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This commit is contained in:
Daniel D. Daugherty 2013-08-09 13:19:00 -07:00
commit 15aa5e3a57
26 changed files with 404 additions and 107 deletions
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21
hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp
View file

@ -1887,6 +1887,27 @@ void TemplateInterpreterGenerator::generate_throw_exception() {
if (ProfileInterpreter) {
__ set_method_data_pointer_for_bcp();
}
#if INCLUDE_JVMTI
if (EnableInvokeDynamic) {
Label L_done;
__ ldub(Address(Lbcp, 0), G1_scratch); // Load current bytecode
__ cmp_and_br_short(G1_scratch, Bytecodes::_invokestatic, Assembler::notEqual, Assembler::pn, L_done);
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call.
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL.
__ call_VM(G1_scratch, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), I0, Lmethod, Lbcp);
__ br_null(G1_scratch, false, Assembler::pn, L_done);
__ delayed()->nop();
__ st_ptr(G1_scratch, Lesp, wordSize);
__ bind(L_done);
}
#endif // INCLUDE_JVMTI
// Resume bytecode interpretation at the current bcp
__ dispatch_next(vtos);
// end of JVMTI PopFrame support

23
hotspot/src/cpu/x86/vm/templateInterpreter_x86_32.cpp
View file

@ -1920,6 +1920,29 @@ void TemplateInterpreterGenerator::generate_throw_exception() {
__ get_thread(thread);
__ movl(Address(thread, JavaThread::popframe_condition_offset()), JavaThread::popframe_inactive);
#if INCLUDE_JVMTI
if (EnableInvokeDynamic) {
Label L_done;
const Register local0 = rdi;
__ cmpb(Address(rsi, 0), Bytecodes::_invokestatic);
__ jcc(Assembler::notEqual, L_done);
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call.
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL.
__ get_method(rdx);
__ movptr(rax, Address(local0, 0));
__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, rsi);
__ testptr(rax, rax);
__ jcc(Assembler::zero, L_done);
__ movptr(Address(rbx, 0), rax);
__ bind(L_done);
}
#endif // INCLUDE_JVMTI
__ dispatch_next(vtos);
// end of PopFrame support

23
hotspot/src/cpu/x86/vm/templateInterpreter_x86_64.cpp
View file

@ -1929,6 +1929,29 @@ void TemplateInterpreterGenerator::generate_throw_exception() {
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()),
JavaThread::popframe_inactive);
#if INCLUDE_JVMTI
if (EnableInvokeDynamic) {
Label L_done;
const Register local0 = r14;
__ cmpb(Address(r13, 0), Bytecodes::_invokestatic);
__ jcc(Assembler::notEqual, L_done);
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call.
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL.
__ get_method(rdx);
__ movptr(rax, Address(local0, 0));
__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, r13);
__ testptr(rax, rax);
__ jcc(Assembler::zero, L_done);
__ movptr(Address(rbx, 0), rax);
__ bind(L_done);
}
#endif // INCLUDE_JVMTI
__ dispatch_next(vtos);
// end of PopFrame support

4
hotspot/src/cpu/zero/vm/entryFrame_zero.hpp
View file

@ -58,8 +58,8 @@ class EntryFrame : public ZeroFrame {
JavaCallWrapper* call_wrapper,
TRAPS);
public:
JavaCallWrapper *call_wrapper() const {
return (JavaCallWrapper *) value_of_word(call_wrapper_off);
JavaCallWrapper **call_wrapper() const {
return (JavaCallWrapper **) addr_of_word(call_wrapper_off);
}
public:

2
hotspot/src/cpu/zero/vm/frame_zero.inline.hpp
View file

@ -141,7 +141,7 @@ inline intptr_t* frame::id() const {
return fp();
}
inline JavaCallWrapper* frame::entry_frame_call_wrapper() const {
inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const {
return zero_entryframe()->call_wrapper();
}

22
hotspot/src/cpu/zero/vm/stubGenerator_zero.cpp
View file

@ -176,6 +176,19 @@ class StubGenerator: public StubCodeGenerator {
StubRoutines::_oop_arraycopy;
}
static int SafeFetch32(int *adr, int errValue) {
int value = errValue;
value = *adr;
return value;
}
static intptr_t SafeFetchN(intptr_t *adr, intptr_t errValue) {
intptr_t value = errValue;
value = *adr;
return value;
}
void generate_initial() {
// Generates all stubs and initializes the entry points
@ -225,6 +238,15 @@ class StubGenerator: public StubCodeGenerator {
// arraycopy stubs used by compilers
generate_arraycopy_stubs();
// Safefetch stubs.
StubRoutines::_safefetch32_entry = CAST_FROM_FN_PTR(address, StubGenerator::SafeFetch32);
StubRoutines::_safefetch32_fault_pc = NULL;
StubRoutines::_safefetch32_continuation_pc = NULL;
StubRoutines::_safefetchN_entry = CAST_FROM_FN_PTR(address, StubGenerator::SafeFetchN);
StubRoutines::_safefetchN_fault_pc = NULL;
StubRoutines::_safefetchN_continuation_pc = NULL;
}
public:

4
hotspot/src/os/bsd/vm/attachListener_bsd.cpp
View file

@ -445,14 +445,14 @@ AttachOperation* AttachListener::dequeue() {
void AttachListener::vm_start() {
char fn[UNIX_PATH_MAX];
struct stat64 st;
struct stat st;
int ret;
int n = snprintf(fn, UNIX_PATH_MAX, "%s/.java_pid%d",
os::get_temp_directory(), os::current_process_id());
assert(n < (int)UNIX_PATH_MAX, "java_pid file name buffer overflow");
RESTARTABLE(::stat64(fn, &st), ret);
RESTARTABLE(::stat(fn, &st), ret);
if (ret == 0) {
ret = ::unlink(fn);
if (ret == -1) {

10
hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp
View file

@ -410,16 +410,6 @@ extern "C" {
int SpinPause() {
}
int SafeFetch32(int *adr, int errValue) {
int value = errValue;
value = *adr;
return value;
}
intptr_t SafeFetchN(intptr_t *adr, intptr_t errValue) {
intptr_t value = errValue;
value = *adr;
return value;
}
void _Copy_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) {
if (from > to) {

105
hotspot/src/share/tools/ProjectCreator/BuildConfig.java
View file

@ -142,6 +142,69 @@ class BuildConfig {
return rv;
}
// Returns true if the specified path refers to a relative alternate
// source file. RelativeAltSrcInclude is usually "src\closed".
public static boolean matchesRelativeAltSrcInclude(String path) {
String relativeAltSrcInclude =
getFieldString(null, "RelativeAltSrcInclude");
Vector<String> v = getFieldVector(null, "AltRelativeInclude");
for (String pathPart : v) {
if (path.contains(relativeAltSrcInclude + Util.sep + pathPart)) {
return true;
}
}
return false;
}
// Returns the relative alternate source file for the specified path.
// Null is returned if the specified path does not have a matching
// alternate source file.
public static String getMatchingRelativeAltSrcFile(String path) {
Vector<String> v = getFieldVector(null, "RelativeAltSrcFileList");
if (v == null) {
return null;
}
for (String pathPart : v) {
if (path.endsWith(pathPart)) {
String relativeAltSrcInclude =
getFieldString(null, "RelativeAltSrcInclude");
return relativeAltSrcInclude + Util.sep + pathPart;
}
}
return null;
}
// Returns true if the specified path has a matching alternate
// source file.
public static boolean matchesRelativeAltSrcFile(String path) {
return getMatchingRelativeAltSrcFile(path) != null;
}
// Track the specified alternate source file. The source file is
// tracked without the leading .*<sep><RelativeAltSrcFileList><sep>
// part to make matching regular source files easier.
public static void trackRelativeAltSrcFile(String path) {
String pattern = getFieldString(null, "RelativeAltSrcInclude") +
Util.sep;
int altSrcInd = path.indexOf(pattern);
if (altSrcInd == -1) {
// not an AltSrc path
return;
}
altSrcInd += pattern.length();
if (altSrcInd >= path.length()) {
// not a valid AltSrc path
return;
}
String altSrcFile = path.substring(altSrcInd);
Vector v = getFieldVector(null, "RelativeAltSrcFileList");
if (v == null || !v.contains(altSrcFile)) {
addFieldVector(null, "RelativeAltSrcFileList", altSrcFile);
}
}
void addTo(Hashtable ht, String key, String value) {
ht.put(expandFormat(key), expandFormat(value));
}
@ -272,8 +335,19 @@ class BuildConfig {
private Vector getSourceIncludes() {
Vector<String> rv = new Vector<String>();
Vector<String> ri = new Vector<String>();
String sourceBase = getFieldString(null, "SourceBase");
// add relative alternate source include values:
String relativeAltSrcInclude =
getFieldString(null, "RelativeAltSrcInclude");
Vector<String> asri = new Vector<String>();
collectRelevantVectors(asri, "AltRelativeInclude");
for (String f : asri) {
rv.add(sourceBase + Util.sep + relativeAltSrcInclude +
Util.sep + f);
}
Vector<String> ri = new Vector<String>();
collectRelevantVectors(ri, "RelativeInclude");
for (String f : ri) {
rv.add(sourceBase + Util.sep + f);
@ -541,35 +615,6 @@ class TieredProductConfig extends ProductConfig {
}
}
class CoreDebugConfig extends GenericDebugNonKernelConfig {
String getOptFlag() {
return getCI().getNoOptFlag();
}
CoreDebugConfig() {
initNames("core", "debug", "jvm.dll");
init(getIncludes(), getDefines());
}
}
class CoreFastDebugConfig extends GenericDebugNonKernelConfig {
String getOptFlag() {
return getCI().getOptFlag();
}
CoreFastDebugConfig() {
initNames("core", "fastdebug", "jvm.dll");
init(getIncludes(), getDefines());
}
}
class CoreProductConfig extends ProductConfig {
CoreProductConfig() {
initNames("core", "product", "jvm.dll");
init(getIncludes(), getDefines());
}
}
abstract class CompilerInterface {
abstract Vector getBaseCompilerFlags(Vector defines, Vector includes, String outDir);

58
hotspot/src/share/tools/ProjectCreator/FileTreeCreatorVC10.java
View file

@ -1,3 +1,27 @@
/*
* Copyright (c) 2012, 2013, 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.
*
*/
import static java.nio.file.FileVisitResult.CONTINUE;
import java.io.IOException;
@ -21,6 +45,8 @@ public class FileTreeCreatorVC10 extends FileTreeCreator {
boolean usePch = false;
boolean disablePch = false;
boolean useIgnore = false;
boolean isAltSrc = false; // only needed as a debugging crumb
boolean isReplacedByAltSrc = false;
String fileName = file.getFileName().toString();
// TODO hideFile
@ -30,6 +56,26 @@ public class FileTreeCreatorVC10 extends FileTreeCreator {
usePch = true;
}
String fileLoc = vcProjLocation.relativize(file).toString();
// isAltSrc and isReplacedByAltSrc applies to all configs for a file
if (BuildConfig.matchesRelativeAltSrcInclude(
file.toAbsolutePath().toString())) {
// current file is an alternate source file so track it
isAltSrc = true;
BuildConfig.trackRelativeAltSrcFile(
file.toAbsolutePath().toString());
} else if (BuildConfig.matchesRelativeAltSrcFile(
file.toAbsolutePath().toString())) {
// current file is a regular file that matches an alternate
// source file so yack about replacing the regular file
isReplacedByAltSrc = true;
System.out.println("INFO: alternate source file '" +
BuildConfig.getMatchingRelativeAltSrcFile(
file.toAbsolutePath().toString()) +
"' replaces '" + fileLoc + "'");
}
for (BuildConfig cfg : allConfigs) {
if (cfg.lookupHashFieldInContext("IgnoreFile", fileName) != null) {
useIgnore = true;
@ -58,9 +104,8 @@ public class FileTreeCreatorVC10 extends FileTreeCreator {
}
String tagName = wg.getFileTagFromSuffix(fileName);
String fileLoc = vcProjLocation.relativize(file).toString();
if (!useIgnore && !disablePch && !usePch) {
if (!useIgnore && !disablePch && !usePch && !isReplacedByAltSrc) {
wg.tag(tagName, new String[] { "Include", fileLoc});
} else {
wg.startTag(
@ -78,6 +123,11 @@ public class FileTreeCreatorVC10 extends FileTreeCreator {
if (disablePch) {
wg.tag("PrecompiledHeader", "Condition", "'$(Configuration)|$(Platform)'=='" + cfg.get("Name") + "'");
}
if (isReplacedByAltSrc) {
wg.tagData("ExcludedFromBuild", "true", "Condition",
"'$(Configuration)|$(Platform)'=='" +
cfg.get("Name") + "'");
}
}
wg.endTag();
}
@ -137,6 +187,4 @@ public class FileTreeCreatorVC10 extends FileTreeCreator {
public void writeFileTree() throws IOException {
Files.walkFileTree(this.startDir, this);
}
}
}

7
hotspot/src/share/tools/ProjectCreator/ProjectCreator.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2013, 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
@ -39,10 +39,15 @@ public class ProjectCreator {
+ "jvm.dll; no trailing slash>");
System.err.println(" If any of the above are specified, "
+ "they must all be.");
System.err.println(" Note: if '-altRelativeInclude' option below is "
+ "used, then the '-relativeAltSrcInclude' option must be used "
+ "to specify the alternate source dir, e.g., 'src\\closed'");
System.err.println(" Additional, optional arguments, which can be "
+ "specified multiple times:");
System.err.println(" -absoluteInclude <string containing absolute "
+ "path to include directory>");
System.err.println(" -altRelativeInclude <string containing "
+ "alternate include directory relative to -envVar>");
System.err.println(" -relativeInclude <string containing include "
+ "directory relative to -envVar>");
System.err.println(" -define <preprocessor flag to be #defined "

25
hotspot/src/share/tools/ProjectCreator/WinGammaPlatform.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2013, 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
@ -140,10 +140,17 @@ public abstract class WinGammaPlatform {
"already exist>");
System.err.println(" If any of the above are specified, "+
"they must all be.");
System.err.println(" Note: if '-altRelativeInclude' option below " +
"is used, then the '-relativeAltSrcInclude' " +
"option must be used to specify the alternate " +
"source dir, e.g., 'src\\closed'");
System.err.println(" Additional, optional arguments, which can be " +
"specified multiple times:");
System.err.println(" -absoluteInclude <string containing absolute " +
"path to include directory>");
System.err.println(" -altRelativeInclude <string containing " +
"alternate include directory relative to " +
"-sourceBase>");
System.err.println(" -relativeInclude <string containing include " +
"directory relative to -sourceBase>");
System.err.println(" -define <preprocessor flag to be #defined " +
@ -343,6 +350,12 @@ public abstract class WinGammaPlatform {
HsArgHandler.VECTOR
),
new HsArgRule("-altRelativeInclude",
"AltRelativeInclude",
null,
HsArgHandler.VECTOR
),
new HsArgRule("-relativeInclude",
"RelativeInclude",
null,
@ -355,6 +368,12 @@ public abstract class WinGammaPlatform {
HsArgHandler.VECTOR
),
new HsArgRule("-relativeAltSrcInclude",
"RelativeAltSrcInclude",
null,
HsArgHandler.STRING
),
new HsArgRule("-relativeSrcInclude",
"RelativeSrcInclude",
null,
@ -560,10 +579,6 @@ public abstract class WinGammaPlatform {
allConfigs.add(new TieredFastDebugConfig());
allConfigs.add(new TieredProductConfig());
allConfigs.add(new CoreDebugConfig());
allConfigs.add(new CoreFastDebugConfig());
allConfigs.add(new CoreProductConfig());
return allConfigs;
}

28
hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC10.java
View file

@ -1,3 +1,27 @@
/*
* Copyright (c) 2011, 2013, 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.
*
*/
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
@ -24,7 +48,7 @@ public class WinGammaPlatformVC10 extends WinGammaPlatformVC7 {
public void writeProjectFile(String projectFileName, String projectName,
Vector<BuildConfig> allConfigs) throws IOException {
System.out.println();
System.out.print(" Writing .vcxproj file: " + projectFileName);
System.out.println(" Writing .vcxproj file: " + projectFileName);
String projDir = Util.normalize(new File(projectFileName).getParent());
@ -114,7 +138,7 @@ public class WinGammaPlatformVC10 extends WinGammaPlatformVC7 {
endTag();
printWriter.close();
System.out.println(" Done.");
System.out.println(" Done writing .vcxproj file.");
writeFilterFile(projectFileName, projectName, allConfigs, projDir);
writeUserFile(projectFileName, allConfigs);

21
hotspot/src/share/vm/classfile/javaClasses.cpp
View file

@ -2557,6 +2557,26 @@ void java_lang_ref_SoftReference::set_clock(jlong value) {
*offset = value;
}
// Support for java_lang_invoke_DirectMethodHandle
int java_lang_invoke_DirectMethodHandle::_member_offset;
oop java_lang_invoke_DirectMethodHandle::member(oop dmh) {
oop member_name = NULL;
bool is_dmh = dmh->is_oop() && java_lang_invoke_DirectMethodHandle::is_instance(dmh);
assert(is_dmh, "a DirectMethodHandle oop is expected");
if (is_dmh) {
member_name = dmh->obj_field(member_offset_in_bytes());
}
return member_name;
}
void java_lang_invoke_DirectMethodHandle::compute_offsets() {
Klass* klass_oop = SystemDictionary::DirectMethodHandle_klass();
if (klass_oop != NULL && EnableInvokeDynamic) {
compute_offset(_member_offset, klass_oop, vmSymbols::member_name(), vmSymbols::java_lang_invoke_MemberName_signature());
}
}
// Support for java_lang_invoke_MethodHandle
@ -3205,6 +3225,7 @@ void JavaClasses::compute_offsets() {
java_lang_ThreadGroup::compute_offsets();
if (EnableInvokeDynamic) {
java_lang_invoke_MethodHandle::compute_offsets();
java_lang_invoke_DirectMethodHandle::compute_offsets();
java_lang_invoke_MemberName::compute_offsets();
java_lang_invoke_LambdaForm::compute_offsets();
java_lang_invoke_MethodType::compute_offsets();

26
hotspot/src/share/vm/classfile/javaClasses.hpp
View file

@ -976,6 +976,32 @@ class java_lang_invoke_MethodHandle: AllStatic {
static int form_offset_in_bytes() { return _form_offset; }
};
// Interface to java.lang.invoke.DirectMethodHandle objects
class java_lang_invoke_DirectMethodHandle: AllStatic {
friend class JavaClasses;
private:
static int _member_offset; // the MemberName of this DMH
static void compute_offsets();
public:
// Accessors
static oop member(oop mh);
// Testers
static bool is_subclass(Klass* klass) {
return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_klass());
}
static bool is_instance(oop obj) {
return obj != NULL && is_subclass(obj->klass());
}
// Accessors for code generation:
static int member_offset_in_bytes() { return _member_offset; }
};
// Interface to java.lang.invoke.LambdaForm objects
// (These are a private interface for managing adapter code generation.)

1
hotspot/src/share/vm/classfile/systemDictionary.hpp
View file

@ -151,6 +151,7 @@ class SymbolPropertyTable;
do_klass(reflect_CallerSensitive_klass, sun_reflect_CallerSensitive, Opt ) \
\
/* support for dynamic typing; it's OK if these are NULL in earlier JDKs */ \
do_klass(DirectMethodHandle_klass, java_lang_invoke_DirectMethodHandle, Opt ) \
do_klass(MethodHandle_klass, java_lang_invoke_MethodHandle, Pre_JSR292 ) \
do_klass(MemberName_klass, java_lang_invoke_MemberName, Pre_JSR292 ) \
do_klass(MethodHandleNatives_klass, java_lang_invoke_MethodHandleNatives, Pre_JSR292 ) \

2
hotspot/src/share/vm/classfile/vmSymbols.hpp
View file

@ -255,6 +255,7 @@
/* Support for JSR 292 & invokedynamic (JDK 1.7 and above) */ \
template(java_lang_invoke_CallSite, "java/lang/invoke/CallSite") \
template(java_lang_invoke_ConstantCallSite, "java/lang/invoke/ConstantCallSite") \
template(java_lang_invoke_DirectMethodHandle, "java/lang/invoke/DirectMethodHandle") \
template(java_lang_invoke_MutableCallSite, "java/lang/invoke/MutableCallSite") \
template(java_lang_invoke_VolatileCallSite, "java/lang/invoke/VolatileCallSite") \
template(java_lang_invoke_MethodHandle, "java/lang/invoke/MethodHandle") \
@ -352,6 +353,7 @@
template(thread_id_name, "tid") \
template(newInstance0_name, "newInstance0") \
template(limit_name, "limit") \
template(member_name, "member") \
template(forName_name, "forName") \
template(forName0_name, "forName0") \
template(isJavaIdentifierStart_name, "isJavaIdentifierStart") \

23
hotspot/src/share/vm/interpreter/interpreterRuntime.cpp
View file

@ -1209,3 +1209,26 @@ IRT_LEAF(void, InterpreterRuntime::popframe_move_outgoing_args(JavaThread* threa
size_of_arguments * Interpreter::stackElementSize);
IRT_END
#endif
#if INCLUDE_JVMTI
// This is a support of the JVMTI PopFrame interface.
// Make sure it is an invokestatic of a polymorphic intrinsic that has a member_name argument
// and return it as a vm_result so that it can be reloaded in the list of invokestatic parameters.
// The dmh argument is a reference to a DirectMethoHandle that has a member name field.
IRT_ENTRY(void, InterpreterRuntime::member_name_arg_or_null(JavaThread* thread, address dmh,
Method* method, address bcp))
Bytecodes::Code code = Bytecodes::code_at(method, bcp);
if (code != Bytecodes::_invokestatic) {
return;
}
ConstantPool* cpool = method->constants();
int cp_index = Bytes::get_native_u2(bcp + 1) + ConstantPool::CPCACHE_INDEX_TAG;
Symbol* cname = cpool->klass_name_at(cpool->klass_ref_index_at(cp_index));
Symbol* mname = cpool->name_ref_at(cp_index);
if (MethodHandles::has_member_arg(cname, mname)) {
oop member_name = java_lang_invoke_DirectMethodHandle::member((oop)dmh);
thread->set_vm_result(member_name);
}
IRT_END
#endif // INCLUDE_JVMTI

3
hotspot/src/share/vm/interpreter/interpreterRuntime.hpp
View file

@ -95,6 +95,9 @@ class InterpreterRuntime: AllStatic {
static void create_exception(JavaThread* thread, char* name, char* message);
static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
#if INCLUDE_JVMTI
static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp);
#endif
static void throw_pending_exception(JavaThread* thread);
// Statics & fields