BIF_ALIST_0)
{
FLAGS(BIF_P) |= F_NEED_FULLSWEEP;
erts_garbage_collect(BIF_P, 0, NULL, 0);
- BIF_RET(am_true);
+ return am_true;
+}
+
+/*
+ * Pass atom 'minor' for relaxed generational GC run. This is only
+ * recommendation, major run may still be chosen by VM.
+ * Pass atom 'major' for default behaviour - major GC run (fullsweep)
+ */
+BIF_RETTYPE
+erts_internal_garbage_collect_1(BIF_ALIST_1)
+{
+ switch (BIF_ARG_1) {
+ case am_minor: break;
+ case am_major: FLAGS(BIF_P) |= F_NEED_FULLSWEEP; break;
+ default: BIF_ERROR(BIF_P, BADARG);
+ }
+ erts_garbage_collect(BIF_P, 0, NULL, 0);
+ return am_true;
}
/**********************************************************************/
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 80db4eb6ff..852b1135fe 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -23,22 +23,24 @@
#
# Lines starting with '#' are ignored.
#
-# <bif-decl> ::= "bif" <bif> <C-name>* | "ubif" <bif> <C-name>*
+# <bif-decl> ::= "bif" <bif> <C-name>* |
+# "ubif" <bif> <C-name>* |
+# "gcbif" <bif> <C-name>*
# <bif> ::= <module> ":" <name> "/" <arity>
#
-# "ubif" is an unwrapped bif, i.e. a bif without a trace wrapper,
-# or rather; the trace entry point in the export entry is the same
-# as the normal entry point, and no trace wrapper is generated.
+# ubif: Use for operators and guard BIFs that never build anything
+# on the heap (such as tuple_size/1) and operators.
#
-# Important: Use "ubif" for guard BIFs and operators; use "bif" for ordinary BIFs.
+# gcbif: Use for guard BIFs that may build on the heap (such as abs/1).
+#
+# bif: Use for all other BIFs.
#
# Add new BIFs to the end of the file.
#
-# Note: Guards BIFs require special support in the compiler (to be able to actually
-# call them from within a guard).
+# Note: Guards BIFs usually require special support in the compiler.
#
-ubif erlang:abs/1
+gcbif erlang:abs/1
bif erlang:adler32/1
bif erlang:adler32/2
bif erlang:adler32_combine/3
@@ -62,11 +64,12 @@ bif erlang:exit/1
bif erlang:exit/2
bif erlang:external_size/1
bif erlang:external_size/2
-ubif erlang:float/1
+gcbif erlang:float/1
bif erlang:float_to_list/1
bif erlang:float_to_list/2
bif erlang:fun_info/2
bif erlang:garbage_collect/0
+bif erts_internal:garbage_collect/1
bif erlang:get/0
bif erlang:get/1
bif erlang:get_keys/1
@@ -79,7 +82,7 @@ bif erlang:phash2/2
ubif erlang:hd/1
bif erlang:integer_to_list/1
bif erlang:is_alive/0
-ubif erlang:length/1
+gcbif erlang:length/1
bif erlang:link/1
bif erlang:list_to_atom/1
bif erlang:list_to_binary/1
@@ -126,10 +129,10 @@ bif erlang:processes/0
bif erlang:put/2
bif erlang:register/2
bif erlang:registered/0
-ubif erlang:round/1
+gcbif erlang:round/1
ubif erlang:self/0
bif erlang:setelement/3
-ubif erlang:size/1
+gcbif erlang:size/1
bif erlang:spawn/3
bif erlang:spawn_link/3
bif erlang:split_binary/2
@@ -139,7 +142,7 @@ bif erlang:term_to_binary/2
bif erlang:throw/1
bif erlang:time/0
ubif erlang:tl/1
-ubif erlang:trunc/1
+gcbif erlang:trunc/1
bif erlang:tuple_to_list/1
bif erlang:universaltime/0
bif erlang:universaltime_to_localtime/1
@@ -162,7 +165,7 @@ bif erts_internal:port_connect/2
bif erts_internal:request_system_task/3
bif erts_internal:request_system_task/4
-bif erts_internal:check_process_code/2
+bif erts_internal:check_process_code/1
bif erts_internal:map_to_tuple_keys/1
bif erts_internal:term_type/1
@@ -464,8 +467,8 @@ bif erlang:list_to_existing_atom/1
#
ubif erlang:is_bitstring/1
ubif erlang:tuple_size/1
-ubif erlang:byte_size/1
-ubif erlang:bit_size/1
+gcbif erlang:byte_size/1
+gcbif erlang:bit_size/1
bif erlang:list_to_bitstring/1
bif erlang:bitstring_to_list/1
@@ -517,8 +520,8 @@ bif erlang:binary_to_term/2
#
# The searching/splitting/substituting thingies
#
-ubif erlang:binary_part/2
-ubif erlang:binary_part/3
+gcbif erlang:binary_part/2
+gcbif erlang:binary_part/3
bif binary:compile_pattern/1
bif binary:match/2
@@ -610,7 +613,7 @@ bif os:unsetenv/1
bif re:inspect/2
ubif erlang:is_map/1
-ubif erlang:map_size/1
+gcbif erlang:map_size/1
bif maps:to_list/1
bif maps:find/2
bif maps:get/2
@@ -657,6 +660,15 @@ bif erlang:has_prepared_code_on_load/1
bif maps:take/2
#
+# New in 20.0
+#
+
+gcbif erlang:floor/1
+gcbif erlang:ceil/1
+bif math:floor/1
+bif math:ceil/1
+
+#
# Obsolete
#
diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c
index ccc4cbad43..c4dcd6a3cc 100644
--- a/erts/emulator/beam/copy.c
+++ b/erts/emulator/beam/copy.c
@@ -40,7 +40,8 @@ static void move_one_frag(Eterm** hpp, ErlHeapFragment*, ErlOffHeap*, int);
/*
* Copy object "obj" to process p.
*/
-Eterm copy_object_x(Eterm obj, Process* to, Uint extra) {
+Eterm copy_object_x(Eterm obj, Process* to, Uint extra)
+{
if (!is_immed(obj)) {
Uint size = size_object(obj);
Eterm* hp = HAllocX(to, size, extra);
@@ -70,33 +71,46 @@ Eterm copy_object_x(Eterm obj, Process* to, Uint extra) {
* Return the "flat" size of the object.
*/
-Uint size_object(Eterm obj)
+#define in_literal_purge_area(PTR) \
+ (lit_purge_ptr && ( \
+ (lit_purge_ptr <= (PTR) && \
+ (PTR) < (lit_purge_ptr + lit_purge_sz))))
+
+Uint size_object_x(Eterm obj, erts_literal_area_t *litopt)
{
Uint sum = 0;
Eterm* ptr;
int arity;
+ Eterm *lit_purge_ptr = litopt ? litopt->lit_purge_ptr : NULL;
+ Uint lit_purge_sz = litopt ? litopt->lit_purge_sz : 0;
#ifdef DEBUG
Eterm mypid = erts_get_current_pid();
#endif
-
DECLARE_ESTACK(s);
-
VERBOSE(DEBUG_SHCOPY, ("[pid=%T] size_object %p\n", mypid, obj));
for (;;) {
switch (primary_tag(obj)) {
case TAG_PRIMARY_LIST:
- sum += 2;
ptr = list_val(obj);
+ if (litopt && erts_is_literal(obj,ptr) && !in_literal_purge_area(ptr)) {
+ goto pop_next;
+ }
+ sum += 2;
obj = *ptr++;
if (!IS_CONST(obj)) {
ESTACK_PUSH(s, obj);
- }
+ }
obj = *ptr;
break;
case TAG_PRIMARY_BOXED:
{
- Eterm hdr = *boxed_val(obj);
+ Eterm hdr;
+ ptr = boxed_val(obj);
+ if (litopt && erts_is_literal(obj,ptr) && !in_literal_purge_area(ptr)) {
+ goto pop_next;
+ }
+ hdr = *ptr;
ASSERT(is_header(hdr));
switch (hdr & _TAG_HEADER_MASK) {
case ARITYVAL_SUBTAG:
@@ -279,10 +293,6 @@ do { \
#define COUNT_OFF_HEAP (0)
-#define IN_LITERAL_PURGE_AREA(info, ptr) \
- ((info)->range_ptr && ( \
- (info)->range_ptr <= (ptr) && \
- (ptr) < ((info)->range_ptr + (info)->range_sz)))
/*
* Return the real size of an object and find sharing information
* This currently returns the same as erts_debug:size/1.
@@ -599,7 +609,7 @@ cleanup:
/*
* Copy a structure to a heap.
*/
-Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint *bsz)
+Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint *bsz, erts_literal_area_t *litopt)
{
char* hstart;
Uint hsize;
@@ -616,6 +626,8 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
Eterm hdr;
Eterm *hend;
int i;
+ Eterm *lit_purge_ptr = litopt ? litopt->lit_purge_ptr : NULL;
+ Uint lit_purge_sz = litopt ? litopt->lit_purge_sz : 0;
#ifdef DEBUG
Eterm org_obj = obj;
Uint org_sz = sz;
@@ -651,7 +663,6 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
L_copy:
while (hp != htop) {
obj = *hp;
-
switch (primary_tag(obj)) {
case TAG_PRIMARY_IMMED1:
hp++;
@@ -667,6 +678,10 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
L_copy_list:
tailp = argp;
+ if (litopt && erts_is_literal(obj,objp) && !in_literal_purge_area(objp)) {
+ *tailp = obj;
+ goto L_copy;
+ }
for (;;) {
tp = tailp;
elem = CAR(objp);
@@ -674,18 +689,23 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
hbot -= 2;
CAR(hbot) = elem;
tailp = &CDR(hbot);
- }
- else {
+ } else {
CAR(htop) = elem;
tailp = &CDR(htop);
htop += 2;
}
*tp = make_list(tailp - 1);
obj = CDR(objp);
+
if (!is_list(obj)) {
break;
}
objp = list_val(obj);
+
+ if (litopt && erts_is_literal(obj,objp) && !in_literal_purge_area(objp)) {
+ *tailp = obj;
+ goto L_copy;
+ }
}
switch (primary_tag(obj)) {
case TAG_PRIMARY_IMMED1: *tailp = obj; goto L_copy;
@@ -695,7 +715,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
"%s, line %d: Internal error in copy_struct: 0x%08x\n",
__FILE__, __LINE__,obj);
}
-
+
case TAG_PRIMARY_BOXED:
if (ErtsInArea(boxed_val(obj),hstart,hsize)) {
hp++;
@@ -705,6 +725,10 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
L_copy_boxed:
objp = boxed_val(obj);
+ if (litopt && erts_is_literal(obj,objp) && !in_literal_purge_area(objp)) {
+ *argp = obj;
+ break;
+ }
hdr = *objp;
switch (hdr & _TAG_HEADER_MASK) {
case ARITYVAL_SUBTAG:
@@ -765,7 +789,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
extra_bytes = 1;
} else {
extra_bytes = 0;
- }
+ }
real_size = size+extra_bytes;
objp = binary_val(real_bin);
if (thing_subtag(*objp) == HEAP_BINARY_SUBTAG) {
@@ -780,7 +804,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
} else {
ProcBin* from = (ProcBin *) objp;
ProcBin* to;
-
+
ASSERT(thing_subtag(*objp) == REFC_BINARY_SUBTAG);
if (from->flags) {
erts_emasculate_writable_binary(from);
@@ -900,6 +924,12 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
*bsz = hend - hbot;
} else {
#ifdef DEBUG
+ if (!eq(org_obj, res)) {
+ erts_exit(ERTS_ABORT_EXIT,
+ "Internal error in copy_struct() when copying %T:"
+ " not equal to copy %T\n",
+ org_obj, res);
+ }
if (htop != hbot)
erts_exit(ERTS_ABORT_EXIT,
"Internal error in copy_struct() when copying %T:"
@@ -1036,6 +1066,8 @@ Uint copy_shared_calculate(Eterm obj, erts_shcopy_t *info)
Uint e;
unsigned sz;
Eterm* ptr;
+ Eterm *lit_purge_ptr = info->lit_purge_ptr;
+ Uint lit_purge_sz = info->lit_purge_sz;
#ifdef DEBUG
Eterm mypid = erts_get_current_pid();
#endif
@@ -1081,7 +1113,7 @@ Uint copy_shared_calculate(Eterm obj, erts_shcopy_t *info)
/* off heap list pointers are copied verbatim */
if (erts_is_literal(obj,ptr)) {
VERBOSE(DEBUG_SHCOPY, ("[pid=%T] bypassed copying %p is %T\n", mypid, ptr, obj));
- if (IN_LITERAL_PURGE_AREA(info,ptr))
+ if (in_literal_purge_area(ptr))
info->literal_size += size_object(obj);
goto pop_next;
}
@@ -1132,7 +1164,7 @@ Uint copy_shared_calculate(Eterm obj, erts_shcopy_t *info)
/* off heap pointers to boxes are copied verbatim */
if (erts_is_literal(obj,ptr)) {
VERBOSE(DEBUG_SHCOPY, ("[pid=%T] bypassed copying %p is %T\n", mypid, ptr, obj));
- if (IN_LITERAL_PURGE_AREA(info,ptr))
+ if (in_literal_purge_area(ptr))
info->literal_size += size_object(obj);
goto pop_next;
}
@@ -1298,6 +1330,8 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info,
Eterm* resp;
Eterm *hbot, *hend;
unsigned remaining;
+ Eterm *lit_purge_ptr = info->lit_purge_ptr;
+ Uint lit_purge_sz = info->lit_purge_sz;
#ifdef DEBUG
Eterm mypid = erts_get_current_pid();
Eterm saved_obj = obj;
@@ -1347,11 +1381,11 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info,
ptr = list_val(obj);
/* off heap list pointers are copied verbatim */
if (erts_is_literal(obj,ptr)) {
- if (!IN_LITERAL_PURGE_AREA(info,ptr)) {
+ if (!in_literal_purge_area(ptr)) {
*resp = obj;
} else {
Uint bsz = 0;
- *resp = copy_struct_x(obj, hbot - hp, &hp, off_heap, &bsz);
+ *resp = copy_struct_x(obj, hbot - hp, &hp, off_heap, &bsz, NULL); /* copy literal */
hbot -= bsz;
}
goto cleanup_next;
@@ -1415,11 +1449,11 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info,
ptr = boxed_val(obj);
/* off heap pointers to boxes are copied verbatim */
if (erts_is_literal(obj,ptr)) {
- if (!IN_LITERAL_PURGE_AREA(info,ptr)) {
+ if (!in_literal_purge_area(ptr)) {
*resp = obj;
} else {
Uint bsz = 0;
- *resp = copy_struct_x(obj, hbot - hp, &hp, off_heap, &bsz);
+ *resp = copy_struct_x(obj, hbot - hp, &hp, off_heap, &bsz, NULL); /* copy literal */
hbot -= bsz;
}
goto cleanup_next;
@@ -1923,7 +1957,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite
if (is_header(val)) {
struct erl_off_heap_header* hdr = (struct erl_off_heap_header*)hp;
ASSERT(ptr + header_arity(val) < end);
- MOVE_BOXED(ptr, val, hp, &dummy_ref);
+ MOVE_BOXED(ptr, val, hp, &dummy_ref);
switch (val & _HEADER_SUBTAG_MASK) {
case REFC_BINARY_SUBTAG:
case FUN_SUBTAG:
diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c
index b42d2dc28b..458315f293 100644
--- a/erts/emulator/beam/erl_bif_guard.c
+++ b/erts/emulator/beam/erl_bif_guard.c
@@ -141,6 +141,39 @@ BIF_RETTYPE trunc_1(BIF_ALIST_1)
BIF_RET(res);
}
+BIF_RETTYPE floor_1(BIF_ALIST_1)
+{
+ Eterm res;
+ FloatDef f;
+
+ if (is_not_float(BIF_ARG_1)) {
+ if (is_integer(BIF_ARG_1))
+ BIF_RET(BIF_ARG_1);
+ BIF_ERROR(BIF_P, BADARG);
+ }
+ GET_DOUBLE(BIF_ARG_1, f);
+ res = double_to_integer(BIF_P, floor(f.fd));
+ BIF_RET(res);
+}
+
+BIF_RETTYPE ceil_1(BIF_ALIST_1)
+{
+ Eterm res;
+ FloatDef f;
+
+ /* check arg */
+ if (is_not_float(BIF_ARG_1)) {
+ if (is_integer(BIF_ARG_1))
+ BIF_RET(BIF_ARG_1);
+ BIF_ERROR(BIF_P, BADARG);
+ }
+ /* get the float */
+ GET_DOUBLE(BIF_ARG_1, f);
+
+ res = double_to_integer(BIF_P, ceil(f.fd));
+ BIF_RET(res);
+}
+
BIF_RETTYPE round_1(BIF_ALIST_1)
{
Eterm res;
@@ -621,6 +654,38 @@ Eterm erts_gc_trunc_1(Process* p, Eterm* reg, Uint live)
reg, live);
}
+Eterm erts_gc_floor_1(Process* p, Eterm* reg, Uint live)
+{
+ Eterm arg;
+ FloatDef f;
+
+ arg = reg[live];
+ if (is_not_float(arg)) {
+ if (is_integer(arg)) {
+ return arg;
+ }
+ BIF_ERROR(p, BADARG);
+ }
+ GET_DOUBLE(arg, f);
+ return gc_double_to_integer(p, floor(f.fd), reg, live);
+}
+
+Eterm erts_gc_ceil_1(Process* p, Eterm* reg, Uint live)
+{
+ Eterm arg;
+ FloatDef f;
+
+ arg = reg[live];
+ if (is_not_float(arg)) {
+ if (is_integer(arg)) {
+ return arg;
+ }
+ BIF_ERROR(p, BADARG);
+ }
+ GET_DOUBLE(arg, f);
+ return gc_double_to_integer(p, ceil(f.fd), reg, live);
+}
+
static Eterm
gc_double_to_integer(Process* p, double x, Eterm* reg, Uint live)
{
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 29ba12dfdb..75389107bb 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -2391,7 +2391,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
ERTS_ATOM_ENC_LATIN1,
1),
erts_bld_uint(hpp, hszp,
- opc[i].count)),
+ erts_instr_count[i])),
res);
}
@@ -2883,27 +2883,6 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
BIF_RET(AM_tag);
#endif
}
- else if (ERTS_IS_ATOM_STR("check_process_code",BIF_ARG_1)) {
- Eterm terms[3];
- Sint length = 1;
- Uint sz = 0;
- Eterm *hp, res;
- DECL_AM(direct_references);
-
- terms[0] = AM_direct_references;
-#if !defined(ERTS_NEW_PURGE_STRATEGY)
- {
- DECL_AM(indirect_references);
- terms[1] = AM_indirect_references;
- terms[2] = am_copy_literals;
- length = 3;
- }
-#endif
- erts_bld_list(NULL, &sz, length, terms);
- hp = HAlloc(BIF_P, sz);
- res = erts_bld_list(&hp, NULL, length, terms);
- BIF_RET(res);
- }
BIF_ERROR(BIF_P, BADARG);
}
@@ -3563,8 +3542,14 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1)
else if (ERTS_IS_ATOM_STR("DbTable_words", BIF_ARG_1)) {
/* Used by ets_SUITE (stdlib) */
size_t words = (sizeof(DbTable) + sizeof(Uint) - 1)/sizeof(Uint);
- BIF_RET(make_small((Uint) words));
+ Eterm* hp = HAlloc(BIF_P ,3);
+ BIF_RET(TUPLE2(hp, make_small((Uint) words),
+ erts_ets_hash_sizeof_ext_segtab()));
}
+ else if (ERTS_IS_ATOM_STR("DbTable_meta", BIF_ARG_1)) {
+ /* Used by ets_SUITE (stdlib) */
+ BIF_RET(erts_ets_get_meta_state(BIF_P));
+ }
else if (ERTS_IS_ATOM_STR("check_io_debug", BIF_ARG_1)) {
/* Used by driver_SUITE (emulator) */
Uint sz, *szp;
@@ -4298,6 +4283,10 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
}
BIF_RET(am_ok);
}
+ else if (ERTS_IS_ATOM_STR("DbTable_meta", BIF_ARG_1)) {
+ /* Used by ets_SUITE (stdlib) */
+ BIF_RET(erts_ets_restore_meta_state(BIF_P, BIF_ARG_2));
+ }
}
BIF_ERROR(BIF_P, BADARG);
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index 128a7b3865..485f68ca98 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.c
@@ -3978,6 +3978,36 @@ erts_ets_colliding_names(Process* p, Eterm name, Uint cnt)
return list;
}
+/*
+ * For testing only
+ * Retreive meta table size state
+ */
+Eterm erts_ets_get_meta_state(Process* p)
+{
+ Eterm* hp = HAlloc(p, 3);
+ return TUPLE2(hp,
+ erts_ets_hash_get_memstate(p, &meta_pid_to_tab->hash),
+ erts_ets_hash_get_memstate(p, &meta_pid_to_fixed_tab->hash));
+}
+/*
+ * For testing only
+ * Restore a previously retrieved meta table size state.
+ * We do this to suppress failed memory checks
+ * caused by the hysteresis of meta tables grow/shrink limits.
+ */
+Eterm erts_ets_restore_meta_state(Process* p, Eterm meta_state)
+{
+ Eterm* tv;
+ Eterm* hp;
+ if (!is_tuple_arity(meta_state, 2))
+ return am_badarg;
+
+ tv = tuple_val(meta_state);
+ hp = HAlloc(p, 3);
+ return TUPLE2(hp,
+ erts_ets_hash_restore_memstate(&meta_pid_to_tab->hash, tv[1]),
+ erts_ets_hash_restore_memstate(&meta_pid_to_fixed_tab->hash, tv[2]));
+}
#ifdef HARDDEBUG /* Here comes some debug functions */
diff --git a/erts/emulator/beam/erl_db.h b/erts/emulator/beam/erl_db.h
index 1d26c49652..f7eb3dc45c 100644
--- a/erts/emulator/beam/erl_db.h
+++ b/erts/emulator/beam/erl_db.h
@@ -90,6 +90,8 @@ extern Export ets_select_continue_exp;
extern erts_smp_atomic_t erts_ets_misc_mem_size;
Eterm erts_ets_colliding_names(Process*, Eterm name, Uint cnt);
+Eterm erts_ets_get_meta_state(Process* p);
+Eterm erts_ets_restore_meta_state(Process* p, Eterm target_state);
Uint erts_db_get_max_tabs(void);
@@ -267,7 +269,5 @@ erts_db_free_nt(ErtsAlcType_t type, void *ptr, Uint size)
#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
-#undef ERTS_DB_ALC_MEM_UPDATE_
-
#endif /* #if defined(ERTS_WANT_DB_INTERNAL__) && !defined(ERTS_HAVE_DB_INTERNAL__) */
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index 5e6fe4f460..939ae57192 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -84,25 +84,28 @@
#include "erl_db_hash.h"
-#ifdef MYDEBUG /* Will fail test case ets_SUITE:memory */
-# define IF_DEBUG(x) x
-# define MY_ASSERT(x) ASSERT(x)
-#else
-# define IF_DEBUG(x)
-# define MY_ASSERT(x)
-#endif
-
/*
* The following symbols can be manipulated to "tune" the linear hash array
*/
-#define CHAIN_LEN 6 /* Medium bucket chain len */
+#define GROW_LIMIT(NACTIVE) ((NACTIVE)*1)
+#define SHRINK_LIMIT(NACTIVE) ((NACTIVE) / 2)
-/* Number of slots per segment */
-#define SEGSZ_EXP 8
-#define SEGSZ (1 << SEGSZ_EXP)
-#define SEGSZ_MASK (SEGSZ-1)
+/*
+** We want the first mandatory segment to be small (to reduce minimal footprint)
+** and larger extra segments (to reduce number of alloc/free calls).
+*/
-#define NSEG_1 2 /* Size of first segment table (must be at least 2) */
+/* Number of slots in first segment */
+#define FIRST_SEGSZ_EXP 8
+#define FIRST_SEGSZ (1 << FIRST_SEGSZ_EXP)
+#define FIRST_SEGSZ_MASK (FIRST_SEGSZ - 1)
+
+/* Number of slots per extra segment */
+#define EXT_SEGSZ_EXP 11
+#define EXT_SEGSZ (1 << EXT_SEGSZ_EXP)
+#define EXT_SEGSZ_MASK (EXT_SEGSZ-1)
+
+#define NSEG_1 (ErtsSizeofMember(DbTableHash,first_segtab) / sizeof(struct segment*))
#define NSEG_2 256 /* Size of second segment table */
#define NSEG_INC 128 /* Number of segments to grow after that */
@@ -123,7 +126,9 @@
#define NACTIVE(tb) ((int)erts_smp_atomic_read_nob(&(tb)->nactive))
#define NITEMS(tb) ((int)erts_smp_atomic_read_nob(&(tb)->common.nitems))
-#define BUCKET(tb, i) SEGTAB(tb)[(i) >> SEGSZ_EXP]->buckets[(i) & SEGSZ_MASK]
+#define SLOT_IX_TO_SEG_IX(i) (((i)+(EXT_SEGSZ-FIRST_SEGSZ)) >> EXT_SEGSZ_EXP)
+
+#define BUCKET(tb, i) SEGTAB(tb)[SLOT_IX_TO_SEG_IX(i)]->buckets[(i) & EXT_SEGSZ_MASK]
/*
* When deleting a table, the number of records to delete.
@@ -189,6 +194,7 @@ static ERTS_INLINE int add_fixed_deletion(DbTableHash* tb, int ix,
#ifdef ERTS_SMP
# define DB_HASH_LOCK_MASK (DB_HASH_LOCK_CNT-1)
# define GET_LOCK(tb,hval) (&(tb)->locks->lck_vec[(hval) & DB_HASH_LOCK_MASK].lck)
+# define GET_LOCK_MAYBE(tb,hval) ((tb)->common.is_thread_safe ? NULL : GET_LOCK(tb,hval))
/* Fine grained read lock */
static ERTS_INLINE erts_smp_rwmtx_t* RLOCK_HASH(DbTableHash* tb, HashValue hval)
@@ -318,27 +324,23 @@ struct mp_info {
/* A table segment */
struct segment {
- HashDbTerm* buckets[SEGSZ];
-#ifdef MYDEBUG
- int is_ext_segment;
-#endif
+ HashDbTerm* buckets[1];
};
+#define SIZEOF_SEGMENT(N) \
+ (offsetof(struct segment,buckets) + sizeof(HashDbTerm*)*(N))
-/* A segment that also contains a segment table */
-struct ext_segment {
- struct segment s; /* The segment itself. Must be first */
-
+/* An extended segment table */
+struct ext_segtab {
+#ifdef ERTS_SMP
+ ErtsThrPrgrLaterOp lop;
+#endif
struct segment** prev_segtab; /* Used when table is shrinking */
- int nsegs; /* Size of segtab */
+ int prev_nsegs; /* Size of prev_segtab */
+ int nsegs; /* Size of this segtab */
struct segment* segtab[1]; /* The segment table */
};
-#define SIZEOF_EXTSEG(NSEGS) \
- (offsetof(struct ext_segment,segtab) + sizeof(struct segment*)*(NSEGS))
-
-#if defined(DEBUG) || defined(VALGRIND)
-# define EXTSEG(SEGTAB_PTR) \
- ((struct ext_segment*) (((char*)(SEGTAB_PTR)) - offsetof(struct ext_segment,segtab)))
-#endif
+#define SIZEOF_EXT_SEGTAB(NSEGS) \
+ (offsetof(struct ext_segtab,segtab) + sizeof(struct segment*)*(NSEGS))
static ERTS_INLINE void SET_SEGTAB(DbTableHash* tb,
@@ -348,49 +350,22 @@ static ERTS_INLINE void SET_SEGTAB(DbTableHash* tb,
erts_smp_atomic_set_wb(&tb->segtab, (erts_aint_t) segtab);
else
erts_smp_atomic_set_nob(&tb->segtab, (erts_aint_t) segtab);
-#ifdef VALGRIND
- tb->top_ptr_to_segment_with_active_segtab = EXTSEG(segtab);
-#endif
}
-/* How the table segments relate to each other:
-
- ext_segment: ext_segment: "plain" segment
- #=================# #================# #=============#
- | bucket[0] |<--+ +------->| bucket[256] | +->| bucket[512] |
- | bucket[1] | | | | [257] | | | [513] |
- : : | | : : | : :
- | bucket[255] | | | | [511] | | | [767] |
- |-----------------| | | |----------------| | #=============#
- | prev_segtab=NULL| | | +--<---prev_segtab | |
- | nsegs = 2 | | | | | nsegs = 256 | |
-+->| segtab[0] -->-------+---|---|--<---segtab[0] |<-+ |
-| | segtab[1] -->-----------+---|--<---segtab[1] | | |
-| #=================# | | segtab[2] -->-----|--+ ext_segment:
-| | : : | #================#
-+----------------<---------------+ | segtab[255] ->----|----->| bucket[255*256]|
- #================# | | |
- | : :
- | |----------------|
- +----<---prev_segtab |
- : :
-*/
-
/*
** Forward decl's (static functions)
*/
-static struct ext_segment* alloc_ext_seg(DbTableHash* tb, unsigned seg_ix,
- struct segment** old_segtab);
-static int alloc_seg(DbTableHash *tb);
+static struct ext_segtab* alloc_ext_segtab(DbTableHash* tb, unsigned seg_ix);
+static void alloc_seg(DbTableHash *tb);
static int free_seg(DbTableHash *tb, int free_records);
static HashDbTerm* next(DbTableHash *tb, Uint *iptr, erts_smp_rwmtx_t** lck_ptr,
HashDbTerm *list);
static HashDbTerm* search_list(DbTableHash* tb, Eterm key,
HashValue hval, HashDbTerm *list);
-static void shrink(DbTableHash* tb, int nactive);
-static void grow(DbTableHash* tb, int nactive);
+static void shrink(DbTableHash* tb, int nitems);
+static void grow(DbTableHash* tb, int nitems);
static Eterm build_term_list(Process* p, HashDbTerm* ptr1, HashDbTerm* ptr2,
Uint sz, DbTableHash*);
static int analyze_pattern(DbTableHash *tb, Eterm pattern,
@@ -463,9 +438,10 @@ db_finalize_dbterm_hash(int cret, DbUpdateHandle* handle);
static ERTS_INLINE void try_shrink(DbTableHash* tb)
{
int nactive = NACTIVE(tb);
- if (nactive > SEGSZ && NITEMS(tb) < (nactive * CHAIN_LEN)
+ int nitems = NITEMS(tb);
+ if (nactive > FIRST_SEGSZ && nitems < SHRINK_LIMIT(nactive)
&& !IS_FIXED(tb)) {
- shrink(tb, nactive);
+ shrink(tb, nitems);
}
}
@@ -662,16 +638,20 @@ int db_create_hash(Process *p, DbTable *tbl)
{
DbTableHash *tb = &tbl->hash;
- erts_smp_atomic_init_nob(&tb->szm, SEGSZ_MASK);
- erts_smp_atomic_init_nob(&tb->nactive, SEGSZ);
+ erts_smp_atomic_init_nob(&tb->szm, FIRST_SEGSZ_MASK);
+ erts_smp_atomic_init_nob(&tb->nactive, FIRST_SEGSZ);
erts_smp_atomic_init_nob(&tb->fixdel, (erts_aint_t)NULL);
erts_smp_atomic_init_nob(&tb->segtab, (erts_aint_t)NULL);
- SET_SEGTAB(tb, alloc_ext_seg(tb,0,NULL)->segtab);
+ SET_SEGTAB(tb, tb->first_segtab);
tb->nsegs = NSEG_1;
- tb->nslots = SEGSZ;
+ tb->nslots = FIRST_SEGSZ;
+ tb->first_segtab[0] = (struct segment*) erts_db_alloc(ERTS_ALC_T_DB_SEG,
+ (DbTable *) tb,
+ SIZEOF_SEGMENT(FIRST_SEGSZ));
+ sys_memset(tb->first_segtab[0], 0, SIZEOF_SEGMENT(FIRST_SEGSZ));
- erts_smp_atomic_init_nob(&tb->is_resizing, 0);
#ifdef ERTS_SMP
+ erts_smp_atomic_init_nob(&tb->is_resizing, 0);
if (tb->common.type & DB_FINE_LOCKED) {
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
int i;
@@ -686,7 +666,7 @@ int db_create_hash(Process *p, DbTable *tbl)
erts_smp_rwmtx_init_opt_x(&tb->locks->lck_vec[i].lck, &rwmtx_opt,
"db_hash_slot", make_small(i));
}
- /* This important property is needed to guarantee that the buckets
+ /* This important property is needed to guarantee the two buckets
* involved in a grow/shrink operation it protected by the same lock:
*/
ASSERT(erts_smp_atomic_read_nob(&tb->nactive) % DB_HASH_LOCK_CNT == 0);
@@ -862,8 +842,8 @@ Lnew:
WUNLOCK_HASH(lck);
{
int nactive = NACTIVE(tb);
- if (nitems > nactive * (CHAIN_LEN+1) && !IS_FIXED(tb)) {
- grow(tb, nactive);
+ if (nitems > GROW_LIMIT(nactive) && !IS_FIXED(tb)) {
+ grow(tb, nitems);
}
}
CHECK_TABLES();
@@ -1514,6 +1494,7 @@ static int db_select_chunk_hash(Process *p, DbTable *tbl,
match_list = CONS(hp, match_res, match_list);
++got;
}
+ --num_left;
}
current = current->next;
}
@@ -1531,7 +1512,6 @@ static int db_select_chunk_hash(Process *p, DbTable *tbl,
}
}
else { /* Key is variable */
- --num_left;
if ((slot_ix=next_slot(tb,slot_ix,&lck)) == 0) {
slot_ix = -1;
@@ -2250,12 +2230,12 @@ static int db_free_table_continue_hash(DbTable *tbl)
done /= 2;
while(tb->nslots != 0) {
- free_seg(tb, 1);
+ done += 1 + EXT_SEGSZ/64 + free_seg(tb, 1);
/*
* If we have done enough work, get out here.
*/
- if (++done >= (DELETE_RECORD_LIMIT / CHAIN_LEN / SEGSZ)) {
+ if (done >= DELETE_RECORD_LIMIT) {
return 0; /* Not done */
}
}
@@ -2414,90 +2394,81 @@ static int analyze_pattern(DbTableHash *tb, Eterm pattern,
return DB_ERROR_NONE;
}
-static struct ext_segment* alloc_ext_seg(DbTableHash* tb, unsigned seg_ix,
- struct segment** old_segtab)
+static struct ext_segtab* alloc_ext_segtab(DbTableHash* tb, unsigned seg_ix)
{
- int nsegs;
- struct ext_segment* eseg;
+ struct segment** old_segtab = SEGTAB(tb);
+ int nsegs = 0;
+ struct ext_segtab* est;
+ ASSERT(seg_ix >= NSEG_1);
switch (seg_ix) {
- case 0: nsegs = NSEG_1; break;
- case 1: nsegs = NSEG_2; break;
- default: nsegs = seg_ix + NSEG_INC; break;
- }
- eseg = (struct ext_segment*) erts_db_alloc_fnf(ERTS_ALC_T_DB_SEG,
- (DbTable *) tb,
- SIZEOF_EXTSEG(nsegs));
- ASSERT(eseg != NULL);
- sys_memset(&eseg->s, 0, sizeof(struct segment));
- IF_DEBUG(eseg->s.is_ext_segment = 1);
- eseg->prev_segtab = old_segtab;
- eseg->nsegs = nsegs;
- if (old_segtab) {
- ASSERT(nsegs > tb->nsegs);
- sys_memcpy(eseg->segtab, old_segtab, tb->nsegs*sizeof(struct segment*));
- }
+ case NSEG_1: nsegs = NSEG_2; break;
+ default: nsegs = seg_ix + NSEG_INC; break;
+ }
+ ASSERT(nsegs > tb->nsegs);
+ est = (struct ext_segtab*) erts_db_alloc(ERTS_ALC_T_DB_SEG,
+ (DbTable *) tb,
+ SIZEOF_EXT_SEGTAB(nsegs));
+ est->nsegs = nsegs;
+ est->prev_segtab = old_segtab;
+ est->prev_nsegs = tb->nsegs;
+ sys_memcpy(est->segtab, old_segtab, tb->nsegs*sizeof(struct segment*));
#ifdef DEBUG
- sys_memset(&eseg->segtab[seg_ix], 0, (nsegs-seg_ix)*sizeof(struct segment*));
+ sys_memset(&est->segtab[seg_ix], 0, (nsegs-seg_ix)*sizeof(struct segment*));
#endif
- eseg->segtab[seg_ix] = &eseg->s;
- return eseg;
+ return est;
}
/* Extend table with one new segment
*/
-static int alloc_seg(DbTableHash *tb)
+static void alloc_seg(DbTableHash *tb)
{
- int seg_ix = tb->nslots >> SEGSZ_EXP;
-
- if (seg_ix+1 == tb->nsegs) { /* New segtab needed (extended segment) */
- struct segment** segtab = SEGTAB(tb);
- struct ext_segment* seg = alloc_ext_seg(tb, seg_ix, segtab);
- if (seg == NULL) return 0;
- segtab[seg_ix] = &seg->s;
- /* We don't use the new segtab until next call (see "shrink race") */
- }
- else { /* Just a new plain segment */
- struct segment** segtab;
- if (seg_ix == tb->nsegs) { /* Time to start use segtab from last call */
- struct ext_segment* eseg;
- eseg = (struct ext_segment*) SEGTAB(tb)[seg_ix-1];
- MY_ASSERT(eseg!=NULL && eseg->s.is_ext_segment);
- SET_SEGTAB(tb, eseg->segtab);
- tb->nsegs = eseg->nsegs;
- }
- ASSERT(seg_ix < tb->nsegs);
- segtab = SEGTAB(tb);
- ASSERT(segtab[seg_ix] == NULL);
- segtab[seg_ix] = (struct segment*) erts_db_alloc_fnf(ERTS_ALC_T_DB_SEG,
- (DbTable *) tb,
- sizeof(struct segment));
- if (segtab[seg_ix] == NULL) return 0;
- sys_memset(segtab[seg_ix], 0, sizeof(struct segment));
- }
- tb->nslots += SEGSZ;
- return 1;
+ int seg_ix = SLOT_IX_TO_SEG_IX(tb->nslots);
+ struct segment** segtab;
+
+ ASSERT(seg_ix > 0);
+ if (seg_ix == tb->nsegs) { /* New segtab needed */
+ struct ext_segtab* est = alloc_ext_segtab(tb, seg_ix);
+ SET_SEGTAB(tb, est->segtab);
+ tb->nsegs = est->nsegs;
+ }
+ ASSERT(seg_ix < tb->nsegs);
+ segtab = SEGTAB(tb);
+ segtab[seg_ix] = (struct segment*) erts_db_alloc(ERTS_ALC_T_DB_SEG,
+ (DbTable *) tb,
+ SIZEOF_SEGMENT(EXT_SEGSZ));
+ sys_memset(segtab[seg_ix], 0, SIZEOF_SEGMENT(EXT_SEGSZ));
+ tb->nslots += EXT_SEGSZ;
+}
+
+#ifdef ERTS_SMP
+static void dealloc_ext_segtab(void* lop_data)
+{
+ struct ext_segtab* est = (struct ext_segtab*) lop_data;
+
+ erts_free(ERTS_ALC_T_DB_SEG, est);
}
+#endif
/* Shrink table by freeing the top segment
** free_records: 1=free any records in segment, 0=assume segment is empty
*/
static int free_seg(DbTableHash *tb, int free_records)
{
- const int seg_ix = (tb->nslots >> SEGSZ_EXP) - 1;
+ const int seg_ix = SLOT_IX_TO_SEG_IX(tb->nslots) - 1;
struct segment** const segtab = SEGTAB(tb);
- struct ext_segment* const top = (struct ext_segment*) segtab[seg_ix];
- int bytes;
+ struct segment* const segp = segtab[seg_ix];
+ Uint seg_sz;
int nrecords = 0;
- ASSERT(top != NULL);
+ ASSERT(segp != NULL);
#ifndef DEBUG
if (free_records)
#endif
{
- int i;
- for (i=0; i<SEGSZ; ++i) {
- HashDbTerm* p = top->s.buckets[i];
+ int i = (seg_ix == 0) ? FIRST_SEGSZ : EXT_SEGSZ;
+ while (i--) {
+ HashDbTerm* p = segp->buckets[i];
while(p != 0) {
HashDbTerm* nxt = p->next;
ASSERT(free_records); /* segment not empty as assumed? */
@@ -2507,55 +2478,46 @@ static int free_seg(DbTableHash *tb, int free_records)
}
}
}
-
- /* The "shrink race":
- * We must avoid deallocating an extended segment while its segtab may
- * still be used by other threads.
- * The trick is to stop use a segtab one call earlier. That is, stop use
- * a segtab when the segment above it is deallocated. When the segtab is
- * later deallocated, it has not been used for a very long time.
- * It is even theoretically safe as we have by then rehashed the entire
- * segment, seizing *all* locks, so there cannot exist any retarded threads
- * still hanging in BUCKET macro with an old segtab pointer.
- * For this to work, we must of course allocate a new segtab one call
- * earlier in alloc_seg() as well. And this is also the reason why
- * the minimum size of the first segtab is 2 and not 1 (NSEG_1).
- */
- if (seg_ix == tb->nsegs-1 || seg_ix==0) { /* Dealloc extended segment */
- MY_ASSERT(top->s.is_ext_segment);
- ASSERT(segtab != top->segtab || seg_ix==0);
- bytes = SIZEOF_EXTSEG(top->nsegs);
- }
- else { /* Dealloc plain segment */
- struct ext_segment* newtop = (struct ext_segment*) segtab[seg_ix-1];
- MY_ASSERT(!top->s.is_ext_segment);
-
- if (segtab == newtop->segtab) { /* New top segment is extended */
- MY_ASSERT(newtop->s.is_ext_segment);
- if (newtop->prev_segtab != NULL) {
- /* Time to use a smaller segtab */
- SET_SEGTAB(tb, newtop->prev_segtab);
- tb->nsegs = seg_ix;
- ASSERT(tb->nsegs == EXTSEG(SEGTAB(tb))->nsegs);
- }
- else {
- ASSERT(NSEG_1 > 2 && seg_ix==1);
- }
- }
- bytes = sizeof(struct segment);
+ if (seg_ix >= NSEG_1) {
+ struct ext_segtab* est = ErtsContainerStruct_(segtab,struct ext_segtab,segtab);
+
+ if (seg_ix == est->prev_nsegs) { /* Dealloc extended segtab */
+ ASSERT(est->prev_segtab != NULL);
+ SET_SEGTAB(tb, est->prev_segtab);
+ tb->nsegs = est->prev_nsegs;
+
+#ifdef ERTS_SMP
+ if (!tb->common.is_thread_safe) {
+ /*
+ * Table is doing a graceful shrink operation and we must avoid
+ * deallocating this segtab while it may still be read by other
+ * threads. Schedule deallocation with thread progress to make
+ * sure no lingering threads are still hanging in BUCKET macro
+ * with an old segtab pointer.
+ */
+ Uint sz = SIZEOF_EXT_SEGTAB(est->nsegs);
+ ASSERT(sz == ERTS_ALC_DBG_BLK_SZ(est));
+ ERTS_DB_ALC_MEM_UPDATE_(tb, sz, 0);
+ erts_schedule_thr_prgr_later_cleanup_op(dealloc_ext_segtab,
+ est,
+ &est->lop,
+ sz);
+ }
+ else
+#endif
+ erts_db_free(ERTS_ALC_T_DB_SEG, (DbTable*)tb, est,
+ SIZEOF_EXT_SEGTAB(est->nsegs));
+ }
}
+ seg_sz = (seg_ix == 0) ? FIRST_SEGSZ : EXT_SEGSZ;
+ erts_db_free(ERTS_ALC_T_DB_SEG, (DbTable *)tb, segp, SIZEOF_SEGMENT(seg_sz));
- erts_db_free(ERTS_ALC_T_DB_SEG, (DbTable *)tb,
- (void*)top, bytes);
#ifdef DEBUG
- if (seg_ix > 0) {
- segtab[seg_ix] = NULL;
- } else {
- SET_SEGTAB(tb, NULL);
- }
+ if (seg_ix < tb->nsegs)
+ SEGTAB(tb)[seg_ix] = NULL;
#endif
- tb->nslots -= SEGSZ;
+ tb->nslots -= seg_sz;
ASSERT(tb->nslots >= 0);
return nrecords;
}
@@ -2604,104 +2566,111 @@ static Eterm build_term_list(Process* p, HashDbTerm* ptr1, HashDbTerm* ptr2,
static ERTS_INLINE int
begin_resizing(DbTableHash* tb)
{
+#ifdef ERTS_SMP
if (DB_USING_FINE_LOCKING(tb))
- return !erts_smp_atomic_xchg_acqb(&tb->is_resizing, 1);
- else {
- if (erts_smp_atomic_read_nob(&tb->is_resizing))
- return 0;
- erts_smp_atomic_set_nob(&tb->is_resizing, 1);
- return 1;
- }
+ return !erts_atomic_xchg_acqb(&tb->is_resizing, 1);
+ else
+ ERTS_LC_ASSERT(erts_lc_rwmtx_is_rwlocked(&tb->common.rwlock));
+#endif
+ return 1;
}
static ERTS_INLINE void
done_resizing(DbTableHash* tb)
{
+#ifdef ERTS_SMP
if (DB_USING_FINE_LOCKING(tb))
- erts_smp_atomic_set_relb(&tb->is_resizing, 0);
- else
- erts_smp_atomic_set_nob(&tb->is_resizing, 0);
+ erts_atomic_set_relb(&tb->is_resizing, 0);
+#endif
}
-/* Grow table with one new bucket.
+/* Grow table with one or more new buckets.
** Allocate new segment if needed.
*/
-static void grow(DbTableHash* tb, int nactive)
+static void grow(DbTableHash* tb, int nitems)
{
HashDbTerm** pnext;
HashDbTerm** to_pnext;
HashDbTerm* p;
erts_smp_rwmtx_t* lck;
- int from_ix;
+ int nactive;
+ int from_ix, to_ix;
int szm;
+ int loop_limit = 5;
- if (!begin_resizing(tb))
- return; /* already in progress */
- if (NACTIVE(tb) != nactive) {
- goto abort; /* already done (race) */
- }
-
- /* Ensure that the slot nactive exists */
- if (nactive == tb->nslots) {
- /* Time to get a new segment */
- ASSERT((nactive & SEGSZ_MASK) == 0);
- if (!alloc_seg(tb)) goto abort;
- }
- ASSERT(nactive < tb->nslots);
+ do {
+ if (!begin_resizing(tb))
+ return; /* already in progress */
+ nactive = NACTIVE(tb);
+ if (nitems <= GROW_LIMIT(nactive)) {
+ goto abort; /* already done (race) */
+ }
- szm = erts_smp_atomic_read_nob(&tb->szm);
- if (nactive <= szm) {
- from_ix = nactive & (szm >> 1);
- } else {
- ASSERT(nactive == szm+1);
- from_ix = 0;
- szm = (szm<<1) | 1;
- }
+ /* Ensure that the slot nactive exists */
+ if (nactive == tb->nslots) {
+ /* Time to get a new segment */
+ ASSERT(((nactive-FIRST_SEGSZ) & EXT_SEGSZ_MASK) == 0);
+ alloc_seg(tb);
+ }
+ ASSERT(nactive < tb->nslots);
- lck = WLOCK_HASH(tb, from_ix);
- /* Now a final double check (with the from_ix lock held)
- * that we did not get raced by a table fixer.
- */
- if (IS_FIXED(tb)) {
- WUNLOCK_HASH(lck);
- goto abort;
- }
- erts_smp_atomic_inc_nob(&tb->nactive);
- if (from_ix == 0) {
- if (DB_USING_FINE_LOCKING(tb))
- erts_smp_atomic_set_relb(&tb->szm, szm);
- else
- erts_smp_atomic_set_nob(&tb->szm, szm);
- }
- done_resizing(tb);
+ szm = erts_smp_atomic_read_nob(&tb->szm);
+ if (nactive <= szm) {
+ from_ix = nactive & (szm >> 1);
+ } else {
+ ASSERT(nactive == szm+1);
+ from_ix = 0;
+ szm = (szm<<1) | 1;
+ }
+ to_ix = nactive;
+
+ lck = WLOCK_HASH(tb, from_ix);
+ ERTS_SMP_ASSERT(lck == GET_LOCK_MAYBE(tb,to_ix));
+ /* Now a final double check (with the from_ix lock held)
+ * that we did not get raced by a table fixer.
+ */
+ if (IS_FIXED(tb)) {
+ WUNLOCK_HASH(lck);
+ goto abort;
+ }
+ erts_smp_atomic_set_nob(&tb->nactive, ++nactive);
+ if (from_ix == 0) {
+ if (DB_USING_FINE_LOCKING(tb))
+ erts_smp_atomic_set_relb(&tb->szm, szm);
+ else
+ erts_smp_atomic_set_nob(&tb->szm, szm);
+ }
+ done_resizing(tb);
+
+ /* Finally, let's split the bucket. We try to do it in a smart way
+ to keep link order and avoid unnecessary updates of next-pointers */
+ pnext = &BUCKET(tb, from_ix);
+ p = *pnext;
+ to_pnext = &BUCKET(tb, to_ix);
+ while (p != NULL) {
+ if (p->hvalue == INVALID_HASH) { /* rare but possible with fine locking */
+ *pnext = p->next;
+ free_term(tb, p);
+ p = *pnext;
+ }
+ else {
+ int ix = p->hvalue & szm;
+ if (ix != from_ix) {
+ ASSERT(ix == (from_ix ^ ((szm+1)>>1)));
+ *to_pnext = p;
+ /* Swap "from" and "to": */
+ from_ix = ix;
+ to_pnext = pnext;
+ }
+ pnext = &p->next;
+ p = *pnext;
+ }
+ }
+ *to_pnext = NULL;
+ WUNLOCK_HASH(lck);
- /* Finally, let's split the bucket. We try to do it in a smart way
- to keep link order and avoid unnecessary updates of next-pointers */
- pnext = &BUCKET(tb, from_ix);
- p = *pnext;
- to_pnext = &BUCKET(tb, nactive);
- while (p != NULL) {
- if (p->hvalue == INVALID_HASH) { /* rare but possible with fine locking */
- *pnext = p->next;
- free_term(tb, p);
- p = *pnext;
- }
- else {
- int ix = p->hvalue & szm;
- if (ix != from_ix) {
- ASSERT(ix == (from_ix ^ ((szm+1)>>1)));
- *to_pnext = p;
- /* Swap "from" and "to": */
- from_ix = ix;
- to_pnext = pnext;
- }
- pnext = &p->next;
- p = *pnext;
- }
- }
- *to_pnext = NULL;
+ }while (--loop_limit && nitems > GROW_LIMIT(nactive));
- WUNLOCK_HASH(lck);
return;
abort:
@@ -2712,60 +2681,78 @@ abort:
/* Shrink table by joining top bucket.
** Remove top segment if it gets empty.
*/
-static void shrink(DbTableHash* tb, int nactive)
-{
- if (!begin_resizing(tb))
- return; /* already in progress */
- if (NACTIVE(tb) == nactive) {
- erts_smp_rwmtx_t* lck;
- int src_ix = nactive - 1;
- int low_szm = erts_smp_atomic_read_nob(&tb->szm) >> 1;
- int dst_ix = src_ix & low_szm;
-
- ASSERT(dst_ix < src_ix);
- ASSERT(nactive > SEGSZ);
- lck = WLOCK_HASH(tb, dst_ix);
- /* Double check for racing table fixers */
- if (!IS_FIXED(tb)) {
- HashDbTerm** src_bp = &BUCKET(tb, src_ix);
- HashDbTerm** dst_bp = &BUCKET(tb, dst_ix);
- HashDbTerm** bp = src_bp;
-
- /* Q: Why join lists by appending "dst" at the end of "src"?
- A: Must step through "src" anyway to purge pseudo deleted. */
- while(*bp != NULL) {
- if ((*bp)->hvalue == INVALID_HASH) {
- HashDbTerm* deleted = *bp;
- *bp = deleted->next;
- free_term(tb, deleted);
- } else {
- bp = &(*bp)->next;
- }
- }
- *bp = *dst_bp;
- *dst_bp = *src_bp;
- *src_bp = NULL;
-
- erts_smp_atomic_set_nob(&tb->nactive, src_ix);
- if (dst_ix == 0) {
- erts_smp_atomic_set_relb(&tb->szm, low_szm);
- }
- WUNLOCK_HASH(lck);
-
- if (tb->nslots - src_ix >= SEGSZ) {
- free_seg(tb, 0);
- }
- }
- else {
- WUNLOCK_HASH(lck);
- }
+static void shrink(DbTableHash* tb, int nitems)
+{
+ HashDbTerm** src_bp;
+ HashDbTerm** dst_bp;
+ HashDbTerm** bp;
+ erts_smp_rwmtx_t* lck;
+ int src_ix, dst_ix, low_szm;
+ int nactive;
+ int loop_limit = 5;
- }
- /*else already done */
+ do {
+ if (!begin_resizing(tb))
+ return; /* already in progress */
+ nactive = NACTIVE(tb);
+ if (!(nactive > FIRST_SEGSZ && nitems < SHRINK_LIMIT(nactive))) {
+ goto abort; /* already done (race) */
+ }
+ src_ix = nactive - 1;
+ low_szm = erts_smp_atomic_read_nob(&tb->szm) >> 1;
+ dst_ix = src_ix & low_szm;
+
+ ASSERT(dst_ix < src_ix);
+ ASSERT(nactive > FIRST_SEGSZ);
+ lck = WLOCK_HASH(tb, dst_ix);
+ ERTS_SMP_ASSERT(lck == GET_LOCK_MAYBE(tb,src_ix));
+ /* Double check for racing table fixers */
+ if (IS_FIXED(tb)) {
+ WUNLOCK_HASH(lck);
+ goto abort;
+ }
+
+ src_bp = &BUCKET(tb, src_ix);
+ dst_bp = &BUCKET(tb, dst_ix);
+ bp = src_bp;
+
+ /*
+ * We join lists by appending "dst" at the end of "src"
+ * as we must step through "src" anyway to purge pseudo deleted.
+ */
+ while(*bp != NULL) {
+ if ((*bp)->hvalue == INVALID_HASH) {
+ HashDbTerm* deleted = *bp;
+ *bp = deleted->next;
+ free_term(tb, deleted);
+ } else {
+ bp = &(*bp)->next;
+ }
+ }
+ *bp = *dst_bp;
+ *dst_bp = *src_bp;
+ *src_bp = NULL;
+
+ nactive = src_ix;
+ erts_smp_atomic_set_nob(&tb->nactive, nactive);
+ if (dst_ix == 0) {
+ erts_smp_atomic_set_relb(&tb->szm, low_szm);
+ }
+ WUNLOCK_HASH(lck);
+
+ if (tb->nslots - src_ix >= EXT_SEGSZ) {
+ free_seg(tb, 0);
+ }
+ done_resizing(tb);
+
+ } while (--loop_limit
+ && nactive > FIRST_SEGSZ && nitems < SHRINK_LIMIT(nactive));
+ return;
+
+abort:
done_resizing(tb);
}
-
/* Search a list of tuples for a matching key */
static HashDbTerm* search_list(DbTableHash* tb, Eterm key,
@@ -2931,8 +2918,8 @@ db_finalize_dbterm_hash(int cret, DbUpdateHandle* handle)
WUNLOCK_HASH(lck);
nactive = NACTIVE(tb);
- if (nitems > nactive * (CHAIN_LEN + 1) && !IS_FIXED(tb)) {
- grow(tb, nactive);
+ if (nitems > GROW_LIMIT(nactive) && !IS_FIXED(tb)) {
+ grow(tb, nitems);
}
} else {
WUNLOCK_HASH(lck);
@@ -3016,6 +3003,51 @@ void db_calc_stats_hash(DbTableHash* tb, DbHashStats* stats)
stats->std_dev_expected = sqrt(stats->avg_chain_len * (1 - 1.0/NACTIVE(tb)));
stats->kept_items = kept_items;
}
+
+/* For testing only */
+Eterm erts_ets_hash_sizeof_ext_segtab(void)
+{
+ return make_small(((SIZEOF_EXT_SEGTAB(0)-1) / sizeof(UWord)) + 1);
+}
+/* For testing only */
+Eterm erts_ets_hash_get_memstate(Process* p, DbTableHash* tb)
+{
+ Eterm seg_cnt;
+ while (!begin_resizing(tb))
+ /*spinn*/;
+
+ seg_cnt = make_small(SLOT_IX_TO_SEG_IX(tb->nslots));
+ done_resizing(tb);
+ return seg_cnt;
+}
+/* For testing only */
+Eterm erts_ets_hash_restore_memstate(DbTableHash* tb, Eterm memstate)
+{
+ int seg_cnt, target;
+
+ if (!is_small(memstate))
+ return make_small(__LINE__);
+
+ target = signed_val(memstate);
+ if (target < 1)
+ return make_small(__LINE__);
+ while (1) {
+ while (!begin_resizing(tb))
+ /*spin*/;
+ seg_cnt = SLOT_IX_TO_SEG_IX(tb->nslots);
+ done_resizing(tb);
+
+ if (target == seg_cnt)
+ return am_ok;
+ if (IS_FIXED(tb))
+ return make_small(__LINE__);
+ if (target < seg_cnt)
+ shrink(tb, 0);
+ else
+ grow(tb, INT_MAX);
+ }
+}
+
#ifdef HARDDEBUG
void db_check_table_hash(DbTable *tbl)
@@ -3024,7 +3056,7 @@ void db_check_table_hash(DbTable *tbl)
HashDbTerm* list;
int j;
- for (j = 0; j < tb->nactive; j++) {
+ for (j = 0; j < NACTIVE(tb); j++) {
if ((list = BUCKET(tb,j)) != 0) {
while (list != 0) {
if (!is_tuple(make_tuple(list->dbterm.tpl))) {
diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h
index e654363cd5..6d25c73549 100644
--- a/erts/emulator/beam/erl_db_hash.h
+++ b/erts/emulator/beam/erl_db_hash.h
@@ -50,23 +50,23 @@ typedef struct db_table_hash_fine_locks {
typedef struct db_table_hash {
DbTableCommon common;
- erts_smp_atomic_t segtab; /* The segment table (struct segment**) */
+ /* SMP: szm and nactive are write-protected by is_resizing or table write lock */
erts_smp_atomic_t szm; /* current size mask. */
-
+ erts_smp_atomic_t nactive; /* Number of "active" slots */
+
+ erts_smp_atomic_t segtab; /* The segment table (struct segment**) */
+ struct segment* first_segtab[1];
+
/* SMP: nslots and nsegs are protected by is_resizing or table write lock */
int nslots; /* Total number of slots */
int nsegs; /* Size of segment table */
/* List of slots where elements have been deleted while table was fixed */
erts_smp_atomic_t fixdel; /* (FixedDeletion*) */
- erts_smp_atomic_t nactive; /* Number of "active" slots */
- erts_smp_atomic_t is_resizing; /* grow/shrink in progress */
#ifdef ERTS_SMP
+ erts_smp_atomic_t is_resizing; /* grow/shrink in progress */
DbTableHashFineLocks* locks;
#endif
-#ifdef VALGRIND
- struct ext_segment* top_ptr_to_segment_with_active_segtab;
-#endif
} DbTableHash;
@@ -109,5 +109,8 @@ typedef struct {
}DbHashStats;
void db_calc_stats_hash(DbTableHash* tb, DbHashStats*);
+Eterm erts_ets_hash_sizeof_ext_segtab(void);
+Eterm erts_ets_hash_get_memstate(Process*, DbTableHash* tb);
+Eterm erts_ets_hash_restore_memstate(DbTableHash* tb, Eterm memstate);
#endif /* _DB_HASH_H */
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 6f641a1ea7..db262d35c5 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -2182,26 +2182,18 @@ copy_one_frag(Eterm** hpp, ErlOffHeap* off_heap,
*hp++ = val;
break;
case TAG_PRIMARY_LIST:
-#ifdef SHCOPY_SEND
if (erts_is_literal(val,list_val(val))) {
*hp++ = val;
} else {
*hp++ = offset_ptr(val, offs);
}
-#else
- *hp++ = offset_ptr(val, offs);
-#endif
break;
case TAG_PRIMARY_BOXED:
-#ifdef SHCOPY_SEND
if (erts_is_literal(val,boxed_val(val))) {
*hp++ = val;
} else {
*hp++ = offset_ptr(val, offs);
}
-#else
- *hp++ = offset_ptr(val, offs);
-#endif
break;
case TAG_PRIMARY_HEADER:
*hp++ = val;
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 781bf024dd..b299ac8d64 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -2264,7 +2264,6 @@ erl_start(int argc, char **argv)
ASSERT(erts_code_purger && erts_code_purger->common.id == pid);
erts_proc_inc_refc(erts_code_purger);
-#ifdef ERTS_NEW_PURGE_STRATEGY
pid = erl_system_process_otp(otp_ring0_pid, "erts_literal_area_collector");
erts_literal_area_collector
= (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc,
@@ -2272,7 +2271,6 @@ erl_start(int argc, char **argv)
ASSERT(erts_literal_area_collector
&& erts_literal_area_collector->common.id == pid);
erts_proc_inc_refc(erts_literal_area_collector);
-#endif
#ifdef ERTS_DIRTY_SCHEDULERS
pid = erl_system_process_otp(otp_ring0_pid, "erts_dirty_process_code_checker");
@@ -2302,7 +2300,7 @@ erl_start(int argc, char **argv)
#endif
set_main_stack_size();
erts_sched_init_time_sup(esdp);
- process_main();
+ process_main(esdp->x_reg_array, esdp->f_reg_array);
}
#endif
}
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c
index 06266363b5..356f5ca71e 100644
--- a/erts/emulator/beam/erl_lock_check.c
+++ b/erts/emulator/beam/erl_lock_check.c
@@ -113,10 +113,8 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "export_tab", NULL },
{ "fun_tab", NULL },
{ "environ", NULL },
-#ifdef ERTS_NEW_PURGE_STRATEGY
{ "release_literal_areas", NULL },
#endif
-#endif
{ "efile_drv", "address" },
{ "drv_ev_state_grow", NULL, },
{ "drv_ev_state", "address" },
diff --git a/erts/emulator/beam/erl_math.c b/erts/emulator/beam/erl_math.c
index fc0aaed18a..990fa63bd4 100644
--- a/erts/emulator/beam/erl_math.c
+++ b/erts/emulator/beam/erl_math.c
@@ -247,6 +247,12 @@ BIF_RETTYPE math_pow_2(BIF_ALIST_2)
return math_call_2(BIF_P, pow, BIF_ARG_1, BIF_ARG_2);
}
+BIF_RETTYPE math_ceil_1(BIF_ALIST_1)
+{
+ return math_call_1(BIF_P, ceil, BIF_ARG_1);
+}
-
-
+BIF_RETTYPE math_floor_1(BIF_ALIST_1)
+{
+ return math_call_1(BIF_P, floor, BIF_ARG_1);
+}
diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c
index e4c696ae3b..118adc0c1b 100644
--- a/erts/emulator/beam/erl_message.c
+++ b/erts/emulator/beam/erl_message.c
@@ -696,6 +696,9 @@ erts_send_message(Process* sender,
erts_aint32_t receiver_state;
#ifdef SHCOPY_SEND
erts_shcopy_t info;
+#else
+ erts_literal_area_t litarea;
+ INITIALIZE_LITERAL_PURGE_AREA(litarea);
#endif
#ifdef USE_VM_PROBES
@@ -725,7 +728,7 @@ erts_send_message(Process* sender,
*/
if (have_seqtrace(stoken)) {
seq_trace_update_send(sender);
- seq_trace_output(stoken, message, SEQ_TRACE_SEND,
+ seq_trace_output(stoken, message, SEQ_TRACE_SEND,
receiver->common.id, sender);
seq_trace_size = 6; /* TUPLE5 */
}
@@ -741,7 +744,7 @@ erts_send_message(Process* sender,
INITIALIZE_SHCOPY(info);
msize = copy_shared_calculate(message, &info);
#else
- msize = size_object(message);
+ msize = size_object_litopt(message, &litarea);
#endif
mp = erts_alloc_message_heap_state(receiver,
&receiver_state,
@@ -760,7 +763,7 @@ erts_send_message(Process* sender,
DESTROY_SHCOPY(info);
#else
if (is_not_immed(message))
- message = copy_struct(message, msize, &hp, ohp);
+ message = copy_struct_litopt(message, msize, &hp, ohp, &litarea);
#endif
if (is_immed(stoken))
token = stoken;
@@ -796,7 +799,7 @@ erts_send_message(Process* sender,
INITIALIZE_SHCOPY(info);
msize = copy_shared_calculate(message, &info);
#else
- msize = size_object(message);
+ msize = size_object_litopt(message, &litarea);
#endif
mp = erts_alloc_message_heap_state(receiver,
&receiver_state,
@@ -810,7 +813,7 @@ erts_send_message(Process* sender,
DESTROY_SHCOPY(info);
#else
if (is_not_immed(message))
- message = copy_struct(message, msize, &hp, ohp);
+ message = copy_struct_litopt(message, msize, &hp, ohp, &litarea);
#endif
}
#ifdef USE_VM_PROBES
@@ -998,8 +1001,8 @@ erts_move_messages_off_heap(Process *c_p)
hp = hfrag->mem;
if (is_not_immed(ERL_MESSAGE_TERM(mp)))
ERL_MESSAGE_TERM(mp) = copy_struct(ERL_MESSAGE_TERM(mp),
- msg_sz, &hp,
- &hfrag->off_heap);
+ msg_sz, &hp,
+ &hfrag->off_heap);
if (is_not_immed(ERL_MESSAGE_TOKEN(mp)))
ERL_MESSAGE_TOKEN(mp) = copy_struct(ERL_MESSAGE_TOKEN(mp),
token_sz, &hp,
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 9a873857b9..8975eca65d 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -687,9 +687,12 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
MBUF(&menv->phony_proc) = NULL;
}
} else {
- Uint sz = size_object(msg);
+ erts_literal_area_t litarea;
ErlOffHeap *ohp;
Eterm *hp;
+ Uint sz;
+ INITIALIZE_LITERAL_PURGE_AREA(litarea);
+ sz = size_object_litopt(msg, &litarea);
if (env && !env->tracee) {
full_flush_env(env);
mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp);
@@ -709,7 +712,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
ohp = &bp->off_heap;
}
}
- msg = copy_struct(msg, sz, &hp, ohp);
+ msg = copy_struct_litopt(msg, sz, &hp, ohp, &litarea);
}
ERL_MESSAGE_TERM(mp) = msg;
@@ -3142,7 +3145,6 @@ static ErlNifFunc* next_func(ErlNifEntry* entry, int* incrp, ErlNifFunc* func)
BIF_RETTYPE load_nif_2(BIF_ALIST_2)
{
static const char bad_lib[] = "bad_lib";
- static const char reload[] = "reload";
static const char upgrade[] = "upgrade";
char* lib_name = NULL;
void* handle = NULL;
@@ -3159,7 +3161,6 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
Eterm ret = am_ok;
int veto;
struct erl_module_nif* lib = NULL;
- int reload_warning = 0;
struct erl_module_instance* this_mi;
struct erl_module_instance* prev_mi;
@@ -3219,8 +3220,12 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
this_mi = module_p->on_load;
}
- if (init_func == NULL &&
- (err=erts_sys_ddll_open(lib_name, &handle, &errdesc)) != ERL_DE_NO_ERROR) {
+ if (this_mi->nif != NULL) {
+ ret = load_nif_error(BIF_P,"reload","NIF library already loaded"
+ " (reload disallowed since OTP 20).");
+ }
+ else if (init_func == NULL &&
+ (err=erts_sys_ddll_open(lib_name, &handle, &errdesc)) != ERL_DE_NO_ERROR) {
const char slogan[] = "Failed to load NIF library";
if (strstr(errdesc.str, lib_name) != NULL) {
ret = load_nif_error(BIF_P, "load_failed", "%s: '%s'", slogan, errdesc.str);
@@ -3309,7 +3314,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
goto error;
}
- /* Call load, reload or upgrade:
+ /* Call load or upgrade:
*/
@@ -3321,82 +3326,33 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
ASSERT(opened_rt_list == NULL);
lib->mod = module_p;
env.mod_nif = lib;
- if (this_mi->nif != NULL) { /*************** Reload ******************/
- /*
- * Repeated load_nif calls from same Erlang module instance ("reload")
- * is deprecated and was only ment as a development feature not to
- * be used in production systems. (See warning below)
- */
- int k, old_incr = 0;
- ErlNifFunc* old_func;
- lib->priv_data = this_mi->nif->priv_data;
-
- ASSERT(this_mi->nif->entry != NULL);
- if (entry->reload == NULL) {
- ret = load_nif_error(BIF_P,reload,"Reload not supported by this NIF library.");
- goto error;
- }
- /* Check that no NIF is removed */
- old_func = this_mi->nif->entry->funcs;
- for (k=0; k < this_mi->nif->entry->num_of_funcs; k++) {
- int incr = 0;
- ErlNifFunc* f = entry->funcs;
- for (i=0; i < entry->num_of_funcs; i++) {
- if (old_func->arity == f->arity
- && sys_strcmp(old_func->name, f->name) == 0) {
- break;
- }
- f = next_func(entry, &incr, f);
- }
- if (i == entry->num_of_funcs) {
- ret = load_nif_error(BIF_P,reload,"Reloaded library missing "
- "function %T:%s/%u\r\n", mod_atom,
- old_func->name, old_func->arity);
- goto error;
- }
- old_func = next_func(this_mi->nif->entry, &old_incr, old_func);
- }
- erts_pre_nif(&env, BIF_P, lib, NULL);
- veto = entry->reload(&env, &lib->priv_data, BIF_ARG_2);
- erts_post_nif(&env);
- if (veto) {
- ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful (%d).", veto);
- }
- else {
- commit_opened_resource_types(lib);
- this_mi->nif->entry = NULL; /* to prevent 'unload' callback */
- erts_unload_nif(this_mi->nif);
- reload_warning = 1;
- }
+
+ lib->priv_data = NULL;
+ if (prev_mi->nif != NULL) { /**************** Upgrade ***************/
+ void* prev_old_data = prev_mi->nif->priv_data;
+ if (entry->upgrade == NULL) {
+ ret = load_nif_error(BIF_P, upgrade, "Upgrade not supported by this NIF library.");
+ goto error;
+ }
+ erts_pre_nif(&env, BIF_P, lib, NULL);
+ veto = entry->upgrade(&env, &lib->priv_data, &prev_mi->nif->priv_data, BIF_ARG_2);
+ erts_post_nif(&env);
+ if (veto) {
+ prev_mi->nif->priv_data = prev_old_data;
+ ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful (%d).", veto);
+ }
+ else
+ commit_opened_resource_types(lib);
}
- else {
- lib->priv_data = NULL;
- if (prev_mi->nif != NULL) { /**************** Upgrade ***************/
- void* prev_old_data = prev_mi->nif->priv_data;
- if (entry->upgrade == NULL) {
- ret = load_nif_error(BIF_P, upgrade, "Upgrade not supported by this NIF library.");
- goto error;
- }
- erts_pre_nif(&env, BIF_P, lib, NULL);
- veto = entry->upgrade(&env, &lib->priv_data, &prev_mi->nif->priv_data, BIF_ARG_2);
- erts_post_nif(&env);
- if (veto) {
- prev_mi->nif->priv_data = prev_old_data;
- ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful (%d).", veto);
- }
- else
- commit_opened_resource_types(lib);
- }
- else if (entry->load != NULL) { /********* Initial load ***********/
- erts_pre_nif(&env, BIF_P, lib, NULL);
- veto = entry->load(&env, &lib->priv_data, BIF_ARG_2);
- erts_post_nif(&env);
- if (veto) {
- ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful (%d).", veto);
- }
- else
- commit_opened_resource_types(lib);
- }
+ else if (entry->load != NULL) { /********* Initial load ***********/
+ erts_pre_nif(&env, BIF_P, lib, NULL);
+ veto = entry->load(&env, &lib->priv_data, BIF_ARG_2);
+ erts_post_nif(&env);
+ if (veto) {
+ ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful (%d).", veto);
+ }
+ else
+ commit_opened_resource_types(lib);
}
if (ret == am_ok) {
/*
@@ -3455,14 +3411,6 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
erts_release_code_write_permission();
erts_free(ERTS_ALC_T_TMP, lib_name);
- if (reload_warning) {
- erts_dsprintf_buf_t* dsbufp = erts_create_logger_dsbuf();
- erts_dsprintf(dsbufp,
- "Repeated calls to erlang:load_nif from module '%T'.\n\n"
- "The NIF reload mechanism is deprecated and must not "
- "be used in production systems.\n", mod_atom);
- erts_send_warning_to_logger(BIF_P->group_leader, dsbufp);
- }
BIF_RET(ret);
}
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index bc59147c6c..269518d8d6 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -446,11 +446,10 @@ int erts_system_profile_ts_type = ERTS_TRACE_FLG_NOW_TIMESTAMP;
#endif
typedef enum {
- ERTS_PSTT_GC, /* Garbage Collect */
+ ERTS_PSTT_GC_MAJOR, /* Garbage Collect: Fullsweep */
+ ERTS_PSTT_GC_MINOR, /* Garbage Collect: Generational */
ERTS_PSTT_CPC, /* Check Process Code */
-#ifdef ERTS_NEW_PURGE_STRATEGY
ERTS_PSTT_CLA, /* Copy Literal Area */
-#endif
ERTS_PSTT_COHMQ, /* Change off heap message queue */
ERTS_PSTT_FTMQ /* Flush trace msg queue */
} ErtsProcSysTaskType;
@@ -8169,7 +8168,8 @@ sched_thread_func(void *vesdp)
ERTS_VERIFY_UNUSED_TEMP_ALLOC(NULL);
#endif
- process_main();
+ process_main(esdp->x_reg_array, esdp->f_reg_array);
+
/* No schedulers should *ever* terminate */
erts_exit(ERTS_ABORT_EXIT,
"Scheduler thread number %beu terminated\n",
@@ -10414,7 +10414,8 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds)
break;
switch (st->type) {
- case ERTS_PSTT_GC:
+ case ERTS_PSTT_GC_MAJOR:
+ case ERTS_PSTT_GC_MINOR:
if (c_p->flags & F_DISABLE_GC) {
save_gc_task(c_p, st, st_prio);
st = NULL;
@@ -10422,7 +10423,9 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds)
}
else {
if (!garbage_collected) {
- FLAGS(c_p) |= F_NEED_FULLSWEEP;
+ if (st->type == ERTS_PSTT_GC_MAJOR) {
+ FLAGS(c_p) |= F_NEED_FULLSWEEP;
+ }
reds -= scheduler_gc_proc(c_p, reds);
garbage_collected = 1;
}
@@ -10438,7 +10441,6 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds)
fcalls = reds - CONTEXT_REDS;
st_res = erts_check_process_code(c_p,
st->arg[0],
- unsigned_val(st->arg[1]),
&cpc_reds,
fcalls);
reds -= cpc_reds;
@@ -10449,7 +10451,6 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds)
}
break;
}
-#ifdef ERTS_NEW_PURGE_STRATEGY
case ERTS_PSTT_CLA: {
int fcalls;
int cla_reds = 0;
@@ -10469,7 +10470,6 @@ execute_sys_tasks(Process *c_p, erts_aint32_t *statep, int in_reds)
}
break;
}
-#endif
case ERTS_PSTT_COHMQ:
reds -= erts_complete_off_heap_message_queue_change(c_p);
st_res = am_true;
@@ -10519,16 +10519,15 @@ cleanup_sys_tasks(Process *c_p, erts_aint32_t in_state, int in_reds)
break;
switch (st->type) {
- case ERTS_PSTT_GC:
+ case ERTS_PSTT_GC_MAJOR:
+ case ERTS_PSTT_GC_MINOR:
case ERTS_PSTT_CPC:
case ERTS_PSTT_COHMQ:
st_res = am_false;
break;
-#ifdef ERTS_NEW_PURGE_STRATEGY
case ERTS_PSTT_CLA:
st_res = am_ok;
break;
-#endif
#ifdef ERTS_SMP
case ERTS_PSTT_FTMQ:
reds -= erts_flush_trace_messages(c_p, ERTS_PROC_LOCK_MAIN);
@@ -10694,17 +10693,19 @@ request_system_task(Process *c_p, Eterm requester, Eterm target,
switch (req_type) {
case am_garbage_collect:
- st->type = ERTS_PSTT_GC;
- noproc_res = am_false;
- if (!rp)
+ switch (st->arg[0]) {
+ case am_minor: st->type = ERTS_PSTT_GC_MINOR; break;
+ case am_major: st->type = ERTS_PSTT_GC_MAJOR; break;
+ default: goto badarg;
+ }
+ noproc_res = am_false;
+ if (!rp)
goto noproc;
break;
case am_check_process_code:
if (is_not_atom(st->arg[0]))
goto badarg;
- if (is_not_small(st->arg[1]) || (unsigned_val(st->arg[1]) & ~ERTS_CPC_ALL))
- goto badarg;
noproc_res = am_false;
st->type = ERTS_PSTT_CPC;
if (!rp)
@@ -10720,7 +10721,6 @@ request_system_task(Process *c_p, Eterm requester, Eterm target,
#endif
break;
-#ifdef ERTS_NEW_PURGE_STRATEGY
case am_copy_literals:
if (st->arg[0] != am_true && st->arg[0] != am_false)
goto badarg;
@@ -10729,7 +10729,6 @@ request_system_task(Process *c_p, Eterm requester, Eterm target,
if (!rp)
goto noproc;
break;
-#endif
default:
goto badarg;
@@ -11379,6 +11378,9 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
#ifdef SHCOPY_SPAWN
erts_shcopy_t info;
INITIALIZE_SHCOPY(info);
+#else
+ erts_literal_area_t litarea;
+ INITIALIZE_LITERAL_PURGE_AREA(litarea);
#endif
erts_smp_proc_lock(parent, ERTS_PROC_LOCKS_ALL_MINOR);
@@ -11437,7 +11439,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
#ifdef SHCOPY_SPAWN
arg_size = copy_shared_calculate(args, &info);
#else
- arg_size = size_object(args);
+ arg_size = size_object_litopt(args, &litarea);
#endif
heap_need = arg_size;
@@ -11461,7 +11463,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
}
p->schedule_count = 0;
ASSERT(p->min_heap_size == erts_next_heap_size(p->min_heap_size, 0));
-
+
p->u.initial[INITIAL_MOD] = mod;
p->u.initial[INITIAL_FUN] = func;
p->u.initial[INITIAL_ARI] = (Uint) arity;
@@ -11519,7 +11521,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
p->arg_reg[2] = copy_shared_perform(args, arg_size, &info, &p->htop, &p->off_heap);
DESTROY_SHCOPY(info);
#else
- p->arg_reg[2] = copy_struct(args, arg_size, &p->htop, &p->off_heap);
+ p->arg_reg[2] = copy_struct_litopt(args, arg_size, &p->htop, &p->off_heap, &litarea);
#endif
p->arity = 3;
diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h
index f97716d030..60c2349f36 100644
--- a/erts/emulator/beam/erl_vm.h
+++ b/erts/emulator/beam/erl_vm.h
@@ -146,11 +146,12 @@ typedef struct op_entry {
int sz; /* Number of loaded words. */
char* pack; /* Instructions for packing engine. */
char* sign; /* Signature string. */
- unsigned count; /* Number of times executed. */
} OpEntry;
-extern OpEntry opc[]; /* Description of all instructions. */
-extern int num_instructions; /* Number of instruction in opc[]. */
+extern const OpEntry opc[]; /* Description of all instructions. */
+extern const int num_instructions; /* Number of instruction in opc[]. */
+
+extern Uint erts_instr_count[];
/* some constants for various table sizes etc */
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index b2c76aa605..93996e8b41 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1000,12 +1000,8 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg);
Eterm erl_is_function(Process* p, Eterm arg1, Eterm arg2);
/* beam_bif_load.c */
-#define ERTS_CPC_ALLOW_GC (1 << 0)
-#define ERTS_CPC_ALL ERTS_CPC_ALLOW_GC
-Eterm erts_check_process_code(Process *c_p, Eterm module, Uint flags, int *redsp, int fcalls);
-#ifdef ERTS_NEW_PURGE_STRATEGY
+Eterm erts_check_process_code(Process *c_p, Eterm module, int *redsp, int fcalls);
Eterm erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed);
-#endif
typedef struct ErtsLiteralArea_ {
struct erl_off_heap_header *off_heap;
@@ -1019,10 +1015,7 @@ typedef struct ErtsLiteralArea_ {
extern erts_smp_atomic_t erts_copy_literal_area__;
#define ERTS_COPY_LITERAL_AREA() \
((ErtsLiteralArea *) erts_smp_atomic_read_nob(&erts_copy_literal_area__))
-
-#ifdef ERTS_NEW_PURGE_STRATEGY
extern Process *erts_literal_area_collector;
-#endif
#ifdef ERTS_DIRTY_SCHEDULERS
extern Process *erts_dirty_process_code_checker;
#endif
@@ -1104,26 +1097,26 @@ typedef struct {
Eterm* shtable_start;
ErtsAlcType_t shtable_alloc_type;
Uint literal_size;
- Eterm *range_ptr;
- Uint range_sz;
+ Eterm *lit_purge_ptr;
+ Uint lit_purge_sz;
} erts_shcopy_t;
-#define INITIALIZE_SHCOPY(info) \
-do { \
- ErtsLiteralArea *larea__ = ERTS_COPY_LITERAL_AREA();\
- info.queue_start = info.queue_default; \
- info.bitstore_start = info.bitstore_default; \
- info.shtable_start = info.shtable_default; \
- info.literal_size = 0; \
- if (larea__) { \
- info.range_ptr = &larea__->start[0]; \
- info.range_sz = larea__->end - info.range_ptr; \
- } \
- else { \
- info.range_ptr = NULL; \
- info.range_sz = 0; \
- } \
-} while(0)
+#define INITIALIZE_SHCOPY(info) \
+ do { \
+ ErtsLiteralArea *larea__ = ERTS_COPY_LITERAL_AREA(); \
+ info.queue_start = info.queue_default; \
+ info.bitstore_start = info.bitstore_default; \
+ info.shtable_start = info.shtable_default; \
+ info.literal_size = 0; \
+ if (larea__) { \
+ info.lit_purge_ptr = &larea__->start[0]; \
+ info.lit_purge_sz = larea__->end - info.lit_purge_ptr; \
+ } \
+ else { \
+ info.lit_purge_ptr = NULL; \
+ info.lit_purge_sz = 0; \
+ } \
+ } while(0)
#define DESTROY_SHCOPY(info) \
do { \
@@ -1139,18 +1132,42 @@ do { \
} while(0)
/* copy.c */
+typedef struct {
+ Eterm *lit_purge_ptr;
+ Uint lit_purge_sz;
+} erts_literal_area_t;
+
+#define INITIALIZE_LITERAL_PURGE_AREA(Area) \
+ do { \
+ ErtsLiteralArea *larea__ = ERTS_COPY_LITERAL_AREA(); \
+ if (larea__) { \
+ (Area).lit_purge_ptr = &larea__->start[0]; \
+ (Area).lit_purge_sz = larea__->end - (Area).lit_purge_ptr; \
+ } \
+ else { \
+ (Area).lit_purge_ptr = NULL; \
+ (Area).lit_purge_sz = 0; \
+ } \
+ } while(0)
+
Eterm copy_object_x(Eterm, Process*, Uint);
#define copy_object(Term, Proc) copy_object_x(Term,Proc,0)
-Uint size_object(Eterm);
+Uint size_object_x(Eterm, erts_literal_area_t*);
+#define size_object(Term) size_object_x(Term,NULL)
+#define size_object_litopt(Term,LitArea) size_object_x(Term,LitArea)
+
Uint copy_shared_calculate(Eterm, erts_shcopy_t*);
Eterm copy_shared_perform(Eterm, Uint, erts_shcopy_t*, Eterm**, ErlOffHeap*);
Uint size_shared(Eterm);
-Eterm copy_struct_x(Eterm, Uint, Eterm**, ErlOffHeap*, Uint* bsz);
+Eterm copy_struct_x(Eterm, Uint, Eterm**, ErlOffHeap*, Uint*, erts_literal_area_t*);
#define copy_struct(Obj,Sz,HPP,OH) \
- copy_struct_x(Obj,Sz,HPP,OH,NULL)
+ copy_struct_x(Obj,Sz,HPP,OH,NULL,NULL)
+#define copy_struct_litopt(Obj,Sz,HPP,OH,LitArea) \
+ copy_struct_x(Obj,Sz,HPP,OH,NULL,LitArea)
+
Eterm copy_shallow(Eterm*, Uint, Eterm**, ErlOffHeap*);
void erts_move_multi_frags(Eterm** hpp, ErlOffHeap*, ErlHeapFragment* first,
@@ -1179,7 +1196,7 @@ void print_pass_through(int, byte*, int);
/* beam_emu.c */
int catchlevel(Process*);
void init_emulator(void);
-void process_main(void);
+void process_main(Eterm* x_reg_array, FloatDef* f_reg_array);
void erts_dirty_process_main(ErtsSchedulerData *);
Eterm build_stacktrace(Process* c_p, Eterm exc);
Eterm expand_error_value(Process* c_p, Uint freason, Eterm Value);
@@ -1452,18 +1469,6 @@ Eterm erts_gc_bor(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_bxor(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_bnot(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_length_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_bit_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_byte_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_map_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_abs_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_float_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_round_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_trunc_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_binary_part_3(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_binary_part_2(Process* p, Eterm* reg, Uint live);
-
Uint erts_current_reductions(Process* current, Process *p);
int erts_print_system_version(int to, void *arg, Process *c_p);
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab
index 879daaca0a..4ef04d020a 100644
--- a/erts/emulator/beam/ops.tab
+++ b/erts/emulator/beam/ops.tab
@@ -792,14 +792,14 @@ allocate_init t I y
#################################################################
#
-# The BIFs erts_internal:check_process_code/2 must be called like a function,
+# The BIFs erts_internal:check_process_code/1 must be called like a function,
# to ensure that c_p->i (program counter) is set correctly (an ordinary
# BIF call doesn't set it).
#
-call_ext u==2 Bif=u$bif:erts_internal:check_process_code/2 => i_call_ext Bif
-call_ext_last u==2 Bif=u$bif:erts_internal:check_process_code/2 D => i_call_ext_last Bif D
-call_ext_only u==2 Bif=u$bif:erts_internal:check_process_code/2 => i_call_ext_only Bif
+call_ext u==1 Bif=u$bif:erts_internal:check_process_code/1 => i_call_ext Bif
+call_ext_last u==1 Bif=u$bif:erts_internal:check_process_code/1 D => i_call_ext_last Bif D
+call_ext_only u==1 Bif=u$bif:erts_internal:check_process_code/1 => i_call_ext_only Bif
#
# The BIFs erlang:garbage_collect/0 must be called like a function,
@@ -811,6 +811,10 @@ call_ext u==0 Bif=u$bif:erlang:garbage_collect/0 => i_call_ext Bif
call_ext_last u==0 Bif=u$bif:erlang:garbage_collect/0 D => i_call_ext_last Bif D
call_ext_only u==0 Bif=u$bif:erlang:garbage_collect/0 => i_call_ext_only Bif
+call_ext u==1 Bif=u$bif:erts_internal:garbage_collect/1 => i_call_ext Bif
+call_ext_last u==1 Bif=u$bif:erts_internal:garbage_collect/1 D => i_call_ext_last Bif D
+call_ext_only u==1 Bif=u$bif:erts_internal:garbage_collect/1 => i_call_ext_only Bif
+
#
# put/2 and erase/1 must be able to do garbage collection, so we must call
# them like functions.
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index dfe82cab44..16e6c33367 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -99,6 +99,12 @@
#define ErtsContainerStruct(ptr, type, member) \
((type *)((char *)(1 ? (ptr) : &((type *)0)->member) - offsetof(type, member)))
+/* Use this variant when the member is an array */
+#define ErtsContainerStruct_(ptr, type, memberv) \
+ ((type *)((char *)(1 ? (ptr) : ((type *)0)->memberv) - offsetof(type, memberv)))
+
+#define ErtsSizeofMember(type, member) sizeof(((type *)0)->member)
+
#if defined (__WIN32__)
# include "erl_win_sys.h"
#else