constants.py.in

/*
 * gdb helper commands and functions for Linux kernel debugging
 *
 *  Kernel constants derived from include files.
 *
 * Copyright (c) 2016 Linaro Ltd
 *
 * Authors:
 *  Kieran Bingham <kieran.bingham@linaro.org>
 *
 * This work is licensed under the terms of the GNU GPL version 2.
 *
 */

#include <linux/clk-provider.h>
#include <linux/fs.h>
#include <linux/hrtimer.h>
#include <linux/mount.h>
#include <linux/of_fdt.h>
#include <linux/threads.h>

/* We need to stringify expanded macros so that they can be parsed */

#define STRING(x) #x
#define XSTRING(x) STRING(x)

#define LX_VALUE(x) LX_##x = x
#define LX_GDBPARSED(x) LX_##x = gdb.parse_and_eval(XSTRING(x))

/*
 * IS_ENABLED generates (a || b) which is not compatible with python
 * We can only switch on configuration items we know are available
 * Therefore - IS_BUILTIN() is more appropriate
 */
#define LX_CONFIG(x) LX_##x = IS_BUILTIN(x)

/* The build system will take care of deleting everything above this marker */
<!-- end-c-headers -->

import gdb

/* linux/clk-provider.h */
if IS_BUILTIN(CONFIG_COMMON_CLK):
    LX_GDBPARSED(CLK_GET_RATE_NOCACHE)

/* linux/fs.h */
LX_VALUE(SB_RDONLY)
LX_VALUE(SB_SYNCHRONOUS)
LX_VALUE(SB_MANDLOCK)
LX_VALUE(SB_DIRSYNC)
LX_VALUE(SB_NOATIME)
LX_VALUE(SB_NODIRATIME)

/* linux/htimer.h */
LX_GDBPARSED(hrtimer_resolution)

/* linux/mount.h */
LX_VALUE(MNT_NOSUID)
LX_VALUE(MNT_NODEV)
LX_VALUE(MNT_NOEXEC)
LX_VALUE(MNT_NOATIME)
LX_VALUE(MNT_NODIRATIME)
LX_VALUE(MNT_RELATIME)

/* linux/threads.h */
LX_VALUE(NR_CPUS)

/* linux/of_fdt.h> */
LX_VALUE(OF_DT_HEADER)

/* Kernel Configs */
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS)
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
LX_CONFIG(CONFIG_NR_CPUS)
LX_CONFIG(CONFIG_OF)
LX_CONFIG(CONFIG_TICK_ONESHOT)