Tag: 堆栈展开

如何在SIGSEGV上使用_Unwind_Backtrace获取fullstacktrace

我通过代码处理SIGSEGV： int C() { int *i = NULL; *i = 10; // Crash there } int B() { return C(); } int A() { return B(); } int main(void) { struct sigaction handler; memset(&handler,0,sizeof(handler)); handler.sa_sigaction = handler_func; handler.sa_flags = SA_SIGINFO; sigaction(SIGSEGV,&handler,NULL); return(C()); } 处理程序代码是： static int handler_func(int signal, siginfo_t info, void* rserved) { const void* […]