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/irq.h> 19#include <linux/mount.h> 20#include <linux/of_fdt.h> 21#include <linux/radix-tree.h> 22#include <linux/threads.h> 23 24/* We need to stringify expanded macros so that they can be parsed */ 25 26#define STRING(x) #x 27#define XSTRING(x) STRING(x) 28 29#define LX_VALUE(x) LX_##x = x 30#define LX_GDBPARSED(x) LX_##x = gdb.parse_and_eval(XSTRING(x)) 31 32/* 33 * IS_ENABLED generates (a || b) which is not compatible with python 34 * We can only switch on configuration items we know are available 35 * Therefore - IS_BUILTIN() is more appropriate 36 */ 37#define LX_CONFIG(x) LX_##x = IS_BUILTIN(x) 38 39/* The build system will take care of deleting everything above this marker */ 40<!-- end-c-headers --> 41 42import gdb 43 44LX_CONFIG(CONFIG_DEBUG_INFO_REDUCED) 45 46/* linux/clk-provider.h */ 47if IS_BUILTIN(CONFIG_COMMON_CLK): 48 LX_GDBPARSED(CLK_GET_RATE_NOCACHE) 49 50/* linux/fs.h */ 51LX_VALUE(SB_RDONLY) 52LX_VALUE(SB_SYNCHRONOUS) 53LX_VALUE(SB_MANDLOCK) 54LX_VALUE(SB_DIRSYNC) 55LX_VALUE(SB_NOATIME) 56LX_VALUE(SB_NODIRATIME) 57 58/* linux/htimer.h */ 59LX_GDBPARSED(hrtimer_resolution) 60 61/* linux/irq.h */ 62LX_GDBPARSED(IRQD_LEVEL) 63LX_GDBPARSED(IRQ_HIDDEN) 64 65/* linux/module.h */ 66LX_GDBPARSED(MOD_TEXT) 67 68/* linux/mount.h */ 69LX_VALUE(MNT_NOSUID) 70LX_VALUE(MNT_NODEV) 71LX_VALUE(MNT_NOEXEC) 72LX_VALUE(MNT_NOATIME) 73LX_VALUE(MNT_NODIRATIME) 74LX_VALUE(MNT_RELATIME) 75 76/* linux/threads.h */ 77LX_VALUE(NR_CPUS) 78 79/* linux/of_fdt.h> */ 80LX_VALUE(OF_DT_HEADER) 81 82/* linux/radix-tree.h */ 83LX_GDBPARSED(RADIX_TREE_ENTRY_MASK) 84LX_GDBPARSED(RADIX_TREE_INTERNAL_NODE) 85LX_GDBPARSED(RADIX_TREE_MAP_SIZE) 86LX_GDBPARSED(RADIX_TREE_MAP_SHIFT) 87LX_GDBPARSED(RADIX_TREE_MAP_MASK) 88 89/* Kernel Configs */ 90LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS) 91LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) 92LX_CONFIG(CONFIG_HIGH_RES_TIMERS) 93LX_CONFIG(CONFIG_NR_CPUS) 94LX_CONFIG(CONFIG_OF) 95LX_CONFIG(CONFIG_TICK_ONESHOT) 96LX_CONFIG(CONFIG_GENERIC_IRQ_SHOW_LEVEL) 97LX_CONFIG(CONFIG_X86_LOCAL_APIC) 98LX_CONFIG(CONFIG_SMP) 99LX_CONFIG(CONFIG_X86_THERMAL_VECTOR) 100LX_CONFIG(CONFIG_X86_MCE_THRESHOLD) 101LX_CONFIG(CONFIG_X86_MCE_AMD) 102LX_CONFIG(CONFIG_X86_MCE) 103LX_CONFIG(CONFIG_X86_IO_APIC) 104LX_CONFIG(CONFIG_HAVE_KVM) 105