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1 /* |
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2 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2019, NTT DATA. |
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * |
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6 * This code is free software; you can redistribute it and/or modify it |
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7 * under the terms of the GNU General Public License version 2 only, as |
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8 * published by the Free Software Foundation. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 * |
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24 */ |
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25 |
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26 #include <jni.h> |
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27 #include "libproc.h" |
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28 #include "proc_service.h" |
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29 |
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30 #include <elf.h> |
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31 #include <sys/types.h> |
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32 #include <sys/stat.h> |
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33 #include <fcntl.h> |
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34 #include <stdlib.h> |
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35 #include <string.h> |
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36 #include <limits.h> |
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37 #include <cxxabi.h> |
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38 |
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39 #if defined(x86_64) && !defined(amd64) |
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40 #define amd64 1 |
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41 #endif |
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42 |
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43 #if defined(i386) && !defined(i586) |
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44 #define i586 1 |
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45 #endif |
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46 |
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47 #ifdef i586 |
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48 #include "sun_jvm_hotspot_debugger_x86_X86ThreadContext.h" |
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49 #endif |
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50 |
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51 #ifdef amd64 |
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52 #include "sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext.h" |
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53 #endif |
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54 |
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55 #if defined(sparc) || defined(sparcv9) |
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56 #include "sun_jvm_hotspot_debugger_sparc_SPARCThreadContext.h" |
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57 #endif |
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58 |
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59 #if defined(ppc64) || defined(ppc64le) |
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60 #include "sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext.h" |
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61 #endif |
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62 |
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63 #ifdef aarch64 |
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64 #include "sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext.h" |
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65 #endif |
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66 |
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67 static jfieldID p_ps_prochandle_ID = 0; |
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68 static jfieldID threadList_ID = 0; |
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69 static jfieldID loadObjectList_ID = 0; |
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70 |
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71 static jmethodID createClosestSymbol_ID = 0; |
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72 static jmethodID createLoadObject_ID = 0; |
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73 static jmethodID getThreadForThreadId_ID = 0; |
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74 static jmethodID listAdd_ID = 0; |
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75 |
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76 /* |
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77 * SA_ALTROOT environment variable. |
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78 * This memory holds env string for putenv(3). |
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79 */ |
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80 static char *saaltroot = NULL; |
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81 |
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82 #define CHECK_EXCEPTION_(value) if (env->ExceptionOccurred()) { return value; } |
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83 #define CHECK_EXCEPTION if (env->ExceptionOccurred()) { return;} |
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84 #define THROW_NEW_DEBUGGER_EXCEPTION_(str, value) { throw_new_debugger_exception(env, str); return value; } |
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85 #define THROW_NEW_DEBUGGER_EXCEPTION(str) { throw_new_debugger_exception(env, str); return;} |
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86 |
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87 void throw_new_debugger_exception(JNIEnv* env, const char* errMsg) { |
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88 jclass clazz; |
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89 clazz = env->FindClass("sun/jvm/hotspot/debugger/DebuggerException"); |
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90 CHECK_EXCEPTION; |
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91 env->ThrowNew(clazz, errMsg); |
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92 } |
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93 |
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94 struct ps_prochandle* get_proc_handle(JNIEnv* env, jobject this_obj) { |
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95 jlong ptr = env->GetLongField(this_obj, p_ps_prochandle_ID); |
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96 return (struct ps_prochandle*)(intptr_t)ptr; |
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97 } |
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98 |
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99 /* |
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100 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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101 * Method: init0 |
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102 * Signature: ()V |
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103 */ |
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104 extern "C" |
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105 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_init0 |
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106 (JNIEnv *env, jclass cls) { |
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107 jclass listClass; |
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108 |
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109 if (init_libproc(getenv("LIBSAPROC_DEBUG") != NULL) != true) { |
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110 THROW_NEW_DEBUGGER_EXCEPTION("can't initialize libproc"); |
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111 } |
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112 |
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113 // fields we use |
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114 p_ps_prochandle_ID = env->GetFieldID(cls, "p_ps_prochandle", "J"); |
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115 CHECK_EXCEPTION; |
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116 threadList_ID = env->GetFieldID(cls, "threadList", "Ljava/util/List;"); |
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117 CHECK_EXCEPTION; |
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118 loadObjectList_ID = env->GetFieldID(cls, "loadObjectList", "Ljava/util/List;"); |
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119 CHECK_EXCEPTION; |
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120 |
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121 // methods we use |
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122 createClosestSymbol_ID = env->GetMethodID(cls, "createClosestSymbol", |
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123 "(Ljava/lang/String;J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol;"); |
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124 CHECK_EXCEPTION; |
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125 createLoadObject_ID = env->GetMethodID(cls, "createLoadObject", |
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126 "(Ljava/lang/String;JJ)Lsun/jvm/hotspot/debugger/cdbg/LoadObject;"); |
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127 CHECK_EXCEPTION; |
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128 getThreadForThreadId_ID = env->GetMethodID(cls, "getThreadForThreadId", |
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129 "(J)Lsun/jvm/hotspot/debugger/ThreadProxy;"); |
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130 CHECK_EXCEPTION; |
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131 // java.util.List method we call |
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132 listClass = env->FindClass("java/util/List"); |
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133 CHECK_EXCEPTION; |
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134 listAdd_ID = env->GetMethodID(listClass, "add", "(Ljava/lang/Object;)Z"); |
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135 CHECK_EXCEPTION; |
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136 } |
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137 |
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138 extern "C" |
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139 JNIEXPORT jint JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getAddressSize |
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140 (JNIEnv *env, jclass cls) |
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141 { |
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142 #ifdef _LP64 |
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143 return 8; |
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144 #else |
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145 return 4; |
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146 #endif |
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147 |
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148 } |
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149 |
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150 |
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151 static void fillThreadsAndLoadObjects(JNIEnv* env, jobject this_obj, struct ps_prochandle* ph) { |
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152 int n = 0, i = 0; |
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153 |
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154 // add threads |
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155 n = get_num_threads(ph); |
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156 for (i = 0; i < n; i++) { |
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157 jobject thread; |
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158 jobject threadList; |
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159 lwpid_t lwpid; |
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160 |
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161 lwpid = get_lwp_id(ph, i); |
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162 thread = env->CallObjectMethod(this_obj, getThreadForThreadId_ID, (jlong)lwpid); |
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163 CHECK_EXCEPTION; |
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164 threadList = env->GetObjectField(this_obj, threadList_ID); |
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165 CHECK_EXCEPTION; |
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166 env->CallBooleanMethod(threadList, listAdd_ID, thread); |
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167 CHECK_EXCEPTION; |
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168 } |
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169 |
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170 // add load objects |
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171 n = get_num_libs(ph); |
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172 for (i = 0; i < n; i++) { |
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173 uintptr_t base; |
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174 const char* name; |
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175 jobject loadObject; |
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176 jobject loadObjectList; |
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177 jstring str; |
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178 |
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179 base = get_lib_base(ph, i); |
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180 name = get_lib_name(ph, i); |
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181 |
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182 str = env->NewStringUTF(name); |
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183 CHECK_EXCEPTION; |
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184 loadObject = env->CallObjectMethod(this_obj, createLoadObject_ID, str, (jlong)0, (jlong)base); |
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185 CHECK_EXCEPTION; |
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186 loadObjectList = env->GetObjectField(this_obj, loadObjectList_ID); |
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187 CHECK_EXCEPTION; |
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188 env->CallBooleanMethod(loadObjectList, listAdd_ID, loadObject); |
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189 CHECK_EXCEPTION; |
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190 } |
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191 } |
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192 |
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193 |
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194 /* |
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195 * Verify that a named ELF binary file (core or executable) has the same |
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196 * bitness as ourselves. |
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197 * Throw an exception if there is a mismatch or other problem. |
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198 * |
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199 * If we proceed using a mismatched debugger/debuggee, the best to hope |
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200 * for is a missing symbol, the worst is a crash searching for debug symbols. |
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201 */ |
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202 void verifyBitness(JNIEnv *env, const char *binaryName) { |
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203 int fd = open(binaryName, O_RDONLY); |
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204 if (fd < 0) { |
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205 THROW_NEW_DEBUGGER_EXCEPTION("cannot open binary file"); |
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206 } |
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207 unsigned char elf_ident[EI_NIDENT]; |
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208 int i = read(fd, &elf_ident, sizeof(elf_ident)); |
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209 close(fd); |
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210 |
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211 if (i < 0) { |
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212 THROW_NEW_DEBUGGER_EXCEPTION("cannot read binary file"); |
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213 } |
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214 #ifndef _LP64 |
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215 if (elf_ident[EI_CLASS] == ELFCLASS64) { |
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216 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 64 bit, use 64-bit java for debugger"); |
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217 } |
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218 #else |
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219 if (elf_ident[EI_CLASS] != ELFCLASS64) { |
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220 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 32 bit, use 32 bit java for debugger"); |
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221 } |
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222 #endif |
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223 } |
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224 |
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225 |
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226 /* |
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227 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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228 * Method: setSAAltRoot0 |
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229 * Signature: (Ljava/lang/String;)V |
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230 */ |
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231 extern "C" |
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232 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_setSAAltRoot0 |
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233 (JNIEnv *env, jobject this_obj, jstring altroot) { |
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234 if (saaltroot != NULL) { |
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235 free(saaltroot); |
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236 } |
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237 const char *path = env->GetStringUTFChars(altroot, JNI_FALSE); |
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238 /* |
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239 * `saaltroot` is used for putenv(). |
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240 * So we need to keep this memory. |
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241 */ |
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242 static const char *PREFIX = "SA_ALTROOT="; |
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243 size_t len = strlen(PREFIX) + strlen(path) + 1; |
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244 saaltroot = (char *)malloc(len); |
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245 snprintf(saaltroot, len, "%s%s", PREFIX, path); |
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246 putenv(saaltroot); |
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247 env->ReleaseStringUTFChars(altroot, path); |
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248 } |
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249 |
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250 /* |
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251 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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252 * Method: attach0 |
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253 * Signature: (I)V |
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254 */ |
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255 extern "C" |
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256 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__I |
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257 (JNIEnv *env, jobject this_obj, jint jpid) { |
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258 |
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259 // For bitness checking, locate binary at /proc/jpid/exe |
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260 char buf[PATH_MAX]; |
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261 snprintf((char *) &buf, PATH_MAX, "/proc/%d/exe", jpid); |
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262 verifyBitness(env, (char *) &buf); |
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263 CHECK_EXCEPTION; |
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264 |
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265 char err_buf[200]; |
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266 struct ps_prochandle* ph; |
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267 if ((ph = Pgrab(jpid, err_buf, sizeof(err_buf))) == NULL) { |
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268 char msg[230]; |
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269 snprintf(msg, sizeof(msg), "Can't attach to the process: %s", err_buf); |
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270 THROW_NEW_DEBUGGER_EXCEPTION(msg); |
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271 } |
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272 env->SetLongField(this_obj, p_ps_prochandle_ID, (jlong)(intptr_t)ph); |
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273 fillThreadsAndLoadObjects(env, this_obj, ph); |
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274 } |
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275 |
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276 /* |
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277 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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278 * Method: attach0 |
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279 * Signature: (Ljava/lang/String;Ljava/lang/String;)V |
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280 */ |
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281 extern "C" |
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282 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__Ljava_lang_String_2Ljava_lang_String_2 |
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283 (JNIEnv *env, jobject this_obj, jstring execName, jstring coreName) { |
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284 const char *execName_cstr; |
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285 const char *coreName_cstr; |
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286 jboolean isCopy; |
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287 struct ps_prochandle* ph; |
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288 |
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289 execName_cstr = env->GetStringUTFChars(execName, &isCopy); |
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290 CHECK_EXCEPTION; |
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291 coreName_cstr = env->GetStringUTFChars(coreName, &isCopy); |
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292 CHECK_EXCEPTION; |
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293 |
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294 verifyBitness(env, execName_cstr); |
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295 CHECK_EXCEPTION; |
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296 |
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297 if ( (ph = Pgrab_core(execName_cstr, coreName_cstr)) == NULL) { |
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298 env->ReleaseStringUTFChars(execName, execName_cstr); |
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299 env->ReleaseStringUTFChars(coreName, coreName_cstr); |
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300 THROW_NEW_DEBUGGER_EXCEPTION("Can't attach to the core file"); |
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301 } |
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302 env->SetLongField(this_obj, p_ps_prochandle_ID, (jlong)(intptr_t)ph); |
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303 env->ReleaseStringUTFChars(execName, execName_cstr); |
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304 env->ReleaseStringUTFChars(coreName, coreName_cstr); |
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305 fillThreadsAndLoadObjects(env, this_obj, ph); |
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306 } |
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307 |
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308 /* |
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309 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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310 * Method: detach0 |
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311 * Signature: ()V |
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312 */ |
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313 extern "C" |
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314 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_detach0 |
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315 (JNIEnv *env, jobject this_obj) { |
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316 struct ps_prochandle* ph = get_proc_handle(env, this_obj); |
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317 if (ph != NULL) { |
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318 Prelease(ph); |
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319 } |
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320 if (saaltroot != NULL) { |
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321 free(saaltroot); |
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322 saaltroot = NULL; |
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323 } |
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324 } |
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325 |
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326 /* |
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327 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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328 * Method: lookupByName0 |
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329 * Signature: (Ljava/lang/String;Ljava/lang/String;)J |
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330 */ |
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331 extern "C" |
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332 JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_lookupByName0 |
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333 (JNIEnv *env, jobject this_obj, jstring objectName, jstring symbolName) { |
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334 const char *objectName_cstr, *symbolName_cstr; |
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335 jlong addr; |
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336 jboolean isCopy; |
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337 struct ps_prochandle* ph = get_proc_handle(env, this_obj); |
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338 |
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339 objectName_cstr = NULL; |
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340 if (objectName != NULL) { |
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341 objectName_cstr = env->GetStringUTFChars(objectName, &isCopy); |
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342 CHECK_EXCEPTION_(0); |
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343 } |
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344 symbolName_cstr = env->GetStringUTFChars(symbolName, &isCopy); |
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345 CHECK_EXCEPTION_(0); |
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346 |
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347 addr = (jlong) lookup_symbol(ph, objectName_cstr, symbolName_cstr); |
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348 |
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349 if (objectName_cstr != NULL) { |
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350 env->ReleaseStringUTFChars(objectName, objectName_cstr); |
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351 } |
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352 env->ReleaseStringUTFChars(symbolName, symbolName_cstr); |
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353 return addr; |
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354 } |
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355 |
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356 /* |
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357 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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358 * Method: lookupByAddress0 |
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359 * Signature: (J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol; |
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360 */ |
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361 extern "C" |
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362 JNIEXPORT jobject JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_lookupByAddress0 |
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363 (JNIEnv *env, jobject this_obj, jlong addr) { |
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364 uintptr_t offset; |
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365 jobject obj; |
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366 jstring str; |
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367 const char* sym = NULL; |
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368 |
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369 struct ps_prochandle* ph = get_proc_handle(env, this_obj); |
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370 sym = symbol_for_pc(ph, (uintptr_t) addr, &offset); |
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371 if (sym == NULL) return 0; |
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372 str = env->NewStringUTF(sym); |
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373 CHECK_EXCEPTION_(NULL); |
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374 obj = env->CallObjectMethod(this_obj, createClosestSymbol_ID, str, (jlong)offset); |
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375 CHECK_EXCEPTION_(NULL); |
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376 return obj; |
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377 } |
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378 |
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379 /* |
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380 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
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381 * Method: readBytesFromProcess0 |
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382 * Signature: (JJ)Lsun/jvm/hotspot/debugger/ReadResult; |
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383 */ |
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384 extern "C" |
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385 JNIEXPORT jbyteArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_readBytesFromProcess0 |
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386 (JNIEnv *env, jobject this_obj, jlong addr, jlong numBytes) { |
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387 |
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388 jboolean isCopy; |
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389 jbyteArray array; |
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390 jbyte *bufPtr; |
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391 ps_err_e err; |
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392 |
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393 array = env->NewByteArray(numBytes); |
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394 CHECK_EXCEPTION_(0); |
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395 bufPtr = env->GetByteArrayElements(array, &isCopy); |
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396 CHECK_EXCEPTION_(0); |
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397 |
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398 err = ps_pdread(get_proc_handle(env, this_obj), (psaddr_t) (uintptr_t)addr, bufPtr, numBytes); |
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399 env->ReleaseByteArrayElements(array, bufPtr, 0); |
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400 return (err == PS_OK)? array : 0; |
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401 } |
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402 |
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403 #if defined(i586) || defined(amd64) || defined(sparc) || defined(sparcv9) | defined(ppc64) || defined(ppc64le) || defined(aarch64) |
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404 extern "C" |
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405 JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getThreadIntegerRegisterSet0 |
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406 (JNIEnv *env, jobject this_obj, jint lwp_id) { |
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407 |
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408 struct user_regs_struct gregs; |
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409 jboolean isCopy; |
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410 jlongArray array; |
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411 jlong *regs; |
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412 int i; |
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413 |
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414 struct ps_prochandle* ph = get_proc_handle(env, this_obj); |
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415 if (get_lwp_regs(ph, lwp_id, &gregs) != true) { |
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416 THROW_NEW_DEBUGGER_EXCEPTION_("get_thread_regs failed for a lwp", 0); |
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417 } |
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418 |
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419 #undef NPRGREG |
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420 #ifdef i586 |
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421 #define NPRGREG sun_jvm_hotspot_debugger_x86_X86ThreadContext_NPRGREG |
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422 #endif |
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423 #ifdef amd64 |
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424 #define NPRGREG sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_NPRGREG |
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425 #endif |
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426 #ifdef aarch64 |
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427 #define NPRGREG sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_NPRGREG |
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428 #endif |
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429 #if defined(sparc) || defined(sparcv9) |
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430 #define NPRGREG sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_NPRGREG |
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431 #endif |
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432 #if defined(ppc64) || defined(ppc64le) |
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433 #define NPRGREG sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_NPRGREG |
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434 #endif |
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435 |
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436 |
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437 array = env->NewLongArray(NPRGREG); |
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438 CHECK_EXCEPTION_(0); |
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439 regs = env->GetLongArrayElements(array, &isCopy); |
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440 |
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441 #undef REG_INDEX |
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442 |
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443 #ifdef i586 |
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444 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_x86_X86ThreadContext_##reg |
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445 |
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446 regs[REG_INDEX(GS)] = (uintptr_t) gregs.xgs; |
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447 regs[REG_INDEX(FS)] = (uintptr_t) gregs.xfs; |
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448 regs[REG_INDEX(ES)] = (uintptr_t) gregs.xes; |
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449 regs[REG_INDEX(DS)] = (uintptr_t) gregs.xds; |
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450 regs[REG_INDEX(EDI)] = (uintptr_t) gregs.edi; |
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451 regs[REG_INDEX(ESI)] = (uintptr_t) gregs.esi; |
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452 regs[REG_INDEX(FP)] = (uintptr_t) gregs.ebp; |
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453 regs[REG_INDEX(SP)] = (uintptr_t) gregs.esp; |
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454 regs[REG_INDEX(EBX)] = (uintptr_t) gregs.ebx; |
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455 regs[REG_INDEX(EDX)] = (uintptr_t) gregs.edx; |
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456 regs[REG_INDEX(ECX)] = (uintptr_t) gregs.ecx; |
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457 regs[REG_INDEX(EAX)] = (uintptr_t) gregs.eax; |
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458 regs[REG_INDEX(PC)] = (uintptr_t) gregs.eip; |
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459 regs[REG_INDEX(CS)] = (uintptr_t) gregs.xcs; |
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460 regs[REG_INDEX(SS)] = (uintptr_t) gregs.xss; |
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461 |
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462 #endif /* i586 */ |
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463 |
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464 #ifdef amd64 |
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465 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_##reg |
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466 |
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467 regs[REG_INDEX(R15)] = gregs.r15; |
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468 regs[REG_INDEX(R14)] = gregs.r14; |
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469 regs[REG_INDEX(R13)] = gregs.r13; |
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470 regs[REG_INDEX(R12)] = gregs.r12; |
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471 regs[REG_INDEX(RBP)] = gregs.rbp; |
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472 regs[REG_INDEX(RBX)] = gregs.rbx; |
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473 regs[REG_INDEX(R11)] = gregs.r11; |
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474 regs[REG_INDEX(R10)] = gregs.r10; |
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475 regs[REG_INDEX(R9)] = gregs.r9; |
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476 regs[REG_INDEX(R8)] = gregs.r8; |
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477 regs[REG_INDEX(RAX)] = gregs.rax; |
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478 regs[REG_INDEX(RCX)] = gregs.rcx; |
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479 regs[REG_INDEX(RDX)] = gregs.rdx; |
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480 regs[REG_INDEX(RSI)] = gregs.rsi; |
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481 regs[REG_INDEX(RDI)] = gregs.rdi; |
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482 regs[REG_INDEX(RIP)] = gregs.rip; |
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483 regs[REG_INDEX(CS)] = gregs.cs; |
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484 regs[REG_INDEX(RSP)] = gregs.rsp; |
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485 regs[REG_INDEX(SS)] = gregs.ss; |
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486 regs[REG_INDEX(FSBASE)] = gregs.fs_base; |
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487 regs[REG_INDEX(GSBASE)] = gregs.gs_base; |
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488 regs[REG_INDEX(DS)] = gregs.ds; |
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489 regs[REG_INDEX(ES)] = gregs.es; |
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490 regs[REG_INDEX(FS)] = gregs.fs; |
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491 regs[REG_INDEX(GS)] = gregs.gs; |
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492 |
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493 #endif /* amd64 */ |
|
494 |
|
495 #if defined(sparc) || defined(sparcv9) |
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496 |
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497 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_##reg |
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498 |
|
499 #ifdef _LP64 |
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500 regs[REG_INDEX(R_PSR)] = gregs.tstate; |
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501 regs[REG_INDEX(R_PC)] = gregs.tpc; |
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502 regs[REG_INDEX(R_nPC)] = gregs.tnpc; |
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503 regs[REG_INDEX(R_Y)] = gregs.y; |
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504 #else |
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505 regs[REG_INDEX(R_PSR)] = gregs.psr; |
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506 regs[REG_INDEX(R_PC)] = gregs.pc; |
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507 regs[REG_INDEX(R_nPC)] = gregs.npc; |
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508 regs[REG_INDEX(R_Y)] = gregs.y; |
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509 #endif |
|
510 regs[REG_INDEX(R_G0)] = 0 ; |
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511 regs[REG_INDEX(R_G1)] = gregs.u_regs[0]; |
|
512 regs[REG_INDEX(R_G2)] = gregs.u_regs[1]; |
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513 regs[REG_INDEX(R_G3)] = gregs.u_regs[2]; |
|
514 regs[REG_INDEX(R_G4)] = gregs.u_regs[3]; |
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515 regs[REG_INDEX(R_G5)] = gregs.u_regs[4]; |
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516 regs[REG_INDEX(R_G6)] = gregs.u_regs[5]; |
|
517 regs[REG_INDEX(R_G7)] = gregs.u_regs[6]; |
|
518 regs[REG_INDEX(R_O0)] = gregs.u_regs[7]; |
|
519 regs[REG_INDEX(R_O1)] = gregs.u_regs[8]; |
|
520 regs[REG_INDEX(R_O2)] = gregs.u_regs[ 9]; |
|
521 regs[REG_INDEX(R_O3)] = gregs.u_regs[10]; |
|
522 regs[REG_INDEX(R_O4)] = gregs.u_regs[11]; |
|
523 regs[REG_INDEX(R_O5)] = gregs.u_regs[12]; |
|
524 regs[REG_INDEX(R_O6)] = gregs.u_regs[13]; |
|
525 regs[REG_INDEX(R_O7)] = gregs.u_regs[14]; |
|
526 #endif /* sparc */ |
|
527 |
|
528 #if defined(aarch64) |
|
529 |
|
530 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_##reg |
|
531 |
|
532 { |
|
533 int i; |
|
534 for (i = 0; i < 31; i++) |
|
535 regs[i] = gregs.regs[i]; |
|
536 regs[REG_INDEX(SP)] = gregs.sp; |
|
537 regs[REG_INDEX(PC)] = gregs.pc; |
|
538 } |
|
539 #endif /* aarch64 */ |
|
540 |
|
541 #if defined(ppc64) || defined(ppc64le) |
|
542 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_##reg |
|
543 |
|
544 regs[REG_INDEX(LR)] = gregs.link; |
|
545 regs[REG_INDEX(NIP)] = gregs.nip; |
|
546 regs[REG_INDEX(R0)] = gregs.gpr[0]; |
|
547 regs[REG_INDEX(R1)] = gregs.gpr[1]; |
|
548 regs[REG_INDEX(R2)] = gregs.gpr[2]; |
|
549 regs[REG_INDEX(R3)] = gregs.gpr[3]; |
|
550 regs[REG_INDEX(R4)] = gregs.gpr[4]; |
|
551 regs[REG_INDEX(R5)] = gregs.gpr[5]; |
|
552 regs[REG_INDEX(R6)] = gregs.gpr[6]; |
|
553 regs[REG_INDEX(R7)] = gregs.gpr[7]; |
|
554 regs[REG_INDEX(R8)] = gregs.gpr[8]; |
|
555 regs[REG_INDEX(R9)] = gregs.gpr[9]; |
|
556 regs[REG_INDEX(R10)] = gregs.gpr[10]; |
|
557 regs[REG_INDEX(R11)] = gregs.gpr[11]; |
|
558 regs[REG_INDEX(R12)] = gregs.gpr[12]; |
|
559 regs[REG_INDEX(R13)] = gregs.gpr[13]; |
|
560 regs[REG_INDEX(R14)] = gregs.gpr[14]; |
|
561 regs[REG_INDEX(R15)] = gregs.gpr[15]; |
|
562 regs[REG_INDEX(R16)] = gregs.gpr[16]; |
|
563 regs[REG_INDEX(R17)] = gregs.gpr[17]; |
|
564 regs[REG_INDEX(R18)] = gregs.gpr[18]; |
|
565 regs[REG_INDEX(R19)] = gregs.gpr[19]; |
|
566 regs[REG_INDEX(R20)] = gregs.gpr[20]; |
|
567 regs[REG_INDEX(R21)] = gregs.gpr[21]; |
|
568 regs[REG_INDEX(R22)] = gregs.gpr[22]; |
|
569 regs[REG_INDEX(R23)] = gregs.gpr[23]; |
|
570 regs[REG_INDEX(R24)] = gregs.gpr[24]; |
|
571 regs[REG_INDEX(R25)] = gregs.gpr[25]; |
|
572 regs[REG_INDEX(R26)] = gregs.gpr[26]; |
|
573 regs[REG_INDEX(R27)] = gregs.gpr[27]; |
|
574 regs[REG_INDEX(R28)] = gregs.gpr[28]; |
|
575 regs[REG_INDEX(R29)] = gregs.gpr[29]; |
|
576 regs[REG_INDEX(R30)] = gregs.gpr[30]; |
|
577 regs[REG_INDEX(R31)] = gregs.gpr[31]; |
|
578 |
|
579 #endif |
|
580 |
|
581 env->ReleaseLongArrayElements(array, regs, JNI_COMMIT); |
|
582 return array; |
|
583 } |
|
584 #endif |
|
585 |
|
586 /* |
|
587 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal |
|
588 * Method: demangle |
|
589 * Signature: (Ljava/lang/String;)Ljava/lang/String; |
|
590 */ |
|
591 extern "C" |
|
592 JNIEXPORT jstring JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_demangle |
|
593 (JNIEnv *env, jobject this_obj, jstring jsym) { |
|
594 int status; |
|
595 jstring result = NULL; |
|
596 |
|
597 const char *sym = env->GetStringUTFChars(jsym, JNI_FALSE); |
|
598 char *demangled = abi::__cxa_demangle(sym, NULL, 0, &status); |
|
599 env->ReleaseStringUTFChars(jsym, sym); |
|
600 if ((demangled != NULL) && (status == 0)) { |
|
601 result = env->NewStringUTF(demangled); |
|
602 free(demangled); |
|
603 } else if (status == -2) { // not C++ ABI mangling rules - maybe C style |
|
604 result = jsym; |
|
605 } else { |
|
606 THROW_NEW_DEBUGGER_EXCEPTION_("Could not demangle", NULL); |
|
607 } |
|
608 |
|
609 return result; |
|
610 } |