123 static int create_flat_tables(struct linux_binprm *bprm, unsigned long arg_start)  in create_flat_tables()  argument
132 	sp -= bprm->envc + 1;  in create_flat_tables()
133 	sp -= bprm->argc + 1;  in create_flat_tables()
141 	if (put_user(bprm->argc, sp++))  in create_flat_tables()
146 		envp = (unsigned long)(sp + 2 + bprm->argc + 1);  in create_flat_tables()
152 	for (i = bprm->argc; i > 0; i--) {  in create_flat_tables()
165 	for (i = bprm->envc; i > 0; i--) {  in create_flat_tables()
197 static int decompress_exec(struct linux_binprm *bprm, loff_t fpos, char *dst,  in decompress_exec()  argument
218 	ret = kernel_read(bprm->file, buf, LBUFSIZE, &fpos);  in decompress_exec()
288 		ret = kernel_read(bprm->file, buf, LBUFSIZE, &fpos);  in decompress_exec()
430 static int load_flat_file(struct linux_binprm *bprm,  in load_flat_file()  argument
445 	hdr = ((struct flat_hdr *) bprm->buf);		/* exec-header */  in load_flat_file()
473 		pr_info("Loading file: %s\n", bprm->filename);  in load_flat_file()
542 		ret = begin_new_exec(bprm);  in load_flat_file()
548 		setup_new_exec(bprm);  in load_flat_file()
569 		textpos = vm_mmap(bprm->file, 0, text_len, PROT_READ|PROT_EXEC,  in load_flat_file()
603 			result = decompress_exec(bprm, fpos, (char *)datapos,  in load_flat_file()
608 			result = read_code(bprm->file, datapos, fpos,  in load_flat_file()
654 			result = decompress_exec(bprm, sizeof(struct flat_hdr),  in load_flat_file()
672 				result = decompress_exec(bprm, sizeof(struct flat_hdr),  in load_flat_file()
684 			result = read_code(bprm->file, textpos, 0, text_len);  in load_flat_file()
687 				result = decompress_exec(bprm, text_len, (char *) datapos,  in load_flat_file()
694 					result = decompress_exec(bprm, text_len,  in load_flat_file()
707 			result = read_code(bprm->file, textpos, 0, text_len);  in load_flat_file()
709 				result = read_code(bprm->file, datapos,  in load_flat_file()
750 			id ? "Lib" : "Load", bprm->filename,  in load_flat_file()
895 	struct linux_binprm bprm;  in load_flat_shared_library()  local
900 	memset(&bprm, 0, sizeof(bprm));  in load_flat_shared_library()
906 	bprm.filename = buf;  in load_flat_shared_library()
907 	bprm.file = open_exec(bprm.filename);  in load_flat_shared_library()
908 	res = PTR_ERR(bprm.file);  in load_flat_shared_library()
909 	if (IS_ERR(bprm.file))  in load_flat_shared_library()
912 	res = kernel_read(bprm.file, bprm.buf, BINPRM_BUF_SIZE, &pos);  in load_flat_shared_library()
915 		res = load_flat_file(&bprm, libs, id, NULL);  in load_flat_shared_library()
917 	allow_write_access(bprm.file);  in load_flat_shared_library()
918 	fput(bprm.file);  in load_flat_shared_library()
931 static int load_flat_binary(struct linux_binprm *bprm)  in load_flat_binary()  argument
950 	stack_len += PAGE_SIZE * MAX_ARG_PAGES - bprm->p; /* the strings */  in load_flat_binary()
952 	stack_len += (bprm->argc + 1) * sizeof(char *);   /* the argv array */  in load_flat_binary()
953 	stack_len += (bprm->envc + 1) * sizeof(char *);   /* the envp array */  in load_flat_binary()
956 	res = load_flat_file(bprm, &libinfo, 0, &stack_len);  in load_flat_binary()
978 	res = setup_arg_pages(bprm, STACK_TOP, EXSTACK_DEFAULT);  in load_flat_binary()
980 		res = create_flat_tables(bprm, bprm->p);  in load_flat_binary()
988 	res = transfer_args_to_stack(bprm, &current->mm->start_stack);  in load_flat_binary()
990 		res = create_flat_tables(bprm, current->mm->start_stack);  in load_flat_binary()
1019 	finalize_exec(bprm);  in load_flat_binary()