nm-linux.h

这个是LINUX下的GDB调度工具的源码

/* Native support for GNU/Linux.

   Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

struct target_ops;

/* GNU/Linux is SVR4-ish but its /proc file system isn't.  */
#undef USE_PROC_FS

/* Since we're building a native debugger, we can include <signal.h>
   to find the range of real-time signals.  */

#include <signal.h>

#ifdef __SIGRTMIN
#define REALTIME_LO	__SIGRTMIN
#define REALTIME_HI	(__SIGRTMAX + 1)
#endif

/* We define this if link.h is available, because with ELF we use SVR4
   style shared libraries.  */

#ifdef HAVE_LINK_H
#include "solib.h"             /* Support for shared libraries.  */
#endif


/* Override child_wait in `inftarg.c'.  */
struct target_waitstatus;
extern ptid_t child_wait (ptid_t ptid, struct target_waitstatus *ourstatus);
#define CHILD_WAIT

extern void lin_lwp_attach_lwp (ptid_t ptid, int verbose);
#define ATTACH_LWP(ptid, verbose) lin_lwp_attach_lwp ((ptid), (verbose))

extern void lin_thread_get_thread_signals (sigset_t *mask);
#define GET_THREAD_SIGNALS(mask) lin_thread_get_thread_signals (mask)

/* Use elf_gregset_t and elf_fpregset_t, rather than
   gregset_t and fpregset_t.  */

#define GDB_GREGSET_T  elf_gregset_t
#define GDB_FPREGSET_T elf_fpregset_t

/* Override child_pid_to_exec_file in 'inftarg.c'.  */
#define CHILD_PID_TO_EXEC_FILE

#define CHILD_INSERT_FORK_CATCHPOINT
#define CHILD_INSERT_VFORK_CATCHPOINT
#define CHILD_INSERT_EXEC_CATCHPOINT
#define CHILD_POST_STARTUP_INFERIOR
#define CHILD_POST_ATTACH
#define CHILD_FOLLOW_FORK
#define DEPRECATED_KILL_INFERIOR

#define NATIVE_XFER_AUXV	procfs_xfer_auxv
#include "auxv.h"		/* Declares it. */