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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libjava/] [gnu/] [gcj/] [natCore.cc] - Rev 783
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// natCore -- C++ side of Core /* Copyright (C) 2001, 2002, 2003, 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: Anthony Green <green@redhat.com>. */ #include <config.h> #include <gcj/cni.h> #include <jvm.h> #include <string.h> #include <stdlib.h> #include <java/lang/NullPointerException.h> #include <java/io/IOException.h> #include <gnu/gcj/Core.h> // List of global core values. static _Jv_core_chain *root; static void default_register_resource (_Jv_core_chain *node) { node->next = root; root = node; } // This is set only when a lock is held on java.lang.Class. // This function is called to handle a new core node. void (*_Jv_RegisterCoreHook) (_Jv_core_chain *) = default_register_resource; void _Jv_RegisterResource (void *vptr) { char *rptr = (char *) vptr; _Jv_core_chain *cc = (_Jv_core_chain *) _Jv_Malloc (sizeof (_Jv_core_chain)); cc->name_length = ((int *)rptr)[0]; cc->data_length = ((int *)rptr)[1]; cc->name = rptr + 2 * sizeof (int); cc->data = cc->name + cc->name_length; cc->next = NULL; (*_Jv_RegisterCoreHook) (cc); } void _Jv_FreeCoreChain (_Jv_core_chain *chain) { while (chain != NULL) { _Jv_core_chain *next = chain->next; _Jv_Free (chain); chain = next; } } _Jv_core_chain * _Jv_FindCore (_Jv_core_chain *node, jstring name) { char *buf = (char *) __builtin_alloca (JvGetStringUTFLength (name) + 1); jsize total = JvGetStringUTFRegion (name, 0, name->length(), buf); buf[total] = '\0'; // Usually requests here end up as an absolute URL. We strip the // initial `/'. if (buf[0] == '/') { ++buf; --total; } while (node) { if (total == node->name_length && strncmp (buf, node->name, total) == 0) return node; node = node->next; } return NULL; } gnu::gcj::Core * _Jv_create_core (_Jv_core_chain *node, jstring name) { node = _Jv_FindCore (node, name); gnu::gcj::Core *core = NULL; if (node) { core = new gnu::gcj::Core (); core->ptr = (gnu::gcj::RawData *) node->data; core->length = node->data_length; } return core; } gnu::gcj::Core * gnu::gcj::Core::find (jstring name) { gnu::gcj::Core *core = _Jv_create_core (root, name); return core; } gnu::gcj::Core * gnu::gcj::Core::create (jstring name) { gnu::gcj::Core *core = _Jv_create_core (root, name); if (core == NULL) throw new ::java::io::IOException (JvNewStringLatin1 ("can't open core")); return core; }