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* aio.c (tprint_lio_opcode): Decrement xlat size by one to account
for XLAT_END as other users of indexed xlats do.
Fixes: v4.24~71 "aio: print IOCB_CMD_* using xlat"
strace is now provided under the terms of the GNU Lesser General
Public License version 2.1 or later, see COPYING for more details.
strace test suite is now provided under the terms of the GNU General
Public License version 2 or later, see tests/COPYING for more details.
* xlat/aio_cmds.in: New file.
* aio.c (tprint_lio_opcode): Change array of structs "cmds" to array of
enums "subs", use printxval_indexn_ex for printing cmd, return sub type
using subs array.
Introduced by Linux commit v4.17-rc3-7-g7a074e9.
* print_aio_sigset.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* aio.c (print_io_getevents): Rename from SYS_FUNC(io_getevents), add
has_usig flag, print user sigset on exiting if has_usig is set to true.
(SYS_FUNC(io_getevents), SYS_FUNC(io_pgetevents)): New functions,
wrappers for print_io_getevents.
* linux/32/syscallent.h ([292]): Wire up io_pgetevents.
* linux/64/syscallent.h ([292]): Likewise.
* linux/i386/syscallent.h ([385]): Likewise.
* linux/x32/syscallent.h ([333]): Likewise.
* linux/x86_64/syscallent.h ([333]): Likewise.
* NEWS: Mention this improvement.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
This also fixes output correctness for struct iocb.
* aio.c: Include "print_fields.h".
(print_common_flags, print_iocb_header, print_iocb, print_io_event):
Use PRINT_FIELD_D, PRINT_FIELD_U, PRINT_FIELD_X, PRINT_FIELD_FD,
and PRINT_FIELD_STRN.
* tests/aio.c (main): Update expected output.
The formerly used format string %x led to misleading output as there was
no clear indication sometimes whether the printed integer was decimal or
hexadecimal.
* aio.c (print_common_flags): Print struct iocb.aio_flags using %#x
format specifier instead of %x.
* tests/aio.c (main): Likewise.
Remove temporary types created for transition from long
to kernel_ulong_t.
Automatically replace kernel_scno_t and kernel_ureg_t with
kernel_ulong_t using
$ git grep -El 'kernel_(scno|ureg)_t' |
xargs sed -ri 's/kernel_(scno|ureg)_t/kernel_ulong_t/g'
* kernel_types.h (kernel_scno_t, kernel_ureg_t): Remove.
All users updated.
As about half of all printstr uses cases are invocations with the last
argument set to -1, create a dedicated function for this use case.
* defs.h (printstr): Rename to printstrn. All callers updated.
(printstr): New static inline function. All callers updated.
As aio_context_t is treated by the kernel as a pointer,
print it using printaddr.
* aio.c (SYS_FUNC(io_setup)): Print the pointer to aio_context_t
argument using printnum_ptr.
(SYS_FUNC(io_destroy), SYS_FUNC(io_submit), SYS_FUNC(io_cancel),
SYS_FUNC(io_getevents)): Print aio_context_t argument using printaddr.
* tests/aio.c (sprint_aio_context_t): Remove.
(main): Update expected output.
struct iocb contains two fields with fd semantics: aio_fildes and
aio_resfd. It is quite reasonable to use the appropriate function for
printing them (apart from just "%d").
* aio.c (print_common_flags): Add struct tcb pointer to parameter list;
use printfd for printing aio_resfd field.
(print_iocb_header): Add struct tcb pointer to parameter list;
use printfd for printing aio_fildes field.
(print_iocb): Provide tcp argument to print_iocb_header
and print_common_flags.
(SYS_FUNC(io_cancel)): Likewise.
Introduce a new type iov_decode which will be used instead of the integer
"decode" as a parameter.
* defs.h (iov_decode): New enum.
(tprint_iov, tprint_iov_upto): Change type of "decode_iov" to enum iov_decode.
* aio.c (print_iocb): Change type of "decode_iov" to enum iov_decode in
tprint_iov() call.
* keyctl.c (keyctl_instantiate_key_iov): Likewise.
* process.c (ptrace): Likewise.
* process_vm.c (process_vm_readv, process_vm_writev): Likewise.
* io.c (writev, do_pwritev, vmsplice): Likewise.
(print_iovec): Replace the condition with a switch.
(tprint_iov_upto): Change type of "decode_iov" to enum iov_decode.
(readv, do_preadv): Change type of "decode_iov" to enum iov_decode in
tprint_iov_upto() call.
* scsi.c (print_sg_io_v3_req, print_sg_io_v3_res, print_sg_io_v4_req,
print_sg_io_v4_res): Likewise.
* net.c (do_msghdr): Adapt call of tprint_iov_upto().
* aio.c (print_iocbp): New function.
(SYS_FUNC(io_submit)): Use it via print_array. Use widen_to_long
to process long int argument.
(print_io_event): Change to print struct io_event fetched elsewhere.
(SYS_FUNC(io_cancel)): Update use of print_io_event.
(SYS_FUNC(io_getevents)): Use print_io_event via print_array.
Use widen_to_long to print long int arguments.
* tests/aio.c (main): Check decoding of io_submit with negative "nr".
Rename the recently added function to reflect what kind of data type
it actually deals with: unsigned long int, without sign extension.
* defs.h (umove_long_or_printaddr): Rename to umove_ulong_or_printaddr,
chage 3rd argument to unsigned long *.
* util.c (umove_long_or_printaddr): Likewise.
* aio.c (sys_io_submit): Update callers.
Introduce a new helper function to fetch tracee's long integers
and use it to fix multiple personalities support in io_submit parser.
* defs.h (umove_long_or_printaddr): New prototype.
* util.c (umove_long_or_printaddr): New function.
* aio.c (sys_io_submit): Use it to fetch tracee's pointers.
* tests/aio.c: New file.
* tests/aio.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add aio.
(TESTS): Add aio.test.
* tests/.gitignore: Add aio.
* aio.c (sys_io_setup): Use printnum_int64 and printnum_long.
(sys_io_destroy, sys_io_submit): Update for RVAL_DECODED.
(sys_io_submit): Use umove_or_printaddr and printaddr.
Enclose iocb array in square brackets.
Change to traditional structure output format.
(print_io_event): New function.
(sys_io_cancel, sys_io_getevents): Use it.
(sys_io_cancel): Use umove_or_printaddr and printaddr.
(sys_io_getevents): Use printaddr.
* aio.c (print_common_flags): Use #ifdef in the check for
HAVE_STRUCT_IOCB_U_C_FLAGS.
* defs.h: Use #ifdef in the check for HAVE_LITTLE_ENDIAN_LONG_LONG.
* net.c: Use #ifdef in the check for HAVE_SENDMSG.
* syscall.c (dumpio): Likewise.
* printstat.h (DO_PRINTSTAT): Use #ifdef in checks for
HAVE_STRUCT_STAT_ST_* macros.
* util.c: Use #ifdef in checks for HAVE_SYS_XATTR_H.
Introduce SYS_FUNC macro to declare and define all syscall parsers.
* Makefile.am (BUILT_SOURCES, CLEANFILES): Add sys_func.h.
(sys_func.h): New rule.
* defs.h (SYS_FUNC_NAME, SYS_FUNC): New macros.
* linux/syscall.h: Include "sys_func.h".
[NEED_UID16_PARSERS]: Use SYS_FUNC to declare uid16 syscall parsers.
Remove other declarations.
* linux/alpha/syscallent.h (160, 161): Add sys_ prefix to osf_statfs
and osf_fstatfs syscall parsers.
* *.c: Use SYS_FUNC to define syscall parsers.
Stop using an outdated partial copy of libaio.h, switch back to external
libaio.h from libaio.
This partially reverts commit 2df03c494eb3c36c4178eba35c374831031d1a58.
* aio.c: Drop a partial copy of libaio.h, include <libaio.h> instead.
(print_common_flags): Check for HAVE_STRUCT_IOCB_U_C_FLAGS.
(sys_io_submit): Check for HAVE_DECL_IO_CMD_PWRITE and
HAVE_DECL_IO_CMD_PWRITEV.
* configure.ac: Check for libaio.h and declaration it provides.
