diff options
Diffstat (limited to 'libjava/java/lang/natVMClassLoader.cc')
| -rw-r--r-- | libjava/java/lang/natVMClassLoader.cc | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/libjava/java/lang/natVMClassLoader.cc b/libjava/java/lang/natVMClassLoader.cc deleted file mode 100644 index 4edff7d..0000000 --- a/libjava/java/lang/natVMClassLoader.cc +++ /dev/null @@ -1,245 +0,0 @@ -// natVMClassLoader.cc - VMClassLoader native methods - -/* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -/* Author: Kresten Krab Thorup <krab@gnu.org> */ - -#include <config.h> - -#include <stdlib.h> -#include <string.h> - -#include <gcj/cni.h> -#include <jvm.h> - -#include <java-threads.h> -#include <java-interp.h> - -#include <java/lang/VMClassLoader.h> -#include <java/lang/VMCompiler.h> -#include <gnu/gcj/runtime/ExtensionClassLoader.h> -#include <gnu/gcj/runtime/SystemClassLoader.h> -#include <gnu/gcj/runtime/BootClassLoader.h> -#include <java/lang/ClassLoader.h> -#include <java/lang/Class.h> -#include <java/lang/Throwable.h> -#include <java/security/ProtectionDomain.h> -#include <java/lang/ClassFormatError.h> -#include <java/lang/StringBuffer.h> -#include <java/lang/SecurityManager.h> -#include <java/lang/Runtime.h> -#include <java/util/HashSet.h> -#include <java/lang/SecurityException.h> -#include <java/lang/VirtualMachineError.h> - -java::lang::Class * -java::lang::VMClassLoader::defineClass (java::lang::ClassLoader *loader, - jstring name, - jbyteArray data, - jint offset, - jint length, - java::security::ProtectionDomain *pd) -{ - jclass klass = VMCompiler::compileClass(loader, name, data, - offset, length, pd); - - if (klass) - _Jv_RegisterInitiatingLoader (klass, klass->loader); - -#ifdef INTERPRETER - if (klass == NULL) - { - klass = new java::lang::Class (); - - // Synchronize on the class, so that it is not attempted initialized - // until we're done loading. - JvSynchronize sync (klass); - - // Record the defining loader. For the bootstrap class loader, - // we record NULL. - if (loader != bootLoader) - klass->loader = loader; - - if (name != 0) - { - _Jv_Utf8Const *name2 = _Jv_makeUtf8Const (name); - - if (! _Jv_VerifyClassName (name2)) - throw new java::lang::ClassFormatError - (JvNewStringLatin1 ("erroneous class name")); - - klass->name = name2; - } - - _Jv_Utf8Const *found_name = NULL; - try - { - _Jv_DefineClass (klass, data, offset, length, pd, &found_name); - } - catch (java::lang::Throwable *ex) - { - klass->state = JV_STATE_ERROR; - klass->notifyAll (); - - if (found_name != NULL) - _Jv_UnregisterInitiatingLoader (klass, klass->loader); - - // If EX is not a ClassNotFoundException, that's ok, because we - // account for the possibility in defineClass(). - throw ex; - } - - // if everything proceeded sucessfully, we're loaded. - JvAssert (klass->state == JV_STATE_READ); - } -#endif // INTERPRETER - - if (! klass) - { - StringBuffer *sb = new StringBuffer(); - if (name) - { - sb->append(JvNewStringLatin1("found class file for class ")); - sb->append(name); - } - else - sb->append(JvNewStringLatin1("found unnamed class file")); - sb->append(JvNewStringLatin1(", but no interpreter configured in this libgcj")); - throw new VirtualMachineError(sb->toString()); - } - - return klass; -} - -java::lang::ClassLoader * -java::lang::VMClassLoader::getSystemClassLoaderInternal() -{ - _Jv_InitClass (&gnu::gcj::runtime::ExtensionClassLoader::class$); - _Jv_CopyClassesToSystemLoader (gnu::gcj::runtime::ExtensionClassLoader::system_instance); - return gnu::gcj::runtime::ExtensionClassLoader::system_instance; -} - -jclass -java::lang::VMClassLoader::getPrimitiveClass (jchar type) -{ - char sig[2]; - sig[0] = (char) type; - sig[1] = '\0'; - // Note: this cannot return NULL, since the input is always correct. - return _Jv_FindClassFromSignature (sig, NULL); -} - -void -java::lang::VMClassLoader::initBootLoader(jstring libdir) -{ - bootLoader = new gnu::gcj::runtime::BootClassLoader(libdir); -} - -jclass -java::lang::VMClassLoader::nativeFindClass (jstring name) -{ - jclass klass = NULL; - - if (lib_control != LIB_NEVER) - { - // Turn `gnu.pkg.quux' into `lib-gnu-pkg-quux'. Then search for - // a module named (eg, on Linux) `lib-gnu-pkg-quux.so', followed - // by `lib-gnu-pkg.so' and `lib-gnu.so'. If loading one of - // these causes the class to appear in the cache, then use it. - java::lang::StringBuffer *sb - = new java::lang::StringBuffer (JvNewStringLatin1("lib-")); - // Skip inner classes - jstring cn; - jint ci = name->indexOf('$'); - if (ci == -1) - cn = name; - else - cn = name->substring (0, ci); - jstring so_base_name - = (sb->append (cn)->toString ())->replace ('.', '-'); - - using namespace ::java::lang; - Runtime *rt = Runtime::getRuntime(); - - _Jv_Utf8Const *name_u = NULL; - - // Compare against `3' because that is the length of "lib". - while (! klass && so_base_name && so_base_name->length() > 3) - { - if (lib_control == LIB_CACHE) - { - // If we've already tried this name, we're done. - if (tried_libraries->contains(so_base_name)) - break; - tried_libraries->add(so_base_name); - } - - jboolean loaded = rt->loadLibraryInternal (so_base_name); - - jint nd = so_base_name->lastIndexOf ('-'); - if (nd == -1) - so_base_name = NULL; - else - so_base_name = so_base_name->substring (0, nd); - - if (loaded) - { - if (name_u == NULL) - name_u = _Jv_makeUtf8Const (name); - klass = _Jv_FindClassInCache (name_u); - } - } - } - - if (klass) - definePackageForNative(name); - - return klass; -} - -jclass -java::lang::VMClassLoader::loadClass(jstring name, jboolean resolve) -{ - using namespace ::java::lang; - - SecurityManager *sm = (SecurityManager *)SecurityManager::current; - if (sm) - { - jint lastDot = name->lastIndexOf('.'); - if (lastDot != -1) - sm->checkPackageAccess(name->substring(0, lastDot)); - } - - // We try the boot loader first, so that the endorsed directory - // overrides compiled-in classes. - jclass klass = NULL; - if (bootLoader) - klass = bootLoader->bootLoadClass(name); - if (! klass) - { - _Jv_Utf8Const *utf = _Jv_makeUtf8Const (name); - klass = _Jv_FindClassInCache (utf); - } - if (! klass) - klass = nativeFindClass(name); - if (klass) - { - // We never want to return a class without its supers linked. - // It isn't clear from the spec, but this is what other - // implementations do in practice. - if (resolve) - resolveClass (klass); - else - _Jv_Linker::wait_for_state (klass, JV_STATE_LOADING); - - definePackageForNative(name); - } - - return klass; -} |