* sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Use
libc_hidden_def.
* sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/setfpucw.c: Use libc_hidden_proto
on them.
* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
* sysdeps/alpha/elf/start.S: Likewise. Remove pointless allocation.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Use standard ldgp
entry sequence and explicit relocs. Add unwind info for sigreturn
and rt_sigreturn.
* configure.in (libc_cv_asm_cfi_directives): Test .cfi_remember_state.
* configure: Regenerate.
* Makerules: Always use -MP together with -MD.
(sed-remove-dotot): Substitute $(..) also at start of line.
($(stdio_lim:h=st)): Use -MD instead of SUNPRO_DEPENDENCIES.
Generated defines with a single compiler call.
Use $(sed-remove-dotdot).
* mach/Makefile ($(objpfx)mach-syscalls.mk): Use -MD instead
of DEPENDENCIES_OUTPUT, and use $(sed-remove-objpfx).
* sysdeps/unix/sysv/linux/Makefile ($(objpfx)syscall-%.h):
Use -MD instead of SUNPRO_DEPENDENCIES, and use $(sed-remove-objpfx).
* sysdeps/unix/sysv/linux/mips/Makefile
($(objpfx)syscall-%.h): Likewise.
* sysdeps/unix/sysv/linux/mips/sigcontextinfo.h: Port to n32/n64.
* sysdeps/unix/sysv/linux/mips/bits/sigcontext.h: New.
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Port to n32/n64.
(mcontext_t): Make it match the 32-bit mips kernel in o32.
* sysdeps/unix/sysv/linux/mips/sys/user.h: Bring in constants from
the mips and mips64 headers.
(struct user): Port to n32/n64.
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
* sysdeps/unix/sysv/linux/mips/mips64/n32/truncate64.c: New.
* sysdeps/unix/sysv/linux/kernel-features.h: fcntl64 is available
on mips n32.
* sysdeps/unix/sysv/linux/mips/kernel_stat.h: Explain why
XSTAT_IS_XSTAT64 must not be used for mips n64. Use 64-bit data
structure on n32 as well.
* sysdeps/unix/sysv/linux/mips/bits/stat.h: Use POSIX-compliant
data types on n32 and n64.
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_VFORK_SYSCALL): Define for kernel 2.4 on arm.
* sysdeps/unix/sysv/linux/arm/vfork.S: Elide compatibility code
when __ASSUME_VFORK_SYSCALL is defined.
* sysdeps/unix/sysv/linux/arm/mmap64.S: Likewise for
__ASSUME_MMAP2_SYSCALL.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise for
__ASSUME_REALTIME_SIGNALS.
Define.
* sysdeps/mips/sys/asm.h: Test _MIPS_ISA against them on all
ISA tests.
(ALSZ, ALMASK, SZREG, REG_S, REG_L): Define based on ABI, not ISA.
(PTR_ADD, etc): Test _MIPS_SZPTR instead of _MIPS_SZLONG.
* sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Use _MIPS_SZPTR
to decide whether to add padding.
* sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Use _MIPS_SZPTR
to decide whether to add padding.
* sysdeps/unix/sysv/linux/mips/kernel_sigaction.h (struct
old_kernel_sigaction): Likewise.
into high and low halves on n64.
* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.