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comparison src/share/vm/prims/jvm.cpp @ 20608:4cb90023bf2b

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8061651: Interface to the Lookup Index Cache to improve URLClassPath search time Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs Reviewed-by: mchung, acorn, jiangli, dholmes
author iklam
date Mon, 13 Oct 2014 16:09:57 -0700
parents 8cb56c8cb30d
children fe34c5ab0b35
comparison
equal deleted inserted replaced
20607:f5f752e74840 20608:4cb90023bf2b
22 * 22 *
23 */ 23 */
24 24
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "classfile/classLoader.hpp" 26 #include "classfile/classLoader.hpp"
27 #include "classfile/classLoaderExt.hpp"
27 #include "classfile/javaAssertions.hpp" 28 #include "classfile/javaAssertions.hpp"
28 #include "classfile/javaClasses.hpp" 29 #include "classfile/javaClasses.hpp"
29 #include "classfile/symbolTable.hpp" 30 #include "classfile/symbolTable.hpp"
30 #include "classfile/systemDictionary.hpp" 31 #include "classfile/systemDictionary.hpp"
31 #if INCLUDE_CDS 32 #if INCLUDE_CDS
391 (Arguments::mode() != Arguments::_int)) { 392 (Arguments::mode() != Arguments::_int)) {
392 PUTPROP(props, "sun.management.compiler", compiler_name); 393 PUTPROP(props, "sun.management.compiler", compiler_name);
393 } 394 }
394 } 395 }
395 396
397 const char* enableSharedLookupCache = "false";
398 #if INCLUDE_CDS
399 if (ClassLoaderExt::is_lookup_cache_enabled()) {
400 enableSharedLookupCache = "true";
401 }
402 #endif
403 PUTPROP(props, "sun.cds.enableSharedLookupCache", enableSharedLookupCache);
404
396 return properties; 405 return properties;
397 JVM_END 406 JVM_END
398 407
399 408
400 /* 409 /*
764 JVMWrapper("JVM_ResolveClass"); 773 JVMWrapper("JVM_ResolveClass");
765 if (PrintJVMWarnings) warning("JVM_ResolveClass not implemented"); 774 if (PrintJVMWarnings) warning("JVM_ResolveClass not implemented");
766 JVM_END 775 JVM_END
767 776
768 777
778 JVM_ENTRY(jboolean, JVM_KnownToNotExist(JNIEnv *env, jobject loader, const char *classname))
779 JVMWrapper("JVM_KnownToNotExist");
780 #if INCLUDE_CDS
781 return ClassLoaderExt::known_to_not_exist(env, loader, classname, CHECK_(false));
782 #else
783 return false;
784 #endif
785 JVM_END
786
787
788 JVM_ENTRY(jobjectArray, JVM_GetResourceLookupCacheURLs(JNIEnv *env, jobject loader))
789 JVMWrapper("JVM_GetResourceLookupCacheURLs");
790 #if INCLUDE_CDS
791 return ClassLoaderExt::get_lookup_cache_urls(env, loader, CHECK_NULL);
792 #else
793 return NULL;
794 #endif
795 JVM_END
796
797
798 JVM_ENTRY(jintArray, JVM_GetResourceLookupCache(JNIEnv *env, jobject loader, const char *resource_name))
799 JVMWrapper("JVM_GetResourceLookupCache");
800 #if INCLUDE_CDS
801 return ClassLoaderExt::get_lookup_cache(env, loader, resource_name, CHECK_NULL);
802 #else
803 return NULL;
804 #endif
805 JVM_END
806
807
769 // Returns a class loaded by the bootstrap class loader; or null 808 // Returns a class loaded by the bootstrap class loader; or null
770 // if not found. ClassNotFoundException is not thrown. 809 // if not found. ClassNotFoundException is not thrown.
771 // 810 //
772 // Rationale behind JVM_FindClassFromBootLoader 811 // Rationale behind JVM_FindClassFromBootLoader
773 // a> JVM_FindClassFromClassLoader was never exported in the export tables. 812 // a> JVM_FindClassFromClassLoader was never exported in the export tables.