/*  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ #include <stdio.h>#include <unistd.h>#include <stdlib.h>#include <sched.h>#include <errno.h>#include <sys/wait.h>#include <signal.h>#include "user_util.h"#include "kern_util.h"#include "user.h"#include "ptrace_user.h"#include "os.h" void do_exec(int old_pid, int new_pid){	unsigned long regs[FRAME_SIZE];	int err; 	if((ptrace(PTRACE_ATTACH, new_pid, 0, 0) < 0) ||	   (ptrace(PTRACE_CONT, new_pid, 0, 0) < 0))		tracer_panic("do_exec failed to attach proc - errno = %d",			     errno); 	CATCH_EINTR(err = waitpid(new_pid, 0, WUNTRACED));	if (err < 0)		tracer_panic("do_exec failed to attach proc in waitpid - errno = %d",			     errno); 	if(ptrace_getregs(old_pid, regs) < 0)		tracer_panic("do_exec failed to get registers - errno = %d",			     errno); 	os_kill_ptraced_process(old_pid, 0); 	if (ptrace(PTRACE_OLDSETOPTIONS, new_pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0)		tracer_panic("do_exec: PTRACE_SETOPTIONS failed, errno = %d", errno); 	if(ptrace_setregs(new_pid, regs) < 0)		tracer_panic("do_exec failed to start new proc - errno = %d",			     errno);} /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only.  This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-file-style: "linux" * End: */