diff -r 735503e448a0 -r 050939c6181e jitcraft/BytecodeEmitter.cpp
--- a/jitcraft/BytecodeEmitter.cpp	Tue Jul 03 13:53:34 2012 -0400
+++ b/jitcraft/BytecodeEmitter.cpp	Wed Jul 04 19:39:00 2012 -0400
@@ -1,4 +1,5 @@
-/*
+/* vim: set ts=4 sw=4 tw=99 et:
+ *
  * Copyright (C) 2012 David Anderson
  *
  * This file is part of JITCraft.
@@ -22,13 +23,13 @@
 
 using namespace jc;
 
-BytecodeEmitter::BytecodeEmitter()
-  : buffer_(inline_buffer_),
+BytecodeEmitter::BytecodeEmitter(PoolAllocator &pool)
+  : pool_(pool),
+    buffer_(inline_buffer_),
     buffer_pos_(buffer_),
     buffer_end_(buffer_pos_ + ARRAY_LENGTH(inline_buffer_)),
     oom_(false),
-    maxStackDepth_(0),
-    stackDepth_(0)
+    maxStackDepth_(0)
 {
 }
 
@@ -67,3 +68,27 @@
     return true;
 }
 
+void
+BytecodeEmitter::recordOops()
+{
+    OopRecord *record = new (pool_) OopRecord(oopMap_.size(), position());
+
+    record->slots = (bool *)pool_.allocate(record->depth);
+    if (!record->slots) {
+        oom_ = true;
+        return;
+    }
+
+    bool hadOops = false;
+    for (size_t i = 0; i < oopMap_.size(); i++) {
+        bool bit = oopMap_[i];
+        record->slots[i] = bit;
+        hadOops |= bit;
+    }
+
+    if (!hadOops)
+        return;
+
+    oopRecords_.push_back(record);
+}
+