2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
12 #include <sys/ptrace.h>
13 #include <linux/ptrace.h>
15 #include "user_util.h"
16 #include "kern_util.h"
18 #include "ptrace_user.h"
21 void do_exec(int old_pid, int new_pid)
23 unsigned long regs[FRAME_SIZE];
26 if((ptrace(PTRACE_ATTACH, new_pid, 0, 0) < 0) ||
27 (ptrace(PTRACE_CONT, new_pid, 0, 0) < 0))
28 tracer_panic("do_exec failed to attach proc - errno = %d",
31 CATCH_EINTR(err = waitpid(new_pid, 0, WUNTRACED));
33 tracer_panic("do_exec failed to attach proc in waitpid - errno = %d",
36 if(ptrace_getregs(old_pid, regs) < 0)
37 tracer_panic("do_exec failed to get registers - errno = %d",
40 os_kill_ptraced_process(old_pid, 0);
42 if (ptrace(PTRACE_OLDSETOPTIONS, new_pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0)
43 tracer_panic("do_exec: PTRACE_SETOPTIONS failed, errno = %d", errno);
45 if(ptrace_setregs(new_pid, regs) < 0)
46 tracer_panic("do_exec failed to start new proc - errno = %d",
51 * Overrides for Emacs so that we follow Linus's tabbing style.
52 * Emacs will notice this stuff at the end of the file and automatically
53 * adjust the settings for this buffer only. This must remain at the end
55 * ---------------------------------------------------------------------------
57 * c-file-style: "linux"