1 /*
2 * Copyright (c) 1998, 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 *
76 public:
77
78 intptr_t* base_of_stack_pointer() { return _base_of_stack_pointer; }
79
80 void set_base_of_stack_pointer(intptr_t* base_sp) {
81 _base_of_stack_pointer = base_sp;
82 }
83
84 void record_base_of_stack_pointer() {
85 intptr_t *sp = (intptr_t *)(((intptr_t)StubRoutines::Sparc::flush_callers_register_windows_func()()));
86 intptr_t *ysp;
87 while((ysp = (intptr_t*)sp[FP->sp_offset_in_saved_window()]) != NULL) {
88 sp = (intptr_t *)((intptr_t)ysp + STACK_BIAS);
89 }
90 _base_of_stack_pointer = sp;
91 }
92
93 bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
94 bool isInJava);
95
96 // These routines are only used on cpu architectures that
97 // have separate register stacks (Itanium).
98 static bool register_stack_overflow() { return false; }
99 static void enable_register_stack_guard() {}
100 static void disable_register_stack_guard() {}
101
102 #endif // OS_CPU_SOLARIS_SPARC_VM_THREAD_SOLARIS_SPARC_HPP
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1 /*
2 * Copyright (c) 1998, 2013, 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 *
76 public:
77
78 intptr_t* base_of_stack_pointer() { return _base_of_stack_pointer; }
79
80 void set_base_of_stack_pointer(intptr_t* base_sp) {
81 _base_of_stack_pointer = base_sp;
82 }
83
84 void record_base_of_stack_pointer() {
85 intptr_t *sp = (intptr_t *)(((intptr_t)StubRoutines::Sparc::flush_callers_register_windows_func()()));
86 intptr_t *ysp;
87 while((ysp = (intptr_t*)sp[FP->sp_offset_in_saved_window()]) != NULL) {
88 sp = (intptr_t *)((intptr_t)ysp + STACK_BIAS);
89 }
90 _base_of_stack_pointer = sp;
91 }
92
93 bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
94 bool isInJava);
95
96 bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava);
97 private:
98 bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava, bool makeWalkable);
99 public:
100
101 // These routines are only used on cpu architectures that
102 // have separate register stacks (Itanium).
103 static bool register_stack_overflow() { return false; }
104 static void enable_register_stack_guard() {}
105 static void disable_register_stack_guard() {}
106
107 #endif // OS_CPU_SOLARIS_SPARC_VM_THREAD_SOLARIS_SPARC_HPP
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