#ifndef _LINUX_ELFCORE_H
  #define _LINUX_ELFCORE_H
  
  #include <linux/types.h>
  #include <linux/signal.h>
  #include <linux/time.h>

  #ifdef __KERNEL__

  #include <linux/user.h>

  #endif

  #include <linux/ptrace.h>

  #include <linux/elf.h>
  #include <linux/fs.h>

  
  struct elf_siginfo
  {
  	int	si_signo;			/* signal number */
  	int	si_code;			/* extra code */
  	int	si_errno;			/* errno */
  };

  #ifdef __KERNEL__

  #include <asm/elf.h>

  #endif

  
  #ifndef __KERNEL__
  typedef elf_greg_t greg_t;
  typedef elf_gregset_t gregset_t;
  typedef elf_fpregset_t fpregset_t;
  typedef elf_fpxregset_t fpxregset_t;
  #define NGREG ELF_NGREG
  #endif
  
  /*
   * Definitions to generate Intel SVR4-like core files.
   * These mostly have the same names as the SVR4 types with "elf_"
   * tacked on the front to prevent clashes with linux definitions,
   * and the typedef forms have been avoided.  This is mostly like
   * the SVR4 structure, but more Linuxy, with things that Linux does
   * not support and which gdb doesn't really use excluded.
   * Fields present but not used are marked with "XXX".
   */
  struct elf_prstatus
  {
  #if 0
  	long	pr_flags;	/* XXX Process flags */
  	short	pr_why;		/* XXX Reason for process halt */
  	short	pr_what;	/* XXX More detailed reason */
  #endif
  	struct elf_siginfo pr_info;	/* Info associated with signal */
  	short	pr_cursig;		/* Current signal */
  	unsigned long pr_sigpend;	/* Set of pending signals */
  	unsigned long pr_sighold;	/* Set of held signals */
  #if 0
  	struct sigaltstack pr_altstack;	/* Alternate stack info */
  	struct sigaction pr_action;	/* Signal action for current sig */
  #endif
  	pid_t	pr_pid;
  	pid_t	pr_ppid;
  	pid_t	pr_pgrp;
  	pid_t	pr_sid;
  	struct timeval pr_utime;	/* User time */
  	struct timeval pr_stime;	/* System time */
  	struct timeval pr_cutime;	/* Cumulative user time */
  	struct timeval pr_cstime;	/* Cumulative system time */
  #if 0
  	long	pr_instr;		/* Current instruction */
  #endif
  	elf_gregset_t pr_reg;	/* GP registers */

  #ifdef CONFIG_BINFMT_ELF_FDPIC
  	/* When using FDPIC, the loadmap addresses need to be communicated
  	 * to GDB in order for GDB to do the necessary relocations.  The
  	 * fields (below) used to communicate this information are placed
  	 * immediately after ``pr_reg'', so that the loadmap addresses may
  	 * be viewed as part of the register set if so desired.
  	 */
  	unsigned long pr_exec_fdpic_loadmap;
  	unsigned long pr_interp_fdpic_loadmap;
  #endif

  	int pr_fpvalid;		/* True if math co-processor being used.  */
  };
  
  #define ELF_PRARGSZ	(80)	/* Number of chars for args */
  
  struct elf_prpsinfo
  {
  	char	pr_state;	/* numeric process state */
  	char	pr_sname;	/* char for pr_state */
  	char	pr_zomb;	/* zombie */
  	char	pr_nice;	/* nice val */
  	unsigned long pr_flag;	/* flags */
  	__kernel_uid_t	pr_uid;
  	__kernel_gid_t	pr_gid;
  	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
  	/* Lots missing */
  	char	pr_fname[16];	/* filename of executable */
  	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
  };
  
  #ifndef __KERNEL__
  typedef struct elf_prstatus prstatus_t;
  typedef struct elf_prpsinfo prpsinfo_t;
  #define PRARGSZ ELF_PRARGSZ 
  #endif
  
  #ifdef __KERNEL__
  static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
  {
  #ifdef ELF_CORE_COPY_REGS
  	ELF_CORE_COPY_REGS((*elfregs), regs)
  #else
  	BUG_ON(sizeof(*elfregs) != sizeof(*regs));
  	*(struct pt_regs *)elfregs = *regs;
  #endif
  }

  static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
  {
  #ifdef ELF_CORE_COPY_KERNEL_REGS
  	ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs);
  #else
  	elf_core_copy_regs(elfregs, regs);
  #endif
  }

  static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
  {

  #if defined (ELF_CORE_COPY_TASK_REGS)

  	return ELF_CORE_COPY_TASK_REGS(t, elfregs);

  #elif defined (task_pt_regs)

  	elf_core_copy_regs(elfregs, task_pt_regs(t));

  #endif
  	return 0;
  }
  
  extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
  
  static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu)
  {
  #ifdef ELF_CORE_COPY_FPREGS
  	return ELF_CORE_COPY_FPREGS(t, fpu);
  #else
  	return dump_fpu(regs, fpu);
  #endif
  }
  
  #ifdef ELF_CORE_COPY_XFPREGS
  static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
  {
  	return ELF_CORE_COPY_XFPREGS(t, xfpu);
  }
  #endif

  /*
   * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
   * extra segments containing the gate DSO contents.  Dumping its
   * contents makes post-mortem fully interpretable later without matching up
   * the same kernel and hardware config to see what PC values meant.
   * Dumping its extra ELF program headers includes all the other information
   * a debugger needs to easily find how the gate DSO was being used.
   */
  extern Elf_Half elf_core_extra_phdrs(void);
  extern int
  elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
  			   unsigned long limit);
  extern int
  elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit);

  extern size_t elf_core_extra_data_size(void);

  #endif /* __KERNEL__ */

  #endif /* _LINUX_ELFCORE_H */