m68k: update ColdFire sigcontext ABI

ChangeLog.m68k

@@ -1,5 +1,8 @@
 2010-03-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
 
+	* sysdeps/unix/sysv/linux/m68k/bits/sigcontext.h: Remove.
+	* sysdeps/unix/sysv/linux/m68k/register-dump.h: Update.
+
 	* sysdeps/unix/sysv/linux/m68k/bits/siginfo.h: Remove.
 
 	* sysdeps/m68k/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ)

sysdeps/unix/sysv/linux/m68k/bits/sigcontext.h

@@ -1,62 +0,0 @@
-/* Copyright (C) 2006 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.  */
-
-#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
-# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
-#endif
-
-#ifndef _BITS_SIGCONTEXT_H
-#define _BITS_SIGCONTEXT_H 1
-
-struct sigcontext {
-  unsigned long sc_mask;
-  unsigned long sc_usp;
-  unsigned long sc_d0;
-  unsigned long sc_d1;
-#ifdef __mcoldfire__
-  unsigned long sc_d2;
-  unsigned long sc_d3;
-  unsigned long sc_d4;
-  unsigned long sc_d5;
-  unsigned long sc_d6;
-  unsigned long sc_d7;
-#endif
-  unsigned long sc_a0;
-  unsigned long sc_a1;
-#ifdef __mcoldfire__
-  unsigned long sc_a2;
-  unsigned long sc_a3;
-  unsigned long sc_a4;
-  unsigned long sc_a5;
-  unsigned long sc_a6;
-#endif
-  unsigned short sc_sr;
-  unsigned long sc_pc;
-  unsigned short sc_formatvec;
-#ifdef __mcoldfire__
-  unsigned long sc_fpregs[8][2];
-  unsigned long sc_fpcntl[3];
-  unsigned char sc_fpstate[16];
-#else
-  unsigned long sc_fpregs[2*3];
-  unsigned long sc_fpcntl[3];
-  unsigned char sc_fpstate[216];
-#endif
-};
-
-#endif

sysdeps/unix/sysv/linux/m68k/register-dump.h

@@ -40,7 +40,6 @@
 
 */
 
-#ifndef __mcoldfire__
 /* Linux saves only the call-clobbered registers in the sigcontext.  We
    need to use a trampoline that saves the rest so that the C code can
    access them.  We use the sc_fpstate field, since the handler is not
@@ -59,14 +58,17 @@ catch_segfault:\n\
 	/* Clear the first 4 bytes to make it a null fp state, just\n\
 	   in case the handler does return.  */\n\
 	clr.l (%%a0)+\n\
-	movem.l %%d2-%%d7/%%a2-%%a6,(%%a0)\n\
+	movem.l %%d2-%%d7/%%a2-%%a6,(%%a0)\n"
-	fmovem.x %%fp2-%%fp7,11*4(%%a0)\n\
+#ifndef __mcoldfire__
-	jra real_catch_segfault"
+       "fmovem.x %%fp2-%%fp7,11*4(%%a0)\n"
+#elif defined __mcffpu__
+       "fmovem.d %%fp2-%%fp7,11*4(%%a0)\n"
+#endif
+       "jra real_catch_segfault"
        : : "n" (offsetof (struct sigcontext, sc_fpstate)));
 }
 #define catch_segfault(a,b) \
   __attribute_used__ real_catch_segfault(a,b)
-#endif
 
 static void
 hexvalue (unsigned long int value, char *buf, size_t len)
@@ -104,36 +106,19 @@ register_dump (int fd, struct sigcontext *ctx)
   /* Generate strings of register contents.  */
   hexvalue (ctx->sc_d0, regs[0], 8);
   hexvalue (ctx->sc_d1, regs[1], 8);
-#ifdef __mcoldfire__
-  hexvalue (ctx->sc_d2, regs[2], 8);
-  hexvalue (ctx->sc_d3, regs[3], 8);
-  hexvalue (ctx->sc_d4, regs[4], 8);
-  hexvalue (ctx->sc_d5, regs[5], 8);
-  hexvalue (ctx->sc_d6, regs[6], 8);
-  hexvalue (ctx->sc_d7, regs[7], 8);
-#else
   hexvalue (*p++, regs[2], 8);
   hexvalue (*p++, regs[3], 8);
   hexvalue (*p++, regs[4], 8);
   hexvalue (*p++, regs[5], 8);
   hexvalue (*p++, regs[6], 8);
   hexvalue (*p++, regs[7], 8);
-#endif
   hexvalue (ctx->sc_a0, regs[8], 8);
   hexvalue (ctx->sc_a1, regs[9], 8);
-#ifdef __mcoldfire__
-  hexvalue (ctx->sc_a2, regs[10], 8);
-  hexvalue (ctx->sc_a3, regs[11], 8);
-  hexvalue (ctx->sc_a4, regs[12], 8);
-  hexvalue (ctx->sc_a5, regs[13], 8);
-  hexvalue (ctx->sc_a6, regs[14], 8);
-#else
   hexvalue (*p++, regs[10], 8);
   hexvalue (*p++, regs[11], 8);
   hexvalue (*p++, regs[12], 8);
   hexvalue (*p++, regs[13], 8);
   hexvalue (*p++, regs[14], 8);
-#endif
   hexvalue (ctx->sc_usp, regs[15], 8);
   hexvalue (ctx->sc_pc, regs[16], 8);
   hexvalue (ctx->sc_sr, regs[17], 4);
@@ -142,9 +127,6 @@ register_dump (int fd, struct sigcontext *ctx)
   for (i = 0; i < 2; i++)
     for (j = 0; j < fpreg_size; j += 8)
       hexvalue (*pfp++, fpregs[i] + j, 8);
-#ifdef __mcoldfire__
-  p = pfp;
-#endif
   for (i = 2; i < 8; i++)
     for (j = 0; j < fpreg_size; j += 8)
       hexvalue (*p++, fpregs[i] + j, 8);