本帖最后由 沧海ふ无涯 于 2014-10-26 14:45 编辑
就是用dlopen 将 libdvm.so 打开,然后得到 dvmGetInlineOpsTable 这个导出表
这个操作不难吧? 当然名字应该不是dvmGetInlineOpsTable 而是类似的
我本身是学csharp的 准备反编译MT6592的rom deodex出错了 目前网上没有相关资料
dvmGetInlineOpsTablePtr dvmGetInlineOpsTable = dlsym(libdvm, "dvmGetInlineOpsTable"); 这行代码无法执行导出
换成_Z26dvmGetInlineOpsTableLengthv也不行
还有,请尝试打开art的库文件 导出一下
http://pan.baidu.com/s/1gdh8TfP
导出结果类似于:
Lorg/apache/harmony/dalvik/NativeTestTarget;->emptyInlineMethod()V
Ljava/lang/String;->charAt(I)C
Ljava/lang/String;->compareTo(Ljava/lang/String;)I
Ljava/lang/String;->equals(Ljava/lang/Object;)Z
Ljava/lang/String;->fastIndexOf(II)I
Ljava/lang/String;->isEmpty()Z
Ljava/lang/String;->length()I
Ljava/lang/Math;->abs(I)I
Ljava/lang/Math;->abs(J)J
Ljava/lang/Math;->abs(F)F
Ljava/lang/Math;->abs(D)D
Ljava/lang/Math;->min(II)I
Ljava/lang/Math;->max(II)I
Ljava/lang/Math;->sqrt(D)D
Ljava/lang/Math;->cos(D)D
Ljava/lang/Math;->sin(D)D
Ljava/lang/Float;->floatToIntBits(F)I
Ljava/lang/Float;->floatToRawIntBits(F)I
Ljava/lang/Float;->intBitsToFloat(I)F
Ljava/lang/Double;->doubleToLongBits(D)J
Ljava/lang/Double;->doubleToRawLongBits(D)J
Ljava/lang/Double;->longBitsToDouble(J)D
Ljava/lang/StrictMath;->abs(I)I
Ljava/lang/StrictMath;->abs(J)J
Ljava/lang/StrictMath;->abs(F)F
Ljava/lang/StrictMath;->abs(D)D
Ljava/lang/StrictMath;->min(II)I
Ljava/lang/StrictMath;->max(II)I
Ljava/lang/StrictMath;->sqrt(D)D
Ljava/lang/Math;->log(D)D
Ljava/lang/Math;->atan(D)D
Ljava/lang/Math;->exp(D)D
有问题的代码源码
[mw_shl_code=shell,true]/*
* Copyright 2011, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <dlfcn.h>
typedef struct InlineOperation {
void * func;
const char* classDescriptor;
const char* methodName;
const char* methodSignature;
} InlineOperation;
typedef const InlineOperation* (*dvmGetInlineOpsTablePtr)();
typedef int (*dvmGetInlineOpsTableLengthPtr)();
void main(int argc, char **argv) {
int i;
void *libdvm = dlopen("libdvm.so", RTLD_LAZY);
if (libdvm == NULL) {
printf("Failed to load libdvm\n");
return;
}
dvmGetInlineOpsTablePtr dvmGetInlineOpsTable = dlsym(libdvm, "dvmGetInlineOpsTable");
if (dvmGetInlineOpsTable == NULL) {
dvmGetInlineOpsTable = dlsym(libdvm, "_Z20dvmGetInlineOpsTablev");
}
if (dvmGetInlineOpsTable == NULL) {
printf("Failed to load dvmGetInlineOpsTable\n");
dlclose(libdvm);
return;
}
dvmGetInlineOpsTableLengthPtr dvmGetInlineOpsTableLength = dlsym(libdvm, "dvmGetInlineOpsTableLength");
if (dvmGetInlineOpsTableLength == NULL) {
dvmGetInlineOpsTableLength = dlsym(libdvm, "_Z26dvmGetInlineOpsTableLengthv");
}
if (dvmGetInlineOpsTableLength == NULL) {
printf("Failed to load dvmGetInlineOpsTableLength\n"); //实际上 只会输出这句 上面的两个参数应该是表的名字? 难道442中已经没了? 或者名字又变了?
dlclose(libdvm);
return;
}
const InlineOperation *inlineTable = dvmGetInlineOpsTable();
int length = dvmGetInlineOpsTableLength();
for (i=0; i<length; i++) {
InlineOperation *item = &inlineTable;
printf("%s->%s%s\n", item->classDescriptor, item->methodName, item->methodSignature);
}
dlclose(libdvm);
return;
}[/mw_shl_code]
https://code.google.com/p/smali/issues/detail?id=226
这是我在谷歌code提出的BUG |