src/share/vm/aot/aotLoader.cpp
Index Unified diffs Context diffs Sdiffs Wdiffs Patch New Old Previous File Next File hotspot Sdiff src/share/vm/aot

src/share/vm/aot/aotLoader.cpp

Print this page


   1 /*
   2  * Copyright (c) 2016, 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"
  25 
  26 #include "aot/aotCodeHeap.hpp"
  27 #include "aot/aotLoader.inline.hpp"
  28 #include "jvmci/jvmciRuntime.hpp"
  29 #include "oops/method.hpp"

  30 
  31 GrowableArray<AOTCodeHeap*>* AOTLoader::_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<AOTCodeHeap*> (2, true);
  32 GrowableArray<AOTLib*>* AOTLoader::_libraries = new(ResourceObj::C_HEAP, mtCode) GrowableArray<AOTLib*> (2, true);
  33 
  34 // Iterate over all AOT CodeHeaps
  35 #define FOR_ALL_AOT_HEAPS(heap) for (GrowableArrayIterator<AOTCodeHeap*> heap = heaps()->begin(); heap != heaps()->end(); ++heap)
  36 // Iterate over all AOT Libraries
  37 #define FOR_ALL_AOT_LIBRARIES(lib) for (GrowableArrayIterator<AOTLib*> lib = libraries()->begin(); lib != libraries()->end(); ++lib)
  38 
  39 void AOTLoader::load_for_klass(instanceKlassHandle kh, Thread* thread) {
  40   if (UseAOT) {
  41     FOR_ALL_AOT_HEAPS(heap) {
  42       (*heap)->load_klass_data(kh, thread);
  43     }
  44   }
  45 }
  46 
  47 uint64_t AOTLoader::get_saved_fingerprint(InstanceKlass* ik) {
  48   FOR_ALL_AOT_HEAPS(heap) {
  49     AOTKlassData* klass_data = (*heap)->find_klass(ik);


 129         warning("EagerInitialization is not compatible with AOT (switching AOT off)");
 130       }
 131       FLAG_SET_DEFAULT(UseAOT, false);
 132       return;
 133     }
 134 
 135     // -Xint is not compatible with AOT
 136     if (Arguments::is_interpreter_only()) {
 137       if (PrintAOT) {
 138         warning("-Xint is not compatible with AOT (switching AOT off)");
 139       }
 140       FLAG_SET_DEFAULT(UseAOT, false);
 141       return;
 142     }
 143 
 144     const char* home = Arguments::get_java_home();
 145     const char* file_separator = os::file_separator();
 146 
 147     for (int i = 0; i < (int) (sizeof(modules) / sizeof(const char*)); i++) {
 148       char library[JVM_MAXPATHLEN];
 149       jio_snprintf(library, sizeof(library), "%s%slib%slib%s%s%s.so", home, file_separator, file_separator, modules[i], UseCompressedOops ? "-coop" : "", UseG1GC ? "" : "-nong1");
 150       load_library(library, false);
 151     }
 152 
 153     // Scan the AOTLibrary option.
 154     if (AOTLibrary != NULL) {
 155       const int len = strlen(AOTLibrary);
 156       char* cp  = NEW_C_HEAP_ARRAY(char, len+1, mtCode);
 157       if (cp != NULL) { // No memory?
 158         memcpy(cp, AOTLibrary, len);
 159         cp[len] = '\0';
 160         char* end = cp + len;
 161         while (cp < end) {
 162           const char* name = cp;
 163           while ((*cp) != '\0' && (*cp) != '\n' && (*cp) != ',' && (*cp) != ':' && (*cp) != ';')  cp++;
 164           cp[0] = '\0';  // Terminate name
 165           cp++;
 166           load_library(name, true);
 167         }
 168       }
 169     }
 170   }
 171 }
 172 
 173 void AOTLoader::universe_init() {
 174   if (UseAOT && libraries_count() > 0) {
 175     // Shifts are static values which initialized by 0 until java heap initialization.


 217 
 218 void AOTLoader::set_narrow_klass_shift() {
 219   // This method could be called from Metaspace::set_narrow_klass_base_and_shift().
 220   // In case it is not called (during dump CDS, for example) the corresponding code in
 221   // AOTLoader::universe_init(), which is called later, will set the shift value.
 222   if (UseAOT && libraries_count() > 0 &&
 223       UseCompressedOops && AOTLib::narrow_oop_shift_initialized() &&
 224       UseCompressedClassPointers) {
 225     int klass_shift = Universe::narrow_klass_shift();
 226     if (klass_shift == 0) {
 227       Universe::set_narrow_klass_shift(AOTLib::narrow_klass_shift());
 228     } else {
 229       FOR_ALL_AOT_LIBRARIES(lib) {
 230         (*lib)->verify_flag(AOTLib::narrow_klass_shift(), klass_shift, "Universe::narrow_klass_shift");
 231       }
 232     }
 233   }
 234 }
 235 
 236 void AOTLoader::load_library(const char* name, bool exit_on_error) {
 237   void* handle = dlopen(name, RTLD_LAZY);

 238   if (handle == NULL) {
 239     if (exit_on_error) {
 240       tty->print_cr("error opening file: %s", dlerror());
 241       vm_exit(1);
 242     }
 243     return;
 244   }
 245   const int dso_id = libraries_count() + 1;
 246   AOTLib* lib = new AOTLib(handle, name, dso_id);
 247   if (!lib->is_valid()) {
 248     delete lib;
 249     dlclose(handle);
 250     return;
 251   }
 252   add_library(lib);
 253 }
 254 
 255 #ifndef PRODUCT
 256 void AOTLoader::print_statistics() {
 257   { ttyLocker ttyl;
 258     tty->print_cr("--- AOT Statistics ---");
 259     tty->print_cr("AOT libraries loaded: %d", heaps_count());
 260     AOTCodeHeap::print_statistics();
 261   }
 262 }
 263 #endif
   1 /*
   2  * Copyright (c) 2016, 2017, 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"
  25 
  26 #include "aot/aotCodeHeap.hpp"
  27 #include "aot/aotLoader.inline.hpp"
  28 #include "jvmci/jvmciRuntime.hpp"
  29 #include "oops/method.hpp"
  30 #include "runtime/os.hpp"
  31 
  32 GrowableArray<AOTCodeHeap*>* AOTLoader::_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<AOTCodeHeap*> (2, true);
  33 GrowableArray<AOTLib*>* AOTLoader::_libraries = new(ResourceObj::C_HEAP, mtCode) GrowableArray<AOTLib*> (2, true);
  34 
  35 // Iterate over all AOT CodeHeaps
  36 #define FOR_ALL_AOT_HEAPS(heap) for (GrowableArrayIterator<AOTCodeHeap*> heap = heaps()->begin(); heap != heaps()->end(); ++heap)
  37 // Iterate over all AOT Libraries
  38 #define FOR_ALL_AOT_LIBRARIES(lib) for (GrowableArrayIterator<AOTLib*> lib = libraries()->begin(); lib != libraries()->end(); ++lib)
  39 
  40 void AOTLoader::load_for_klass(instanceKlassHandle kh, Thread* thread) {
  41   if (UseAOT) {
  42     FOR_ALL_AOT_HEAPS(heap) {
  43       (*heap)->load_klass_data(kh, thread);
  44     }
  45   }
  46 }
  47 
  48 uint64_t AOTLoader::get_saved_fingerprint(InstanceKlass* ik) {
  49   FOR_ALL_AOT_HEAPS(heap) {
  50     AOTKlassData* klass_data = (*heap)->find_klass(ik);


 130         warning("EagerInitialization is not compatible with AOT (switching AOT off)");
 131       }
 132       FLAG_SET_DEFAULT(UseAOT, false);
 133       return;
 134     }
 135 
 136     // -Xint is not compatible with AOT
 137     if (Arguments::is_interpreter_only()) {
 138       if (PrintAOT) {
 139         warning("-Xint is not compatible with AOT (switching AOT off)");
 140       }
 141       FLAG_SET_DEFAULT(UseAOT, false);
 142       return;
 143     }
 144 
 145     const char* home = Arguments::get_java_home();
 146     const char* file_separator = os::file_separator();
 147 
 148     for (int i = 0; i < (int) (sizeof(modules) / sizeof(const char*)); i++) {
 149       char library[JVM_MAXPATHLEN];
 150       jio_snprintf(library, sizeof(library), "%s%slib%slib%s%s%s%s", home, file_separator, file_separator, modules[i], UseCompressedOops ? "-coop" : "", UseG1GC ? "" : "-nong1", os::dll_file_extension());
 151       load_library(library, false);
 152     }
 153 
 154     // Scan the AOTLibrary option.
 155     if (AOTLibrary != NULL) {
 156       const int len = (int)strlen(AOTLibrary);
 157       char* cp  = NEW_C_HEAP_ARRAY(char, len+1, mtCode);
 158       if (cp != NULL) { // No memory?
 159         memcpy(cp, AOTLibrary, len);
 160         cp[len] = '\0';
 161         char* end = cp + len;
 162         while (cp < end) {
 163           const char* name = cp;
 164           while ((*cp) != '\0' && (*cp) != '\n' && (*cp) != ',' && (*cp) != ':' && (*cp) != ';')  cp++;
 165           cp[0] = '\0';  // Terminate name
 166           cp++;
 167           load_library(name, true);
 168         }
 169       }
 170     }
 171   }
 172 }
 173 
 174 void AOTLoader::universe_init() {
 175   if (UseAOT && libraries_count() > 0) {
 176     // Shifts are static values which initialized by 0 until java heap initialization.


 218 
 219 void AOTLoader::set_narrow_klass_shift() {
 220   // This method could be called from Metaspace::set_narrow_klass_base_and_shift().
 221   // In case it is not called (during dump CDS, for example) the corresponding code in
 222   // AOTLoader::universe_init(), which is called later, will set the shift value.
 223   if (UseAOT && libraries_count() > 0 &&
 224       UseCompressedOops && AOTLib::narrow_oop_shift_initialized() &&
 225       UseCompressedClassPointers) {
 226     int klass_shift = Universe::narrow_klass_shift();
 227     if (klass_shift == 0) {
 228       Universe::set_narrow_klass_shift(AOTLib::narrow_klass_shift());
 229     } else {
 230       FOR_ALL_AOT_LIBRARIES(lib) {
 231         (*lib)->verify_flag(AOTLib::narrow_klass_shift(), klass_shift, "Universe::narrow_klass_shift");
 232       }
 233     }
 234   }
 235 }
 236 
 237 void AOTLoader::load_library(const char* name, bool exit_on_error) {
 238   char ebuf[1024];
 239   void* handle = os::dll_load(name, ebuf, sizeof ebuf);
 240   if (handle == NULL) {
 241     if (exit_on_error) {
 242       tty->print_cr("error opening file: %s", ebuf);
 243       vm_exit(1);
 244     }
 245     return;
 246   }
 247   const int dso_id = libraries_count() + 1;
 248   AOTLib* lib = new AOTLib(handle, name, dso_id);
 249   if (!lib->is_valid()) {
 250     delete lib;
 251     os::dll_unload(handle);
 252     return;
 253   }
 254   add_library(lib);
 255 }
 256 
 257 #ifndef PRODUCT
 258 void AOTLoader::print_statistics() {
 259   { ttyLocker ttyl;
 260     tty->print_cr("--- AOT Statistics ---");
 261     tty->print_cr("AOT libraries loaded: %d", heaps_count());
 262     AOTCodeHeap::print_statistics();
 263   }
 264 }
 265 #endif
src/share/vm/aot/aotLoader.cpp
Index Unified diffs Context diffs Sdiffs Wdiffs Patch New Old Previous File Next File