| #ifndef _LINUX_BINFMTS_H |
| #define _LINUX_BINFMTS_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]; |
| struct mm_struct *mm; |
| 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; |
| void *security; |
| 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, int exit_code, struct pt_regs * regs); |
| extern int set_binfmt(struct linux_binfmt *new); |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _LINUX_BINFMTS_H */ |