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1 /* |
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2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef _JAVASOFT_JVM_H_ |
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26 #define _JAVASOFT_JVM_H_ |
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27 |
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28 // HotSpot integration note: |
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29 // |
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30 // This file and jvm.h used with the JDK are identical, |
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31 // except for the three includes removed below and the |
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32 // SUPPORT_OLD_REFLECTION sections cut out of the JDK's jvm.h. |
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33 |
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34 // #include <sys/stat.h> |
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35 // #include "jni.h" |
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36 // #include "jvm_md.h" |
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37 |
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38 |
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39 #ifdef __cplusplus |
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40 extern "C" { |
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41 #endif |
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42 |
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43 /* |
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44 * This file contains additional functions exported from the VM. |
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45 * These functions are complementary to the standard JNI support. |
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46 * There are three parts to this file: |
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47 * |
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48 * First, this file contains the VM-related functions needed by native |
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49 * libraries in the standard Java API. For example, the java.lang.Object |
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50 * class needs VM-level functions that wait for and notify monitors. |
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51 * |
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52 * Second, this file contains the functions and constant definitions |
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53 * needed by the byte code verifier and class file format checker. |
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54 * These functions allow the verifier and format checker to be written |
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55 * in a VM-independent way. |
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56 * |
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57 * Third, this file contains various I/O and nerwork operations needed |
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58 * by the standard Java I/O and network APIs. |
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59 */ |
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60 |
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61 /* |
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62 * Bump the version number when either of the following happens: |
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63 * |
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64 * 1. There is a change in JVM_* functions. |
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65 * |
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66 * 2. There is a change in the contract between VM and Java classes. |
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67 * For example, if the VM relies on a new private field in Thread |
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68 * class. |
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69 */ |
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70 |
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71 #define JVM_INTERFACE_VERSION 4 |
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72 |
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73 |
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74 JNIEXPORT jint JNICALL |
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75 JVM_GetInterfaceVersion(void); |
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76 |
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77 /************************************************************************* |
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78 PART 1: Functions for Native Libraries |
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79 ************************************************************************/ |
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80 /* |
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81 * java.lang.Object |
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82 */ |
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83 JNIEXPORT jint JNICALL |
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84 JVM_IHashCode(JNIEnv *env, jobject obj); |
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85 |
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86 JNIEXPORT void JNICALL |
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87 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms); |
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88 |
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89 JNIEXPORT void JNICALL |
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90 JVM_MonitorNotify(JNIEnv *env, jobject obj); |
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91 |
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92 JNIEXPORT void JNICALL |
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93 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj); |
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94 |
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95 JNIEXPORT jobject JNICALL |
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96 JVM_Clone(JNIEnv *env, jobject obj); |
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97 |
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98 /* |
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99 * java.lang.String |
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100 */ |
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101 JNIEXPORT jstring JNICALL |
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102 JVM_InternString(JNIEnv *env, jstring str); |
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103 |
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104 /* |
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105 * java.lang.System |
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106 */ |
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107 JNIEXPORT jlong JNICALL |
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108 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored); |
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109 |
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110 JNIEXPORT jlong JNICALL |
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111 JVM_NanoTime(JNIEnv *env, jclass ignored); |
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112 |
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113 JNIEXPORT void JNICALL |
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114 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos, |
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115 jobject dst, jint dst_pos, jint length); |
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116 |
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117 JNIEXPORT jobject JNICALL |
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118 JVM_InitProperties(JNIEnv *env, jobject p); |
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119 |
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120 /* |
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121 * java.io.File |
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122 */ |
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123 JNIEXPORT void JNICALL |
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124 JVM_OnExit(void (*func)(void)); |
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125 |
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126 /* |
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127 * java.lang.Runtime |
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128 */ |
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129 JNIEXPORT void JNICALL |
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130 JVM_Exit(jint code); |
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131 |
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132 JNIEXPORT void JNICALL |
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133 JVM_Halt(jint code); |
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134 |
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135 JNIEXPORT void JNICALL |
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136 JVM_GC(void); |
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137 |
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138 /* Returns the number of real-time milliseconds that have elapsed since the |
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139 * least-recently-inspected heap object was last inspected by the garbage |
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140 * collector. |
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141 * |
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142 * For simple stop-the-world collectors this value is just the time |
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143 * since the most recent collection. For generational collectors it is the |
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144 * time since the oldest generation was most recently collected. Other |
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145 * collectors are free to return a pessimistic estimate of the elapsed time, or |
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146 * simply the time since the last full collection was performed. |
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147 * |
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148 * Note that in the presence of reference objects, a given object that is no |
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149 * longer strongly reachable may have to be inspected multiple times before it |
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150 * can be reclaimed. |
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151 */ |
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152 JNIEXPORT jlong JNICALL |
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153 JVM_MaxObjectInspectionAge(void); |
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154 |
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155 JNIEXPORT void JNICALL |
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156 JVM_TraceInstructions(jboolean on); |
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157 |
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158 JNIEXPORT void JNICALL |
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159 JVM_TraceMethodCalls(jboolean on); |
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160 |
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161 JNIEXPORT jlong JNICALL |
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162 JVM_TotalMemory(void); |
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163 |
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164 JNIEXPORT jlong JNICALL |
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165 JVM_FreeMemory(void); |
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166 |
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167 JNIEXPORT jlong JNICALL |
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168 JVM_MaxMemory(void); |
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169 |
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170 JNIEXPORT jint JNICALL |
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171 JVM_ActiveProcessorCount(void); |
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172 |
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173 JNIEXPORT void * JNICALL |
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174 JVM_LoadLibrary(const char *name); |
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175 |
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176 JNIEXPORT void JNICALL |
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177 JVM_UnloadLibrary(void * handle); |
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178 |
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179 JNIEXPORT void * JNICALL |
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180 JVM_FindLibraryEntry(void *handle, const char *name); |
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181 |
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182 JNIEXPORT jboolean JNICALL |
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183 JVM_IsSupportedJNIVersion(jint version); |
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184 |
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185 /* |
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186 * java.lang.Float and java.lang.Double |
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187 */ |
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188 JNIEXPORT jboolean JNICALL |
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189 JVM_IsNaN(jdouble d); |
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190 |
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191 /* |
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192 * java.lang.Throwable |
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193 */ |
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194 JNIEXPORT void JNICALL |
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195 JVM_FillInStackTrace(JNIEnv *env, jobject throwable); |
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196 |
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197 JNIEXPORT void JNICALL |
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198 JVM_PrintStackTrace(JNIEnv *env, jobject throwable, jobject printable); |
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199 |
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200 JNIEXPORT jint JNICALL |
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201 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable); |
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202 |
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203 JNIEXPORT jobject JNICALL |
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204 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index); |
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205 |
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206 /* |
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207 * java.lang.Compiler |
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208 */ |
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209 JNIEXPORT void JNICALL |
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210 JVM_InitializeCompiler (JNIEnv *env, jclass compCls); |
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211 |
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212 JNIEXPORT jboolean JNICALL |
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213 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls); |
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214 |
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215 JNIEXPORT jboolean JNICALL |
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216 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls); |
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217 |
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218 JNIEXPORT jboolean JNICALL |
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219 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname); |
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220 |
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221 JNIEXPORT jobject JNICALL |
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222 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg); |
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223 |
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224 JNIEXPORT void JNICALL |
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225 JVM_EnableCompiler(JNIEnv *env, jclass compCls); |
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226 |
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227 JNIEXPORT void JNICALL |
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228 JVM_DisableCompiler(JNIEnv *env, jclass compCls); |
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229 |
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230 /* |
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231 * java.lang.Thread |
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232 */ |
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233 JNIEXPORT void JNICALL |
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234 JVM_StartThread(JNIEnv *env, jobject thread); |
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235 |
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236 JNIEXPORT void JNICALL |
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237 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception); |
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238 |
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239 JNIEXPORT jboolean JNICALL |
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240 JVM_IsThreadAlive(JNIEnv *env, jobject thread); |
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241 |
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242 JNIEXPORT void JNICALL |
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243 JVM_SuspendThread(JNIEnv *env, jobject thread); |
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244 |
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245 JNIEXPORT void JNICALL |
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246 JVM_ResumeThread(JNIEnv *env, jobject thread); |
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247 |
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248 JNIEXPORT void JNICALL |
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249 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio); |
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250 |
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251 JNIEXPORT void JNICALL |
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252 JVM_Yield(JNIEnv *env, jclass threadClass); |
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253 |
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254 JNIEXPORT void JNICALL |
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255 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis); |
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256 |
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257 JNIEXPORT jobject JNICALL |
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258 JVM_CurrentThread(JNIEnv *env, jclass threadClass); |
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259 |
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260 JNIEXPORT jint JNICALL |
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261 JVM_CountStackFrames(JNIEnv *env, jobject thread); |
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262 |
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263 JNIEXPORT void JNICALL |
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264 JVM_Interrupt(JNIEnv *env, jobject thread); |
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265 |
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266 JNIEXPORT jboolean JNICALL |
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267 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted); |
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268 |
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269 JNIEXPORT jboolean JNICALL |
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270 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj); |
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271 |
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272 JNIEXPORT void JNICALL |
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273 JVM_DumpAllStacks(JNIEnv *env, jclass unused); |
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274 |
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275 JNIEXPORT jobjectArray JNICALL |
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276 JVM_GetAllThreads(JNIEnv *env, jclass dummy); |
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277 |
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278 /* getStackTrace() and getAllStackTraces() method */ |
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279 JNIEXPORT jobjectArray JNICALL |
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280 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads); |
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281 |
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282 /* |
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283 * java.lang.SecurityManager |
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284 */ |
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285 JNIEXPORT jclass JNICALL |
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286 JVM_CurrentLoadedClass(JNIEnv *env); |
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287 |
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288 JNIEXPORT jobject JNICALL |
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289 JVM_CurrentClassLoader(JNIEnv *env); |
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290 |
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291 JNIEXPORT jobjectArray JNICALL |
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292 JVM_GetClassContext(JNIEnv *env); |
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293 |
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294 JNIEXPORT jint JNICALL |
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295 JVM_ClassDepth(JNIEnv *env, jstring name); |
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296 |
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297 JNIEXPORT jint JNICALL |
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298 JVM_ClassLoaderDepth(JNIEnv *env); |
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299 |
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300 /* |
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301 * java.lang.Package |
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302 */ |
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303 JNIEXPORT jstring JNICALL |
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304 JVM_GetSystemPackage(JNIEnv *env, jstring name); |
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305 |
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306 JNIEXPORT jobjectArray JNICALL |
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307 JVM_GetSystemPackages(JNIEnv *env); |
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308 |
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309 /* |
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310 * java.io.ObjectInputStream |
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311 */ |
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312 JNIEXPORT jobject JNICALL |
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313 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass, |
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314 jclass initClass); |
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315 |
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316 JNIEXPORT jobject JNICALL |
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317 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass, |
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318 jint length); |
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319 |
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320 JNIEXPORT jobject JNICALL |
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321 JVM_LatestUserDefinedLoader(JNIEnv *env); |
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322 |
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323 /* |
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324 * This function has been deprecated and should not be considered |
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325 * part of the specified JVM interface. |
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326 */ |
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327 JNIEXPORT jclass JNICALL |
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328 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass, |
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329 jstring currClassName); |
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330 |
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331 /* |
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332 * java.lang.reflect.Array |
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333 */ |
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334 JNIEXPORT jint JNICALL |
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335 JVM_GetArrayLength(JNIEnv *env, jobject arr); |
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336 |
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337 JNIEXPORT jobject JNICALL |
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338 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index); |
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339 |
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340 JNIEXPORT jvalue JNICALL |
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341 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode); |
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342 |
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343 JNIEXPORT void JNICALL |
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344 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val); |
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345 |
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346 JNIEXPORT void JNICALL |
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347 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v, |
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348 unsigned char vCode); |
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349 |
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350 JNIEXPORT jobject JNICALL |
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351 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length); |
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352 |
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353 JNIEXPORT jobject JNICALL |
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354 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim); |
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355 |
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356 /* |
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357 * java.lang.Class and java.lang.ClassLoader |
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358 */ |
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359 /* |
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360 * Returns the class in which the code invoking the native method |
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361 * belongs. |
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362 * |
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363 * Note that in JDK 1.1, native methods did not create a frame. |
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364 * In 1.2, they do. Therefore native methods like Class.forName |
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365 * can no longer look at the current frame for the caller class. |
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366 */ |
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367 JNIEXPORT jclass JNICALL |
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368 JVM_GetCallerClass(JNIEnv *env, int n); |
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369 |
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370 /* |
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371 * Find primitive classes |
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372 * utf: class name |
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373 */ |
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374 JNIEXPORT jclass JNICALL |
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375 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf); |
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376 |
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377 /* |
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378 * Link the class |
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379 */ |
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380 JNIEXPORT void JNICALL |
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381 JVM_ResolveClass(JNIEnv *env, jclass cls); |
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382 |
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383 /* |
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384 * Find a class from a given class loader. Throw ClassNotFoundException |
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385 * or NoClassDefFoundError depending on the value of the last |
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386 * argument. |
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387 */ |
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388 JNIEXPORT jclass JNICALL |
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389 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init, |
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390 jobject loader, jboolean throwError); |
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391 |
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392 /* |
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393 * Find a class from a given class. |
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394 */ |
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395 JNIEXPORT jclass JNICALL |
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396 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, |
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397 jclass from); |
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398 |
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399 /* Find a loaded class cached by the VM */ |
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400 JNIEXPORT jclass JNICALL |
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401 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name); |
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402 |
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403 /* Define a class */ |
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404 JNIEXPORT jclass JNICALL |
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405 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, |
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406 jsize len, jobject pd); |
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407 |
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408 /* Define a class with a source (added in JDK1.5) */ |
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409 JNIEXPORT jclass JNICALL |
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410 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, |
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411 const jbyte *buf, jsize len, jobject pd, |
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412 const char *source); |
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413 |
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414 /* |
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415 * Reflection support functions |
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416 */ |
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417 |
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418 JNIEXPORT jstring JNICALL |
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419 JVM_GetClassName(JNIEnv *env, jclass cls); |
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420 |
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421 JNIEXPORT jobjectArray JNICALL |
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422 JVM_GetClassInterfaces(JNIEnv *env, jclass cls); |
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423 |
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424 JNIEXPORT jobject JNICALL |
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425 JVM_GetClassLoader(JNIEnv *env, jclass cls); |
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426 |
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427 JNIEXPORT jboolean JNICALL |
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428 JVM_IsInterface(JNIEnv *env, jclass cls); |
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429 |
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430 JNIEXPORT jobjectArray JNICALL |
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431 JVM_GetClassSigners(JNIEnv *env, jclass cls); |
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432 |
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433 JNIEXPORT void JNICALL |
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434 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers); |
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435 |
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436 JNIEXPORT jobject JNICALL |
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437 JVM_GetProtectionDomain(JNIEnv *env, jclass cls); |
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438 |
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439 JNIEXPORT void JNICALL |
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440 JVM_SetProtectionDomain(JNIEnv *env, jclass cls, jobject protection_domain); |
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441 |
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442 JNIEXPORT jboolean JNICALL |
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443 JVM_IsArrayClass(JNIEnv *env, jclass cls); |
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444 |
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445 JNIEXPORT jboolean JNICALL |
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446 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls); |
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447 |
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448 JNIEXPORT jclass JNICALL |
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449 JVM_GetComponentType(JNIEnv *env, jclass cls); |
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450 |
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451 JNIEXPORT jint JNICALL |
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452 JVM_GetClassModifiers(JNIEnv *env, jclass cls); |
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453 |
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454 JNIEXPORT jobjectArray JNICALL |
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455 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass); |
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456 |
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457 JNIEXPORT jclass JNICALL |
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458 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass); |
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459 |
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460 /* Generics support (JDK 1.5) */ |
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461 JNIEXPORT jstring JNICALL |
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462 JVM_GetClassSignature(JNIEnv *env, jclass cls); |
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463 |
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464 /* Annotations support (JDK 1.5) */ |
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465 JNIEXPORT jbyteArray JNICALL |
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466 JVM_GetClassAnnotations(JNIEnv *env, jclass cls); |
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467 |
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468 /* Annotations support (JDK 1.6) */ |
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469 |
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470 // field is a handle to a java.lang.reflect.Field object |
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471 JNIEXPORT jbyteArray JNICALL |
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472 JVM_GetFieldAnnotations(JNIEnv *env, jobject field); |
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473 |
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474 // method is a handle to a java.lang.reflect.Method object |
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475 JNIEXPORT jbyteArray JNICALL |
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476 JVM_GetMethodAnnotations(JNIEnv *env, jobject method); |
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477 |
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478 // method is a handle to a java.lang.reflect.Method object |
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479 JNIEXPORT jbyteArray JNICALL |
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480 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method); |
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481 |
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482 // method is a handle to a java.lang.reflect.Method object |
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483 JNIEXPORT jbyteArray JNICALL |
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484 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method); |
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485 |
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486 |
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487 /* |
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488 * New (JDK 1.4) reflection implementation |
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489 */ |
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490 |
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491 JNIEXPORT jobjectArray JNICALL |
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492 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly); |
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493 |
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494 JNIEXPORT jobjectArray JNICALL |
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495 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly); |
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496 |
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497 JNIEXPORT jobjectArray JNICALL |
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498 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly); |
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499 |
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500 /* Differs from JVM_GetClassModifiers in treatment of inner classes. |
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501 This returns the access flags for the class as specified in the |
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502 class file rather than searching the InnerClasses attribute (if |
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503 present) to find the source-level access flags. Only the values of |
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504 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be |
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505 valid. */ |
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506 JNIEXPORT jint JNICALL |
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507 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls); |
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508 |
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509 /* |
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510 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) |
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511 */ |
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512 |
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513 JNIEXPORT jobject JNICALL |
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514 JVM_GetClassConstantPool(JNIEnv *env, jclass cls); |
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515 |
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516 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize |
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517 (JNIEnv *env, jobject unused, jobject jcpool); |
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518 |
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519 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt |
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520 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
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521 |
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522 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded |
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523 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
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524 |
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525 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt |
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526 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
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527 |
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528 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded |
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529 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
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530 |
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531 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt |
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532 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
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533 |
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534 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded |
|
535 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
536 |
|
537 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt |
|
538 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
539 |
|
540 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt |
|
541 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
542 |
|
543 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt |
|
544 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
545 |
|
546 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt |
|
547 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
548 |
|
549 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt |
|
550 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
551 |
|
552 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt |
|
553 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
554 |
|
555 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At |
|
556 (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
|
557 |
|
558 /* |
|
559 * java.security.* |
|
560 */ |
|
561 |
|
562 JNIEXPORT jobject JNICALL |
|
563 JVM_DoPrivileged(JNIEnv *env, jclass cls, |
|
564 jobject action, jobject context, jboolean wrapException); |
|
565 |
|
566 JNIEXPORT jobject JNICALL |
|
567 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); |
|
568 |
|
569 JNIEXPORT jobject JNICALL |
|
570 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); |
|
571 |
|
572 /* |
|
573 * Signal support, used to implement the shutdown sequence. Every VM must |
|
574 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts |
|
575 * (^C) and the latter for external termination (kill, system shutdown, etc.). |
|
576 * Other platform-dependent signal values may also be supported. |
|
577 */ |
|
578 |
|
579 JNIEXPORT void * JNICALL |
|
580 JVM_RegisterSignal(jint sig, void *handler); |
|
581 |
|
582 JNIEXPORT jboolean JNICALL |
|
583 JVM_RaiseSignal(jint sig); |
|
584 |
|
585 JNIEXPORT jint JNICALL |
|
586 JVM_FindSignal(const char *name); |
|
587 |
|
588 /* |
|
589 * Retrieve the assertion directives for the specified class. |
|
590 */ |
|
591 JNIEXPORT jboolean JNICALL |
|
592 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); |
|
593 |
|
594 /* |
|
595 * Retrieve the assertion directives from the VM. |
|
596 */ |
|
597 JNIEXPORT jobject JNICALL |
|
598 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); |
|
599 |
|
600 /* |
|
601 * sun.misc.AtomicLong |
|
602 */ |
|
603 JNIEXPORT jboolean JNICALL |
|
604 JVM_SupportsCX8(void); |
|
605 |
|
606 JNIEXPORT jboolean JNICALL |
|
607 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal); |
|
608 |
|
609 /************************************************************************* |
|
610 PART 2: Support for the Verifier and Class File Format Checker |
|
611 ************************************************************************/ |
|
612 /* |
|
613 * Return the class name in UTF format. The result is valid |
|
614 * until JVM_ReleaseUTf is called. |
|
615 * |
|
616 * The caller must treat the string as a constant and not modify it |
|
617 * in any way. |
|
618 */ |
|
619 JNIEXPORT const char * JNICALL |
|
620 JVM_GetClassNameUTF(JNIEnv *env, jclass cb); |
|
621 |
|
622 /* |
|
623 * Returns the constant pool types in the buffer provided by "types." |
|
624 */ |
|
625 JNIEXPORT void JNICALL |
|
626 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); |
|
627 |
|
628 /* |
|
629 * Returns the number of Constant Pool entries. |
|
630 */ |
|
631 JNIEXPORT jint JNICALL |
|
632 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); |
|
633 |
|
634 /* |
|
635 * Returns the number of *declared* fields or methods. |
|
636 */ |
|
637 JNIEXPORT jint JNICALL |
|
638 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); |
|
639 |
|
640 JNIEXPORT jint JNICALL |
|
641 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); |
|
642 |
|
643 /* |
|
644 * Returns the CP indexes of exceptions raised by a given method. |
|
645 * Places the result in the given buffer. |
|
646 * |
|
647 * The method is identified by method_index. |
|
648 */ |
|
649 JNIEXPORT void JNICALL |
|
650 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, |
|
651 unsigned short *exceptions); |
|
652 /* |
|
653 * Returns the number of exceptions raised by a given method. |
|
654 * The method is identified by method_index. |
|
655 */ |
|
656 JNIEXPORT jint JNICALL |
|
657 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); |
|
658 |
|
659 /* |
|
660 * Returns the byte code sequence of a given method. |
|
661 * Places the result in the given buffer. |
|
662 * |
|
663 * The method is identified by method_index. |
|
664 */ |
|
665 JNIEXPORT void JNICALL |
|
666 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, |
|
667 unsigned char *code); |
|
668 |
|
669 /* |
|
670 * Returns the length of the byte code sequence of a given method. |
|
671 * The method is identified by method_index. |
|
672 */ |
|
673 JNIEXPORT jint JNICALL |
|
674 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); |
|
675 |
|
676 /* |
|
677 * A structure used to a capture exception table entry in a Java method. |
|
678 */ |
|
679 typedef struct { |
|
680 jint start_pc; |
|
681 jint end_pc; |
|
682 jint handler_pc; |
|
683 jint catchType; |
|
684 } JVM_ExceptionTableEntryType; |
|
685 |
|
686 /* |
|
687 * Returns the exception table entry at entry_index of a given method. |
|
688 * Places the result in the given buffer. |
|
689 * |
|
690 * The method is identified by method_index. |
|
691 */ |
|
692 JNIEXPORT void JNICALL |
|
693 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, |
|
694 jint entry_index, |
|
695 JVM_ExceptionTableEntryType *entry); |
|
696 |
|
697 /* |
|
698 * Returns the length of the exception table of a given method. |
|
699 * The method is identified by method_index. |
|
700 */ |
|
701 JNIEXPORT jint JNICALL |
|
702 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); |
|
703 |
|
704 /* |
|
705 * Returns the modifiers of a given field. |
|
706 * The field is identified by field_index. |
|
707 */ |
|
708 JNIEXPORT jint JNICALL |
|
709 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); |
|
710 |
|
711 /* |
|
712 * Returns the modifiers of a given method. |
|
713 * The method is identified by method_index. |
|
714 */ |
|
715 JNIEXPORT jint JNICALL |
|
716 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); |
|
717 |
|
718 /* |
|
719 * Returns the number of local variables of a given method. |
|
720 * The method is identified by method_index. |
|
721 */ |
|
722 JNIEXPORT jint JNICALL |
|
723 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); |
|
724 |
|
725 /* |
|
726 * Returns the number of arguments (including this pointer) of a given method. |
|
727 * The method is identified by method_index. |
|
728 */ |
|
729 JNIEXPORT jint JNICALL |
|
730 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); |
|
731 |
|
732 /* |
|
733 * Returns the maximum amount of stack (in words) used by a given method. |
|
734 * The method is identified by method_index. |
|
735 */ |
|
736 JNIEXPORT jint JNICALL |
|
737 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); |
|
738 |
|
739 /* |
|
740 * Is a given method a constructor. |
|
741 * The method is identified by method_index. |
|
742 */ |
|
743 JNIEXPORT jboolean JNICALL |
|
744 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); |
|
745 |
|
746 /* |
|
747 * Returns the name of a given method in UTF format. |
|
748 * The result remains valid until JVM_ReleaseUTF is called. |
|
749 * |
|
750 * The caller must treat the string as a constant and not modify it |
|
751 * in any way. |
|
752 */ |
|
753 JNIEXPORT const char * JNICALL |
|
754 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); |
|
755 |
|
756 /* |
|
757 * Returns the signature of a given method in UTF format. |
|
758 * The result remains valid until JVM_ReleaseUTF is called. |
|
759 * |
|
760 * The caller must treat the string as a constant and not modify it |
|
761 * in any way. |
|
762 */ |
|
763 JNIEXPORT const char * JNICALL |
|
764 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); |
|
765 |
|
766 /* |
|
767 * Returns the name of the field refered to at a given constant pool |
|
768 * index. |
|
769 * |
|
770 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
771 * is called. |
|
772 * |
|
773 * The caller must treat the string as a constant and not modify it |
|
774 * in any way. |
|
775 */ |
|
776 JNIEXPORT const char * JNICALL |
|
777 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); |
|
778 |
|
779 /* |
|
780 * Returns the name of the method refered to at a given constant pool |
|
781 * index. |
|
782 * |
|
783 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
784 * is called. |
|
785 * |
|
786 * The caller must treat the string as a constant and not modify it |
|
787 * in any way. |
|
788 */ |
|
789 JNIEXPORT const char * JNICALL |
|
790 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); |
|
791 |
|
792 /* |
|
793 * Returns the signature of the method refered to at a given constant pool |
|
794 * index. |
|
795 * |
|
796 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
797 * is called. |
|
798 * |
|
799 * The caller must treat the string as a constant and not modify it |
|
800 * in any way. |
|
801 */ |
|
802 JNIEXPORT const char * JNICALL |
|
803 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); |
|
804 |
|
805 /* |
|
806 * Returns the signature of the field refered to at a given constant pool |
|
807 * index. |
|
808 * |
|
809 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
810 * is called. |
|
811 * |
|
812 * The caller must treat the string as a constant and not modify it |
|
813 * in any way. |
|
814 */ |
|
815 JNIEXPORT const char * JNICALL |
|
816 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); |
|
817 |
|
818 /* |
|
819 * Returns the class name refered to at a given constant pool index. |
|
820 * |
|
821 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
822 * is called. |
|
823 * |
|
824 * The caller must treat the string as a constant and not modify it |
|
825 * in any way. |
|
826 */ |
|
827 JNIEXPORT const char * JNICALL |
|
828 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); |
|
829 |
|
830 /* |
|
831 * Returns the class name refered to at a given constant pool index. |
|
832 * |
|
833 * The constant pool entry must refer to a CONSTANT_Fieldref. |
|
834 * |
|
835 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
836 * is called. |
|
837 * |
|
838 * The caller must treat the string as a constant and not modify it |
|
839 * in any way. |
|
840 */ |
|
841 JNIEXPORT const char * JNICALL |
|
842 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); |
|
843 |
|
844 /* |
|
845 * Returns the class name refered to at a given constant pool index. |
|
846 * |
|
847 * The constant pool entry must refer to CONSTANT_Methodref or |
|
848 * CONSTANT_InterfaceMethodref. |
|
849 * |
|
850 * The result is in UTF format and remains valid until JVM_ReleaseUTF |
|
851 * is called. |
|
852 * |
|
853 * The caller must treat the string as a constant and not modify it |
|
854 * in any way. |
|
855 */ |
|
856 JNIEXPORT const char * JNICALL |
|
857 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); |
|
858 |
|
859 /* |
|
860 * Returns the modifiers of a field in calledClass. The field is |
|
861 * referred to in class cb at constant pool entry index. |
|
862 * |
|
863 * The caller must treat the string as a constant and not modify it |
|
864 * in any way. |
|
865 * |
|
866 * Returns -1 if the field does not exist in calledClass. |
|
867 */ |
|
868 JNIEXPORT jint JNICALL |
|
869 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); |
|
870 |
|
871 /* |
|
872 * Returns the modifiers of a method in calledClass. The method is |
|
873 * referred to in class cb at constant pool entry index. |
|
874 * |
|
875 * Returns -1 if the method does not exist in calledClass. |
|
876 */ |
|
877 JNIEXPORT jint JNICALL |
|
878 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); |
|
879 |
|
880 /* |
|
881 * Releases the UTF string obtained from the VM. |
|
882 */ |
|
883 JNIEXPORT void JNICALL |
|
884 JVM_ReleaseUTF(const char *utf); |
|
885 |
|
886 /* |
|
887 * Compare if two classes are in the same package. |
|
888 */ |
|
889 JNIEXPORT jboolean JNICALL |
|
890 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); |
|
891 |
|
892 /* Constants in class files */ |
|
893 |
|
894 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */ |
|
895 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */ |
|
896 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */ |
|
897 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */ |
|
898 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */ |
|
899 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */ |
|
900 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */ |
|
901 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */ |
|
902 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */ |
|
903 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */ |
|
904 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */ |
|
905 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */ |
|
906 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */ |
|
907 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */ |
|
908 #define JVM_ACC_STRICT 0x0800 /* strict floating point */ |
|
909 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */ |
|
910 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */ |
|
911 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */ |
|
912 |
|
913 #define JVM_ACC_PUBLIC_BIT 0 |
|
914 #define JVM_ACC_PRIVATE_BIT 1 |
|
915 #define JVM_ACC_PROTECTED_BIT 2 |
|
916 #define JVM_ACC_STATIC_BIT 3 |
|
917 #define JVM_ACC_FINAL_BIT 4 |
|
918 #define JVM_ACC_SYNCHRONIZED_BIT 5 |
|
919 #define JVM_ACC_SUPER_BIT 5 |
|
920 #define JVM_ACC_VOLATILE_BIT 6 |
|
921 #define JVM_ACC_BRIDGE_BIT 6 |
|
922 #define JVM_ACC_TRANSIENT_BIT 7 |
|
923 #define JVM_ACC_VARARGS_BIT 7 |
|
924 #define JVM_ACC_NATIVE_BIT 8 |
|
925 #define JVM_ACC_INTERFACE_BIT 9 |
|
926 #define JVM_ACC_ABSTRACT_BIT 10 |
|
927 #define JVM_ACC_STRICT_BIT 11 |
|
928 #define JVM_ACC_SYNTHETIC_BIT 12 |
|
929 #define JVM_ACC_ANNOTATION_BIT 13 |
|
930 #define JVM_ACC_ENUM_BIT 14 |
|
931 |
|
932 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java |
|
933 enum { |
|
934 JVM_CONSTANT_Utf8 = 1, |
|
935 JVM_CONSTANT_Unicode, /* unused */ |
|
936 JVM_CONSTANT_Integer, |
|
937 JVM_CONSTANT_Float, |
|
938 JVM_CONSTANT_Long, |
|
939 JVM_CONSTANT_Double, |
|
940 JVM_CONSTANT_Class, |
|
941 JVM_CONSTANT_String, |
|
942 JVM_CONSTANT_Fieldref, |
|
943 JVM_CONSTANT_Methodref, |
|
944 JVM_CONSTANT_InterfaceMethodref, |
|
945 JVM_CONSTANT_NameAndType |
|
946 }; |
|
947 |
|
948 /* Used in the newarray instruction. */ |
|
949 |
|
950 #define JVM_T_BOOLEAN 4 |
|
951 #define JVM_T_CHAR 5 |
|
952 #define JVM_T_FLOAT 6 |
|
953 #define JVM_T_DOUBLE 7 |
|
954 #define JVM_T_BYTE 8 |
|
955 #define JVM_T_SHORT 9 |
|
956 #define JVM_T_INT 10 |
|
957 #define JVM_T_LONG 11 |
|
958 |
|
959 /* JVM method signatures */ |
|
960 |
|
961 #define JVM_SIGNATURE_ARRAY '[' |
|
962 #define JVM_SIGNATURE_BYTE 'B' |
|
963 #define JVM_SIGNATURE_CHAR 'C' |
|
964 #define JVM_SIGNATURE_CLASS 'L' |
|
965 #define JVM_SIGNATURE_ENDCLASS ';' |
|
966 #define JVM_SIGNATURE_ENUM 'E' |
|
967 #define JVM_SIGNATURE_FLOAT 'F' |
|
968 #define JVM_SIGNATURE_DOUBLE 'D' |
|
969 #define JVM_SIGNATURE_FUNC '(' |
|
970 #define JVM_SIGNATURE_ENDFUNC ')' |
|
971 #define JVM_SIGNATURE_INT 'I' |
|
972 #define JVM_SIGNATURE_LONG 'J' |
|
973 #define JVM_SIGNATURE_SHORT 'S' |
|
974 #define JVM_SIGNATURE_VOID 'V' |
|
975 #define JVM_SIGNATURE_BOOLEAN 'Z' |
|
976 |
|
977 /* |
|
978 * A function defined by the byte-code verifier and called by the VM. |
|
979 * This is not a function implemented in the VM. |
|
980 * |
|
981 * Returns JNI_FALSE if verification fails. A detailed error message |
|
982 * will be places in msg_buf, whose length is specified by buf_len. |
|
983 */ |
|
984 typedef jboolean (*verifier_fn_t)(JNIEnv *env, |
|
985 jclass cb, |
|
986 char * msg_buf, |
|
987 jint buf_len); |
|
988 |
|
989 |
|
990 /* |
|
991 * Support for a VM-independent class format checker. |
|
992 */ |
|
993 typedef struct { |
|
994 unsigned long code; /* byte code */ |
|
995 unsigned long excs; /* exceptions */ |
|
996 unsigned long etab; /* catch table */ |
|
997 unsigned long lnum; /* line number */ |
|
998 unsigned long lvar; /* local vars */ |
|
999 } method_size_info; |
|
1000 |
|
1001 typedef struct { |
|
1002 unsigned int constants; /* constant pool */ |
|
1003 unsigned int fields; |
|
1004 unsigned int methods; |
|
1005 unsigned int interfaces; |
|
1006 unsigned int fields2; /* number of static 2-word fields */ |
|
1007 unsigned int innerclasses; /* # of records in InnerClasses attr */ |
|
1008 |
|
1009 method_size_info clinit; /* memory used in clinit */ |
|
1010 method_size_info main; /* used everywhere else */ |
|
1011 } class_size_info; |
|
1012 |
|
1013 /* |
|
1014 * Functions defined in libjava.so to perform string conversions. |
|
1015 * |
|
1016 */ |
|
1017 |
|
1018 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); |
|
1019 |
|
1020 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); |
|
1021 |
|
1022 /* This is the function defined in libjava.so that performs class |
|
1023 * format checks. This functions fills in size information about |
|
1024 * the class file and returns: |
|
1025 * |
|
1026 * 0: good |
|
1027 * -1: out of memory |
|
1028 * -2: bad format |
|
1029 * -3: unsupported version |
|
1030 * -4: bad class name |
|
1031 */ |
|
1032 |
|
1033 typedef jint (*check_format_fn_t)(char *class_name, |
|
1034 unsigned char *data, |
|
1035 unsigned int data_size, |
|
1036 class_size_info *class_size, |
|
1037 char *message_buffer, |
|
1038 jint buffer_length, |
|
1039 jboolean measure_only, |
|
1040 jboolean check_relaxed); |
|
1041 |
|
1042 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ |
|
1043 JVM_ACC_FINAL | \ |
|
1044 JVM_ACC_SUPER | \ |
|
1045 JVM_ACC_INTERFACE | \ |
|
1046 JVM_ACC_ABSTRACT | \ |
|
1047 JVM_ACC_ANNOTATION | \ |
|
1048 JVM_ACC_ENUM | \ |
|
1049 JVM_ACC_SYNTHETIC) |
|
1050 |
|
1051 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ |
|
1052 JVM_ACC_PRIVATE | \ |
|
1053 JVM_ACC_PROTECTED | \ |
|
1054 JVM_ACC_STATIC | \ |
|
1055 JVM_ACC_FINAL | \ |
|
1056 JVM_ACC_VOLATILE | \ |
|
1057 JVM_ACC_TRANSIENT | \ |
|
1058 JVM_ACC_ENUM | \ |
|
1059 JVM_ACC_SYNTHETIC) |
|
1060 |
|
1061 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ |
|
1062 JVM_ACC_PRIVATE | \ |
|
1063 JVM_ACC_PROTECTED | \ |
|
1064 JVM_ACC_STATIC | \ |
|
1065 JVM_ACC_FINAL | \ |
|
1066 JVM_ACC_SYNCHRONIZED | \ |
|
1067 JVM_ACC_BRIDGE | \ |
|
1068 JVM_ACC_VARARGS | \ |
|
1069 JVM_ACC_NATIVE | \ |
|
1070 JVM_ACC_ABSTRACT | \ |
|
1071 JVM_ACC_STRICT | \ |
|
1072 JVM_ACC_SYNTHETIC) |
|
1073 |
|
1074 /* |
|
1075 * This is the function defined in libjava.so to perform path |
|
1076 * canonicalization. VM call this function before opening jar files |
|
1077 * to load system classes. |
|
1078 * |
|
1079 */ |
|
1080 |
|
1081 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); |
|
1082 |
|
1083 /************************************************************************* |
|
1084 PART 3: I/O and Network Support |
|
1085 ************************************************************************/ |
|
1086 |
|
1087 /* Note that the JVM IO functions are expected to return JVM_IO_ERR |
|
1088 * when there is any kind of error. The caller can then use the |
|
1089 * platform specific support (e.g., errno) to get the detailed |
|
1090 * error info. The JVM_GetLastErrorString procedure may also be used |
|
1091 * to obtain a descriptive error string. |
|
1092 */ |
|
1093 #define JVM_IO_ERR (-1) |
|
1094 |
|
1095 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO |
|
1096 * operation has been disrupted by Thread.interrupt. There are a |
|
1097 * number of technical difficulties related to interruptible IO that |
|
1098 * need to be solved. For example, most existing programs do not handle |
|
1099 * InterruptedIOExceptions specially, they simply treat those as any |
|
1100 * IOExceptions, which typically indicate fatal errors. |
|
1101 * |
|
1102 * There are also two modes of operation for interruptible IO. In the |
|
1103 * resumption mode, an interrupted IO operation is guaranteed not to |
|
1104 * have any side-effects, and can be restarted. In the termination mode, |
|
1105 * an interrupted IO operation corrupts the underlying IO stream, so |
|
1106 * that the only reasonable operation on an interrupted stream is to |
|
1107 * close that stream. The resumption mode seems to be impossible to |
|
1108 * implement on Win32 and Solaris. Implementing the termination mode is |
|
1109 * easier, but it's not clear that's the right semantics. |
|
1110 * |
|
1111 * Interruptible IO is not supported on Win32.It can be enabled/disabled |
|
1112 * using a compile-time flag on Solaris. Third-party JVM ports do not |
|
1113 * need to implement interruptible IO. |
|
1114 */ |
|
1115 #define JVM_IO_INTR (-2) |
|
1116 |
|
1117 /* Write a string into the given buffer, in the platform's local encoding, |
|
1118 * that describes the most recent system-level error to occur in this thread. |
|
1119 * Return the length of the string or zero if no error occurred. |
|
1120 */ |
|
1121 JNIEXPORT jint JNICALL |
|
1122 JVM_GetLastErrorString(char *buf, int len); |
|
1123 |
|
1124 /* |
|
1125 * Convert a pathname into native format. This function does syntactic |
|
1126 * cleanup, such as removing redundant separator characters. It modifies |
|
1127 * the given pathname string in place. |
|
1128 */ |
|
1129 JNIEXPORT char * JNICALL |
|
1130 JVM_NativePath(char *); |
|
1131 |
|
1132 /* |
|
1133 * JVM I/O error codes |
|
1134 */ |
|
1135 #define JVM_EEXIST -100 |
|
1136 |
|
1137 /* |
|
1138 * Open a file descriptor. This function returns a negative error code |
|
1139 * on error, and a non-negative integer that is the file descriptor on |
|
1140 * success. |
|
1141 */ |
|
1142 JNIEXPORT jint JNICALL |
|
1143 JVM_Open(const char *fname, jint flags, jint mode); |
|
1144 |
|
1145 /* |
|
1146 * Close a file descriptor. This function returns -1 on error, and 0 |
|
1147 * on success. |
|
1148 * |
|
1149 * fd the file descriptor to close. |
|
1150 */ |
|
1151 JNIEXPORT jint JNICALL |
|
1152 JVM_Close(jint fd); |
|
1153 |
|
1154 /* |
|
1155 * Read data from a file decriptor into a char array. |
|
1156 * |
|
1157 * fd the file descriptor to read from. |
|
1158 * buf the buffer where to put the read data. |
|
1159 * nbytes the number of bytes to read. |
|
1160 * |
|
1161 * This function returns -1 on error, and 0 on success. |
|
1162 */ |
|
1163 JNIEXPORT jint JNICALL |
|
1164 JVM_Read(jint fd, char *buf, jint nbytes); |
|
1165 |
|
1166 /* |
|
1167 * Write data from a char array to a file decriptor. |
|
1168 * |
|
1169 * fd the file descriptor to read from. |
|
1170 * buf the buffer from which to fetch the data. |
|
1171 * nbytes the number of bytes to write. |
|
1172 * |
|
1173 * This function returns -1 on error, and 0 on success. |
|
1174 */ |
|
1175 JNIEXPORT jint JNICALL |
|
1176 JVM_Write(jint fd, char *buf, jint nbytes); |
|
1177 |
|
1178 /* |
|
1179 * Returns the number of bytes available for reading from a given file |
|
1180 * descriptor |
|
1181 */ |
|
1182 JNIEXPORT jint JNICALL |
|
1183 JVM_Available(jint fd, jlong *pbytes); |
|
1184 |
|
1185 /* |
|
1186 * Move the file descriptor pointer from whence by offset. |
|
1187 * |
|
1188 * fd the file descriptor to move. |
|
1189 * offset the number of bytes to move it by. |
|
1190 * whence the start from where to move it. |
|
1191 * |
|
1192 * This function returns the resulting pointer location. |
|
1193 */ |
|
1194 JNIEXPORT jlong JNICALL |
|
1195 JVM_Lseek(jint fd, jlong offset, jint whence); |
|
1196 |
|
1197 /* |
|
1198 * Set the length of the file associated with the given descriptor to the given |
|
1199 * length. If the new length is longer than the current length then the file |
|
1200 * is extended; the contents of the extended portion are not defined. The |
|
1201 * value of the file pointer is undefined after this procedure returns. |
|
1202 */ |
|
1203 JNIEXPORT jint JNICALL |
|
1204 JVM_SetLength(jint fd, jlong length); |
|
1205 |
|
1206 /* |
|
1207 * Synchronize the file descriptor's in memory state with that of the |
|
1208 * physical device. Return of -1 is an error, 0 is OK. |
|
1209 */ |
|
1210 JNIEXPORT jint JNICALL |
|
1211 JVM_Sync(jint fd); |
|
1212 |
|
1213 /* |
|
1214 * Networking library support |
|
1215 */ |
|
1216 |
|
1217 JNIEXPORT jint JNICALL |
|
1218 JVM_InitializeSocketLibrary(void); |
|
1219 |
|
1220 struct sockaddr; |
|
1221 |
|
1222 JNIEXPORT jint JNICALL |
|
1223 JVM_Socket(jint domain, jint type, jint protocol); |
|
1224 |
|
1225 JNIEXPORT jint JNICALL |
|
1226 JVM_SocketClose(jint fd); |
|
1227 |
|
1228 JNIEXPORT jint JNICALL |
|
1229 JVM_SocketShutdown(jint fd, jint howto); |
|
1230 |
|
1231 JNIEXPORT jint JNICALL |
|
1232 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags); |
|
1233 |
|
1234 JNIEXPORT jint JNICALL |
|
1235 JVM_Send(jint fd, char *buf, jint nBytes, jint flags); |
|
1236 |
|
1237 JNIEXPORT jint JNICALL |
|
1238 JVM_Timeout(int fd, long timeout); |
|
1239 |
|
1240 JNIEXPORT jint JNICALL |
|
1241 JVM_Listen(jint fd, jint count); |
|
1242 |
|
1243 JNIEXPORT jint JNICALL |
|
1244 JVM_Connect(jint fd, struct sockaddr *him, jint len); |
|
1245 |
|
1246 JNIEXPORT jint JNICALL |
|
1247 JVM_Bind(jint fd, struct sockaddr *him, jint len); |
|
1248 |
|
1249 JNIEXPORT jint JNICALL |
|
1250 JVM_Accept(jint fd, struct sockaddr *him, jint *len); |
|
1251 |
|
1252 JNIEXPORT jint JNICALL |
|
1253 JVM_RecvFrom(jint fd, char *buf, int nBytes, |
|
1254 int flags, struct sockaddr *from, int *fromlen); |
|
1255 |
|
1256 JNIEXPORT jint JNICALL |
|
1257 JVM_SendTo(jint fd, char *buf, int len, |
|
1258 int flags, struct sockaddr *to, int tolen); |
|
1259 |
|
1260 JNIEXPORT jint JNICALL |
|
1261 JVM_SocketAvailable(jint fd, jint *result); |
|
1262 |
|
1263 |
|
1264 JNIEXPORT jint JNICALL |
|
1265 JVM_GetSockName(jint fd, struct sockaddr *him, int *len); |
|
1266 |
|
1267 JNIEXPORT jint JNICALL |
|
1268 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen); |
|
1269 |
|
1270 JNIEXPORT jint JNICALL |
|
1271 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen); |
|
1272 |
|
1273 /* |
|
1274 * These routines are only reentrant on Windows |
|
1275 */ |
|
1276 |
|
1277 #ifdef _WINDOWS |
|
1278 |
|
1279 JNIEXPORT struct protoent * JNICALL |
|
1280 JVM_GetProtoByName(char* name); |
|
1281 |
|
1282 JNIEXPORT struct hostent* JNICALL |
|
1283 JVM_GetHostByAddr(const char* name, int len, int type); |
|
1284 |
|
1285 JNIEXPORT struct hostent* JNICALL |
|
1286 JVM_GetHostByName(char* name); |
|
1287 |
|
1288 #endif /* _WINDOWS */ |
|
1289 |
|
1290 JNIEXPORT int JNICALL |
|
1291 JVM_GetHostName(char* name, int namelen); |
|
1292 |
|
1293 /* |
|
1294 * The standard printing functions supported by the Java VM. (Should they |
|
1295 * be renamed to JVM_* in the future? |
|
1296 */ |
|
1297 |
|
1298 /* |
|
1299 * BE CAREFUL! The following functions do not implement the |
|
1300 * full feature set of standard C printf formats. |
|
1301 */ |
|
1302 int |
|
1303 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); |
|
1304 |
|
1305 int |
|
1306 jio_snprintf(char *str, size_t count, const char *fmt, ...); |
|
1307 |
|
1308 int |
|
1309 jio_fprintf(FILE *, const char *fmt, ...); |
|
1310 |
|
1311 int |
|
1312 jio_vfprintf(FILE *, const char *fmt, va_list args); |
|
1313 |
|
1314 |
|
1315 JNIEXPORT void * JNICALL |
|
1316 JVM_RawMonitorCreate(void); |
|
1317 |
|
1318 JNIEXPORT void JNICALL |
|
1319 JVM_RawMonitorDestroy(void *mon); |
|
1320 |
|
1321 JNIEXPORT jint JNICALL |
|
1322 JVM_RawMonitorEnter(void *mon); |
|
1323 |
|
1324 JNIEXPORT void JNICALL |
|
1325 JVM_RawMonitorExit(void *mon); |
|
1326 |
|
1327 |
|
1328 #ifdef SUPPORT_OLD_REFLECTION |
|
1329 |
|
1330 /* |
|
1331 * Support for old native code-based (pre-JDK 1.4) reflection implementation. |
|
1332 * Disabled by default in the product build. |
|
1333 * |
|
1334 * See reflection.hpp for information on SUPPORT_OLD_REFLECTION |
|
1335 */ |
|
1336 |
|
1337 /* |
|
1338 * reflecting fields and methods. |
|
1339 * which: 0 --- MEMBER_PUBLIC |
|
1340 * 1 --- MEMBER_DECLARED |
|
1341 * NOTE: absent in product build by default |
|
1342 */ |
|
1343 |
|
1344 JNIEXPORT jobjectArray JNICALL |
|
1345 JVM_GetClassFields(JNIEnv *env, jclass cls, jint which); |
|
1346 |
|
1347 JNIEXPORT jobjectArray JNICALL |
|
1348 JVM_GetClassMethods(JNIEnv *env, jclass cls, jint which); |
|
1349 |
|
1350 JNIEXPORT jobjectArray JNICALL |
|
1351 JVM_GetClassConstructors(JNIEnv *env, jclass cls, jint which); |
|
1352 |
|
1353 JNIEXPORT jobject JNICALL |
|
1354 JVM_GetClassField(JNIEnv *env, jclass cls, jstring name, jint which); |
|
1355 |
|
1356 JNIEXPORT jobject JNICALL |
|
1357 JVM_GetClassMethod(JNIEnv *env, jclass cls, jstring name, jobjectArray types, |
|
1358 jint which); |
|
1359 JNIEXPORT jobject JNICALL |
|
1360 JVM_GetClassConstructor(JNIEnv *env, jclass cls, jobjectArray types, |
|
1361 jint which); |
|
1362 |
|
1363 /* |
|
1364 * Implements Class.newInstance |
|
1365 */ |
|
1366 JNIEXPORT jobject JNICALL |
|
1367 JVM_NewInstance(JNIEnv *env, jclass cls); |
|
1368 |
|
1369 /* |
|
1370 * java.lang.reflect.Field |
|
1371 */ |
|
1372 JNIEXPORT jobject JNICALL |
|
1373 JVM_GetField(JNIEnv *env, jobject field, jobject obj); |
|
1374 |
|
1375 JNIEXPORT jvalue JNICALL |
|
1376 JVM_GetPrimitiveField(JNIEnv *env, jobject field, jobject obj, |
|
1377 unsigned char wCode); |
|
1378 |
|
1379 JNIEXPORT void JNICALL |
|
1380 JVM_SetField(JNIEnv *env, jobject field, jobject obj, jobject val); |
|
1381 |
|
1382 JNIEXPORT void JNICALL |
|
1383 JVM_SetPrimitiveField(JNIEnv *env, jobject field, jobject obj, jvalue v, |
|
1384 unsigned char vCode); |
|
1385 |
|
1386 /* |
|
1387 * java.lang.reflect.Method |
|
1388 */ |
|
1389 JNIEXPORT jobject JNICALL |
|
1390 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); |
|
1391 |
|
1392 /* |
|
1393 * java.lang.reflect.Constructor |
|
1394 */ |
|
1395 JNIEXPORT jobject JNICALL |
|
1396 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); |
|
1397 |
|
1398 #endif /* SUPPORT_OLD_REFLECTION */ |
|
1399 |
|
1400 /* |
|
1401 * java.lang.management support |
|
1402 */ |
|
1403 JNIEXPORT void* JNICALL |
|
1404 JVM_GetManagement(jint version); |
|
1405 |
|
1406 /* |
|
1407 * com.sun.tools.attach.VirtualMachine support |
|
1408 * |
|
1409 * Initialize the agent properties with the properties maintained in the VM. |
|
1410 */ |
|
1411 JNIEXPORT jobject JNICALL |
|
1412 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); |
|
1413 |
|
1414 /* Generics reflection support. |
|
1415 * |
|
1416 * Returns information about the given class's EnclosingMethod |
|
1417 * attribute, if present, or null if the class had no enclosing |
|
1418 * method. |
|
1419 * |
|
1420 * If non-null, the returned array contains three elements. Element 0 |
|
1421 * is the java.lang.Class of which the enclosing method is a member, |
|
1422 * and elements 1 and 2 are the java.lang.Strings for the enclosing |
|
1423 * method's name and descriptor, respectively. |
|
1424 */ |
|
1425 JNIEXPORT jobjectArray JNICALL |
|
1426 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); |
|
1427 |
|
1428 /* |
|
1429 * Java thread state support |
|
1430 */ |
|
1431 enum { |
|
1432 JAVA_THREAD_STATE_NEW = 0, |
|
1433 JAVA_THREAD_STATE_RUNNABLE = 1, |
|
1434 JAVA_THREAD_STATE_BLOCKED = 2, |
|
1435 JAVA_THREAD_STATE_WAITING = 3, |
|
1436 JAVA_THREAD_STATE_TIMED_WAITING = 4, |
|
1437 JAVA_THREAD_STATE_TERMINATED = 5, |
|
1438 JAVA_THREAD_STATE_COUNT = 6 |
|
1439 }; |
|
1440 |
|
1441 /* |
|
1442 * Returns an array of the threadStatus values representing the |
|
1443 * given Java thread state. Returns NULL if the VM version is |
|
1444 * incompatible with the JDK or doesn't support the given |
|
1445 * Java thread state. |
|
1446 */ |
|
1447 JNIEXPORT jintArray JNICALL |
|
1448 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState); |
|
1449 |
|
1450 /* |
|
1451 * Returns an array of the substate names representing the |
|
1452 * given Java thread state. Returns NULL if the VM version is |
|
1453 * incompatible with the JDK or the VM doesn't support |
|
1454 * the given Java thread state. |
|
1455 * values must be the jintArray returned from JVM_GetThreadStateValues |
|
1456 * and javaThreadState. |
|
1457 */ |
|
1458 JNIEXPORT jobjectArray JNICALL |
|
1459 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values); |
|
1460 |
|
1461 /* ========================================================================= |
|
1462 * The following defines a private JVM interface that the JDK can query |
|
1463 * for the JVM version and capabilities. sun.misc.Version defines |
|
1464 * the methods for getting the VM version and its capabilities. |
|
1465 * |
|
1466 * When a new bit is added, the following should be updated to provide |
|
1467 * access to the new capability: |
|
1468 * HS: JVM_GetVersionInfo and Abstract_VM_Version class |
|
1469 * SDK: Version class |
|
1470 * |
|
1471 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for |
|
1472 * JVM to query for the JDK version and capabilities. |
|
1473 * |
|
1474 * When a new bit is added, the following should be updated to provide |
|
1475 * access to the new capability: |
|
1476 * HS: JDK_Version class |
|
1477 * SDK: JDK_GetVersionInfo0 |
|
1478 * |
|
1479 * ========================================================================== |
|
1480 */ |
|
1481 typedef struct { |
|
1482 /* HotSpot Express VM version string: |
|
1483 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>] |
|
1484 */ |
|
1485 unsigned int jvm_version; /* Consists of major.minor.0.build */ |
|
1486 unsigned int update_version : 8; /* 0 in HotSpot Express VM */ |
|
1487 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */ |
|
1488 unsigned int reserved1 : 16; |
|
1489 unsigned int reserved2; |
|
1490 |
|
1491 /* The following bits represents JVM supports that JDK has dependency on. |
|
1492 * JDK can use these bits to determine which JVM version |
|
1493 * and support it has to maintain runtime compatibility. |
|
1494 * |
|
1495 * When a new bit is added in a minor or update release, make sure |
|
1496 * the new bit is also added in the main/baseline. |
|
1497 */ |
|
1498 unsigned int is_attachable : 1; |
|
1499 unsigned int is_kernel_jvm : 1; |
|
1500 unsigned int : 30; |
|
1501 unsigned int : 32; |
|
1502 unsigned int : 32; |
|
1503 } jvm_version_info; |
|
1504 |
|
1505 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) |
|
1506 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) |
|
1507 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp). |
|
1508 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8) |
|
1509 /* Build number is available in all HotSpot Express VM builds. |
|
1510 * It is defined in make/hotspot_version file. |
|
1511 */ |
|
1512 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) |
|
1513 |
|
1514 JNIEXPORT void JNICALL |
|
1515 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); |
|
1516 |
|
1517 typedef struct { |
|
1518 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx |
|
1519 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */ |
|
1520 /* and build number (xx) */ |
|
1521 unsigned int update_version : 8; /* Update release version (uu) */ |
|
1522 unsigned int special_update_version : 8; /* Special update release version (c)*/ |
|
1523 unsigned int reserved1 : 16; |
|
1524 unsigned int reserved2; |
|
1525 |
|
1526 /* The following bits represents new JDK supports that VM has dependency on. |
|
1527 * VM implementation can use these bits to determine which JDK version |
|
1528 * and support it has to maintain runtime compatibility. |
|
1529 * |
|
1530 * When a new bit is added in a minor or update release, make sure |
|
1531 * the new bit is also added in the main/baseline. |
|
1532 */ |
|
1533 unsigned int thread_park_blocker : 1; |
|
1534 unsigned int : 31; |
|
1535 unsigned int : 32; |
|
1536 unsigned int : 32; |
|
1537 } jdk_version_info; |
|
1538 |
|
1539 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) |
|
1540 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) |
|
1541 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8) |
|
1542 |
|
1543 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN) |
|
1544 * It will be zero for internal builds. |
|
1545 */ |
|
1546 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) |
|
1547 |
|
1548 /* |
|
1549 * This is the function JDK_GetVersionInfo0 defined in libjava.so |
|
1550 * that is dynamically looked up by JVM. |
|
1551 */ |
|
1552 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); |
|
1553 |
|
1554 /* |
|
1555 * This structure is used by the launcher to get the default thread |
|
1556 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a |
|
1557 * version of 1.1. As it is not supported otherwise, it has been removed |
|
1558 * from jni.h |
|
1559 */ |
|
1560 typedef struct JDK1_1InitArgs { |
|
1561 jint version; |
|
1562 |
|
1563 char **properties; |
|
1564 jint checkSource; |
|
1565 jint nativeStackSize; |
|
1566 jint javaStackSize; |
|
1567 jint minHeapSize; |
|
1568 jint maxHeapSize; |
|
1569 jint verifyMode; |
|
1570 char *classpath; |
|
1571 |
|
1572 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); |
|
1573 void (JNICALL *exit)(jint code); |
|
1574 void (JNICALL *abort)(void); |
|
1575 |
|
1576 jint enableClassGC; |
|
1577 jint enableVerboseGC; |
|
1578 jint disableAsyncGC; |
|
1579 jint verbose; |
|
1580 jboolean debugging; |
|
1581 jint debugPort; |
|
1582 } JDK1_1InitArgs; |
|
1583 |
|
1584 #ifdef __cplusplus |
|
1585 } /* extern "C" */ |
|
1586 #endif /* __cplusplus */ |
|
1587 |
|
1588 #endif /* !_JAVASOFT_JVM_H_ */ |