關(guān)于arm處理器 內(nèi)存編址模式 與 字節(jié)對(duì)齊方式
加入技術(shù)交流群
出現(xiàn)的位置如下（其中Debug的內(nèi)容是我在程序中添加的調(diào)試信息）：
root@211.69.193.189:~# arm_v5t_le-gcc -g shit.c
root@211.69.193.189:~# ./a.out
Debug: malloc space for the actual data: temp_buf = 0x13118
Debug: in my_recvn()
Debug: nleft = 52
Bus error
打開(kāi)調(diào)試器進(jìn)行調(diào)試：
root@211.69.193.189:~# gdb a.out
GNU gdb 6.3 (MontaVista 6.3-20.0.22.0501131 2005-07-22)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "armv5tl-montavista-linuxeabi"...Using host libthread_db library "/lib/tls/libthread_db.so.1".
(gdb) run // 運(yùn)行程序
Starting program: /home/zpf/a.out
Debug: in get_program_info()
Debug: in conn_server(char *err_buf_ptr)
Debug: gonna create a socket
Debug: gonna fill in the serv_addr structure
Debug: gonna connect to a server
Debug: gonna send LIN_RST
Debug: in my_sendn()
Debug: send 4 bytes to server:
Debug: gonna receive LIN_RSP
Debug: in my_recvn()
Debug: nleft = 3
Debug: received first 3 bytes from server: 7
Debug: gonna check if 3rd byte is the package type
Debug: received package length = 55
Debug: malloc space for the actual data: temp_buf = 0x13118
Debug: in my_recvn()
Debug: nleft = 52
Program received signal SIGBUS, Bus error. // 在這里出現(xiàn)了錯(cuò)誤
0x09624 in alloc_prog_mem (detail_buf=0x13118 "