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Since the defs.h contains unrelated declarations which are
redundant (and sometimes conflicting) for other binaries included
in the strace package, move SUPPORTED_PERSONALITIES defintions
to a separate file.
* defs.h: Include "supported_personalities.h".
(SUPPORTED_PERSONALITIES): Move ...
* supported_personalities.h: ... to the new file.
* Makefile.am (strace_SOURCES): Add it.
Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Make string_to_uint* functions available to other binaries
included in the strace package.
* string_to_uint.h: New file.
* defs.h: Include it.
(string_to_uint_ex, string_to_uint_upto, string_to_uint): Move
to string_to_uint.h.
* util.c (string_to_uint_ex, string_to_uint): Move ...
* string_to_uint.c: ... to the new file.
* Makefile.am (strace_SOURCES): Add string_to_uint.h and string_to_uint.c.
Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* netlink_route.h: New file.
* rtnl_link.c: Likewise.
* Makefile.am (strace_SOURCES): Add them.
* defs.h (arp_hardware_types, iffflags): New xlat prototypes.
* netlink_route.c: Include "netlink_route.h"
and <linux/rtnetlink.h>.
(netlink_route_decoder_t): New typedef.
(route_decoders): New array.
(decode_netlink_route): Use it.
Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
Avoid proliferation of exactly the same definitions of shorthand
notations for macros defined in sysent.h by moving definitions
and undefs of these shorthand notations to separate files.
* sysent_shorthand_defs.h: New file.
* sysent_shorthand_undefs.h: Likewise.
* Makefile.am (strace_SOURCES): Add them.
* syscall.c: Use them.
Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
In order to allow usage of utility functions by other binaries
included in the strace package (like the upcoming asinfo utility),
these functions should be moved to separate files.
* error_prints.h: New file.
* xmalloc.h: Likewise.
* defs.h: Include "xmalloc.h" and "error_prints.h".
(error_msg, error_msg_and_die, error_msg_and_help, perror_msg,
perror_msg_and_die): Move to error_prints.h.
(xcalloc, xmalloc, xreallocarray, xstrdup, xstrndup): Move to xmalloc.h.
* strace.c (die): Remove static quialifier to make visible
by error_prints.c.
(error_msg, error_msg_and_die, error_msg_and_help, perror_msg,
perror_msg_and_die, verror_msg): Move ...
* error_prints.c: ... to the new file.
* xmalloc.c: Include "config.h", <stdlib.h>, <string.h>,
"error_prints.h", and "xmalloc.h" instead of "defs.h".
Use int instead of bool. Fix codestyle.
* Makefile.am (strace_SOURCES): Add error_prints.c, error_prints.h,
and xmalloc.h.
Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
This change also exports add_number_to_set, qualify_tokens,
and qualify_syscall_tokens.
* basic_filters.c: New file, part of qualify.c.
* filter_qualify.c: Likewise.
* filter.h: New file.
* qualify.c: Remove.
* Makefile.am (strace_SOURCES): Add new files, remove qualify.c.
This solves potential issues when tests run first and strace is rebuilt
only after they have finished. As noted in [1], providing the current
directory explicitly should help.
[1] https://www.gnu.org/software/automake/manual/html_node/Subdirectories.html
* Makefile.am (SUBDIRS): Prepend the current directory.
These functions are more kernel-specific compared to all other functions
defined in util.c.
* ucopy.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* util.c (umoven, umovestr): Move to ucopy.c.
* m4/ax_code_coverage.m4: Update to serial 24. In particular,
this version has no lcov version check.
* Makefile.am (strace_LDADD): Rename CODE_COVERAGE_LDFLAGS
to CODE_COVERAGE_LIBS.
Move is_negated_errno() to a separate new header file negated_errno.h
and include it just for architectures which require it.
is_negated_errno() is not used on those architectures
that have a dedicated register to signal a syscall error.
The issue was raised when compiling with clang, which is more
strict regarding semantics of unused static inline functions
defined in C files and will issue a -Wunused-function warrning
if they are not used anywhere.
* syscall.c (is_negated_errno): Move to ...
* negated_errno.h: ... new file.
* Makefile.am (strace_SOURCES): Add it.
* linux/aarch64/get_error.c: Include it.
* linux/arc/get_error.c: Likewise.
* linux/arm/get_error.c: Likewise.
* linux/avr32/get_error.c: Likewise.
* linux/bfin/get_error.c: Likewise.
* linux/crisv10/get_error.c: Likewise.
* linux/hppa/get_error.c: Likewise.
* linux/i386/get_error.c: Likewise.
* linux/ia64/get_error.c: Likewise.
* linux/m68k/get_error.c: Likewise.
* linux/metag/get_error.c: Likewise.
* linux/microblaze/get_error.c: Likewise.
* linux/or1k/get_error.c: Likewise.
* linux/riscv/get_error.c: Likewise.
* linux/s390/get_error.c: Likewise.
* linux/sh/get_error.c: Likewise.
* linux/sh64/get_error.c: Likewise.
* linux/tile/get_error.c: Likewise.
* linux/x86_64/get_error.c: Likewise.
* linux/xtensa/get_error.c: Likewise.
The size of struct group_req depends on alignment of long and therefore
has to be mpersified.
* print_group_req.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* net.c (print_group_req): Move to print_group_req.c, wrap into
MPERS_PRINTER_DECL.
* 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.
Linux socket filter uses almost the same classic BPF as seccomp filter,
The only difference noticeable from strace PoV is the meaning of generic
multiuse field.
Transform the parser of seccomp filters to a more generic parser
of classic BPF, parametrized with a method of parsing the generic
multiuse field in BPF_STMT.
* bpf_filter.c: New file.
* bpf_filter.h: Likewise.
* bpf_fprog.h: Likewise.
* bpf_seccomp_filter.c: Likewise.
* fetch_bpf_fprog.c: Likewise.
* fetch_seccomp_fprog.c: Remove.
* seccomp_fprog.h: Likewise.
* Makefile.am (strace_SOURCES): Add bpf_filter.c, bpf_filter.h,
bpf_fprog.h, bpf_seccomp_filter.c, and fetch_bpf_fprog.c.
Remove fetch_seccomp_fprog.c and seccomp_fprog.h.
* seccomp.c: Do not include linux/filter.h and xlat header files.
Do not define SECCOMP_RET_ACTION.
(bpf_filter, decode_bpf_code, decode_bpf_stmt, decode_bpf_jump,
print_bpf_filter, print_seccomp_fprog, print_seccomp_filter): Remove.
* defs.h (print_seccomp_filter): Rename to decode_seccomp_fprog.
(SYS_FUNC(seccomp)): Replace print_seccomp_filter
with decode_seccomp_fprog.
* prctl.c (SYS_FUNC(prctl)): Likewise.
Introduce a separate header file for generic macros shared between
strace and its tests. Start this unification with ARRAY_SIZE macro.
* defs.h: Include "macros.h".
(ARRAY_SIZE): Move ...
* macros.h: ... to new file.
* Makefile.am (strace_SOURCES): Add it.
* tests/tests.h: Include "macros.h".
(ARRAY_SIZE): Remove. All callers updated.
xlat tables are usually generated at build time.
printxval is suitable for printing struct nlmsghdr.nlmsg_type for
NETLINK_GENERIC protocol. However, the corresponding xlat table
cannot be defined at build time because the values are registered
by the kernel at run time.
This change introduces dyxlat functions for building xlat tables
dynamically. The primary use case is decoding nlmsg_type but this
interface can be used for other purposes.
* defs.h (struct dyxlat): New opaque data type.
(dyxlat_alloc, dyxlat_free, dyxlat_add_pair): New function declarations.
* dyxlat.c: New file.
* Makefile.am (strace_SOURCES): Add it.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* linux/smc_diag.h: New file.
* Makefile.am (EXTRA_DIST): Add it.
* netlink_sock_diag.c: Include <linux/smc_diag.h>,
"xlat/smc_diag_extended_flags.h" and "xlat/smc_states.h".
(decode_smc_diag_req, decode_smc_diag_msg): New functions.
(diag_decoders): Add AF_SMC.
* xlat/smc_diag_extended_flags.in: New file.
* xlat/smc_states.in: Likewise.
* defs.h (netlink_decoder_t): New typedef.
(DECL_NETLINK): New macro.
(decode_netlink_sock_diag): New prototype.
* netlink.c (netlink_decoders): New array.
(decode_payload): Use it to invoke netlink family specific decoders.
* netlink_sock_diag.c: New file.
* Makefile.am (strace_SOURCES): Add it.
Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
Co-authored-by: JingPiao Chen <chenjingpiao@gmail.com>
Also do not include them into release tarballs. These files are
intended for developers who are expected to use a git repository.
* errnoent.sh: Move to maint subdirectory.
* signalent.sh: Likewise.
* syscallent.sh: Likewise.
* HACKING-scripts: Update.
* Makefile.am (EXTRA_DIST): Remove errnoent.sh, signalent.sh,
and syscallent.sh.
These files are intended for developers who are expected to use
a git repository.
* Makefile.am (EXTRA_DIST): Remove maint/ioctls_gen.sh,
maint/ioctls_hex.sh, maint/ioctls_sym.sh, and maint/print_ioctlent.c.
This solves problems like the need to update test suite on every
New Year's Eve.
* Makefile.am (dist-hook): Generate .year.
* copyright-year-gen: New file.
* configure.ac (copyright_year): New m4 variable, defined as the output
of copyright-year-gen script.
(AC_COPYRIGHT): Use it.
(COPYRIGHT_YEAR): New output variable and preprocessor macro.
* strace.c (print_version): Use COPYRIGHT_YEAR.
* strace.spec.in (%prep): Save the value of COPYRIGHT_YEAR autoconf
variable to .year file.
* tests/strace-V.test (config_year): New variable, derived from config.h.
Add sanity checks for $config_year and use it in expected output.
Reported-by: Andreas Schwab <schwab@suse.de>
As there is no sigreturn syscall on ia64, mips n32, mips n64, x32,
and x86_64, no longer used parsers could be safely removed.
* linux/ia64/arch_sigreturn.c: Remove.
* Makefile.am (EXTRA_DIST): Remove it.
* linux/mips/arch_sigreturn.c (arch_sigreturn): Remove [!LINUX_MIPSO32].
* linux/x86_64/arch_sigreturn.c (arch_sigreturn): Remove.
