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comparison src/os_cpu/solaris_sparc/vm/thread_solaris_sparc.cpp @ 10405:f2110083203d

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8005849: JEP 167: Event-Based JVM Tracing Reviewed-by: acorn, coleenp, sla Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author sla
date Mon, 10 Jun 2013 11:30:51 +0200
parents f34d701e952e
children
comparison
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10404:d0add7016434 10405:f2110083203d
1 /* 1 /*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
34 // 34 //
35 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr, 35 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
36 void* ucontext, bool isInJava) { 36 void* ucontext, bool isInJava) {
37 37
38 assert(Thread::current() == this, "caller must be current thread"); 38 assert(Thread::current() == this, "caller must be current thread");
39 return pd_get_top_frame(fr_addr, ucontext, isInJava, true);
40 }
41
42 bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) {
43 // get ucontext somehow
44 return pd_get_top_frame(fr_addr, ucontext, isInJava, false);
45 }
46
47 bool JavaThread::pd_get_top_frame(frame* fr_addr,
48 void* ucontext, bool isInJava, bool makeWalkable) {
39 assert(this->is_Java_thread(), "must be JavaThread"); 49 assert(this->is_Java_thread(), "must be JavaThread");
40 50
41 JavaThread* jt = (JavaThread *)this; 51 JavaThread* jt = (JavaThread *)this;
42 52
43 if (!isInJava) { 53 if (!isInJava && makeWalkable) {
44 // make_walkable flushes register windows and grabs last_Java_pc 54 // make_walkable flushes register windows and grabs last_Java_pc
45 // which can not be done if the ucontext sp matches last_Java_sp 55 // which can not be done if the ucontext sp matches last_Java_sp
46 // stack walking utilities assume last_Java_pc set if marked flushed 56 // stack walking utilities assume last_Java_pc set if marked flushed
47 jt->frame_anchor()->make_walkable(jt); 57 jt->frame_anchor()->make_walkable(jt);
48 } 58 }