2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
13 #include "kern_util.h"
15 #include "ptrace_user.h"
18 void do_exec(int old_pid, int new_pid)
20 unsigned long regs[FRAME_SIZE];
23 if((ptrace(PTRACE_ATTACH, new_pid, 0, 0) < 0) ||
24 (ptrace(PTRACE_CONT, new_pid, 0, 0) < 0))
25 tracer_panic("do_exec failed to attach proc - errno = %d",
28 CATCH_EINTR(err = waitpid(new_pid, 0, WUNTRACED));
30 tracer_panic("do_exec failed to attach proc in waitpid - errno = %d",
33 if(ptrace_getregs(old_pid, regs) < 0)
34 tracer_panic("do_exec failed to get registers - errno = %d",
37 os_kill_ptraced_process(old_pid, 0);
39 if (ptrace(PTRACE_OLDSETOPTIONS, new_pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0)
40 tracer_panic("do_exec: PTRACE_SETOPTIONS failed, errno = %d", errno);
42 if(ptrace_setregs(new_pid, regs) < 0)
43 tracer_panic("do_exec failed to start new proc - errno = %d",
48 * Overrides for Emacs so that we follow Linus's tabbing style.
49 * Emacs will notice this stuff at the end of the file and automatically
50 * adjust the settings for this buffer only. This must remain at the end
52 * ---------------------------------------------------------------------------
54 * c-file-style: "linux"