Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * a.out loader for x86-64 | |
3 | * | |
4 | * Copyright (C) 1991, 1992, 1996 Linus Torvalds | |
5 | * Hacked together by Andi Kleen | |
6 | */ | |
7 | ||
8 | #include <linux/module.h> | |
9 | ||
10 | #include <linux/time.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/mm.h> | |
13 | #include <linux/mman.h> | |
14 | #include <linux/a.out.h> | |
15 | #include <linux/errno.h> | |
16 | #include <linux/signal.h> | |
17 | #include <linux/string.h> | |
18 | #include <linux/fs.h> | |
19 | #include <linux/file.h> | |
20 | #include <linux/stat.h> | |
21 | #include <linux/fcntl.h> | |
22 | #include <linux/ptrace.h> | |
23 | #include <linux/user.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/binfmts.h> | |
26 | #include <linux/personality.h> | |
27 | #include <linux/init.h> | |
28 | ||
29 | #include <asm/system.h> | |
30 | #include <asm/uaccess.h> | |
31 | #include <asm/pgalloc.h> | |
32 | #include <asm/cacheflush.h> | |
33 | #include <asm/user32.h> | |
34 | #include <asm/ia32.h> | |
35 | ||
36 | #undef WARN_OLD | |
37 | #undef CORE_DUMP /* probably broken */ | |
38 | ||
39 | extern int ia32_setup_arg_pages(struct linux_binprm *bprm, | |
40 | unsigned long stack_top, int exec_stack); | |
41 | ||
42 | static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs); | |
43 | static int load_aout_library(struct file*); | |
44 | ||
45 | #if CORE_DUMP | |
46 | static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file); | |
47 | ||
48 | /* | |
49 | * fill in the user structure for a core dump.. | |
50 | */ | |
51 | static void dump_thread32(struct pt_regs * regs, struct user32 * dump) | |
52 | { | |
53 | u32 fs,gs; | |
54 | ||
55 | /* changed the size calculations - should hopefully work better. lbt */ | |
56 | dump->magic = CMAGIC; | |
57 | dump->start_code = 0; | |
58 | dump->start_stack = regs->rsp & ~(PAGE_SIZE - 1); | |
59 | dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; | |
60 | dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT; | |
61 | dump->u_dsize -= dump->u_tsize; | |
62 | dump->u_ssize = 0; | |
63 | dump->u_debugreg[0] = current->thread.debugreg0; | |
64 | dump->u_debugreg[1] = current->thread.debugreg1; | |
65 | dump->u_debugreg[2] = current->thread.debugreg2; | |
66 | dump->u_debugreg[3] = current->thread.debugreg3; | |
67 | dump->u_debugreg[4] = 0; | |
68 | dump->u_debugreg[5] = 0; | |
69 | dump->u_debugreg[6] = current->thread.debugreg6; | |
70 | dump->u_debugreg[7] = current->thread.debugreg7; | |
71 | ||
72 | if (dump->start_stack < 0xc0000000) | |
73 | dump->u_ssize = ((unsigned long) (0xc0000000 - dump->start_stack)) >> PAGE_SHIFT; | |
74 | ||
75 | dump->regs.ebx = regs->rbx; | |
76 | dump->regs.ecx = regs->rcx; | |
77 | dump->regs.edx = regs->rdx; | |
78 | dump->regs.esi = regs->rsi; | |
79 | dump->regs.edi = regs->rdi; | |
80 | dump->regs.ebp = regs->rbp; | |
81 | dump->regs.eax = regs->rax; | |
82 | dump->regs.ds = current->thread.ds; | |
83 | dump->regs.es = current->thread.es; | |
84 | asm("movl %%fs,%0" : "=r" (fs)); dump->regs.fs = fs; | |
85 | asm("movl %%gs,%0" : "=r" (gs)); dump->regs.gs = gs; | |
86 | dump->regs.orig_eax = regs->orig_rax; | |
87 | dump->regs.eip = regs->rip; | |
88 | dump->regs.cs = regs->cs; | |
89 | dump->regs.eflags = regs->eflags; | |
90 | dump->regs.esp = regs->rsp; | |
91 | dump->regs.ss = regs->ss; | |
92 | ||
93 | #if 1 /* FIXME */ | |
94 | dump->u_fpvalid = 0; | |
95 | #else | |
96 | dump->u_fpvalid = dump_fpu (regs, &dump->i387); | |
97 | #endif | |
98 | } | |
99 | ||
100 | #endif | |
101 | ||
102 | static struct linux_binfmt aout_format = { | |
103 | .module = THIS_MODULE, | |
104 | .load_binary = load_aout_binary, | |
105 | .load_shlib = load_aout_library, | |
106 | #if CORE_DUMP | |
107 | .core_dump = aout_core_dump, | |
108 | #endif | |
109 | .min_coredump = PAGE_SIZE | |
110 | }; | |
111 | ||
112 | static void set_brk(unsigned long start, unsigned long end) | |
113 | { | |
114 | start = PAGE_ALIGN(start); | |
115 | end = PAGE_ALIGN(end); | |
116 | if (end <= start) | |
117 | return; | |
118 | down_write(¤t->mm->mmap_sem); | |
119 | do_brk(start, end - start); | |
120 | up_write(¤t->mm->mmap_sem); | |
121 | } | |
122 | ||
123 | #if CORE_DUMP | |
124 | /* | |
125 | * These are the only things you should do on a core-file: use only these | |
126 | * macros to write out all the necessary info. | |
127 | */ | |
128 | ||
129 | static int dump_write(struct file *file, const void *addr, int nr) | |
130 | { | |
131 | return file->f_op->write(file, addr, nr, &file->f_pos) == nr; | |
132 | } | |
133 | ||
134 | #define DUMP_WRITE(addr, nr) \ | |
135 | if (!dump_write(file, (void *)(addr), (nr))) \ | |
136 | goto end_coredump; | |
137 | ||
138 | #define DUMP_SEEK(offset) \ | |
139 | if (file->f_op->llseek) { \ | |
140 | if (file->f_op->llseek(file,(offset),0) != (offset)) \ | |
141 | goto end_coredump; \ | |
142 | } else file->f_pos = (offset) | |
143 | ||
144 | /* | |
145 | * Routine writes a core dump image in the current directory. | |
146 | * Currently only a stub-function. | |
147 | * | |
148 | * Note that setuid/setgid files won't make a core-dump if the uid/gid | |
149 | * changed due to the set[u|g]id. It's enforced by the "current->mm->dumpable" | |
150 | * field, which also makes sure the core-dumps won't be recursive if the | |
151 | * dumping of the process results in another error.. | |
152 | */ | |
153 | ||
154 | static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file) | |
155 | { | |
156 | mm_segment_t fs; | |
157 | int has_dumped = 0; | |
158 | unsigned long dump_start, dump_size; | |
159 | struct user32 dump; | |
160 | # define START_DATA(u) (u.u_tsize << PAGE_SHIFT) | |
161 | # define START_STACK(u) (u.start_stack) | |
162 | ||
163 | fs = get_fs(); | |
164 | set_fs(KERNEL_DS); | |
165 | has_dumped = 1; | |
166 | current->flags |= PF_DUMPCORE; | |
167 | strncpy(dump.u_comm, current->comm, sizeof(current->comm)); | |
168 | dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) - ((unsigned long)(&dump))); | |
169 | dump.signal = signr; | |
170 | dump_thread32(regs, &dump); | |
171 | ||
172 | /* If the size of the dump file exceeds the rlimit, then see what would happen | |
173 | if we wrote the stack, but not the data area. */ | |
174 | if ((dump.u_dsize+dump.u_ssize+1) * PAGE_SIZE > | |
175 | current->signal->rlim[RLIMIT_CORE].rlim_cur) | |
176 | dump.u_dsize = 0; | |
177 | ||
178 | /* Make sure we have enough room to write the stack and data areas. */ | |
179 | if ((dump.u_ssize+1) * PAGE_SIZE > | |
180 | current->signal->rlim[RLIMIT_CORE].rlim_cur) | |
181 | dump.u_ssize = 0; | |
182 | ||
183 | /* make sure we actually have a data and stack area to dump */ | |
184 | set_fs(USER_DS); | |
185 | if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_DATA(dump), dump.u_dsize << PAGE_SHIFT)) | |
186 | dump.u_dsize = 0; | |
187 | if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_STACK(dump), dump.u_ssize << PAGE_SHIFT)) | |
188 | dump.u_ssize = 0; | |
189 | ||
190 | set_fs(KERNEL_DS); | |
191 | /* struct user */ | |
192 | DUMP_WRITE(&dump,sizeof(dump)); | |
193 | /* Now dump all of the user data. Include malloced stuff as well */ | |
194 | DUMP_SEEK(PAGE_SIZE); | |
195 | /* now we start writing out the user space info */ | |
196 | set_fs(USER_DS); | |
197 | /* Dump the data area */ | |
198 | if (dump.u_dsize != 0) { | |
199 | dump_start = START_DATA(dump); | |
200 | dump_size = dump.u_dsize << PAGE_SHIFT; | |
201 | DUMP_WRITE(dump_start,dump_size); | |
202 | } | |
203 | /* Now prepare to dump the stack area */ | |
204 | if (dump.u_ssize != 0) { | |
205 | dump_start = START_STACK(dump); | |
206 | dump_size = dump.u_ssize << PAGE_SHIFT; | |
207 | DUMP_WRITE(dump_start,dump_size); | |
208 | } | |
209 | /* Finally dump the task struct. Not be used by gdb, but could be useful */ | |
210 | set_fs(KERNEL_DS); | |
211 | DUMP_WRITE(current,sizeof(*current)); | |
212 | end_coredump: | |
213 | set_fs(fs); | |
214 | return has_dumped; | |
215 | } | |
216 | #endif | |
217 | ||
218 | /* | |
219 | * create_aout_tables() parses the env- and arg-strings in new user | |
220 | * memory and creates the pointer tables from them, and puts their | |
221 | * addresses on the "stack", returning the new stack pointer value. | |
222 | */ | |
223 | static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) | |
224 | { | |
225 | u32 __user *argv; | |
226 | u32 __user *envp; | |
227 | u32 __user *sp; | |
228 | int argc = bprm->argc; | |
229 | int envc = bprm->envc; | |
230 | ||
231 | sp = (u32 __user *) ((-(unsigned long)sizeof(u32)) & (unsigned long) p); | |
232 | sp -= envc+1; | |
233 | envp = sp; | |
234 | sp -= argc+1; | |
235 | argv = sp; | |
236 | put_user((unsigned long) envp,--sp); | |
237 | put_user((unsigned long) argv,--sp); | |
238 | put_user(argc,--sp); | |
239 | current->mm->arg_start = (unsigned long) p; | |
240 | while (argc-->0) { | |
241 | char c; | |
242 | put_user((u32)(unsigned long)p,argv++); | |
243 | do { | |
244 | get_user(c,p++); | |
245 | } while (c); | |
246 | } | |
247 | put_user(NULL,argv); | |
248 | current->mm->arg_end = current->mm->env_start = (unsigned long) p; | |
249 | while (envc-->0) { | |
250 | char c; | |
251 | put_user((u32)(unsigned long)p,envp++); | |
252 | do { | |
253 | get_user(c,p++); | |
254 | } while (c); | |
255 | } | |
256 | put_user(NULL,envp); | |
257 | current->mm->env_end = (unsigned long) p; | |
258 | return sp; | |
259 | } | |
260 | ||
261 | /* | |
262 | * These are the functions used to load a.out style executables and shared | |
263 | * libraries. There is no binary dependent code anywhere else. | |
264 | */ | |
265 | ||
266 | static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) | |
267 | { | |
268 | struct exec ex; | |
269 | unsigned long error; | |
270 | unsigned long fd_offset; | |
271 | unsigned long rlim; | |
272 | int retval; | |
273 | ||
274 | ex = *((struct exec *) bprm->buf); /* exec-header */ | |
275 | if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC && | |
276 | N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) || | |
277 | N_TRSIZE(ex) || N_DRSIZE(ex) || | |
278 | i_size_read(bprm->file->f_dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { | |
279 | return -ENOEXEC; | |
280 | } | |
281 | ||
282 | fd_offset = N_TXTOFF(ex); | |
283 | ||
284 | /* Check initial limits. This avoids letting people circumvent | |
285 | * size limits imposed on them by creating programs with large | |
286 | * arrays in the data or bss. | |
287 | */ | |
288 | rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur; | |
289 | if (rlim >= RLIM_INFINITY) | |
290 | rlim = ~0; | |
291 | if (ex.a_data + ex.a_bss > rlim) | |
292 | return -ENOMEM; | |
293 | ||
294 | /* Flush all traces of the currently running executable */ | |
295 | retval = flush_old_exec(bprm); | |
296 | if (retval) | |
297 | return retval; | |
298 | ||
299 | regs->cs = __USER32_CS; | |
300 | regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 = | |
301 | regs->r13 = regs->r14 = regs->r15 = 0; | |
302 | ||
303 | /* OK, This is the point of no return */ | |
304 | set_personality(PER_LINUX); | |
305 | set_thread_flag(TIF_IA32); | |
306 | clear_thread_flag(TIF_ABI_PENDING); | |
307 | ||
308 | current->mm->end_code = ex.a_text + | |
309 | (current->mm->start_code = N_TXTADDR(ex)); | |
310 | current->mm->end_data = ex.a_data + | |
311 | (current->mm->start_data = N_DATADDR(ex)); | |
312 | current->mm->brk = ex.a_bss + | |
313 | (current->mm->start_brk = N_BSSADDR(ex)); | |
314 | current->mm->free_area_cache = TASK_UNMAPPED_BASE; | |
1363c3cd | 315 | current->mm->cached_hole_size = 0; |
1da177e4 LT |
316 | |
317 | set_mm_counter(current->mm, rss, 0); | |
318 | current->mm->mmap = NULL; | |
319 | compute_creds(bprm); | |
320 | current->flags &= ~PF_FORKNOEXEC; | |
321 | ||
322 | if (N_MAGIC(ex) == OMAGIC) { | |
323 | unsigned long text_addr, map_size; | |
324 | loff_t pos; | |
325 | ||
326 | text_addr = N_TXTADDR(ex); | |
327 | ||
328 | pos = 32; | |
329 | map_size = ex.a_text+ex.a_data; | |
330 | ||
331 | down_write(¤t->mm->mmap_sem); | |
332 | error = do_brk(text_addr & PAGE_MASK, map_size); | |
333 | up_write(¤t->mm->mmap_sem); | |
334 | ||
335 | if (error != (text_addr & PAGE_MASK)) { | |
336 | send_sig(SIGKILL, current, 0); | |
337 | return error; | |
338 | } | |
339 | ||
340 | error = bprm->file->f_op->read(bprm->file, (char *)text_addr, | |
341 | ex.a_text+ex.a_data, &pos); | |
342 | if ((signed long)error < 0) { | |
343 | send_sig(SIGKILL, current, 0); | |
344 | return error; | |
345 | } | |
346 | ||
347 | flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data); | |
348 | } else { | |
349 | #ifdef WARN_OLD | |
350 | static unsigned long error_time, error_time2; | |
351 | if ((ex.a_text & 0xfff || ex.a_data & 0xfff) && | |
352 | (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ) | |
353 | { | |
354 | printk(KERN_NOTICE "executable not page aligned\n"); | |
355 | error_time2 = jiffies; | |
356 | } | |
357 | ||
358 | if ((fd_offset & ~PAGE_MASK) != 0 && | |
359 | (jiffies-error_time) > 5*HZ) | |
360 | { | |
361 | printk(KERN_WARNING | |
362 | "fd_offset is not page aligned. Please convert program: %s\n", | |
363 | bprm->file->f_dentry->d_name.name); | |
364 | error_time = jiffies; | |
365 | } | |
366 | #endif | |
367 | ||
368 | if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) { | |
369 | loff_t pos = fd_offset; | |
370 | down_write(¤t->mm->mmap_sem); | |
371 | do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data); | |
372 | up_write(¤t->mm->mmap_sem); | |
373 | bprm->file->f_op->read(bprm->file,(char *)N_TXTADDR(ex), | |
374 | ex.a_text+ex.a_data, &pos); | |
375 | flush_icache_range((unsigned long) N_TXTADDR(ex), | |
376 | (unsigned long) N_TXTADDR(ex) + | |
377 | ex.a_text+ex.a_data); | |
378 | goto beyond_if; | |
379 | } | |
380 | ||
381 | down_write(¤t->mm->mmap_sem); | |
382 | error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text, | |
383 | PROT_READ | PROT_EXEC, | |
384 | MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE | MAP_32BIT, | |
385 | fd_offset); | |
386 | up_write(¤t->mm->mmap_sem); | |
387 | ||
388 | if (error != N_TXTADDR(ex)) { | |
389 | send_sig(SIGKILL, current, 0); | |
390 | return error; | |
391 | } | |
392 | ||
393 | down_write(¤t->mm->mmap_sem); | |
394 | error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data, | |
395 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
396 | MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE | MAP_32BIT, | |
397 | fd_offset + ex.a_text); | |
398 | up_write(¤t->mm->mmap_sem); | |
399 | if (error != N_DATADDR(ex)) { | |
400 | send_sig(SIGKILL, current, 0); | |
401 | return error; | |
402 | } | |
403 | } | |
404 | beyond_if: | |
405 | set_binfmt(&aout_format); | |
406 | ||
407 | set_brk(current->mm->start_brk, current->mm->brk); | |
408 | ||
409 | retval = ia32_setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT); | |
410 | if (retval < 0) { | |
411 | /* Someone check-me: is this error path enough? */ | |
412 | send_sig(SIGKILL, current, 0); | |
413 | return retval; | |
414 | } | |
415 | ||
416 | current->mm->start_stack = | |
417 | (unsigned long)create_aout_tables((char __user *)bprm->p, bprm); | |
418 | /* start thread */ | |
419 | asm volatile("movl %0,%%fs" :: "r" (0)); \ | |
420 | asm volatile("movl %0,%%es; movl %0,%%ds": :"r" (__USER32_DS)); | |
421 | load_gs_index(0); | |
422 | (regs)->rip = ex.a_entry; | |
423 | (regs)->rsp = current->mm->start_stack; | |
424 | (regs)->eflags = 0x200; | |
425 | (regs)->cs = __USER32_CS; | |
426 | (regs)->ss = __USER32_DS; | |
427 | set_fs(USER_DS); | |
428 | if (unlikely(current->ptrace & PT_PTRACED)) { | |
429 | if (current->ptrace & PT_TRACE_EXEC) | |
430 | ptrace_notify ((PTRACE_EVENT_EXEC << 8) | SIGTRAP); | |
431 | else | |
432 | send_sig(SIGTRAP, current, 0); | |
433 | } | |
434 | return 0; | |
435 | } | |
436 | ||
437 | static int load_aout_library(struct file *file) | |
438 | { | |
439 | struct inode * inode; | |
440 | unsigned long bss, start_addr, len; | |
441 | unsigned long error; | |
442 | int retval; | |
443 | struct exec ex; | |
444 | ||
445 | inode = file->f_dentry->d_inode; | |
446 | ||
447 | retval = -ENOEXEC; | |
448 | error = kernel_read(file, 0, (char *) &ex, sizeof(ex)); | |
449 | if (error != sizeof(ex)) | |
450 | goto out; | |
451 | ||
452 | /* We come in here for the regular a.out style of shared libraries */ | |
453 | if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) || | |
454 | N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) || | |
455 | i_size_read(inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { | |
456 | goto out; | |
457 | } | |
458 | ||
459 | if (N_FLAGS(ex)) | |
460 | goto out; | |
461 | ||
462 | /* For QMAGIC, the starting address is 0x20 into the page. We mask | |
463 | this off to get the starting address for the page */ | |
464 | ||
465 | start_addr = ex.a_entry & 0xfffff000; | |
466 | ||
467 | if ((N_TXTOFF(ex) & ~PAGE_MASK) != 0) { | |
468 | loff_t pos = N_TXTOFF(ex); | |
469 | ||
470 | #ifdef WARN_OLD | |
471 | static unsigned long error_time; | |
472 | if ((jiffies-error_time) > 5*HZ) | |
473 | { | |
474 | printk(KERN_WARNING | |
475 | "N_TXTOFF is not page aligned. Please convert library: %s\n", | |
476 | file->f_dentry->d_name.name); | |
477 | error_time = jiffies; | |
478 | } | |
479 | #endif | |
480 | down_write(¤t->mm->mmap_sem); | |
481 | do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss); | |
482 | up_write(¤t->mm->mmap_sem); | |
483 | ||
484 | file->f_op->read(file, (char *)start_addr, | |
485 | ex.a_text + ex.a_data, &pos); | |
486 | flush_icache_range((unsigned long) start_addr, | |
487 | (unsigned long) start_addr + ex.a_text + ex.a_data); | |
488 | ||
489 | retval = 0; | |
490 | goto out; | |
491 | } | |
492 | /* Now use mmap to map the library into memory. */ | |
493 | down_write(¤t->mm->mmap_sem); | |
494 | error = do_mmap(file, start_addr, ex.a_text + ex.a_data, | |
495 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
496 | MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_32BIT, | |
497 | N_TXTOFF(ex)); | |
498 | up_write(¤t->mm->mmap_sem); | |
499 | retval = error; | |
500 | if (error != start_addr) | |
501 | goto out; | |
502 | ||
503 | len = PAGE_ALIGN(ex.a_text + ex.a_data); | |
504 | bss = ex.a_text + ex.a_data + ex.a_bss; | |
505 | if (bss > len) { | |
506 | down_write(¤t->mm->mmap_sem); | |
507 | error = do_brk(start_addr + len, bss - len); | |
508 | up_write(¤t->mm->mmap_sem); | |
509 | retval = error; | |
510 | if (error != start_addr + len) | |
511 | goto out; | |
512 | } | |
513 | retval = 0; | |
514 | out: | |
515 | return retval; | |
516 | } | |
517 | ||
518 | static int __init init_aout_binfmt(void) | |
519 | { | |
520 | return register_binfmt(&aout_format); | |
521 | } | |
522 | ||
523 | static void __exit exit_aout_binfmt(void) | |
524 | { | |
525 | unregister_binfmt(&aout_format); | |
526 | } | |
527 | ||
528 | module_init(init_aout_binfmt); | |
529 | module_exit(exit_aout_binfmt); | |
530 | MODULE_LICENSE("GPL"); |