Mercurial > hg > truffle

annotate src/os_cpu/linux_ppc/vm/thread_linux_ppc.hpp @ 14445:67fa91961822

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8029940: PPC64 (part 122): C2 compiler port Reviewed-by: kvn
author goetz
date Wed, 11 Dec 2013 00:06:11 +0100
parents ec28f9c041ff
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14408
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
1 /*
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
5 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
6 * This code is free software; you can redistribute it and/or modify it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
7 * under the terms of the GNU General Public License version 2 only, as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
8 * published by the Free Software Foundation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
9 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
10 * This code is distributed in the hope that it will be useful, but WITHOUT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
13 * version 2 for more details (a copy is included in the LICENSE file that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
14 * accompanied this code).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
15 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
16 * You should have received a copy of the GNU General Public License version
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
17 * 2 along with this work; if not, write to the Free Software Foundation,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
19 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
21 * or visit www.oracle.com if you need additional information or have any
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
22 * questions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
23 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
24 */
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
26 #ifndef OS_CPU_LINUX_PPC_VM_THREAD_LINUX_PPC_HPP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
27 #define OS_CPU_LINUX_PPC_VM_THREAD_LINUX_PPC_HPP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
28
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
29 private:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
30
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
31 void pd_initialize() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
32 _anchor.clear();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
33 _last_interpreter_fp = NULL;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
34 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
35
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
36 // The `last' frame is the youngest Java frame on the thread's stack.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
37 frame pd_last_frame() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
38 assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
39
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
40 intptr_t* sp = last_Java_sp();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
41 address pc = _anchor.last_Java_pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
42
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
43 // Last_Java_pc ist not set, if we come here from compiled code.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
44 if (pc == NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
45 pc = (address) *(sp + 2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
46 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
47
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
48 return frame(sp, pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
49 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
50
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
51 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
52
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
53 void set_base_of_stack_pointer(intptr_t* base_sp) {}
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
54 intptr_t* base_of_stack_pointer() { return NULL; }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
55 void record_base_of_stack_pointer() {}
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
56
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
57 // These routines are only used on cpu architectures that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
58 // have separate register stacks (Itanium).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
59 static bool register_stack_overflow() { return false; }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
60 static void enable_register_stack_guard() {}
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
61 static void disable_register_stack_guard() {}
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
62
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
63 bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
64
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
65 protected:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
66
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
67 // -Xprof support
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
68 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
69 // In order to find the last Java fp from an async profile
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
70 // tick, we store the current interpreter fp in the thread.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
71 // This value is only valid while we are in the C++ interpreter
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
72 // and profiling.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
73 intptr_t *_last_interpreter_fp;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
74
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
75 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
76
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
77 static ByteSize last_interpreter_fp_offset() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
78 return byte_offset_of(JavaThread, _last_interpreter_fp);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
79 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
80
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
81 intptr_t* last_interpreter_fp() { return _last_interpreter_fp; }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
82
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
83 #endif // OS_CPU_LINUX_PPC_VM_THREAD_LINUX_PPC_HPP