Re: Updates for m68k-linux target

[Andreas Schwab <schwab@suse.de>]

Andrew Cagney <ac131313@cygnus.com> writes:

|> > +  for (i = FPC_REGNUM; i <= FPI_REGNUM; i++)
|> > +    if (regno == -1 || regno == i)
|> > +      fpregsetp->fpcntl[regno - FPC_REGNUM]
|> > +	= *(int *) &registers[REGISTER_BYTE (regno)];
|> > 
|> BTW, there were a few registers[] references still lurking in there.

Thanks for noticing, I have fixed it and installed the patch below for being
obvious.

Andreas.

2002-01-30  Andreas Schwab  <schwab@suse.de>

	* m68klinux-nat.c: Fix last change to use regcache_collect
	instead of referencing registers[] directly.


Index: m68klinux-nat.c
===================================================================
RCS file: /cvs/src/src/gdb/m68klinux-nat.c,v
retrieving revision 1.7
diff -u -a -r1.7 m68klinux-nat.c
--- m68klinux-nat.c	2002/01/26 22:23:22	1.7
+++ m68klinux-nat.c	2002/01/30 13:55:22
@@ -195,6 +195,7 @@
   register int i;
   unsigned int offset;		/* Offset of registers within the u area.  */
   int tid;
+  char *buf = alloca (MAX_REGISTER_RAW_SIZE);
 
   if (CANNOT_STORE_REGISTER (regno))
     {
@@ -208,11 +209,16 @@
   offset = U_REGS_OFFSET;
 
   regaddr = register_addr (regno, offset);
+
+  /* Put the contents of regno into a local buffer */
+  regcache_collect (regno, buf);
+
+  /* Store the local buffer into the inferior a chunk at the time. */
   for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (PTRACE_XFER_TYPE))
     {
       errno = 0;
       ptrace (PT_WRITE_U, tid, (PTRACE_ARG3_TYPE) regaddr,
-	      *(PTRACE_XFER_TYPE *) & registers[REGISTER_BYTE (regno) + i]);
+	      *(PTRACE_XFER_TYPE *) (buf + i));
       regaddr += sizeof (PTRACE_XFER_TYPE);
       if (errno != 0)
 	{
@@ -370,15 +376,12 @@
   /* Fill in the floating-point registers.  */
   for (i = FP0_REGNUM; i < FP0_REGNUM + 8; i++)
     if (regno == -1 || regno == i)
-      memcpy (FPREG_ADDR (fpregsetp, regno - FP0_REGNUM),
-	      &registers[REGISTER_BYTE (regno)],
-	      REGISTER_RAW_SIZE(regno));
+      regcache_collect (regno, FPREG_ADDR (fpregsetp, regno - FP0_REGNUM));
 
   /* Fill in the floating-point control registers.  */
   for (i = FPC_REGNUM; i <= FPI_REGNUM; i++)
     if (regno == -1 || regno == i)
-      fpregsetp->fpcntl[regno - FPC_REGNUM]
-	= *(int *) &registers[REGISTER_BYTE (regno)];
+      regcache_collect (regno, fpregsetp->fpcntl[regno - FPC_REGNUM]);
 }
 
 #ifdef HAVE_PTRACE_GETREGS

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 Nürnberg
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