update from main archive 961220

diff --git a/sysdeps/unix/sysv/linux/alpha/timebits.h b/sysdeps/unix/sysv/linux/alpha/timebits.h
index f777dc2aa80eecc947ecc66590376deaf9af7c7b..1ad0df8c5b3a066864eff46cb84592da0e2e6bfc 100644 (file)
--- a/sysdeps/unix/sysv/linux/alpha/timebits.h
+++ b/sysdeps/unix/sysv/linux/alpha/timebits.h
@@ -33,9 +33,18 @@ struct timeval
 
 
 #ifndef _TIMEBITS_H
-#define        _TIMEBITS_H     1
-
-#include <asm/param.h>
-#define CLOCKS_PER_SEC HZ      /* XXX names not kosher */
+# define _TIMEBITS_H   1
+
+/* ISO/IEC 9899:1990 7.12.1: <time.h>
+   The macro `CLOCKS_PER_SEC' is the number per second of the value
+   returned by the `clock' function. */
+/* CAE XSH, Issue 4, Version 2: <time.h>
+   The value of CLOCKS_PER_SEC is required to be 1 million on all
+   XSI-conformant systems. */
+# define CLOCKS_PER_SEC  1000000
+
+/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
+   presents the real value for clock ticks per second for the system.  */
+# define CLK_TCK 1024
 
 #endif /* timebits.h */

diff --git a/sysdeps/unix/sysv/linux/m68k/setjmp.c b/sysdeps/unix/sysv/linux/m68k/setjmp.c
new file mode 100644 (file)
index 0000000..ef609cc
--- /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;
+}