//-------------------------------------------------------------------------- int get_aout_file_format_index(linput_t *li) { exec ex; register int i = 0; if(qlread(li, &ex, sizeof(ex)) != sizeof(ex)) return false; if(N_BADMAG(ex)) { ex.a_info = swap32(ex.a_info); switch(N_MACHTYPE(ex)) { case M_386_NETBSD: case M_68K_NETBSD: case M_68K4K_NETBSD: case M_532_NETBSD: case M_SPARC_NETBSD: case M_PMAX_NETBSD: case M_VAX_NETBSD: case M_ALPHA_NETBSD: case M_ARM6_NETBSD: break; default: return false; } } switch(N_MAGIC(ex)) { case NMAGIC: ++i; case CMAGIC: ++i; case ZMAGIC: ++i; case OMAGIC: ++i; case QMAGIC: // msg("text=%d data=%d symsize=%d txtoff=%d sum=%d\n", ex.a_text, ex.a_data, // N_SYMSIZE(ex), N_TXTOFF(ex), ex.a_text + ex.a_data + N_SYMSIZE(ex) + N_TXTOFF(ex)); if ( qlsize(li) >= ex.a_text + ex.a_data + N_SYMSIZE(ex) + N_TXTOFF(ex) ) break; if ( N_MAGIC(ex) == ZMAGIC && qlsize(li) >= ex.a_text + ex.a_data + N_SYMSIZE(ex) ) { i = 5; // OpenBSD demand-paged break; } default: return false; } return i+1; }
/* N.B. Move to .h file and use code in fs/binfmt_aout.c? */ static int load_aout32_library(struct file *file) { struct inode * inode; unsigned long bss, start_addr, len; unsigned long error; int retval; struct exec ex; inode = file->f_path.dentry->d_inode; retval = -ENOEXEC; error = kernel_read(file, 0, (char *) &ex, sizeof(ex)); if (error != sizeof(ex)) goto out; /* We come in here for the regular a.out style of shared libraries */ if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) || inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { goto out; } if (N_MAGIC(ex) == ZMAGIC && N_TXTOFF(ex) && (N_TXTOFF(ex) < inode->i_sb->s_blocksize)) { printk("N_TXTOFF < BLOCK_SIZE. Please convert library\n"); goto out; } if (N_FLAGS(ex)) goto out; /* For QMAGIC, the starting address is 0x20 into the page. We mask this off to get the starting address for the page */ start_addr = ex.a_entry & 0xfffff000; /* Now use mmap to map the library into memory. */ down_write(¤t->mm->mmap_sem); error = do_mmap(file, start_addr, ex.a_text + ex.a_data, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE, N_TXTOFF(ex)); up_write(¤t->mm->mmap_sem); retval = error; if (error != start_addr) goto out; len = PAGE_ALIGN(ex.a_text + ex.a_data); bss = ex.a_text + ex.a_data + ex.a_bss; if (bss > len) { down_write(¤t->mm->mmap_sem); error = do_brk(start_addr + len, bss - len); up_write(¤t->mm->mmap_sem); retval = error; if (error != start_addr + len) goto out; } retval = 0; out: return retval; }
static int load_aout32_binary(struct linux_binprm * bprm, struct pt_regs * regs) { struct exec ex; unsigned long error; unsigned long fd_offset; unsigned long rlim; unsigned long orig_thr_flags; int retval; ex = *((struct exec *) bprm->buf); /* exec-header */ if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC && N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || bprm->file->f_path.dentry->d_inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { return -ENOEXEC; } fd_offset = N_TXTOFF(ex); /* Check initial limits. This avoids letting people circumvent * size limits imposed on them by creating programs with large * arrays in the data or bss. */ rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur; if (rlim >= RLIM_INFINITY) rlim = ~0; if (ex.a_data + ex.a_bss > rlim) return -ENOMEM; /* Flush all traces of the currently running executable */ retval = flush_old_exec(bprm); if (retval) return retval; /* OK, This is the point of no return */ set_personality(PER_SUNOS); current->mm->end_code = ex.a_text + (current->mm->start_code = N_TXTADDR(ex)); current->mm->end_data = ex.a_data + (current->mm->start_data = N_DATADDR(ex)); current->mm->brk = ex.a_bss + (current->mm->start_brk = N_BSSADDR(ex)); current->mm->free_area_cache = current->mm->mmap_base; current->mm->cached_hole_size = 0; current->mm->mmap = NULL; compute_creds(bprm); current->flags &= ~PF_FORKNOEXEC; if (N_MAGIC(ex) == NMAGIC) { loff_t pos = fd_offset; /* F**k me plenty... */ down_write(¤t->mm->mmap_sem); error = do_brk(N_TXTADDR(ex), ex.a_text); up_write(¤t->mm->mmap_sem); bprm->file->f_op->read(bprm->file, (char __user *)N_TXTADDR(ex), ex.a_text, &pos); down_write(¤t->mm->mmap_sem); error = do_brk(N_DATADDR(ex), ex.a_data); up_write(¤t->mm->mmap_sem); bprm->file->f_op->read(bprm->file, (char __user *)N_DATADDR(ex), ex.a_data, &pos); goto beyond_if; } if (N_MAGIC(ex) == OMAGIC) { loff_t pos = fd_offset; down_write(¤t->mm->mmap_sem); do_brk(N_TXTADDR(ex) & PAGE_MASK, ex.a_text+ex.a_data + PAGE_SIZE - 1); up_write(¤t->mm->mmap_sem); bprm->file->f_op->read(bprm->file, (char __user *)N_TXTADDR(ex), ex.a_text+ex.a_data, &pos); } else { static unsigned long error_time; if ((ex.a_text & 0xfff || ex.a_data & 0xfff) && (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time) > 5*HZ) { printk(KERN_NOTICE "executable not page aligned\n"); error_time = jiffies; } if (!bprm->file->f_op->mmap) { loff_t pos = fd_offset; down_write(¤t->mm->mmap_sem); do_brk(0, ex.a_text+ex.a_data); up_write(¤t->mm->mmap_sem); bprm->file->f_op->read(bprm->file, (char __user *)N_TXTADDR(ex), ex.a_text+ex.a_data, &pos); goto beyond_if; } down_write(¤t->mm->mmap_sem); error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text, PROT_READ | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, fd_offset); up_write(¤t->mm->mmap_sem); if (error != N_TXTADDR(ex)) { send_sig(SIGKILL, current, 0); return error; } down_write(¤t->mm->mmap_sem); error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, fd_offset + ex.a_text); up_write(¤t->mm->mmap_sem); if (error != N_DATADDR(ex)) { send_sig(SIGKILL, current, 0); return error; } } beyond_if: set_binfmt(&aout32_format); set_brk(current->mm->start_brk, current->mm->brk); /* Make sure STACK_TOP returns the right thing. */ orig_thr_flags = current_thread_info()->flags; current_thread_info()->flags |= _TIF_32BIT; retval = setup_arg_pages(bprm, STACK_TOP, EXSTACK_DEFAULT); if (retval < 0) { current_thread_info()->flags = orig_thr_flags; /* Someone check-me: is this error path enough? */ send_sig(SIGKILL, current, 0); return retval; } current->mm->start_stack = (unsigned long) create_aout32_tables((char __user *)bprm->p, bprm); tsb_context_switch(current->mm); start_thread32(regs, ex.a_entry, current->mm->start_stack); if (current->ptrace & PT_PTRACED) send_sig(SIGTRAP, current, 0); return 0; }
static int load_aout_library(struct file *file) { struct inode * inode; unsigned long bss, start_addr, len; unsigned long error; int retval; struct exec ex; inode = file->f_dentry->d_inode; retval = -ENOEXEC; error = kernel_read(file, 0, (char *) &ex, sizeof(ex)); if (error != sizeof(ex)) goto out; /* We come in here for the regular a.out style of shared libraries */ if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) || inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { goto out; } if (N_FLAGS(ex)) goto out; /* For QMAGIC, the starting address is 0x20 into the page. We mask this off to get the starting address for the page */ #ifndef __arm__ start_addr = ex.a_entry & 0xfffff000; #else start_addr = ex.a_entry & 0xffff8000; #endif if ((N_TXTOFF(ex) & ~PAGE_MASK) != 0) { static unsigned long error_time; loff_t pos = N_TXTOFF(ex); if ((jiffies-error_time) > 5*HZ) { printk(KERN_WARNING "N_TXTOFF is not page aligned. Please convert library: %s\n", file->f_dentry->d_name.name); error_time = jiffies; } do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss); file->f_op->read(file, (char *)start_addr, ex.a_text + ex.a_data, &pos); flush_icache_range((unsigned long) start_addr, (unsigned long) start_addr + ex.a_text + ex.a_data); retval = 0; goto out; } /* Now use mmap to map the library into memory. */ down_write(¤t->mm->mmap_sem); error = do_mmap(file, start_addr, ex.a_text + ex.a_data, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE, N_TXTOFF(ex)); up_write(¤t->mm->mmap_sem); retval = error; if (error != start_addr) goto out; len = PAGE_ALIGN(ex.a_text + ex.a_data); bss = ex.a_text + ex.a_data + ex.a_bss; if (bss > len) { error = do_brk(start_addr + len, bss - len); retval = error; if (error != start_addr + len) goto out; } retval = 0; out: return retval; }
static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) { struct exec ex; unsigned long error; unsigned long fd_offset; unsigned long rlim; int retval; ex = *((struct exec *) bprm->buf); /* exec-header */ if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC && N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || bprm->file->f_dentry->d_inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { return -ENOEXEC; } fd_offset = N_TXTOFF(ex); /* Check initial limits. This avoids letting people circumvent * size limits imposed on them by creating programs with large * arrays in the data or bss. */ rlim = current->rlim[RLIMIT_DATA].rlim_cur; if (rlim >= RLIM_INFINITY) rlim = ~0; if (ex.a_data + ex.a_bss > rlim) return -ENOMEM; /* Flush all traces of the currently running executable */ retval = flush_old_exec(bprm); if (retval) return retval; /* OK, This is the point of no return */ #if defined(__alpha__) SET_AOUT_PERSONALITY(bprm, ex); #elif defined(__sparc__) set_personality(PER_SUNOS); #if !defined(__sparc_v9__) memcpy(¤t->thread.core_exec, &ex, sizeof(struct exec)); #endif #else set_personality(PER_LINUX); #endif current->mm->end_code = ex.a_text + (current->mm->start_code = N_TXTADDR(ex)); current->mm->end_data = ex.a_data + (current->mm->start_data = N_DATADDR(ex)); current->mm->brk = ex.a_bss + (current->mm->start_brk = N_BSSADDR(ex)); current->mm->rss = 0; current->mm->mmap = NULL; #ifdef CONFIG_ARM_FASS arch_new_mm(current, current->mm); #endif compute_creds(bprm); current->flags &= ~PF_FORKNOEXEC; #ifdef __sparc__ if (N_MAGIC(ex) == NMAGIC) { loff_t pos = fd_offset; /* F**k me plenty... */ /* <AOL></AOL> */ error = do_brk(N_TXTADDR(ex), ex.a_text); bprm->file->f_op->read(bprm->file, (char *) N_TXTADDR(ex), ex.a_text, &pos); error = do_brk(N_DATADDR(ex), ex.a_data); bprm->file->f_op->read(bprm->file, (char *) N_DATADDR(ex), ex.a_data, &pos); goto beyond_if; } #endif if (N_MAGIC(ex) == OMAGIC) { unsigned long text_addr, map_size; loff_t pos; text_addr = N_TXTADDR(ex); #if defined(__alpha__) || defined(__sparc__) pos = fd_offset; map_size = ex.a_text+ex.a_data + PAGE_SIZE - 1; #else pos = 32; map_size = ex.a_text+ex.a_data; #endif error = do_brk(text_addr & PAGE_MASK, map_size); if (error != (text_addr & PAGE_MASK)) { send_sig(SIGKILL, current, 0); return error; } error = bprm->file->f_op->read(bprm->file, (char *)text_addr, ex.a_text+ex.a_data, &pos); if ((signed long)error < 0) { send_sig(SIGKILL, current, 0); return error; } flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data); } else { static unsigned long error_time, error_time2; if ((ex.a_text & 0xfff || ex.a_data & 0xfff) && (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ) { printk(KERN_NOTICE "executable not page aligned\n"); error_time2 = jiffies; } if ((fd_offset & ~PAGE_MASK) != 0 && (jiffies-error_time) > 5*HZ) { printk(KERN_WARNING "fd_offset is not page aligned. Please convert program: %s\n", bprm->file->f_dentry->d_name.name); error_time = jiffies; } if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) { loff_t pos = fd_offset; do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data); bprm->file->f_op->read(bprm->file,(char *)N_TXTADDR(ex), ex.a_text+ex.a_data, &pos); flush_icache_range((unsigned long) N_TXTADDR(ex), (unsigned long) N_TXTADDR(ex) + ex.a_text+ex.a_data); goto beyond_if; } down_write(¤t->mm->mmap_sem); error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text, PROT_READ | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, fd_offset); up_write(¤t->mm->mmap_sem); if (error != N_TXTADDR(ex)) { send_sig(SIGKILL, current, 0); return error; } down_write(¤t->mm->mmap_sem); error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, fd_offset + ex.a_text); up_write(¤t->mm->mmap_sem); if (error != N_DATADDR(ex)) { send_sig(SIGKILL, current, 0); return error; } } beyond_if: set_binfmt(&aout_format); set_brk(current->mm->start_brk, current->mm->brk); retval = setup_arg_pages(bprm); if (retval < 0) { /* Someone check-me: is this error path enough? */ send_sig(SIGKILL, current, 0); return retval; } current->mm->start_stack = (unsigned long) create_aout_tables((char *) bprm->p, bprm); #ifdef __alpha__ regs->gp = ex.a_gpvalue; #endif start_thread(regs, ex.a_entry, current->mm->start_stack); if (current->ptrace & PT_PTRACED) send_sig(SIGTRAP, current, 0); #ifndef __arm__ return 0; #else return regs->ARM_r0; #endif }
static inline int do_load_aout_library(int fd) { struct file * file; struct exec ex; struct inode * inode; unsigned int len; unsigned int bss; unsigned int start_addr; unsigned long error; file = current->files->fd[fd]; inode = file->f_inode; if (!file || !file->f_op) return -EACCES; /* Seek into the file */ if (file->f_op->lseek) { if ((error = file->f_op->lseek(inode, file, 0, 0)) != 0) return -ENOEXEC; } else file->f_pos = 0; set_fs(KERNEL_DS); error = file->f_op->read(inode, file, (char *) &ex, sizeof(ex)); set_fs(USER_DS); if (error != sizeof(ex)) return -ENOEXEC; /* We come in here for the regular a.out style of shared libraries */ if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) || inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { return -ENOEXEC; } if (N_MAGIC(ex) == ZMAGIC && N_TXTOFF(ex) && (N_TXTOFF(ex) < inode->i_sb->s_blocksize)) { printk("N_TXTOFF < BLOCK_SIZE. Please convert library\n"); return -ENOEXEC; } if (N_FLAGS(ex)) return -ENOEXEC; /* For QMAGIC, the starting address is 0x20 into the page. We mask this off to get the starting address for the page */ #ifndef CONFIG_ARM start_addr = ex.a_entry & 0xfffff000; /* Now use mmap to map the library into memory. */ error = do_mmap(file, start_addr, ex.a_text + ex.a_data, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE, N_TXTOFF(ex)); if (error != start_addr) return error; len = PAGE_ALIGN(ex.a_text + ex.a_data); bss = ex.a_text + ex.a_data + ex.a_bss; #else start_addr = ex.a_entry & 0xffff8000; { unsigned int offset; unsigned int length; switch (N_MAGIC(ex)) { case QMAGIC: offset = 0; length = ex.a_text + ex.a_data; break; case ZMAGIC: /* or QMAGIC */ offset = N_TXTOFF(ex); length = ex.a_text + ex.a_data; break; default: return -ENOEXEC; } /* Now use mmap to map the library into memory. */ error = do_mmap(file, start_addr, length, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE, offset); if (error != start_addr) return error; len = PAGE_ALIGN(length); bss = length + ex.a_bss; } #endif if (bss > len) { error = do_mmap(NULL, start_addr + len, bss-len, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 0); if (error != start_addr + len) return error; } return 0; }
static inline int do_load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) { struct exec ex; struct file * file; int fd; unsigned long error; unsigned long p = bprm->p; unsigned long fd_offset; unsigned long rlim; ex = *((struct exec *) bprm->buf); /* exec-header */ if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || bprm->inode->i_size < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { return -ENOEXEC; } current->personality = PER_LINUX; fd_offset = N_TXTOFF(ex); #if defined (__i386__) || defined (CONFIG_ARM) if (N_MAGIC(ex) == ZMAGIC && fd_offset != BLOCK_SIZE) { printk(KERN_NOTICE "N_TXTOFF != BLOCK_SIZE. See a.out.h.\n"); return -ENOEXEC; } if (N_MAGIC(ex) == ZMAGIC && ex.a_text && (fd_offset < bprm->inode->i_sb->s_blocksize)) { printk(KERN_NOTICE "N_TXTOFF < BLOCK_SIZE. Please convert binary.\n"); return -ENOEXEC; } #endif #if defined(CONFIG_ARM) if (N_MACHTYPE(ex) != M_ARM) { printk(KERN_NOTICE "Binary != ARM. Please recompile binary.\n"); return -ENOEXEC; } #endif /* Check initial limits. This avoids letting people circumvent * size limits imposed on them by creating programs with large * arrays in the data or bss. */ rlim = current->rlim[RLIMIT_DATA].rlim_cur; if (rlim >= RLIM_INFINITY) rlim = ~0; if (ex.a_data + ex.a_bss > rlim) return -ENOMEM; if (flush_old_exec(bprm)) return -ENOMEM; /* OK, This is the point of no return */ current->mm->end_code = ex.a_text + (current->mm->start_code = N_TXTADDR(ex)); current->mm->end_data = ex.a_data + (current->mm->start_data = N_DATADDR(ex)); current->mm->brk = ex.a_bss + (current->mm->start_brk = N_BSSADDR(ex)); current->mm->rss = 0; current->mm->mmap = NULL; current->suid = current->euid = current->fsuid = bprm->e_uid; current->sgid = current->egid = current->fsgid = bprm->e_gid; current->flags &= ~PF_FORKNOEXEC; if (N_MAGIC(ex) == OMAGIC) { #if defined(__alpha__) || defined(CONFIG_ARM) #ifndef CONFIG_ARM do_mmap(NULL, N_TXTADDR(ex) & PAGE_MASK, ex.a_text+ex.a_data + PAGE_SIZE - 1, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_FIXED|MAP_PRIVATE, 0); #else do_mmap(NULL, N_TXTADDR(ex), ex.a_text+ex.a_data, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_FIXED|MAP_PRIVATE, 0); #endif read_exec(bprm->inode, fd_offset, (char *) N_TXTADDR(ex), ex.a_text+ex.a_data, 0); #else do_mmap(NULL, 0, ex.a_text+ex.a_data, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_FIXED|MAP_PRIVATE, 0); read_exec(bprm->inode, 32, (char *) 0, ex.a_text+ex.a_data, 0); #endif } else { if (ex.a_text & 0xfff || ex.a_data & 0xfff) printk(KERN_NOTICE "executable not page aligned\n"); fd = open_inode(bprm->inode, O_RDONLY); if (fd < 0) { send_sig(SIGKILL, current, 0); return fd; } file = current->files->fd[fd]; if (!file->f_op || !file->f_op->mmap) { sys_close(fd); do_mmap(NULL, 0, ex.a_text+ex.a_data, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_FIXED|MAP_PRIVATE, 0); read_exec(bprm->inode, fd_offset, (char *) N_TXTADDR(ex), ex.a_text+ex.a_data, 0); goto beyond_if; } error = do_mmap(file, N_TXTADDR(ex), ex.a_text, PROT_READ | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, fd_offset); if (error != N_TXTADDR(ex)) { sys_close(fd); send_sig(SIGKILL, current, 0); return error; } error = do_mmap(file, N_DATADDR(ex), ex.a_data, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, fd_offset + ex.a_text); sys_close(fd); if (error != N_DATADDR(ex)) { send_sig(SIGKILL, current, 0); return error; } } beyond_if: if (current->exec_domain && current->exec_domain->use_count) (*current->exec_domain->use_count)--; if (current->binfmt && current->binfmt->use_count) (*current->binfmt->use_count)--; current->exec_domain = lookup_exec_domain(current->personality); current->binfmt = &aout_format; if (current->exec_domain && current->exec_domain->use_count) (*current->exec_domain->use_count)++; if (current->binfmt && current->binfmt->use_count) (*current->binfmt->use_count)++; set_brk(current->mm->start_brk, current->mm->brk); p = setup_arg_pages(p, bprm); p = (unsigned long) create_aout_tables((char *)p, bprm); current->mm->start_stack = p; #ifdef __alpha__ regs->gp = ex.a_gpvalue; #endif start_thread(regs, ex.a_entry, p); if (current->flags & PF_PTRACED) send_sig(SIGTRAP, current, 0); #ifndef CONFIG_ARM return 0; #else return regs->ARM_r0; #endif }