diff options
author | Mike Frysinger <vapier@gentoo.org> | 2006-03-02 03:32:37 +0000 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2006-03-02 03:32:37 +0000 |
commit | 710a43449926e29c1a48954d1ab7fdcf59b8c6fd (patch) | |
tree | cce311397e24d181c537f72b21c78b4180dab1be /libc/sysdeps/linux/alpha/rt_sigaction.S | |
parent | c438d80631c0e16721406600fe722b9d1f49a0d2 (diff) |
rename file so we block the common version from being built
Diffstat (limited to 'libc/sysdeps/linux/alpha/rt_sigaction.S')
-rw-r--r-- | libc/sysdeps/linux/alpha/rt_sigaction.S | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/libc/sysdeps/linux/alpha/rt_sigaction.S b/libc/sysdeps/linux/alpha/rt_sigaction.S deleted file mode 100644 index f7e9e44a6..000000000 --- a/libc/sysdeps/linux/alpha/rt_sigaction.S +++ /dev/null @@ -1,81 +0,0 @@ -/* Copyright (C) 1998, 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@cygnus.com>, 1998 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <features.h> -#include <sys/syscall.h> -#include <sys/regdef.h> - -/* On Alpha we desparately want to avoid having to issue an imb. Ordinarily - the kernel would have to issue one after setting up the signal return - stack, but the Linux rt_sigaction syscall is prepared to accept a pointer - to the sigreturn syscall, instead of inlining it on the stack. - - This just about halves signal delivery time. */ - - .text - -.globl __syscall_rt_sigaction -.align 4 -.ent __syscall_rt_sigaction, 0 -__syscall_rt_sigaction: - .frame sp,0,ra,0 - ldgp gp,0(pv) - .prologue 1 - - beq a1, 0f - ldl t0, 8(a1) # sa_flags - - /* The unwinder will subtract one from the return address when - attempting to find the call instruction that led us here. - Since we didn't get here via a normal call, if we do nothing - we would pick up the wrong symbol and the wrong FDE. Account - for this by adding a nop to the start of the function and - then skipping it here by adding 4. */ - ldah a4, __syscall_sigreturn+4(gp) !gprelhigh - ldah t1, __syscall_rt_sigreturn+4(gp) !gprelhigh - lda a4, __syscall_sigreturn+4(a4) !gprellow - lda t1, __syscall_rt_sigreturn+4(t1) !gprellow - and t0, 0x40, t0 # SA_SIGINFO - cmovne t0, t1, a4 - -0: ldi v0, __NR_rt_sigaction - callsys - bne a3, $error - ret - -$error: - jmp zero,__syscall_error - -.end __syscall_rt_sigaction - -__syscall_sigreturn: - nop - mov sp, a0 - ldi v0, __NR_sigreturn - callsys - .size __syscall_sigreturn, .-__syscall_sigreturn - .type __syscall_sigreturn, @function - -__syscall_rt_sigreturn: - nop - mov sp,a0 - ldi v0,__NR_rt_sigreturn - callsys - .size __syscall_rt_sigreturn, .-__syscall_rt_sigreturn - .type __syscall_rt_sigreturn, @function |