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rcdump.c
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/*******************************************************************************
* Copyright (c) 1991, 2018 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at https://www.eclipse.org/legal/epl-2.0/
* or the Apache License, Version 2.0 which accompanies this distribution and
* is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following
* Secondary Licenses when the conditions for such availability set
* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
* General Public License, version 2 with the GNU Classpath
* Exception [1] and GNU General Public License, version 2 with the
* OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "cfreader.h"
#include "j9.h"
#include "pcstack.h"
#include "jbcmap.h"
#include "bcsizes.h"
#include "bcnames.h"
#include "j9port.h"
#include "j9protos.h"
#include "bcdump.h"
#include "rommeth.h"
#include "util_internal.h"
#define BITS_PER_UDATA (sizeof(UDATA)*8)
#define CF_ALLOC_INCREMENT 4096
#define OPCODE_RELATIVE_BRANCHES 1
#define ROUND_TO(granularity, number) ((number) + \
(((number) % (granularity)) ? ((granularity) - ((number) % (granularity))) : 0))
char *PreInitNames[] = {
"InitNOP",
"InitStatics",
"InitStaticsW",
"InitCopySingles",
"InitCopySinglesW",
"InitCopyDoubles",
"InitCopyDoublesW",
"InitVirtuals",
"InitVirtualsW",
"InitSpecials",
"InitSpecialsW",
"InitInterfaces",
"InitInterfacesW",
"InitCopyIntegers",
"InitCopyIntegersW",
"InitCopyFloats",
"InitCopyFloatsW",
"InitCopyLongs",
"InitCopyLongsW",
"InitInstanceFields",
"InitInstanceFieldsW",
"InitStaticFields",
"InitStaticFieldsW",
};
static I_32 dumpAnnotationInfo ( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpMethodDebugInfo (J9PortLibrary *portLib, J9ROMClass *romClass, J9ROMMethod *romMethod, U_32 flags);
static I_32 dumpNative ( J9PortLibrary *portLib, J9ROMMethod * romMethod, U_32 flags);
static I_32 dumpGenericSignature (J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpEnclosingMethod (J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
#if defined(J9VM_OPT_VALHALLA_NESTMATES)
static I_32 dumpNest (J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
#endif /* J9VM_OPT_VALHALLA_NESTMATES */
static I_32 dumpSimpleName (J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpUTF ( J9UTF8 *utfString, J9PortLibrary *portLib, U_32 flags);
static I_32 dumpSourceDebugExtension (J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpRomStaticField ( J9ROMFieldShape *romStatic, J9PortLibrary *portLib, U_32 flags);
static I_32 dumpRomField ( J9ROMFieldShape *romField, J9PortLibrary *portLib, U_32 flags);
static I_32 dumpSourceFileName (J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpCPShapeDescription ( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpCallSiteData ( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpStaticSplitSideTable( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static I_32 dumpSpecialSplitSideTable( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags);
static void printMethodExtendedModifiers(J9PortLibrary *portLib, U_32 modifiers);
/*
Dump a printed representation of the specified @romClass to stdout.
Answer zero on success */
IDATA j9bcutil_dumpRomClass( J9ROMClass *romClass, J9PortLibrary *portLib, J9TranslationBufferSet *translationBuffers, U_32 flags)
{
U_32 i;
J9ROMFieldShape *currentField;
J9ROMMethod *currentMethod;
J9ROMFieldWalkState state;
PORT_ACCESS_FROM_PORT( portLib );
j9tty_printf( PORTLIB, "ROM Size: 0x%X (%d)\n", romClass->romSize, romClass->romSize);
j9tty_printf( PORTLIB, "Class Name: ");
dumpUTF( (J9UTF8 *) J9ROMCLASS_CLASSNAME(romClass), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, "Superclass Name: ");
if (J9ROMCLASS_SUPERCLASSNAME(romClass)) {
dumpUTF( (J9UTF8 *) J9ROMCLASS_SUPERCLASSNAME(romClass), portLib, flags );
} else {
j9tty_printf( PORTLIB, "<none>");
}
j9tty_printf( PORTLIB, "\n");
/* dump the source file name */
dumpSourceFileName(portLib, romClass, flags);
/* dump the simple name */
dumpSimpleName(portLib, romClass, flags);
/* dump the class generic signature */
dumpGenericSignature(portLib, romClass, flags);
/* dump the enclosing method */
dumpEnclosingMethod(portLib, romClass, flags);
j9tty_printf( PORTLIB, "Oracle Access Flags (0x%X): ", romClass->modifiers);
printModifiers(PORTLIB, romClass->modifiers, ONLY_SPEC_MODIFIERS, MODIFIERSOURCE_CLASS);
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, "J9 Access Flags (0x%X): ", romClass->extraModifiers);
j9_printClassExtraModifiers(portLib, romClass->extraModifiers);
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, "Class file version: %d.%d\n", (U_32) romClass->majorVersion, (U_32) romClass->minorVersion);
j9tty_printf( PORTLIB, "Instance Shape: 0x%X\n", romClass->instanceShape);
j9tty_printf( PORTLIB, "Intermediate Class Data (%d bytes): %p\n", romClass->intermediateClassDataLength, romClass->intermediateClassData);
j9tty_printf( PORTLIB, "Maximum Branch Count: %d\n", romClass->maxBranchCount);
j9tty_printf( PORTLIB, "Interfaces (%i):\n", romClass->interfaceCount);
if (romClass->interfaceCount) {
J9SRP * interfaces = J9ROMCLASS_INTERFACES(romClass);
for(i = 0; i < romClass->interfaceCount; i++) {
j9tty_printf( PORTLIB, " ");
dumpUTF(NNSRP_PTR_GET(interfaces, J9UTF8 *), portLib, flags );
j9tty_printf( PORTLIB, "\n");
interfaces++;
}
}
if (J9_ARE_ALL_BITS_SET(romClass->extraModifiers, J9AccClassInnerClass)) {
j9tty_printf( PORTLIB, "Declaring Class: ");
if (NULL != J9ROMCLASS_OUTERCLASSNAME(romClass)) {
dumpUTF(J9ROMCLASS_OUTERCLASSNAME(romClass), portLib, flags);
} else {
j9tty_printf( PORTLIB, "<unknown>");
}
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, "Member Access Flags (0x%X): ", romClass->memberAccessFlags);
printModifiers(PORTLIB, romClass->memberAccessFlags, ONLY_SPEC_MODIFIERS, MODIFIERSOURCE_CLASS);
j9tty_printf( PORTLIB, "\n");
}
if(romClass->innerClassCount)
{
J9SRP * inners = J9ROMCLASS_INNERCLASSES(romClass);
j9tty_printf( PORTLIB, "Declared Classes (%i):\n", romClass->innerClassCount);
for(i = 0; i < romClass->innerClassCount; i++)
{
j9tty_printf( PORTLIB, " ");
dumpUTF(NNSRP_PTR_GET(inners, J9UTF8 *), portLib, flags );
j9tty_printf( PORTLIB, "\n");
inners++;
}
}
#if defined(J9VM_OPT_VALHALLA_NESTMATES)
/* dump the nest members or nest host, if defined */
dumpNest(portLib, romClass, flags);
#endif /* J9VM_OPT_VALHALLA_NESTMATES */
j9tty_printf( PORTLIB, "Fields (%i):\n", romClass->romFieldCount);
currentField = romFieldsStartDo(romClass, &state);
while (currentField != NULL) {
if (currentField->modifiers & J9AccStatic) {
dumpRomStaticField( currentField, portLib, flags);
} else {
dumpRomField( currentField, portLib, flags);
}
j9tty_printf( PORTLIB, "\n");
currentField = romFieldsNextDo(&state);
}
dumpCPShapeDescription( portLib, romClass, flags );
j9tty_printf( PORTLIB, "Methods (%i):\n", romClass->romMethodCount);
currentMethod = (J9ROMMethod *) J9ROMCLASS_ROMMETHODS(romClass);
for(i = 0; i < romClass->romMethodCount; i++) {
j9bcutil_dumpRomMethod( currentMethod, romClass, portLib, flags, i );
j9tty_printf( PORTLIB, "\n");
currentMethod = nextROMMethod(currentMethod);
}
/* dump source debug extension */
dumpSourceDebugExtension(portLib, romClass, flags);
/* dump annotation info */
dumpAnnotationInfo(portLib, romClass, flags);
dumpCallSiteData(portLib, romClass, flags);
/* dump split side tables */
dumpStaticSplitSideTable(portLib, romClass, flags);
dumpSpecialSplitSideTable(portLib, romClass, flags);
j9tty_printf( PORTLIB, "\n");
return BCT_ERR_NO_ERROR;
}
static I_32 dumpCPShapeDescription( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
U_32 *cpDescription = J9ROMCLASS_CPSHAPEDESCRIPTION(romClass);
U_32 descriptionLong;
U_32 i, j, k, numberOfLongs;
char symbols[] = ".CSIFJDi.vxyzTHA.cxv";
PORT_ACCESS_FROM_PORT( portLib );
numberOfLongs = (romClass->romConstantPoolCount + J9_CP_DESCRIPTIONS_PER_U32 - 1) / J9_CP_DESCRIPTIONS_PER_U32;
j9tty_printf( PORTLIB, "CP Shape Description:\n");
k = romClass->romConstantPoolCount;
for(i = 0; i < numberOfLongs; i++)
{
j9tty_printf( PORTLIB, " ");
descriptionLong = cpDescription[i];
for(j = 0; j < J9_CP_DESCRIPTIONS_PER_U32; j++, k--)
{
if(k == 0) break;
j9tty_printf( PORTLIB, "%c ", symbols[descriptionLong & J9_CP_DESCRIPTION_MASK]);
descriptionLong >>= J9_CP_BITS_PER_DESCRIPTION;
}
j9tty_printf( PORTLIB, "\n");
}
j9tty_printf( PORTLIB, "\n");
return BCT_ERR_NO_ERROR;
}
static I_32
dumpNative( J9PortLibrary *portLib, J9ROMMethod * romMethod, U_32 flags)
{
U_32 temp;
U_8 * bytecodes = J9_BYTECODE_START_FROM_ROM_METHOD(romMethod);
U_8 argCount = bytecodes[0], returnType=bytecodes[1];
U_8 *currentDescription = &bytecodes[2];
char *descriptions[] = {"void", "boolean","byte","char","short","float","int","double","long","object"};
U_32 i;
PORT_ACCESS_FROM_PORT( portLib );
j9tty_printf(PORTLIB, " Argument Count: %d\n", J9_ARG_COUNT_FROM_ROM_METHOD(romMethod));
temp = J9_TEMP_COUNT_FROM_ROM_METHOD(romMethod);
j9tty_printf(PORTLIB, " Temp Count: %d\n", temp);
j9tty_printf(PORTLIB, " Native Argument Count: %d, types: (", argCount);
for(i=argCount; i > 0; i--) {
j9tty_printf( PORTLIB, "%s",descriptions[*currentDescription++]);
if (i != 1) j9tty_printf( PORTLIB, ",");
}
j9tty_printf( PORTLIB, ") %s\n ",descriptions[returnType]);
return BCT_ERR_NO_ERROR;
}
/*
Dump a printed representation of the specified @romField to stdout.
Answer zero on success */
static I_32 dumpRomField( J9ROMFieldShape *romField, J9PortLibrary *portLib, U_32 flags)
{
PORT_ACCESS_FROM_PORT( portLib );
j9tty_printf( PORTLIB, " Name: " );
dumpUTF( (J9UTF8 *) J9ROMFIELDSHAPE_NAME(romField), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Signature: ");
dumpUTF( (J9UTF8 *) J9ROMFIELDSHAPE_SIGNATURE(romField), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Access Flags (%X): ", romField->modifiers);
printModifiers(PORTLIB, romField->modifiers, ONLY_SPEC_MODIFIERS, MODIFIERSOURCE_FIELD);
j9tty_printf( PORTLIB, "\n");
return BCT_ERR_NO_ERROR;
}
/*
Dump a printed representation of the specified @romStatic to stdout.
Answer zero on success */
static I_32 dumpRomStaticField( J9ROMFieldShape *romStatic, J9PortLibrary *portLib, U_32 flags)
{
PORT_ACCESS_FROM_PORT( portLib );
j9tty_printf( PORTLIB, " Name: ");
dumpUTF( (J9UTF8 *) J9ROMFIELDSHAPE_NAME(romStatic), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Signature: ");
dumpUTF( (J9UTF8 *) J9ROMFIELDSHAPE_SIGNATURE(romStatic), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Access Flags (%X): ", romStatic->modifiers);
printModifiers(PORTLIB, romStatic->modifiers, ONLY_SPEC_MODIFIERS, MODIFIERSOURCE_FIELD);
j9tty_printf( PORTLIB, "\n");
return BCT_ERR_NO_ERROR;
}
/*
Dump a printed representation of the specified @utf8String to stdout.
Answer zero on success */
static I_32 dumpUTF( J9UTF8 *utfString, J9PortLibrary *portLib, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
j9tty_printf(PORTLIB, "%.*s", J9UTF8_LENGTH(utfString), J9UTF8_DATA(utfString));
return BCT_ERR_NO_ERROR;
}
static I_32
dumpSourceDebugExtension(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
J9SourceDebugExtension *sde;
U_32 temp;
U_8 *current;
#if defined(J9VM_OPT_DEBUG_INFO_SERVER)
if(!(flags & BCT_StripDebugAttributes)) {
sde = getSourceDebugExtensionForROMClass(NULL, NULL, romClass);
if (sde) {
temp = sde->size;
if (temp) {
current = (U_8 *)sde;
/*increment sde here if it needs to be used further*/
j9tty_printf( PORTLIB, " Source debug extension (%d bytes):\n ", temp);
while (temp--) {
U_8 c = *current++;
if (c == '\015') {
if (temp) {
if (*current == '\012') ++current;
j9tty_printf( PORTLIB, "\n ");
}
} else if (c == '\012') {
j9tty_printf( PORTLIB, "\n ");
} else {
j9tty_printf( PORTLIB, "%c", c);
}
}
}
}
}
#endif
return BCT_ERR_NO_ERROR;
}
static I_32
dumpGenericSignature(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
J9UTF8 *genericSignature = getGenericSignatureForROMClass(NULL, NULL, romClass);
if (genericSignature) {
j9tty_printf( PORTLIB, "Generic Signature: %.*s\n", J9UTF8_LENGTH(genericSignature), J9UTF8_DATA(genericSignature));
}
return BCT_ERR_NO_ERROR;
}
static I_32
dumpSourceFileName(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
J9UTF8 *sourceFileName = NULL;
#if defined(J9VM_OPT_DEBUG_INFO_SERVER)
if(!(flags & BCT_StripDebugAttributes)) {
sourceFileName = getSourceFileNameForROMClass(NULL, NULL, romClass);
if (sourceFileName) {
j9tty_printf( PORTLIB, "Source File Name: %.*s\n", J9UTF8_LENGTH(sourceFileName), J9UTF8_DATA(sourceFileName));
}
}
#endif
return BCT_ERR_NO_ERROR;
}
static I_32
dumpCallSiteData(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
UDATA i;
UDATA callSiteCount = romClass->callSiteCount;
UDATA bsmCount = romClass->bsmCount;
J9SRP *callSiteData = (J9SRP *) J9ROMCLASS_CALLSITEDATA(romClass);
U_16 *bsmIndices = (U_16 *) (callSiteData + callSiteCount);
PORT_ACCESS_FROM_PORT(portLib);
if (0 != callSiteCount) {
j9tty_printf(PORTLIB, " Call Sites (%i):\n", callSiteCount);
for (i = 0; i < callSiteCount; i++) {
J9ROMNameAndSignature* nameAndSig = SRP_PTR_GET(callSiteData + i, J9ROMNameAndSignature*);
j9tty_printf(PORTLIB, " Name: ");
dumpUTF(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig), PORTLIB, flags);
j9tty_printf( PORTLIB, "\n");
j9tty_printf(PORTLIB, " Signature: ");
dumpUTF(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
j9tty_printf(PORTLIB, " Bootstrap Method Index: %i\n", bsmIndices[i]);
}
}
if (0 != bsmCount) {
J9ROMConstantPoolItem *constantPool = J9_ROM_CP_FROM_ROM_CLASS(romClass);
U_32 *cpShapeDescription = J9ROMCLASS_CPSHAPEDESCRIPTION(romClass);
U_16 *bsmDataCursor = bsmIndices + callSiteCount;
UDATA bigEndian = flags & BCT_BigEndianOutput;
j9tty_printf(PORTLIB, " Bootstrap Methods (%i):\n", bsmCount);
for (i = 0; i < bsmCount; i++) {
J9ROMMethodHandleRef *methodHandleRef = (J9ROMMethodHandleRef *) &constantPool[*bsmDataCursor++];
/* methodRef will be either a field or a method ref - they both have the same shape so we can pretend it is always a methodref */
J9ROMMethodRef *methodRef = (J9ROMMethodRef *) &constantPool[methodHandleRef->methodOrFieldRefIndex];
J9ROMClassRef *classRef = (J9ROMClassRef *) &constantPool[methodRef->classRefCPIndex];
J9ROMNameAndSignature *nameAndSig = J9ROMMETHODREF_NAMEANDSIGNATURE(methodRef);
UDATA bsmArgumentCount = *bsmDataCursor++;
j9tty_printf(PORTLIB, " Name: ");
dumpUTF(J9ROMCLASSREF_NAME(classRef), PORTLIB, flags);
j9tty_printf(PORTLIB, ".");
dumpUTF(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig), PORTLIB, flags);
j9tty_printf( PORTLIB, "\n");
j9tty_printf(PORTLIB, " Signature: ");
dumpUTF(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
j9tty_printf(PORTLIB, " Bootstrap Method Arguments (%i):\n", bsmArgumentCount);
for (; 0 != bsmArgumentCount; bsmArgumentCount--) {
UDATA argCPIndex = *bsmDataCursor++;
J9ROMConstantPoolItem *item = constantPool + argCPIndex;
U_32 shapeDesc = J9_CP_TYPE(cpShapeDescription, argCPIndex);
switch(shapeDesc) {
case J9CPTYPE_CLASS:
j9tty_printf(PORTLIB, " Class: ");
dumpUTF(J9ROMCLASSREF_NAME((J9ROMClassRef *)item), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
break;
case J9CPTYPE_STRING:
case J9CPTYPE_ANNOTATION_UTF8:
j9tty_printf(PORTLIB, " String: ");
dumpUTF(J9ROMSTRINGREF_UTF8DATA((J9ROMStringRef *)item), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
break;
case J9CPTYPE_INT:
j9tty_printf(PORTLIB, " Int: 0x%08X\n", ((J9ROMSingleSlotConstantRef *)item)->data);
break;
case J9CPTYPE_FLOAT:
j9tty_printf(PORTLIB, " Float: 0x%08X\n", ((J9ROMSingleSlotConstantRef *)item)->data);
break;
case J9CPTYPE_LONG:
j9tty_printf(PORTLIB, " Long: 0x%08X%08X\n",
bigEndian ? item->slot1 : item->slot2,
bigEndian ? item->slot2 : item->slot1);
break;
case J9CPTYPE_DOUBLE:
j9tty_printf(PORTLIB, " Double: 0x%08X%08X\n",
bigEndian ? item->slot1 : item->slot2,
bigEndian ? item->slot2 : item->slot1);
break;
case J9CPTYPE_FIELD:
j9tty_printf(PORTLIB, " Field: ");
classRef = (J9ROMClassRef *) &constantPool[((J9ROMFieldRef *)item)->classRefCPIndex];
nameAndSig = J9ROMFIELDREF_NAMEANDSIGNATURE((J9ROMFieldRef *)item);
dumpUTF(J9ROMCLASSREF_NAME(classRef), PORTLIB, flags);
j9tty_printf(PORTLIB, ".");
dumpUTF(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig), PORTLIB, flags);
j9tty_printf(PORTLIB, " ");
dumpUTF(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
break;
case J9CPTYPE_HANDLE_METHOD:
case J9CPTYPE_INSTANCE_METHOD:
case J9CPTYPE_STATIC_METHOD:
case J9CPTYPE_INTERFACE_METHOD:
case J9CPTYPE_INTERFACE_INSTANCE_METHOD:
case J9CPTYPE_INTERFACE_STATIC_METHOD:
j9tty_printf(PORTLIB, " Method: ");
classRef = (J9ROMClassRef *) &constantPool[((J9ROMMethodRef *)item)->classRefCPIndex];
nameAndSig = J9ROMMETHODREF_NAMEANDSIGNATURE((J9ROMMethodRef *)item);
dumpUTF(J9ROMCLASSREF_NAME(classRef), PORTLIB, flags);
j9tty_printf(PORTLIB, ".");
dumpUTF(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig), PORTLIB, flags);
dumpUTF(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
break;
case J9CPTYPE_METHOD_TYPE:
j9tty_printf(PORTLIB, " Method Type: ");
dumpUTF(J9ROMMETHODTYPEREF_SIGNATURE((J9ROMMethodTypeRef *)item), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
break;
case J9CPTYPE_METHODHANDLE:
j9tty_printf(PORTLIB, " Method Handle: ");
methodHandleRef = (J9ROMMethodHandleRef *) item;
methodRef = (J9ROMMethodRef *) &constantPool[methodHandleRef->methodOrFieldRefIndex];
classRef = (J9ROMClassRef *) &constantPool[methodRef->classRefCPIndex];
nameAndSig = J9ROMMETHODREF_NAMEANDSIGNATURE(methodRef);
dumpUTF(J9ROMCLASSREF_NAME(classRef), PORTLIB, flags);
j9tty_printf(PORTLIB, ".");
dumpUTF(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig), PORTLIB, flags);
switch (methodHandleRef->handleTypeAndCpType >> J9DescriptionCpTypeShift) {
case MH_REF_GETFIELD:
case MH_REF_PUTFIELD:
case MH_REF_GETSTATIC:
case MH_REF_PUTSTATIC:
j9tty_printf(PORTLIB, " ");
default:
break;
}
dumpUTF(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig), PORTLIB, flags);
j9tty_printf(PORTLIB, "\n");
break;
case J9CPTYPE_UNUSED:
case J9CPTYPE_UNUSED8:
default:
/* unknown cp type */
j9tty_printf(PORTLIB, " <unknown type>\n");
break;
}
}
}
}
return BCT_ERR_NO_ERROR;
}
static I_32
dumpStaticSplitSideTable(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
U_16 i = 0;
U_16 *splitTable = J9ROMCLASS_STATICSPLITMETHODREFINDEXES(romClass);
PORT_ACCESS_FROM_PORT(portLib);
if (romClass->staticSplitMethodRefCount > 0) {
j9tty_printf(PORTLIB, "Static Split Table (%i):\n", romClass->staticSplitMethodRefCount);
j9tty_printf(PORTLIB, " SplitTable Index -> CP Index\n");
for (i = 0; i < romClass->staticSplitMethodRefCount; i++) {
j9tty_printf(PORTLIB, " %16d -> %d\n", i, splitTable[i]);
}
}
return BCT_ERR_NO_ERROR;
}
static I_32
dumpSpecialSplitSideTable(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
U_16 i = 0;
U_16 *splitTable = J9ROMCLASS_SPECIALSPLITMETHODREFINDEXES(romClass);
PORT_ACCESS_FROM_PORT(portLib);
if (romClass->specialSplitMethodRefCount > 0) {
j9tty_printf(PORTLIB, "Special Split Table (%i):\n", romClass->specialSplitMethodRefCount);
j9tty_printf(PORTLIB, " SplitTable Index -> CP Index\n");
for (i = 0; i < romClass->specialSplitMethodRefCount; i++) {
j9tty_printf(PORTLIB, " %16d -> %d\n", i, splitTable[i]);
}
}
return BCT_ERR_NO_ERROR;
}
static I_32
dumpAnnotationInfo( J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
U_32 i;
U_32 *classAnnotationData = getClassAnnotationsDataForROMClass(romClass);
U_32 *classTypeAnnotationData = getClassTypeAnnotationsDataForROMClass(romClass);
j9tty_printf(PORTLIB, " Annotation Info:\n");
if (NULL != classAnnotationData) {
U_32 length = classAnnotationData[0];
U_32 *data = classAnnotationData + 1;
j9tty_printf(PORTLIB, " Class Annotations (%i bytes): %p\n", length, data);
}
if (NULL != classTypeAnnotationData) {
U_32 length = classTypeAnnotationData[0];
U_32 *data = classTypeAnnotationData + 1;
j9tty_printf(PORTLIB, " Class Type Annotations (%i bytes): %p\n", length, data);
}
/* print field annotations */
{
J9ROMFieldWalkState state;
J9ROMFieldShape *romField = romFieldsStartDo(romClass, &state);
j9tty_printf(PORTLIB, " Field Annotations:\n");
for (i = 0; (i < romClass->romFieldCount) && (NULL != romField); i++) {
U_32 *fieldAnnotationData = getFieldAnnotationsDataFromROMField(romField);
U_32 *fieldTypeAnnotationData = getFieldTypeAnnotationsDataFromROMField(romField);
if ((NULL != fieldAnnotationData) || (NULL != fieldTypeAnnotationData)) {
j9tty_printf(PORTLIB, " Name: ");
dumpUTF( (J9UTF8 *) J9ROMFIELDSHAPE_NAME(romField), portLib, flags );
j9tty_printf(PORTLIB, "\n");
j9tty_printf(PORTLIB, " Signature: ");
dumpUTF( (J9UTF8 *) J9ROMFIELDSHAPE_SIGNATURE(romField), portLib, flags );
j9tty_printf(PORTLIB, "\n");
}
if (NULL != fieldAnnotationData) {
U_32 length = fieldAnnotationData[0];
U_32 *data = fieldAnnotationData + 1;
j9tty_printf(PORTLIB, " Annotations (%i bytes): %p\n", length, data);
}
if (NULL != fieldTypeAnnotationData) {
U_32 length = fieldTypeAnnotationData[0];
U_32 *data = fieldTypeAnnotationData + 1;
j9tty_printf(PORTLIB, " Type Annotations (%i bytes): %p\n", length, data);
}
romField = romFieldsNextDo(&state);
}
j9tty_printf(PORTLIB, "\n");
}
/* print method, parameter, type, and default annotations */
{
J9ROMMethod *romMethod = (J9ROMMethod *) J9ROMCLASS_ROMMETHODS(romClass);
j9tty_printf(PORTLIB, " Method Annotations:\n");
for (i = 0; i < romClass->romMethodCount; i++) {
U_32 *methodAnnotationData = getMethodAnnotationsDataFromROMMethod(romMethod);
U_32 *parametersAnnotationData = getParameterAnnotationsDataFromROMMethod(romMethod);
U_32 *defaultAnnotationData = getDefaultAnnotationDataFromROMMethod(romMethod);
U_32 *methodTypeAnnotationData = getMethodTypeAnnotationsDataFromROMMethod(romMethod);
U_32 *codeTypeAnnotationData = getCodeTypeAnnotationsDataFromROMMethod(romMethod);
if ((NULL != methodAnnotationData) || (NULL != parametersAnnotationData) || (NULL != defaultAnnotationData)) {
j9tty_printf(PORTLIB, " Name: ");
dumpUTF( (J9UTF8 *) J9ROMMETHOD_GET_NAME(romClass, romMethod), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf(PORTLIB, " Signature: ");
dumpUTF( (J9UTF8 *) J9ROMMETHOD_GET_SIGNATURE(romClass, romMethod), portLib, flags );
j9tty_printf(PORTLIB, "\n");
}
if (NULL != methodAnnotationData) {
U_32 length = methodAnnotationData[0];
U_32 *data = methodAnnotationData + 1;
j9tty_printf(PORTLIB, " Annotations (%i bytes): %p\n", length, data);
}
if (NULL != parametersAnnotationData) {
U_32 length = parametersAnnotationData[0];
U_32 *data = parametersAnnotationData + 1;
j9tty_printf(PORTLIB, " Parameters Annotations (%i bytes): %p\n", length, data);
}
if (NULL != methodTypeAnnotationData) {
U_32 length = methodTypeAnnotationData[0];
U_32 *data = methodTypeAnnotationData + 1;
j9tty_printf(PORTLIB, " Type Annotations on Method (%i bytes): %p\n", length, data);
}
if (NULL != codeTypeAnnotationData) {
U_32 length = codeTypeAnnotationData[0];
U_32 *data = codeTypeAnnotationData + 1;
j9tty_printf(PORTLIB, " Type Annotations on Code (%i bytes): %p\n", length, data);
}
if (NULL != defaultAnnotationData) {
U_32 length = defaultAnnotationData[0];
U_32 *data = defaultAnnotationData + 1;
j9tty_printf(PORTLIB, " Default Annotation (%i bytes): %p\n", length, data);
}
romMethod = nextROMMethod(romMethod);
}
j9tty_printf(PORTLIB, "\n");
}
return BCT_ERR_NO_ERROR;
}
static I_32
dumpMethodDebugInfo(J9PortLibrary *portLib, J9ROMClass *romClass, J9ROMMethod *romMethod, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
J9MethodDebugInfo *methodInfo;
U_8 *currentLineNumber;
J9LineNumber lineNumber;
U_32 j;
lineNumber.lineNumber = 0;
lineNumber.location = 0;
if(!(flags & BCT_StripDebugAttributes)) {
J9VariableInfoWalkState state;
J9VariableInfoValues *values;
J9MethodDebugInfo* debugInfo;
debugInfo = methodDebugInfoFromROMMethod(romMethod);
/* check for low tag to indicate inline debug information */
methodInfo = getMethodDebugInfoFromROMMethod(romMethod);
if(NULL != methodInfo) {
j9tty_printf( PORTLIB, "\n Debug Info:\n");
j9tty_printf( PORTLIB, " Line Number Table (%i):\n", getLineNumberCount(methodInfo));
currentLineNumber = getLineNumberTable(methodInfo);
for(j = 0; j < getLineNumberCount(methodInfo); j++) {
if (!getNextLineNumberFromTable(¤tLineNumber, &lineNumber)) {
UDATA sizeLeft = getLineNumberCompressedSize(methodInfo) - (currentLineNumber - getLineNumberTable(methodInfo));
j9tty_printf( PORTLIB, " Bad compressed data \n");
while (0 < sizeLeft--) {
j9tty_printf( PORTLIB, " 0x%d \n",*currentLineNumber);
++currentLineNumber;
}
break;
}
j9tty_printf( PORTLIB, " Line: %5i PC: %5i\n", lineNumber.lineNumber, lineNumber.location);
}
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Variables (%i):\n", methodInfo->varInfoCount);
values = variableInfoStartDo(methodInfo, &state);
while(values != NULL) {
j9tty_printf( PORTLIB, " Slot: %i\n", values->slotNumber);
j9tty_printf( PORTLIB, " Visibility Start: %i\n", values->startVisibility);
j9tty_printf( PORTLIB, " Visibility End: %i\n", values->startVisibility + values->visibilityLength);
j9tty_printf( PORTLIB, " Visibility Length: %i\n", values->visibilityLength);
j9tty_printf( PORTLIB, " Name: ");
if (values->name) {
j9tty_printf( PORTLIB, "%.*s\n", J9UTF8_LENGTH(values->name), J9UTF8_DATA(values->name));
} else {
j9tty_printf( PORTLIB, "None\n");
}
j9tty_printf( PORTLIB, " Signature: ");
if (values->signature) {
j9tty_printf( PORTLIB, "%.*s\n", J9UTF8_LENGTH(values->signature), J9UTF8_DATA(values->signature));
} else {
j9tty_printf( PORTLIB, "None\n");
}
j9tty_printf( PORTLIB, " Generic Signature: ");
if (values->genericSignature) {
j9tty_printf( PORTLIB, "%.*s\n", J9UTF8_LENGTH(values->genericSignature), J9UTF8_DATA(values->genericSignature));
} else {
j9tty_printf( PORTLIB, "None\n");
}
values = variableInfoNextDo(&state);
} /* end of the while loop */
} /* end of the if(methodInfo) */
}
return BCT_ERR_NO_ERROR;
}
static I_32
dumpEnclosingMethod(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
J9EnclosingObject *enclosingObject = getEnclosingMethodForROMClass(NULL, NULL, romClass);
if (enclosingObject) {
J9ROMConstantPoolItem *constantPool = J9_ROM_CP_FROM_ROM_CLASS(romClass);
J9UTF8 *className = J9ROMCLASSREF_NAME((J9ROMClassRef *) &constantPool[enclosingObject->classRefCPIndex]);
if (enclosingObject->nameAndSignature) {
J9ROMNameAndSignature *nameAndSig = SRP_GET(enclosingObject->nameAndSignature, J9ROMNameAndSignature *);
j9tty_printf( PORTLIB, "Enclosing Method: %.*s.%.*s%.*s\n",
J9UTF8_LENGTH(className), J9UTF8_DATA(className),
J9UTF8_LENGTH(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig)),
J9UTF8_DATA(J9ROMNAMEANDSIGNATURE_NAME(nameAndSig)),
J9UTF8_LENGTH(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig)),
J9UTF8_DATA(J9ROMNAMEANDSIGNATURE_SIGNATURE(nameAndSig)));
} else {
j9tty_printf( PORTLIB, "Enclosing Class: %.*s\n", J9UTF8_LENGTH(className), J9UTF8_DATA(className));
}
}
return BCT_ERR_NO_ERROR;
}
#if defined(J9VM_OPT_VALHALLA_NESTMATES)
static I_32
dumpNest(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
U_16 nestMemberCount = romClass->nestMemberCount;
J9UTF8 *nestHostName = J9ROMCLASS_NESTHOSTNAME(romClass);
if (0 != nestMemberCount) {
/* The class has a "nest members" attribute (non-zero nestMemberCount) */
U_16 i = 0;
J9SRP *nestMemberNames = J9ROMCLASS_NESTMEMBERS(romClass);
j9tty_printf(PORTLIB, "Nest members (%i):\n", nestMemberCount);
for (i = 0; i < nestMemberCount; i++) {
J9UTF8 *nestMemberClassNames = NNSRP_GET(nestMemberNames[i], J9UTF8 *);
j9tty_printf(PORTLIB, " %.*s\n", J9UTF8_LENGTH(nestMemberClassNames), J9UTF8_DATA(nestMemberClassNames));
}
}
if (NULL != nestHostName) {
/* The class has a "member of nest" attribute (non-NULL nest host name) */
j9tty_printf(PORTLIB, "Nest host class: %.*s\n", J9UTF8_LENGTH(nestHostName), J9UTF8_DATA(nestHostName));
}
return BCT_ERR_NO_ERROR;
}
#endif /* J9VM_OPT_VALHALLA_NESTMATES */
static I_32
dumpSimpleName(J9PortLibrary *portLib, J9ROMClass *romClass, U_32 flags)
{
PORT_ACCESS_FROM_PORT(portLib);
J9UTF8 *simpleName = getSimpleNameForROMClass(NULL, NULL, romClass);
if (simpleName) {
j9tty_printf( PORTLIB, "Simple Name: %.*s\n", J9UTF8_LENGTH(simpleName), J9UTF8_DATA(simpleName));
}
return BCT_ERR_NO_ERROR;
}
/*
Dump a printed representation of the specified @romMethod to stdout.
Answer zero on success */
I_32 j9bcutil_dumpRomMethod( J9ROMMethod *romMethod, J9ROMClass *romClass, J9PortLibrary *portLib, U_32 flags, U_32 methodIndex)
{
I_32 i;
J9SRP *currentThrowName;
J9ExceptionHandler *handler;
J9ROMConstantPoolItem *constantPool = J9_ROM_CP_FROM_ROM_CLASS(romClass);
PORT_ACCESS_FROM_PORT( portLib );
j9tty_printf( PORTLIB, " Name: ");
dumpUTF( (J9UTF8 *) J9ROMMETHOD_GET_NAME(romClass, romMethod), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Signature: ");
dumpUTF( (J9UTF8 *) J9ROMMETHOD_GET_SIGNATURE(romClass, romMethod), portLib, flags );
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Access Flags (%X): ", romMethod->modifiers);
printModifiers(PORTLIB, (U_32)romMethod->modifiers, INCLUDE_INTERNAL_MODIFIERS, MODIFIERSOURCE_METHOD);
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Extended modfiers (%X): ", getExtendedModifiersDataFromROMMethod(romMethod));
printMethodExtendedModifiers(PORTLIB, (U_32)getExtendedModifiersDataFromROMMethod(romMethod));
j9tty_printf( PORTLIB, "\n");
j9tty_printf( PORTLIB, " Max Stack: %d\n", J9_MAX_STACK_FROM_ROM_METHOD(romMethod));
if (J9ROMMETHOD_HAS_EXCEPTION_INFO(romMethod)) {
J9ExceptionInfo * exceptionData = J9_EXCEPTION_DATA_FROM_ROM_METHOD(romMethod);
if (exceptionData->catchCount) {
handler = J9EXCEPTIONINFO_HANDLERS(exceptionData);
j9tty_printf( PORTLIB, " Caught Exceptions (%i):\n", exceptionData->catchCount);
j9tty_printf( PORTLIB, " start end handler catch type\n");
j9tty_printf( PORTLIB, " ----- --- ------- ----------\n");
for (i=0; i < exceptionData->catchCount; i++) {
j9tty_printf( PORTLIB, " %5i%6i%10i ",
handler->startPC,
handler->endPC,
handler->handlerPC,
0);
if (handler->exceptionClassIndex) {
dumpUTF(J9ROMSTRINGREF_UTF8DATA((J9ROMStringRef *) (&constantPool[handler->exceptionClassIndex])), portLib, 0);
j9tty_printf( PORTLIB, "\n");
} else {
j9tty_printf( PORTLIB, "(any)\n");
}
handler += 1;
}
}
if (exceptionData->throwCount) {
j9tty_printf( PORTLIB, " Thrown Exceptions (%i):\n", exceptionData->throwCount);
currentThrowName = J9EXCEPTIONINFO_THROWNAMES(exceptionData);
for (i=0; i < exceptionData->throwCount; i++) {
J9UTF8 * currentName = NNSRP_PTR_GET(currentThrowName, J9UTF8 *);
currentThrowName++;
j9tty_printf( PORTLIB, " ");
dumpUTF( currentName, portLib, 0);
j9tty_printf( PORTLIB, "\n" );
}
}
}
if (J9ROMMETHOD_HAS_METHOD_PARAMETERS(romMethod)) {
J9MethodParametersData * methodParametersData = methodParametersFromROMMethod(romMethod);
J9MethodParameter * parameters = &methodParametersData->parameters;
j9tty_printf( PORTLIB, "\n Method Parameters (%i):\n", methodParametersData->parameterCount);
for (i = 0; i < methodParametersData->parameterCount; i++) {
J9UTF8 * parameterNameUTF8 = SRP_GET(parameters[i].name, J9UTF8 *);
j9tty_printf( PORTLIB, " ");
if (NULL == parameterNameUTF8) {
j9tty_printf( PORTLIB, "<no name>");
} else {
dumpUTF( parameterNameUTF8, portLib, 0);
}
j9tty_printf( PORTLIB, " 0x%x ( ", parameters[i].flags);
printModifiers(PORTLIB, parameters[i].flags, ONLY_SPEC_MODIFIERS, MODIFIERSOURCE_METHODPARAMETER);
j9tty_printf( PORTLIB, " )\n");
}
j9tty_printf( PORTLIB, "\n");
}
if ( romMethod->modifiers & CFR_ACC_NATIVE) {
dumpNative( portLib, romMethod, flags );
} else {
dumpBytecodes( portLib, romClass, romMethod, flags );
}
dumpMethodDebugInfo( portLib, romClass, romMethod, flags );
j9tty_printf( PORTLIB, "\n");
return BCT_ERR_NO_ERROR;
}
/**
* This method prints the modifiers for class, method, field, nested class or methodParameters.
* Following is the list of valid modifiers for each element:
*
* :: CLASS ::
* -ACC_PUBLIC
* -ACC_FINAL
* -ACC_SUPER
* -ACC_INTERFACE
* -ACC_ABSTRACT
* -ACC_SYNTHETIC
* -ACC_ANNOTATION
* -ACC_ENUM
*
* :: NESTED CLASS ::
* -ACC_PUBLIC
* -ACC_PRIVATE
* -ACC_PROTECTED
* -ACC_STATIC
* -ACC_FINAL
* -ACC_INTERFACE
* -ACC_ABSTRACT
* -ACC_SYNTHETIC
* -ACC_ANNOTATION
* -ACC_ENUM
*
* :: METHOD ::
* See comments in ROMClassWriter::writeMethods
*
* :: FIELD ::
* -ACC_PUBLIC
* -ACC_PRIVATE