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9 Commits

Author SHA1 Message Date
Eugene Syromyatnikov
6eb263c72c kcmp: add KCMP_EPOLL_TFD support 
* configure.ac (AC_CHECK_TYPES): Add check for struct kcmp_epoll_slot.
* kcmp.c (SYS_FUNC(kcmp)) <case KCMP_EPOLL_TFD>: Implement idx1/idx2
argument parsing.
* tests/kcmp.c: Update test.
* xlat/kcmp_types.in (KCMP_EPOLL_TFD): New entry.
 2017-09-17 12:04:11 +00:00
Eugene Syromyatnikov
76cf3b2a98 kcmp: output fds using a separate function 
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.
 2017-09-17 12:04:11 +00:00
Dmitry V. Levin
184e94ba05 Fix a few spacing style issues 
Reported by kernel's checkpatch.pl script.
 2017-06-17 22:54:08 +00:00
Eugene Syromyatnikov
9d095c7860 Add copyright headers 2017-05-22 17:33:51 +00:00
Dmitry V. Levin
50b50e78f6 Remove getarg_klu 
After transition from long to kernel_ulong_t we no longer need
tcp->ext_arg, and therefore a function to access it is also no longer
needed.

* defs.h (getarg_klu): Remove prototype.
* util.c (getarg_klu): Remove.
(printargs): Access tcp->u_arg directly
* bjm.c (SYS_FUNC(init_module)): Likewise.
* clone.c (SYS_FUNC(unshare)): Likewise.
* fadvise.c (SYS_FUNC(fadvise64)): Likewise.
* kcmp.c (SYS_FUNC(kcmp)): Likewise.
* kexec.c (SYS_FUNC(kexec_file_load)): Likewise.
* keyctl.c (SYS_FUNC(keyctl)): Likewise.
* lookup_dcookie.c (SYS_FUNC(lookup_dcookie)): Likewise.
* mem.c (do_mprotect): Likewise.
* mq.c (SYS_FUNC(mq_timedsend), SYS_FUNC(mq_timedreceive)): Likewise.
* pkeys.c (SYS_FUNC(pkey_alloc)): Likewise.
* prctl.c (print_prctl_args, SYS_FUNC(prctl), SYS_FUNC(arch_prctl)):
Likewise.
 2016-12-26 10:43:35 +00:00
Dmitry V. Levin
a2485b86e7 Use kernel_ulong_t instead of unsigned long long where appropriate 
* defs.h (printaddr_ull): Rename to printaddr_klu, change argument
type from unsigned long long to kernel_ulong_t.  All callers updated.
(getarg_ull): Rename to getarg_klu, change return value type
from unsigned long long to kernel_ulong_t.  All callers updated.
(PRI_kl, PRI_kld, PRI_klu, PRI_klx): New macros.
* bjm.c (SYS_FUNC(init_module)): Print kernel_ulong_t type using
PRI_klu format.
* desc.c (SYS_FUNC(pselect6)): Likewise.
* fadvise.c (SYS_FUNC(fadvise64)): Likewise.
* lookup_dcookie.c (SYS_FUNC(lookup_dcookie)): Likewise.
* mq.c (SYS_FUNC(mq_timedsend), SYS_FUNC(mq_timedreceive)): Likewise.
* kcmp.c (SYS_FUNC(kcmp)): Print kernel_ulong_t type using
PRI_klx format.
* keyctl.c (SYS_FUNC(keyctl)): Likewise.
* pkeys.c (SYS_FUNC(pkey_alloc)): Likewise.
* prctl.c (print_prctl_args, SYS_FUNC(prctl), SYS_FUNC(arch_prctl)):
Print kernel_ulong_t type using PRI_kld, PRI_klu, or PRI_klx format.
* util.c (printaddr_ull): Rename to printaddr_klu, change argument
type from unsigned long long to kernel_ulong_t, print it using
PRI_klx format.
(getarg_ull): Rename to getarg_klu, change return value type
from unsigned long long to kernel_ulong_t, print it using
PRI_klx format.
 2016-12-19 19:58:16 +00:00
Dmitry V. Levin
63c27873b6 kcmp: print index parameters of unknown commands as kernel_ulong_t 
* lookup_dcookie.c (SYS_FUNC(kcmp)): Use getarg_ull to retrieve idx1
and idx2, print them using %#llx format in case of unknown command.
 2016-10-28 18:40:10 +00:00
Dmitry V. Levin
38a34c9349 Add copyright headers to some files which lack them 
Before this change, all files that exist since 20th century had
copyright headers, while most files that appeared later didn't.  This
change fixes the inconsistency by adding missing copyright headers.

It doesn't mean that copyright headers became maintained.  In my view,
git history provides much better information on this subject and is much
more accurate than copyright headers.
 2015-12-17 17:56:48 +00:00
Dmitry V. Levin
7aa9c0d299 Implement kcmp syscall decoding 
* kcmp.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* linux/dummy.h (sys_kcmp): Remove stub alias.
* xlat/kcmp_types.in: New file.
 2015-11-22 23:10:12 +00:00