9 files changed, 34 insertions, 1 deletions
diff --git a/erts/emulator/hipe/hipe_bif2.c b/erts/emulator/hipe/hipe_bif2.c
index ee97541e15..4d42efc1cc 100644
--- a/erts/emulator/hipe/hipe_bif2.c
+++ b/erts/emulator/hipe/hipe_bif2.c
@@ -189,3 +189,10 @@ BIF_RETTYPE hipe_debug_bif_wrapper(BIF_ALIST_1)
 
 #endif /* ERTS_ENABLE_LOCK_CHECK && ERTS_SMP */
 
+
+BIF_RETTYPE hipe_bifs_debug_native_called_2(BIF_ALIST_2)
+{
+    erts_printf("hipe_debug_native_called: %T(%T)\r\n", BIF_ARG_1, BIF_ARG_2);
+    BIF_RET(am_ok);
+}
+
diff --git a/erts/emulator/hipe/hipe_bif2.tab b/erts/emulator/hipe/hipe_bif2.tab
index 51323ce7af..d43ee40c5d 100644
--- a/erts/emulator/hipe/hipe_bif2.tab
+++ b/erts/emulator/hipe/hipe_bif2.tab
@@ -30,3 +30,4 @@ bif hipe_bifs:in_native/0
 bif hipe_bifs:modeswitch_debug_on/0
 bif hipe_bifs:modeswitch_debug_off/0
 bif hipe_bifs:show_message_area/0
+bif hipe_bifs:debug_native_called/2
diff --git a/erts/emulator/hipe/hipe_bif_list.m4 b/erts/emulator/hipe/hipe_bif_list.m4
index 942fa0c5cb..d9aa09b79e 100644
--- a/erts/emulator/hipe/hipe_bif_list.m4
+++ b/erts/emulator/hipe/hipe_bif_list.m4
@@ -165,6 +165,7 @@ gc_bif_interface_2(nbif_put_2, put_2)
 gc_bif_interface_1(nbif_hipe_bifs_show_nstack_1, hipe_show_nstack_1)
 gc_bif_interface_1(nbif_hipe_bifs_show_pcb_1, hipe_bifs_show_pcb_1)
 gc_bif_interface_0(nbif_hipe_bifs_nstack_used_size_0, hipe_bifs_nstack_used_size_0)
+gc_bif_interface_2(nbif_hipe_bifs_debug_native_called, hipe_bifs_debug_native_called_2)
 
 /*
  * Arithmetic operators called indirectly by the HiPE compiler.
diff --git a/erts/emulator/hipe/hipe_native_bif.h b/erts/emulator/hipe/hipe_native_bif.h
index 9e3a156fbc..3f460a5a5c 100644
--- a/erts/emulator/hipe/hipe_native_bif.h
+++ b/erts/emulator/hipe/hipe_native_bif.h
@@ -110,6 +110,9 @@ int hipe_bs_put_big_integer(Eterm, Uint, byte*, unsigned, unsigned);
 AEXTERN(Eterm,nbif_check_get_msg,(Process*));
 Eterm hipe_check_get_msg(Process*);
 
+AEXTERN(BIF_RETTYPE,nbif_hipe_bifs_debug_native_called,(Process*,Eterm,Eterm));
+BIF_RETTYPE hipe_bifs_debug_native_called_2(BIF_ALIST_2);
+
 /*
  * SMP-specific stuff
  */
diff --git a/erts/emulator/hipe/hipe_primops.h b/erts/emulator/hipe/hipe_primops.h
index 38509c105b..52b4681cfe 100644
--- a/erts/emulator/hipe/hipe_primops.h
+++ b/erts/emulator/hipe/hipe_primops.h
@@ -80,6 +80,7 @@ PRIMOP_LIST(am_fclearerror_error, &nbif_fclearerror_error)
 #ifdef NO_FPE_SIGNALS
 PRIMOP_LIST(am_emulate_fpe, &nbif_emulate_fpe)
 #endif
+PRIMOP_LIST(am_debug_native_called, &nbif_hipe_bifs_debug_native_called)
 
 #if defined(__sparc__)
 #include "hipe_sparc_primops.h"
diff --git a/erts/emulator/hipe/hipe_stack.c b/erts/emulator/hipe/hipe_stack.c
index da462a64e1..53c316ba52 100644
--- a/erts/emulator/hipe/hipe_stack.c
+++ b/erts/emulator/hipe/hipe_stack.c
@@ -130,7 +130,7 @@ struct sdesc *hipe_decode_sdesc(Eterm arg)
     struct sdesc *sdesc;
 
     if (is_not_tuple(arg) ||
-	(tuple_val(arg))[0] != make_arityval(5) ||
+	(tuple_val(arg))[0] != make_arityval(6) ||
 	term_to_Uint((tuple_val(arg))[1], &ra) == 0 ||
 	term_to_Uint((tuple_val(arg))[2], &exnra) == 0 ||
 	is_not_small((tuple_val(arg))[3]) ||
@@ -183,5 +183,13 @@ struct sdesc *hipe_decode_sdesc(Eterm arg)
 	off = unsigned_val(live[i]);
 	sdesc->livebits[off / 32] |= (1 << (off & 31));
     }
+#ifdef DEBUG
+    {
+	Eterm mfa_tpl = tuple_val(arg)[6];	
+	sdesc->dbg_M = tuple_val(mfa_tpl)[1];
+	sdesc->dbg_F = tuple_val(mfa_tpl)[2];
+	sdesc->dbg_A = tuple_val(mfa_tpl)[3];
+    }
+#endif
     return sdesc;
 }
diff --git a/erts/emulator/hipe/hipe_stack.h b/erts/emulator/hipe/hipe_stack.h
index 4c14b4a519..f2dab4fbcf 100644
--- a/erts/emulator/hipe/hipe_stack.h
+++ b/erts/emulator/hipe/hipe_stack.h
@@ -35,6 +35,10 @@ struct sdesc {
 	struct sdesc *next;	/* hash collision chain */
     } bucket;
     unsigned int summary; /* frame size, exn handler presence flag, arity */
+#ifdef DEBUG
+    Eterm dbg_M, dbg_F;
+    unsigned dbg_A;
+#endif
     unsigned int livebits[1]; /* size depends on arch & data in summary field */
 };
 
diff --git a/erts/emulator/hipe/hipe_x86_gc.h b/erts/emulator/hipe/hipe_x86_gc.h
index e4607ad27d..aa4abb6f59 100644
--- a/erts/emulator/hipe/hipe_x86_gc.h
+++ b/erts/emulator/hipe/hipe_x86_gc.h
@@ -69,6 +69,11 @@ nstack_walk_init_sdesc(const Process *p, struct nstack_walk_state *state)
 	nstkarity = 0;
     state->sdesc0[0].summary = (0 << 9) | (0 << 8) | nstkarity;
     state->sdesc0[0].livebits[0] = 0;
+# ifdef DEBUG
+    state->sdesc0[0].dbg_M = 0;
+    state->sdesc0[0].dbg_F = am_init;
+    state->sdesc0[0].dbg_A = 0;
+# endif
     /* XXX: this appears to prevent a gcc-4.1.1 bug on x86 */
     __asm__ __volatile__("" : : "m"(*state) : "memory");
     return &state->sdesc0[0];
diff --git a/erts/emulator/hipe/hipe_x86_glue.h b/erts/emulator/hipe/hipe_x86_glue.h
index b0db93267c..63ad250d60 100644
--- a/erts/emulator/hipe/hipe_x86_glue.h
+++ b/erts/emulator/hipe/hipe_x86_glue.h
@@ -62,6 +62,9 @@ static __inline__ void hipe_arch_glue_init(void)
 	.sdesc = {
 	    .bucket = { .hvalue = (unsigned long)nbif_return },
 	    .summary = (1<<8),
+	#ifdef DEBUG
+	    .dbg_F = am_return,
+	#endif
 	},
     };
     hipe_init_sdesc_table(&nbif_return_sdesc.sdesc);