15d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#ifndef _KDBPRIVATE_H 25d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define _KDBPRIVATE_H 35d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 45d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* 55d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * Kernel Debugger Architecture Independent Private Headers 65d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * 75d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * This file is subject to the terms and conditions of the GNU General Public 85d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * License. See the file "COPYING" in the main directory of this archive 95d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * for more details. 105d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * 115d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. 125d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * Copyright (c) 2009 Wind River Systems, Inc. All Rights Reserved. 135d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel */ 145d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 155d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#include <linux/kgdb.h> 165d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#include "../debug_core.h" 175d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 185d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Kernel Debugger Command codes. Must not overlap with error codes. */ 195d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_CMD_GO (-1001) 205d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_CMD_CPU (-1002) 215d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_CMD_SS (-1003) 225d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_CMD_KGDB (-1005) 235d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 245d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Internal debug flags */ 255d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_BP 0x0002 /* Breakpoint subsystem debug */ 265d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_BB_SUMM 0x0004 /* Basic block analysis, summary only */ 275d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_AR 0x0008 /* Activation record, generic */ 285d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_ARA 0x0010 /* Activation record, arch specific */ 295d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_BB 0x0020 /* All basic block analysis */ 305d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_STATE 0x0040 /* State flags */ 315d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_MASK 0xffff /* All debug flags */ 325d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_FLAG_SHIFT 16 /* Shift factor for dbflags */ 335d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 345d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG(flag) (kdb_flags & \ 355d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel (KDB_DEBUG_FLAG_##flag << KDB_DEBUG_FLAG_SHIFT)) 365d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_DEBUG_STATE(text, value) if (KDB_DEBUG(STATE)) \ 375d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel kdb_print_state(text, value) 385d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 395d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#if BITS_PER_LONG == 32 405d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 415d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_PLATFORM_ENV "BYTESPERWORD=4" 425d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 435d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_machreg_fmt "0x%lx" 445d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_machreg_fmt0 "0x%08lx" 455d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_bfd_vma_fmt "0x%lx" 465d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_bfd_vma_fmt0 "0x%08lx" 475d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_elfw_addr_fmt "0x%x" 485d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_elfw_addr_fmt0 "0x%08x" 495d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_f_count_fmt "%d" 505d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 515d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#elif BITS_PER_LONG == 64 525d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 535d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_PLATFORM_ENV "BYTESPERWORD=8" 545d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 555d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_machreg_fmt "0x%lx" 565d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_machreg_fmt0 "0x%016lx" 575d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_bfd_vma_fmt "0x%lx" 585d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_bfd_vma_fmt0 "0x%016lx" 595d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_elfw_addr_fmt "0x%x" 605d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_elfw_addr_fmt0 "0x%016x" 615d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_f_count_fmt "%ld" 625d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 635d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#endif 645d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 655d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* 665d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * KDB_MAXBPT describes the total number of breakpoints 675d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * supported by this architecure. 685d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel */ 695d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_MAXBPT 16 705d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 715d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Symbol table format returned by kallsyms. */ 725d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesseltypedef struct __ksymtab { 735d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long value; /* Address of symbol */ 745d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel const char *mod_name; /* Module containing symbol or 755d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * "kernel" */ 765d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long mod_start; 775d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long mod_end; 785d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel const char *sec_name; /* Section containing symbol */ 795d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long sec_start; 805d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long sec_end; 815d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel const char *sym_name; /* Full symbol name, including 825d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * any version */ 835d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long sym_start; 845d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long sym_end; 855d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel } kdb_symtab_t; 865d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kallsyms_symbol_next(char *prefix_name, int flag); 875d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kallsyms_symbol_complete(char *prefix_name, int max_len); 885d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 895d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Exported Symbols for kernel loadable modules to use. */ 905d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_getarea_size(void *, unsigned long, size_t); 915d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_putarea_size(unsigned long, void *, size_t); 925d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 935d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* 945d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * Like get_user and put_user, kdb_getarea and kdb_putarea take variable 955d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * names, not pointers. The underlying *_size functions take pointers. 965d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel */ 975d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_getarea(x, addr) kdb_getarea_size(&(x), addr, sizeof((x))) 985d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_putarea(addr, x) kdb_putarea_size(addr, &(x), sizeof((x))) 995d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1005d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_getphysword(unsigned long *word, 1015d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long addr, size_t size); 1025d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_getword(unsigned long *, unsigned long, size_t); 1035d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_putword(unsigned long, unsigned long, size_t); 1045d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1055d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdbgetularg(const char *, unsigned long *); 10691b152aa85bbcf076e269565394c31964f940371Jason Wesselextern int kdbgetu64arg(const char *, u64 *); 1075d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char *kdbgetenv(const char *); 1085d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdbgetaddrarg(int, const char **, int*, unsigned long *, 1095d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel long *, char **); 1105d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdbgetsymval(const char *, kdb_symtab_t *); 1115d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdbnearsym(unsigned long, kdb_symtab_t *); 1125d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdbnearsym_cleanup(void); 1135d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char *kdb_strdup(const char *str, gfp_t type); 1145d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_symbol_print(unsigned long, const kdb_symtab_t *, unsigned int); 1155d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1165d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Routine for debugging the debugger state. */ 1175d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_print_state(const char *, int); 1185d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1195d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_state; 1205d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_KDB 0x00000001 /* Cpu is inside kdb */ 1215d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_LEAVING 0x00000002 /* Cpu is leaving kdb */ 1225d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_CMD 0x00000004 /* Running a kdb command */ 1235d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_KDB_CONTROL 0x00000008 /* This cpu is under 1245d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * kdb control */ 1255d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_HOLD_CPU 0x00000010 /* Hold this cpu inside kdb */ 1265d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_DOING_SS 0x00000020 /* Doing ss command */ 1275d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_SSBPT 0x00000080 /* Install breakpoint 1285d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * after one ss, independent of 1295d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * DOING_SS */ 1305d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_REENTRY 0x00000100 /* Valid re-entry into kdb */ 1315d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_SUPPRESS 0x00000200 /* Suppress error messages */ 1325d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_PAGER 0x00000400 /* pager is available */ 1335d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_GO_SWITCH 0x00000800 /* go is switching 1345d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * back to initial cpu */ 1355d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_PRINTF_LOCK 0x00001000 /* Holds kdb_printf lock */ 1365d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_WAIT_IPI 0x00002000 /* Waiting for kdb_ipi() NMI */ 1375d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_RECURSE 0x00004000 /* Recursive entry to kdb */ 1385d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_IP_ADJUSTED 0x00008000 /* Restart IP has been 1395d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * adjusted */ 1405d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_GO1 0x00010000 /* go only releases one cpu */ 1415d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_KEYBOARD 0x00020000 /* kdb entered via 1425d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * keyboard on this cpu */ 1435d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_KEXEC 0x00040000 /* kexec issued */ 1445d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_DOING_KGDB 0x00080000 /* kgdb enter now issued */ 1455d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_KGDB_TRANS 0x00200000 /* Transition to kgdb */ 1465d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_ARCH 0xff000000 /* Reserved for arch 1475d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * specific use */ 1485d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1495d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE(flag) (kdb_state & KDB_STATE_##flag) 1505d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_SET(flag) ((void)(kdb_state |= KDB_STATE_##flag)) 1515d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_STATE_CLEAR(flag) ((void)(kdb_state &= ~KDB_STATE_##flag)) 1525d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1535d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_nextline; /* Current number of lines displayed */ 1545d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1555d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesseltypedef struct _kdb_bp { 1565d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long bp_addr; /* Address breakpoint is present at */ 1575d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bp_free:1; /* This entry is available */ 1585d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bp_enabled:1; /* Breakpoint is active in register */ 1595d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bp_type:4; /* Uses hardware register */ 1605d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bp_installed:1; /* Breakpoint is installed */ 1615d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bp_delay:1; /* Do delayed bp handling */ 1625d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bp_delayed:1; /* Delayed breakpoint */ 1635d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned int bph_length; /* HW break length */ 1645d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel} kdb_bp_t; 1655d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1665d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#ifdef CONFIG_KGDB_KDB 1675d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern kdb_bp_t kdb_breakpoints[/* KDB_MAXBPT */]; 1685d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1695d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* The KDB shell command table */ 1705d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesseltypedef struct _kdbtab { 1715d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel char *cmd_name; /* Command name */ 1725d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel kdb_func_t cmd_func; /* Function to execute command */ 1735d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel char *cmd_usage; /* Usage String for this command */ 1745d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel char *cmd_help; /* Help message for this command */ 1755d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel short cmd_flags; /* Parsing flags */ 1765d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel short cmd_minlen; /* Minimum legal # command 1775d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel * chars required */ 1785d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel kdb_repeat_t cmd_repeat; /* Does command auto repeat on enter? */ 1795d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel} kdbtab_t; 1805d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1815d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_bt(int, const char **); /* KDB display back trace */ 1825d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1835d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* KDB breakpoint management functions */ 1845d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_initbptab(void); 1855d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_bp_install(struct pt_regs *); 1865d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_bp_remove(void); 1875d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1885d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesseltypedef enum { 1895d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel KDB_DB_BPT, /* Breakpoint */ 1905d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel KDB_DB_SS, /* Single-step trap */ 1915d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel KDB_DB_SSBPT, /* Single step over breakpoint */ 1925d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel KDB_DB_NOBPT /* Spurious breakpoint */ 1935d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel} kdb_dbtrap_t; 1945d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1955d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_main_loop(kdb_reason_t, kdb_reason_t, 1965d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel int, kdb_dbtrap_t, struct pt_regs *); 1975d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 1985d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Miscellaneous functions and data areas */ 1995d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_grepping_flag; 2005d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char kdb_grep_string[]; 2015d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_grep_leading; 2025d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern int kdb_grep_trailing; 2035d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char *kdb_cmds[]; 2045d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern unsigned long kdb_task_state_string(const char *); 2055d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char kdb_task_state_char (const struct task_struct *); 2065d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern unsigned long kdb_task_state(const struct task_struct *p, 2075d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel unsigned long mask); 2085d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_ps_suppressed(void); 2095d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_ps1(const struct task_struct *p); 2105d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_print_nameval(const char *name, unsigned long val); 2115d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info); 2125d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_meminfo_proc_show(void); 2135d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char *kdb_getstr(char *, size_t, char *); 214f679c4985bb2e7de9d39a5d40b6031361c4ad861Jason Wesselextern void kdb_gdb_state_pass(char *buf); 2155d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2165d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Defines for kdb_symbol_print */ 2175d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_SPACEB 0x0001 /* Space before string */ 2185d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_SPACEA 0x0002 /* Space after string */ 2195d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_PAREN 0x0004 /* Parenthesis around string */ 2205d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_VALUE 0x0008 /* Print the value of the address */ 2215d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_SYMSIZE 0x0010 /* Print the size of the symbol */ 2225d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_NEWLINE 0x0020 /* Newline after string */ 2235d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_SP_DEFAULT (KDB_SP_VALUE|KDB_SP_PAREN) 2245d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2255d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_TSK(cpu) kgdb_info[cpu].task 2265d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_TSKREGS(cpu) kgdb_info[cpu].debuggerinfo 2275d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2285d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern struct task_struct *kdb_curr_task(int); 2295d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2305d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_task_has_cpu(p) (task_curr(p)) 2315d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2325d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel/* Simplify coexistence with NPTL */ 2335d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_do_each_thread(g, p) do_each_thread(g, p) 2345d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define kdb_while_each_thread(g, p) while_each_thread(g, p) 2355d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2365d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define GFP_KDB (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL) 2375d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2385d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void *debug_kmalloc(size_t size, gfp_t flags); 2395d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void debug_kfree(void *); 2405d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void debug_kusage(void); 2415d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2425d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern void kdb_set_current_task(struct task_struct *); 2435d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern struct task_struct *kdb_current_task; 2448f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentin 2458f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentin#ifdef CONFIG_KDB_KEYBOARD 2468f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentinextern void kdb_kbd_cleanup_state(void); 2478f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentin#else /* ! CONFIG_KDB_KEYBOARD */ 2488f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentin#define kdb_kbd_cleanup_state() 2498f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentin#endif /* ! CONFIG_KDB_KEYBOARD */ 2508f30d411767351656ea62c9e7612120f9b870b59Andrei Warkentin 2515d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#ifdef CONFIG_MODULES 2525d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern struct list_head *kdb_modules; 2535d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#endif /* CONFIG_MODULES */ 2545d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2555d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wesselextern char kdb_prompt_str[]; 2565d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2575d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#define KDB_WORD_SIZE ((int)sizeof(unsigned long)) 2585d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel 2595d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#endif /* CONFIG_KGDB_KDB */ 2605d5314d6795f3c1c0f415348ff8c51f7de042b77Jason Wessel#endif /* !_KDBPRIVATE_H */ 261