Mercurial > hg > truffle
comparison src/cpu/zero/vm/assembler_zero.hpp @ 1010:354d3184f6b2
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | never |
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date | Tue, 13 Oct 2009 12:04:21 -0700 |
parents | |
children | c18cbe5936b8 |
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1009:03b336640699 | 1010:354d3184f6b2 |
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1 /* | |
2 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. | |
3 * Copyright 2007, 2008, 2009 Red Hat, Inc. | |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
21 * CA 95054 USA or visit www.sun.com if you need additional information or | |
22 * have any questions. | |
23 * | |
24 */ | |
25 | |
26 // In normal, CPU-specific ports of HotSpot these two classes are used | |
27 // for generating assembly language. We don't do any of this in zero, | |
28 // of course, but we do sneak entry points around in CodeBuffers so we | |
29 // generate those here. | |
30 | |
31 class Assembler : public AbstractAssembler { | |
32 public: | |
33 Assembler(CodeBuffer* code) : AbstractAssembler(code) {} | |
34 | |
35 public: | |
36 void pd_patch_instruction(address branch, address target); | |
37 #ifndef PRODUCT | |
38 static void pd_print_patched_instruction(address branch); | |
39 #endif // PRODUCT | |
40 }; | |
41 | |
42 class MacroAssembler : public Assembler { | |
43 public: | |
44 MacroAssembler(CodeBuffer* code) : Assembler(code) {} | |
45 | |
46 public: | |
47 void align(int modulus); | |
48 void bang_stack_with_offset(int offset); | |
49 bool needs_explicit_null_check(intptr_t offset); | |
50 RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr, | |
51 Register tmp, int offset); | |
52 public: | |
53 void advance(int bytes); | |
54 void store_oop(jobject obj); | |
55 }; | |
56 | |
57 #ifdef ASSERT | |
58 inline bool AbstractAssembler::pd_check_instruction_mark() { | |
59 ShouldNotCallThis(); | |
60 } | |
61 #endif | |
62 | |
63 address ShouldNotCallThisStub(); | |
64 address ShouldNotCallThisEntry(); |