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/* Register names and numbers for m68k DWARF.
Copyright (C) 2007 Kurt Roeckx <kurt@roeckx.be>
This software is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by the
Free Software Foundation; version 2 of the License.
This software 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
General Public License for more details.
You should have received a copy of the GNU General Public License along
with this software; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <dwarf.h>
#define BACKEND m68k_
#include "libebl_CPU.h"
ssize_t
m68k_register_info (Ebl *ebl __attribute__ ((unused)),
int regno, char *name, size_t namelen,
const char **prefix, const char **setname,
int *bits, int *type)
{
if (name == NULL)
return 25;
if (regno < 0 || regno > 24 || namelen < 5)
return -1;
*prefix = "%";
*bits = 32;
*type = (regno < 8 ? DW_ATE_signed
: regno < 16 ? DW_ATE_address : DW_ATE_float);
if (regno < 8)
{
*setname = "integer";
}
else if (regno < 16)
{
*setname = "address";
}
else if (regno < 24)
{
*setname = "FPU";
}
else
{
*setname = "address";
*type = DW_ATE_address;
}
switch (regno)
{
case 0 ... 7:
name[0] = 'd';
name[1] = regno + '0';
namelen = 2;
break;
case 8 ... 13:
name[0] = 'a';
name[1] = regno - 8 + '0';
namelen = 2;
break;
case 14:
name[0] = 'f';
name[1] = 'p';
namelen = 2;
break;
case 15:
name[0] = 's';
name[1] = 'p';
namelen = 2;
break;
case 16 ... 23:
name[0] = 'f';
name[1] = 'p';
name[2] = regno - 16 + '0';
namelen = 3;
break;
case 24:
name[0] = 'p';
name[1] = 'c';
namelen = 2;
}
name[namelen++] = '\0';
return namelen;
}
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