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Diffstat (limited to 'erts/emulator/beam/beam_emu.c')
-rw-r--r--erts/emulator/beam/beam_emu.c110
1 files changed, 72 insertions, 38 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 757b69787a..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;
@@ -1960,6 +1958,8 @@ void process_main(void)
ErtsMessage* msgp;
PROCESS_MAIN_CHK_LOCKS(c_p);
+ ERTS_CHK_MBUF_SZ(c_p);
+
PreFetch(0, next);
msgp = PEEK_MESSAGE(c_p);
@@ -2047,6 +2047,7 @@ void process_main(void)
}
ERTS_DBG_CHK_REDS(c_p, FCALLS);
+ ERTS_CHK_MBUF_SZ(c_p);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2161,7 +2162,10 @@ void process_main(void)
c_p->i = (BeamInstr *) Arg(0); /* L1 */
SWAPOUT;
c_p->arity = 0;
- erts_smp_atomic32_read_band_relb(&c_p->state, ~ERTS_PSFLG_ACTIVE);
+
+ if (!ERTS_PTMR_IS_TIMED_OUT(c_p))
+ erts_smp_atomic32_read_band_relb(&c_p->state,
+ ~ERTS_PSFLG_ACTIVE);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
erts_smp_proc_unlock(c_p, ERTS_PROC_LOCKS_MSG_RECEIVE);
c_p->current = NULL;
@@ -2580,7 +2584,9 @@ do { \
c_p->fcalls = FCALLS;
PROCESS_MAIN_CHK_LOCKS(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, tmp_reg);
+ ERTS_CHK_MBUF_SZ(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2611,7 +2617,9 @@ do { \
c_p->fcalls = FCALLS;
PROCESS_MAIN_CHK_LOCKS(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, tmp_reg);
+ ERTS_CHK_MBUF_SZ(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2641,7 +2649,9 @@ do { \
SWAPOUT;
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, reg, live);
+ ERTS_CHK_MBUF_SZ(c_p);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2682,7 +2692,9 @@ do { \
SWAPOUT;
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, reg, live);
+ ERTS_CHK_MBUF_SZ(c_p);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2725,7 +2737,9 @@ do { \
SWAPOUT;
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, reg, live);
+ ERTS_CHK_MBUF_SZ(c_p);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2763,7 +2777,9 @@ do { \
c_p->fcalls = FCALLS;
PROCESS_MAIN_CHK_LOCKS(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, tmp_reg);
+ ERTS_CHK_MBUF_SZ(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2790,7 +2806,9 @@ do { \
bf = (BifFunction) Arg(0);
PROCESS_MAIN_CHK_LOCKS(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, tmp_reg);
+ ERTS_CHK_MBUF_SZ(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -2840,7 +2858,9 @@ do { \
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
live_hf_end = c_p->mbuf;
+ ERTS_CHK_MBUF_SZ(c_p);
result = (*bf)(c_p, reg, I);
+ ERTS_CHK_MBUF_SZ(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_HOLE_CHECK(c_p);
@@ -3553,11 +3573,13 @@ do { \
ASSERT(c_p->scheduler_data);
#endif
live_hf_end = c_p->mbuf;
+ ERTS_CHK_MBUF_SZ(c_p);
erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2], NULL);
nif_bif_result = (*fp)(&env, bif_nif_arity, reg);
if (env.exception_thrown)
nif_bif_result = THE_NON_VALUE;
erts_post_nif(&env);
+ ERTS_CHK_MBUF_SZ(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
@@ -3609,7 +3631,9 @@ do { \
Eterm (*bf)(Process*, Eterm*, BeamInstr*) = vbf;
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
live_hf_end = c_p->mbuf;
+ ERTS_CHK_MBUF_SZ(c_p);
nif_bif_result = (*bf)(c_p, reg, I);
+ ERTS_CHK_MBUF_SZ(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) ||
is_non_value(nif_bif_result));
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
@@ -5249,19 +5273,14 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
else {
/*
* Dirty CPU scheduler:
- * Currently two reductions consumed per
- * micro second spent in the dirty NIF.
+ * Reductions based on time consumed by
+ * the dirty NIF.
*/
- ErtsMonotonicTime time;
- time = erts_get_monotonic_time(esdp);
- time -= start_time;
- time = ERTS_MONOTONIC_TO_USEC(time);
- time *= (CONTEXT_REDS-1)/1000 + 1;
- ASSERT(time >= 0);
- if (time == 0)
- time = 1; /* At least one reduction */
- time += esdp->virtual_reds;
- reds_used = time > INT_MAX ? INT_MAX : (int) time;
+ Sint64 treds;
+ treds = erts_time2reds(start_time,
+ erts_get_monotonic_time(esdp));
+ treds += esdp->virtual_reds;
+ reds_used = treds > INT_MAX ? INT_MAX : (int) treds;
}
PROCESS_MAIN_CHK_LOCKS(c_p);
@@ -5379,7 +5398,7 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
ASSERT(!c_p->scheduler_data);
erts_pre_dirty_nif(esdp, &env, c_p,
- (struct erl_module_nif*)I[2], NULL);
+ (struct erl_module_nif*)I[2]);
#ifdef DEBUG
result =
@@ -5388,7 +5407,7 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
#endif
(*fp)(&env, arity, reg);
- erts_post_nif(&env);
+ erts_post_dirty_nif(&env);
ASSERT(!is_value(result));
ASSERT(c_p->freason == TRAP);
@@ -6506,34 +6525,49 @@ call_fun(Process* p, /* Current process. */
* representation (the module has never been loaded),
* or the module defining the fun has been unloaded.
*/
+
module = fe->module;
- if ((modp = erts_get_module(module, code_ix)) != NULL
- && modp->curr.code_hdr != NULL) {
+
+ ERTS_SMP_READ_MEMORY_BARRIER;
+ if (fe->pend_purge_address) {
/*
- * There is a module loaded, but obviously the fun is not
- * defined in it. We must not call the error_handler
- * (or we will get into an infinite loop).
+ * The system is currently trying to purge the
+ * module containing this fun. Suspend the process
+ * and let it try again when the purge operation is
+ * done (may succeed or not).
*/
- goto badfun;
+ ep = erts_suspend_process_on_pending_purge_lambda(p);
+ ASSERT(ep);
}
+ else {
+ if ((modp = erts_get_module(module, code_ix)) != NULL
+ && modp->curr.code_hdr != NULL) {
+ /*
+ * There is a module loaded, but obviously the fun is not
+ * defined in it. We must not call the error_handler
+ * (or we will get into an infinite loop).
+ */
+ goto badfun;
+ }
- /*
- * No current code for this module. Call the error_handler module
- * to attempt loading the module.
- */
+ /*
+ * No current code for this module. Call the error_handler module
+ * to attempt loading the module.
+ */
- ep = erts_find_function(erts_proc_get_error_handler(p),
- am_undefined_lambda, 3, code_ix);
- if (ep == NULL) { /* No error handler */
- p->current = NULL;
- p->freason = EXC_UNDEF;
- return NULL;
+ ep = erts_find_function(erts_proc_get_error_handler(p),
+ am_undefined_lambda, 3, code_ix);
+ if (ep == NULL) { /* No error handler */
+ p->current = NULL;
+ p->freason = EXC_UNDEF;
+ return NULL;
+ }
}
reg[0] = module;
reg[1] = fun;
reg[2] = args;
reg[3] = NIL;
- return ep->addressv[erts_active_code_ix()];
+ return ep->addressv[code_ix];
}
}
} else if (is_export_header(hdr)) {