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8078521: AARCH64: Add AArch64 SA support

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Add AArch64 SA support

Reviewed-by: dsamersoff, dholmes
This commit is contained in:
Andrew Haley 2015-06-12 15:49:55 +01:00
parent 0d85af8161
commit 50746b15a9
22 changed files with 1678 additions and 15 deletions
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9
hotspot/agent/make/Makefile
View File

@ -58,6 +58,7 @@ sun.jvm.hotspot.debugger.cdbg.basic.x86 \
sun.jvm.hotspot.debugger.dummy \ sun.jvm.hotspot.debugger.dummy \
sun.jvm.hotspot.debugger.linux \ sun.jvm.hotspot.debugger.linux \
sun.jvm.hotspot.debugger.linux.amd64 \ sun.jvm.hotspot.debugger.linux.amd64 \
sun.jvm.hotspot.debugger.linux.aarch64 \
sun.jvm.hotspot.debugger.linux.ppc64 \ sun.jvm.hotspot.debugger.linux.ppc64 \
sun.jvm.hotspot.debugger.linux.x86 \ sun.jvm.hotspot.debugger.linux.x86 \
sun.jvm.hotspot.debugger.posix \ sun.jvm.hotspot.debugger.posix \
@ -65,6 +66,7 @@ sun.jvm.hotspot.debugger.posix.elf \
sun.jvm.hotspot.debugger.ppc64 \ sun.jvm.hotspot.debugger.ppc64 \
sun.jvm.hotspot.debugger.proc \ sun.jvm.hotspot.debugger.proc \
sun.jvm.hotspot.debugger.proc.amd64 \ sun.jvm.hotspot.debugger.proc.amd64 \
sun.jvm.hotspot.debugger.proc.aarch64 \
sun.jvm.hotspot.debugger.proc.ppc64 \ sun.jvm.hotspot.debugger.proc.ppc64 \
sun.jvm.hotspot.debugger.proc.sparc \ sun.jvm.hotspot.debugger.proc.sparc \
sun.jvm.hotspot.debugger.proc.x86 \ sun.jvm.hotspot.debugger.proc.x86 \
@ -91,11 +93,13 @@ sun.jvm.hotspot.oops \
sun.jvm.hotspot.prims \ sun.jvm.hotspot.prims \
sun.jvm.hotspot.runtime \ sun.jvm.hotspot.runtime \
sun.jvm.hotspot.runtime.amd64 \ sun.jvm.hotspot.runtime.amd64 \
sun.jvm.hotspot.runtime.aarch64 \
sun.jvm.hotspot.runtime.bsd \ sun.jvm.hotspot.runtime.bsd \
sun.jvm.hotspot.runtime.bsd_amd64 \ sun.jvm.hotspot.runtime.bsd_amd64 \
sun.jvm.hotspot.runtime.bsd_x86 \ sun.jvm.hotspot.runtime.bsd_x86 \
sun.jvm.hotspot.runtime.linux \ sun.jvm.hotspot.runtime.linux \
sun.jvm.hotspot.runtime.linux_amd64 \ sun.jvm.hotspot.runtime.linux_amd64 \
sun.jvm.hotspot.runtime.linux_aarch64 \
sun.jvm.hotspot.runtime.linux_ppc64 \ sun.jvm.hotspot.runtime.linux_ppc64 \
sun.jvm.hotspot.runtime.linux_sparc \ sun.jvm.hotspot.runtime.linux_sparc \
sun.jvm.hotspot.runtime.linux_x86 \ sun.jvm.hotspot.runtime.linux_x86 \
@ -149,16 +153,19 @@ sun/jvm/hotspot/debugger/dummy/*.java \
sun/jvm/hotspot/debugger/linux/*.java \ sun/jvm/hotspot/debugger/linux/*.java \
sun/jvm/hotspot/debugger/linux/ppc64/*.java \ sun/jvm/hotspot/debugger/linux/ppc64/*.java \
sun/jvm/hotspot/debugger/linux/x86/*.java \ sun/jvm/hotspot/debugger/linux/x86/*.java \
sun/jvm/hotspot/debugger/linux/aarch64/*.java \
sun/jvm/hotspot/debugger/posix/*.java \ sun/jvm/hotspot/debugger/posix/*.java \
sun/jvm/hotspot/debugger/posix/elf/*.java \ sun/jvm/hotspot/debugger/posix/elf/*.java \
sun/jvm/hotspot/debugger/ppc64/*.java \ sun/jvm/hotspot/debugger/ppc64/*.java \
sun/jvm/hotspot/debugger/proc/*.java \ sun/jvm/hotspot/debugger/proc/*.java \
sun/jvm/hotspot/debugger/proc/amd64/*.java \ sun/jvm/hotspot/debugger/proc/amd64/*.java \
sun/jvm/hotspot/debugger/proc/aarch64/*.java \
sun/jvm/hotspot/debugger/proc/ppc64/*.java \ sun/jvm/hotspot/debugger/proc/ppc64/*.java \
sun/jvm/hotspot/debugger/proc/sparc/*.java \ sun/jvm/hotspot/debugger/proc/sparc/*.java \
sun/jvm/hotspot/debugger/proc/x86/*.java \ sun/jvm/hotspot/debugger/proc/x86/*.java \
sun/jvm/hotspot/debugger/remote/*.java \ sun/jvm/hotspot/debugger/remote/*.java \
sun/jvm/hotspot/debugger/remote/amd64/*.java \ sun/jvm/hotspot/debugger/remote/amd64/*.java \
sun/jvm/hotspot/debugger/remote/aarch64/*.java \
sun/jvm/hotspot/debugger/remote/ppc64/*.java \ sun/jvm/hotspot/debugger/remote/ppc64/*.java \
sun/jvm/hotspot/debugger/remote/sparc/*.java \ sun/jvm/hotspot/debugger/remote/sparc/*.java \
sun/jvm/hotspot/debugger/remote/x86/*.java \ sun/jvm/hotspot/debugger/remote/x86/*.java \
@ -178,11 +185,13 @@ sun/jvm/hotspot/opto/*.java \
sun/jvm/hotspot/prims/*.java \ sun/jvm/hotspot/prims/*.java \
sun/jvm/hotspot/runtime/*.java \ sun/jvm/hotspot/runtime/*.java \
sun/jvm/hotspot/runtime/amd64/*.java \ sun/jvm/hotspot/runtime/amd64/*.java \
sun/jvm/hotspot/runtime/aarch64/*.java \
sun/jvm/hotspot/runtime/bsd/*.java \ sun/jvm/hotspot/runtime/bsd/*.java \
sun/jvm/hotspot/runtime/bsd_amd64/*.java \ sun/jvm/hotspot/runtime/bsd_amd64/*.java \
sun/jvm/hotspot/runtime/bsd_x86/*.java \ sun/jvm/hotspot/runtime/bsd_x86/*.java \
sun/jvm/hotspot/runtime/linux/*.java \ sun/jvm/hotspot/runtime/linux/*.java \
sun/jvm/hotspot/runtime/linux_amd64/*.java \ sun/jvm/hotspot/runtime/linux_amd64/*.java \
sun/jvm/hotspot/runtime/linux_aarch64/*.java \
sun/jvm/hotspot/runtime/linux_ppc64/*.java \ sun/jvm/hotspot/runtime/linux_ppc64/*.java \
sun/jvm/hotspot/runtime/linux_sparc/*.java \ sun/jvm/hotspot/runtime/linux_sparc/*.java \
sun/jvm/hotspot/runtime/linux_x86/*.java \ sun/jvm/hotspot/runtime/linux_x86/*.java \

13
hotspot/agent/src/os/linux/LinuxDebuggerLocal.c
View File

@ -53,6 +53,10 @@
#include "sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext.h" #include "sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext.h"
#endif #endif
#ifdef aarch64
#include "sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext.h"
#endif
static jfieldID p_ps_prochandle_ID = 0; static jfieldID p_ps_prochandle_ID = 0;
static jfieldID threadList_ID = 0; static jfieldID threadList_ID = 0;
static jfieldID loadObjectList_ID = 0; static jfieldID loadObjectList_ID = 0;
@ -368,7 +372,7 @@ JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLo
#define NPRGREG sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_NPRGREG #define NPRGREG sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_NPRGREG
#endif #endif
#ifdef aarch64 #ifdef aarch64
#define NPRGREG 32 #define NPRGREG sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_NPRGREG
#endif #endif
#if defined(sparc) || defined(sparcv9) #if defined(sparc) || defined(sparcv9)
#define NPRGREG sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_NPRGREG #define NPRGREG sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_NPRGREG
@ -473,6 +477,13 @@ JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLo
#define REG_INDEX(reg) sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_##reg #define REG_INDEX(reg) sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_##reg
{
int i;
for (i = 0; i < 31; i++)
regs[i] = gregs.regs[i];
regs[REG_INDEX(SP)] = gregs.sp;
regs[REG_INDEX(PC)] = gregs.pc;
}
#endif /* aarch64 */ #endif /* aarch64 */
#ifdef ppc64 #ifdef ppc64

5
hotspot/agent/src/os/linux/Makefile
View File

@ -53,14 +53,15 @@ $(ARCH)/LinuxDebuggerLocal.o: LinuxDebuggerLocal.c
$(JAVAH) -jni -classpath ../../../build/classes -d $(ARCH) \ $(JAVAH) -jni -classpath ../../../build/classes -d $(ARCH) \
sun.jvm.hotspot.debugger.x86.X86ThreadContext \ sun.jvm.hotspot.debugger.x86.X86ThreadContext \
sun.jvm.hotspot.debugger.sparc.SPARCThreadContext \ sun.jvm.hotspot.debugger.sparc.SPARCThreadContext \
sun.jvm.hotspot.debugger.amd64.AMD64ThreadContext sun.jvm.hotspot.debugger.amd64.AMD64ThreadContext \
sun.jvm.hotspot.debugger.aarch64.AARCH64ThreadContext
$(GCC) $(CFLAGS) $< -o $@ $(GCC) $(CFLAGS) $< -o $@
$(ARCH)/sadis.o: ../../share/native/sadis.c $(ARCH)/sadis.o: ../../share/native/sadis.c
$(JAVAH) -jni -classpath ../../../build/classes -d $(ARCH) \ $(JAVAH) -jni -classpath ../../../build/classes -d $(ARCH) \
sun.jvm.hotspot.asm.Disassembler sun.jvm.hotspot.asm.Disassembler
$(GCC) $(CFLAGS) $< -o $@ $(GCC) $(CFLAGS) $< -o $@
$(ARCH)/%.o: %.c $(ARCH)/%.o: %.c
$(GCC) $(CFLAGS) $< -o $@ $(GCC) $(CFLAGS) $< -o $@

20
hotspot/agent/src/share/classes/sun/jvm/hotspot/HSDB.java
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@ -983,19 +983,15 @@ public class HSDB implements ObjectHistogramPanel.Listener, SAListener {
curFrame.getFP(), curFrame.getFP(),
anno)); anno));
} else { } else {
if (VM.getVM().getCPU().equals("x86") || VM.getVM().getCPU().equals("amd64")) { // For C2, which has null frame pointers on x86/amd64/aarch64
// For C2, which has null frame pointers on x86/amd64 CodeBlob cb = VM.getVM().getCodeCache().findBlob(curFrame.getPC());
CodeBlob cb = VM.getVM().getCodeCache().findBlob(curFrame.getPC()); Address sp = curFrame.getSP();
Address sp = curFrame.getSP(); if (Assert.ASSERTS_ENABLED) {
if (Assert.ASSERTS_ENABLED) { Assert.that(cb.getFrameSize() > 0, "CodeBlob must have non-zero frame size");
Assert.that(cb.getFrameSize() > 0, "CodeBlob must have non-zero frame size");
}
annoPanel.addAnnotation(new Annotation(sp,
sp.addOffsetTo(cb.getFrameSize()),
anno));
} else {
Assert.that(VM.getVM().getCPU().equals("ia64"), "only ia64 should reach here");
} }
annoPanel.addAnnotation(new Annotation(sp,
sp.addOffsetTo(cb.getFrameSize()),
anno));
} }
// Add interpreter frame annotations // Add interpreter frame annotations

123
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/aarch64/AARCH64ThreadContext.java Normal file
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@ -0,0 +1,123 @@
/*
* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.aarch64;
import java.lang.annotation.Native;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.cdbg.*;
/** Specifies the thread context on aarch64 platforms; only a sub-portion
* of the context is guaranteed to be present on all operating
* systems. */
public abstract class AARCH64ThreadContext implements ThreadContext {
// Taken from /usr/include/asm/sigcontext.h on Linux/AARCH64.
// NOTE: the indices for the various registers must be maintained as
// listed across various operating systems. However, only a small
// subset of the registers' values are guaranteed to be present (and
// must be present for the SA's stack walking to work)
// One instance of the Native annotation is enough to trigger header generation
// for this file.
@Native
public static final int R0 = 0;
public static final int R1 = 1;
public static final int R2 = 2;
public static final int R3 = 3;
public static final int R4 = 4;
public static final int R5 = 5;
public static final int R6 = 6;
public static final int R7 = 7;
public static final int R8 = 8;
public static final int R9 = 9;
public static final int R10 = 10;
public static final int R11 = 11;
public static final int R12 = 12;
public static final int R13 = 13;
public static final int R14 = 14;
public static final int R15 = 15;
public static final int R16 = 16;
public static final int R17 = 17;
public static final int R18 = 18;
public static final int R19 = 19;
public static final int R20 = 20;
public static final int R21 = 21;
public static final int R22 = 22;
public static final int R23 = 23;
public static final int R24 = 24;
public static final int R25 = 25;
public static final int R26 = 26;
public static final int R27 = 27;
public static final int R28 = 28;
public static final int FP = 29;
public static final int LR = 30;
public static final int SP = 31;
public static final int PC = 32;
public static final int NPRGREG = 33;
private long[] data;
public AARCH64ThreadContext() {
data = new long[NPRGREG];
}
public int getNumRegisters() {
return NPRGREG;
}
public String getRegisterName(int index) {
switch (index) {
case LR: return "lr";
case SP: return "sp";
case PC: return "pc";
default:
return "r" + index;
}
}
public void setRegister(int index, long value) {
data[index] = value;
}
public long getRegister(int index) {
return data[index];
}
public CFrame getTopFrame(Debugger dbg) {
return null;
}
/** This can't be implemented in this class since we would have to
* tie the implementation to, for example, the debugging system */
public abstract void setRegisterAsAddress(int index, Address value);
/** This can't be implemented in this class since we would have to
* tie the implementation to, for example, the debugging system */
public abstract Address getRegisterAsAddress(int index);
}

10
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/LinuxCDebugger.java
View File

@ -1,5 +1,6 @@
/* /*
* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -31,12 +32,14 @@ import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.debugger.cdbg.*;
import sun.jvm.hotspot.debugger.x86.*; import sun.jvm.hotspot.debugger.x86.*;
import sun.jvm.hotspot.debugger.amd64.*; import sun.jvm.hotspot.debugger.amd64.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.sparc.*; import sun.jvm.hotspot.debugger.sparc.*;
import sun.jvm.hotspot.debugger.ppc64.*; import sun.jvm.hotspot.debugger.ppc64.*;
import sun.jvm.hotspot.debugger.linux.x86.*; import sun.jvm.hotspot.debugger.linux.x86.*;
import sun.jvm.hotspot.debugger.linux.amd64.*; import sun.jvm.hotspot.debugger.linux.amd64.*;
import sun.jvm.hotspot.debugger.linux.sparc.*; import sun.jvm.hotspot.debugger.linux.sparc.*;
import sun.jvm.hotspot.debugger.linux.ppc64.*; import sun.jvm.hotspot.debugger.linux.ppc64.*;
import sun.jvm.hotspot.debugger.linux.aarch64.*;
import sun.jvm.hotspot.utilities.*; import sun.jvm.hotspot.utilities.*;
class LinuxCDebugger implements CDebugger { class LinuxCDebugger implements CDebugger {
@ -106,6 +109,13 @@ class LinuxCDebugger implements CDebugger {
Address pc = context.getRegisterAsAddress(PPC64ThreadContext.PC); Address pc = context.getRegisterAsAddress(PPC64ThreadContext.PC);
if (pc == null) return null; if (pc == null) return null;
return new LinuxPPC64CFrame(dbg, sp, pc, LinuxDebuggerLocal.getAddressSize()); return new LinuxPPC64CFrame(dbg, sp, pc, LinuxDebuggerLocal.getAddressSize());
} else if (cpu.equals("aarch64")) {
AARCH64ThreadContext context = (AARCH64ThreadContext) thread.getContext();
Address fp = context.getRegisterAsAddress(AARCH64ThreadContext.FP);
if (fp == null) return null;
Address pc = context.getRegisterAsAddress(AARCH64ThreadContext.PC);
if (pc == null) return null;
return new LinuxAARCH64CFrame(dbg, fp, pc);
} else { } else {
// Runtime exception thrown by LinuxThreadContextFactory if unknown cpu // Runtime exception thrown by LinuxThreadContextFactory if unknown cpu
ThreadContext context = (ThreadContext) thread.getContext(); ThreadContext context = (ThreadContext) thread.getContext();

86
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/aarch64/LinuxAARCH64CFrame.java Normal file
View File

@ -0,0 +1,86 @@
/*
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.linux.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.linux.*;
import sun.jvm.hotspot.debugger.cdbg.*;
import sun.jvm.hotspot.debugger.cdbg.basic.*;
final public class LinuxAARCH64CFrame extends BasicCFrame {
public LinuxAARCH64CFrame(LinuxDebugger dbg, Address fp, Address pc) {
super(dbg.getCDebugger());
this.fp = fp;
this.pc = pc;
this.dbg = dbg;
}
// override base class impl to avoid ELF parsing
public ClosestSymbol closestSymbolToPC() {
// try native lookup in debugger.
return dbg.lookup(dbg.getAddressValue(pc()));
}
public Address pc() {
return pc;
}
public Address localVariableBase() {
return fp;
}
public CFrame sender(ThreadProxy thread) {
AARCH64ThreadContext context = (AARCH64ThreadContext) thread.getContext();
Address rsp = context.getRegisterAsAddress(AARCH64ThreadContext.SP);
if ((fp == null) || fp.lessThan(rsp)) {
return null;
}
// Check alignment of fp
if (dbg.getAddressValue(fp) % (2 * ADDRESS_SIZE) != 0) {
return null;
}
Address nextFP = fp.getAddressAt(0 * ADDRESS_SIZE);
if (nextFP == null || nextFP.lessThanOrEqual(fp)) {
return null;
}
Address nextPC = fp.getAddressAt(1 * ADDRESS_SIZE);
if (nextPC == null) {
return null;
}
return new LinuxAARCH64CFrame(dbg, nextFP, nextPC);
}
// package/class internals only
private static final int ADDRESS_SIZE = 8;
private Address pc;
private Address sp;
private Address fp;
private LinuxDebugger dbg;
}

47
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/aarch64/LinuxAARCH64ThreadContext.java Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.linux.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.linux.*;
public class LinuxAARCH64ThreadContext extends AARCH64ThreadContext {
private LinuxDebugger debugger;
public LinuxAARCH64ThreadContext(LinuxDebugger debugger) {
super();
this.debugger = debugger;
}
public void setRegisterAsAddress(int index, Address value) {
setRegister(index, debugger.getAddressValue(value));
}
public Address getRegisterAsAddress(int index) {
return debugger.newAddress(getRegister(index));
}
}

6
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/ProcDebuggerLocal.java
View File

@ -31,11 +31,13 @@ import java.lang.reflect.*;
import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.debugger.cdbg.*;
import sun.jvm.hotspot.debugger.proc.amd64.*; import sun.jvm.hotspot.debugger.proc.amd64.*;
import sun.jvm.hotspot.debugger.proc.aarch64.*;
import sun.jvm.hotspot.debugger.proc.sparc.*; import sun.jvm.hotspot.debugger.proc.sparc.*;
import sun.jvm.hotspot.debugger.proc.ppc64.*; import sun.jvm.hotspot.debugger.proc.ppc64.*;
import sun.jvm.hotspot.debugger.proc.x86.*; import sun.jvm.hotspot.debugger.proc.x86.*;
import sun.jvm.hotspot.debugger.ppc64.*; import sun.jvm.hotspot.debugger.ppc64.*;
import sun.jvm.hotspot.debugger.amd64.*; import sun.jvm.hotspot.debugger.amd64.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.sparc.*; import sun.jvm.hotspot.debugger.sparc.*;
import sun.jvm.hotspot.debugger.x86.*; import sun.jvm.hotspot.debugger.x86.*;
import sun.jvm.hotspot.utilities.*; import sun.jvm.hotspot.utilities.*;
@ -88,6 +90,10 @@ public class ProcDebuggerLocal extends DebuggerBase implements ProcDebugger {
threadFactory = new ProcAMD64ThreadFactory(this); threadFactory = new ProcAMD64ThreadFactory(this);
pcRegIndex = AMD64ThreadContext.RIP; pcRegIndex = AMD64ThreadContext.RIP;
fpRegIndex = AMD64ThreadContext.RBP; fpRegIndex = AMD64ThreadContext.RBP;
} else if (cpu.equals("aarch64")) {
threadFactory = new ProcAARCH64ThreadFactory(this);
pcRegIndex = AARCH64ThreadContext.PC;
fpRegIndex = AARCH64ThreadContext.FP;
} else if (cpu.equals("ppc64")) { } else if (cpu.equals("ppc64")) {
threadFactory = new ProcPPC64ThreadFactory(this); threadFactory = new ProcPPC64ThreadFactory(this);
pcRegIndex = PPC64ThreadContext.PC; pcRegIndex = PPC64ThreadContext.PC;

87
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/aarch64/ProcAARCH64Thread.java Normal file
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@ -0,0 +1,87 @@
/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.proc.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.proc.*;
import sun.jvm.hotspot.utilities.*;
public class ProcAARCH64Thread implements ThreadProxy {
private ProcDebugger debugger;
private int id;
public ProcAARCH64Thread(ProcDebugger debugger, Address addr) {
this.debugger = debugger;
// FIXME: the size here should be configurable. However, making it
// so would produce a dependency on the "types" package from the
// debugger package, which is not desired.
this.id = (int) addr.getCIntegerAt(0, 4, true);
}
public ProcAARCH64Thread(ProcDebugger debugger, long id) {
this.debugger = debugger;
this.id = (int) id;
}
public ThreadContext getContext() throws IllegalThreadStateException {
ProcAARCH64ThreadContext context = new ProcAARCH64ThreadContext(debugger);
long[] regs = debugger.getThreadIntegerRegisterSet(id);
if (Assert.ASSERTS_ENABLED) {
Assert.that(regs.length == AARCH64ThreadContext.NPRGREG, "size mismatch");
}
for (int i = 0; i < regs.length; i++) {
context.setRegister(i, regs[i]);
}
return context;
}
public boolean canSetContext() throws DebuggerException {
return false;
}
public void setContext(ThreadContext context)
throws IllegalThreadStateException, DebuggerException {
throw new DebuggerException("Unimplemented");
}
public String toString() {
return "t@" + id;
}
public boolean equals(Object obj) {
if ((obj == null) || !(obj instanceof ProcAARCH64Thread)) {
return false;
}
return (((ProcAARCH64Thread) obj).id == id);
}
public int hashCode() {
return id;
}
}

47
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/aarch64/ProcAARCH64ThreadContext.java Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.proc.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.proc.*;
public class ProcAARCH64ThreadContext extends AARCH64ThreadContext {
private ProcDebugger debugger;
public ProcAARCH64ThreadContext(ProcDebugger debugger) {
super();
this.debugger = debugger;
}
public void setRegisterAsAddress(int index, Address value) {
setRegister(index, debugger.getAddressValue(value));
}
public Address getRegisterAsAddress(int index) {
return debugger.newAddress(getRegister(index));
}
}

45
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/aarch64/ProcAARCH64ThreadFactory.java Normal file
View File

@ -0,0 +1,45 @@
/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.proc.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.proc.*;
public class ProcAARCH64ThreadFactory implements ProcThreadFactory {
private ProcDebugger debugger;
public ProcAARCH64ThreadFactory(ProcDebugger debugger) {
this.debugger = debugger;
}
public ThreadProxy createThreadWrapper(Address threadIdentifierAddr) {
return new ProcAARCH64Thread(debugger, threadIdentifierAddr);
}
public ThreadProxy createThreadWrapper(long id) {
return new ProcAARCH64Thread(debugger, id);
}
}

54
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/aarch64/RemoteAARCH64Thread.java Normal file
View File

@ -0,0 +1,54 @@
/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.remote.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.remote.*;
import sun.jvm.hotspot.utilities.*;
public class RemoteAARCH64Thread extends RemoteThread {
public RemoteAARCH64Thread(RemoteDebuggerClient debugger, Address addr) {
super(debugger, addr);
}
public RemoteAARCH64Thread(RemoteDebuggerClient debugger, long id) {
super(debugger, id);
}
public ThreadContext getContext() throws IllegalThreadStateException {
RemoteAARCH64ThreadContext context = new RemoteAARCH64ThreadContext(debugger);
long[] regs = (addr != null)? debugger.getThreadIntegerRegisterSet(addr) :
debugger.getThreadIntegerRegisterSet(id);
if (Assert.ASSERTS_ENABLED) {
Assert.that(regs.length == AARCH64ThreadContext.NPRGREG, "size of register set must match");
}
for (int i = 0; i < regs.length; i++) {
context.setRegister(i, regs[i]);
}
return context;
}
}

47
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/aarch64/RemoteAARCH64ThreadContext.java Normal file
View File

@ -0,0 +1,47 @@
/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.remote.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.debugger.remote.*;
public class RemoteAARCH64ThreadContext extends AARCH64ThreadContext {
private RemoteDebuggerClient debugger;
public RemoteAARCH64ThreadContext(RemoteDebuggerClient debugger) {
super();
this.debugger = debugger;
}
public void setRegisterAsAddress(int index, Address value) {
setRegister(index, debugger.getAddressValue(value));
}
public Address getRegisterAsAddress(int index) {
return debugger.newAddress(getRegister(index));
}
}

45
hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/aarch64/RemoteAARCH64ThreadFactory.java Normal file
View File

@ -0,0 +1,45 @@
/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.debugger.remote.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.remote.*;
public class RemoteAARCH64ThreadFactory implements RemoteThreadFactory {
private RemoteDebuggerClient debugger;
public RemoteAARCH64ThreadFactory(RemoteDebuggerClient debugger) {
this.debugger = debugger;
}
public ThreadProxy createThreadWrapper(Address threadIdentifierAddr) {
return new RemoteAARCH64Thread(debugger, threadIdentifierAddr);
}
public ThreadProxy createThreadWrapper(long id) {
return new RemoteAARCH64Thread(debugger, id);
}
}

3
hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/Threads.java
View File

@ -35,6 +35,7 @@ import sun.jvm.hotspot.runtime.win32_amd64.Win32AMD64JavaThreadPDAccess;
import sun.jvm.hotspot.runtime.win32_x86.Win32X86JavaThreadPDAccess; import sun.jvm.hotspot.runtime.win32_x86.Win32X86JavaThreadPDAccess;
import sun.jvm.hotspot.runtime.linux_x86.LinuxX86JavaThreadPDAccess; import sun.jvm.hotspot.runtime.linux_x86.LinuxX86JavaThreadPDAccess;
import sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess; import sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess;
import sun.jvm.hotspot.runtime.linux_aarch64.LinuxAARCH64JavaThreadPDAccess;
import sun.jvm.hotspot.runtime.linux_ppc64.LinuxPPC64JavaThreadPDAccess; import sun.jvm.hotspot.runtime.linux_ppc64.LinuxPPC64JavaThreadPDAccess;
import sun.jvm.hotspot.runtime.linux_sparc.LinuxSPARCJavaThreadPDAccess; import sun.jvm.hotspot.runtime.linux_sparc.LinuxSPARCJavaThreadPDAccess;
import sun.jvm.hotspot.runtime.bsd_x86.BsdX86JavaThreadPDAccess; import sun.jvm.hotspot.runtime.bsd_x86.BsdX86JavaThreadPDAccess;
@ -91,6 +92,8 @@ public class Threads {
access = new LinuxSPARCJavaThreadPDAccess(); access = new LinuxSPARCJavaThreadPDAccess();
} else if (cpu.equals("ppc64")) { } else if (cpu.equals("ppc64")) {
access = new LinuxPPC64JavaThreadPDAccess(); access = new LinuxPPC64JavaThreadPDAccess();
} else if (cpu.equals("aarch64")) {
access = new LinuxAARCH64JavaThreadPDAccess();
} else { } else {
try { try {
access = (JavaThreadPDAccess) access = (JavaThreadPDAccess)

244
hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/aarch64/AARCH64CurrentFrameGuess.java Normal file
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@ -0,0 +1,244 @@
/*
* Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.runtime.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.code.*;
import sun.jvm.hotspot.interpreter.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.runtime.aarch64.*;
/** <P> Should be able to be used on all aarch64 platforms we support
(Linux/aarch64) to implement JavaThread's "currentFrameGuess()"
functionality. Input is an AARCH64ThreadContext; output is SP, FP,
and PC for an AARCH64Frame. Instantiation of the AARCH64Frame is
left to the caller, since we may need to subclass AARCH64Frame to
support signal handler frames on Unix platforms. </P>
<P> Algorithm is to walk up the stack within a given range (say,
512K at most) looking for a plausible PC and SP for a Java frame,
also considering those coming in from the context. If we find a PC
that belongs to the VM (i.e., in generated code like the
interpreter or CodeCache) then we try to find an associated FP.
We repeat this until we either find a complete frame or run out of
stack to look at. </P> */
public class AARCH64CurrentFrameGuess {
private AARCH64ThreadContext context;
private JavaThread thread;
private Address spFound;
private Address fpFound;
private Address pcFound;
private static final boolean DEBUG = System.getProperty("sun.jvm.hotspot.runtime.aarch64.AARCH64Frame.DEBUG")
!= null;
public AARCH64CurrentFrameGuess(AARCH64ThreadContext context,
JavaThread thread) {
this.context = context;
this.thread = thread;
}
/** Returns false if not able to find a frame within a reasonable range. */
public boolean run(long regionInBytesToSearch) {
Address sp = context.getRegisterAsAddress(AARCH64ThreadContext.SP);
Address pc = context.getRegisterAsAddress(AARCH64ThreadContext.PC);
Address fp = context.getRegisterAsAddress(AARCH64ThreadContext.FP);
if (sp == null) {
// Bail out if no last java frame either
if (thread.getLastJavaSP() != null) {
setValues(thread.getLastJavaSP(), thread.getLastJavaFP(), null);
return true;
}
return false;
}
Address end = sp.addOffsetTo(regionInBytesToSearch);
VM vm = VM.getVM();
setValues(null, null, null); // Assume we're not going to find anything
if (vm.isJavaPCDbg(pc)) {
if (vm.isClientCompiler()) {
// If the topmost frame is a Java frame, we are (pretty much)
// guaranteed to have a viable FP. We should be more robust
// than this (we have the potential for losing entire threads'
// stack traces) but need to see how much work we really have
// to do here. Searching the stack for an (SP, FP) pair is
// hard since it's easy to misinterpret inter-frame stack
// pointers as base-of-frame pointers; we also don't know the
// sizes of C1 frames (not registered in the nmethod) so can't
// derive them from SP.
setValues(sp, fp, pc);
return true;
} else {
if (vm.getInterpreter().contains(pc)) {
if (DEBUG) {
System.out.println("CurrentFrameGuess: choosing interpreter frame: sp = " +
sp + ", fp = " + fp + ", pc = " + pc);
}
setValues(sp, fp, pc);
return true;
}
// For the server compiler, FP is not guaranteed to be valid
// for compiled code. In addition, an earlier attempt at a
// non-searching algorithm (see below) failed because the
// stack pointer from the thread context was pointing
// (considerably) beyond the ostensible end of the stack, into
// garbage; walking from the topmost frame back caused a crash.
//
// This algorithm takes the current PC as a given and tries to
// find the correct corresponding SP by walking up the stack
// and repeatedly performing stackwalks (very inefficient).
//
// FIXME: there is something wrong with stackwalking across
// adapter frames...this is likely to be the root cause of the
// failure with the simpler algorithm below.
for (long offset = 0;
offset < regionInBytesToSearch;
offset += vm.getAddressSize()) {
try {
Address curSP = sp.addOffsetTo(offset);
Frame frame = new AARCH64Frame(curSP, null, pc);
RegisterMap map = thread.newRegisterMap(false);
while (frame != null) {
if (frame.isEntryFrame() && frame.entryFrameIsFirst()) {
// We were able to traverse all the way to the
// bottommost Java frame.
// This sp looks good. Keep it.
if (DEBUG) {
System.out.println("CurrentFrameGuess: Choosing sp = " + curSP + ", pc = " + pc);
}
setValues(curSP, null, pc);
return true;
}
frame = frame.sender(map);
}
} catch (Exception e) {
if (DEBUG) {
System.out.println("CurrentFrameGuess: Exception " + e + " at offset " + offset);
}
// Bad SP. Try another.
}
}
// Were not able to find a plausible SP to go with this PC.
// Bail out.
return false;
/*
// Original algorithm which does not work because SP was
// pointing beyond where it should have:
// For the server compiler, FP is not guaranteed to be valid
// for compiled code. We see whether the PC is in the
// interpreter and take care of that, otherwise we run code
// (unfortunately) duplicated from AARCH64Frame.senderForCompiledFrame.
CodeCache cc = vm.getCodeCache();
if (cc.contains(pc)) {
CodeBlob cb = cc.findBlob(pc);
// See if we can derive a frame pointer from SP and PC
// NOTE: This is the code duplicated from AARCH64Frame
Address saved_fp = null;
int llink_offset = cb.getLinkOffset();
if (llink_offset >= 0) {
// Restore base-pointer, since next frame might be an interpreter frame.
Address fp_addr = sp.addOffsetTo(VM.getVM().getAddressSize() * llink_offset);
saved_fp = fp_addr.getAddressAt(0);
}
setValues(sp, saved_fp, pc);
return true;
}
*/
}
} else {
// If the current program counter was not known to us as a Java
// PC, we currently assume that we are in the run-time system
// and attempt to look to thread-local storage for saved SP and
// FP. Note that if these are null (because we were, in fact,
// in Java code, i.e., vtable stubs or similar, and the SA
// didn't have enough insight into the target VM to understand
// that) then we are going to lose the entire stack trace for
// the thread, which is sub-optimal. FIXME.
if (DEBUG) {
System.out.println("CurrentFrameGuess: choosing last Java frame: sp = " +
thread.getLastJavaSP() + ", fp = " + thread.getLastJavaFP());
}
if (thread.getLastJavaSP() == null) {
return false; // No known Java frames on stack
}
// The runtime has a nasty habit of not saving fp in the frame
// anchor, leaving us to grovel about in the stack to find a
// plausible address. Fortunately, this only happens in
// compiled code; there we always have a valid PC, and we always
// push LR and FP onto the stack as a pair, with FP at the lower
// address.
pc = thread.getLastJavaPC();
fp = thread.getLastJavaFP();
sp = thread.getLastJavaSP();
if (fp == null) {
CodeCache cc = vm.getCodeCache();
if (cc.contains(pc)) {
CodeBlob cb = cc.findBlob(pc);
if (DEBUG) {
System.out.println("FP is null. Found blob frame size " + cb.getFrameSize());
}
// See if we can derive a frame pointer from SP and PC
long link_offset = cb.getFrameSize() - 2 * VM.getVM().getAddressSize();
if (link_offset >= 0) {
fp = sp.addOffsetTo(link_offset);
}
}
}
setValues(sp, fp, null);
return true;
}
}
public Address getSP() { return spFound; }
public Address getFP() { return fpFound; }
/** May be null if getting values from thread-local storage; take
care to call the correct AARCH64Frame constructor to recover this if
necessary */
public Address getPC() { return pcFound; }
private void setValues(Address sp, Address fp, Address pc) {
spFound = sp;
fpFound = fp;
pcFound = pc;
}
}

555
hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/aarch64/AARCH64Frame.java Normal file
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@ -0,0 +1,555 @@
/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.runtime.aarch64;
import java.util.*;
import sun.jvm.hotspot.code.*;
import sun.jvm.hotspot.compiler.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.utilities.*;
/** Specialization of and implementation of abstract methods of the
Frame class for the aarch64 family of CPUs. */
public class AARCH64Frame extends Frame {
private static final boolean DEBUG;
static {
DEBUG = System.getProperty("sun.jvm.hotspot.runtime.aarch64.AARCH64Frame.DEBUG") != null;
}
// All frames
private static final int LINK_OFFSET = 0;
private static final int RETURN_ADDR_OFFSET = 1;
private static final int SENDER_SP_OFFSET = 2;
// Interpreter frames
private static final int INTERPRETER_FRAME_MIRROR_OFFSET = 2; // for native calls only
private static final int INTERPRETER_FRAME_SENDER_SP_OFFSET = -1;
private static final int INTERPRETER_FRAME_LAST_SP_OFFSET = INTERPRETER_FRAME_SENDER_SP_OFFSET - 1;
private static final int INTERPRETER_FRAME_METHOD_OFFSET = INTERPRETER_FRAME_LAST_SP_OFFSET - 1;
private static int INTERPRETER_FRAME_MDX_OFFSET; // Non-core builds only
private static int INTERPRETER_FRAME_CACHE_OFFSET;
private static int INTERPRETER_FRAME_LOCALS_OFFSET;
private static int INTERPRETER_FRAME_BCX_OFFSET;
private static int INTERPRETER_FRAME_INITIAL_SP_OFFSET;
private static int INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET;
private static int INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET;
// Entry frames
private static int ENTRY_FRAME_CALL_WRAPPER_OFFSET = -8;
// Native frames
private static final int NATIVE_FRAME_INITIAL_PARAM_OFFSET = 2;
private static VMReg fp = new VMReg(29);
static {
VM.registerVMInitializedObserver(new Observer() {
public void update(Observable o, Object data) {
initialize(VM.getVM().getTypeDataBase());
}
});
}
private static synchronized void initialize(TypeDataBase db) {
INTERPRETER_FRAME_MDX_OFFSET = INTERPRETER_FRAME_METHOD_OFFSET - 1;
INTERPRETER_FRAME_CACHE_OFFSET = INTERPRETER_FRAME_MDX_OFFSET - 1;
INTERPRETER_FRAME_LOCALS_OFFSET = INTERPRETER_FRAME_CACHE_OFFSET - 1;
INTERPRETER_FRAME_BCX_OFFSET = INTERPRETER_FRAME_LOCALS_OFFSET - 1;
INTERPRETER_FRAME_INITIAL_SP_OFFSET = INTERPRETER_FRAME_BCX_OFFSET - 1;
INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET;
INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET;
}
// an additional field beyond sp and pc:
Address raw_fp; // frame pointer
private Address raw_unextendedSP;
private AARCH64Frame() {
}
private void adjustForDeopt() {
if ( pc != null) {
// Look for a deopt pc and if it is deopted convert to original pc
CodeBlob cb = VM.getVM().getCodeCache().findBlob(pc);
if (cb != null && cb.isJavaMethod()) {
NMethod nm = (NMethod) cb;
if (pc.equals(nm.deoptHandlerBegin())) {
if (Assert.ASSERTS_ENABLED) {
Assert.that(this.getUnextendedSP() != null, "null SP in Java frame");
}
// adjust pc if frame is deoptimized.
pc = this.getUnextendedSP().getAddressAt(nm.origPCOffset());
deoptimized = true;
}
}
}
}
public AARCH64Frame(Address raw_sp, Address raw_fp, Address pc) {
this.raw_sp = raw_sp;
this.raw_unextendedSP = raw_sp;
this.raw_fp = raw_fp;
this.pc = pc;
adjustUnextendedSP();
// Frame must be fully constructed before this call
adjustForDeopt();
if (DEBUG) {
System.out.println("AARCH64Frame(sp, fp, pc): " + this);
dumpStack();
}
}
public AARCH64Frame(Address raw_sp, Address raw_fp) {
this.raw_sp = raw_sp;
this.raw_unextendedSP = raw_sp;
this.raw_fp = raw_fp;
this.pc = raw_sp.getAddressAt(-1 * VM.getVM().getAddressSize());
adjustUnextendedSP();
// Frame must be fully constructed before this call
adjustForDeopt();
if (DEBUG) {
System.out.println("AARCH64Frame(sp, fp): " + this);
dumpStack();
}
}
public AARCH64Frame(Address raw_sp, Address raw_unextendedSp, Address raw_fp, Address pc) {
this.raw_sp = raw_sp;
this.raw_unextendedSP = raw_unextendedSp;
this.raw_fp = raw_fp;
this.pc = pc;
adjustUnextendedSP();
// Frame must be fully constructed before this call
adjustForDeopt();
if (DEBUG) {
System.out.println("AARCH64Frame(sp, unextendedSP, fp, pc): " + this);
dumpStack();
}
}
public Object clone() {
AARCH64Frame frame = new AARCH64Frame();
frame.raw_sp = raw_sp;
frame.raw_unextendedSP = raw_unextendedSP;
frame.raw_fp = raw_fp;
frame.pc = pc;
frame.deoptimized = deoptimized;
return frame;
}
public boolean equals(Object arg) {
if (arg == null) {
return false;
}
if (!(arg instanceof AARCH64Frame)) {
return false;
}
AARCH64Frame other = (AARCH64Frame) arg;
return (AddressOps.equal(getSP(), other.getSP()) &&
AddressOps.equal(getUnextendedSP(), other.getUnextendedSP()) &&
AddressOps.equal(getFP(), other.getFP()) &&
AddressOps.equal(getPC(), other.getPC()));
}
public int hashCode() {
if (raw_sp == null) {
return 0;
}
return raw_sp.hashCode();
}
public String toString() {
return "sp: " + (getSP() == null? "null" : getSP().toString()) +
", unextendedSP: " + (getUnextendedSP() == null? "null" : getUnextendedSP().toString()) +
", fp: " + (getFP() == null? "null" : getFP().toString()) +
", pc: " + (pc == null? "null" : pc.toString());
}
// accessors for the instance variables
public Address getFP() { return raw_fp; }
public Address getSP() { return raw_sp; }
public Address getID() { return raw_sp; }
// FIXME: not implemented yet
public boolean isSignalHandlerFrameDbg() { return false; }
public int getSignalNumberDbg() { return 0; }
public String getSignalNameDbg() { return null; }
public boolean isInterpretedFrameValid() {
if (Assert.ASSERTS_ENABLED) {
Assert.that(isInterpretedFrame(), "Not an interpreted frame");
}
// These are reasonable sanity checks
if (getFP() == null || getFP().andWithMask(0x3) != null) {
return false;
}
if (getSP() == null || getSP().andWithMask(0x3) != null) {
return false;
}
if (getFP().addOffsetTo(INTERPRETER_FRAME_INITIAL_SP_OFFSET * VM.getVM().getAddressSize()).lessThan(getSP())) {
return false;
}
// These are hacks to keep us out of trouble.
// The problem with these is that they mask other problems
if (getFP().lessThanOrEqual(getSP())) {
// this attempts to deal with unsigned comparison above
return false;
}
if (getFP().minus(getSP()) > 4096 * VM.getVM().getAddressSize()) {
// stack frames shouldn't be large.
return false;
}
return true;
}
// FIXME: not applicable in current system
// void patch_pc(Thread* thread, address pc);
public Frame sender(RegisterMap regMap, CodeBlob cb) {
AARCH64RegisterMap map = (AARCH64RegisterMap) regMap;
if (Assert.ASSERTS_ENABLED) {
Assert.that(map != null, "map must be set");
}
// Default is we done have to follow them. The sender_for_xxx will
// update it accordingly
map.setIncludeArgumentOops(false);
if (isEntryFrame()) return senderForEntryFrame(map);
if (isInterpretedFrame()) return senderForInterpreterFrame(map);
if(cb == null) {
cb = VM.getVM().getCodeCache().findBlob(getPC());
} else {
if (Assert.ASSERTS_ENABLED) {
Assert.that(cb.equals(VM.getVM().getCodeCache().findBlob(getPC())), "Must be the same");
}
}
if (cb != null) {
return senderForCompiledFrame(map, cb);
}
// Must be native-compiled frame, i.e. the marshaling code for native
// methods that exists in the core system.
return new AARCH64Frame(getSenderSP(), getLink(), getSenderPC());
}
private Frame senderForEntryFrame(AARCH64RegisterMap map) {
if (DEBUG) {
System.out.println("senderForEntryFrame");
}
if (Assert.ASSERTS_ENABLED) {
Assert.that(map != null, "map must be set");
}
// Java frame called from C; skip all C frames and return top C
// frame of that chunk as the sender
AARCH64JavaCallWrapper jcw = (AARCH64JavaCallWrapper) getEntryFrameCallWrapper();
if (Assert.ASSERTS_ENABLED) {
Assert.that(!entryFrameIsFirst(), "next Java fp must be non zero");
Assert.that(jcw.getLastJavaSP().greaterThan(getSP()), "must be above this frame on stack");
}
AARCH64Frame fr;
if (jcw.getLastJavaPC() != null) {
fr = new AARCH64Frame(jcw.getLastJavaSP(), jcw.getLastJavaFP(), jcw.getLastJavaPC());
} else {
fr = new AARCH64Frame(jcw.getLastJavaSP(), jcw.getLastJavaFP());
}
map.clear();
if (Assert.ASSERTS_ENABLED) {
Assert.that(map.getIncludeArgumentOops(), "should be set by clear");
}
return fr;
}
//------------------------------------------------------------------------------
// frame::adjust_unextended_sp
private void adjustUnextendedSP() {
// If we are returning to a compiled MethodHandle call site, the
// saved_fp will in fact be a saved value of the unextended SP. The
// simplest way to tell whether we are returning to such a call site
// is as follows:
CodeBlob cb = cb();
NMethod senderNm = (cb == null) ? null : cb.asNMethodOrNull();
if (senderNm != null) {
// If the sender PC is a deoptimization point, get the original
// PC. For MethodHandle call site the unextended_sp is stored in
// saved_fp.
if (senderNm.isDeoptMhEntry(getPC())) {
// DEBUG_ONLY(verifyDeoptMhOriginalPc(senderNm, getFP()));
raw_unextendedSP = getFP();
}
else if (senderNm.isDeoptEntry(getPC())) {
// DEBUG_ONLY(verifyDeoptOriginalPc(senderNm, raw_unextendedSp));
}
else if (senderNm.isMethodHandleReturn(getPC())) {
raw_unextendedSP = getFP();
}
}
}
private Frame senderForInterpreterFrame(AARCH64RegisterMap map) {
if (DEBUG) {
System.out.println("senderForInterpreterFrame");
}
Address unextendedSP = addressOfStackSlot(INTERPRETER_FRAME_SENDER_SP_OFFSET).getAddressAt(0);
Address sp = addressOfStackSlot(SENDER_SP_OFFSET);
// We do not need to update the callee-save register mapping because above
// us is either another interpreter frame or a converter-frame, but never
// directly a compiled frame.
// 11/24/04 SFG. With the removal of adapter frames this is no longer true.
// However c2 no longer uses callee save register for java calls so there
// are no callee register to find.
if (map.getUpdateMap())
updateMapWithSavedLink(map, addressOfStackSlot(LINK_OFFSET));
return new AARCH64Frame(sp, unextendedSP, getLink(), getSenderPC());
}
private void updateMapWithSavedLink(RegisterMap map, Address savedFPAddr) {
map.setLocation(fp, savedFPAddr);
}
private Frame senderForCompiledFrame(AARCH64RegisterMap map, CodeBlob cb) {
if (DEBUG) {
System.out.println("senderForCompiledFrame");
}
//
// NOTE: some of this code is (unfortunately) duplicated AARCH64CurrentFrameGuess
//
if (Assert.ASSERTS_ENABLED) {
Assert.that(map != null, "map must be set");
}
// frame owned by optimizing compiler
if (Assert.ASSERTS_ENABLED) {
Assert.that(cb.getFrameSize() >= 0, "must have non-zero frame size");
}
Address senderSP = getUnextendedSP().addOffsetTo(cb.getFrameSize());
// The return_address is always the word on the stack
Address senderPC = senderSP.getAddressAt(-1 * VM.getVM().getAddressSize());
// This is the saved value of FP which may or may not really be an FP.
// It is only an FP if the sender is an interpreter frame.
Address savedFPAddr = senderSP.addOffsetTo(- SENDER_SP_OFFSET * VM.getVM().getAddressSize());
if (map.getUpdateMap()) {
// Tell GC to use argument oopmaps for some runtime stubs that need it.
// For C1, the runtime stub might not have oop maps, so set this flag
// outside of update_register_map.
map.setIncludeArgumentOops(cb.callerMustGCArguments());
if (cb.getOopMaps() != null) {
ImmutableOopMapSet.updateRegisterMap(this, cb, map, true);
}
// Since the prolog does the save and restore of FP there is no oopmap
// for it so we must fill in its location as if there was an oopmap entry
// since if our caller was compiled code there could be live jvm state in it.
updateMapWithSavedLink(map, savedFPAddr);
}
return new AARCH64Frame(senderSP, savedFPAddr.getAddressAt(0), senderPC);
}
protected boolean hasSenderPD() {
return true;
}
public long frameSize() {
return (getSenderSP().minus(getSP()) / VM.getVM().getAddressSize());
}
public Address getLink() {
try {
if (DEBUG) {
System.out.println("Reading link at " + addressOfStackSlot(LINK_OFFSET)
+ " = " + addressOfStackSlot(LINK_OFFSET).getAddressAt(0));
}
return addressOfStackSlot(LINK_OFFSET).getAddressAt(0);
} catch (Exception e) {
if (DEBUG)
System.out.println("Returning null");
return null;
}
}
// FIXME: not implementable yet
//inline void frame::set_link(intptr_t* addr) { *(intptr_t **)addr_at(link_offset) = addr; }
public Address getUnextendedSP() { return raw_unextendedSP; }
// Return address:
public Address getSenderPCAddr() { return addressOfStackSlot(RETURN_ADDR_OFFSET); }
public Address getSenderPC() { return getSenderPCAddr().getAddressAt(0); }
// return address of param, zero origin index.
public Address getNativeParamAddr(int idx) {
return addressOfStackSlot(NATIVE_FRAME_INITIAL_PARAM_OFFSET + idx);
}
public Address getSenderSP() { return addressOfStackSlot(SENDER_SP_OFFSET); }
public Address addressOfInterpreterFrameLocals() {
return addressOfStackSlot(INTERPRETER_FRAME_LOCALS_OFFSET);
}
private Address addressOfInterpreterFrameBCX() {
return addressOfStackSlot(INTERPRETER_FRAME_BCX_OFFSET);
}
public int getInterpreterFrameBCI() {
// FIXME: this is not atomic with respect to GC and is unsuitable
// for use in a non-debugging, or reflective, system. Need to
// figure out how to express this.
Address bcp = addressOfInterpreterFrameBCX().getAddressAt(0);
Address methodHandle = addressOfInterpreterFrameMethod().getAddressAt(0);
Method method = (Method)Metadata.instantiateWrapperFor(methodHandle);
return bcpToBci(bcp, method);
}
public Address addressOfInterpreterFrameMDX() {
return addressOfStackSlot(INTERPRETER_FRAME_MDX_OFFSET);
}
// FIXME
//inline int frame::interpreter_frame_monitor_size() {
// return BasicObjectLock::size();
//}
// expression stack
// (the max_stack arguments are used by the GC; see class FrameClosure)
public Address addressOfInterpreterFrameExpressionStack() {
Address monitorEnd = interpreterFrameMonitorEnd().address();
return monitorEnd.addOffsetTo(-1 * VM.getVM().getAddressSize());
}
public int getInterpreterFrameExpressionStackDirection() { return -1; }
// top of expression stack
public Address addressOfInterpreterFrameTOS() {
return getSP();
}
/** Expression stack from top down */
public Address addressOfInterpreterFrameTOSAt(int slot) {
return addressOfInterpreterFrameTOS().addOffsetTo(slot * VM.getVM().getAddressSize());
}
public Address getInterpreterFrameSenderSP() {
if (Assert.ASSERTS_ENABLED) {
Assert.that(isInterpretedFrame(), "interpreted frame expected");
}
return addressOfStackSlot(INTERPRETER_FRAME_SENDER_SP_OFFSET).getAddressAt(0);
}
// Monitors
public BasicObjectLock interpreterFrameMonitorBegin() {
return new BasicObjectLock(addressOfStackSlot(INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET));
}
public BasicObjectLock interpreterFrameMonitorEnd() {
Address result = addressOfStackSlot(INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET).getAddressAt(0);
if (Assert.ASSERTS_ENABLED) {
// make sure the pointer points inside the frame
Assert.that(AddressOps.gt(getFP(), result), "result must < than frame pointer");
Assert.that(AddressOps.lte(getSP(), result), "result must >= than stack pointer");
}
return new BasicObjectLock(result);
}
public int interpreterFrameMonitorSize() {
return BasicObjectLock.size();
}
// Method
public Address addressOfInterpreterFrameMethod() {
return addressOfStackSlot(INTERPRETER_FRAME_METHOD_OFFSET);
}
// Constant pool cache
public Address addressOfInterpreterFrameCPCache() {
return addressOfStackSlot(INTERPRETER_FRAME_CACHE_OFFSET);
}
// Entry frames
public JavaCallWrapper getEntryFrameCallWrapper() {
return new AARCH64JavaCallWrapper(addressOfStackSlot(ENTRY_FRAME_CALL_WRAPPER_OFFSET).getAddressAt(0));
}
protected Address addressOfSavedOopResult() {
// offset is 2 for compiler2 and 3 for compiler1
return getSP().addOffsetTo((VM.getVM().isClientCompiler() ? 2 : 3) *
VM.getVM().getAddressSize());
}
protected Address addressOfSavedReceiver() {
return getSP().addOffsetTo(-4 * VM.getVM().getAddressSize());
}
private void dumpStack() {
for (Address addr = getSP().addOffsetTo(-4 * VM.getVM().getAddressSize());
AddressOps.lt(addr, getSP());
addr = addr.addOffsetTo(VM.getVM().getAddressSize())) {
System.out.println(addr + ": " + addr.getAddressAt(0));
}
System.out.println("-----------------------");
for (Address addr = getSP();
AddressOps.lte(addr, getSP().addOffsetTo(20 * VM.getVM().getAddressSize()));
addr = addr.addOffsetTo(VM.getVM().getAddressSize())) {
System.out.println(addr + ": " + addr.getAddressAt(0));
}
}
}

57
hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/aarch64/AARCH64JavaCallWrapper.java Normal file
View File

@ -0,0 +1,57 @@
/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.runtime.aarch64;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.runtime.*;
public class AARCH64JavaCallWrapper extends JavaCallWrapper {
private static AddressField lastJavaFPField;
static {
VM.registerVMInitializedObserver(new Observer() {
public void update(Observable o, Object data) {
initialize(VM.getVM().getTypeDataBase());
}
});
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("JavaFrameAnchor");
lastJavaFPField = type.getAddressField("_last_Java_fp");
}
public AARCH64JavaCallWrapper(Address addr) {
super(addr);
}
public Address getLastJavaFP() {
return lastJavaFPField.getValue(addr.addOffsetTo(anchorField.getOffset()));
}
}

52
hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/aarch64/AARCH64RegisterMap.java Normal file
View File

@ -0,0 +1,52 @@
/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.runtime.aarch64;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
public class AARCH64RegisterMap extends RegisterMap {
/** This is the only public constructor */
public AARCH64RegisterMap(JavaThread thread, boolean updateMap) {
super(thread, updateMap);
}
protected AARCH64RegisterMap(RegisterMap map) {
super(map);
}
public Object clone() {
AARCH64RegisterMap retval = new AARCH64RegisterMap(this);
return retval;
}
// no PD state to clear or copy:
protected void clearPD() {}
protected void initializePD() {}
protected void initializeFromPD(RegisterMap map) {}
protected Address getLocationPD(VMReg reg) { return null; }
}

132
hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/linux_aarch64/LinuxAARCH64JavaThreadPDAccess.java Normal file
View File

@ -0,0 +1,132 @@
/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Red Hat Inc.
* 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.
*
*/
package sun.jvm.hotspot.runtime.linux_aarch64;
import java.io.*;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.aarch64.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.runtime.aarch64.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.utilities.*;
public class LinuxAARCH64JavaThreadPDAccess implements JavaThreadPDAccess {
private static AddressField lastJavaFPField;
private static AddressField osThreadField;
// Field from OSThread
private static CIntegerField osThreadThreadIDField;
// This is currently unneeded but is being kept in case we change
// the currentFrameGuess algorithm
private static final long GUESS_SCAN_RANGE = 128 * 1024;
static {
VM.registerVMInitializedObserver(new Observer() {
public void update(Observable o, Object data) {
initialize(VM.getVM().getTypeDataBase());
}
});
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("JavaThread");
osThreadField = type.getAddressField("_osthread");
Type anchorType = db.lookupType("JavaFrameAnchor");
lastJavaFPField = anchorType.getAddressField("_last_Java_fp");
Type osThreadType = db.lookupType("OSThread");
osThreadThreadIDField = osThreadType.getCIntegerField("_thread_id");
}
public Address getLastJavaFP(Address addr) {
return lastJavaFPField.getValue(addr.addOffsetTo(sun.jvm.hotspot.runtime.JavaThread.getAnchorField().getOffset()));
}
public Address getLastJavaPC(Address addr) {
return null;
}
public Address getBaseOfStackPointer(Address addr) {
return null;
}
public Frame getLastFramePD(JavaThread thread, Address addr) {
Address fp = thread.getLastJavaFP();
if (fp == null) {
return null; // no information
}
return new AARCH64Frame(thread.getLastJavaSP(), fp);
}
public RegisterMap newRegisterMap(JavaThread thread, boolean updateMap) {
return new AARCH64RegisterMap(thread, updateMap);
}
public Frame getCurrentFrameGuess(JavaThread thread, Address addr) {
ThreadProxy t = getThreadProxy(addr);
AARCH64ThreadContext context = (AARCH64ThreadContext) t.getContext();
AARCH64CurrentFrameGuess guesser = new AARCH64CurrentFrameGuess(context, thread);
if (!guesser.run(GUESS_SCAN_RANGE)) {
return null;
}
if (guesser.getPC() == null) {
return new AARCH64Frame(guesser.getSP(), guesser.getFP());
} else {
return new AARCH64Frame(guesser.getSP(), guesser.getFP(), guesser.getPC());
}
}
public void printThreadIDOn(Address addr, PrintStream tty) {
tty.print(getThreadProxy(addr));
}
public void printInfoOn(Address threadAddr, PrintStream tty) {
tty.print("Thread id: ");
printThreadIDOn(threadAddr, tty);
// tty.println("\nPostJavaState: " + getPostJavaState(threadAddr));
}
public Address getLastSP(Address addr) {
ThreadProxy t = getThreadProxy(addr);
AARCH64ThreadContext context = (AARCH64ThreadContext) t.getContext();
return context.getRegisterAsAddress(AARCH64ThreadContext.SP);
}
public ThreadProxy getThreadProxy(Address addr) {
// Addr is the address of the JavaThread.
// Fetch the OSThread (for now and for simplicity, not making a
// separate "OSThread" class in this package)
Address osThreadAddr = osThreadField.getValue(addr);
// Get the address of the _thread_id from the OSThread
Address threadIdAddr = osThreadAddr.addOffsetTo(osThreadThreadIDField.getOffset());
JVMDebugger debugger = VM.getVM().getDebugger();
return debugger.getThreadForIdentifierAddress(threadIdAddr);
}
}

6
hotspot/make/sa.files
View File

@ -44,6 +44,7 @@ $(AGENT_SRC_DIR)/sun/jvm/hotspot/code/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/compiler/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/compiler/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/aarch64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/x86/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/x86/*.java \
@ -55,6 +56,7 @@ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/ia64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/ia64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/ppc64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/ppc64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/aarch64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/x86/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/x86/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/sparc/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/sparc/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/posix/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/posix/*.java \
@ -63,6 +65,7 @@ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/ppc64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/ppc64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/ppc64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/aarch64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/sparc/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/sparc/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/x86/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/proc/x86/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/*.java \
@ -70,6 +73,7 @@ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/ppc64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/ppc64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/sparc/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/sparc/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/x86/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/x86/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/remote/aarch64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/sparc/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/sparc/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/win32/coff/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/win32/coff/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/*.java \
@ -92,11 +96,13 @@ $(AGENT_SRC_DIR)/sun/jvm/hotspot/opto/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/prims/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/prims/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/aarch64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/bsd/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/bsd/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/bsd_amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/bsd_amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/bsd_x86/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/bsd_x86/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_amd64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_amd64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_aarch64/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_x86/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_x86/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_sparc/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_sparc/*.java \
$(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_ppc64/*.java \ $(AGENT_SRC_DIR)/sun/jvm/hotspot/runtime/linux_ppc64/*.java \