Mercurial > hg > graal-compiler
annotate src/share/vm/graal/graalRuntime.cpp @ 15870:fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 23 May 2014 19:36:34 +0200 |
| parents | b7fb36e57da8 |
| children | a9810ed7cad2 |
| rev | line source |
|---|---|
| 7221 | 1 /* |
| 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 #include "precompiled.hpp" | |
| 7735 | 25 #include "asm/codeBuffer.hpp" |
| 7221 | 26 #include "graal/graalRuntime.hpp" |
| 27 #include "graal/graalVMToCompiler.hpp" | |
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28 #include "graal/graalCompilerToVM.hpp" |
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29 #include "graal/graalJavaAccess.hpp" |
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30 #include "graal/graalEnv.hpp" |
| 7735 | 31 #include "memory/oopFactory.hpp" |
| 32 #include "prims/jvm.h" | |
| 7221 | 33 #include "runtime/biasedLocking.hpp" |
| 7735 | 34 #include "runtime/interfaceSupport.hpp" |
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35 #include "runtime/arguments.hpp" |
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36 #include "runtime/reflection.hpp" |
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37 #include "utilities/debug.hpp" |
| 7221 | 38 |
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39 address GraalRuntime::_external_deopt_i2c_entry = NULL; |
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40 |
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41 void GraalRuntime::initialize_natives(JNIEnv *env, jclass c2vmClass) { |
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42 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); |
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43 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; |
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44 AMD64_ONLY(guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)")); |
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45 NOT_LP64(error("check TLAB allocation code for address space conflicts")); |
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46 |
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47 JavaThread* THREAD = JavaThread::current(); |
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48 { |
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49 ThreadToNativeFromVM trans(THREAD); |
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50 |
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51 ResourceMark rm; |
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52 HandleMark hm; |
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53 |
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54 graal_compute_offsets(); |
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55 |
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56 _external_deopt_i2c_entry = create_external_deopt_i2c(); |
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57 |
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58 // Ensure _non_oop_bits is initialized |
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59 Universe::non_oop_word(); |
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60 |
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61 env->RegisterNatives(c2vmClass, CompilerToVM_methods, CompilerToVM_methods_count()); |
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62 } |
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63 check_pending_exception("Could not register natives"); |
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64 } |
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65 |
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66 BufferBlob* GraalRuntime::initialize_buffer_blob() { |
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67 JavaThread* THREAD = JavaThread::current(); |
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68 BufferBlob* buffer_blob = THREAD->get_buffer_blob(); |
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69 if (buffer_blob == NULL) { |
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70 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); |
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71 if (buffer_blob != NULL) { |
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72 THREAD->set_buffer_blob(buffer_blob); |
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73 } |
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74 } |
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75 return buffer_blob; |
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76 } |
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77 |
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78 address GraalRuntime::create_external_deopt_i2c() { |
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79 ResourceMark rm; |
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80 BufferBlob* buffer = BufferBlob::create("externalDeopt", 1*K); |
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81 CodeBuffer cb(buffer); |
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82 short buffer_locs[20]; |
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83 cb.insts()->initialize_shared_locs((relocInfo*)buffer_locs, sizeof(buffer_locs)/sizeof(relocInfo)); |
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84 MacroAssembler masm(&cb); |
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85 |
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86 int total_args_passed = 5; |
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87 |
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88 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
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89 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
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90 int i = 0; |
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91 sig_bt[i++] = T_INT; |
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92 sig_bt[i++] = T_LONG; |
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93 sig_bt[i++] = T_VOID; // long stakes 2 slots |
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94 sig_bt[i++] = T_INT; |
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95 sig_bt[i++] = T_OBJECT; |
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96 |
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97 int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); |
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98 |
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99 SharedRuntime::gen_i2c_adapter(&masm, total_args_passed, comp_args_on_stack, sig_bt, regs); |
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100 masm.flush(); |
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101 |
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102 return AdapterBlob::create(&cb)->content_begin(); |
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103 } |
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104 |
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105 BasicType GraalRuntime::kindToBasicType(jchar ch) { |
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106 switch(ch) { |
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107 case 'z': return T_BOOLEAN; |
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108 case 'b': return T_BYTE; |
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109 case 's': return T_SHORT; |
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110 case 'c': return T_CHAR; |
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111 case 'i': return T_INT; |
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112 case 'f': return T_FLOAT; |
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113 case 'j': return T_LONG; |
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114 case 'd': return T_DOUBLE; |
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115 case 'a': return T_OBJECT; |
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116 case 'r': return T_ADDRESS; |
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117 case '-': return T_ILLEGAL; |
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118 default: |
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119 fatal(err_msg("unexpected Kind: %c", ch)); |
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120 break; |
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121 } |
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122 return T_ILLEGAL; |
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123 } |
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124 |
| 7221 | 125 // Simple helper to see if the caller of a runtime stub which |
| 126 // entered the VM has been deoptimized | |
| 127 | |
| 128 static bool caller_is_deopted() { | |
| 129 JavaThread* thread = JavaThread::current(); | |
| 130 RegisterMap reg_map(thread, false); | |
| 131 frame runtime_frame = thread->last_frame(); | |
| 132 frame caller_frame = runtime_frame.sender(®_map); | |
| 133 assert(caller_frame.is_compiled_frame(), "must be compiled"); | |
| 134 return caller_frame.is_deoptimized_frame(); | |
| 135 } | |
| 136 | |
| 137 // Stress deoptimization | |
| 138 static void deopt_caller() { | |
| 139 if ( !caller_is_deopted()) { | |
| 140 JavaThread* thread = JavaThread::current(); | |
| 141 RegisterMap reg_map(thread, false); | |
| 142 frame runtime_frame = thread->last_frame(); | |
| 143 frame caller_frame = runtime_frame.sender(®_map); | |
| 144 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); | |
| 145 assert(caller_is_deopted(), "Must be deoptimized"); | |
| 146 } | |
| 147 } | |
| 148 | |
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149 JRT_BLOCK_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) |
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150 JRT_BLOCK; |
| 7221 | 151 assert(klass->is_klass(), "not a class"); |
| 152 instanceKlassHandle h(thread, klass); | |
| 153 h->check_valid_for_instantiation(true, CHECK); | |
| 154 // make sure klass is initialized | |
| 155 h->initialize(CHECK); | |
| 156 // allocate instance and return via TLS | |
| 157 oop obj = h->allocate_instance(CHECK); | |
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158 thread->set_vm_result(obj); |
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159 JRT_BLOCK_END; |
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160 |
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161 if (GraalDeferredInitBarriers) { |
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162 new_store_pre_barrier(thread); |
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163 } |
| 7221 | 164 JRT_END |
| 165 | |
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166 JRT_BLOCK_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) |
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167 JRT_BLOCK; |
| 7221 | 168 // Note: no handle for klass needed since they are not used |
| 169 // anymore after new_objArray() and no GC can happen before. | |
| 170 // (This may have to change if this code changes!) | |
| 171 assert(array_klass->is_klass(), "not a class"); | |
| 172 oop obj; | |
| 173 if (array_klass->oop_is_typeArray()) { | |
| 174 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); | |
| 175 obj = oopFactory::new_typeArray(elt_type, length, CHECK); | |
| 176 } else { | |
| 177 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); | |
| 178 obj = oopFactory::new_objArray(elem_klass, length, CHECK); | |
| 179 } | |
| 180 thread->set_vm_result(obj); | |
| 181 // This is pretty rare but this runtime patch is stressful to deoptimization | |
| 182 // if we deoptimize here so force a deopt to stress the path. | |
| 183 if (DeoptimizeALot) { | |
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184 static int deopts = 0; |
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185 // Alternate between deoptimizing and raising an error (which will also cause a deopt) |
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186 if (deopts++ % 2 == 0) { |
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187 ResourceMark rm(THREAD); |
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188 THROW(vmSymbols::java_lang_OutOfMemoryError()); |
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189 } else { |
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190 deopt_caller(); |
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191 } |
| 7221 | 192 } |
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193 JRT_BLOCK_END; |
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194 |
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195 if (GraalDeferredInitBarriers) { |
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196 new_store_pre_barrier(thread); |
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197 } |
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198 JRT_END |
| 7221 | 199 |
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200 void GraalRuntime::new_store_pre_barrier(JavaThread* thread) { |
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201 // After any safepoint, just before going back to compiled code, |
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202 // we inform the GC that we will be doing initializing writes to |
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203 // this object in the future without emitting card-marks, so |
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204 // GC may take any compensating steps. |
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205 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
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206 |
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207 oop new_obj = thread->vm_result(); |
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208 if (new_obj == NULL) return; |
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209 |
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210 assert(Universe::heap()->can_elide_tlab_store_barriers(), |
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211 "compiler must check this first"); |
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212 // GC may decide to give back a safer copy of new_obj. |
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213 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
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214 thread->set_vm_result(new_obj); |
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215 } |
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216 |
| 7221 | 217 JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) |
| 218 assert(klass->is_klass(), "not a class"); | |
| 219 assert(rank >= 1, "rank must be nonzero"); | |
| 220 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); | |
| 221 thread->set_vm_result(obj); | |
| 222 JRT_END | |
| 223 | |
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224 JRT_ENTRY(void, GraalRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length)) |
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225 oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK); |
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226 thread->set_vm_result(obj); |
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227 JRT_END |
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228 |
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229 JRT_ENTRY(void, GraalRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror)) |
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230 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror)); |
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231 |
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232 if (klass == NULL) { |
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233 ResourceMark rm(THREAD); |
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234 THROW(vmSymbols::java_lang_InstantiationException()); |
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235 } |
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236 |
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237 // Create new instance (the receiver) |
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238 klass->check_valid_for_instantiation(false, CHECK); |
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239 |
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240 // Make sure klass gets initialized |
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241 klass->initialize(CHECK); |
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242 |
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243 oop obj = klass->allocate_instance(CHECK); |
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244 thread->set_vm_result(obj); |
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245 JRT_END |
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246 |
| 7221 | 247 extern void vm_exit(int code); |
| 248 | |
| 249 // Enter this method from compiled code handler below. This is where we transition | |
| 250 // to VM mode. This is done as a helper routine so that the method called directly | |
| 251 // from compiled code does not have to transition to VM. This allows the entry | |
| 252 // method to see if the nmethod that we have just looked up a handler for has | |
| 253 // been deoptimized while we were in the vm. This simplifies the assembly code | |
| 254 // cpu directories. | |
| 255 // | |
| 256 // We are entering here from exception stub (via the entry method below) | |
| 257 // If there is a compiled exception handler in this method, we will continue there; | |
| 258 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 259 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to | |
| 260 // control the area where we can allow a safepoint. After we exit the safepoint area we can | |
| 261 // check to see if the handler we are going to return is now in a nmethod that has | |
| 262 // been deoptimized. If that is the case we return the deopt blob | |
| 263 // unpack_with_exception entry instead. This makes life for the exception blob easier | |
| 264 // because making that same check and diverting is painful from assembly language. | |
| 265 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) | |
| 266 // Reset method handle flag. | |
| 267 thread->set_is_method_handle_return(false); | |
| 268 | |
| 269 Handle exception(thread, ex); | |
| 270 nm = CodeCache::find_nmethod(pc); | |
| 271 assert(nm != NULL, "this is not an nmethod"); | |
| 272 // Adjust the pc as needed/ | |
| 273 if (nm->is_deopt_pc(pc)) { | |
| 274 RegisterMap map(thread, false); | |
| 275 frame exception_frame = thread->last_frame().sender(&map); | |
| 276 // if the frame isn't deopted then pc must not correspond to the caller of last_frame | |
| 277 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); | |
| 278 pc = exception_frame.pc(); | |
| 279 } | |
| 280 #ifdef ASSERT | |
| 281 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); | |
| 282 assert(exception->is_oop(), "just checking"); | |
| 283 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError | |
| 284 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { | |
| 285 if (ExitVMOnVerifyError) vm_exit(-1); | |
| 286 ShouldNotReachHere(); | |
| 287 } | |
| 288 #endif | |
| 289 | |
| 290 // Check the stack guard pages and reenable them if necessary and there is | |
| 291 // enough space on the stack to do so. Use fast exceptions only if the guard | |
| 292 // pages are enabled. | |
| 293 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); | |
| 294 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); | |
| 295 | |
| 296 if (JvmtiExport::can_post_on_exceptions()) { | |
| 297 // To ensure correct notification of exception catches and throws | |
| 298 // we have to deoptimize here. If we attempted to notify the | |
| 299 // catches and throws during this exception lookup it's possible | |
| 300 // we could deoptimize on the way out of the VM and end back in | |
| 301 // the interpreter at the throw site. This would result in double | |
| 302 // notifications since the interpreter would also notify about | |
| 303 // these same catches and throws as it unwound the frame. | |
| 304 | |
| 305 RegisterMap reg_map(thread); | |
| 306 frame stub_frame = thread->last_frame(); | |
| 307 frame caller_frame = stub_frame.sender(®_map); | |
| 308 | |
| 309 // We don't really want to deoptimize the nmethod itself since we | |
| 310 // can actually continue in the exception handler ourselves but I | |
| 311 // don't see an easy way to have the desired effect. | |
| 312 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); | |
| 313 assert(caller_is_deopted(), "Must be deoptimized"); | |
| 314 | |
| 315 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); | |
| 316 } | |
| 317 | |
| 318 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions | |
| 319 if (guard_pages_enabled) { | |
| 320 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); | |
| 321 if (fast_continuation != NULL) { | |
| 322 // Set flag if return address is a method handle call site. | |
| 323 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); | |
| 324 return fast_continuation; | |
| 325 } | |
| 326 } | |
| 327 | |
| 328 // If the stack guard pages are enabled, check whether there is a handler in | |
| 329 // the current method. Otherwise (guard pages disabled), force an unwind and | |
| 330 // skip the exception cache update (i.e., just leave continuation==NULL). | |
| 331 address continuation = NULL; | |
| 332 if (guard_pages_enabled) { | |
| 333 | |
| 334 // New exception handling mechanism can support inlined methods | |
| 335 // with exception handlers since the mappings are from PC to PC | |
| 336 | |
| 337 // debugging support | |
| 338 // tracing | |
| 339 if (TraceExceptions) { | |
| 340 ttyLocker ttyl; | |
| 341 ResourceMark rm; | |
| 342 int offset = pc - nm->code_begin(); | |
| 343 tty->print_cr("Exception <%s> (0x%x) thrown in compiled method <%s> at PC " PTR_FORMAT " [" PTR_FORMAT "+%d] for thread 0x%x", | |
| 344 exception->print_value_string(), (address)exception(), nm->method()->print_value_string(), pc, nm->code_begin(), offset, thread); | |
| 345 } | |
| 346 // for AbortVMOnException flag | |
| 347 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 348 | |
| 349 // Clear out the exception oop and pc since looking up an | |
| 350 // exception handler can cause class loading, which might throw an | |
| 351 // exception and those fields are expected to be clear during | |
| 352 // normal bytecode execution. | |
| 353 thread->set_exception_oop(NULL); | |
| 354 thread->set_exception_pc(NULL); | |
| 355 | |
| 356 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); | |
| 357 // If an exception was thrown during exception dispatch, the exception oop may have changed | |
| 358 thread->set_exception_oop(exception()); | |
| 359 thread->set_exception_pc(pc); | |
| 360 | |
| 361 // the exception cache is used only by non-implicit exceptions | |
| 362 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { | |
| 363 nm->add_handler_for_exception_and_pc(exception, pc, continuation); | |
| 364 } | |
| 365 } | |
| 366 | |
| 367 // Set flag if return address is a method handle call site. | |
| 368 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); | |
| 369 | |
| 370 if (TraceExceptions) { | |
| 371 ttyLocker ttyl; | |
| 372 ResourceMark rm; | |
| 373 tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, | |
| 374 thread, continuation, pc); | |
| 375 } | |
| 376 | |
| 377 return continuation; | |
| 378 JRT_END | |
| 379 | |
| 380 // Enter this method from compiled code only if there is a Java exception handler | |
| 381 // in the method handling the exception. | |
| 382 // We are entering here from exception stub. We don't do a normal VM transition here. | |
| 383 // We do it in a helper. This is so we can check to see if the nmethod we have just | |
| 384 // searched for an exception handler has been deoptimized in the meantime. | |
| 385 address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { | |
| 386 oop exception = thread->exception_oop(); | |
| 387 address pc = thread->exception_pc(); | |
| 388 // Still in Java mode | |
| 389 DEBUG_ONLY(ResetNoHandleMark rnhm); | |
| 390 nmethod* nm = NULL; | |
| 391 address continuation = NULL; | |
| 392 { | |
| 393 // Enter VM mode by calling the helper | |
| 394 ResetNoHandleMark rnhm; | |
| 395 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); | |
| 396 } | |
| 397 // Back in JAVA, use no oops DON'T safepoint | |
| 398 | |
| 399 // Now check to see if the nmethod we were called from is now deoptimized. | |
| 400 // If so we must return to the deopt blob and deoptimize the nmethod | |
| 401 if (nm != NULL && caller_is_deopted()) { | |
| 402 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); | |
| 403 } | |
| 404 | |
| 405 assert(continuation != NULL, "no handler found"); | |
| 406 return continuation; | |
| 407 } | |
| 408 | |
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409 JRT_ENTRY(void, GraalRuntime::create_null_exception(JavaThread* thread)) |
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410 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); |
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411 thread->set_vm_result(PENDING_EXCEPTION); |
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412 CLEAR_PENDING_EXCEPTION; |
| 7221 | 413 JRT_END |
| 414 | |
|
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changeset
|
415 JRT_ENTRY(void, GraalRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) |
| 7221 | 416 char message[jintAsStringSize]; |
| 417 sprintf(message, "%d", index); | |
|
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changeset
|
418 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message); |
|
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|
419 thread->set_vm_result(PENDING_EXCEPTION); |
|
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|
420 CLEAR_PENDING_EXCEPTION; |
| 7221 | 421 JRT_END |
| 422 | |
|
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diff
changeset
|
423 JRT_ENTRY_NO_ASYNC(void, GraalRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
| 7221 | 424 if (TraceGraal >= 3) { |
| 425 char type[O_BUFLEN]; | |
| 426 obj->klass()->name()->as_C_string(type, O_BUFLEN); | |
| 427 markOop mark = obj->mark(); | |
| 428 tty->print_cr("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, mark, lock); | |
| 429 tty->flush(); | |
| 430 } | |
| 431 #ifdef ASSERT | |
| 432 if (PrintBiasedLockingStatistics) { | |
| 433 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); | |
| 434 } | |
| 435 #endif | |
| 436 Handle h_obj(thread, obj); | |
| 437 assert(h_obj()->is_oop(), "must be NULL or an object"); | |
| 438 if (UseBiasedLocking) { | |
| 439 // Retry fast entry if bias is revoked to avoid unnecessary inflation | |
| 440 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); | |
| 441 } else { | |
| 7226 | 442 if (GraalUseFastLocking) { |
| 7221 | 443 // When using fast locking, the compiled code has already tried the fast case |
| 444 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); | |
| 445 } else { | |
| 446 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); | |
| 447 } | |
| 448 } | |
| 449 if (TraceGraal >= 3) { | |
| 450 tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), obj); | |
| 451 } | |
| 452 JRT_END | |
| 453 | |
|
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|
454 JRT_LEAF(void, GraalRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
| 7221 | 455 assert(thread == JavaThread::current(), "threads must correspond"); |
| 456 assert(thread->last_Java_sp(), "last_Java_sp must be set"); | |
| 457 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown | |
| 458 EXCEPTION_MARK; | |
| 459 | |
| 460 #ifdef DEBUG | |
| 461 if (!obj->is_oop()) { | |
| 462 ResetNoHandleMark rhm; | |
| 463 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); | |
| 464 if (method != NULL) { | |
| 465 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), obj); | |
| 466 } | |
| 467 thread->print_stack_on(tty); | |
| 468 assert(false, "invalid lock object pointer dected"); | |
| 469 } | |
| 470 #endif | |
| 471 | |
| 7226 | 472 if (GraalUseFastLocking) { |
| 7221 | 473 // When using fast locking, the compiled code has already tried the fast case |
| 474 ObjectSynchronizer::slow_exit(obj, lock, THREAD); | |
| 475 } else { | |
| 476 ObjectSynchronizer::fast_exit(obj, lock, THREAD); | |
| 477 } | |
| 478 if (TraceGraal >= 3) { | |
| 479 char type[O_BUFLEN]; | |
| 480 obj->klass()->name()->as_C_string(type, O_BUFLEN); | |
| 481 tty->print_cr("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, obj->mark(), lock); | |
| 482 tty->flush(); | |
| 483 } | |
| 484 JRT_END | |
| 485 | |
|
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486 JRT_ENTRY(void, GraalRuntime::log_object(JavaThread* thread, oopDesc* obj, jint flags)) |
| 7221 | 487 bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); |
|
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488 bool addr = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); |
| 7221 | 489 bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); |
| 490 if (!string) { | |
|
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491 if (!addr && obj->is_oop_or_null(true)) { |
| 7221 | 492 char buf[O_BUFLEN]; |
|
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493 tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), (address)obj); |
| 7221 | 494 } else { |
|
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|
495 tty->print("%p", (address)obj); |
| 7221 | 496 } |
| 497 } else { | |
| 498 ResourceMark rm; | |
| 499 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); | |
| 500 char *buf = java_lang_String::as_utf8_string(obj); | |
| 501 tty->print(buf); | |
| 502 } | |
| 503 if (newline) { | |
| 504 tty->cr(); | |
| 505 } | |
| 506 JRT_END | |
| 507 | |
|
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Christos Kotselidis <christos.kotselidis@oracle.com>
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508 JRT_LEAF(void, GraalRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj)) |
|
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509 thread->satb_mark_queue().enqueue(obj); |
|
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510 JRT_END |
|
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|
511 |
|
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|
512 JRT_LEAF(void, GraalRuntime::write_barrier_post(JavaThread* thread, void* card_addr)) |
|
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|
513 thread->dirty_card_queue().enqueue(card_addr); |
|
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514 JRT_END |
|
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|
515 |
|
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|
516 JRT_LEAF(jboolean, GraalRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child)) |
|
10953
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Add heap sanity checker with premature hard crash for debugging write barriers
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|
517 bool ret = true; |
|
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518 if(!Universe::heap()->is_in_closed_subset(parent)) { |
|
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519 tty->print_cr("Parent Object "INTPTR_FORMAT" not in heap", parent); |
|
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520 parent->print(); |
|
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521 ret=false; |
|
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522 } |
|
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523 if(!Universe::heap()->is_in_closed_subset(child)) { |
|
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524 tty->print_cr("Child Object "INTPTR_FORMAT" not in heap", child); |
|
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525 child->print(); |
|
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|
526 ret=false; |
|
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|
527 } |
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|
528 return (jint)ret; |
|
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|
529 JRT_END |
|
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changeset
|
530 |
|
14731
0cb5c4d276d4
use raw data support to fix incorrect use of String.intern() for embedding strings in code
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
531 JRT_ENTRY(void, GraalRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value)) |
| 7221 | 532 ResourceMark rm; |
|
14731
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parents:
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diff
changeset
|
533 const char *error_msg = where == 0L ? "<internal Graal error>" : (char*) (address) where; |
| 7221 | 534 char *detail_msg = NULL; |
|
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diff
changeset
|
535 if (format != 0L) { |
|
0cb5c4d276d4
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Doug Simon <doug.simon@oracle.com>
parents:
14608
diff
changeset
|
536 const char* buf = (char*) (address) format; |
| 7221 | 537 size_t detail_msg_length = strlen(buf) * 2; |
| 538 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); | |
| 539 jio_snprintf(detail_msg, detail_msg_length, buf, value); | |
| 540 } | |
| 541 report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); | |
| 542 JRT_END | |
| 543 | |
|
12423
370b5f07f9e2
The runtime entries need to use oopDesc* rather than oop in their signature
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12372
diff
changeset
|
544 JRT_LEAF(oopDesc*, GraalRuntime::load_and_clear_exception(JavaThread* thread)) |
|
9820
1b60f639ac4b
implemented alternative implementation for loading the exception object from the thread at the start of an exception dispatcher
Doug Simon <doug.simon@oracle.com>
parents:
9596
diff
changeset
|
545 oop exception = thread->exception_oop(); |
|
1b60f639ac4b
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diff
changeset
|
546 assert(exception != NULL, "npe"); |
|
1b60f639ac4b
implemented alternative implementation for loading the exception object from the thread at the start of an exception dispatcher
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diff
changeset
|
547 thread->set_exception_oop(NULL); |
|
1b60f639ac4b
implemented alternative implementation for loading the exception object from the thread at the start of an exception dispatcher
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diff
changeset
|
548 thread->set_exception_pc(0); |
|
1b60f639ac4b
implemented alternative implementation for loading the exception object from the thread at the start of an exception dispatcher
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diff
changeset
|
549 return exception; |
|
1b60f639ac4b
implemented alternative implementation for loading the exception object from the thread at the start of an exception dispatcher
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parents:
9596
diff
changeset
|
550 JRT_END |
| 8506 | 551 |
|
12423
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diff
changeset
|
552 JRT_LEAF(void, GraalRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3)) |
| 7221 | 553 ResourceMark rm; |
| 554 assert(format != NULL && java_lang_String::is_instance(format), "must be"); | |
| 555 char *buf = java_lang_String::as_utf8_string(format); | |
|
7235
a6bd253a770f
expanded LOG_PRINTF stub to handle up to 3 arguments in addition to the format string
Doug Simon <doug.simon@oracle.com>
parents:
7226
diff
changeset
|
556 tty->print(buf, v1, v2, v3); |
| 7221 | 557 JRT_END |
| 558 | |
|
9573
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
Doug Simon <doug.simon@oracle.com>
parents:
9565
diff
changeset
|
559 static void decipher(jlong v, bool ignoreZero) { |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
560 if (v != 0 || !ignoreZero) { |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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parents:
9565
diff
changeset
|
561 void* p = (void *)(address) v; |
|
a79e8020ad4b
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9565
diff
changeset
|
562 CodeBlob* cb = CodeCache::find_blob(p); |
|
a79e8020ad4b
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parents:
9565
diff
changeset
|
563 if (cb) { |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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parents:
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diff
changeset
|
564 if (cb->is_nmethod()) { |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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parents:
9565
diff
changeset
|
565 char buf[O_BUFLEN]; |
|
a79e8020ad4b
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parents:
9565
diff
changeset
|
566 tty->print("%s [%p+%d]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), cb->code_begin(), (address)v - cb->code_begin()); |
|
a79e8020ad4b
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diff
changeset
|
567 return; |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
568 } |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
569 cb->print_value_on(tty); |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
570 return; |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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parents:
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diff
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|
571 } |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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9565
diff
changeset
|
572 if (Universe::heap()->is_in(p)) { |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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parents:
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diff
changeset
|
573 oop obj = oop(p); |
|
a79e8020ad4b
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diff
changeset
|
574 obj->print_value_on(tty); |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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|
575 return; |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
576 } |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
577 tty->print("%p [long: %d, double %f, char %c]", v, v, v, v); |
|
a79e8020ad4b
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diff
changeset
|
578 } |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
579 } |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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parents:
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diff
changeset
|
580 |
|
9471
5fa54bf57f8c
replaced exception_handler_nofpu assembler stub with a compiled stub (GRAAL-81)
Doug Simon <doug.simon@oracle.com>
parents:
9457
diff
changeset
|
581 JRT_LEAF(void, GraalRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) |
|
9232
bb2447c64055
strings used in compiled stubs are lowered to malloc'ed C strings so that there are no embedded oops (for the strings) in the resulting installed code
Doug Simon <doug.simon@oracle.com>
parents:
8506
diff
changeset
|
582 ResourceMark rm; |
|
bb2447c64055
strings used in compiled stubs are lowered to malloc'ed C strings so that there are no embedded oops (for the strings) in the resulting installed code
Doug Simon <doug.simon@oracle.com>
parents:
8506
diff
changeset
|
583 char *buf = (char*) (address) format; |
|
9471
5fa54bf57f8c
replaced exception_handler_nofpu assembler stub with a compiled stub (GRAAL-81)
Doug Simon <doug.simon@oracle.com>
parents:
9457
diff
changeset
|
584 if (vmError) { |
|
9573
a79e8020ad4b
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parents:
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diff
changeset
|
585 if (buf != NULL) { |
|
a79e8020ad4b
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diff
changeset
|
586 fatal(err_msg(buf, v1, v2, v3)); |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
587 } else { |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
588 fatal("<anonymous error>"); |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
changeset
|
589 } |
|
a79e8020ad4b
added Stub.decipher() to print information about values in stubs
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diff
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|
590 } else if (buf != NULL) { |
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591 tty->print(buf, v1, v2, v3); |
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592 } else { |
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593 assert(v2 == 0, "v2 != 0"); |
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594 assert(v3 == 0, "v3 != 0"); |
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595 decipher(v1, false); |
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596 } |
|
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597 JRT_END |
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598 |
|
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599 JRT_ENTRY(void, GraalRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) |
| 7221 | 600 union { |
| 601 jlong l; | |
| 602 jdouble d; | |
| 603 jfloat f; | |
| 604 } uu; | |
| 605 uu.l = value; | |
| 606 switch (typeChar) { | |
| 607 case 'z': tty->print(value == 0 ? "false" : "true"); break; | |
| 608 case 'b': tty->print("%d", (jbyte) value); break; | |
| 609 case 'c': tty->print("%c", (jchar) value); break; | |
| 610 case 's': tty->print("%d", (jshort) value); break; | |
| 611 case 'i': tty->print("%d", (jint) value); break; | |
| 612 case 'f': tty->print("%f", uu.f); break; | |
| 613 case 'j': tty->print(INT64_FORMAT, value); break; | |
| 614 case 'd': tty->print("%lf", uu.d); break; | |
| 615 default: assert(false, "unknown typeChar"); break; | |
| 616 } | |
| 617 if (newline) { | |
| 618 tty->cr(); | |
| 619 } | |
| 620 JRT_END | |
| 621 | |
|
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622 JRT_ENTRY(jint, GraalRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj)) |
| 7221 | 623 return (jint) obj->identity_hash(); |
| 624 JRT_END | |
| 625 | |
|
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626 JRT_ENTRY(jboolean, GraalRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted)) |
|
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627 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate |
|
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628 Handle receiverHandle(thread, receiver); |
|
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629 MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock); |
|
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630 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); |
|
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631 if (receiverThread == NULL) { |
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632 // The other thread may exit during this process, which is ok so return false. |
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633 return JNI_FALSE; |
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634 } else { |
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635 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); |
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636 } |
| 7221 | 637 JRT_END |
| 638 | |
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639 // private static GraalRuntime Graal.initializeRuntime() |
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640 JVM_ENTRY(jobject, JVM_GetGraalRuntime(JNIEnv *env, jclass c)) |
|
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641 return VMToCompiler::get_HotSpotGraalRuntime_jobject(); |
| 7221 | 642 JVM_END |
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643 |
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644 // private static TruffleRuntime Truffle.createRuntime() |
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645 JVM_ENTRY(jobject, JVM_CreateTruffleRuntime(JNIEnv *env, jclass c)) |
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646 return JNIHandles::make_local(VMToCompiler::create_HotSpotTruffleRuntime()()); |
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647 JVM_END |
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648 |
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649 // private static void HotSpotGraalRuntime.init(Class compilerToVMClass) |
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650 JVM_ENTRY(void, JVM_InitializeGraalNatives(JNIEnv *env, jclass c, jclass c2vmClass)) |
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651 GraalRuntime::initialize_natives(env, c2vmClass); |
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652 JVM_END |
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653 |
|
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654 // private static boolean HotSpotOptions.parseVMOptions() |
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655 JVM_ENTRY(jboolean, JVM_ParseGraalOptions(JNIEnv *env, jclass c)) |
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656 HandleMark hm; |
|
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657 KlassHandle hotSpotOptionsClass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(c))); |
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658 return GraalRuntime::parse_arguments(hotSpotOptionsClass, CHECK_false); |
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659 JVM_END |
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660 |
|
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661 bool GraalRuntime::parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS) { |
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662 ResourceMark rm(THREAD); |
|
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663 |
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664 // Process option overrides from graal.options first |
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665 parse_graal_options_file(hotSpotOptionsClass, CHECK_false); |
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666 |
|
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667 // Now process options on the command line |
|
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668 int numOptions = Arguments::num_graal_args(); |
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669 for (int i = 0; i < numOptions; i++) { |
|
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670 char* arg = Arguments::graal_args_array()[i]; |
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671 parse_argument(hotSpotOptionsClass, arg, CHECK_false); |
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672 } |
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673 return CITime || CITimeEach; |
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674 } |
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675 |
|
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676 void GraalRuntime::parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS) { |
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677 char first = arg[0]; |
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678 char* name; |
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679 size_t name_len; |
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680 Handle name_handle; |
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681 bool valid = true; |
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682 if (first == '+' || first == '-') { |
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683 name = arg + 1; |
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684 name_len = strlen(name); |
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685 name_handle = java_lang_String::create_from_str(name, CHECK); |
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686 valid = set_option(hotSpotOptionsClass, name, name_len, name_handle, arg, CHECK); |
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687 } else { |
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688 char* sep = strchr(arg, '='); |
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689 if (sep != NULL) { |
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690 name = arg; |
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691 name_len = sep - name; |
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692 // Temporarily replace '=' with NULL to create the Java string for the option name |
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693 *sep = '\0'; |
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694 name_handle = java_lang_String::create_from_str(arg, THREAD); |
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695 *sep = '='; |
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696 if (HAS_PENDING_EXCEPTION) { |
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697 return; |
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698 } |
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699 valid = set_option(hotSpotOptionsClass, name, name_len, name_handle, sep + 1, CHECK); |
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700 } else { |
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701 char buf[200]; |
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702 jio_snprintf(buf, sizeof(buf), "Value for option %s must use '-G:%s=<value>' format", arg, arg); |
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703 THROW_MSG(vmSymbols::java_lang_InternalError(), buf); |
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704 } |
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705 } |
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706 |
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707 if (!valid) { |
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708 VMToCompiler::setOption(hotSpotOptionsClass, name_handle, Handle(), ' ', Handle(), 0L); |
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709 char buf[200]; |
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710 jio_snprintf(buf, sizeof(buf), "Invalid Graal option %s", arg); |
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711 THROW_MSG(vmSymbols::java_lang_InternalError(), buf); |
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712 } |
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713 } |
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714 |
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715 void GraalRuntime::parse_graal_options_file(KlassHandle hotSpotOptionsClass, TRAPS) { |
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716 const char* home = Arguments::get_java_home(); |
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717 int path_len = strlen(home) + strlen("/lib/graal.options") + 1; |
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718 char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len); |
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719 char sep = os::file_separator()[0]; |
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720 sprintf(path, "%s%clib%cgraal.options", home, sep, sep); |
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721 |
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722 struct stat st; |
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723 if (os::stat(path, &st) == 0) { |
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724 int file_handle = os::open(path, 0, 0); |
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725 if (file_handle != -1) { |
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726 char* buffer = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, st.st_size); |
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727 int num_read = (int) os::read(file_handle, (char*) buffer, st.st_size); |
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728 if (num_read == -1) { |
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729 warning("Error reading file %s due to %s", path, strerror(errno)); |
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730 } else if (num_read != st.st_size) { |
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731 warning("Only read %d of %d bytes from %s", num_read, st.st_size, path); |
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732 } |
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733 os::close(file_handle); |
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734 if (num_read == st.st_size) { |
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735 char* line = buffer; |
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736 int lineNo = 1; |
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737 while (line - buffer < num_read) { |
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738 char* nl = strchr(line, '\n'); |
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739 if (nl != NULL) { |
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740 *nl = '\0'; |
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741 } |
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742 parse_argument(hotSpotOptionsClass, line, THREAD); |
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743 if (HAS_PENDING_EXCEPTION) { |
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744 warning("Error in %s:%d", path, lineNo); |
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745 return; |
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746 } |
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747 if (nl != NULL) { |
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748 line = nl + 1; |
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749 lineNo++; |
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750 } else { |
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751 // File without newline at the end |
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752 break; |
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753 } |
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754 } |
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755 } |
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756 } else { |
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757 warning("Error opening file %s due to %s", path, strerror(errno)); |
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758 } |
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759 } |
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760 } |
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761 |
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762 jlong GraalRuntime::parse_primitive_option_value(char spec, Handle name, const char* value, TRAPS) { |
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763 union { |
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764 jint i; |
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765 jlong l; |
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766 double d; |
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767 } uu; |
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768 uu.l = 0L; |
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769 char dummy; |
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770 switch (spec) { |
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771 case 'd': |
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772 case 'f': { |
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773 if (sscanf(value, "%lf%c", &uu.d, &dummy) == 1) { |
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774 return uu.l; |
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775 } |
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776 break; |
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777 } |
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778 case 'i': { |
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779 if (sscanf(value, "%d%c", &uu.i, &dummy) == 1) { |
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780 return uu.l; |
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781 } |
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782 break; |
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783 } |
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784 default: |
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785 ShouldNotReachHere(); |
|
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786 } |
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787 ResourceMark rm(THREAD); |
|
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788 char buf[200]; |
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789 jio_snprintf(buf, sizeof(buf), "Invalid %s value for Graal option %s: %s", (spec == 'i' ? "numeric" : "float/double"), java_lang_String::as_utf8_string(name()), value); |
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790 THROW_MSG_(vmSymbols::java_lang_InternalError(), buf, 0L); |
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791 } |
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792 |
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793 Handle GraalRuntime::get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS) { |
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794 TempNewSymbol name = SymbolTable::new_symbol(declaringClass, THREAD); |
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795 Klass* klass = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
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796 |
|
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797 // The class has been loaded so the field and signature should already be in the symbol |
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798 // table. If they're not there, the field doesn't exist. |
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799 TempNewSymbol fieldname = SymbolTable::probe(fieldName, (int)strlen(fieldName)); |
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800 TempNewSymbol signame = SymbolTable::probe(fieldSig, (int)strlen(fieldSig)); |
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parents:
15603
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801 if (fieldname == NULL || signame == NULL) { |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
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802 THROW_MSG_(vmSymbols::java_lang_NoSuchFieldError(), (char*) fieldName, Handle()); |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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803 } |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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804 // Make sure class is initialized before handing id's out to fields |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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805 klass->initialize(CHECK_NH); |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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806 |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
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807 fieldDescriptor fd; |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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808 if (!InstanceKlass::cast(klass)->find_field(fieldname, signame, true, &fd)) { |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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809 THROW_MSG_(vmSymbols::java_lang_NoSuchFieldError(), (char*) fieldName, Handle()); |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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810 } |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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811 |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
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812 Handle ret = klass->java_mirror()->obj_field(fd.offset()); |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
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813 return ret; |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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814 } |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
changeset
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815 |
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fe608a56e3f7
made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
Doug Simon <doug.simon@oracle.com>
parents:
15603
diff
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816 #include "HotSpotOptions.inline.hpp" |