Noteworthy changes in strace 5.4 (2019-11-28) ============================================= * Improvements * Implemented -DD and -DDD options that move strace into a separate process group and session, respectively. * Enhanced seccomp-bpf tracee syscall filtering support by implementing new "binary match" BPF program generation strategy and automatically choosing the strategy that generates the shortest BPF program. * Implemented decoding of BPF_BTF_GET_NEXT_ID bpf syscall command. * Enhanced decoding of BPF_MAP_LOOKUP_ELEM bpf syscall command. * Implemented PTP_CLOCK_GETCAPS2, PTP_EXTTS_REQUEST2, PTP_PEROUT_REQUEST2, PTP_ENABLE_PPS2, and PTP_SYS_OFFSET2 ioctl decoding. * Updated lists of BPF_*, CAN_*, KEXEC_*, KVM_*, MADV_*, MSG_*, P_*, PR_*, PTP_*, SCTP_*, and V4L2_* constants. * Implemented ability to build ARM EABI mpers support using a separate compiler on aarch64. * Updated lists of ioctl commands from Linux 5.4. * Enhanced manual page. * Bug fixes * Fixed -b execve when --seccomp-bpf option is specified. * Fixed decoding of BPF_PROG_LOAD bpf syscall command. * Fixed build on no-MMU architectures. * Fixed build on antique systems that do not provide necessary definitions of AUDIT_ARCH_* constants. Contributors ============ This release was made possible by the contributions of many people. The maintainers are grateful to everyone who has contributed changes or bug reports. These include: * Andreas Schwab * Baruch Siach * Dmitry V. Levin * Elvira Khabirova * Eugene Syromyatnikov * Fanda Uchytil * Gleb Fotengauer-Malinovskiy * Paul Chaignon Please refer to the CREDITS file for the full list of strace contributors.