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In cross builds, a target version of readelf has to be used
instead of a native one.
* configure.ac (AC_CHECK_TOOL): Add readelf.
* Makefile.am (READELF): New variable.
(mpers-m%.stamp): Pass it to $(srcdir)/mpers.sh.
* m4/mpers.m4 (st_MPERS): Pass READELF environment variable
to $srcdir/mpers_test.sh.
* mpers.sh (READELF): New variable.
Use it instead of readelf.
* maint/ioctls_sym.sh: Likewise.
* NEWS: Mention this fix.
Reported-by: Rolf Eike Beer <eb@emlix.com>
* configure.ac: Check for union bpf_attr.test.duration.
* bpf.c (decode_BPF_PROG_TEST_RUN): New function.
(SYS_FUNC(bpf)) <bpf_cmd_decoders>: Use it.
* NEWS: Mention this.
* tests/bpf.c: Include "print_fields.h".
Add macro guard for BPF_PROG_TEST_RUN decoder test.
[HAVE_UNION_BPF_ATTR_TEST_DURATION] (sample_BPF_PROG_TEST_RUN_attr):
New variable.
[HAVE_UNION_BPF_ATTR_TEST_DURATION] (init_BPF_PROG_TEST_RUN_first,
print_BPF_PROG_TEST_RUN_first, init_BPF_PROG_TEST_RUN_attr,
print_BPF_PROG_TEST_RUN_attr): New functions.
(main) [HAVE_UNION_BPF_ATTR_TEST_DURATION]: Use them.
Implement decoding of union bpf_attr.numa_node field for BPF_MAP_CREATE
command introduced by linux kernel commit v4.14-rc1~130^2~196^2~1.
* configure.ac: Check for numa_node member of union bpf_attr
instead of inner_map_fd.
(decode_BPF_MAP_CREATE): Add numa_node field to the structure, print it.
* NEWS: Mention this.
* tests/bpf.c: Update macro guards of BPF_MAP_CREATE decoder test.
(init_BPF_MAP_CREATE_first, print_BPF_MAP_CREATE_attr): Update expected
output.
(init_BPF_MAP_CREATE_attr): Initialize numa_node field, update offset.
Tweak the parser to follow the kernel behaviour.
* net.c (print_getsockopt, print_setsockopt) <SOL_NETLINK>: Fetch and
print returned value as integer iff the length is >= sizeof(int),
otherwise print the address.
* NEWS: Mention this.
* xlat/socknetlinkoptions.in: New file.
* net.c: Include "xlat/socknetlinkoptions.h".
(print_sockopt_fd_level_name) <SOL_NETLINK>: Print name using
socknetlinkoptions.
* NEWS: Metnion this.
* configure.ac (AC_CHECK_TYPES): Check for crypto_report_aead,
crypto_report_blkcipher, crypto_report_cipher, crypto_report_hash,
and crypto_report_rng structures in <linux/cryptouser.h>.
* netlink_crypto.c (decode_crypto_report_generic,
decode_crypto_report_hash, decode_crypto_report_blkcipher,
decode_crypto_report_aead, decode_crypto_report_rng,
decode_crypto_report_cipher): New functions.
(crypto_user_alg_nla_decoders): New array.
(decode_crypto_user_alg): Use it.
* xlat/crypto_nl_attrs.in: New file.
* NEWS: Mention this.
* netlink.c: Include "nlattr.h" and "xlat/nlmsgerr_attrs.h".
(print_cookie, decode_nlmsgerr_attr_cookie): New functions.
(nlmsgerr_nla_decoders): New array.
(decode_nlmsgerr): Use it.
* xlat/nlmsgerr_attrs.in: New file.
* NEWS: Mention this.
* netlink.c: Include "xlat/netlink_ack_flags.h".
(decode_nlmsg_flags): Decode ack flags when type == NLMSG_ERROR.
* xlat/netlink_ack_flags.in: New file.
* NEWS: Mention this.
* tests/netlink_protocol.c (test_ack_flags): New function, check this.
(main): Use it.
* xlat/uffd_api_features.in: New file.
* userfaultfd.c: Include "xlat/uffd_api_features.h".
(uffdio_ioctl): Print struct uffdio_api.features using
PRINT_FIELD_FLAGS64 and uffd_api_features.
* NEWS: Mention this.
* tests/ioctl_uffdio.c: Include "xlat.h" and "xlat/uffd_api_features.h".
(main): Update expected output.
* net.c (print_group_req): Allow option length greater than
sizeof(struct group_req) to match the kernel behaviour.
When the option length is invalid, print the address.
* NEWS: Mention this.
* net.c (print_mreq, print_mreq6): Treat negative option length
as invalid to match the kernel behaviour. When the option length
is invalid, print the address.
* NEWS: Mention it.
* tests/ip_mreq.c (main): Check it. Update expected output.
* bpf_sock_filter.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* xlat/skf_ad.in: New file.
* defs.h (decode_sock_fprog, print_sock_fprog): New prototypes.
* fetch_bpf_fprog.c (get_bpf_fprog_size): New mpers printer.
* net.c (print_getsockopt): Use decode_sock_fprog to print
socket filter programs for SO_GET_FILTER socket option.
(print_setsockopt): Use decode_sock_fprog and get_bpf_fprog_size
to print socket filter programs for SO_ATTACH_FILTER
and SO_ATTACH_REUSEPORT_CBPF socket options.
* NEWS: Mention this.
* net.c (print_linger): Rename to print_set_linger.
(print_setsockopt): Replace print_linger with print_set_linger.
(print_get_linger): New function that accepts arbitrary option length
to match the kernel behaviour.
(print_getsockopt): Replace print_linger with print_get_linger.
* NEWS: Mention this.
