1 files changed, 33 insertions, 50 deletions

diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index a390422040..72526bca5e 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1,7 +1,7 @@
 /*
  * %CopyrightBegin%
  *
- * Copyright Ericsson AB 1996-2014. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2016. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -702,6 +702,17 @@ void** beam_ops;
     dst[1] = E2;					\
   } while (0)
 
+#define GetTupleElement2Y(Src, Element, D1, D2)		\
+  do {							\
+    Eterm* src;						\
+    Eterm E1, E2;					\
+    src = ADD_BYTE_OFFSET(tuple_val(Src), (Element));	\
+    E1 = src[0];					\
+    E2 = src[1];					\
+    D1 = E1;						\
+    D2 = E2;						\
+  } while (0)
+
 #define GetTupleElement3(Src, Element, Dest)		\
   do {							\
     Eterm* src;						\
@@ -3346,7 +3357,7 @@ do {						\
  OpCase(normal_exit): {
      SWAPOUT;
      c_p->freason = EXC_NORMAL;
-     c_p->arity = 0;		/* In case this process will ever be garbed again. */
+     c_p->arity = 0;		/* In case this process will never be garbed again. */
      ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
      erts_do_exit_process(c_p, am_normal);
      ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
@@ -3360,48 +3371,18 @@ do {						\
      goto do_schedule;
  }
 
- OpCase(raise_ss): {
-     /* This was not done very well in R10-0; then, we passed the tag in
-	the first argument and hoped that the existing c_p->ftrace was
-	still correct. But the ftrace-object already includes the tag
-	(or rather, the freason). Now, we pass the original ftrace in
-	the first argument. We also handle atom tags in the first
-	argument for backwards compatibility.
-     */
-     Eterm raise_val1;
-     Eterm raise_val2;
-     GetArg2(0, raise_val1, raise_val2);
-     c_p->fvalue = raise_val2;
-     if (c_p->freason == EXC_NULL) {
-       /* a safety check for the R10-0 case; should not happen */
-       c_p->ftrace = NIL;
-       c_p->freason = EXC_ERROR;
-     }
-     /* for R10-0 code, keep existing c_p->ftrace and hope it's correct */
-     switch (raise_val1) {
-     case am_throw:
-       c_p->freason = EXC_THROWN & ~EXF_SAVETRACE;
-       break;
-     case am_error:
-       c_p->freason = EXC_ERROR & ~EXF_SAVETRACE;
-       break;
-     case am_exit:
-       c_p->freason = EXC_EXIT & ~EXF_SAVETRACE;
-       break;
-     default:
-       {/* R10-1 and later
-	   XXX note: should do sanity check on given trace if it can be
-	   passed from a user! Currently only expecting generated calls.
-	*/
-	 struct StackTrace *s;
-	 c_p->ftrace = raise_val1;
-	 s = get_trace_from_exc(raise_val1);
-	 if (s == NULL) {
-	   c_p->freason = EXC_ERROR;
-	 } else {
-	   c_p->freason = PRIMARY_EXCEPTION(s->freason);
-	 }
-       }
+ OpCase(i_raise): {
+     Eterm raise_trace = x(2);
+     Eterm raise_value = x(1);
+     struct StackTrace *s;
+
+     c_p->fvalue = raise_value;
+     c_p->ftrace = raise_trace;
+     s = get_trace_from_exc(raise_trace);
+     if (s == NULL) {
+	 c_p->freason = EXC_ERROR;
+     } else {
+	 c_p->freason = PRIMARY_EXCEPTION(s->freason);
      }
      goto find_func_info;
  }
@@ -3490,7 +3471,7 @@ do {						\
 		typedef Eterm NifF(struct enif_environment_t*, int argc, Eterm argv[]);
 		NifF* fp = vbf = (NifF*) I[1];
 		struct enif_environment_t env;
-		erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2]);
+		erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2], NULL);
 		live_hf_end = c_p->mbuf;
 		nif_bif_result = (*fp)(&env, bif_nif_arity, reg);
 		if (env.exception_thrown)
@@ -4102,7 +4083,7 @@ do {						\
      StoreBifResult(1, result);
  }
 
- OpCase(i_bs_put_utf16_jIs): {
+ OpCase(bs_put_utf16_jIs): {
      Eterm arg;
 
      GetArg1(2, arg);
@@ -4618,7 +4599,7 @@ do {						\
      
      SWAPOUT;		/* Needed for shared heap */
      ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
-     erts_trace_return(c_p, code, r(0), E+1/*Process tracer*/);
+     erts_trace_return(c_p, code, r(0), ERTS_TRACER_FROM_ETERM(E+1)/* tracer */);
      ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
      SWAPIN;
      c_p->cp = NULL;
@@ -5258,7 +5239,8 @@ next_catch(Process* c_p, Eterm *reg) {
 	BeamInstr *cpp = c_p->cp;
 	if (cpp == beam_exception_trace) {
 	    erts_trace_exception(c_p, cp_val(ptr[0]),
-				 reg[1], reg[2], ptr+1);
+				 reg[1], reg[2],
+                                 ERTS_TRACER_FROM_ETERM(ptr+1));
 	    /* Skip return_trace parameters */
 	    ptr += 2;
 	} else if (cpp == beam_return_trace) {
@@ -5285,7 +5267,8 @@ next_catch(Process* c_p, Eterm *reg) {
 		}
 		if (cp_val(*prev) == beam_exception_trace) {
 		    erts_trace_exception(c_p, cp_val(ptr[0]),
-					 reg[1], reg[2], ptr+1);
+					 reg[1], reg[2],
+                                         ERTS_TRACER_FROM_ETERM(ptr+1));
 		}
 		/* Skip return_trace parameters */
 		ptr += 2;
@@ -6079,7 +6062,7 @@ erts_hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* re
 	    return -1;
 	}
 #else /* ERTS_SMP */
-	ERTS_SMP_MSGQ_MV_INQ2PRIVQ(c_p);
+        ERTS_SMP_MSGQ_MV_INQ2PRIVQ(c_p);
 	if (!c_p->msg.len)
 #endif
 	    erts_smp_atomic32_read_band_relb(&c_p->state, ~ERTS_PSFLG_ACTIVE);