[NET]: Add some sparse annotations to network driver stack.
[linux-2.6/history.git] / include / linux / binfmts.h
blob60726b29603c508cc8320f15d4fc5f6c047f92e4
1 #ifndef _LINUX_BINFMTS_H
2 #define _LINUX_BINFMTS_H
4 #include <linux/capability.h>
6 struct pt_regs;
8 /*
9 * MAX_ARG_PAGES defines the number of pages allocated for arguments
10 * and envelope for the new program. 32 should suffice, this gives
11 * a maximum env+arg of 128kB w/4KB pages!
13 #define MAX_ARG_PAGES 32
15 /* sizeof(linux_binprm->buf) */
16 #define BINPRM_BUF_SIZE 128
18 #ifdef __KERNEL__
21 * This structure is used to hold the arguments that are used when loading binaries.
23 struct linux_binprm{
24 char buf[BINPRM_BUF_SIZE];
25 struct page *page[MAX_ARG_PAGES];
26 struct mm_struct *mm;
27 unsigned long p; /* current top of mem */
28 int sh_bang;
29 struct file * file;
30 int e_uid, e_gid;
31 kernel_cap_t cap_inheritable, cap_permitted, cap_effective;
32 void *security;
33 int argc, envc;
34 char * filename; /* Name of binary as seen by procps */
35 char * interp; /* Name of the binary really executed. Most
36 of the time same as filename, but could be
37 different for binfmt_{misc,script} */
38 unsigned long loader, exec;
42 * This structure defines the functions that are used to load the binary formats that
43 * linux accepts.
45 struct linux_binfmt {
46 struct linux_binfmt * next;
47 struct module *module;
48 int (*load_binary)(struct linux_binprm *, struct pt_regs * regs);
49 int (*load_shlib)(struct file *);
50 int (*core_dump)(long signr, struct pt_regs * regs, struct file * file);
51 unsigned long min_coredump; /* minimal dump size */
54 extern int register_binfmt(struct linux_binfmt *);
55 extern int unregister_binfmt(struct linux_binfmt *);
57 extern int prepare_binprm(struct linux_binprm *);
58 extern void remove_arg_zero(struct linux_binprm *);
59 extern int search_binary_handler(struct linux_binprm *,struct pt_regs *);
60 extern int flush_old_exec(struct linux_binprm * bprm);
62 /* Stack area protections */
63 #define EXSTACK_DEFAULT 0 /* Whatever the arch defaults to */
64 #define EXSTACK_DISABLE_X 1 /* Disable executable stacks */
65 #define EXSTACK_ENABLE_X 2 /* Enable executable stacks */
67 extern int setup_arg_pages(struct linux_binprm * bprm, int executable_stack);
68 extern int copy_strings(int argc,char __user * __user * argv,struct linux_binprm *bprm);
69 extern int copy_strings_kernel(int argc,char ** argv,struct linux_binprm *bprm);
70 extern void compute_creds(struct linux_binprm *binprm);
71 extern int do_coredump(long signr, int exit_code, struct pt_regs * regs);
72 extern int set_binfmt(struct linux_binfmt *new);
74 #endif /* __KERNEL__ */
75 #endif /* _LINUX_BINFMTS_H */