static int load_flat_binary(struct linux_binprm *, struct pt_regs * regs);
static int flat_core_dump(long signr, struct pt_regs * regs, struct file *file);
-extern void dump_thread(struct pt_regs *, struct user *);
-
static struct linux_binfmt flat_format = {
.module = THIS_MODULE,
.load_binary = load_flat_binary,
flags = ntohl(hdr->flags);
rev = ntohl(hdr->rev);
- if (flags & FLAT_FLAG_KTRACE)
- printk("BINFMT_FLAT: Loading file: %s\n", bprm->filename);
-
- if (strncmp(hdr->magic, "bFLT", 4) ||
- (rev != FLAT_VERSION && rev != OLD_FLAT_VERSION)) {
+ if (strncmp(hdr->magic, "bFLT", 4)) {
/*
* because a lot of people do not manage to produce good
* flat binaries, we leave this printk to help them realise
* the problem. We only print the error if its not a script file
*/
if (strncmp(hdr->magic, "#!", 2))
- printk("BINFMT_FLAT: bad magic/rev (0x%x, need 0x%x)\n",
- rev, (int) FLAT_VERSION);
+ printk("BINFMT_FLAT: bad header magic\n");
+ return -ENOEXEC;
+ }
+
+ if (flags & FLAT_FLAG_KTRACE)
+ printk("BINFMT_FLAT: Loading file: %s\n", bprm->filename);
+
+ if (rev != FLAT_VERSION && rev != OLD_FLAT_VERSION) {
+ printk("BINFMT_FLAT: bad flat file version 0x%x (supported 0x%x and 0x%x)\n", rev, FLAT_VERSION, OLD_FLAT_VERSION);
return -ENOEXEC;
}
DBG_FLT("BINFMT_FLAT: ROM mapping of file (we hope)\n");
down_write(¤t->mm->mmap_sem);
- textpos = do_mmap(bprm->file, 0, text_len, PROT_READ|PROT_EXEC, MAP_SHARED, 0);
+ textpos = do_mmap(bprm->file, 0, text_len, PROT_READ|PROT_EXEC, MAP_PRIVATE, 0);
up_write(¤t->mm->mmap_sem);
if (!textpos || textpos >= (unsigned long) -4096) {
if (!textpos)
current->mm->start_brk = datapos + data_len + bss_len;
current->mm->brk = (current->mm->start_brk + 3) & ~3;
current->mm->context.end_brk = memp + ksize((void *) memp) - stack_len;
- set_mm_counter(current->mm, rss, 0);
}
if (flags & FLAT_FLAG_KTRACE)