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Move syscall subcall handling to the same switch statement that
handles ipc and socket subcalls.
* linux/mips/syscallent-o32.h [LINUX_MIPSO32] (SYS_syscall_subcall):
Define.
* syscall.c (decode_mips_subcall): Rename to decode_syscall_subcall,
conditionalize on SYS_syscall_subcall instead of LINUX_MIPSO32.
(syscall_entering_decode) [LINUX_MIPSO32]: Remove.
(syscall_entering_decode) [SYS_syscall_subcall]: Handle SEN_syscall
using decode_syscall_subcall.
* syscall.c (shuffle_scno): Check for ARM_FIRST_SHUFFLED_SYSCALL
instead of ARM || AARCH64. This does not result to any code change
but looks more comprehensible.
* syscall.c (get_regs_error) [!ptrace_getregset_or_getregs]: Do not
define.
(clear_regs) [!ptrace_getregset_or_getregs]: Do not set get_regs_error.
(get_regs) [ptrace_getregset_or_getregs]: Return get_regs_error, all
callers changed to test get_regs return code instead of get_regs_error
static variable, which is now internally used by get_regs() and
clear_regs() only.
(USE_GET_SYSCALL_RESULT_REGS): Do not define.
Use "#ifndef ptrace_getregset_or_getregs"
instead of "#ifdef USE_GET_SYSCALL_RESULT_REGS".
* tests/run.sh: Execute timeout command only when invoked with
an argument, otherwise print an error message.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
As linux kernel provides a compatible linux/ptp_clock.h header since
commit v3.8-rc1~139^2~514, there is no need for a local copy.
* linux/ptp_clock.h: Remove.
* Makefile.am (EXTRA_DIST): Remove it.
* configure.ac (AC_CHECK_TYPES): Check for struct ptp_sys_offset
in <linux/ptp_clock.h>.
* ioctl.c (ioctl_decode) <case '='>: Conditionalize
on [HAVE_STRUCT_PTP_SYS_OFFSET].
* ptp.c: Likewise.
As linux kernel provides a compatible mtd/ubi-user.h header since
commit v3.7-rc1~85^2~17, there is no need for a local copy.
* linux/ubi-user.h: Remove.
* Makefile.am (EXTRA_DIST): Remove it.
* configure.ac (AC_CHECK_MEMBERS): Check
for struct ubi_attach_req.max_beb_per1024 in <mtd/ubi-user.h>.
* ioctl.c (ioctl_decode) <case 'o', case 'O'>: Conditionalize
on HAVE_STRUCT_UBI_ATTACH_REQ_MAX_BEB_PER1024.
* ubi.c: Likewise.
As linux kernel provides a compatible mtd/mtd-abi.h header since
commit v3.2-rc1~14^2~33, there is no need for a local copy.
* linux/mtd-abi.h: Remove.
* Makefile.am (EXTRA_DIST): Remove it.
* configure.ac (AC_CHECK_TYPES): Check for struct mtd_write_req
in <mtd/mtd-abi.h>.
* ioctl.c (ioctl_decode) <case 'M'>: Conditionalize
on [HAVE_STRUCT_MTD_WRITE_REQ].
* mtd.c: Likewise.
* tests/ioctl_mtd.c: Likewise.
* tests/ioctl.c (main): Likewise.
* linux/personality.h: Remove.
* Makefile.am (EXTRA_DIST): Remove it.
* personality.c: Do not include <linux/personality.h>, include
"xlat/personality_flags.h" before "xlat/personality_types.h".
* xlat/personality_flags.in: Provide fallback definitions.
* xlat/personality_types.in: Likewise.
As travis provides a relatively fresh clang by default nowadays,
it makes sense to use default clang in clang-based test builds.
* .travis.yml (matrix): Change clang-3.8 to clang.
Except for the ones that enabled by configure options.
While we are here, let's also change the indentation of while expression
continuation in order to separate it from the following switch clause.
* strace.c (init): Reorder options in getopt() call.
Let's keep child's death routine as minimalistic as possible for the
cases when vfork() is used instead of fork() on systems that lack MMU.
* strace.c (die) <!(strace_tracer_pid == getpid())>: Call _exit().
In order to provide some additional bits of information in weird error
cases or just replace existing usages of __func__/literal function name.
* strace.c (detach): Use perror_func_msg() instead of perror_msg().
(startup_attach, open_dummy_desc, startup_child, test_ptrace_seize): Use
perror_func_msg_and_die() instead of perror_msg_and_die().
(test_ptrace_seize): Use error_func_msg_and_die() instead of
error_msg_and_die().
An error returned by asprintf is a poor excuse for dying.
* unwind.c (asprintf_error_str): New string constant.
(sprint_call_or_error): Replace error_msg_and_die() with
perror_func_msg() and usage of asprintf_error_str for a return value.
(queue_print): Free tmp->output line only if it is not
asprintf_error_str.
Since DPRINTF is simply a macro that provides debugging information
along with some information about printing routine call site, now standard
debug_func_* macros are deemed to be a suitable replacement.
* unwind.c (DPRINTF): Remove.
(build_mmap_cache, delete_mmap_cache, unwind_cache_invalidate,
unwind_print_stacktrace, unwind_captiure_stacktrace): Replace
DPRINTF(fmt, str, ...) with debug_func_msg(fmt, ...)/
* strace.c (alloc_tcb, droptcb, detach, attach_tcb, test_ptrace_seize,
init, startup_tcb): Replace if (debug_flag) error_msg(...) occurrences
with debug_error_msg(...).
(attach_tcb): Replace if (debug_flag) perror_msg(...) with
debug_perror_msg(...).
(cleanup, startup_tcb): Replace if (debug_flag) error_msg(...)
occurrences with debug_func_msg() in attempt to provide additional
information.
In order to reduce boilerplate for the cases when __func__ is desired
to be printed.
* error_prints.h (error_func_msg, perror_func_msg, debug_func_msg,
debug_func_perror_msg, error_func_msg_and_die, perror_func_msg_and_die):
New macro definitions.
* defs.h (debug_flag): Move the declaration...
* error_prints.h (debug_flag): ... here.
(debug_msg, debug_perror_msg): New macro definitions.
Include <stdbool.h> for the debug_flag declaration.
* configure.ac (AC_CHECK_TYPES): Add struct kvm_userspace_memory_region.
* xlat/kvm_mem_flags.in: New file.
* kvm.c: Include print_fields.h.
[HAVE_STRUCT_KVM_USERSPACE_MEMORY_REGION]: Include xlat/kvm_mem_flags.h,
(kvm_ioctl_set_user_memory_region): New function.
(kvm_ioctl) [HAVE_STRUCT_KVM_USERSPACE_MEMORY_REGION]
<KVM_SET_USER_MEMORY_REGION>: Use it.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
From time to time various kernels, old and new, just go nuts
and fail attach-p-cmd.test with the following diagnostics:
12345 --- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---
-12345 chdir("attach-p-cmd.test -p") = -1 ENOENT (No such file or directory)
+12345 syscall_4294967295(0xffe60934, 0x1c0, 0xffe60934, 0x1, 0xffe609b4, 0xffe60a58) = -1 (errno 38)
+12345 chdir("attach-p-cmd.test -p") = -1 ENOSYS (Function not implemented)
Let's workaround this kernel madness by rewriting the test
without use of SIGALRM.
* tests/attach-p-cmd.h: New file.
* tests/Makefile.am (EXTRA_DIST): Add attach-p-cmd.h.
* tests/attach-p-cmd-cmd.c: Include "attach-p-cmd.h".
(write_pidfile, wait_for_peer_invocation): New functions.
(main): Use them.
* tests/attach-p-cmd-p.c: Include <time.h> and "attach-p-cmd.h".
(wait_for_peer_invocation, wait_for_peer_termination): New functions.
(main): Use them. Do not raise SIGALRM, use nanosleep after peer
termination.
glibc between commits glibc-2.25~130 and glibc-2.26~740 had broken
msgctl(IPC_RMID) on hppa: this operation always failed with EINVAL
because of inappropriate use of IPC_64 flag. Similar issues were
fixed on other niche architectures. Let's workaround these issues
by skipping the test in case of msgctl(IPC_RMID) failure.
* tests/ipc_msgbuf.c (cleanup): Change return type to int,
return 77 in case of msgctl(IPC_RMID) failure.
(main): Explicitly invoke cleanup() at the end.
Employing strace -ttt for the logs destined to be fed to
strace-log-merge is ultimately the best solution except for the logs
that pass the following dates:
Thu Jan 1 00:00:09 UTC 1970
Thu Jan 1 00:01:39 UTC 1970
Thu Jan 1 00:16:39 UTC 1970
Thu Jan 1 02:46:39 UTC 1970
Fri Jan 2 03:46:39 UTC 1970
Mon Jan 12 13:46:39 UTC 1970
Sun Apr 26 17:46:39 UTC 1970
Sat Mar 3 09:46:39 UTC 1973
Sun Sep 9 01:46:39 UTC 2001
Sat Nov 20 17:46:39 UTC 2286
Wed Nov 16 09:46:39 UTC 5138
Fri Sep 27 01:46:39 UTC 33658
Sun May 20 17:46:39 UTC 318857
Sat Nov 7 09:46:39 UTC 3170843
Sun Jul 5 01:46:39 UTC 31690708
Sat Jan 25 17:46:39 UTC 316889355
Let's lift this limitation.
* strace-log-merge: Generate numeric-only key for sorting, use sort -n
option.
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>
