1/*
2 * gdb helper commands and functions for Linux kernel debugging
3 *
4 *  Kernel constants derived from include files.
5 *
6 * Copyright (c) 2016 Linaro Ltd
7 *
8 * Authors:
9 *  Kieran Bingham <kieran.bingham@linaro.org>
10 *
11 * This work is licensed under the terms of the GNU GPL version 2.
12 *
13 */
14
15#include <linux/clk-provider.h>
16#include <linux/fs.h>
17#include <linux/hrtimer.h>
18#include <linux/mount.h>
19#include <linux/of_fdt.h>
20#include <linux/threads.h>
21
22/* We need to stringify expanded macros so that they can be parsed */
23
24#define STRING(x) #x
25#define XSTRING(x) STRING(x)
26
27#define LX_VALUE(x) LX_##x = x
28#define LX_GDBPARSED(x) LX_##x = gdb.parse_and_eval(XSTRING(x))
29
30/*
31 * IS_ENABLED generates (a || b) which is not compatible with python
32 * We can only switch on configuration items we know are available
33 * Therefore - IS_BUILTIN() is more appropriate
34 */
35#define LX_CONFIG(x) LX_##x = IS_BUILTIN(x)
36
37/* The build system will take care of deleting everything above this marker */
38<!-- end-c-headers -->
39
40import gdb
41
42/* linux/clk-provider.h */
43if IS_BUILTIN(CONFIG_COMMON_CLK):
44    LX_GDBPARSED(CLK_GET_RATE_NOCACHE)
45
46/* linux/fs.h */
47LX_VALUE(SB_RDONLY)
48LX_VALUE(SB_SYNCHRONOUS)
49LX_VALUE(SB_MANDLOCK)
50LX_VALUE(SB_DIRSYNC)
51LX_VALUE(SB_NOATIME)
52LX_VALUE(SB_NODIRATIME)
53
54/* linux/htimer.h */
55LX_GDBPARSED(hrtimer_resolution)
56
57/* linux/mount.h */
58LX_VALUE(MNT_NOSUID)
59LX_VALUE(MNT_NODEV)
60LX_VALUE(MNT_NOEXEC)
61LX_VALUE(MNT_NOATIME)
62LX_VALUE(MNT_NODIRATIME)
63LX_VALUE(MNT_RELATIME)
64
65/* linux/threads.h */
66LX_VALUE(NR_CPUS)
67
68/* linux/of_fdt.h> */
69LX_VALUE(OF_DT_HEADER)
70
71/* Kernel Configs */
72LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS)
73LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
74LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
75LX_CONFIG(CONFIG_NR_CPUS)
76LX_CONFIG(CONFIG_OF)
77LX_CONFIG(CONFIG_TICK_ONESHOT)
78