请问下怎么集成到Xcode工程？

[kobe1941]

如题，readme看不懂里边的步骤，我现在有一个Xcode工程，想用hookzz来打印函数的调用，如何集成呢？

[jmpews]

用下面的生成 Xcode 工程

cmake .. -G Xcode \
-DCMAKE_TOOLCHAIN_FILE=cmake/ios.toolchain.cmake \
-DIOS_PLATFORM=OS \
-DIOS_ARCH=arm64 \
-DENABLE_ARC=FALSE \
-DENABLE_BITCODE=OFF \
-DDEBUG=ON \
-DSHARED=ON \
-DPLATFORM=iOS \
-DARCH=armv8 \
-DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=Release

[kobe1941]

我没看到这个是啥操作，直接复制到命令行会提示不能识别cmake这个命令 😳
另外就是，我已经有一个Xcode工程了，如何直接引入你的框架呢？我用monkeyDev去生成这个工程的，如果直接再来一个工程，不知道能不能兼容。。

[kobe1941]

打错，没看懂这是要怎么操作？

[jmpews]

用过 cmake 么？

[kobe1941]

@jmpews 安装好cmake了，也编译通过了，怎么集成到我的已有的工程呢？

[jmpews]

hmm 两个 Xcode 不会集成嘛? :(

[kobe1941]

我用第一种方式的，编译完了生成了一些文件，不知道怎么用到Xcode工程里

[jmpews]

emmmmmm... 建议你先看下 cmake 怎么用.

[kobe1941]

生成了Xcode工程，尝试做最后一步：make -j4
终端里报错了：

/Users/hufeng/Documents/backup/HookZz/./srcxx/AssemblyClosureTrampoline.h/Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/platform/platform.h::44::1010::  fatal errorfatal error: : 
      
'iostream'       'cstdarg'file  filenot  notfound found

#include <iostream>#include <cstdarg>

         ^~~~~~~~~~         ^~~~~~~~~

1 warning generated.
In file included from /Users/hufeng/Documents/backup/HookZz/srcxx/vm_core/arch/cpu.cc:2:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/arch/cpu.h:4:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/globals.h:4:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/macros.h:7:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/logging.h:4:
/Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/platform/platform.h:4:10: fatal error: 
      'cstdarg' file not found
#include <cstdarg>
         ^~~~~~~~~
[ 20%] Building CXX object CMakeFiles/hookzz.dir/srcxx/vm_core/objects/code.cc.o
1 warning and 1 error generated.
make[2]: *** [CMakeFiles/hookzz.dir/srcxx/vm_core/logging.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
warning: include path for stdlibc++ headers not found; pass '-std=libc++' on the
      command line to use the libc++ standard library instead
      [-Wstdlibcxx-not-found]
1 warning and 1 error generated.
1 warning and 1 error generated.
make[2]: *** [CMakeFiles/hookzz.dir/srcxx/vm_core/arch/cpu.cc.o] Error 1
make[2]: *** [CMakeFiles/hookzz.dir/srcxx/intercept_routing_handler.cc.o] Error 1
In file included from /Users/hufeng/Documents/backup/HookZz/srcxx/vm_core/objects/code.cc:1:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/objects/code.h:4:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/globals.h:4:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/macros.h:7:
In file included from /Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/logging.h:4:
/Users/hufeng/Documents/backup/HookZz/./srcxx/vm_core/platform/platform.h:4:10: fatal error: 
      'cstdarg' file not found
#include <cstdarg>
         ^~~~~~~~~
1 warning and 1 error generated.
make[2]: *** [CMakeFiles/hookzz.dir/srcxx/vm_core/objects/code.cc.o] Error 1
make[1]: *** [CMakeFiles/hookzz.dir/all] Error 2
make: *** [all] Error 2

大神指教一下？

[kobe1941]

cstdarg这个文件，在Xcode的工程里，是可以找到的。。

[kobe1941]

我用这个仓库提供的静态库直接拖到工程里可以运行了 https://github.com/yuzhouheike/HookZz-Learn
虽然自己编译失败了，还是感谢作者~

[chenzhengxu]

@kobe1941 @jmpews hookobjc_msgSend方法的时候，一些系统调用的方法并不会获取到，比如viewDidLoad是故意屏蔽了吗

[kobe1941]

@chenzhengxu 你是怎么hook的，截图放一下？
我用旧版本可以hook到所有的函数，不过太耗性能了就去掉了

[chenzhengxu]

+ (void)load {
    [self hook_objc_msgSend];
}

+ (void)hook_objc_msgSend {
    ZzHookGOT(NULL,"objc_msgSend", NULL, NULL, objc_msgSend_pre_call, objc_msgSend_post_call);
}

void objc_msgSend_pre_call(RegState *rs, ThreadStackPublic *ts, CallStackPublic *cs, const HookEntryInfo *info) {
    char *selector = (char *)rs->ZREG(1);
    id tmpObject = (id)rs->ZREG(0);
    Class tmpClass  = object_getClass(tmpObject);
    if (!tmpClass)
        return;
    const char *className = class_getName(tmpClass);
    
    long log_time = log_timeInterval();
    stack.push({className, selector, log_time, 0});
}

void objc_msgSend_post_call(RegState *rs, ThreadStackPublic *ts, CallStackPublic *cs, const HookEntryInfo *info) {
    long log_time = log_timeInterval();
    MethodItem *item = &stack.top();
    item->post_time = log_time;
    
    printf("end:[thread:|%ld] [%s %s] startTime:[%ld] endTime:[%ld]\n", ts->thread_id, item->className, item->selector, item->pre_time, item->post_time);
    stack.pop();
}

与https://github.com/yuzhouheike/HookZz-Learn的方式一样 @kobe1941

[kobe1941]

我可以hook到所有的函数的，你看看是不是被过滤掉了

[chenzhengxu]

我这边没有过滤操作，https://github.com/everettjf/AppleTrace这个库也用了hookzz，也不会打印所有函数，你有哪个工程可以hook所有函数的吗，有没有地址给看下

[kobe1941]

我用旧版本的可以hook，不过用了新版本后就不行了，hook失败，作者也没告诉我怎么用o(╯□╰)o

[jmpews]

hook 这个 objc_msgSend 会有坑, 出触发 libMainChecker.dylib 的校验, 需要另外一段时间修复, 目前在关注 dev branch 以及一些插件. kobe1941 <notifications@github.com> 于2019年4月8日周一 下午6:26写道：

…

我用旧版本的可以hook，不过用了新版本后就不行了，hook失败，作者也没告诉我怎么用o(╯□╰)o — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#44 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEcgNb2tql-5_rj-ySS-AN4hQP65DLkiks5vexlUgaJpZM4X95CF> .

[chenzhengxu]

@jmpews 请问下，hookobjc_msg_send的时候是如何屏蔽一大堆系统方法的

[jmpews]

通过 x0(this), x1(selector) 的地址. 更好的方法是不要 inlinehook objc_msgSend, 通过 fishhook 限定在 binary image 的 objc_msgSend. Johnny <notifications@github.com> 于2019年4月10日周三 下午4:57写道：

…

@jmpews <https://github.com/jmpews> 请问下，hookobjc_msg_send的时候是如何屏蔽一大堆系统方法的 — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#44 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEcgNQ1pKFjcWKuwzyj4sCGw85yxv1lHks5vfad9gaJpZM4X95CF> .