0 Reference
http://blog.chinaunix.net/uid-24098129-id-312659.html
http://blog.csdn.net/chenjin_zhong/article/details/6129628
http://blog.sina.com.cn/s/blog_566f698201017dty.html
1 Edit
sudo vim ./usr/include/i386-linux-gnu/sys/ucontext.h
remove #ifdef __USE_GNU in line 40
remove #endif in line 83
2 Test program
#include <time.h> #include <stdlib.h> #include <stdio.h> #include <sys/time.h> #include <signal.h> #include <string.h> #include <ucontext.h> void my_sigsegv(int signo, siginfo_t *info, void *data) { printf("Produce sigsegv %d\n",signo); ucontext_t *u = (ucontext_t *)data; int type = (int )u->uc_mcontext.gregs[REG_ERR] & 2; if(type == 0) { printf("addr:%p read fault\n",info->si_addr); }else if(type == 2) { printf("addr:%p write fault\n",info->si_addr); } fflush(stdout); exit(-1); return ; } int main() { struct sigaction act; act.sa_handler = NULL; act.sa_sigaction = my_sigsegv; sigemptyset(&act.sa_mask); act.sa_flags = SA_SIGINFO; sigaction(SIGSEGV , &act , NULL); char *pstr = 0x200000; char tmp = *pstr; strcpy(pstr , "hello"); }