summaryrefslogtreecommitdiff
path: root/libc/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S')
-rw-r--r--libc/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S117
1 files changed, 117 insertions, 0 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S b/libc/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
new file mode 100644
index 000000000..71a63d5b7
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
@@ -0,0 +1,117 @@
+/* Copyright (C) 1997, 1998, 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
+
+ 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 <sysdep-cancel.h>
+#include <socketcall.h>
+
+#define P(a, b) P2(a, b)
+#define P2(a, b) a##b
+
+#ifndef NARGS
+#ifdef socket
+#error NARGS not defined
+#endif
+#define NARGS 3
+#endif
+
+ .text
+/* The socket-oriented system calls are handled unusually in Linux.
+ They are all gated through the single `socketcall' system call number.
+ `socketcall' takes two arguments: the first is the subcode, specifying
+ which socket function is being called; and the second is a pointer to
+ the arguments to the specific function.
+
+ The .S files for the other calls just #define socket and #include this. */
+
+#ifndef __socket
+# ifndef NO_WEAK_ALIAS
+# define __socket P(__,socket)
+# else
+# define __socket socket
+# endif
+#endif
+
+ .globl __syscall_error
+ENTRY (__socket)
+
+ /* Drop up to 6 arguments (recvfrom) into the memory allocated by
+ the caller for varargs, since that's really what we have. */
+ st %o0, [%sp + 68 + 0]
+ st %o1, [%sp + 68 + 4]
+#if NARGS > 2
+ st %o2, [%sp + 68 + 8]
+#if NARGS > 3
+ st %o3, [%sp + 68 + 12]
+#if NARGS > 4
+ st %o4, [%sp + 68 + 16]
+#if NARGS > 5
+ st %o5, [%sp + 68 + 20]
+#endif
+#endif
+#endif
+#endif
+
+#if defined NEED_CANCELLATION && defined CENABLE
+ SINGLE_THREAD_P
+ cmp %g1, 0
+ bne .Lsocket_cancel
+#endif
+ mov P(SOCKOP_,socket), %o0 /* arg 1: socket subfunction */
+ add %sp, 68, %o1 /* arg 2: parameter block */
+ LOADSYSCALL(socketcall)
+ t 0x10
+ bcc 1f
+ mov %o7, %g1
+ call __syscall_error
+ mov %g1, %o7
+1: jmpl %o7 + 8, %g0
+ nop
+
+#if defined NEED_CANCELLATION && defined CENABLE
+.Lsocket_cancel:
+ save %sp, -96, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+ cfi_register(%o7, %i7)
+ CENABLE
+ nop
+ mov %o0, %l0
+ add %sp, 68 + 96, %o1
+ mov P(SOCKOP_,socket), %o0
+ LOADSYSCALL(socketcall)
+ t 0x10
+ bcc 1f
+ mov %o0, %l1
+ CDISABLE;
+ mov %l0, %o0;
+ call __syscall_error;
+ mov %l1, %o0;
+ b 1f
+ mov -1, %l1;
+1: CDISABLE
+ mov %l0, %o0
+2: jmpl %i7 + 8, %g0
+ restore %g0, %l1, %o0
+#endif
+
+END (__socket)
+
+#ifndef NO_WEAK_ALIAS
+weak_alias (__socket, socket)
+#endif