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Convert explicit constant printing logic into a printxval call in order
to account for xlat style setting.
* defs.h (ipc_private): New xlat array declaration.
* ipc_msg.c (SYS_FUNC(msgget)): Use printxval for printing IPC_PRIVATE.
* ipc_sem.c (SYS_FUNC(semtimedop)): Likewise.
* ipc_shm.c (SYS_FUNC(shmget)): Likewise.
* xlat/ipc_private.in: New file.
Remove temporary macros created for transition from long
to kernel_ulong_t.
Automatically replace PRI_kr[dux] with PRI_kl[dux] using
$ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g'
* defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
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.
Prepare for the change of kernel_ureg_t and kernel_scno_t from
unsigned long to kernel_ulong_t.
* defs.h (PRI_krd, PRI_kru, PRI_krx): New temporary macros.
All users updated.
According to POSIX, nsops argument of semop syscall has type size_t,
but the kernel treats nsops argument of semop and semtimedop syscalls
as unsigned int.
* ipc_sem.c (tprint_sembuf_array): Change type of "count" argument
from unsigned long to unsigned int, print it using %u format.
* ipc_msgctl.c (SYS_FUNC(msgctl)): As msqid argument is treated as int
by the kernel, cast it to int and print it using %d format.
* ipc_sem.c (SYS_FUNC(semop), SYS_FUNC(semtimedop)): Likewise,
for semid argument.
(SYS_FUNC(semget)): Likewise, for nsems argument.
(SYS_FUNC(semctl)): Likewise, for semid and semnum arguments.
* ipc_shm.c (SYS_FUNC(shmat)): Likewise, for shmid argument.
* ipc_shmctl.c (SYS_FUNC(shmctl)): Likewise.
* ipc_msg.c (SYS_FUNC(msgget)): As key_t type in the kernel
is __kernel_key_t (i.e. int), cast key_t argument to int
and print it using %#x format.
* ipc_sem.c (SYS_FUNC(semget)): Likewise.
* ipc_shm.c (SYS_FUNC(shmget)): Likewise.
* tests/ipc_msg.c (main): Test it.
* tests/ipc_sem.c (main): Likewise.
* tests/ipc_shm.c (main): Likewise.
On sparc64, unlike all other architectures where semctl is an indirect
ipc subcall, the forth argument is passed directly.
* ipc_sem.c (SYS_FUNC(semctl)) [SPARC64]: Print 4th argument without
indirection in case of native personality.
* ipc_sem.c (print_sembuf): Explicitly cast struct sembuf.sem_flg
to unsigned short to avoid potential sign-extension bug when printing
invalid struct sembuf.sem_flg.
Some systems (like Bionic) omit support for SysV related code. That
means no C library headers for strace to include. Add configure tests
to probe the headers from the kernel and use them when they are
available.
It might make more sense to never rely on the C library's headers as
there is no guarantee or requirement that the structure layout between
apps and the C library match that what is passed to the kernel.
* configure.ac (AC_CHECK_HEADERS): Check for linux/ipc.h,
linux/mqueue.h, linux/msg.h, linux/sem.h, linux/shm.h,
sys/ipc.h, sys/msg.h, sys/sem.h, and sys/shm.h.
* ipc_defs.h: Include <sys/ipc.h> or <linux/ipc.h> depending
on what is available.
* ipc_msg.c: Replace <sys/ipc.h> with "ipc_defs.h".
Fallback to <linux/msg.h> when available.
* ipc_msgctl.c: Include <sys/msg.h>, <asm/msgbuf.h>, or <linux/msg.h>
based on what is available. Note missing support for old ipc structs.
* ipc_sem.c: Include <sys/sem.h> or <linux/sem.h> depending
on what is available. Only decode sembuf when available.
* ipc_shm.c: Fallback to <linux/shm.h> when available.
* ipc_shmctl.c: Include <sys/shm.h>, <asm/shmbuf.h>, or <linux/shm.h>
based on what is available. Note missing support for old ipc structs.
* print_mq_attr.c: Fallback to <linux/mqueue.h> when available.
