1 /*
2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
71 }
72
73 // Is stack walkable
74 inline bool walkable( void) {
75 return _flags & flushed;
76 }
77
78 void make_walkable(JavaThread* thread);
79
80 void set_last_Java_sp(intptr_t* sp) { _last_Java_sp = sp; }
81
82 address last_Java_pc(void) { return _last_Java_pc; }
83
84 // These are only used by friends
85 private:
86
87 intptr_t* last_Java_sp() const {
88 // _last_Java_sp will always be a an unbiased stack pointer
89 // if is is biased then some setter screwed up. This is
90 // deadly.
91 #ifdef _LP64
92 assert(((intptr_t)_last_Java_sp & 0xF) == 0, "Biased last_Java_sp");
93 #endif
94 return _last_Java_sp;
95 }
96
97 void capture_last_Java_pc(intptr_t* sp);
98
99 void set_window_flushed( void) {
100 _flags |= flushed;
101 OrderAccess::fence();
102 }
103
104 #endif // CPU_SPARC_VM_JAVAFRAMEANCHOR_SPARC_HPP
|
1 /*
2 * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
71 }
72
73 // Is stack walkable
74 inline bool walkable( void) {
75 return _flags & flushed;
76 }
77
78 void make_walkable(JavaThread* thread);
79
80 void set_last_Java_sp(intptr_t* sp) { _last_Java_sp = sp; }
81
82 address last_Java_pc(void) { return _last_Java_pc; }
83
84 // These are only used by friends
85 private:
86
87 intptr_t* last_Java_sp() const {
88 // _last_Java_sp will always be a an unbiased stack pointer
89 // if is is biased then some setter screwed up. This is
90 // deadly.
91 assert(((intptr_t)_last_Java_sp & 0xF) == 0, "Biased last_Java_sp");
92 return _last_Java_sp;
93 }
94
95 void capture_last_Java_pc(intptr_t* sp);
96
97 void set_window_flushed( void) {
98 _flags |= flushed;
99 OrderAccess::fence();
100 }
101
102 #endif // CPU_SPARC_VM_JAVAFRAMEANCHOR_SPARC_HPP
|