(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

2 files changed, 58 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/i386/signal.S b/sysdeps/unix/sysv/i386/signal.S
new file mode 100644
index 0000000000..af51bc5182
--- /dev/null
+++ b/sysdeps/unix/sysv/i386/signal.S
@@ -0,0 +1,31 @@
+/* Copyright (C) 1992, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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.h>
+
+/* This is just a standard system call, except we need to load %edx
+   with the address of the `__sigreturn' function.  */
+
+	.globl syscall_error
+	.globl C_SYMBOL_NAME(__sigreturn)
+ENTRY (signal)
+	lea SYS_signal, %eax
+	lea C_SYMBOL_NAME(__sigreturn), %edx
+	.byte 0x9a, 0, 0, 0, 0, 7, 0 /* lcall $7, $0 -- GAS bug.  */
+	jb syscall_error
+	ret
diff --git a/sysdeps/unix/sysv/i386/sigreturn.S b/sysdeps/unix/sysv/i386/sigreturn.S
new file mode 100644
index 0000000000..edf4418c5b
--- /dev/null
+++ b/sysdeps/unix/sysv/i386/sigreturn.S
@@ -0,0 +1,27 @@
+/* Copyright (C) 1994, 1995, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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.h>
+
+.text
+ENTRY (__sigreturn)
+	addl $4, %esp		/* Pop the return PC.  */
+	lcall $0xf, $0		/* Do the magic sigreturn trap.  */
+	/* NOTREACHED */
+
+weak_alias (__sigreturn, sigreturn)