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ioctls_sym.sh used to generate and invoke target architecture
executables that limited its applicability.
After this change, the generated code is just compiled to the target
architecture object files and all required information is obtained
from the dwarf sections.
This approach allows to generate ioctl entries for any target
architecture supported by compiler.
* maint/ioctls_sym.awk: New file.
* maint/ioctls_sym.sh (LC_ALL): Define to C and export.
(uname_m): Make configurable.
(CFLAGS): Add -gdwarf-2.
(LDFLAGS): Remove.
Do not use print_ioctlent.c.
Change asm-generic/ioctl.h and asm/ioctl.h hook.
Dump and process dwarf sections of generated object files.
* maint/print_ioctlent.c: Remove.
It is not very useful as of now, but it will allow tracking changes
in fd output once they are implemented.
* tests/gen_tests.in (kcmp-y): New test.
* tests/kcmp-y.c: New file, wrapper for kcmp.c
* tests/kcmp.c: Add opening of some files for which info may be printed
in the future.
* tests/pure_executables.list: Add kcmp-y.
* tests/.gitignore: Likewise.
This is a preparation for the future introduction of cross-NS PID
derivation, which would enable us to print fd information for fds
related to all processes, not just traced ones.
Note the change in output type for idx1/idx2 in KCMP_FILE command from
unsigned to int, it follows printfd output format.
* kcmp.c (printpidfd): New function.
(PRINT_FIELD_PIDFD): New macro.
(SYS_FUNC(kcmp)) <case KCMP_FILE>: Use printpidfd for printing
idx1/idx2, as they are fds, after all.
Let's check all kcmp commands that they indeed do not print idx1/idx2.
Also, check that upper bits of pid arguments are ignored.
* tests/gen_tests.in (kcmp): Decrease -a argument's value from 27 to 22.
* tests/kcmp.c: Add checks for upper bits of pid1/pid2 and for all
kcmp types not tested before.
I see it as a good idea to stick to system headers whenever possible
in order to also check for possible discrepancies between strace's
internal definitions and definitions present in the system headers.
* configure.ac (AC_CHECK_HEADERS): Add linux/kcmp.h.
* tests/kcmp.h [HAVE_LINUX_KCMP_H]: Include <linux/kcmp.h>,
do not define KCMP_FILE and KCMP_SYSVSEM.
uClibc-ng declares program_invocation_name as const.
This causes the build failure below:
error_prints.c:40:14: error: conflicting types for ‘program_invocation_name’
extern char *program_invocation_name;
^~~~~~~~~~~~~~~~~~~~~~~
In file included from error_prints.c:32:0:
.../output/host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/errno.h:54:20: note: previous declaration of ‘program_invocation_name’ was here
extern const char *program_invocation_name, *program_invocation_short_name;
^~~~~~~~~~~~~~~~~~~~~~~
* error_prints.c (program_invocation_name): Declare only in case
of [!HAVE_PROGRAM_INVOCATION_NAME].
* configure.ac (AC_CHECK_TYPES): Check for gnet_stats_basic,
gnet_stats_queue, gnet_stats_rate_est,
and gnet_stats_rate_est64 structures in <linux/gen_stats.h>.
And check for struct tc_sizespec in <linux/pkt_sched.h>.
* nlattr.h (tc_stats): New prototype.
* rtnl_tc.c: Include <linux/gen_stats.h>, <linux/pkt_sched.h>,
"xlat/rtnl_tca_stab_attrs.h" and "xlat/rtnl_tca_stats_attrs.h".
(decode_tc_stats, decode_tc_estimator, decode_gnet_stats_basic,
decode_gnet_stats_rate_est, decode_gnet_stats_queue,
decode_gnet_stats_rate_est64, decode_nla_tc_stats,
decode_tc_sizespec, print_stab_data, decode_tca_stab_data,
decode_tca_stab): New functions.
(tca_stats_nla_decoders, tca_stab_nla_decoders,
tcmsg_nla_decoders): New arrays.
(decode_tcmsg): Use tcmsg_nla_decoders.
* xlat/rtnl_tca_stab_attrs.in: New file.
* xlat/rtnl_tca_stats_attrs.in: Likewise.
* maint/update_copyright_years.sh (DEFAULT_GIT_COMMIT_MESSAGE,
GIT_COMMIT_MESSAGE): New variables.
<-c>: New option, implies -a, calls git commit with GIT_COMMIT_TEMPLATE string
as a template.
In order to provide better diagnostics.
* configure.ac (AM_INIT_AUTOMAKE): Specify minimal GNU Automake version as
1.13 due to usage of AM_EXTRA_RECURSIVE_TARGETS macro.
Closes: https://github.com/strace/strace/issues/11
* tests/nlattr_ifinfomsg.c (IFLA_LINKINFO, IFLA_VF_PORTS,
IFLA_INFO_KIND, IFLA_VF_PORT): New macros.
(main): Check decoding of IFLA_LINKINFO and IFLA_VF_PORTS.
* tests/keyctl.c: Since do_keyctl() has so convoluted calling convention
and keyctl test is so complex, let's try to improve readability a bit
with some conventions regarding do_keyctl() call formatting: arguments
representing single keyctl argument should be put on the separate line,
continuations of arguments related to the same keyctl argument should
have additional indentation and termination 0UL should always be
on a separate line. Also, while we are here, let's add spaces
to two type casts that are missing them.
