Add working pipe implementation for sparc

Also get rid of warning in sparc sigaction

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

diff --git a/libc/sysdeps/linux/sparc/Makefile.arch b/libc/sysdeps/linux/sparc/Makefile.arch
index 346f13f..9cf0a1a 100644 (file)
--- 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 (file)
index 0000000..0226e3f
--- /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 9dee63b..67db1c8 100644 (file)
--- 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)
     {