7.4.2. debug问题汇总
init: cannot execve(‘/system/bin/sh’). No such file or directory
这个问题是android系统启动过程中，init进程在启动/system/bin/sh console服务时报的错
遇到此类问题，第一反映就是去检查文件系统的该目录下是否存在这个文件，并检查其权限．经检查文件是存在的，而且权限
也是正常的．遇到这种情况一般问题的原因在 系统的动态链接器与此应用程序中的动态连接器的名字或路径不对 ,可以在
你的编译目录下找到对应的文件，并执行 readelf -l XXX
yinwg@ubuntu:~/ywg_workspace/prj/android_workspace/tmp_fs/system/bin$ sudo readelf -l sh
Elf 文件类型为 DYN (共享目标文件)
Entry point 0xb000
There are 12 program headers, starting at offset 64
程序头：
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
PHDR 0x0000000000000040 0x0000000000000040 0x0000000000000040
0x00000000000002a0 0x00000000000002a0 R 0x8
INTERP 0x00000000000002e0 0x00000000000002e0 0x00000000000002e0
0x0000000000000015 0x0000000000000015 R 0x1
[Requesting program interpreter: /system/bin/linker64]
LOAD 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x000000000000a184 0x000000000000a184 R 0x1000
LOAD 0x000000000000b000 0x000000000000b000 0x000000000000b000
0x000000000003cb50 0x000000000003cb50 R E 0x1000
LOAD 0x0000000000048000 0x0000000000048000 0x0000000000048000
0x00000000000015c0 0x00000000000015c0 RW 0x1000
LOAD 0x00000000000495c0 0x000000000004a5c0 0x000000000004a5c0
0x0000000000000270 0x0000000000001f38 RW 0x1000
TLS 0x0000000000048000 0x0000000000048000 0x0000000000048000
0x0000000000000000 0x0000000000000000 R 0x40
DYNAMIC 0x0000000000048e80 0x0000000000048e80 0x0000000000048e80
0x00000000000001d0 0x00000000000001d0 RW 0x8
GNU_RELRO 0x0000000000048000 0x0000000000048000 0x0000000000048000
0x00000000000015c0 0x0000000000002000 R 0x1
GNU_EH_FRAME 0x00000000000054f8 0x00000000000054f8 0x00000000000054f8
0x0000000000000db4 0x0000000000000db4 R 0x4
GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 RW 0x0
NOTE 0x00000000000002f8 0x00000000000002f8 0x00000000000002f8
0x0000000000000038 0x0000000000000038 R 0x4
注解
执行结果中包含 [Requesting program interpreter: /system/bin/linker64] ,经检查文件系统中linker64并非在此
路径下．
修改linker64的路径后可解决．