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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.
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.
* 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.
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.
Make parser of msgctl syscall print struct msqid_ds.
* ipc_msgctl.c (msqid_ds_t): New typedef. Mpersify it.
(print_msqid_ds): New function. Use msqid_ds_t.
(sys_msgctl): Use print_msqid_ds.
* tests/ipc_msg.c: Update for struct msqid_ds support.
