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annotate src/share/vm/prims/forte.cpp @ 23961:0cdf9eb633c4

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8159515: Improve indy validation Reviewed-by: jrose, hseigel, vlivanov, bmoloden, ctornqvi, mschoene
author coleenp
date Wed, 29 Jun 2016 11:52:27 -0400
parents e8260b6328fb
children dd9cc155639c
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1 /*
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "code/debugInfoRec.hpp"
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27 #include "code/pcDesc.hpp"
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28 #include "gc_interface/collectedHeap.inline.hpp"
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29 #include "memory/space.hpp"
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30 #include "memory/universe.inline.hpp"
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31 #include "oops/oop.inline.hpp"
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32 #include "oops/oop.inline2.hpp"
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33 #include "prims/forte.hpp"
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34 #include "runtime/javaCalls.hpp"
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35 #include "runtime/thread.inline.hpp"
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36 #include "runtime/vframe.hpp"
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37 #include "runtime/vframeArray.hpp"
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39 // call frame copied from old .h file and renamed
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40 typedef struct {
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41 jint lineno; // line number in the source file
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42 jmethodID method_id; // method executed in this frame
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43 } ASGCT_CallFrame;
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44
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45 // call trace copied from old .h file and renamed
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46 typedef struct {
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47 JNIEnv *env_id; // Env where trace was recorded
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48 jint num_frames; // number of frames in this trace
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49 ASGCT_CallFrame *frames; // frames
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50 } ASGCT_CallTrace;
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51
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52 // These name match the names reported by the forte quality kit
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53 enum {
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54 ticks_no_Java_frame = 0,
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55 ticks_no_class_load = -1,
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56 ticks_GC_active = -2,
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57 ticks_unknown_not_Java = -3,
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58 ticks_not_walkable_not_Java = -4,
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59 ticks_unknown_Java = -5,
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60 ticks_not_walkable_Java = -6,
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61 ticks_unknown_state = -7,
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62 ticks_thread_exit = -8,
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63 ticks_deopt = -9,
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64 ticks_safepoint = -10
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65 };
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67 #if INCLUDE_JVMTI
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68
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69 //-------------------------------------------------------
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70
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71 // Native interfaces for use by Forte tools.
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72
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73
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74 #if !defined(IA64) && !defined(PPC64)
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75
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76 class vframeStreamForte : public vframeStreamCommon {
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77 public:
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78 // constructor that starts with sender of frame fr (top_frame)
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79 vframeStreamForte(JavaThread *jt, frame fr, bool stop_at_java_call_stub);
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80 void forte_next();
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81 };
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82
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83
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84 static bool is_decipherable_compiled_frame(JavaThread* thread, frame* fr, nmethod* nm);
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85 static bool is_decipherable_interpreted_frame(JavaThread* thread,
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86 frame* fr,
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87 Method** method_p,
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88 int* bci_p);
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91
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92
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93 vframeStreamForte::vframeStreamForte(JavaThread *jt,
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94 frame fr,
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95 bool stop_at_java_call_stub) : vframeStreamCommon(jt) {
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96
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97 _stop_at_java_call_stub = stop_at_java_call_stub;
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98 _frame = fr;
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99
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100 // We must always have a valid frame to start filling
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101
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102 bool filled_in = fill_from_frame();
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103
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104 assert(filled_in, "invariant");
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105
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106 }
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108
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109 // Solaris SPARC Compiler1 needs an additional check on the grandparent
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110 // of the top_frame when the parent of the top_frame is interpreted and
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111 // the grandparent is compiled. However, in this method we do not know
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112 // the relationship of the current _frame relative to the top_frame so
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113 // we implement a more broad sanity check. When the previous callee is
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114 // interpreted and the current sender is compiled, we verify that the
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115 // current sender is also walkable. If it is not walkable, then we mark
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116 // the current vframeStream as at the end.
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117 void vframeStreamForte::forte_next() {
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118 // handle frames with inlining
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119 if (_mode == compiled_mode &&
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120 vframeStreamCommon::fill_in_compiled_inlined_sender()) {
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121 return;
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122 }
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123
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124 // handle general case
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125
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126 int loop_count = 0;
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127 int loop_max = MaxJavaStackTraceDepth * 2;
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128
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129
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130 do {
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131
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132 loop_count++;
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133
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134 // By the time we get here we should never see unsafe but better
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135 // safe then segv'd
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136
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137 if (loop_count > loop_max || !_frame.safe_for_sender(_thread)) {
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138 _mode = at_end_mode;
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139 return;
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140 }
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141
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142 _frame = _frame.sender(&_reg_map);
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143
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144 } while (!fill_from_frame());
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145 }
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146
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147 // Determine if 'fr' is a decipherable compiled frame. We are already
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148 // assured that fr is for a java nmethod.
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149
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150 static bool is_decipherable_compiled_frame(JavaThread* thread, frame* fr, nmethod* nm) {
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151 assert(nm->is_java_method(), "invariant");
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152
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153 if (thread->has_last_Java_frame() && thread->last_Java_pc() == fr->pc()) {
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154 // We're stopped at a call into the JVM so look for a PcDesc with
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155 // the actual pc reported by the frame.
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156 PcDesc* pc_desc = nm->pc_desc_at(fr->pc());
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157
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158 // Did we find a useful PcDesc?
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159 if (pc_desc != NULL &&
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160 pc_desc->scope_decode_offset() != DebugInformationRecorder::serialized_null) {
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161 return true;
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162 }
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163 }
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164
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165 // We're at some random pc in the nmethod so search for the PcDesc
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166 // whose pc is greater than the current PC. It's done this way
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167 // because the extra PcDescs that are recorded for improved debug
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168 // info record the end of the region covered by the ScopeDesc
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169 // instead of the beginning.
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170 PcDesc* pc_desc = nm->pc_desc_near(fr->pc() + 1);
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171
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172 // Now do we have a useful PcDesc?
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173 if (pc_desc == NULL ||
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174 pc_desc->scope_decode_offset() == DebugInformationRecorder::serialized_null) {
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175 // No debug information is available for this PC.
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176 //
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177 // vframeStreamCommon::fill_from_frame() will decode the frame depending
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178 // on the state of the thread.
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179 //
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180 // Case #1: If the thread is in Java (state == _thread_in_Java), then
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181 // the vframeStreamCommon object will be filled as if the frame were a native
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182 // compiled frame. Therefore, no debug information is needed.
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183 //
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184 // Case #2: If the thread is in any other state, then two steps will be performed:
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185 // - if asserts are enabled, found_bad_method_frame() will be called and
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186 // the assert in found_bad_method_frame() will be triggered;
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187 // - if asserts are disabled, the vframeStreamCommon object will be filled
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188 // as if it were a native compiled frame.
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189 //
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190 // Case (2) is similar to the way interpreter frames are processed in
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191 // vframeStreamCommon::fill_from_interpreter_frame in case no valid BCI
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192 // was found for an interpreted frame. If asserts are enabled, the assert
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193 // in found_bad_method_frame() will be triggered. If asserts are disabled,
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194 // the vframeStreamCommon object will be filled afterwards as if the
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195 // interpreter were at the point of entering into the method.
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196 return false;
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197 }
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198
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199 // This PcDesc is useful however we must adjust the frame's pc
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200 // so that the vframeStream lookups will use this same pc
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201 fr->set_pc(pc_desc->real_pc(nm));
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202 return true;
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203 }
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204
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205
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206 // Determine if 'fr' is a walkable interpreted frame. Returns false
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207 // if it is not. *method_p, and *bci_p are not set when false is
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208 // returned. *method_p is non-NULL if frame was executing a Java
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209 // method. *bci_p is != -1 if a valid BCI in the Java method could
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210 // be found.
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211 // Note: this method returns true when a valid Java method is found
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212 // even if a valid BCI cannot be found.
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213
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214 static bool is_decipherable_interpreted_frame(JavaThread* thread,
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215 frame* fr,
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216 Method** method_p,
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217 int* bci_p) {
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218 assert(fr->is_interpreted_frame(), "just checking");
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219
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220 // top frame is an interpreted frame
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221 // check if it is walkable (i.e. valid Method* and valid bci)
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222
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223 // Because we may be racing a gc thread the method and/or bci
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224 // of a valid interpreter frame may look bad causing us to
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225 // fail the is_interpreted_frame_valid test. If the thread
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226 // is in any of the following states we are assured that the
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227 // frame is in fact valid and we must have hit the race.
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228
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229 JavaThreadState state = thread->thread_state();
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230 bool known_valid = (state == _thread_in_native ||
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231 state == _thread_in_vm ||
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232 state == _thread_blocked );
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233
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234 if (known_valid || fr->is_interpreted_frame_valid(thread)) {
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235
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236 // The frame code should completely validate the frame so that
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237 // references to Method* and bci are completely safe to access
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238 // If they aren't the frame code should be fixed not this
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239 // code. However since gc isn't locked out the values could be
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240 // stale. This is a race we can never completely win since we can't
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241 // lock out gc so do one last check after retrieving their values
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242 // from the frame for additional safety
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243
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244 Method* method = fr->interpreter_frame_method();
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245
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246 // We've at least found a method.
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247 // NOTE: there is something to be said for the approach that
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248 // if we don't find a valid bci then the method is not likely
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249 // a valid method. Then again we may have caught an interpreter
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250 // frame in the middle of construction and the bci field is
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251 // not yet valid.
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252 if (!method->is_valid_method()) return false;
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253 *method_p = method; // If the Method* found is invalid, it is
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254 // ignored by forte_fill_call_trace_given_top().
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255 // So set method_p only if the Method is valid.
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256
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257 intptr_t bcx = fr->interpreter_frame_bcx();
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258
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259 int bci = method->validate_bci_from_bcx(bcx);
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260
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261 // note: bci is set to -1 if not a valid bci
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262 *bci_p = bci;
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263 return true;
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264 }
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265
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266 return false;
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267 }
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268
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269
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270 // Determine if a Java frame can be found starting with the frame 'fr'.
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271 //
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272 // Check the return value of find_initial_Java_frame and the value of
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273 // 'method_p' to decide on how use the results returned by this method.
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274 //
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275 // If 'method_p' is not NULL, an initial Java frame has been found and
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276 // the stack can be walked starting from that initial frame. In this case,
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277 // 'method_p' points to the Method that the initial frame belongs to and
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278 // the initial Java frame is returned in initial_frame_p.
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279 //
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280 // find_initial_Java_frame() returns true if a Method has been found (i.e.,
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281 // 'method_p' is not NULL) and the initial frame that belongs to that Method
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282 // is decipherable.
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283 //
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284 // A frame is considered to be decipherable:
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285 //
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286 // - if the frame is a compiled frame and a PCDesc is available;
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287 //
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288 // - if the frame is an interpreter frame that is valid or the thread is
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289 // state (_thread_in_native || state == _thread_in_vm || state == _thread_blocked).
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290 //
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291 // Note that find_initial_Java_frame() can return false even if an initial
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292 // Java method was found (e.g., there is no PCDesc available for the method).
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293 //
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294 // If 'method_p' is NULL, it was not possible to find a Java frame when
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295 // walking the stack starting from 'fr'. In this case find_initial_Java_frame
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296 // returns false.
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297
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298 static bool find_initial_Java_frame(JavaThread* thread,
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299 frame* fr,
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300 frame* initial_frame_p,
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301 Method** method_p,
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302 int* bci_p) {
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303
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304 // It is possible that for a frame containing an nmethod
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305 // we can capture the method but no bci. If we get no
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306 // bci the frame isn't walkable but the method is usable.
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307 // Therefore we init the returned Method* to NULL so the
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308 // caller can make the distinction.
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309
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310 *method_p = NULL;
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311
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312 // On the initial call to this method the frame we get may not be
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313 // recognizable to us. This should only happen if we are in a JRT_LEAF
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314 // or something called by a JRT_LEAF method.
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315
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
316 frame candidate = *fr;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
317
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
318 // If the starting frame we were given has no codeBlob associated with
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
319 // it see if we can find such a frame because only frames with codeBlobs
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
320 // are possible Java frames.
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
321
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
322 if (fr->cb() == NULL) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
323
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
324 // See if we can find a useful frame
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
325 int loop_count;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
326 int loop_max = MaxJavaStackTraceDepth * 2;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
327 RegisterMap map(thread, false);
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
328
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
329 for (loop_count = 0; loop_count < loop_max; loop_count++) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
330 if (!candidate.safe_for_sender(thread)) return false;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
331 candidate = candidate.sender(&map);
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
332 if (candidate.cb() != NULL) break;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
333 }
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
334 if (candidate.cb() == NULL) return false;
0
a61af66fc99e Initial load
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parents:
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335 }
a61af66fc99e Initial load
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diff changeset
336
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
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337 // We have a frame known to be in the codeCache
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
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338 // We will hopefully be able to figure out something to do with it.
0
a61af66fc99e Initial load
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parents:
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339 int loop_count;
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340 int loop_max = MaxJavaStackTraceDepth * 2;
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
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341 RegisterMap map(thread, false);
0
a61af66fc99e Initial load
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parents:
diff changeset
342
a61af66fc99e Initial load
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parents:
diff changeset
343 for (loop_count = 0; loop_count < loop_max; loop_count++) {
a61af66fc99e Initial load
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parents:
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344
11146
e619a2766bcc 8016131: nsk/sysdict/vm/stress/chain tests crash the VM in 'entry_frame_is_first()'
rbackman
parents: 10973
diff changeset
345 if (candidate.is_entry_frame()) {
e619a2766bcc 8016131: nsk/sysdict/vm/stress/chain tests crash the VM in 'entry_frame_is_first()'
rbackman
parents: 10973
diff changeset
346 // jcw is NULL if the java call wrapper couldn't be found
e619a2766bcc 8016131: nsk/sysdict/vm/stress/chain tests crash the VM in 'entry_frame_is_first()'
rbackman
parents: 10973
diff changeset
347 JavaCallWrapper *jcw = candidate.entry_frame_call_wrapper_if_safe(thread);
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
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348 // If initial frame is frame from StubGenerator and there is no
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
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349 // previous anchor, there are no java frames associated with a method
11146
e619a2766bcc 8016131: nsk/sysdict/vm/stress/chain tests crash the VM in 'entry_frame_is_first()'
rbackman
parents: 10973
diff changeset
350 if (jcw == NULL || jcw->is_first_frame()) {
e619a2766bcc 8016131: nsk/sysdict/vm/stress/chain tests crash the VM in 'entry_frame_is_first()'
rbackman
parents: 10973
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351 return false;
e619a2766bcc 8016131: nsk/sysdict/vm/stress/chain tests crash the VM in 'entry_frame_is_first()'
rbackman
parents: 10973
diff changeset
352 }
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
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parents: 0
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353 }
0
a61af66fc99e Initial load
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parents:
diff changeset
354
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
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parents: 0
diff changeset
355 if (candidate.is_interpreted_frame()) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
356 if (is_decipherable_interpreted_frame(thread, &candidate, method_p, bci_p)) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
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357 *initial_frame_p = candidate;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
358 return true;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
359 }
0
a61af66fc99e Initial load
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parents:
diff changeset
360
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
361 // Hopefully we got some data
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
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362 return false;
0
a61af66fc99e Initial load
duke
parents:
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363 }
a61af66fc99e Initial load
duke
parents:
diff changeset
364
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
365 if (candidate.cb()->is_nmethod()) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
366
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
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parents: 0
diff changeset
367 nmethod* nm = (nmethod*) candidate.cb();
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
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368 *method_p = nm->method();
0
a61af66fc99e Initial load
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parents:
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369
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e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
370 // If the frame is not decipherable, then the value of -1
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
371 // for the BCI is used to signal that no BCI is available.
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
372 // Furthermore, the method returns false in this case.
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
373 //
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
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parents: 20197
diff changeset
374 // If a decipherable frame is available, the BCI value will
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
375 // not be used.
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
376
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
377 *bci_p = -1;
0
a61af66fc99e Initial load
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parents:
diff changeset
378
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
379 *initial_frame_p = candidate;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
380
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
381 // Native wrapper code is trivial to decode by vframeStream
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
382
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
383 if (nm->is_native_method()) return true;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
384
23050
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
385 // If the frame is not decipherable, then a PC was found
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
386 // that does not have a PCDesc from which a BCI can be obtained.
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
387 // Nevertheless, a Method was found.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
388
1349
547cbe6dacc5 6936709: AsyncGetCallTrace doesn't handle inexact stack walking properly
never
parents: 196
diff changeset
389 if (!is_decipherable_compiled_frame(thread, &candidate, nm)) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
390 return false;
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
391 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
392
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
393 // is_decipherable_compiled_frame may modify candidate's pc
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
394 *initial_frame_p = candidate;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
395
23050
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
396 assert(nm->pc_desc_at(candidate.pc()) != NULL, "debug information must be available if the frame is decipherable");
1349
547cbe6dacc5 6936709: AsyncGetCallTrace doesn't handle inexact stack walking properly
never
parents: 196
diff changeset
397
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
398 return true;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
399 }
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
400
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
401 // Must be some stub frame that we don't care about
0
a61af66fc99e Initial load
duke
parents:
diff changeset
402
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
403 if (!candidate.safe_for_sender(thread)) return false;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
404 candidate = candidate.sender(&map);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
405
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
406 // If it isn't in the code cache something is wrong
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
407 // since once we find a frame in the code cache they
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
408 // all should be there.
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
409
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
410 if (candidate.cb() == NULL) return false;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
411
0
a61af66fc99e Initial load
duke
parents:
diff changeset
412 }
a61af66fc99e Initial load
duke
parents:
diff changeset
413
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
414 return false;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
415
0
a61af66fc99e Initial load
duke
parents:
diff changeset
416 }
a61af66fc99e Initial load
duke
parents:
diff changeset
417
a61af66fc99e Initial load
duke
parents:
diff changeset
418 static void forte_fill_call_trace_given_top(JavaThread* thd,
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
419 ASGCT_CallTrace* trace,
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
420 int depth,
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
421 frame top_frame) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
422 NoHandleMark nhm;
a61af66fc99e Initial load
duke
parents:
diff changeset
423
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
424 frame initial_Java_frame;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 3960
diff changeset
425 Method* method;
23050
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
426 int bci = -1; // assume BCI is not available for method
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
427 // update with correct information if available
0
a61af66fc99e Initial load
duke
parents:
diff changeset
428 int count;
a61af66fc99e Initial load
duke
parents:
diff changeset
429
a61af66fc99e Initial load
duke
parents:
diff changeset
430 count = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
431 assert(trace->frames != NULL, "trace->frames must be non-NULL");
a61af66fc99e Initial load
duke
parents:
diff changeset
432
23050
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
433 // Walk the stack starting from 'top_frame' and search for an initial Java frame.
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
434 find_initial_Java_frame(thd, &top_frame, &initial_Java_frame, &method, &bci);
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
435
23050
e8260b6328fb 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents: 20197
diff changeset
436 // Check if a Java Method has been found.
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
437 if (method == NULL) return;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
438
7176
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6725
diff changeset
439 if (!method->is_valid_method()) {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
440 trace->num_frames = ticks_GC_active; // -2
0
a61af66fc99e Initial load
duke
parents:
diff changeset
441 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
442 }
a61af66fc99e Initial load
duke
parents:
diff changeset
443
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
444 vframeStreamForte st(thd, initial_Java_frame, false);
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
445
0
a61af66fc99e Initial load
duke
parents:
diff changeset
446 for (; !st.at_end() && count < depth; st.forte_next(), count++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
447 bci = st.bci();
a61af66fc99e Initial load
duke
parents:
diff changeset
448 method = st.method();
a61af66fc99e Initial load
duke
parents:
diff changeset
449
7176
59c790074993 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 6725
diff changeset
450 if (!method->is_valid_method()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
451 // we throw away everything we've gathered in this sample since
a61af66fc99e Initial load
duke
parents:
diff changeset
452 // none of it is safe
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
453 trace->num_frames = ticks_GC_active; // -2
0
a61af66fc99e Initial load
duke
parents:
diff changeset
454 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
455 }
a61af66fc99e Initial load
duke
parents:
diff changeset
456
a61af66fc99e Initial load
duke
parents:
diff changeset
457 trace->frames[count].method_id = method->find_jmethod_id_or_null();
a61af66fc99e Initial load
duke
parents:
diff changeset
458 if (!method->is_native()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
459 trace->frames[count].lineno = bci;
a61af66fc99e Initial load
duke
parents:
diff changeset
460 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
461 trace->frames[count].lineno = -3;
a61af66fc99e Initial load
duke
parents:
diff changeset
462 }
a61af66fc99e Initial load
duke
parents:
diff changeset
463 }
a61af66fc99e Initial load
duke
parents:
diff changeset
464 trace->num_frames = count;
a61af66fc99e Initial load
duke
parents:
diff changeset
465 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
466 }
a61af66fc99e Initial load
duke
parents:
diff changeset
467
a61af66fc99e Initial load
duke
parents:
diff changeset
468
a61af66fc99e Initial load
duke
parents:
diff changeset
469 // Forte Analyzer AsyncGetCallTrace() entry point. Currently supported
a61af66fc99e Initial load
duke
parents:
diff changeset
470 // on Linux X86, Solaris SPARC and Solaris X86.
a61af66fc99e Initial load
duke
parents:
diff changeset
471 //
a61af66fc99e Initial load
duke
parents:
diff changeset
472 // Async-safe version of GetCallTrace being called from a signal handler
a61af66fc99e Initial load
duke
parents:
diff changeset
473 // when a LWP gets interrupted by SIGPROF but the stack traces are filled
a61af66fc99e Initial load
duke
parents:
diff changeset
474 // with different content (see below).
a61af66fc99e Initial load
duke
parents:
diff changeset
475 //
a61af66fc99e Initial load
duke
parents:
diff changeset
476 // This function must only be called when JVM/TI
a61af66fc99e Initial load
duke
parents:
diff changeset
477 // CLASS_LOAD events have been enabled since agent startup. The enabled
a61af66fc99e Initial load
duke
parents:
diff changeset
478 // event will cause the jmethodIDs to be allocated at class load time.
a61af66fc99e Initial load
duke
parents:
diff changeset
479 // The jmethodIDs cannot be allocated in a signal handler because locks
a61af66fc99e Initial load
duke
parents:
diff changeset
480 // cannot be grabbed in a signal handler safely.
a61af66fc99e Initial load
duke
parents:
diff changeset
481 //
a61af66fc99e Initial load
duke
parents:
diff changeset
482 // void (*AsyncGetCallTrace)(ASGCT_CallTrace *trace, jint depth, void* ucontext)
a61af66fc99e Initial load
duke
parents:
diff changeset
483 //
a61af66fc99e Initial load
duke
parents:
diff changeset
484 // Called by the profiler to obtain the current method call stack trace for
a61af66fc99e Initial load
duke
parents:
diff changeset
485 // a given thread. The thread is identified by the env_id field in the
a61af66fc99e Initial load
duke
parents:
diff changeset
486 // ASGCT_CallTrace structure. The profiler agent should allocate a ASGCT_CallTrace
a61af66fc99e Initial load
duke
parents:
diff changeset
487 // structure with enough memory for the requested stack depth. The VM fills in
a61af66fc99e Initial load
duke
parents:
diff changeset
488 // the frames buffer and the num_frames field.
a61af66fc99e Initial load
duke
parents:
diff changeset
489 //
a61af66fc99e Initial load
duke
parents:
diff changeset
490 // Arguments:
a61af66fc99e Initial load
duke
parents:
diff changeset
491 //
a61af66fc99e Initial load
duke
parents:
diff changeset
492 // trace - trace data structure to be filled by the VM.
a61af66fc99e Initial load
duke
parents:
diff changeset
493 // depth - depth of the call stack trace.
a61af66fc99e Initial load
duke
parents:
diff changeset
494 // ucontext - ucontext_t of the LWP
a61af66fc99e Initial load
duke
parents:
diff changeset
495 //
a61af66fc99e Initial load
duke
parents:
diff changeset
496 // ASGCT_CallTrace:
a61af66fc99e Initial load
duke
parents:
diff changeset
497 // typedef struct {
a61af66fc99e Initial load
duke
parents:
diff changeset
498 // JNIEnv *env_id;
a61af66fc99e Initial load
duke
parents:
diff changeset
499 // jint num_frames;
a61af66fc99e Initial load
duke
parents:
diff changeset
500 // ASGCT_CallFrame *frames;
a61af66fc99e Initial load
duke
parents:
diff changeset
501 // } ASGCT_CallTrace;
a61af66fc99e Initial load
duke
parents:
diff changeset
502 //
a61af66fc99e Initial load
duke
parents:
diff changeset
503 // Fields:
a61af66fc99e Initial load
duke
parents:
diff changeset
504 // env_id - ID of thread which executed this trace.
a61af66fc99e Initial load
duke
parents:
diff changeset
505 // num_frames - number of frames in the trace.
a61af66fc99e Initial load
duke
parents:
diff changeset
506 // (< 0 indicates the frame is not walkable).
a61af66fc99e Initial load
duke
parents:
diff changeset
507 // frames - the ASGCT_CallFrames that make up this trace. Callee followed by callers.
a61af66fc99e Initial load
duke
parents:
diff changeset
508 //
a61af66fc99e Initial load
duke
parents:
diff changeset
509 // ASGCT_CallFrame:
a61af66fc99e Initial load
duke
parents:
diff changeset
510 // typedef struct {
a61af66fc99e Initial load
duke
parents:
diff changeset
511 // jint lineno;
a61af66fc99e Initial load
duke
parents:
diff changeset
512 // jmethodID method_id;
a61af66fc99e Initial load
duke
parents:
diff changeset
513 // } ASGCT_CallFrame;
a61af66fc99e Initial load
duke
parents:
diff changeset
514 //
a61af66fc99e Initial load
duke
parents:
diff changeset
515 // Fields:
a61af66fc99e Initial load
duke
parents:
diff changeset
516 // 1) For Java frame (interpreted and compiled),
a61af66fc99e Initial load
duke
parents:
diff changeset
517 // lineno - bci of the method being executed or -1 if bci is not available
a61af66fc99e Initial load
duke
parents:
diff changeset
518 // method_id - jmethodID of the method being executed
a61af66fc99e Initial load
duke
parents:
diff changeset
519 // 2) For native method
a61af66fc99e Initial load
duke
parents:
diff changeset
520 // lineno - (-3)
a61af66fc99e Initial load
duke
parents:
diff changeset
521 // method_id - jmethodID of the method being executed
a61af66fc99e Initial load
duke
parents:
diff changeset
522
a61af66fc99e Initial load
duke
parents:
diff changeset
523 extern "C" {
2191
d70fe6ab4436 6588413: Use -fvisibility=hidden for gcc compiles
coleenp
parents: 1972
diff changeset
524 JNIEXPORT
0
a61af66fc99e Initial load
duke
parents:
diff changeset
525 void AsyncGetCallTrace(ASGCT_CallTrace *trace, jint depth, void* ucontext) {
a61af66fc99e Initial load
duke
parents:
diff changeset
526 JavaThread* thread;
a61af66fc99e Initial load
duke
parents:
diff changeset
527
a61af66fc99e Initial load
duke
parents:
diff changeset
528 if (trace->env_id == NULL ||
a61af66fc99e Initial load
duke
parents:
diff changeset
529 (thread = JavaThread::thread_from_jni_environment(trace->env_id)) == NULL ||
a61af66fc99e Initial load
duke
parents:
diff changeset
530 thread->is_exiting()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
531
a61af66fc99e Initial load
duke
parents:
diff changeset
532 // bad env_id, thread has exited or thread is exiting
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
533 trace->num_frames = ticks_thread_exit; // -8
0
a61af66fc99e Initial load
duke
parents:
diff changeset
534 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
535 }
a61af66fc99e Initial load
duke
parents:
diff changeset
536
a61af66fc99e Initial load
duke
parents:
diff changeset
537 if (thread->in_deopt_handler()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
538 // thread is in the deoptimization handler so return no frames
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
539 trace->num_frames = ticks_deopt; // -9
0
a61af66fc99e Initial load
duke
parents:
diff changeset
540 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
541 }
a61af66fc99e Initial load
duke
parents:
diff changeset
542
a61af66fc99e Initial load
duke
parents:
diff changeset
543 assert(JavaThread::current() == thread,
a61af66fc99e Initial load
duke
parents:
diff changeset
544 "AsyncGetCallTrace must be called by the current interrupted thread");
a61af66fc99e Initial load
duke
parents:
diff changeset
545
a61af66fc99e Initial load
duke
parents:
diff changeset
546 if (!JvmtiExport::should_post_class_load()) {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
547 trace->num_frames = ticks_no_class_load; // -1
0
a61af66fc99e Initial load
duke
parents:
diff changeset
548 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
549 }
a61af66fc99e Initial load
duke
parents:
diff changeset
550
a61af66fc99e Initial load
duke
parents:
diff changeset
551 if (Universe::heap()->is_gc_active()) {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
552 trace->num_frames = ticks_GC_active; // -2
0
a61af66fc99e Initial load
duke
parents:
diff changeset
553 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
554 }
a61af66fc99e Initial load
duke
parents:
diff changeset
555
a61af66fc99e Initial load
duke
parents:
diff changeset
556 switch (thread->thread_state()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
557 case _thread_new:
a61af66fc99e Initial load
duke
parents:
diff changeset
558 case _thread_uninitialized:
a61af66fc99e Initial load
duke
parents:
diff changeset
559 case _thread_new_trans:
a61af66fc99e Initial load
duke
parents:
diff changeset
560 // We found the thread on the threads list above, but it is too
a61af66fc99e Initial load
duke
parents:
diff changeset
561 // young to be useful so return that there are no Java frames.
a61af66fc99e Initial load
duke
parents:
diff changeset
562 trace->num_frames = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
563 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
564 case _thread_in_native:
a61af66fc99e Initial load
duke
parents:
diff changeset
565 case _thread_in_native_trans:
a61af66fc99e Initial load
duke
parents:
diff changeset
566 case _thread_blocked:
a61af66fc99e Initial load
duke
parents:
diff changeset
567 case _thread_blocked_trans:
a61af66fc99e Initial load
duke
parents:
diff changeset
568 case _thread_in_vm:
a61af66fc99e Initial load
duke
parents:
diff changeset
569 case _thread_in_vm_trans:
a61af66fc99e Initial load
duke
parents:
diff changeset
570 {
a61af66fc99e Initial load
duke
parents:
diff changeset
571 frame fr;
a61af66fc99e Initial load
duke
parents:
diff changeset
572
a61af66fc99e Initial load
duke
parents:
diff changeset
573 // param isInJava == false - indicate we aren't in Java code
a61af66fc99e Initial load
duke
parents:
diff changeset
574 if (!thread->pd_get_top_frame_for_signal_handler(&fr, ucontext, false)) {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
575 trace->num_frames = ticks_unknown_not_Java; // -3 unknown frame
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
576 } else {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
577 if (!thread->has_last_Java_frame()) {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
578 trace->num_frames = 0; // No Java frames
0
a61af66fc99e Initial load
duke
parents:
diff changeset
579 } else {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
580 trace->num_frames = ticks_not_walkable_not_Java; // -4 non walkable frame by default
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
581 forte_fill_call_trace_given_top(thread, trace, depth, fr);
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
582
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
583 // This assert would seem to be valid but it is not.
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
584 // It would be valid if we weren't possibly racing a gc
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
585 // thread. A gc thread can make a valid interpreted frame
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
586 // look invalid. It's a small window but it does happen.
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
587 // The assert is left here commented out as a reminder.
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
588 // assert(trace->num_frames != ticks_not_walkable_not_Java, "should always be walkable");
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
589
0
a61af66fc99e Initial load
duke
parents:
diff changeset
590 }
a61af66fc99e Initial load
duke
parents:
diff changeset
591 }
a61af66fc99e Initial load
duke
parents:
diff changeset
592 }
a61af66fc99e Initial load
duke
parents:
diff changeset
593 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
594 case _thread_in_Java:
a61af66fc99e Initial load
duke
parents:
diff changeset
595 case _thread_in_Java_trans:
a61af66fc99e Initial load
duke
parents:
diff changeset
596 {
a61af66fc99e Initial load
duke
parents:
diff changeset
597 frame fr;
a61af66fc99e Initial load
duke
parents:
diff changeset
598
a61af66fc99e Initial load
duke
parents:
diff changeset
599 // param isInJava == true - indicate we are in Java code
a61af66fc99e Initial load
duke
parents:
diff changeset
600 if (!thread->pd_get_top_frame_for_signal_handler(&fr, ucontext, true)) {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
601 trace->num_frames = ticks_unknown_Java; // -5 unknown frame
0
a61af66fc99e Initial load
duke
parents:
diff changeset
602 } else {
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
603 trace->num_frames = ticks_not_walkable_Java; // -6, non walkable frame by default
0
a61af66fc99e Initial load
duke
parents:
diff changeset
604 forte_fill_call_trace_given_top(thread, trace, depth, fr);
a61af66fc99e Initial load
duke
parents:
diff changeset
605 }
a61af66fc99e Initial load
duke
parents:
diff changeset
606 }
a61af66fc99e Initial load
duke
parents:
diff changeset
607 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
608 default:
a61af66fc99e Initial load
duke
parents:
diff changeset
609 // Unknown thread state
107
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 0
diff changeset
610 trace->num_frames = ticks_unknown_state; // -7
0
a61af66fc99e Initial load
duke
parents:
diff changeset
611 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
612 }
a61af66fc99e Initial load
duke
parents:
diff changeset
613 }
a61af66fc99e Initial load
duke
parents:
diff changeset
614
a61af66fc99e Initial load
duke
parents:
diff changeset
615
a61af66fc99e Initial load
duke
parents:
diff changeset
616 #ifndef _WINDOWS
a61af66fc99e Initial load
duke
parents:
diff changeset
617 // Support for the Forte(TM) Peformance Tools collector.
a61af66fc99e Initial load
duke
parents:
diff changeset
618 //
a61af66fc99e Initial load
duke
parents:
diff changeset
619 // The method prototype is derived from libcollector.h. For more
a61af66fc99e Initial load
duke
parents:
diff changeset
620 // information, please see the libcollect man page.
a61af66fc99e Initial load
duke
parents:
diff changeset
621
a61af66fc99e Initial load
duke
parents:
diff changeset
622 // Method to let libcollector know about a dynamically loaded function.
a61af66fc99e Initial load
duke
parents:
diff changeset
623 // Because it is weakly bound, the calls become NOP's when the library
a61af66fc99e Initial load
duke
parents:
diff changeset
624 // isn't present.
3960
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 3899
diff changeset
625 #ifdef __APPLE__
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 3899
diff changeset
626 // XXXDARWIN: Link errors occur even when __attribute__((weak_import))
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 3899
diff changeset
627 // is added
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 3899
diff changeset
628 #define collector_func_load(x0,x1,x2,x3,x4,x5,x6) (0)
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 3899
diff changeset
629 #else
0
a61af66fc99e Initial load
duke
parents:
diff changeset
630 void collector_func_load(char* name,
a61af66fc99e Initial load
duke
parents:
diff changeset
631 void* null_argument_1,
a61af66fc99e Initial load
duke
parents:
diff changeset
632 void* null_argument_2,
a61af66fc99e Initial load
duke
parents:
diff changeset
633 void *vaddr,
a61af66fc99e Initial load
duke
parents:
diff changeset
634 int size,
a61af66fc99e Initial load
duke
parents:
diff changeset
635 int zero_argument,
a61af66fc99e Initial load
duke
parents:
diff changeset
636 void* null_argument_3);
a61af66fc99e Initial load
duke
parents:
diff changeset
637 #pragma weak collector_func_load
a61af66fc99e Initial load
duke
parents:
diff changeset
638 #define collector_func_load(x0,x1,x2,x3,x4,x5,x6) \
10973
ef57c43512d6 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents: 10354
diff changeset
639 ( collector_func_load ? collector_func_load(x0,x1,x2,x3,x4,x5,x6),(void)0 : (void)0 )
3960
f08d439fab8c 7089790: integrate bsd-port changes
never
parents: 3899
diff changeset
640 #endif // __APPLE__
0
a61af66fc99e Initial load
duke
parents:
diff changeset
641 #endif // !_WINDOWS
a61af66fc99e Initial load
duke
parents:
diff changeset
642
a61af66fc99e Initial load
duke
parents:
diff changeset
643 } // end extern "C"
14403
75ef1a499665 8019973: PPC64 (part 11): Fix IA64 preprocessor conditionals on AIX.
goetz
parents: 10973
diff changeset
644 #endif // !IA64 && !PPC64
0
a61af66fc99e Initial load
duke
parents:
diff changeset
645
a61af66fc99e Initial load
duke
parents:
diff changeset
646 void Forte::register_stub(const char* name, address start, address end) {
14403
75ef1a499665 8019973: PPC64 (part 11): Fix IA64 preprocessor conditionals on AIX.
goetz
parents: 10973
diff changeset
647 #if !defined(_WINDOWS) && !defined(IA64) && !defined(PPC64)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
648 assert(pointer_delta(end, start, sizeof(jbyte)) < INT_MAX,
1489
cff162798819 6888953: some calls to function-like macros are missing semicolons
jcoomes
parents: 1349
diff changeset
649 "Code size exceeds maximum range");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
650
a61af66fc99e Initial load
duke
parents:
diff changeset
651 collector_func_load((char*)name, NULL, NULL, start,
a61af66fc99e Initial load
duke
parents:
diff changeset
652 pointer_delta(end, start, sizeof(jbyte)), 0, NULL);
14403
75ef1a499665 8019973: PPC64 (part 11): Fix IA64 preprocessor conditionals on AIX.
goetz
parents: 10973
diff changeset
653 #endif // !_WINDOWS && !IA64 && !PPC64
0
a61af66fc99e Initial load
duke
parents:
diff changeset
654 }
10354
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
655
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
656 #else // INCLUDE_JVMTI
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
657 extern "C" {
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
658 JNIEXPORT
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
659 void AsyncGetCallTrace(ASGCT_CallTrace *trace, jint depth, void* ucontext) {
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
660 trace->num_frames = ticks_no_class_load; // -1
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
661 }
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
662 }
dcb062bea05b 8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
jprovino
parents: 7176
diff changeset
663 #endif // INCLUDE_JVMTI