--- a/hotspot/agent/src/os/linux/LinuxDebuggerLocal.c Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/agent/src/os/linux/LinuxDebuggerLocal.c Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
@@ -25,6 +25,13 @@
#include <jni.h>
#include "libproc.h"
+#include <elf.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <limits.h>
+
#if defined(x86_64) && !defined(amd64)
#define amd64 1
#endif
@@ -154,6 +161,39 @@
}
}
+
+/*
+ * Verify that a named ELF binary file (core or executable) has the same
+ * bitness as ourselves.
+ * Throw an exception if there is a mismatch or other problem.
+ *
+ * If we proceed using a mismatched debugger/debuggee, the best to hope
+ * for is a missing symbol, the worst is a crash searching for debug symbols.
+ */
+void verifyBitness(JNIEnv *env, const char *binaryName) {
+ int fd = open(binaryName, O_RDONLY);
+ if (fd < 0) {
+ THROW_NEW_DEBUGGER_EXCEPTION("cannot open binary file");
+ }
+ unsigned char elf_ident[EI_NIDENT];
+ int i = read(fd, &elf_ident, sizeof(elf_ident));
+ close(fd);
+
+ if (i < 0) {
+ THROW_NEW_DEBUGGER_EXCEPTION("cannot read binary file");
+ }
+#ifndef _LP64
+ if (elf_ident[EI_CLASS] == ELFCLASS64) {
+ THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 64 bit, use 64-bit java for debugger");
+ }
+#else
+ if (elf_ident[EI_CLASS] != ELFCLASS64) {
+ THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 32 bit, use 32 bit java for debugger");
+ }
+#endif
+}
+
+
/*
* Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal
* Method: attach0
@@ -162,6 +202,12 @@
JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__I
(JNIEnv *env, jobject this_obj, jint jpid) {
+ // For bitness checking, locate binary at /proc/jpid/exe
+ char buf[PATH_MAX];
+ snprintf((char *) &buf, PATH_MAX, "/proc/%d/exe", jpid);
+ verifyBitness(env, (char *) &buf);
+ CHECK_EXCEPTION;
+
struct ps_prochandle* ph;
if ( (ph = Pgrab(jpid)) == NULL) {
THROW_NEW_DEBUGGER_EXCEPTION("Can't attach to the process");
@@ -187,6 +233,9 @@
coreName_cstr = (*env)->GetStringUTFChars(env, coreName, &isCopy);
CHECK_EXCEPTION;
+ verifyBitness(env, execName_cstr);
+ CHECK_EXCEPTION;
+
if ( (ph = Pgrab_core(execName_cstr, coreName_cstr)) == NULL) {
(*env)->ReleaseStringUTFChars(env, execName, execName_cstr);
(*env)->ReleaseStringUTFChars(env, coreName, coreName_cstr);
--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64CFrame.java Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64CFrame.java Fri Mar 01 15:59:10 2013 -0800
@@ -60,8 +60,13 @@
return null;
}
+ // Check alignment of rbp
+ if ( dbg.getAddressValue(rbp) % ADDRESS_SIZE != 0) {
+ return null;
+ }
+
Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE);
- if (nextRBP == null) {
+ if (nextRBP == null || nextRBP.lessThanOrEqual(rbp)) {
return null;
}
Address nextPC = rbp.getAddressAt( 1 * ADDRESS_SIZE);
--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/x86/LinuxX86CFrame.java Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/x86/LinuxX86CFrame.java Fri Mar 01 15:59:10 2013 -0800
@@ -61,8 +61,13 @@
return null;
}
+ // Check alignment of ebp
+ if ( dbg.getAddressValue(ebp) % ADDRESS_SIZE != 0) {
+ return null;
+ }
+
Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
- if (nextEBP == null) {
+ if (nextEBP == null || nextEBP.lessThanOrEqual(ebp)) {
return null;
}
Address nextPC = ebp.getAddressAt( 1 * ADDRESS_SIZE);
--- a/hotspot/src/os/bsd/vm/os_bsd.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/bsd/vm/os_bsd.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -2695,7 +2695,7 @@
assert(thread->is_VM_thread(), "Must be VMThread");
// read current suspend action
int action = osthread->sr.suspend_action();
- if (action == SR_SUSPEND) {
+ if (action == os::Bsd::SuspendResume::SR_SUSPEND) {
suspend_save_context(osthread, siginfo, context);
// Notify the suspend action is about to be completed. do_suspend()
@@ -2717,12 +2717,12 @@
do {
sigsuspend(&suspend_set);
// ignore all returns until we get a resume signal
- } while (osthread->sr.suspend_action() != SR_CONTINUE);
+ } while (osthread->sr.suspend_action() != os::Bsd::SuspendResume::SR_CONTINUE);
resume_clear_context(osthread);
} else {
- assert(action == SR_CONTINUE, "unexpected sr action");
+ assert(action == os::Bsd::SuspendResume::SR_CONTINUE, "unexpected sr action");
// nothing special to do - just leave the handler
}
@@ -2776,7 +2776,7 @@
// but this seems the normal response to library errors
static bool do_suspend(OSThread* osthread) {
// mark as suspended and send signal
- osthread->sr.set_suspend_action(SR_SUSPEND);
+ osthread->sr.set_suspend_action(os::Bsd::SuspendResume::SR_SUSPEND);
int status = pthread_kill(osthread->pthread_id(), SR_signum);
assert_status(status == 0, status, "pthread_kill");
@@ -2785,18 +2785,18 @@
for (int i = 0; !osthread->sr.is_suspended(); i++) {
os::yield_all(i);
}
- osthread->sr.set_suspend_action(SR_NONE);
+ osthread->sr.set_suspend_action(os::Bsd::SuspendResume::SR_NONE);
return true;
}
else {
- osthread->sr.set_suspend_action(SR_NONE);
+ osthread->sr.set_suspend_action(os::Bsd::SuspendResume::SR_NONE);
return false;
}
}
static void do_resume(OSThread* osthread) {
assert(osthread->sr.is_suspended(), "thread should be suspended");
- osthread->sr.set_suspend_action(SR_CONTINUE);
+ osthread->sr.set_suspend_action(os::Bsd::SuspendResume::SR_CONTINUE);
int status = pthread_kill(osthread->pthread_id(), SR_signum);
assert_status(status == 0, status, "pthread_kill");
@@ -2806,7 +2806,7 @@
os::yield_all(i);
}
}
- osthread->sr.set_suspend_action(SR_NONE);
+ osthread->sr.set_suspend_action(os::Bsd::SuspendResume::SR_NONE);
}
////////////////////////////////////////////////////////////////////////////////
--- a/hotspot/src/os/bsd/vm/os_bsd.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/bsd/vm/os_bsd.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -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
@@ -151,36 +151,25 @@
// for BsdThreads are no longer needed.
class SuspendResume {
private:
- volatile int _suspend_action;
+ volatile int _suspend_action;
+ volatile jint _state;
+ public:
// values for suspend_action:
- #define SR_NONE (0x00)
- #define SR_SUSPEND (0x01) // suspend request
- #define SR_CONTINUE (0x02) // resume request
+ enum {
+ SR_NONE = 0x00,
+ SR_SUSPEND = 0x01, // suspend request
+ SR_CONTINUE = 0x02, // resume request
+ SR_SUSPENDED = 0x20 // values for _state: + SR_NONE
+ };
- volatile jint _state;
- // values for _state: + SR_NONE
- #define SR_SUSPENDED (0x20)
- public:
SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; }
int suspend_action() const { return _suspend_action; }
void set_suspend_action(int x) { _suspend_action = x; }
// atomic updates for _state
- void set_suspended() {
- jint temp, temp2;
- do {
- temp = _state;
- temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp);
- } while (temp2 != temp);
- }
- void clear_suspended() {
- jint temp, temp2;
- do {
- temp = _state;
- temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp);
- } while (temp2 != temp);
- }
+ inline void set_suspended();
+ inline void clear_suspended();
bool is_suspended() { return _state & SR_SUSPENDED; }
#undef SR_SUSPENDED
--- a/hotspot/src/os/bsd/vm/os_bsd.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/bsd/vm/os_bsd.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -25,7 +25,6 @@
#ifndef OS_BSD_VM_OS_BSD_INLINE_HPP
#define OS_BSD_VM_OS_BSD_INLINE_HPP
-#include "runtime/atomic.hpp"
#include "runtime/atomic.inline.hpp"
#include "runtime/os.hpp"
@@ -286,4 +285,21 @@
const char* optval, socklen_t optlen) {
return ::setsockopt(fd, level, optname, optval, optlen);
}
+
+inline void os::Bsd::SuspendResume::set_suspended() {
+ jint temp, temp2;
+ do {
+ temp = _state;
+ temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp);
+ } while (temp2 != temp);
+}
+
+inline void os::Bsd::SuspendResume::clear_suspended() {
+ jint temp, temp2;
+ do {
+ temp = _state;
+ temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp);
+ } while (temp2 != temp);
+}
+
#endif // OS_BSD_VM_OS_BSD_INLINE_HPP
--- a/hotspot/src/os/linux/vm/os_linux.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/linux/vm/os_linux.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -3461,7 +3461,7 @@
assert(thread->is_VM_thread(), "Must be VMThread");
// read current suspend action
int action = osthread->sr.suspend_action();
- if (action == SR_SUSPEND) {
+ if (action == os::Linux::SuspendResume::SR_SUSPEND) {
suspend_save_context(osthread, siginfo, context);
// Notify the suspend action is about to be completed. do_suspend()
@@ -3483,12 +3483,12 @@
do {
sigsuspend(&suspend_set);
// ignore all returns until we get a resume signal
- } while (osthread->sr.suspend_action() != SR_CONTINUE);
+ } while (osthread->sr.suspend_action() != os::Linux::SuspendResume::SR_CONTINUE);
resume_clear_context(osthread);
} else {
- assert(action == SR_CONTINUE, "unexpected sr action");
+ assert(action == os::Linux::SuspendResume::SR_CONTINUE, "unexpected sr action");
// nothing special to do - just leave the handler
}
@@ -3542,7 +3542,7 @@
// but this seems the normal response to library errors
static bool do_suspend(OSThread* osthread) {
// mark as suspended and send signal
- osthread->sr.set_suspend_action(SR_SUSPEND);
+ osthread->sr.set_suspend_action(os::Linux::SuspendResume::SR_SUSPEND);
int status = pthread_kill(osthread->pthread_id(), SR_signum);
assert_status(status == 0, status, "pthread_kill");
@@ -3551,18 +3551,18 @@
for (int i = 0; !osthread->sr.is_suspended(); i++) {
os::yield_all(i);
}
- osthread->sr.set_suspend_action(SR_NONE);
+ osthread->sr.set_suspend_action(os::Linux::SuspendResume::SR_NONE);
return true;
}
else {
- osthread->sr.set_suspend_action(SR_NONE);
+ osthread->sr.set_suspend_action(os::Linux::SuspendResume::SR_NONE);
return false;
}
}
static void do_resume(OSThread* osthread) {
assert(osthread->sr.is_suspended(), "thread should be suspended");
- osthread->sr.set_suspend_action(SR_CONTINUE);
+ osthread->sr.set_suspend_action(os::Linux::SuspendResume::SR_CONTINUE);
int status = pthread_kill(osthread->pthread_id(), SR_signum);
assert_status(status == 0, status, "pthread_kill");
@@ -3572,7 +3572,7 @@
os::yield_all(i);
}
}
- osthread->sr.set_suspend_action(SR_NONE);
+ osthread->sr.set_suspend_action(os::Linux::SuspendResume::SR_NONE);
}
////////////////////////////////////////////////////////////////////////////////
--- a/hotspot/src/os/linux/vm/os_linux.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/linux/vm/os_linux.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -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
@@ -209,39 +209,27 @@
// for LinuxThreads are no longer needed.
class SuspendResume {
private:
- volatile int _suspend_action;
+ volatile int _suspend_action;
+ volatile jint _state;
+ public:
// values for suspend_action:
- #define SR_NONE (0x00)
- #define SR_SUSPEND (0x01) // suspend request
- #define SR_CONTINUE (0x02) // resume request
+ enum {
+ SR_NONE = 0x00,
+ SR_SUSPEND = 0x01, // suspend request
+ SR_CONTINUE = 0x02, // resume request
+ SR_SUSPENDED = 0x20 // values for _state: + SR_NONE
+ };
- volatile jint _state;
- // values for _state: + SR_NONE
- #define SR_SUSPENDED (0x20)
- public:
SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; }
int suspend_action() const { return _suspend_action; }
void set_suspend_action(int x) { _suspend_action = x; }
// atomic updates for _state
- void set_suspended() {
- jint temp, temp2;
- do {
- temp = _state;
- temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp);
- } while (temp2 != temp);
- }
- void clear_suspended() {
- jint temp, temp2;
- do {
- temp = _state;
- temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp);
- } while (temp2 != temp);
- }
+ inline void set_suspended();
+ inline void clear_suspended();
bool is_suspended() { return _state & SR_SUSPENDED; }
- #undef SR_SUSPENDED
};
private:
--- a/hotspot/src/os/linux/vm/os_linux.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/linux/vm/os_linux.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -25,7 +25,6 @@
#ifndef OS_LINUX_VM_OS_LINUX_INLINE_HPP
#define OS_LINUX_VM_OS_LINUX_INLINE_HPP
-#include "runtime/atomic.hpp"
#include "runtime/atomic.inline.hpp"
#include "runtime/os.hpp"
@@ -288,4 +287,21 @@
const char* optval, socklen_t optlen) {
return ::setsockopt(fd, level, optname, optval, optlen);
}
+
+inline void os::Linux::SuspendResume::set_suspended() {
+ jint temp, temp2;
+ do {
+ temp = _state;
+ temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp);
+ } while (temp2 != temp);
+}
+
+inline void os::Linux::SuspendResume::clear_suspended() {
+ jint temp, temp2;
+ do {
+ temp = _state;
+ temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp);
+ } while (temp2 != temp);
+}
+
#endif // OS_LINUX_VM_OS_LINUX_INLINE_HPP
--- a/hotspot/src/os/solaris/vm/os_solaris.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/solaris/vm/os_solaris.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -25,7 +25,6 @@
#ifndef OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP
#define OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP
-#include "runtime/atomic.hpp"
#include "runtime/atomic.inline.hpp"
#include "runtime/os.hpp"
--- a/hotspot/src/os/windows/vm/decoder_windows.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/windows/vm/decoder_windows.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -24,6 +24,7 @@
#include "precompiled.hpp"
#include "prims/jvm.h"
+#include "runtime/arguments.hpp"
#include "decoder_windows.hpp"
WindowsDecoder::WindowsDecoder() {
--- a/hotspot/src/os/windows/vm/os_windows.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os/windows/vm/os_windows.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -25,7 +25,6 @@
#ifndef OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
#define OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
-#include "runtime/atomic.hpp"
#include "runtime/atomic.inline.hpp"
#include "runtime/os.hpp"
--- a/hotspot/src/os_cpu/bsd_x86/vm/atomic_bsd_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/bsd_x86/vm/atomic_bsd_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2011, 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
@@ -25,7 +25,6 @@
#ifndef OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_INLINE_HPP
#define OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_INLINE_HPP
-#include "orderAccess_bsd_x86.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
--- a/hotspot/src/os_cpu/bsd_x86/vm/orderAccess_bsd_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/bsd_x86/vm/orderAccess_bsd_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -25,8 +25,9 @@
#ifndef OS_CPU_BSD_X86_VM_ORDERACCESS_BSD_X86_INLINE_HPP
#define OS_CPU_BSD_X86_VM_ORDERACCESS_BSD_X86_INLINE_HPP
-#include "runtime/atomic.hpp"
+#include "runtime/atomic.inline.hpp"
#include "runtime/orderAccess.hpp"
+#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
// Implementation of class OrderAccess.
--- a/hotspot/src/os_cpu/bsd_zero/vm/atomic_bsd_zero.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/bsd_zero/vm/atomic_bsd_zero.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright 2007, 2008, 2011 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@@ -26,7 +26,6 @@
#ifndef OS_CPU_BSD_ZERO_VM_ATOMIC_BSD_ZERO_INLINE_HPP
#define OS_CPU_BSD_ZERO_VM_ATOMIC_BSD_ZERO_INLINE_HPP
-#include "orderAccess_bsd_zero.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_zero.hpp"
--- a/hotspot/src/os_cpu/linux_sparc/vm/atomic_linux_sparc.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/linux_sparc/vm/atomic_linux_sparc.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2011, 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
@@ -25,7 +25,6 @@
#ifndef OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
#define OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
-#include "orderAccess_linux_sparc.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_sparc.hpp"
--- a/hotspot/src/os_cpu/linux_x86/vm/atomic_linux_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/linux_x86/vm/atomic_linux_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2011, 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
@@ -25,7 +25,6 @@
#ifndef OS_CPU_LINUX_X86_VM_ATOMIC_LINUX_X86_INLINE_HPP
#define OS_CPU_LINUX_X86_VM_ATOMIC_LINUX_X86_INLINE_HPP
-#include "orderAccess_linux_x86.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
--- a/hotspot/src/os_cpu/linux_x86/vm/orderAccess_linux_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/linux_x86/vm/orderAccess_linux_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -25,8 +25,9 @@
#ifndef OS_CPU_LINUX_X86_VM_ORDERACCESS_LINUX_X86_INLINE_HPP
#define OS_CPU_LINUX_X86_VM_ORDERACCESS_LINUX_X86_INLINE_HPP
-#include "runtime/atomic.hpp"
+#include "runtime/atomic.inline.hpp"
#include "runtime/orderAccess.hpp"
+#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
// Implementation of class OrderAccess.
--- a/hotspot/src/os_cpu/linux_zero/vm/atomic_linux_zero.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/linux_zero/vm/atomic_linux_zero.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright 2007, 2008, 2011 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@@ -26,7 +26,6 @@
#ifndef OS_CPU_LINUX_ZERO_VM_ATOMIC_LINUX_ZERO_INLINE_HPP
#define OS_CPU_LINUX_ZERO_VM_ATOMIC_LINUX_ZERO_INLINE_HPP
-#include "orderAccess_linux_zero.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_zero.hpp"
--- a/hotspot/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2011, 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
@@ -25,7 +25,6 @@
#ifndef OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
#define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
-#include "orderAccess_solaris_sparc.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_sparc.hpp"
--- a/hotspot/src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -25,6 +25,7 @@
#ifndef OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
#define OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
+#include "runtime/atomic.inline.hpp"
#include "runtime/orderAccess.hpp"
#include "vm_version_sparc.hpp"
--- a/hotspot/src/os_cpu/solaris_x86/vm/atomic_solaris_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/solaris_x86/vm/atomic_solaris_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2011, 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
@@ -25,7 +25,6 @@
#ifndef OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_INLINE_HPP
#define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_INLINE_HPP
-#include "orderAccess_solaris_x86.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
--- a/hotspot/src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -25,7 +25,7 @@
#ifndef OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
#define OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
-#include "runtime/atomic.hpp"
+#include "runtime/atomic.inline.hpp"
#include "runtime/orderAccess.hpp"
#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
--- a/hotspot/src/os_cpu/windows_x86/vm/atomic_windows_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/windows_x86/vm/atomic_windows_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2011, 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
@@ -25,7 +25,6 @@
#ifndef OS_CPU_WINDOWS_X86_VM_ATOMIC_WINDOWS_X86_INLINE_HPP
#define OS_CPU_WINDOWS_X86_VM_ATOMIC_WINDOWS_X86_INLINE_HPP
-#include "orderAccess_windows_x86.inline.hpp"
#include "runtime/atomic.hpp"
#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
--- a/hotspot/src/os_cpu/windows_x86/vm/orderAccess_windows_x86.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/os_cpu/windows_x86/vm/orderAccess_windows_x86.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -25,12 +25,11 @@
#ifndef OS_CPU_WINDOWS_X86_VM_ORDERACCESS_WINDOWS_X86_INLINE_HPP
#define OS_CPU_WINDOWS_X86_VM_ORDERACCESS_WINDOWS_X86_INLINE_HPP
-#include "runtime/atomic.hpp"
+#include "runtime/atomic.inline.hpp"
#include "runtime/orderAccess.hpp"
+#include "runtime/os.hpp"
#include "vm_version_x86.hpp"
-#pragma warning(disable: 4035) // Disables warnings reporting missing return statement
-
// Implementation of class OrderAccess.
inline void OrderAccess::loadload() { acquire(); }
@@ -214,6 +213,4 @@
#endif // AMD64
}
-#pragma warning(default: 4035) // Enables warnings reporting missing return statement
-
#endif // OS_CPU_WINDOWS_X86_VM_ORDERACCESS_WINDOWS_X86_INLINE_HPP
--- a/hotspot/src/share/vm/c1/c1_FrameMap.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/c1/c1_FrameMap.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -308,27 +308,6 @@
return sp_offset_for_monitor_base(index) + in_ByteSize(BasicObjectLock::obj_offset_in_bytes());
}
-void FrameMap::print_frame_layout() const {
- int svar;
- tty->print_cr("#####################################");
- tty->print_cr("Frame size in words %d", framesize());
-
- if( _num_monitors > 0) {
- tty->print_cr("monitor [0]:%d | [%2d]:%d",
- in_bytes(sp_offset_for_monitor_base(0)),
- in_bytes(sp_offset_for_monitor_base(_num_monitors)));
- }
- if( _num_spills > 0) {
- svar = _num_spills - 1;
- if(svar == 0)
- tty->print_cr("spill [0]:%d", in_bytes(sp_offset_for_spill(0)));
- else
- tty->print_cr("spill [0]:%d | [%2d]:%d", in_bytes(sp_offset_for_spill(0)),
- svar,
- in_bytes(sp_offset_for_spill(svar)));
- }
-}
-
// For OopMaps, map a local variable or spill index to an VMReg.
// This is the offset from sp() in the frame of the slot for the index,
--- a/hotspot/src/share/vm/c1/c1_FrameMap.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/c1/c1_FrameMap.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -226,8 +226,6 @@
return make_new_address(sp_offset_for_monitor_object(monitor_index));
}
- void print_frame_layout() const;
-
// Creates Location describing desired slot and returns it via pointer
// to Location object. Returns true if the stack frame offset was legal
// (as defined by Location::legal_offset_in_bytes()), false otherwise.
--- a/hotspot/src/share/vm/classfile/classLoaderData.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/classfile/classLoaderData.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -234,6 +234,7 @@
void add_to_deallocate_list(Metadata* m);
static ClassLoaderData* class_loader_data(oop loader);
+ static ClassLoaderData* class_loader_data_or_null(oop loader);
static ClassLoaderData* anonymous_class_loader_data(oop loader, TRAPS);
static void print_loader(ClassLoaderData *loader_data, outputStream *out);
--- a/hotspot/src/share/vm/classfile/classLoaderData.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/classfile/classLoaderData.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -25,9 +25,15 @@
#include "classfile/classLoaderData.hpp"
#include "classfile/javaClasses.hpp"
+inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) {
+ if (loader == NULL) {
+ return ClassLoaderData::the_null_class_loader_data();
+ }
+ return java_lang_ClassLoader::loader_data(loader);
+}
+
inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
- if (loader == NULL) return ClassLoaderData::the_null_class_loader_data();
- ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data(loader);
+ ClassLoaderData* loader_data = class_loader_data_or_null(loader);
assert(loader_data != NULL, "Must be");
return loader_data;
}
--- a/hotspot/src/share/vm/classfile/dictionary.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/classfile/dictionary.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -347,6 +347,7 @@
assert_locked_or_safepoint(SystemDictionary_lock);
assert(obj() != NULL, "adding NULL obj");
assert(obj()->name() == class_name, "sanity check on name");
+ assert(loader_data != NULL, "Must be non-NULL");
unsigned int hash = compute_hash(class_name, loader_data);
int index = hash_to_index(hash);
--- a/hotspot/src/share/vm/classfile/systemDictionary.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/classfile/systemDictionary.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -866,16 +866,22 @@
// the new entry.
Klass* SystemDictionary::find(Symbol* class_name,
- Handle class_loader,
- Handle protection_domain,
- TRAPS) {
+ Handle class_loader,
+ Handle protection_domain,
+ TRAPS) {
// UseNewReflection
// The result of this call should be consistent with the result
// of the call to resolve_instance_class_or_null().
// See evaluation 6790209 and 4474172 for more details.
class_loader = Handle(THREAD, java_lang_ClassLoader::non_reflection_class_loader(class_loader()));
- ClassLoaderData* loader_data = register_loader(class_loader, CHECK_NULL);
+ ClassLoaderData* loader_data = ClassLoaderData::class_loader_data_or_null(class_loader());
+
+ if (loader_data == NULL) {
+ // If the ClassLoaderData has not been setup,
+ // then the class loader has no entries in the dictionary.
+ return NULL;
+ }
unsigned int d_hash = dictionary()->compute_hash(class_name, loader_data);
int d_index = dictionary()->hash_to_index(d_hash);
--- a/hotspot/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -373,6 +373,8 @@
" does not exceed used.end() = " PTR_FORMAT ","
" yet last_chunk_index_to_check " INTPTR_FORMAT
" exceeds last_chunk_index " INTPTR_FORMAT,
+ last_block, last_block + last_block_size,
+ used.end(),
last_chunk_index_to_check, last_chunk_index));
assert(sp->used_region().end() > used.end(),
err_msg("Expansion did not happen: "
--- a/hotspot/src/share/vm/memory/allocation.inline.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/memory/allocation.inline.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -25,6 +25,7 @@
#ifndef SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
#define SHARE_VM_MEMORY_ALLOCATION_INLINE_HPP
+#include "runtime/atomic.inline.hpp"
#include "runtime/os.hpp"
// Explicit C-heap memory management
--- a/hotspot/src/share/vm/memory/cardTableModRefBS.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/memory/cardTableModRefBS.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -694,7 +694,7 @@
if (failed) {
if (!failures) {
tty->cr();
- tty->print_cr("== CT verification failed: ["PTR_FORMAT","PTR_FORMAT"]");
+ tty->print_cr("== CT verification failed: ["PTR_FORMAT","PTR_FORMAT"]", start, end);
tty->print_cr("== %sexpecting value: %d",
(val_equals) ? "" : "not ", val);
failures = true;
--- a/hotspot/src/share/vm/memory/cardTableRS.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/memory/cardTableRS.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -353,7 +353,7 @@
assert(jp >= _begin && jp < _end,
err_msg("Error: jp " PTR_FORMAT " should be within "
"[_begin, _end) = [" PTR_FORMAT "," PTR_FORMAT ")",
- _begin, _end));
+ jp, _begin, _end));
oop obj = oopDesc::load_decode_heap_oop(p);
guarantee(obj == NULL || (HeapWord*)obj >= _boundary,
err_msg("pointer " PTR_FORMAT " at " PTR_FORMAT " on "
--- a/hotspot/src/share/vm/oops/symbol.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/oops/symbol.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -27,6 +27,7 @@
#include "classfile/altHashing.hpp"
#include "classfile/classLoaderData.hpp"
#include "oops/symbol.hpp"
+#include "runtime/atomic.inline.hpp"
#include "runtime/os.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/resourceArea.hpp"
@@ -210,6 +211,28 @@
return AltHashing::murmur3_32(seed, (const jbyte*)as_C_string(), utf8_length());
}
+void Symbol::increment_refcount() {
+ // Only increment the refcount if positive. If negative either
+ // overflow has occurred or it is a permanent symbol in a read only
+ // shared archive.
+ if (_refcount >= 0) {
+ Atomic::inc(&_refcount);
+ NOT_PRODUCT(Atomic::inc(&_total_count);)
+ }
+}
+
+void Symbol::decrement_refcount() {
+ if (_refcount >= 0) {
+ Atomic::dec(&_refcount);
+#ifdef ASSERT
+ if (_refcount < 0) {
+ print();
+ assert(false, "reference count underflow for symbol");
+ }
+#endif
+ }
+}
+
void Symbol::print_on(outputStream* st) const {
if (this == NULL) {
st->print_cr("NULL");
--- a/hotspot/src/share/vm/oops/symbol.hpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/oops/symbol.hpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -27,7 +27,6 @@
#include "utilities/utf8.hpp"
#include "memory/allocation.hpp"
-#include "runtime/atomic.hpp"
// A Symbol is a canonicalized string.
// All Symbols reside in global SymbolTable and are reference counted.
@@ -150,8 +149,8 @@
// Reference counting. See comments above this class for when to use.
int refcount() const { return _refcount; }
- inline void increment_refcount();
- inline void decrement_refcount();
+ void increment_refcount();
+ void decrement_refcount();
int byte_at(int index) const {
assert(index >=0 && index < _length, "symbol index overflow");
@@ -232,26 +231,4 @@
return (((uintptr_t)this < (uintptr_t)other) ? -1
: ((uintptr_t)this == (uintptr_t) other) ? 0 : 1);
}
-
-inline void Symbol::increment_refcount() {
- // Only increment the refcount if positive. If negative either
- // overflow has occurred or it is a permanent symbol in a read only
- // shared archive.
- if (_refcount >= 0) {
- Atomic::inc(&_refcount);
- NOT_PRODUCT(Atomic::inc(&_total_count);)
- }
-}
-
-inline void Symbol::decrement_refcount() {
- if (_refcount >= 0) {
- Atomic::dec(&_refcount);
-#ifdef ASSERT
- if (_refcount < 0) {
- print();
- assert(false, "reference count underflow for symbol");
- }
-#endif
- }
-}
#endif // SHARE_VM_OOPS_SYMBOL_HPP
--- a/hotspot/src/share/vm/prims/jvmtiEnter.xsl Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/prims/jvmtiEnter.xsl Fri Mar 01 15:59:10 2013 -0800
@@ -773,7 +773,7 @@
</xsl:text>
<xsl:apply-templates select=".." mode="traceError">
<xsl:with-param name="err">JVMTI_ERROR_INVALID_THREAD</xsl:with-param>
- <xsl:with-param name="comment"> - jthread resolved to NULL - jthread = %0x%x</xsl:with-param>
+ <xsl:with-param name="comment"> - jthread resolved to NULL - jthread = 0x%x</xsl:with-param>
<xsl:with-param name="extraValue">, <xsl:value-of select="$name"/></xsl:with-param>
</xsl:apply-templates>
<xsl:text>
@@ -782,7 +782,7 @@
</xsl:text>
<xsl:apply-templates select=".." mode="traceError">
<xsl:with-param name="err">JVMTI_ERROR_INVALID_THREAD</xsl:with-param>
- <xsl:with-param name="comment"> - oop is not a thread - jthread = %0x%x</xsl:with-param>
+ <xsl:with-param name="comment"> - oop is not a thread - jthread = 0x%x</xsl:with-param>
<xsl:with-param name="extraValue">, <xsl:value-of select="$name"/></xsl:with-param>
</xsl:apply-templates>
<xsl:text>
@@ -794,7 +794,7 @@
<xsl:with-param name="err">
<xsl:text>JVMTI_ERROR_THREAD_NOT_ALIVE</xsl:text>
</xsl:with-param>
- <xsl:with-param name="comment"> - not a Java thread - jthread = %0x%x</xsl:with-param>
+ <xsl:with-param name="comment"> - not a Java thread - jthread = 0x%x</xsl:with-param>
<xsl:with-param name="extraValue">, <xsl:value-of select="$name"/></xsl:with-param>
</xsl:apply-templates>
<xsl:text>
@@ -838,7 +838,7 @@
</xsl:text>
<xsl:apply-templates select=".." mode="traceError">
<xsl:with-param name="err">JVMTI_ERROR_ILLEGAL_ARGUMENT</xsl:with-param>
- <xsl:with-param name="comment"> - negative depth - jthread = %0x%x</xsl:with-param>
+ <xsl:with-param name="comment"> - negative depth - jthread = 0x%x</xsl:with-param>
<xsl:with-param name="extraValue">, <xsl:value-of select="$name"/></xsl:with-param>
</xsl:apply-templates>
<xsl:text>
--- a/hotspot/src/share/vm/prims/jvmtiEnvBase.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/prims/jvmtiEnvBase.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -997,13 +997,19 @@
// move our object at this point. However, our owner value is safe
// since it is either the Lock word on a stack or a JavaThread *.
owning_thread = Threads::owning_thread_from_monitor_owner(owner, !at_safepoint);
- assert(owning_thread != NULL, "sanity check");
- if (owning_thread != NULL) { // robustness
+ // Cannot assume (owning_thread != NULL) here because this function
+ // may not have been called at a safepoint and the owning_thread
+ // might not be suspended.
+ if (owning_thread != NULL) {
// The monitor's owner either has to be the current thread, at safepoint
// or it has to be suspended. Any of these conditions will prevent both
// contending and waiting threads from modifying the state of
// the monitor.
if (!at_safepoint && !JvmtiEnv::is_thread_fully_suspended(owning_thread, true, &debug_bits)) {
+ // Don't worry! This return of JVMTI_ERROR_THREAD_NOT_SUSPENDED
+ // will not make it back to the JVM/TI agent. The error code will
+ // get intercepted in JvmtiEnv::GetObjectMonitorUsage() which
+ // will retry the call via a VM_GetObjectMonitorUsage VM op.
return JVMTI_ERROR_THREAD_NOT_SUSPENDED;
}
HandleMark hm;
--- a/hotspot/src/share/vm/runtime/synchronizer.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/runtime/synchronizer.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -813,6 +813,7 @@
}
if (owner != NULL) {
+ // owning_thread_from_monitor_owner() may also return NULL here
return Threads::owning_thread_from_monitor_owner(owner, doLock);
}
--- a/hotspot/src/share/vm/runtime/thread.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/runtime/thread.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -4285,7 +4285,9 @@
if (owner == (address)p) return p;
}
}
- assert(UseHeavyMonitors == false, "Did not find owning Java thread with UseHeavyMonitors enabled");
+ // Cannot assert on lack of success here since this function may be
+ // used by code that is trying to report useful problem information
+ // like deadlock detection.
if (UseHeavyMonitors) return NULL;
//
@@ -4303,7 +4305,7 @@
}
}
}
- assert(the_owner != NULL, "Did not find owning Java thread for lock word address");
+ // cannot assert on lack of success here; see above comment
return the_owner;
}
--- a/hotspot/src/share/vm/services/memReporter.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/services/memReporter.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -419,7 +419,7 @@
_output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
_output->print("%28s", " ");
} else {
- _output->print("[" PTR_FORMAT "]%18s", " ");
+ _output->print("[" PTR_FORMAT "]%18s", pc, " ");
}
_output->print_cr("(mmap: reserved=%d%s, committed=%d%s)",
@@ -596,7 +596,7 @@
_output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
_output->print("%28s", " ");
} else {
- _output->print("[" PTR_FORMAT "]%18s", " ");
+ _output->print("[" PTR_FORMAT "]%18s", pc, " ");
}
}
--- a/hotspot/src/share/vm/services/threadService.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/services/threadService.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -327,8 +327,28 @@
while (waitingToLockMonitor != NULL || waitingToLockBlocker != NULL) {
cycle->add_thread(currentThread);
if (waitingToLockMonitor != NULL) {
- currentThread = Threads::owning_thread_from_monitor_owner((address)waitingToLockMonitor->owner(),
- false /* no locking needed */);
+ currentThread = Threads::owning_thread_from_monitor_owner(
+ (address)waitingToLockMonitor->owner(),
+ false /* no locking needed */);
+ if (currentThread == NULL) {
+ // This function is called at a safepoint so the JavaThread
+ // that owns waitingToLockMonitor should be findable, but
+ // if it is not findable, then the previous currentThread is
+ // blocked permanently. We record this as a deadlock.
+ num_deadlocks++;
+
+ cycle->set_deadlock(true);
+
+ // add this cycle to the deadlocks list
+ if (deadlocks == NULL) {
+ deadlocks = cycle;
+ } else {
+ last->set_next(cycle);
+ }
+ last = cycle;
+ cycle = new DeadlockCycle();
+ break;
+ }
} else {
if (concurrent_locks) {
if (waitingToLockBlocker->is_a(SystemDictionary::abstract_ownable_synchronizer_klass())) {
@@ -841,7 +861,17 @@
owner_desc = " (JVMTI raw monitor),\n which is held by";
}
currentThread = Threads::owning_thread_from_monitor_owner(
- (address)waitingToLockMonitor->owner(), false /* no locking needed */);
+ (address)waitingToLockMonitor->owner(),
+ false /* no locking needed */);
+ if (currentThread == NULL) {
+ // The deadlock was detected at a safepoint so the JavaThread
+ // that owns waitingToLockMonitor should be findable, but
+ // if it is not findable, then the previous currentThread is
+ // blocked permanently.
+ st->print("%s UNKNOWN_owner_addr=" PTR_FORMAT, owner_desc,
+ (address)waitingToLockMonitor->owner());
+ continue;
+ }
} else {
st->print(" waiting for ownable synchronizer " INTPTR_FORMAT ", (a %s)",
(address)waitingToLockBlocker,
--- a/hotspot/src/share/vm/utilities/numberSeq.cpp Fri Mar 01 04:58:31 2013 -0800
+++ b/hotspot/src/share/vm/utilities/numberSeq.cpp Fri Mar 01 15:59:10 2013 -0800
@@ -245,7 +245,7 @@
void NumberSeq::dump_on(outputStream* s) {
AbsSeq::dump_on(s);
- s->print_cr("\t\t _last = %7.3f, _maximum = %7.3f");
+ s->print_cr("\t\t _last = %7.3f, _maximum = %7.3f", _last, _maximum);
}
void TruncatedSeq::dump_on(outputStream* s) {