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We do our best to keep copyright headers up to date, yet
git history provides better information on this subject
and is more accurate than copyright headers.
By very popular demand.
While we are here, let's refactor the condition for old_mmap_pgoff into
an arch-specific one, as it is used more than in one place.
* NEWS: Mention this.
* strace.1.in (.SH "MULTIPLE PERSONALITY SUPPORT"): Likewise.
* configure.ac (case "$host_cpu" in) <s390x>: Set arch_m32 to s390, set
cc_flags_m32 to -m31.
(st_MPERS([m32])): Add s390x.
* defs.h [S390X]: Define NEED_UID16_PARSERS.
* linux/s390/arch_sigreturn.c [!S390_FRAME_PTR] (S390_FRAME_PTR): New
macro, define to s390_frame_ptr.
[!SIGNAL_FRAMESIZE] (SIGNAL_FRAMESIZE): New macro, define to
__SIGNAL_FRAMESIZE.
[!PTR_TYPE] (PTR_TYPE): New macro, define to unsigned long.
(arch_sigreturn): Use S390_FRAME_PTR, SIGNAL_FRAMESIZE, and PTR_TYPE
instead of s390_frame_ptr, __SIGNAL_FRAMESIZE, and pointer-sized type,
respectively.
* linux/s390/get_error.c [!ARCH_REGSET] (ARCH_REGSET): New macro, define
* to s390_regset.
(get_error): Use it instead of s390_regset.
* linux/s390/get_scno.c (arch_get_scno): Likewise.
* linux/s390/get_syscall_args.c (get_syscall_args): Likewise.
* linux/s390/set_error.c (arch_set_error, arch_set_success): Likewise.
* linux/s390/set_scno.c (arch_set_scno): Likewise.
* linux/s390x/arch_regs.c (psw_compat_t, s390_compat_regs,
s390x_regs_union, s390_frame_ptr, s390x_frame_ptr, s390x_io): New
variables.
(s390_regset, s390x_regset, ARCH_REGS_FOR_GETREGSET,
ARCH_IOVEC_FOR_GETREGSET, ARCH_PC_REG, ARCH_PERSONALITY_0_IOV_SIZE,
ARCH_PERSONALITY_1_IOV_SIZE): New macros.
* linux/s390x/arch_regs.h (s390_frame_ptr, s390x_frame_ptr): New
prototypes.
* linux/s390x/arch_rt_sigframe.c: Conditionalize on tcp->currpers.
* linux/s390x/arch_sigreturn.c: Likewise.
* linux/s390x/get_error.c: Likewise.
* linux/s390x/get_scno.c: Likewise.
* linux/s390x/get_syscall_args.c: Likewise.
* linux/s390x/set_error.c: Likewise.
* linux/s390x/set_scno.c: Likewise.
* linux/s390x/errnoent1.h: New file.
* linux/s390x/ioctls_arch1.h: Likewise.
* linux/s390x/ioctls_inc1.h: Likewise.
* linux/s390x/signalent1.h: Likewise.
* linux/s390x/syscallent1.h: Likewise.
* Makefile.am (EXTRA_DIST): Add new files added to linux/s390x.
* supported_personalities.h [S390X] (SUPPORTED_PERSONALITIES): Define
to 2.
* tests/strace-V.test: Add s390 to the list of architectures that have
m32 personality.
* linux/s390/arch_defs.h (HAVE_ARCH_OLD_MMAP_PGOFF): New macro.
* linux/s390x/arch_defs.h: Likewise.
* mem.c: Replace #ifdef S390 with #ifdef HAVE_ARCH_OLD_MMAP_PGOFF.
* pathtrace.c: Likewise.
