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Dmitry V. Levin a1e94e9c7a Remove HAVE_STRUCT_TCB_EXT_ARG, ext_arg, and u_lrval
After transition from long to kernel_ulong_t these fields
are no longer needed.

* defs.h (HAVE_STRUCT_TCB_EXT_ARG): Remove.
(struct tcb) [HAVE_STRUCT_TCB_EXT_ARG]: Remove.
[HAVE_STRUCT_TCB_EXT_ARG]: Remove.
(RVAL_MASK): Update.
* io.c (print_lld_from_low_high_val): Check
[SIZEOF_KERNEL_LONG_T > SIZEOF_LONG]
instead of [HAVE_STRUCT_TCB_EXT_ARG].
Use u_arg instead of ext_arg.
* linux/mips/get_error.c (get_error) [LINUX_MIPSN32]: Remove.
* linux/mips/get_syscall_args.c (get_syscall_args) [LINUX_MIPSN32]:
Remove.
[LINUX_MIPSN64]: Extend to [LINUX_MIPSN32].
* linux/x86_64/get_error.c (get_error) [X32]: Remove.
* linux/x86_64/get_syscall_args.c (get_syscall_args) [X32]: Remove.
* lseek.c: Check [SIZEOF_KERNEL_LONG_T > SIZEOF_LONG]
instead of [HAVE_STRUCT_TCB_EXT_ARG].
[SIZEOF_KERNEL_LONG_T > SIZEOF_LONG] (SYS_FUNC(lseek)): Use u_arg
instead of ext_arg.  Use RVAL_UDECIMAL instead of RVAL_LUDECIMAL.
* mem.c (SYS_FUNC(mmap)): Pass offset syscall argument directly
to print_mmap.
* syscall.c (trace_syscall_exiting) [HAVE_STRUCT_TCB_EXT_ARG]: Remove.
* times.c (SYS_FUNC(times)): Use RVAL_UDECIMAL instead
of RVAL_LUDECIMAL.
* util.c (getllval): Check [SIZEOF_KERNEL_LONG_T > SIZEOF_LONG]
instead of [HAVE_STRUCT_TCB_EXT_ARG].  Use u_arg instead of ext_arg.
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This is strace -- a diagnostic, debugging and instructional userspace utility for Linux. It is used to monitor interactions between processes and the Linux kernel, which include system calls, signal deliveries, and changes of process state. The operation of strace is made possible by the kernel feature known as ptrace.

strace is released under a Berkeley-style license at the request of Paul Kranenburg; see the file COPYING for details.

See the file NEWS for information on what has changed in recent versions.

Please send bug reports and enhancements to the strace mailing list.

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