scripts/gdb/linux/constants.py.in

   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
  40 import gdb
  41
  42 /* linux/clk-provider.h */
  43 LX_GDBPARSED(CLK_GET_RATE_NOCACHE)
  44
  45 /* linux/fs.h */
  46 LX_VALUE(SB_RDONLY)
  47 LX_VALUE(SB_SYNCHRONOUS)
  48 LX_VALUE(SB_MANDLOCK)
  49 LX_VALUE(SB_DIRSYNC)
  50 LX_VALUE(SB_NOATIME)
  51 LX_VALUE(SB_NODIRATIME)
  52
  53 /* linux/htimer.h */
  54 LX_GDBPARSED(hrtimer_resolution)
  55
  56 /* linux/mount.h */
  57 LX_VALUE(MNT_NOSUID)
  58 LX_VALUE(MNT_NODEV)
  59 LX_VALUE(MNT_NOEXEC)
  60 LX_VALUE(MNT_NOATIME)
  61 LX_VALUE(MNT_NODIRATIME)
  62 LX_VALUE(MNT_RELATIME)
  63
  64 /* linux/threads.h */
  65 LX_VALUE(NR_CPUS)
  66
  67 /* linux/of_fdt.h> */
  68 LX_VALUE(OF_DT_HEADER)
  69
  70 /* Kernel Configs */
  71 LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS)
  72 LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
  73 LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
  74 LX_CONFIG(CONFIG_NR_CPUS)
  75 LX_CONFIG(CONFIG_OF)
  76 LX_CONFIG(CONFIG_TICK_ONESHOT)