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comparison src/share/vm/classfile/classLoader.cpp @ 2044:06f017f7daa7

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Merge.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Fri, 07 Jan 2011 18:18:08 +0100
parents 2d26b0046e0d 828eafbd85cc
children d25d4ca69222
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1942:00bc9eaf0e24 2044:06f017f7daa7
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 * 22 *
23 */ 23 */
24 24
25 #include "incls/_precompiled.incl" 25 #include "precompiled.hpp"
26 #include "incls/_classLoader.cpp.incl" 26 #include "classfile/classFileParser.hpp"
27 #include "classfile/classFileStream.hpp"
28 #include "classfile/classLoader.hpp"
29 #include "classfile/javaClasses.hpp"
30 #include "classfile/systemDictionary.hpp"
31 #include "classfile/vmSymbols.hpp"
32 #include "compiler/compileBroker.hpp"
33 #include "gc_interface/collectedHeap.inline.hpp"
34 #include "interpreter/bytecodeStream.hpp"
35 #include "interpreter/oopMapCache.hpp"
36 #include "memory/allocation.inline.hpp"
37 #include "memory/generation.hpp"
38 #include "memory/oopFactory.hpp"
39 #include "memory/universe.inline.hpp"
40 #include "oops/constantPoolKlass.hpp"
41 #include "oops/instanceKlass.hpp"
42 #include "oops/instanceRefKlass.hpp"
43 #include "oops/oop.inline.hpp"
44 #include "oops/symbolOop.hpp"
45 #include "prims/jvm_misc.hpp"
46 #include "runtime/arguments.hpp"
47 #include "runtime/compilationPolicy.hpp"
48 #include "runtime/fprofiler.hpp"
49 #include "runtime/handles.hpp"
50 #include "runtime/handles.inline.hpp"
51 #include "runtime/init.hpp"
52 #include "runtime/interfaceSupport.hpp"
53 #include "runtime/java.hpp"
54 #include "runtime/javaCalls.hpp"
55 #include "runtime/threadCritical.hpp"
56 #include "runtime/timer.hpp"
57 #include "services/management.hpp"
58 #include "services/threadService.hpp"
59 #include "utilities/events.hpp"
60 #include "utilities/hashtable.hpp"
61 #include "utilities/hashtable.inline.hpp"
62 #ifdef TARGET_OS_FAMILY_linux
63 # include "os_linux.inline.hpp"
64 #endif
65 #ifdef TARGET_OS_FAMILY_solaris
66 # include "os_solaris.inline.hpp"
67 #endif
68 #ifdef TARGET_OS_FAMILY_windows
69 # include "os_windows.inline.hpp"
70 #endif
27 71
28 72
29 // Entry points in zip.dll for loading zip/jar file entries 73 // Entry points in zip.dll for loading zip/jar file entries
30 74
31 typedef void * * (JNICALL *ZipOpen_t)(const char *name, char **pmsg); 75 typedef void * * (JNICALL *ZipOpen_t)(const char *name, char **pmsg);
158 } 202 }
159 // check if file exists 203 // check if file exists
160 struct stat st; 204 struct stat st;
161 if (os::stat(path, &st) == 0) { 205 if (os::stat(path, &st) == 0) {
162 // found file, open it 206 // found file, open it
163 int file_handle = hpi::open(path, 0, 0); 207 int file_handle = os::open(path, 0, 0);
164 if (file_handle != -1) { 208 if (file_handle != -1) {
165 // read contents into resource array 209 // read contents into resource array
166 u1* buffer = NEW_RESOURCE_ARRAY(u1, st.st_size); 210 u1* buffer = NEW_RESOURCE_ARRAY(u1, st.st_size);
167 size_t num_read = os::read(file_handle, (char*) buffer, st.st_size); 211 size_t num_read = os::read(file_handle, (char*) buffer, st.st_size);
168 // close file 212 // close file
169 hpi::close(file_handle); 213 os::close(file_handle);
170 // construct ClassFileStream 214 // construct ClassFileStream
171 if (num_read == (size_t)st.st_size) { 215 if (num_read == (size_t)st.st_size) {
172 if (UsePerfData) { 216 if (UsePerfData) {
173 ClassLoader::perf_sys_classfile_bytes_read()->inc(num_read); 217 ClassLoader::perf_sys_classfile_bytes_read()->inc(num_read);
174 } 218 }
557 // First make sure native library is loaded 601 // First make sure native library is loaded
558 os::native_java_library(); 602 os::native_java_library();
559 // Load zip library 603 // Load zip library
560 char path[JVM_MAXPATHLEN]; 604 char path[JVM_MAXPATHLEN];
561 char ebuf[1024]; 605 char ebuf[1024];
562 hpi::dll_build_name(path, sizeof(path), Arguments::get_dll_dir(), "zip"); 606 os::dll_build_name(path, sizeof(path), Arguments::get_dll_dir(), "zip");
563 void* handle = hpi::dll_load(path, ebuf, sizeof ebuf); 607 void* handle = os::dll_load(path, ebuf, sizeof ebuf);
564 if (handle == NULL) { 608 if (handle == NULL) {
565 vm_exit_during_initialization("Unable to load ZIP library", path); 609 vm_exit_during_initialization("Unable to load ZIP library", path);
566 } 610 }
567 // Lookup zip entry points 611 // Lookup zip entry points
568 ZipOpen = CAST_TO_FN_PTR(ZipOpen_t, hpi::dll_lookup(handle, "ZIP_Open")); 612 ZipOpen = CAST_TO_FN_PTR(ZipOpen_t, os::dll_lookup(handle, "ZIP_Open"));
569 ZipClose = CAST_TO_FN_PTR(ZipClose_t, hpi::dll_lookup(handle, "ZIP_Close")); 613 ZipClose = CAST_TO_FN_PTR(ZipClose_t, os::dll_lookup(handle, "ZIP_Close"));
570 FindEntry = CAST_TO_FN_PTR(FindEntry_t, hpi::dll_lookup(handle, "ZIP_FindEntry")); 614 FindEntry = CAST_TO_FN_PTR(FindEntry_t, os::dll_lookup(handle, "ZIP_FindEntry"));
571 ReadEntry = CAST_TO_FN_PTR(ReadEntry_t, hpi::dll_lookup(handle, "ZIP_ReadEntry")); 615 ReadEntry = CAST_TO_FN_PTR(ReadEntry_t, os::dll_lookup(handle, "ZIP_ReadEntry"));
572 ReadMappedEntry = CAST_TO_FN_PTR(ReadMappedEntry_t, hpi::dll_lookup(handle, "ZIP_ReadMappedEntry")); 616 ReadMappedEntry = CAST_TO_FN_PTR(ReadMappedEntry_t, os::dll_lookup(handle, "ZIP_ReadMappedEntry"));
573 GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, hpi::dll_lookup(handle, "ZIP_GetNextEntry")); 617 GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, os::dll_lookup(handle, "ZIP_GetNextEntry"));
574 618
575 // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL 619 // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL
576 if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL || GetNextEntry == NULL) { 620 if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL || GetNextEntry == NULL) {
577 vm_exit_during_initialization("Corrupted ZIP library", path); 621 vm_exit_during_initialization("Corrupted ZIP library", path);
578 } 622 }
579 623
580 // Lookup canonicalize entry in libjava.dll 624 // Lookup canonicalize entry in libjava.dll
581 void *javalib_handle = os::native_java_library(); 625 void *javalib_handle = os::native_java_library();
582 CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, hpi::dll_lookup(javalib_handle, "Canonicalize")); 626 CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
583 // This lookup only works on 1.3. Do not check for non-null here 627 // This lookup only works on 1.3. Do not check for non-null here
584 } 628 }
585 629
586 // PackageInfo data exists in order to support the java.lang.Package 630 // PackageInfo data exists in order to support the java.lang.Package
587 // class. A Package object provides information about a java package 631 // class. A Package object provides information about a java package
1026 1070
1027 bool ClassLoader::get_canonical_path(char* orig, char* out, int len) { 1071 bool ClassLoader::get_canonical_path(char* orig, char* out, int len) {
1028 assert(orig != NULL && out != NULL && len > 0, "bad arguments"); 1072 assert(orig != NULL && out != NULL && len > 0, "bad arguments");
1029 if (CanonicalizeEntry != NULL) { 1073 if (CanonicalizeEntry != NULL) {
1030 JNIEnv* env = JavaThread::current()->jni_environment(); 1074 JNIEnv* env = JavaThread::current()->jni_environment();
1031 if ((CanonicalizeEntry)(env, hpi::native_path(orig), out, len) < 0) { 1075 if ((CanonicalizeEntry)(env, os::native_path(orig), out, len) < 0) {
1032 return false; 1076 return false;
1033 } 1077 }
1034 } else { 1078 } else {
1035 // On JDK 1.2.2 the Canonicalize does not exist, so just do nothing 1079 // On JDK 1.2.2 the Canonicalize does not exist, so just do nothing
1036 strncpy(out, orig, len); 1080 strncpy(out, orig, len);