text: #ifndef _LINUX_BINFMTS_H
  #define _LINUX_BINFMTS_H
  
  #include <linux/ptrace.h>
  #include <linux/capability.h>
  
  /*
   * MAX_ARG_PAGES defines the number of pages allocated for arguments
   * and envelope for the new program. 32 should suffice, this gives
   * a maximum env+arg of 128kB w/4KB pages!
   */
  #define MAX_ARG_PAGES 32
  
  /* sizeof(linux_binprm->buf) */
  #define BINPRM_BUF_SIZE 128
  
  #ifdef __KERNEL__
  
  /*
   * This structure is used to hold the arguments that are used when loading binaries.
   */
  struct linux_binprm{
  	char buf[BINPRM_BUF_SIZE];
  	struct page *page[MAX_ARG_PAGES];
  	unsigned long p; /* current top of mem */
  	int sh_bang;
  	struct file * file;
  	int e_uid, e_gid;
  	kernel_cap_t cap_inheritable, cap_permitted, cap_effective;
  	int argc, envc;
  	char * filename;	/* Name of binary */
  	unsigned long loader, exec;
  };
  
  /*
   * This structure defines the functions that are used to load the binary formats that
   * linux accepts.
   */
  struct linux_binfmt {
  	struct linux_binfmt * next;
  	struct module *module;
  	int (*load_binary)(struct linux_binprm *, struct  pt_regs * regs);
  	int (*load_shlib)(struct file *);
  	int (*core_dump)(long signr, struct pt_regs * regs, struct file * file);
  	unsigned long min_coredump;	/* minimal dump size */
  };
  
  extern int register_binfmt(struct linux_binfmt *);
  extern int unregister_binfmt(struct linux_binfmt *);
  
  extern int prepare_binprm(struct linux_binprm *);
  extern void remove_arg_zero(struct linux_binprm *);
  extern int search_binary_handler(struct linux_binprm *,struct pt_regs *);
  extern int flush_old_exec(struct linux_binprm * bprm);
  extern int setup_arg_pages(struct linux_binprm * bprm);
  extern int copy_strings(int argc,char ** argv,struct linux_binprm *bprm); 
  extern int copy_strings_kernel(int argc,char ** argv,struct linux_binprm *bprm);
  extern void compute_creds(struct linux_binprm *binprm);
  extern int do_coredump(long signr, struct pt_regs * regs);
  extern void set_binfmt(struct linux_binfmt *new);
  
  
  #if 0
  /* this went away now */
  #define change_ldt(a,b) setup_arg_pages(a,b)
  #endif
  
  #endif /* __KERNEL__ */
  #endif /* _LINUX_BINFMTS_H */
  