1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 * vim: set ts=4 sw=4 et tw=99:
4 * ***** BEGIN LICENSE BLOCK *****
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
7 * The contents of this file are subject to the Mozilla Public License Version
8 * 1.1 (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
10 * http://www.mozilla.org/MPL/
12 * Software distributed under the License is distributed on an "AS IS" basis,
13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 * for the specific language governing rights and limitations under the
17 * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
20 * The Initial Developer of the Original Code is
21 * Brendan Eich <brendan@mozilla.org>
24 * David Mandelin <dmandelin@mozilla.com>
25 * David Anderson <danderson@mozilla.com>
26 * Chris Leary <cdleary@mozilla.com>
27 * Jacob Bramley <Jacob.Bramely@arm.com>
29 * Alternatively, the contents of this file may be used under the terms of
30 * either of the GNU General Public License Version 2 or later (the "GPL"),
31 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
32 * in which case the provisions of the GPL or the LGPL are applicable instead
33 * of those above. If you wish to allow use of your version of this file only
34 * under the terms of either the GPL or the LGPL, and not to allow others to
35 * use your version of this file under the terms of the MPL, indicate your
36 * decision by deleting the provisions above and replace them with the notice
37 * and other provisions required by the GPL or the LGPL. If you do not delete
38 * the provisions above, a recipient may use your version of this file under
39 * the terms of any one of the MPL, the GPL or the LGPL.
41 * ***** END LICENSE BLOCK ***** */
43 #if !defined jsjaeger_icchecker_h__ && defined JS_METHODJIT
44 #define jsjaeger_icchecker_h__
46 #include "assembler/assembler/MacroAssembler.h"
51 #if defined DEBUG && defined JS_CPU_ARM
53 CheckInstMask(void *addr, uint32 mask, uint32 expected)
55 uint32 inst = *static_cast<uint32 *>(addr);
56 JS_ASSERT((inst & mask) == expected);
60 CheckIsLDR(JSC::CodeLocationLabel label, uint8 rd)
62 JS_ASSERT((rd & 0xf) == rd);
63 CheckInstMask(label.executableAddress(), 0xfc50f000, 0xe4100000 | (rd << 12));
67 CheckIsBLX(JSC::CodeLocationLabel label, uint8 rsrc)
69 JS_ASSERT((rsrc & 0xf) == rsrc);
70 CheckInstMask(label.executableAddress(), 0xfff000ff, 0xe1200030 | rsrc);
74 CheckIsStubCall(JSC::CodeLocationLabel label)
76 CheckIsLDR(label.labelAtOffset(-4), JSC::ARMRegisters::ip);
77 CheckIsLDR(label.labelAtOffset(0), JSC::ARMRegisters::r8);
78 CheckIsBLX(label.labelAtOffset(4), JSC::ARMRegisters::r8);
81 static inline void CheckIsStubCall(JSC::CodeLocationLabel label) {}
84 } /* namespace mjit */