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2014-05-29 Richard Henderson <rth@twiddle.net>
* sysdeps/unix/sysv/linux/aarch64/sysdep.h [NOT_IN_libc]
(SYSCALL_ERROR_HANDLER): Use tpidr_el0 instead of a call
to __errno_location.
* sysdeps/unix/sysv/linux/aarch64/nptl/localplt.data (libpthread.so):
Remove the expected plt for __errno_location.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h
[NOT_IN_libc] (SINGLE_THREAD_P): Use tpidr_el0 instead of a
call to __read_tp.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO):
Always allocate 64 bytes of stack frame. Use ldp/stp to create
it and break it down.
(DOCARGS_0, DOCARGS_1): Do nothing.
(DOCARGS_2): Update to store into the new stack frame.
(DOCARGS_3, DOCARGS_4, DOCARGS_5, DOCARGS_6): Likewise.
(UNDOCARGS_1): Update to restore from the new stack frame.
(UNDOCARGS_2, UNDOCARGS_3, UNDOCARGS_4): Likewise.
(UNDOCARGS_5, UNDOCARGS_6): Likewise.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h
(SINGLE_THREAD_P): New parameter for result regno.
(PSEUDO): Update to match; use cbz instead of beq.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO):
Use ENTRY to define the _nocancel entry point. Share the syscall
and syscall error check paths with the cancel path.
(PSEUDO_END): New.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h: Adjust
whitespace; tabs before and after asm mnemonics.
2014-05-26 Kyle McMartin <kyle@redhat.com>
[BZ #16796]
* sysdeps/aarch64/nptl/tls.h: increase TCB alignment to the
alignment of struct pthread.
2014-05-25 Richard Henderson <rth@twiddle.net>
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h
(SINGLE_THREAD_P_PIC): Remove.
2014-05-21 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (PSEUDO_RET): Move
branch to syscall error ...
(PSEUDO): ... here.
[NOT_IN_libc] (SYSCALL_ERROR_HANDLER): Rename the label
from __local_syscall_error to .Lsyscall_error.
[!NOT_IN_libc] (SYSCALL_ERROR_HANDLER): Branch to __syscall_error.
(SYSCALL_ERROR): Update label name.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO):
Do not use DOARGS/UNDOARGS.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (DO_CALL): Likewise.
(DOARGS_0, DOARGS_1, DOARGS_2, DOARGS_3): Remove.
(DOARGS_4, DOARGS_5, DOARGS_6, DOARGS_7): Remove.
(UNDOARGS_0, UNDOARGS_1, UNDOARGS_2, UNDOARGS_3): Remove.
(UNDOARGS_4, UNDOARGS_5, UNDOARGS_6, UNDOARGS_7): Remove.
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h
(SINGLE_THREAD_P): Use the correct width load. Fold
into the ldr offset.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h [RTLD_PRIVATE_ERRNO]
(SYSCALL_ERROR_HANDLER): Fold add insn into str offset.
2014-06-02 Wilco <wdijkstr@arm.com>
* sysdeps/aarch64/fpu/fpu_control.h (_FPU_SETCW): Remove ISB after
FPCR write.
2014-06-02 Wilco <wdijkstr@arm.com>
[BZ #17009]
* sysdeps/aarch64/fpu/feupdateenv (feupdateenv):
Rewrite to reduce FPCR/FPSR accesses.
2014-05-20 Will Newton <will.newton@linaro.org>
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO):
Test the return value of the system call in the nocancel case.
2014-05-20 Will Newton <will.newton@linaro.org>
Yvan Roux <yvan.roux@linaro.org>
* sysdeps/unix/sysv/linux/aarch64/sys/user.h: Remove unused
#include of asm/ptrace.h.
(PTRACE_GET_THREAD_AREA): Remove #undef.
(PTRACE_GETHBPREGS): Likewise.
(PTRACE_SETHBPREGS): Likewise.
(struct user_regs_struct): New structure.
(struct user_fpsimd_struct): New structure.
* sysdeps/unix/sysv/linux/aarch64/sys/procfs.h: Remove unused
#include of asm/ptrace.h and second #include of sys/user.h.
(PTRACE_GET_THREAD_AREA): Remove #undef.
(PTRACE_GETHBPREGS): Likewise.
(PTRACE_SETHBPREGS): Likewise.
(ELF_NGREG): Use new struct user_regs_struct.
(elf_fpregset_t): Use new struct user_fpsimd_struct.
2014-04-24 Ian Bolton <ian.bolton@arm.com>
* sysdeps/aarch64/fpu/fclrexcpt.c (feclearexcept): Don't write to
fpsr if value didn't change.
* sysdeps/aarch64/fpu/fedisblxcpt.c (fedisableexcept): Don't write
to fpcr if value didn't change.
* sysdeps/aarch64/fpu/feenablxcpt.c (feenableexcept): Likewise.
* sysdeps/aarch64/fpu/feholdexcpt.c (feholdexcept): Don't write to
fpsr or fpcr if value didn't change.
* sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/aarch64/fpu/fesetround.c (fesetround): Don't write to
fpcr if value didn't change.
* sysdeps/aarch64/fpu/fsetexcptflg.c (fesetexceptflag): Don't write
to fpsr if value didn't change.
2014-04-17 Ian Bolton <ian.bolton@arm.com>
Wilco Dijkstra <wilco.dijkstra@arm.com>
* sysdeps/aarch64/fpu/math_private.h (HAVE_RM_CTX)
(libc_feholdsetround_aarch64_ctx)
(libc_feholdsetround_ctx, libc_feholdsetroundf_ctx)
(libc_feholdsetroundl_ctx, libc_feresetround_aarch64_ctx)
(libc_feresetround_ctx, libc_feresetroundf_ctx)
(libc_feresetroundl_ctx, libc_feresetround_noex_aarch64_ctx)
(libc_feresetround_noex_ctx, libc_feresetround_noexf_ctx)
(libc_feresetround_noexl_ctx): Define.
2014-04-16 Ian Bolton <ian.bolton@arm.com>
Wilco Dijkstra <wilco.dijkstra@arm.com>
* sysdeps/aarch64/fpu/math_private.h: New file.
2014-03-07 Marcus Shawcroft <marcus.shawcroft@arm.com>
* sysdeps/aarch64/fpu/feenablxcpt.c (feenableexcept): Detect and
error absence of trapping exception support.
* sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Likewise.
2014-04-22 Will Newton <will.newton@linaro.org>
Venkataramanan Kumar <venkataramanan.kumar@linaro.org>
* sysdeps/aarch64/__longjmp.S: Include stap-probe.h.
(__longjmp): Add longjmp and longjmp_target SystemTap
probes.
* sysdeps/aarch64/setjmp.S: Include stap-probe.h.
(__sigsetjmp): Add setjmp SystemTap probe.
2014-04-17 Will Newton <will.newton@linaro.org>
[BZ #16629]
* sysdeps/unix/sysv/linux/aarch64/setcontext.S (__setcontext):
Re-implement to restore registers in user code and avoid
rt_sigreturn system call.
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