430 	int fd, err = -1;  in filename__read_build_id()  local
436 	fd = open(filename, O_RDONLY);  in filename__read_build_id()
437 	if (fd < 0)  in filename__read_build_id()
440 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in filename__read_build_id()
450 	close(fd);  in filename__read_build_id()
457 	int fd, err = -1;  in sysfs__read_build_id()  local
462 	fd = open(filename, O_RDONLY);  in sysfs__read_build_id()
463 	if (fd < 0)  in sysfs__read_build_id()
471 		if (read(fd, &nhdr, sizeof(nhdr)) != sizeof(nhdr))  in sysfs__read_build_id()
478 			if (read(fd, bf, namesz) != (ssize_t)namesz)  in sysfs__read_build_id()
482 				if (read(fd, build_id, sz) == (ssize_t)sz) {  in sysfs__read_build_id()
487 			} else if (read(fd, bf, descsz) != (ssize_t)descsz)  in sysfs__read_build_id()
491 			if (read(fd, bf, n) != n)  in sysfs__read_build_id()
495 	close(fd);  in sysfs__read_build_id()
503 	int fd, err = -1;  in filename__read_debuglink()  local
511 	fd = open(filename, O_RDONLY);  in filename__read_debuglink()
512 	if (fd < 0)  in filename__read_debuglink()
515 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in filename__read_debuglink()
547 	close(fd);  in filename__read_debuglink()
582 	int fd = -1;  in decompress_kmodule()  local
597 	fd = mkstemp(tmpbuf);  in decompress_kmodule()
598 	if (fd < 0) {  in decompress_kmodule()
603 	if (!decompress_to_file(m.ext, name, fd)) {  in decompress_kmodule()
605 		close(fd);  in decompress_kmodule()
606 		fd = -1;  in decompress_kmodule()
613 	return fd;  in decompress_kmodule()
630 	close(ss->fd);  in symsrc__destroy()
639 	int fd;  in symsrc__init()  local
642 		fd = decompress_kmodule(dso, name, type);  in symsrc__init()
643 		if (fd < 0)  in symsrc__init()
646 		fd = open(name, O_RDONLY);  in symsrc__init()
647 		if (fd < 0) {  in symsrc__init()
653 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in symsrc__init()
725 	ss->fd     = fd;  in symsrc__init()
734 	close(fd);  in symsrc__init()
1124 int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,  in file__read_maps()  argument
1130 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in file__read_maps()
1143 enum dso_type dso__type_fd(int fd)  in dso__type_fd()  argument
1150 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in dso__type_fd()
1218 	int fd;  member
1228 	kcore->fd = open(filename, O_RDONLY);  in kcore__open()
1229 	if (kcore->fd == -1)  in kcore__open()
1232 	kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL);  in kcore__open()
1249 	close(kcore->fd);  in kcore__open()
1259 		kcore->fd = mkstemp(filename);  in kcore__init()
1261 		kcore->fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0400);  in kcore__init()
1262 	if (kcore->fd == -1)  in kcore__init()
1265 	kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL);  in kcore__init()
1279 	close(kcore->fd);  in kcore__init()
1287 	close(kcore->fd);  in kcore__close()
1684 	if (copy_bytes(kcore.fd, kci.kernel_map.offset, extract.fd, offset,  in kcore_copy()
1688 	if (modules_offset && copy_bytes(kcore.fd, kci.modules_map.offset,  in kcore_copy()
1689 					 extract.fd, modules_offset,  in kcore_copy()
1742 	if (copy_bytes(kcore.fd, kce->offs, extract.fd, offset, kce->len))  in kcore_extract__create()