From 38ddf72b48377bd6b2fb8c4b6981360ae7d44d79 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Mon, 8 Dec 2014 15:38:04 +0100
Subject: erts: Add alloc_SUITE:migration

---
 erts/emulator/beam/erl_alloc.c      | 27 +++++++++++++++++++++++++++
 erts/emulator/beam/erl_alloc_util.c | 10 ++++++++++
 2 files changed, 37 insertions(+)

(limited to 'erts/emulator/beam')

diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 4223b357f1..0aa45acd82 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -3615,6 +3615,33 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3)
 
 	case 0xf15: erts_free(ERTS_ALC_T_TEST, (void*)a1); return 0;
 
+	case 0xf16: {
+            Uint extra_hdr_sz = UNIT_CEILING((Uint)a1);
+	    ErtsAllocatorThrSpec_t* ts = &erts_allctr_thr_spec[ERTS_ALC_A_TEST];
+	    Uint offset = ts->allctr[0]->mbc_header_size;
+	    void* orig_creating_mbc = ts->allctr[0]->creating_mbc;
+	    void* orig_destroying_mbc = ts->allctr[0]->destroying_mbc;
+	    void* new_creating_mbc = *(void**)a2; /* inout arg */
+	    void* new_destroying_mbc = *(void**)a3; /* inout arg */
+	    int i;
+
+	    for (i=0; i < ts->size; i++) {
+		Allctr_t* ap = ts->allctr[i];
+		if (ap->mbc_header_size != offset
+		    || ap->creating_mbc != orig_creating_mbc
+		    || ap->destroying_mbc != orig_destroying_mbc
+		    || ap->mbc_list.first != NULL)
+		    return -1;
+	    }
+	    for (i=0; i < ts->size; i++) {
+		ts->allctr[i]->mbc_header_size += extra_hdr_sz;
+		ts->allctr[i]->creating_mbc = new_creating_mbc;
+		ts->allctr[i]->destroying_mbc = new_destroying_mbc;
+	    }
+	    *(void**)a2 = orig_creating_mbc;
+	    *(void**)a3 = orig_destroying_mbc;
+	    return offset;
+	}
 	default:
 	    break;
 	}
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 173cb091b6..8229a15824 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -6074,6 +6074,16 @@ erts_alcu_test(UWord op, UWord a1, UWord a2)
     case 0x023: return (UWord) 0;
     case 0x024: return (UWord) 0;
 #endif
+    case 0x025: /* UMEM2BLK_TEST*/
+#ifdef DEBUG
+# ifdef HARD_DEBUG
+	return (UWord)UMEM2BLK(a1-3*sizeof(UWord));
+# else
+	return (UWord)UMEM2BLK(a1-2*sizeof(UWord));
+# endif
+#else
+	return (UWord)UMEM2BLK(a1);
+#endif
 
     default:	ASSERT(0); return ~((UWord) 0);
     }
-- 
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