1 files changed, 83 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/setjmp.c b/sysdeps/unix/sysv/linux/m68k/setjmp.c
new file mode 100644
index 0000000000..ef609cc7ab
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/setjmp.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 1991, 1992, 1994, 1996 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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
+__sigsetjmp (jmp_buf env, int savemask)
+{
+  /* 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);
+}
+
+/* Binary compatibility entry point.  */
+int
+__setjmp (jmp_buf env)
+{
+  /* 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
+
+  /* Don't save the signal mask.  */
+  env[0].__mask_was_saved = 0;
+
+  return 0;
+}