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authorAustin Foxley <austinf@cetoncorp.com>2009-05-26 15:35:16 -0700
committerAustin Foxley <austinf@cetoncorp.com>2009-05-26 15:35:16 -0700
commitc033aa2afcd0c1db54670c90a251aee5019380ce (patch)
tree220af8f5d64c4364b93a366ad7b952e9f95a9883 /libc
parent3a68273a2b5eb17fd1662f08a6e08256c690d34f (diff)
Add working pipe implementation for sparc
Also get rid of warning in sparc sigaction Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc')
-rw-r--r--libc/sysdeps/linux/sparc/Makefile.arch2
-rw-r--r--libc/sysdeps/linux/sparc/pipe.S62
-rw-r--r--libc/sysdeps/linux/sparc/sigaction.c8
3 files changed, 69 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/sparc/Makefile.arch b/libc/sysdeps/linux/sparc/Makefile.arch
index 346f13fe7..9cf0a1afa 100644
--- a/libc/sysdeps/linux/sparc/Makefile.arch
+++ b/libc/sysdeps/linux/sparc/Makefile.arch
@@ -9,6 +9,6 @@ CSRC := brk.c __syscall_error.c qp_ops.c sigaction.c
SSRC := \
__longjmp.S fork.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
- syscall.S urem.S udiv.S umul.S sdiv.S rem.S
+ syscall.S urem.S udiv.S umul.S sdiv.S rem.S pipe.S
include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
diff --git a/libc/sysdeps/linux/sparc/pipe.S b/libc/sysdeps/linux/sparc/pipe.S
new file mode 100644
index 000000000..0226e3f5c
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/pipe.S
@@ -0,0 +1,62 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
+
+ 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.
+
+ Ported to uClibc by:
+ Austin Foxley, Ceton Corporation <austinf@cetoncorp.com>
+ */
+
+#include <features.h>
+#include <sys/syscall.h>
+#include <asm/errno.h>
+
+.text
+.global pipe
+.type pipe, @function
+.align 4
+
+pipe:
+ save %sp,-96,%sp
+
+ /* sanity check arguments */
+ tst %i0
+ be .Lerror
+ orcc %i1,%g0,%o1
+ be .Lerror
+ mov %i2,%o0
+
+ /* Do the system call */
+ set __NR_pipe,%g1
+ ta 0x10
+ bcs .Lerror
+ nop
+
+ st %o0,[%i0]
+ st %o1,[%i0+4]
+ ret
+ restore %o0,%g0,%o0
+
+.Lerror:
+ call __errno_location
+ or %g0,EINVAL,%i0
+ st %i0,[%o0]
+ ret
+ restore %g0,-1,%o0
+
+.size pipe,.-pipe
+libc_hidden_def(pipe)
diff --git a/libc/sysdeps/linux/sparc/sigaction.c b/libc/sysdeps/linux/sparc/sigaction.c
index 9dee63b6c..67db1c8f9 100644
--- a/libc/sysdeps/linux/sparc/sigaction.c
+++ b/libc/sysdeps/linux/sparc/sigaction.c
@@ -38,7 +38,7 @@ int
__libc_sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
{
int ret;
- struct old_kernel_sigaction kact, koact;
+ struct old_kernel_sigaction kact, koact;
unsigned long stub = 0;
int saved_errno = errno;
@@ -54,7 +54,11 @@ __libc_sigaction (int sig, __const struct sigaction *act, struct sigaction *oact
kact.sa_restorer = NULL;
}
/* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */
- ret = rt_sigaction(sig, act ? &kact : NULL, oact ? &koact : NULL, stub, _NSIG / 8);
+ ret = rt_sigaction(sig,
+ (int)(act ? &kact : NULL),
+ (int)(oact ? &koact : NULL),
+ stub,
+ _NSIG / 8);
if (ret >= 0 || errno != ENOSYS)
{