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* tests/attach-f-p.c Simplify communications between threads
by replacing per-thread timers with pipes.
* tests/attach-f-p.test: Do not ignore signals.
* tests/signalfd4.c (get_sigset_size): New function.
(main): Use it. Print expected output.
* tests/signalfd4.test: Use run_strace_match_diff.
* tests/signalfd4.expected: Remove.
* tests/Makefile.am (EXTRA_DIST): Remove it.
* strace.c (ptrace_attach_cmd): New variable.
(ptrace_attach_or_seize): Save last ptrace command's name
to ptrace_attach_cmd.
(attach_tcb, startup_child): Use it in error diagnostics.
This script has been created by commit v4.8-180-g0ed617b
for the one-shot job of automatic convertion of xlat structures
from *.c files to xlat/*.in files.
* generate_xlat_in.sh: Remove.
* tests/vhangup.c (main): Fix expected output for the case when
the calling process has CAP_SYS_TTY_CONFIG capability.
Reported-by: Yun-Chih Chen <b03902074@ntu.edu.tw>
* xlat/ipccalls.in: New file.
* ipc.c: New file.
* Makefile.am (libstrace_a_SOURCES): Add it.
* linux/dummy.h (sys_ipc): Remove stub alias.
* syscall.c (decode_ipc_subcall): Treat 1st argument of ipc syscall
as "unsigned int".
[S390 || S390X]: Skip ipc cubcalls that have non-zero version.
[SPARC64]: Likewise, for the native personality.
Save ipc cubcall version for later use by specific ipc parsers.
* ipc_msg.c (SYS_FUNC(msgrcv)): Handle non-zero ipc subcall version.
[SPARC64]: Handle non-ipc_kludge case for the native personality.
* linux/subcall.h (msgrcv): Change nargs from 4 to 5.
* linux/s390/syscallent.h (ipc): Change nargs from 6 to 5.
* linux/s390x/syscallent.h (ipc): Likewise.
* tests/netlink_protocol.c: Check that HAVE_SYS_XATTR_H is defined.
Include <stdlib.h> and <sys/xattr.h>.
(main): Check that system.sockprotoname attribute is supported.
As most syscalls on x32 and mips n32 are actually 64-bit,
check that 64-bit syscall arguments are decoded properly.
This also workarounds x32 gcc sign extension bug
reported by Eugene Syromyatnikov at
https://sourceforge.net/p/strace/mailman/message/35150860/
* tests/nsyscalls.c: Include "kernel_types.h".
(main): Change the type of syscall arguments to kernel_ulong_t.
As most of x32 syscalls are regular x86_64 syscalls, they should be
printed by default as 64-bit syscalls, and syscall parsers at their
discretion might print syscalls differently. This is already
implemented in 64-bit strace tracing x32 personality processes,
and now x32 strace will also behave this way.
Similar reasoning applies to mips n32.
* util.c (printargs) [HAVE_STRUCT_TCB_EXT_ARG]: Print syscall arguments
from ext_arg array using %llx format.
* xlat/socketcalls.in: New file.
* socketcall.c: New file.
* Makefile.am (libstrace_a_SOURCES): Add it.
* linux/dummy.h (sys_socketcall): Remove stub alias.
* syscall.c (decode_socket_subcall): Treat 1st argument of socketcall
as "int". Do not substitute syscall until all socketcall arguments
have been fetched successfully.
* mmsghdr.c (decode_mmsgvec): Clear syserror for the time of printing
struct mmsghdr array in !use_msg_len case.
(SYS_FUNC(sendmmsg)): As failed sendmmsg syscall does not
set msg_len fields, tell this to decode_mmsgvec.
* tests/mmsg_name.c (test_mmsg_name): Check it.
* defs.h (decode_mmsgvec): Add int argument.
* mmsghdr.c (print_struct_mmsghdr_config): Add msg_len_vlen field.
(print_struct_mmsghdr): Print struct mmsghdr.msg_len only for
msg_len_vlen first elements of struct mmsghdr array.
(decode_mmsgvec): Add msg_len_vlen argument.
(SYS_FUNC(sendmmsg), SYS_FUNC(recvmmsg)): Pass to decode_mmsgvec
the number of elements of struct mmsghdr array that contain meaningful
struct mmsghdr.msg_len.
* tests/mmsg_name.c (test_mmsg_name): Check it.
As msg_namelen fields of recvmmsg syscall's struct msghdr array have
the same read-write semantics as struct msghdr argument of recvmsg
syscall, parser of recvmmsg syscall needs a similar fix.
* mmsghdr.c (print_struct_mmsghdr): Increment p_user_msg_namelen field.
(mmsgvec_data): New structure.
(free_mmsgvec_data, save_mmsgvec_namelen): New functions.
(decode_mmsgvec): Take into account the data saved
by save_mmsgvec_namelen function.
(SYS_FUNC(recvmmsg)): Use save_mmsgvec_namelen.
* fetch_struct_mmsghdr.c (sizeof_struct_mmsghdr): New mpers printer.
* mmsghdr.c: Include <limits.h>.
(print_struct_mmsghdr_config): New structure.
(fetch_struct_mmsghdr_or_printaddr, print_struct_mmsghdr): New functions.
(decode_mmsgvec): Rewrite using them and print_array.
