Mercurial > hg > release > icedtea7-forest-2.5 > hotspot
changeset 5713:10328b4f16b2
Merge
| author | asaha |
|---|---|
| date | Wed, 18 Jun 2014 13:56:36 -0700 |
| parents | a8bfc7ca56a6 (current diff) f95d6d32e080 (diff) |
| children | 0fd259d6dc5d |
| files | make/hotspot_version |
| diffstat | 37 files changed, 447 insertions(+), 153 deletions(-) [+] |
line wrap: on
line diff
--- a/.hgtags Mon Feb 24 10:46:40 2014 +0000 +++ b/.hgtags Wed Jun 18 13:56:36 2014 -0700 @@ -616,6 +616,7 @@ 408028d410e316a99495c42df0031018890c22fe jdk7u55-b02 50fb91504dd8cdf410eb956075442daf3aacf1db jdk7u55-b03 3be3b8a032a5508646c1c5620cee18d3e69fc708 jdk7u55-b04 +b86119fa2748bd91ae4984ff2264da92b6626f8c jdk7u65-b00 b86119fa2748bd91ae4984ff2264da92b6626f8c jdk7u55-b05 260d919d52e500a0b20f911fade2a7710474067a jdk7u55-b06 8cf6e0a3a0651c4132ae034c2b68ddf4eb5c4d88 jdk7u55-b07 @@ -629,6 +630,11 @@ d27b468d5f3be3329ff1ff342f3347e6b2e0303b jdk7u55-b30 dff9147a781672f20bb0577a94233264ea4a95d1 jdk7u55-b14 8175599864880938d68d0a515fa561043d7d5fd0 jdk7u55-b31 +ba9270b8fb1f4852ff1d9dab15571eb9e0714495 jdk7u55-b32 +0901a8cf66a0494b55bf104c9666d4e3c6ff93f0 jdk7u55-b33 +278d7e230b297a4632b94ddc07d591e74736e039 jdk7u55-b34 +db88943dba0b7672a09e22974934022fbe8ba8dd jdk7u55-b35 +b3e388601b0fc0922b311e2cc68b9417cedd16ef jdk7u55-b36 ae4adc1492d1c90a70bd2d139a939fc0c8329be9 jdk7u60-b00 af1fc2868a2b919727bfbb0858449bd991bbee4a jdk7u40-b60 cc83359f5e5eb46dd9176b0a272390b1a0a51fdc hs24.60-b01 @@ -655,7 +661,39 @@ b226be2040f971855626f5b88cb41a7d5299fea0 jdk7u60-b14 2871f345b7e5585e20dc7aa91035967fe774cfba jdk7u60-b15 ec76bacbb5b90efc7988dee5345c656126b97561 jdk7u60-b16 +617a6338e0c4f7699eed5061d7e8f576c3ace029 jdk7u60-b17 617a6338e0c4f7699eed5061d7e8f576c3ace029 jdk7u60-b18 -617a6338e0c4f7699eed5061d7e8f576c3ace029 jdk7u60-b17 +4a9635c98a917cfcef506ca5d034c733a33c53f3 jdk7u65-b01 361493c7cdb5f75b28efc63389d6cebaaaa43a2c jdk7u60-b19 13f561930b3e80a94e2baddc51dfc6c43c5ca601 jdk7u60-b30 +35b2dbe7f7c69ea0f2feb1e66fe8651511a5fb6d jdk7u60-b31 +f166d2e391993f1b12b4ad1685baf999c78e6372 jdk7u60-b32 +cc1fea28c886ef100632247a708eac0c83640914 jdk7u60-b33 +eb797fab50d3b440b17b3e7c5d83f42bfa73655e jdk7u65-b02 +bb00df28ecdbd0da89ab4ed81f6f2b732fa512da jdk7u65-b03 +848481af9003067546c7f34c166bb8d745b95d5f jdk7u65-b04 +98a884fa64a9ef1753a28691106efe10942b9d70 jdk7u65-b05 +6f1dddf9c632bfb14121c9521d17b64bd0be0cd2 jdk7u65-b06 +a053d3d805355ffcd85c17e653182e17d4456bd5 jdk7u65-b07 +6f03dfb50363d26599fcf726586ea3f6d0e0347d jdk7u65-b08 +b4930eb1ea7630b4d8609e2efe6f000d3dc83235 jdk7u65-b09 +4736382ac9d999044b05eb26932ab6fc59dbb159 jdk7u65-b10 +7345c7bf20fd8c91492240a95082af9a201b3a96 jdk7u65-b11 +28b81694b89f88541e28bbc767d78e77ec66cce6 jdk7u65-b12 +f4ed018b4c51dae699da835617b19e8a49c124a4 jdk7u65-b13 +7ec585caae47f7202fb5357607f9ad058b03870e jdk7u65-b14 +7058f0d30de6826b6866ce2d146c63e943be33af jdk7u65-b15 +f1b2970a2564c3360db420431cfbba215da6ae43 jdk7u65-b16 +4c6df9a369cb9d54fe2d898452883a22b8ec6640 jdk7u65-b17 +6b37a189944aaa09e81d97d394496464d16bee42 jdk7u66-b00 +121dc94194d9234e2b13c867d875e23e1bdd6abd jdk7u66-b01 +f28ea516eb0b9e99f1e342954ab4642456af4da1 jdk7u66-b09 +3dc6ae1972a45ba563518cc0e51f09885258f69d jdk7u66-b10 +8d2b3f7d5b3001d019832476d684679ca6be0c8d jdk7u66-b11 +5ee19b64ef208daaef91f063d800aa162427f8f6 jdk7u66-b12 +a1e6f9c4c1f47be1b0edef6bd92399f8f07b7d15 jdk7u66-b13 +b44baba406f2de6eeccc57dbfae653cf124b527b jdk7u66-b14 +d20b495c96d3f8899a64657aba0fc72799773cb3 jdk7u66-b15 +3bbfed065c601187449d319fd70bba6ae1ebb707 jdk7u66-b16 +4abb71ff14b2e6cf932e5c61900f480d5e1afedb jdk7u66-b17 +4ceb9c03fe8ee6b93d22854780ef8c737edd14b2 jdk7u71-b00
--- a/make/bsd/makefiles/mapfile-vers-debug Mon Feb 24 10:46:40 2014 +0000 +++ b/make/bsd/makefiles/mapfile-vers-debug Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ # -# Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -82,6 +82,7 @@ _JVM_EnableCompiler _JVM_Exit _JVM_FillInStackTrace + _JVM_FindClassFromCaller _JVM_FindClassFromClass _JVM_FindClassFromClassLoader _JVM_FindClassFromBootLoader
--- a/make/bsd/makefiles/mapfile-vers-product Mon Feb 24 10:46:40 2014 +0000 +++ b/make/bsd/makefiles/mapfile-vers-product Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ # -# Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -82,6 +82,7 @@ _JVM_EnableCompiler _JVM_Exit _JVM_FillInStackTrace + _JVM_FindClassFromCaller _JVM_FindClassFromClass _JVM_FindClassFromClassLoader _JVM_FindClassFromBootLoader
--- a/make/linux/makefiles/mapfile-vers-debug Mon Feb 24 10:46:40 2014 +0000 +++ b/make/linux/makefiles/mapfile-vers-debug Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ # -# Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -84,6 +84,7 @@ JVM_EnableCompiler; JVM_Exit; JVM_FillInStackTrace; + JVM_FindClassFromCaller; JVM_FindClassFromClass; JVM_FindClassFromClassLoader; JVM_FindClassFromBootLoader;
--- a/make/linux/makefiles/mapfile-vers-product Mon Feb 24 10:46:40 2014 +0000 +++ b/make/linux/makefiles/mapfile-vers-product Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ # -# Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -84,6 +84,7 @@ JVM_EnableCompiler; JVM_Exit; JVM_FillInStackTrace; + JVM_FindClassFromCaller; JVM_FindClassFromClass; JVM_FindClassFromClassLoader; JVM_FindClassFromBootLoader;
--- a/make/solaris/makefiles/mapfile-vers Mon Feb 24 10:46:40 2014 +0000 +++ b/make/solaris/makefiles/mapfile-vers Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ # -# Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -84,6 +84,7 @@ JVM_EnableCompiler; JVM_Exit; JVM_FillInStackTrace; + JVM_FindClassFromCaller; JVM_FindClassFromClass; JVM_FindClassFromClassLoader; JVM_FindClassFromBootLoader;
--- a/make/windows/makefiles/trace.make Mon Feb 24 10:46:40 2014 +0000 +++ b/make/windows/makefiles/trace.make Wed Jun 18 13:56:36 2014 -0700 @@ -40,8 +40,7 @@ traceEventIds.hpp \ traceTypes.hpp - -!if "$(OPENJDK)" != "true" +!if EXISTS($(TraceAltSrcDir)) TraceGeneratedNames = $(TraceGeneratedNames) \ traceRequestables.hpp \ traceEventControl.hpp \ @@ -56,7 +55,7 @@ $(TraceOutDir)/traceEventIds.hpp \ $(TraceOutDir)/traceTypes.hpp -!if "$(OPENJDK)" != "true" +!if EXISTS($(TraceAltSrcDir)) TraceGeneratedFiles = $(TraceGeneratedFiles) \ $(TraceOutDir)/traceRequestables.hpp \ $(TraceOutDir)/traceEventControl.hpp \ @@ -68,7 +67,7 @@ XML_DEPS = $(TraceSrcDir)/trace.xml $(TraceSrcDir)/tracetypes.xml \ $(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod -!if "$(OPENJDK)" != "true" +!if EXISTS($(TraceAltSrcDir)) XML_DEPS = $(XML_DEPS) $(TraceAltSrcDir)/traceevents.xml !endif @@ -87,7 +86,7 @@ @echo Generating $@ @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceSrcDir)/traceTypes.xsl -OUT $(TraceOutDir)/traceTypes.hpp -!if "$(OPENJDK)" == "true" +!if !EXISTS($(TraceAltSrcDir)) $(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventClasses.xsl $(XML_DEPS) @echo Generating $@
--- a/src/os/bsd/vm/os_bsd.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/os/bsd/vm/os_bsd.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -1819,9 +1819,6 @@ ::abort(); } -// unused on bsd for now. -void os::set_error_file(const char *logfile) {} - // This method is a copy of JDK's sysGetLastErrorString // from src/solaris/hpi/src/system_md.c @@ -2585,6 +2582,7 @@ // determine if this is a legacy image or modules image // modules image doesn't have "jre" subdirectory len = strlen(buf); + assert(len < buflen, "Ran out of buffer space"); jrelib_p = buf + len; // Add the appropriate library subdir @@ -2620,7 +2618,7 @@ } } - strcpy(saved_jvm_path, buf); + strncpy(saved_jvm_path, buf, MAXPATHLEN); } void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
--- a/src/os/linux/vm/os_linux.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/os/linux/vm/os_linux.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -1614,9 +1614,6 @@ ::abort(); } -// unused on linux for now. -void os::set_error_file(const char *logfile) {} - // This method is a copy of JDK's sysGetLastErrorString // from src/solaris/hpi/src/system_md.c @@ -2413,6 +2410,7 @@ // determine if this is a legacy image or modules image // modules image doesn't have "jre" subdirectory len = strlen(buf); + assert(len < buflen, "Ran out of buffer room"); jrelib_p = buf + len; snprintf(jrelib_p, buflen-len, "/jre/lib/%s", cpu_arch); if (0 != access(buf, F_OK)) { @@ -2435,7 +2433,7 @@ } } - strcpy(saved_jvm_path, buf); + strncpy(saved_jvm_path, buf, MAXPATHLEN); } void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
--- a/src/os/solaris/vm/os_solaris.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/os/solaris/vm/os_solaris.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -1877,9 +1877,6 @@ ::abort(); // dump core (for debugging) } -// unused -void os::set_error_file(const char *logfile) {} - // DLL functions const char* os::dll_file_extension() { return ".so"; } @@ -2561,6 +2558,7 @@ // determine if this is a legacy image or modules image // modules image doesn't have "jre" subdirectory len = strlen(buf); + assert(len < buflen, "Ran out of buffer space"); jrelib_p = buf + len; snprintf(jrelib_p, buflen-len, "/jre/lib/%s", cpu_arch); if (0 != access(buf, F_OK)) { @@ -2581,7 +2579,7 @@ } } - strcpy(saved_jvm_path, buf); + strncpy(saved_jvm_path, buf, MAXPATHLEN); }
--- a/src/os/windows/vm/os_windows.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/os/windows/vm/os_windows.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1773,27 +1773,28 @@ // libjvm.so is installed there (append a fake suffix // hotspot/libjvm.so). char* java_home_var = ::getenv("JAVA_HOME"); - if (java_home_var != NULL && java_home_var[0] != 0) { - - strncpy(buf, java_home_var, buflen); - - // determine if this is a legacy image or modules image - // modules image doesn't have "jre" subdirectory - size_t len = strlen(buf); - char* jrebin_p = buf + len; - jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\"); - if (0 != _access(buf, 0)) { - jio_snprintf(jrebin_p, buflen-len, "\\bin\\"); - } - len = strlen(buf); - jio_snprintf(buf + len, buflen-len, "hotspot\\jvm.dll"); + if (java_home_var != NULL && java_home_var[0] != 0 && + strlen(java_home_var) < (size_t)buflen) { + + strncpy(buf, java_home_var, buflen); + + // determine if this is a legacy image or modules image + // modules image doesn't have "jre" subdirectory + size_t len = strlen(buf); + char* jrebin_p = buf + len; + jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\"); + if (0 != _access(buf, 0)) { + jio_snprintf(jrebin_p, buflen-len, "\\bin\\"); + } + len = strlen(buf); + jio_snprintf(buf + len, buflen-len, "hotspot\\jvm.dll"); } } if(buf[0] == '\0') { - GetModuleFileName(vm_lib_handle, buf, buflen); - } - strcpy(saved_jvm_path, buf); + GetModuleFileName(vm_lib_handle, buf, buflen); + } + strncpy(saved_jvm_path, buf, MAX_PATH); } @@ -2218,17 +2219,6 @@ #endif //_WIN64 -// Fatal error reporting is single threaded so we can make this a -// static and preallocated. If it's more than MAX_PATH silently ignore -// it. -static char saved_error_file[MAX_PATH] = {0}; - -void os::set_error_file(const char *logfile) { - if (strlen(logfile) <= MAX_PATH) { - strncpy(saved_error_file, logfile, MAX_PATH); - } -} - static inline void report_error(Thread* t, DWORD exception_code, address addr, void* siginfo, void* context) { VMError err(t, exception_code, addr, siginfo, context);
--- a/src/share/vm/adlc/formssel.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/adlc/formssel.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -536,12 +536,6 @@ if( data_type != Form::none ) rematerialize = true; - // Ugly: until a better fix is implemented, disable rematerialization for - // negD nodes because they are proved to be problematic. - if (is_ideal_negD()) { - return false; - } - // Constants if( _components.count() == 1 && _components[0]->is(Component::USE_DEF) ) rematerialize = true;
--- a/src/share/vm/classfile/classFileParser.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/classfile/classFileParser.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -961,7 +961,7 @@ "Wrong size %u for field's Signature attribute in class file %s", attribute_length, CHECK); } - generic_signature_index = cfs->get_u2(CHECK); + generic_signature_index = parse_generic_signature_attribute(cp, CHECK); } else if (attribute_name == vmSymbols::tag_runtime_visible_annotations()) { runtime_visible_annotations_length = attribute_length; runtime_visible_annotations = cfs->get_u1_buffer(); @@ -1698,7 +1698,8 @@ } // Sift through annotations, looking for those significant to the VM: -void ClassFileParser::parse_annotations(u1* buffer, int limit, +void ClassFileParser::parse_annotations(Handle class_loader, + u1* buffer, int limit, constantPoolHandle cp, ClassFileParser::AnnotationCollector* coll, TRAPS) { @@ -1736,7 +1737,7 @@ } // Here is where parsing particular annotations will take place. - AnnotationCollector::ID id = coll->annotation_index(aname); + AnnotationCollector::ID id = coll->annotation_index(class_loader, is_anonymous(), aname); if (id == AnnotationCollector::_unknown) continue; coll->set_annotation(id); // If there are no values, just set the bit and move on: @@ -1765,20 +1766,30 @@ } } -ClassFileParser::AnnotationCollector::ID ClassFileParser::AnnotationCollector::annotation_index(Symbol* name) { +ClassFileParser::AnnotationCollector::ID ClassFileParser::AnnotationCollector::annotation_index(Handle class_loader, + bool is_anonymous, + Symbol* name) { vmSymbols::SID sid = vmSymbols::find_sid(name); + // Privileged code can use all annotations. Other code silently drops some. + const bool privileged = class_loader.is_null() || is_anonymous || + class_loader()->klass()->klass_part()->name() == + vmSymbols::sun_misc_Launcher_ExtClassLoader(); switch (sid) { case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_ForceInline_signature): if (_location != _in_method) break; // only allow for methods + if (!privileged) break; // only allow in privileged code return _method_ForceInline; case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_DontInline_signature): if (_location != _in_method) break; // only allow for methods + if (!privileged) break; // only allow in privileged code return _method_DontInline; case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_LambdaForm_Compiled_signature): if (_location != _in_method) break; // only allow for methods + if (!privileged) break; // only allow in privileged code return _method_LambdaForm_Compiled; case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_LambdaForm_Hidden_signature): if (_location != _in_method) break; // only allow for methods + if (!privileged) break; // only allow in privileged code return _method_LambdaForm_Hidden; default: break; } @@ -1818,8 +1829,8 @@ // from the method back up to the containing klass. These flag values // are added to klass's access_flags. -methodHandle ClassFileParser::parse_method(constantPoolHandle cp, bool is_interface, - AccessFlags *promoted_flags, +methodHandle ClassFileParser::parse_method(Handle class_loader, constantPoolHandle cp, + bool is_interface, AccessFlags *promoted_flags, typeArrayHandle* method_annotations, typeArrayHandle* method_parameter_annotations, typeArrayHandle* method_default_annotations, @@ -2122,13 +2133,12 @@ "Invalid Signature attribute length %u in class file %s", method_attribute_length, CHECK_(nullHandle)); } - cfs->guarantee_more(2, CHECK_(nullHandle)); // generic_signature_index - generic_signature_index = cfs->get_u2_fast(); + generic_signature_index = parse_generic_signature_attribute(cp, CHECK_(nullHandle)); } else if (method_attribute_name == vmSymbols::tag_runtime_visible_annotations()) { runtime_visible_annotations_length = method_attribute_length; runtime_visible_annotations = cfs->get_u1_buffer(); assert(runtime_visible_annotations != NULL, "null visible annotations"); - parse_annotations(runtime_visible_annotations, runtime_visible_annotations_length, cp, &parsed_annotations, CHECK_(nullHandle)); + parse_annotations(class_loader, runtime_visible_annotations, runtime_visible_annotations_length, cp, &parsed_annotations, CHECK_(nullHandle)); cfs->skip_u1(runtime_visible_annotations_length, CHECK_(nullHandle)); } else if (PreserveAllAnnotations && method_attribute_name == vmSymbols::tag_runtime_invisible_annotations()) { runtime_invisible_annotations_length = method_attribute_length; @@ -2357,8 +2367,8 @@ // from the methods back up to the containing klass. These flag values // are added to klass's access_flags. -objArrayHandle ClassFileParser::parse_methods(constantPoolHandle cp, bool is_interface, - AccessFlags* promoted_flags, +objArrayHandle ClassFileParser::parse_methods(Handle class_loader, constantPoolHandle cp, + bool is_interface, AccessFlags* promoted_flags, bool* has_final_method, objArrayOop* methods_annotations_oop, objArrayOop* methods_parameter_annotations_oop, @@ -2381,7 +2391,8 @@ objArrayHandle methods_parameter_annotations; objArrayHandle methods_default_annotations; for (int index = 0; index < length; index++) { - methodHandle method = parse_method(cp, is_interface, + methodHandle method = parse_method(class_loader, cp, + is_interface, promoted_flags, &method_annotations, &method_parameter_annotations, @@ -2490,6 +2501,17 @@ } } +// Parse generic_signature attribute for methods and fields +u2 ClassFileParser::parse_generic_signature_attribute(constantPoolHandle cp, TRAPS) { + ClassFileStream* cfs = stream(); + cfs->guarantee_more(2, CHECK_0); // generic_signature_index + u2 generic_signature_index = cfs->get_u2_fast(); + check_property( + valid_symbol_at(cp, generic_signature_index), + "Invalid Signature attribute at constant pool index %u in class file %s", + generic_signature_index, CHECK_0); + return generic_signature_index; +} void ClassFileParser::parse_classfile_sourcefile_attribute(constantPoolHandle cp, TRAPS) { ClassFileStream* cfs = stream(); @@ -2654,18 +2676,19 @@ ClassFileStream* cfs = stream(); u1* current_start = cfs->current(); - cfs->guarantee_more(2, CHECK); // length + guarantee_property(attribute_byte_length > sizeof(u2), + "Invalid BootstrapMethods attribute length %u in class file %s", + attribute_byte_length, + CHECK); + + cfs->guarantee_more(attribute_byte_length, CHECK); + int attribute_array_length = cfs->get_u2_fast(); guarantee_property(_max_bootstrap_specifier_index < attribute_array_length, "Short length on BootstrapMethods in class file %s", CHECK); - guarantee_property(attribute_byte_length > sizeof(u2), - "Invalid BootstrapMethods attribute length %u in class file %s", - attribute_byte_length, - CHECK); - // The attribute contains a counted array of counted tuples of shorts, // represending bootstrap specifiers: // length*{bootstrap_method_index, argument_count*{argument_index}} @@ -2698,6 +2721,11 @@ "bootstrap_method_index %u has bad constant type in class file %s", bootstrap_method_index, CHECK); + + guarantee_property((operand_fill_index + 1 + argument_count) < operands->length(), + "Invalid BootstrapMethods num_bootstrap_methods or num_bootstrap_arguments value in class file %s", + CHECK); + operands->short_at_put(operand_fill_index++, bootstrap_method_index); operands->short_at_put(operand_fill_index++, argument_count); @@ -2715,7 +2743,6 @@ } assert(operand_fill_index == operands()->length(), "exact fill"); - assert(constantPoolOopDesc::operand_array_length(operands()) == attribute_array_length, "correct decode"); u1* current_end = cfs->current(); guarantee_property(current_end == current_start + attribute_byte_length, @@ -2726,7 +2753,8 @@ } -void ClassFileParser::parse_classfile_attributes(constantPoolHandle cp, +void ClassFileParser::parse_classfile_attributes(Handle class_loader, + constantPoolHandle cp, ClassFileParser::ClassAnnotationCollector* parsed_annotations, TRAPS) { ClassFileStream* cfs = stream(); @@ -2809,7 +2837,8 @@ runtime_visible_annotations_length = attribute_length; runtime_visible_annotations = cfs->get_u1_buffer(); assert(runtime_visible_annotations != NULL, "null visible annotations"); - parse_annotations(runtime_visible_annotations, + parse_annotations(class_loader, + runtime_visible_annotations, runtime_visible_annotations_length, cp, parsed_annotations, @@ -3172,7 +3201,8 @@ objArrayOop methods_annotations_oop = NULL; objArrayOop methods_parameter_annotations_oop = NULL; objArrayOop methods_default_annotations_oop = NULL; - objArrayHandle methods = parse_methods(cp, access_flags.is_interface(), + objArrayHandle methods = parse_methods(class_loader, cp, + access_flags.is_interface(), &promoted_flags, &has_final_method, &methods_annotations_oop, @@ -3186,7 +3216,7 @@ // Additional attributes ClassAnnotationCollector parsed_annotations; - parse_classfile_attributes(cp, &parsed_annotations, CHECK_(nullHandle)); + parse_classfile_attributes(class_loader, cp, &parsed_annotations, CHECK_(nullHandle)); // Make sure this is the end of class file stream guarantee_property(cfs->at_eos(), "Extra bytes at the end of class file %s", CHECK_(nullHandle));
--- a/src/share/vm/classfile/classFileParser.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/classfile/classFileParser.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -102,7 +102,7 @@ assert((int)_annotation_LIMIT <= (int)sizeof(_annotations_present) * BitsPerByte, ""); } // If this annotation name has an ID, report it (or _none). - ID annotation_index(Symbol* name); + ID annotation_index(Handle class_loader, bool is_anonymous, Symbol* name); // Set the annotation name: void set_annotation(ID id) { assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob"); @@ -169,14 +169,14 @@ u2* java_fields_count_ptr, TRAPS); // Method parsing - methodHandle parse_method(constantPoolHandle cp, bool is_interface, - AccessFlags* promoted_flags, + methodHandle parse_method(Handle class_loader, constantPoolHandle cp, + bool is_interface, AccessFlags* promoted_flags, typeArrayHandle* method_annotations, typeArrayHandle* method_parameter_annotations, typeArrayHandle* method_default_annotations, TRAPS); - objArrayHandle parse_methods (constantPoolHandle cp, bool is_interface, - AccessFlags* promoted_flags, + objArrayHandle parse_methods (Handle class_loader, constantPoolHandle cp, + bool is_interface, AccessFlags* promoted_flags, bool* has_final_method, objArrayOop* methods_annotations_oop, objArrayOop* methods_parameter_annotations_oop, @@ -202,6 +202,7 @@ typeArrayOop parse_stackmap_table(u4 code_attribute_length, TRAPS); // Classfile attribute parsing + u2 parse_generic_signature_attribute(constantPoolHandle cp, TRAPS); void parse_classfile_sourcefile_attribute(constantPoolHandle cp, TRAPS); void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, int length, TRAPS); u2 parse_classfile_inner_classes_attribute(u1* inner_classes_attribute_start, @@ -210,7 +211,8 @@ u2 enclosing_method_method_index, constantPoolHandle cp, TRAPS); - void parse_classfile_attributes(constantPoolHandle cp, + void parse_classfile_attributes(Handle class_loader, + constantPoolHandle cp, ClassAnnotationCollector* parsed_annotations, TRAPS); void parse_classfile_synthetic_attribute(constantPoolHandle cp, TRAPS); @@ -224,7 +226,7 @@ int runtime_invisible_annotations_length, TRAPS); int skip_annotation(u1* buffer, int limit, int index); int skip_annotation_value(u1* buffer, int limit, int index); - void parse_annotations(u1* buffer, int limit, constantPoolHandle cp, + void parse_annotations(Handle class_loader, u1* buffer, int limit, constantPoolHandle cp, /* Results (currently, only one result is supported): */ AnnotationCollector* result, TRAPS); @@ -335,6 +337,12 @@ : cp->tag_at(index).is_klass_reference()); } + // Checks that the cpool index is in range and is a utf8 + bool valid_symbol_at(constantPoolHandle cp, int cpool_index) { + return (cp->is_within_bounds(cpool_index) && + cp->tag_at(cpool_index).is_utf8()); + } + public: // Constructor ClassFileParser(ClassFileStream* st) { set_stream(st); }
--- a/src/share/vm/classfile/stackMapTable.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/classfile/stackMapTable.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -134,6 +134,7 @@ } // check if uninitialized objects exist on backward branches check_new_object(frame, target, CHECK_VERIFY(frame->verifier())); + frame->verifier()->update_furthest_jump(target); } void StackMapTable::check_new_object(
--- a/src/share/vm/classfile/verifier.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/classfile/verifier.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -629,6 +629,9 @@ bool no_control_flow = false; // Set to true when there is no direct control // flow from current instruction to the next // instruction in sequence + + set_furthest_jump(0); + Bytecodes::Code opcode; while (!bcs.is_last_bytecode()) { // Check for recursive re-verification before each bytecode. @@ -2239,6 +2242,29 @@ "Bad <init> method call"); return; } + + // Make sure that this call is not jumped over. + if (bci < furthest_jump()) { + verify_error(ErrorContext::bad_code(bci), + "Bad <init> method call from inside of a branch"); + return; + } + + // Make sure that this call is not done from within a TRY block because + // that can result in returning an incomplete object. Simply checking + // (bci >= start_pc) also ensures that this call is not done after a TRY + // block. That is also illegal because this call must be the first Java + // statement in the constructor. + ExceptionTable exhandlers(_method()); + int exlength = exhandlers.length(); + for(int i = 0; i < exlength; i++) { + if (bci >= exhandlers.start_pc(i)) { + verify_error(ErrorContext::bad_code(bci), + "Bad <init> method call from after the start of a try block"); + return; + } + } + current_frame->initialize_object(type, current_type()); *this_uninit = true; } else if (type.is_uninitialized()) { @@ -2275,6 +2301,11 @@ methodOop m = instanceKlass::cast(ref_klass)->uncached_lookup_method( vmSymbols::object_initializer_name(), cp->signature_ref_at(bcs->get_index_u2())); + if (m == NULL) { + verify_error(ErrorContext::bad_code(bci), + "Call to missing <init> method"); + return; + } instanceKlassHandle mh(THREAD, m->method_holder()); if (m->is_protected() && !mh->is_same_class_package(_klass())) { bool assignable = current_type().is_assignable_from(
--- a/src/share/vm/classfile/verifier.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/classfile/verifier.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -256,6 +256,9 @@ ErrorContext _error_context; // contains information about an error + // Used to detect illegal jumps over calls to super() and this() in ctors. + int32_t _furthest_jump; + void verify_method(methodHandle method, TRAPS); char* generate_code_data(methodHandle m, u4 code_length, TRAPS); void verify_exception_handler_table(u4 code_length, char* code_data, @@ -398,6 +401,20 @@ Symbol* create_temporary_symbol(const char *s, int length, TRAPS); TypeOrigin ref_ctx(const char* str, TRAPS); + + // Keep track of the furthest branch done in a method to make sure that + // there are no branches over calls to super() or this() from inside of + // a constructor. + int32_t furthest_jump() { return _furthest_jump; } + + void set_furthest_jump(int32_t target) { + _furthest_jump = target; + } + + void update_furthest_jump(int32_t target) { + if (target > _furthest_jump) _furthest_jump = target; + } + }; inline int ClassVerifier::change_sig_to_verificationType(
--- a/src/share/vm/compiler/compileBroker.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/compiler/compileBroker.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -1921,6 +1921,7 @@ ResourceMark rm; char* method_name = method->name()->as_C_string(); strncpy(_last_method_compiled, method_name, CompileBroker::name_buffer_length); + _last_method_compiled[CompileBroker::name_buffer_length - 1] = '\0'; // ensure null terminated char current_method[CompilerCounters::cmname_buffer_length]; size_t maxLen = CompilerCounters::cmname_buffer_length;
--- a/src/share/vm/interpreter/linkResolver.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/interpreter/linkResolver.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -187,6 +187,14 @@ void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { methodOop result_oop = klass->uncached_lookup_method(name, signature); + + //JDK 7 does not support default methods, but this code ported from JDK8 to keep code consistent for all JDK. + if (klass->oop_is_array()) { + // Only consider klass and super klass for arrays + result = methodHandle(THREAD, result_oop); + return; + } + if (EnableInvokeDynamic && result_oop != NULL) { vmIntrinsics::ID iid = result_oop->intrinsic_id(); if (MethodHandles::is_signature_polymorphic(iid)) { @@ -421,7 +429,7 @@ // 2. lookup method in resolved klass and its super klasses lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); - if (resolved_method.is_null()) { // not found in the class hierarchy + if (resolved_method.is_null() && !resolved_klass->oop_is_array()) { // not found in the class hierarchy // 3. lookup method in all the interfaces implemented by the resolved klass lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); @@ -434,16 +442,16 @@ CLEAR_PENDING_EXCEPTION; } } + } - if (resolved_method.is_null()) { - // 4. method lookup failed - ResourceMark rm(THREAD); - THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(), - methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), - method_name, - method_signature), - nested_exception); - } + if (resolved_method.is_null()) { + // 4. method lookup failed + ResourceMark rm(THREAD); + THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(), + methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), + method_name, + method_signature), + nested_exception); } // 5. check if method is concrete @@ -514,17 +522,18 @@ // lookup method in this interface or its super, java.lang.Object lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); - if (resolved_method.is_null()) { + if (resolved_method.is_null() && !resolved_klass->oop_is_array()) { // lookup method in all the super-interfaces lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); - if (resolved_method.is_null()) { - // no method found - ResourceMark rm(THREAD); - THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), - methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), - method_name, - method_signature)); - } + } + + if (resolved_method.is_null()) { + // no method found + ResourceMark rm(THREAD); + THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), + methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), + method_name, + method_signature)); } if (check_access) { @@ -614,7 +623,7 @@ // Resolve instance field fieldDescriptor fd; // find_field initializes fd if found - KlassHandle sel_klass(THREAD, instanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); + KlassHandle sel_klass(THREAD, resolved_klass->find_field(field, sig, &fd)); // check if field exists; i.e., if a klass containing the field def has been selected if (sel_klass.is_null()){ ResourceMark rm(THREAD);
--- a/src/share/vm/oops/arrayKlass.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/oops/arrayKlass.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -64,6 +64,13 @@ return NULL; } +// find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined +klassOop arrayKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const { + // There are no fields in an array klass but look to the super class (Object) + assert(super(), "super klass must be present"); + return Klass::cast(super())->find_field(name, sig, fd); +} + methodOop arrayKlass::uncached_lookup_method(Symbol* name, Symbol* signature) const { // There are no methods in an array klass but the super class (Object) has some assert(super(), "super klass must be present");
--- a/src/share/vm/oops/arrayKlass.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/oops/arrayKlass.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -30,6 +30,8 @@ #include "oops/klassOop.hpp" #include "oops/klassVtable.hpp" +class fieldDescriptor; + // arrayKlass is the abstract baseclass for all array classes class arrayKlass: public Klass { @@ -83,6 +85,9 @@ virtual oop multi_allocate(int rank, jint* sizes, TRAPS); objArrayOop allocate_arrayArray(int n, int length, TRAPS); + // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined + klassOop find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; + // Lookup operations methodOop uncached_lookup_method(Symbol* name, Symbol* signature) const;
--- a/src/share/vm/oops/klass.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/oops/klass.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -119,6 +119,15 @@ return is_subclass_of(k); } +klassOop Klass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const { +#ifdef ASSERT + tty->print_cr("Error: find_field called on a klass oop." + " Likely error: reflection method does not correctly" + " wrap return value in a mirror object."); +#endif + ShouldNotReachHere(); + return NULL; +} methodOop Klass::uncached_lookup_method(Symbol* name, Symbol* signature) const { #ifdef ASSERT
--- a/src/share/vm/oops/klass.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/oops/klass.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -88,6 +88,7 @@ class klassVtable; class KlassHandle; class OrderAccess; +class fieldDescriptor; // Holder (or cage) for the C++ vtable of each kind of Klass. // We want to tightly constrain the location of the C++ vtable in the overall layout. @@ -514,6 +515,7 @@ virtual void initialize(TRAPS); // lookup operation for MethodLookupCache friend class MethodLookupCache; + virtual klassOop find_field(Symbol* name, Symbol* signature, fieldDescriptor* fd) const; virtual methodOop uncached_lookup_method(Symbol* name, Symbol* signature) const; public: methodOop lookup_method(Symbol* name, Symbol* signature) const {
--- a/src/share/vm/oops/klassVtable.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/oops/klassVtable.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -209,6 +209,17 @@ // For bytecodes not produced by javac together it is possible that a method does not override // the superclass's method, but might indirectly override a super-super class's vtable entry // If none found, return a null superk, else return the superk of the method this does override +// For public and protected methods: if they override a superclass, they will +// also be overridden themselves appropriately. +// Private methods do not override and are not overridden. +// Package Private methods are trickier: +// e.g. P1.A, pub m +// P2.B extends A, package private m +// P1.C extends B, public m +// P1.C.m needs to override P1.A.m and can not override P2.B.m +// Therefore: all package private methods need their own vtable entries for +// them to be the root of an inheritance overriding decision +// Package private methods may also override other vtable entries instanceKlass* klassVtable::find_transitive_override(instanceKlass* initialsuper, methodHandle target_method, int vtable_index, Handle target_loader, Symbol* target_classname, Thread * THREAD) { instanceKlass* superk = initialsuper; @@ -310,8 +321,12 @@ ((klass->major_version() >= VTABLE_TRANSITIVE_OVERRIDE_VERSION) && ((super_klass = find_transitive_override(super_klass, target_method, i, target_loader, target_classname, THREAD)) != (instanceKlass*)NULL))) { - // overriding, so no new entry - allocate_new = false; + + // Package private methods always need a new entry to root their own + // overriding. They may also override other methods. + if (!target_method()->is_package_private()) { + allocate_new = false; + } if (checkconstraints) { // Override vtable entry if passes loader constraint check @@ -433,6 +448,12 @@ return true; } + // Package private methods always need a new entry to root their own + // overriding. This allows transitive overriding to work. + if (target_method()->is_package_private()) { + return true; + } + // search through the super class hierarchy to see if we need // a new entry ResourceMark rm;
--- a/src/share/vm/opto/graphKit.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/opto/graphKit.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1120,6 +1120,17 @@ } return _gvn.transform( new (C) ConvI2LNode(offset)); } + +Node* GraphKit::ConvI2UL(Node* offset) { + juint offset_con = (juint) find_int_con(offset, Type::OffsetBot); + if (offset_con != (juint) Type::OffsetBot) { + return longcon((julong) offset_con); + } + Node* conv = _gvn.transform( new (C) ConvI2LNode(offset)); + Node* mask = _gvn.transform( ConLNode::make(C, (julong) max_juint) ); + return _gvn.transform( new (C) AndLNode(conv, mask) ); +} + Node* GraphKit::ConvL2I(Node* offset) { // short-circuit a common case jlong offset_con = find_long_con(offset, (jlong)Type::OffsetBot);
--- a/src/share/vm/opto/graphKit.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/opto/graphKit.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -338,6 +338,7 @@ // Convert between int and long, and size_t. // (See macros ConvI2X, etc., in type.hpp for ConvI2X, etc.) Node* ConvI2L(Node* offset); + Node* ConvI2UL(Node* offset); Node* ConvL2I(Node* offset); // Find out the klass of an object. Node* load_object_klass(Node* object);
--- a/src/share/vm/opto/library_call.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/opto/library_call.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -2432,7 +2432,7 @@ case T_ADDRESS: // Cast to an int type. p = _gvn.transform(new (C) CastP2XNode(NULL, p)); - p = ConvX2L(p); + p = ConvX2UL(p); break; default: fatal(err_msg_res("unexpected type %d: %s", type, type2name(type)));
--- a/src/share/vm/opto/reg_split.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/opto/reg_split.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -51,15 +51,6 @@ static const char out_of_nodes[] = "out of nodes during split"; -static bool contains_no_live_range_input(const Node* def) { - for (uint i = 1; i < def->req(); ++i) { - if (def->in(i) != NULL && def->in_RegMask(i).is_NotEmpty()) { - return false; - } - } - return true; -} - //------------------------------get_spillcopy_wide----------------------------- // Get a SpillCopy node with wide-enough masks. Use the 'wide-mask', the // wide ideal-register spill-mask if possible. If the 'wide-mask' does @@ -326,10 +317,13 @@ if( def->req() > 1 ) { for( uint i = 1; i < def->req(); i++ ) { Node *in = def->in(i); - // Check for single-def (LRG cannot redefined) uint lidx = n2lidx(in); - if( lidx >= _maxlrg ) continue; // Value is a recent spill-copy - if (lrgs(lidx).is_singledef()) continue; + // We do not need this for live ranges that are only defined once. + // However, this is not true for spill copies that are added in this + // Split() pass, since they might get coalesced later on in this pass. + if (lidx < _maxlrg && lrgs(lidx).is_singledef()) { + continue; + } Block *b_def = _cfg._bbs[def->_idx]; int idx_def = b_def->find_node(def); @@ -1303,7 +1297,7 @@ Node *def = Reaches[pidx][slidx]; assert( def, "must have reaching def" ); // If input up/down sense and reg-pressure DISagree - if (def->rematerialize() && contains_no_live_range_input(def)) { + if (def->rematerialize()) { // Place the rematerialized node above any MSCs created during // phi node splitting. end_idx points at the insertion point // so look at the node before it.
--- a/src/share/vm/opto/type.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/opto/type.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1348,6 +1348,7 @@ #define ConvL2X(x) (x) #define ConvX2I(x) ConvL2I(x) #define ConvX2L(x) (x) +#define ConvX2UL(x) (x) #else @@ -1392,6 +1393,7 @@ #define ConvL2X(x) ConvL2I(x) #define ConvX2I(x) (x) #define ConvX2L(x) ConvI2L(x) +#define ConvX2UL(x) ConvI2UL(x) #endif
--- a/src/share/vm/prims/jvm.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/prims/jvm.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -746,6 +746,7 @@ return (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); JVM_END +// Not used; JVM_FindClassFromCaller replaces this. JVM_ENTRY(jclass, JVM_FindClassFromClassLoader(JNIEnv* env, const char* name, jboolean init, jobject loader, jboolean throwError)) @@ -772,6 +773,42 @@ return result; JVM_END +// Find a class with this name in this loader, using the caller's protection domain. +JVM_ENTRY(jclass, JVM_FindClassFromCaller(JNIEnv* env, const char* name, + jboolean init, jobject loader, + jclass caller)) + JVMWrapper2("JVM_FindClassFromCaller %s throws ClassNotFoundException", name); + // Java libraries should ensure that name is never null... + if (name == NULL || (int)strlen(name) > Symbol::max_length()) { + // It's impossible to create this class; the name cannot fit + // into the constant pool. + THROW_MSG_0(vmSymbols::java_lang_ClassNotFoundException(), name); + } + + TempNewSymbol h_name = SymbolTable::new_symbol(name, CHECK_NULL); + + oop loader_oop = JNIHandles::resolve(loader); + oop from_class = JNIHandles::resolve(caller); + oop protection_domain = NULL; + // If loader is null, shouldn't call ClassLoader.checkPackageAccess; otherwise get + // NPE. Put it in another way, the bootstrap class loader has all permission and + // thus no checkPackageAccess equivalence in the VM class loader. + // The caller is also passed as NULL by the java code if there is no security + // manager to avoid the performance cost of getting the calling class. + if (from_class != NULL && loader_oop != NULL) { + protection_domain = instanceKlass::cast(java_lang_Class::as_klassOop(from_class))->protection_domain(); + } + + Handle h_loader(THREAD, loader_oop); + Handle h_prot(THREAD, protection_domain); + jclass result = find_class_from_class_loader(env, h_name, init, h_loader, + h_prot, false, THREAD); + + if (TraceClassResolution && result != NULL) { + trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); + } + return result; +JVM_END JVM_ENTRY(jclass, JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, jclass from)) @@ -4098,10 +4135,15 @@ // Shared JNI/JVM entry points ////////////////////////////////////////////////////////////// -jclass find_class_from_class_loader(JNIEnv* env, Symbol* name, jboolean init, Handle loader, Handle protection_domain, jboolean throwError, TRAPS) { +jclass find_class_from_class_loader(JNIEnv* env, Symbol* name, jboolean init, + Handle loader, Handle protection_domain, + jboolean throwError, TRAPS) { // Security Note: // The Java level wrapper will perform the necessary security check allowing - // us to pass the NULL as the initiating class loader. + // us to pass the NULL as the initiating class loader. The VM is responsible for + // the checkPackageAccess relative to the initiating class loader via the + // protection_domain. The protection_domain is passed as NULL by the java code + // if there is no security manager in 3-arg Class.forName(). klassOop klass = SystemDictionary::resolve_or_fail(name, loader, protection_domain, throwError != 0, CHECK_NULL); KlassHandle klass_handle(THREAD, klass);
--- a/src/share/vm/prims/jvm.h Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/prims/jvm.h Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -415,6 +415,19 @@ JVM_FindClassFromBootLoader(JNIEnv *env, const char *name); /* + * Find a class from a given class loader. Throws ClassNotFoundException. + * name: name of class + * init: whether initialization is done + * loader: class loader to look up the class. This may not be the same as the caller's + * class loader. + * caller: initiating class. The initiating class may be null when a security + * manager is not installed. + */ +JNIEXPORT jclass JNICALL +JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init, + jobject loader, jclass caller); + +/* * Find a class from a given class. */ JNIEXPORT jclass JNICALL
--- a/src/share/vm/runtime/arguments.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/runtime/arguments.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -2057,6 +2057,10 @@ PrintNMTStatistics = false; } +#ifdef COMPILER1 + status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset"); +#endif + return status; }
--- a/src/share/vm/runtime/globals.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/runtime/globals.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1094,9 +1094,11 @@ "Prevent spurious or premature wakeups from object.wait " \ "(Solaris only)") \ \ - product(intx, NativeMonitorTimeout, -1, "(Unstable)" ) \ - product(intx, NativeMonitorFlags, 0, "(Unstable)" ) \ - product(intx, NativeMonitorSpinLimit, 20, "(Unstable)" ) \ + experimental(intx, NativeMonitorTimeout, -1, "(Unstable)") \ + \ + experimental(intx, NativeMonitorFlags, 0, "(Unstable)") \ + \ + experimental(intx, NativeMonitorSpinLimit, 20, "(Unstable)") \ \ develop(bool, UsePthreads, false, \ "Use pthread-based instead of libthread-based synchronization " \
--- a/src/share/vm/runtime/os.hpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/runtime/os.hpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -460,9 +460,6 @@ // run cmd in a separate process and return its exit code; or -1 on failures static int fork_and_exec(char *cmd); - // Set file to send error reports. - static void set_error_file(const char *logfile); - // os::exit() is merged with vm_exit() // static void exit(int num);
--- a/src/share/vm/utilities/events.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/utilities/events.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -93,7 +93,7 @@ va_start(ap, format); // Save a copy of begin message and log it. _buffer.printv(format, ap); - Events::log(NULL, _buffer); + Events::log(NULL, "%s", (const char*)_buffer); va_end(ap); } } @@ -102,6 +102,6 @@ if (LogEvents) { // Append " done" to the begin message and log it _buffer.append(" done"); - Events::log(NULL, _buffer); + Events::log(NULL, "%s", (const char*)_buffer); } }
--- a/src/share/vm/utilities/vmError.cpp Mon Feb 24 10:46:40 2014 +0000 +++ b/src/share/vm/utilities/vmError.cpp Wed Jun 18 13:56:36 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -951,7 +951,6 @@ if (fd != -1) { out.print_raw("# An error report file with more information is saved as:\n# "); out.print_raw_cr(buffer); - os::set_error_file(buffer); log.set_fd(fd); } else {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6653795/UnsafeGetAddressTest.java Wed Jun 18 13:56:36 2014 -0700 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 6653795 + * @summary C2 intrinsic for Unsafe.getAddress performs pointer sign extension on 32-bit systems + * @run main UnsafeGetAddressTest + * + */ + +import sun.misc.Unsafe; +import java.lang.reflect.*; + +public class UnsafeGetAddressTest { + private static Unsafe unsafe; + + public static void main(String[] args) throws Exception { + Class c = UnsafeGetAddressTest.class.getClassLoader().loadClass("sun.misc.Unsafe"); + Field f = c.getDeclaredField("theUnsafe"); + f.setAccessible(true); + unsafe = (Unsafe)f.get(c); + + long address = unsafe.allocateMemory(unsafe.addressSize()); + unsafe.putAddress(address, 0x0000000080000000L); + // from sun.misc.Unsafe.getAddress' documentation: + // "If the native pointer is less than 64 bits wide, it is + // extended as an unsigned number to a Java long." + result = unsafe.getAddress(address); + System.out.printf("1: was 0x%x, expected 0x%x\n", result, + 0x0000000080000000L); + for (int i = 0; i < 1000000; i++) { + result = unsafe.getAddress(address); + } + + // The code has got compiled, check the result now + System.out.printf("2: was 0x%x, expected 0x%x\n", result, + 0x0000000080000000L); + if (result != 0x0000000080000000L) { + System.out.println("Test Failed"); + System.exit(97); + } else { + System.out.println("Test Passed"); + } + } + static volatile long result; +} +