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

1 files changed, 63 insertions, 0 deletions

diff --git a/sysdeps/m68k/setjmp.c b/sysdeps/m68k/setjmp.c
new file mode 100644
index 0000000000..8a6c3f9a0b
--- /dev/null
+++ b/sysdeps/m68k/setjmp.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 1991, 1992, 1994, 1997, 2001 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 <setjmp.h>
+
+/* Save the current program position in ENV and return 0.  */
+int
+#if defined BSD_SETJMP
+# undef setjmp
+# define savemask 1
+setjmp (jmp_buf env)
+#elif defined BSD__SETJMP
+# undef _setjmp
+# define savemask 0
+_setjmp (jmp_buf env)
+#else
+__sigsetjmp (jmp_buf env, int savemask)
+#endif
+{
+  /* Save data registers D1 through D7.  */
+  asm volatile ("movem%.l %/d1-%/d7, %0"
+		: : "m" (env[0].__jmpbuf[0].__dregs[0]));
+
+  /* Save return address in place of register A0.  */
+  env[0].__jmpbuf[0].__aregs[0] = ((void **) &env)[-1];
+
+  /* Save address registers A1 through A5.  */
+  asm volatile ("movem%.l %/a1-%/a5, %0"
+		: : "m" (env[0].__jmpbuf[0].__aregs[1]));
+
+  /* Save caller's FP, not our own.  */
+  env[0].__jmpbuf[0].__fp = ((void **) &env)[-2];
+
+  /* Save caller's SP, not our own.  */
+  env[0].__jmpbuf[0].__sp = (void *) &env;
+
+#if defined __HAVE_68881__ || defined __HAVE_FPU__
+  /* Save floating-point (68881) registers FP0 through FP7.  */
+  asm volatile ("fmovem%.x %/fp0-%/fp7, %0"
+		: : "m" (env[0].__jmpbuf[0].__fpregs[0]));
+#endif
+
+  /* Save the signal mask if requested.  */
+  return __sigjmp_save (env, savemask);
+}
+#if !defined BSD_SETJMP && !defined BSD__SETJMP
+hidden_def (__sigsetjmp)
+#endif