--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/x86/vm/c1_MacroAssembler_x86.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,114 @@
+/*
+ * Copyright 1999-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// C1_MacroAssembler contains high-level macros for C1
+
+ private:
+  int _rsp_offset;    // track rsp changes
+  // initialization
+  void pd_init() { _rsp_offset = 0; }
+
+ public:
+  void try_allocate(
+    Register obj,                      // result: pointer to object after successful allocation
+    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
+    int      con_size_in_bytes,        // object size in bytes if   known at compile time
+    Register t1,                       // temp register
+    Register t2,                       // temp register
+    Label&   slow_case                 // continuation point if fast allocation fails
+  );
+
+  void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
+  void initialize_body(Register obj, Register len_in_bytes, int hdr_size_in_bytes, Register t1);
+
+  // locking
+  // hdr     : must be rax, contents destroyed
+  // obj     : must point to the object to lock, contents preserved
+  // disp_hdr: must point to the displaced header location, contents preserved
+  // scratch : scratch register, contents destroyed
+  // returns code offset at which to add null check debug information
+  int lock_object  (Register swap, Register obj, Register disp_hdr, Register scratch, Label& slow_case);
+
+  // unlocking
+  // hdr     : contents destroyed
+  // obj     : must point to the object to lock, contents preserved
+  // disp_hdr: must be eax & must point to the displaced header location, contents destroyed
+  void unlock_object(Register swap, Register obj, Register lock, Label& slow_case);
+
+  void initialize_object(
+    Register obj,                      // result: pointer to object after successful allocation
+    Register klass,                    // object klass
+    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
+    int      con_size_in_bytes,        // object size in bytes if   known at compile time
+    Register t1,                       // temp register
+    Register t2                        // temp register
+  );
+
+  // allocation of fixed-size objects
+  // (can also be used to allocate fixed-size arrays, by setting
+  // hdr_size correctly and storing the array length afterwards)
+  // obj        : must be rax, will contain pointer to allocated object
+  // t1, t2     : scratch registers - contents destroyed
+  // header_size: size of object header in words
+  // object_size: total size of object in words
+  // slow_case  : exit to slow case implementation if fast allocation fails
+  void allocate_object(Register obj, Register t1, Register t2, int header_size, int object_size, Register klass, Label& slow_case);
+
+  enum {
+    max_array_allocation_length = 0x00FFFFFF
+  };
+
+  // allocation of arrays
+  // obj        : must be rax, will contain pointer to allocated object
+  // len        : array length in number of elements
+  // t          : scratch register - contents destroyed
+  // header_size: size of object header in words
+  // f          : element scale factor
+  // slow_case  : exit to slow case implementation if fast allocation fails
+  void allocate_array(Register obj, Register len, Register t, Register t2, int header_size, Address::ScaleFactor f, Register klass, Label& slow_case);
+
+  int  rsp_offset() const { return _rsp_offset; }
+  void set_rsp_offset(int n) { _rsp_offset = n; }
+
+  // Note: NEVER push values directly, but only through following push_xxx functions;
+  //       This helps us to track the rsp changes compared to the entry rsp (->_rsp_offset)
+
+  void push_jint (jint i)     { _rsp_offset++; pushl(i); }
+  void push_oop  (jobject o)  { _rsp_offset++; pushoop(o); }
+  void push_addr (Address a)  { _rsp_offset++; pushl(a); }
+  void push_reg  (Register r) { _rsp_offset++; pushl(r); }
+  void pop       (Register r) { _rsp_offset--; popl (r); assert(_rsp_offset >= 0, "stack offset underflow"); }
+
+  void dec_stack (int nof_words) {
+    _rsp_offset -= nof_words;
+    assert(_rsp_offset >= 0, "stack offset underflow");
+    addl(rsp, wordSize * nof_words);
+  }
+
+  void dec_stack_after_call (int nof_words) {
+    _rsp_offset -= nof_words;
+    assert(_rsp_offset >= 0, "stack offset underflow");
+  }
+
+  void invalidate_registers(bool inv_rax, bool inv_rbx, bool inv_rcx, bool inv_rdx, bool inv_rsi, bool inv_rdi) PRODUCT_RETURN;