1 /*
2 * Copyright (c) 1997, 2007, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * 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();
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1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_ZERO_VM_ASSEMBLER_ZERO_HPP
27 #define CPU_ZERO_VM_ASSEMBLER_ZERO_HPP
28
29 // In normal, CPU-specific ports of HotSpot these two classes are used
30 // for generating assembly language. We don't do any of this in zero,
31 // of course, but we do sneak entry points around in CodeBuffers so we
32 // generate those here.
33
34 class Assembler : public AbstractAssembler {
35 public:
36 Assembler(CodeBuffer* code) : AbstractAssembler(code) {}
37
38 public:
39 void pd_patch_instruction(address branch, address target);
40 #ifndef PRODUCT
41 static void pd_print_patched_instruction(address branch);
42 #endif // PRODUCT
43 };
44
45 class MacroAssembler : public Assembler {
46 public:
47 MacroAssembler(CodeBuffer* code) : Assembler(code) {}
48
49 public:
50 void align(int modulus);
51 void bang_stack_with_offset(int offset);
52 bool needs_explicit_null_check(intptr_t offset);
53 RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr,
54 Register tmp, int offset);
55 public:
56 void advance(int bytes);
57 void store_oop(jobject obj);
58 };
59
60 #ifdef ASSERT
61 inline bool AbstractAssembler::pd_check_instruction_mark() {
62 ShouldNotCallThis();
63 }
64 #endif
65
66 address ShouldNotCallThisStub();
67 address ShouldNotCallThisEntry();
68
69 #endif // CPU_ZERO_VM_ASSEMBLER_ZERO_HPP
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