binfmts.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:2k
- #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 */