com.googlecode.d2j.dex.writer.item.DebugInfoItem Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of gradle Show documentation
Show all versions of gradle Show documentation
fakeradnroid gradle builder
/*
* dex2jar - Tools to work with android .dex and java .class files
* Copyright (c) 2009-2013 Panxiaobo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.googlecode.d2j.dex.writer.item;
import com.googlecode.d2j.dex.writer.insn.Label;
import com.googlecode.d2j.dex.writer.io.DataOut;
import java.util.ArrayList;
import java.util.List;
public class DebugInfoItem extends BaseItem {
public List debugNodes = new ArrayList<>();
public StringIdItem parameterNames[];
public int firstLine;
public StringIdItem fileName;
public static class DNode {
public int op;
public int reg;
public int line;
public Label label;
StringIdItem name;
TypeIdItem type;
StringIdItem sig;
public static DNode startLocal(int reg, Label label, StringIdItem name, TypeIdItem type) {
DNode node = new DNode();
node.reg = reg;
node.label = label;
node.name = name;
node.type = type;
node.op = DBG_START_LOCAL;
return node;
}
public static DNode line(int line, Label label) {
DNode node = new DNode();
node.line = line;
node.label = label;
node.op = 99999;
return node;
}
public static DNode startLocalEx(int reg, Label label, StringIdItem name, TypeIdItem type, StringIdItem sig) {
DNode node = new DNode();
node.reg = reg;
node.label = label;
node.name = name;
node.type = type;
node.sig = sig;
node.op = DBG_START_LOCAL_EXTENDED;
return node;
}
public static DNode endLocal(int reg, Label label) {
DNode node = new DNode();
node.reg = reg;
node.label = label;
node.op = DBG_END_LOCAL;
return node;
}
public static DNode restartLocal(int reg, Label label) {
DNode node = new DNode();
node.reg = reg;
node.label = label;
node.op = DBG_RESTART_LOCAL;
return node;
}
public static DNode epiogue(Label label) {
DNode node = new DNode();
node.label = label;
node.op = DBG_SET_EPILOGUE_BEGIN;
return node;
}
public static DNode prologue(Label label) {
DNode node = new DNode();
node.label = label;
node.op = DBG_SET_PROLOGUE_END;
return node;
}
}
static final int DBG_END_SEQUENCE = 0x00;
static final int DBG_ADVANCE_PC = 0x01;
static final int DBG_ADVANCE_LINE = 0x02;
static final int DBG_START_LOCAL = 0x03;
static final int DBG_START_LOCAL_EXTENDED = 0x04;
static final int DBG_END_LOCAL = 0x05;
static final int DBG_RESTART_LOCAL = 0x06;
static final int DBG_SET_PROLOGUE_END = 0x07;
static final int DBG_SET_EPILOGUE_BEGIN = 0x08;
static final int DBG_SET_FILE = 0x09;
static final int DBG_FIRST_SPECIAL = 0x0a;
static final int DBG_LINE_BASE = -4;
static final int DBG_LINE_RANGE = 15;
@Override
public int place(int offset) {
offset += lengthOfUleb128(firstLine);
if (parameterNames == null) {
offset += lengthOfUleb128(0);
} else {
offset += lengthOfUleb128(parameterNames.length);
for (StringIdItem s : parameterNames) {
offset += lengthOfUleb128(1 + (s == null ? -1 : s.index));
}
}
int line = firstLine;
int addr = 0;
if (fileName != null) {
offset += 1;
offset += lengthOfUleb128(fileName.index + 1);
}
for (DNode opNode : debugNodes) {
switch (opNode.op) {
case DBG_START_LOCAL_EXTENDED:
offset += lengthOfUleb128(opNode.sig.index + 1);
// through;
case DBG_START_LOCAL: {
int pcData = opNode.label.offset - addr;
if (pcData < 0) {
throw new RuntimeException();
} else if (pcData > 0) {
// add an addvance_PC
offset += 1;
offset += lengthOfUleb128(pcData);
}
addr = opNode.label.offset;
}
offset += 1;// op;
offset += lengthOfUleb128(opNode.reg);
offset += lengthOfUleb128(opNode.name.index + 1);
offset += lengthOfUleb128(opNode.type.index + 1);
break;
case DBG_RESTART_LOCAL:
case DBG_END_LOCAL: {
int pcData = opNode.label.offset - addr;
if (pcData < 0) {
throw new RuntimeException();
} else if (pcData > 0) {
// add an addvance_PC
offset += 1;
offset += lengthOfUleb128(pcData);
}
addr = opNode.label.offset;
}
offset += 1;// op;
offset += lengthOfUleb128(opNode.reg);
break;
case DBG_SET_EPILOGUE_BEGIN:
case DBG_SET_PROLOGUE_END:
offset += 1;
break;
case DBG_SET_FILE:
throw new RuntimeException();
default:
int lineDelta = opNode.line - line;
int addrDelta = opNode.label.offset - addr;
if (addrDelta < 0) {
throw new RuntimeException();
}
if (opNode.label.offset == 0 && lineDelta == 0 && addrDelta == 0) { // first line;
break;
}
if ((lineDelta >= -4 && lineDelta <= 10) && addrDelta <= 15) {
// do nothing
} else {
if (addrDelta > 15) { // pc not ok, add addvance_PC
offset += 1;
offset += lengthOfUleb128(addrDelta);
addrDelta = 0;
}
if (lineDelta < -4 || lineDelta > 10) { // line not ok, add DBG_ADVANCE_LINE
offset += 1;
offset += lengthOfSleb128(lineDelta);
lineDelta = 0;
}
}
// int op = lineDelta + 4 + addrDelta * DBG_LINE_RANGE + DBG_FIRST_SPECIAL;
offset += 1;
line = opNode.line;
addr = opNode.label.offset;
break;
}
}
offset += 1;// end sequence;
return offset;
}
@Override
public void write(DataOut out) {
out.uleb128("startline", firstLine);
if (parameterNames == null) {
out.uleb128("szParams", 0);
} else {
out.uleb128("szParams", parameterNames.length);
for (StringIdItem s : parameterNames) {
out.uleb128p1("param_name_index", s == null ? -1 : s.index);
}
}
int line = firstLine;
int addr = 0;
if (fileName != null) {
out.sbyte("DBG_SET_FILE", DBG_SET_FILE);
out.uleb128p1("filename", fileName.index);
}
for (DNode opNode : debugNodes) {
switch (opNode.op) {
case DBG_START_LOCAL_EXTENDED: {
int pcDelta = opNode.label.offset - addr;
if (pcDelta < 0) {
throw new RuntimeException();
} else if (pcDelta > 0) {
addAdvancePC(out, pcDelta);
}
addr = opNode.label.offset;
}
out.sbyte("DBG_START_LOCAL_EXTENDED", DBG_START_LOCAL_EXTENDED);
out.uleb128("reg", opNode.reg);
out.uleb128p1("name", opNode.name.index);
out.uleb128p1("type", opNode.type.index);
out.uleb128p1("sig", opNode.sig.index);
break;
case DBG_START_LOCAL: {
int pcDelta = opNode.label.offset - addr;
if (pcDelta < 0) {
throw new RuntimeException();
} else if (pcDelta > 0) {
addAdvancePC(out, pcDelta);
}
addr = opNode.label.offset;
}
out.sbyte("DBG_START_LOCAL", DBG_START_LOCAL);
out.uleb128("reg", opNode.reg);
out.uleb128p1("name", opNode.name.index);
out.uleb128p1("type", opNode.type.index);
break;
case DBG_RESTART_LOCAL: {
int pcDelta = opNode.label.offset - addr;
if (pcDelta < 0) {
throw new RuntimeException();
} else if (pcDelta > 0) {
addAdvancePC(out, pcDelta);
}
addr = opNode.label.offset;
}
out.sbyte("DBG_RESTART_LOCAL", DBG_RESTART_LOCAL);
out.uleb128("reg", opNode.reg);
break;
case DBG_END_LOCAL: {
int pcDelta = opNode.label.offset - addr;
if (pcDelta < 0) {
throw new RuntimeException();
} else if (pcDelta > 0) {
addAdvancePC(out, pcDelta);
}
addr = opNode.label.offset;
}
out.sbyte("DBG_END_LOCAL", DBG_END_LOCAL);
out.uleb128("reg", opNode.reg);
break;
case DBG_SET_EPILOGUE_BEGIN:
out.sbyte("DBG_SET_EPILOGUE_BEGIN", DBG_SET_EPILOGUE_BEGIN);
break;
case DBG_SET_PROLOGUE_END:
out.sbyte("DBG_SET_PROLOGUE_END", DBG_SET_PROLOGUE_END);
break;
case DBG_SET_FILE:
throw new RuntimeException();
default:
int lineDelta = opNode.line - line;
int addrDelta = opNode.label.offset - addr;
if (addrDelta < 0) {
throw new RuntimeException();
}
if (opNode.label.offset == 0 && lineDelta == 0 && addrDelta == 0) { // first line;
break;
}
if ((lineDelta >= -4 && lineDelta <= 10) && addrDelta <= 15) {
// do nothing
} else {
if (addrDelta > 15) { // pc not ok, add addvance_PC
addAdvancePC(out, addrDelta);
addrDelta = 0;
}
if (lineDelta < -4 || lineDelta > 10) { // line not ok, add DBG_ADVANCE_LINE
addAdvanceLine(out, lineDelta);
lineDelta = 0;
}
}
int op = lineDelta + 4 + addrDelta * DBG_LINE_RANGE + DBG_FIRST_SPECIAL;
out.sbyte("DEBUG_OP_X", op);
line = opNode.line;
addr = opNode.label.offset;
break;
}
}
out.sbyte("DBG_END_SEQUENCE", DBG_END_SEQUENCE);
}
private void addAdvanceLine(DataOut out, int lineDelta) {
out.sbyte("DBG_ADVANCE_LINE", DBG_ADVANCE_LINE);
out.sleb128("offset", lineDelta);
}
private void addAdvancePC(DataOut out, int delta) {
out.sbyte("DBG_ADVANCE_PC", DBG_ADVANCE_PC);
out.uleb128("offset", delta);
}
}