Add guard BIFs binary_part/2,3

Add the gc_bif's to the VM.
Add infrastructure for gc_bif's (guard bifs that can gc) with two and.
three arguments in VM (loader and VM).
Add compiler support for gc_bif with three arguments.
Add compiler (and interpreter) support for new guard BIFs.
Add testcases for new guard BIFs in compiler and emulator.

1 files changed, 37 insertions, 0 deletions

diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c
index 440b0b4f14..01e6977a2c 100644
--- a/erts/emulator/beam/erl_bif_guard.c
+++ b/erts/emulator/beam/erl_bif_guard.c
@@ -314,6 +314,30 @@ double_to_integer(Process* p, double x)
     return res;
 }
 
+/********************************************************************************
+ * binary_part guards. The actual implementation is in erl_bif_binary.c
+ ********************************************************************************/
+BIF_RETTYPE binary_part_3(BIF_ALIST_3)
+{
+    return erts_binary_part(BIF_P,BIF_ARG_1,BIF_ARG_2, BIF_ARG_3);
+}
+
+BIF_RETTYPE binary_part_2(BIF_ALIST_2)
+{
+    Eterm *tp;
+    if (is_not_tuple(BIF_ARG_2)) {
+	goto badarg;
+    }
+    tp = tuple_val(BIF_ARG_2);
+    if (arityval(*tp) != 2) {
+	goto badarg;
+    }
+    return erts_binary_part(BIF_P,BIF_ARG_1,tp[1], tp[2]);
+ badarg:
+   BIF_ERROR(BIF_P,BADARG);
+}
+
+
 /*
  * The following code is used when a guard that may build on the
  * heap is called directly. They must not use HAlloc(), but must
@@ -630,3 +654,16 @@ gc_double_to_integer(Process* p, double x, Eterm* reg, Uint live)
     }
     return res;
 }
+
+/********************************************************************************
+ * binary_part guards. The actual implementation is in erl_bif_binary.c
+ ********************************************************************************/
+Eterm erts_gc_binary_part_3(Process* p, Eterm* reg, Uint live)
+{
+    return erts_gc_binary_part(p,reg,live,0);
+}
+
+Eterm erts_gc_binary_part_2(Process* p, Eterm* reg, Uint live)
+{
+    return erts_gc_binary_part(p,reg,live,1);
+}