diff options
Diffstat (limited to 'libjava/java/lang/natRuntime.cc')
| -rw-r--r-- | libjava/java/lang/natRuntime.cc | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/libjava/java/lang/natRuntime.cc b/libjava/java/lang/natRuntime.cc deleted file mode 100644 index ad45066c261..00000000000 --- a/libjava/java/lang/natRuntime.cc +++ /dev/null @@ -1,210 +0,0 @@ -// natRuntime.cc - Implementation of native side of Runtime class. - -/* Copyright (C) 1998, 1999, 2000 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. */ - -#include <config.h> - -#include <stdlib.h> - -#include <gcj/cni.h> -#include <jvm.h> -#include <java/lang/Runtime.h> -#include <java/lang/UnknownError.h> -#include <java/lang/UnsatisfiedLinkError.h> - -#include <jni.h> - -#ifdef USE_LTDL -#include <ltdl.h> - -/* FIXME: we don't always need this. The next libtool will let us use - AC_LTDL_PREOPEN to see if we do. */ -const lt_dlsymlist lt_preloaded_symbols[1] = { { 0, 0 } }; - -// We keep track of all the libraries loaded by this application. For -// now we use them to look up symbols for JNI. `libraries_size' holds -// the total size of the buffer. `libraries_count' is the number of -// items which are in use. -static int libraries_size; -static int libraries_count; -static lt_dlhandle *libraries; - -static void -add_library (lt_dlhandle lib) -{ - if (libraries_count == libraries_size) - { - int ns = libraries_size * 2; - if (ns == 0) - ns = 10; - lt_dlhandle *n = (lt_dlhandle *) _Jv_Malloc (ns * sizeof (lt_dlhandle)); - if (libraries) - { - memcpy (n, libraries, libraries_size * sizeof (lt_dlhandle)); - _Jv_Free (libraries); - } - libraries = n; - libraries_size = ns; - for (int i = libraries_count; i < libraries_size; ++i) - libraries[i] = NULL; - } - - libraries[libraries_count++] = lib; -} - -void * -_Jv_FindSymbolInExecutable (const char *symname) -{ - for (int i = 0; i < libraries_count; ++i) - { - void *r = lt_dlsym (libraries[i], symname); - if (r) - return r; - } - - return lt_dlsym (NULL, symname); -} - -#endif /* USE_LTDL */ - -void -java::lang::Runtime::exit (jint status) -{ - checkExit (status); - - // Make status right for Unix. This is perhaps strange. - if (status < 0 || status > 255) - status = 255; - - if (finalize_on_exit) - _Jv_RunAllFinalizers (); - - ::exit (status); -} - -jlong -java::lang::Runtime::freeMemory (void) -{ - return _Jv_GCFreeMemory (); -} - -void -java::lang::Runtime::gc (void) -{ - _Jv_RunGC (); -} - -void -java::lang::Runtime::_load (jstring path, jboolean do_search) -{ - JvSynchronize sync (this); - checkLink (path); - using namespace java::lang; -#ifdef USE_LTDL - jint len = _Jv_GetStringUTFLength (path); - char buf[len + 1 + 3]; - int offset = 0; -#ifndef WIN32 - // On Unix boxes, prefix library name with `lib', for loadLibrary. - if (do_search) - { - strcpy (buf, "lib"); - offset = 3; - } -#endif - jsize total = JvGetStringUTFRegion (path, 0, path->length(), &buf[offset]); - buf[offset + total] = '\0'; - // FIXME: make sure path is absolute. - lt_dlhandle h = do_search ? lt_dlopenext (buf) : lt_dlopen (buf); - if (h == NULL) - { - const char *msg = lt_dlerror (); - jstring str = path->concat (JvNewStringLatin1 (": ")); - str = str->concat (JvNewStringLatin1 (msg)); - _Jv_Throw (new UnsatisfiedLinkError (str)); - } - - add_library (h); - - void *onload = lt_dlsym (h, "JNI_OnLoad"); - if (onload != NULL) - { - JavaVM *vm = _Jv_GetJavaVM (); - if (vm == NULL) - { - // FIXME: what? - return; - } - jint vers = ((jint (*) (JavaVM *, void *)) onload) (vm, NULL); - if (vers != JNI_VERSION_1_1 && vers != JNI_VERSION_1_2) - { - // FIXME: unload the library. - _Jv_Throw (new UnsatisfiedLinkError (JvNewStringLatin1 ("unrecognized version from JNI_OnLoad"))); - } - } -#else - _Jv_Throw (new UnknownError - (JvNewStringLatin1 (do_search - ? "Runtime.loadLibrary not implemented" - : "Runtime.load not implemented"))); -#endif /* USE_LTDL */ -} - -jboolean -java::lang::Runtime::loadLibraryInternal (jstring lib) -{ - JvSynchronize sync (this); - using namespace java::lang; -#ifdef USE_LTDL - jint len = _Jv_GetStringUTFLength (lib); - char buf[len + 1]; - jsize total = JvGetStringUTFRegion (lib, 0, lib->length(), buf); - buf[total] = '\0'; - // FIXME: make sure path is absolute. - lt_dlhandle h = lt_dlopenext (buf); - if (h != NULL) - add_library (h); - return h != NULL; -#else - return false; -#endif /* USE_LTDL */ -} - -void -java::lang::Runtime::init (void) -{ - finalize_on_exit = false; -#ifdef USE_LTDL - lt_dlinit (); -#endif -} - -void -java::lang::Runtime::runFinalization (void) -{ - _Jv_RunFinalizers (); -} - -jlong -java::lang::Runtime::totalMemory (void) -{ - return _Jv_GCTotalMemory (); -} - -void -java::lang::Runtime::traceInstructions (jboolean) -{ - // Do nothing. -} - -void -java::lang::Runtime::traceMethodCalls (jboolean) -{ - // Do nothing. -} |