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/* ---------------------- mix_vm_dump.c :
* Implementation of the functions declared in mix_vm_dump.h
* ------------------------------------------------------------------
** Copyright (C) 2000, 2007 Free Software Foundation, Inc.
**
** This program 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; either version 3 of the License, or
** (at your option) any later version.
**
** This program 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 program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/
#include "mix.h"
#include <unistd.h>
#include "xmix_vm.h"
#include "mix_vm_dump.h"
/* Create/destroy a dump context */
mix_dump_context_t *
mix_dump_context_new(FILE *fd, mix_address_t begin, mix_address_t end,
guint32 options)
{
mix_dump_context_t *result = NULL;
g_return_val_if_fail (fd != NULL, NULL);
if ( begin > end ) begin = end;
if ( end >= MEM_CELLS_NO_ ) end = MEM_CELLS_NO_;
result = g_new (mix_dump_context_t,1);
result->options = options;
result->begin = begin;
result->end = end;
result->channel = fd;
return result;
}
void
mix_dump_context_delete (mix_dump_context_t *dc)
{
g_return_if_fail (dc != NULL);
g_free (dc);
}
/* Use the dump context */
#define WORD_FMT_ "%s %02d %02d %02d %02d %02d (%010ld)"
#define SHORT_FMT_ "%s %02d %02d (%04d)"
#define WORD_SIGN_(w) mix_word_is_negative (w)? "-":"+"
#define SHORT_SIGN_(s) mix_short_is_negative (s)? "-":"+"
#define WORD_ABS_(w) mix_word_magnitude (w)
#define SHORT_ABS_(s) mix_short_magnitude (s)
#define WORD_BYTE_(w,i) mix_byte_new (mix_word_magnitude (w)>>(6*(5-i)))
#define SHORT_BYTE_(s,i) mix_byte_new (mix_short_magnitude (s)>>(6*(2-i)))
#define WORD_ARGS_(w) WORD_SIGN_ (w), WORD_BYTE_ (w,1), WORD_BYTE_ (w,2), \
WORD_BYTE_ (w,3), WORD_BYTE_ (w,4), WORD_BYTE_ (w,5), WORD_ABS_ (w)
#define SHORT_ARGS_(s) SHORT_SIGN_ (s), SHORT_BYTE_ (s,1), SHORT_BYTE_ (s,2), \
SHORT_ABS_ (s)
void
mix_vm_dump (const mix_vm_t *vm, const mix_dump_context_t *dc)
{
guint j, i;
FILE *f;
g_return_if_fail (vm != NULL);
g_return_if_fail (dc != NULL);
f = dc->channel;
if ( (dc->options & MIX_DUMP_rA) == MIX_DUMP_rA )
{
mix_word_t rA = get_rA_ (vm);
fprintf (f, "rA: " WORD_FMT_ "\n", WORD_ARGS_ (rA));
}
if ( (dc->options & MIX_DUMP_rX) == MIX_DUMP_rX )
{
mix_word_t rX = get_rX_ (vm);
fprintf (f, "rX: " WORD_FMT_ "\n", WORD_ARGS_ (rX));
}
if ( (dc->options & MIX_DUMP_rJ) == MIX_DUMP_rJ )
{
mix_short_t rJ = get_rJ_ (vm);
fprintf (f, "rJ: " SHORT_FMT_ "\n", SHORT_ARGS_ (rJ));
}
for (j = 0, i = 0; j < IREG_NO_; ++j)
{
if ( (dc->options & (MIX_DUMP_rI1<<j)) == (MIX_DUMP_rI1<<j) )
{
mix_short_t rI = mix_word_to_short_fast (get_rI_ (vm, j+1));
fprintf (f, "rI%d: " SHORT_FMT_ "\t", j+1, SHORT_ARGS_ (rI));
i++;
}
if ( i%2 == 0 && i != 0 ) fprintf (f, "\n");
}
if ( i%2 == 1 ) fprintf (f, "\n");
if ( (dc->options & MIX_DUMP_OVER) == MIX_DUMP_OVER )
{
fprintf (f, _("Overflow: %s\n"), get_over_ (vm)? "T":"F");
}
if ( (dc->options & MIX_DUMP_CMP) == MIX_DUMP_CMP )
{
const gchar *val = "?";
switch (get_cmp_ (vm))
{
case mix_LESS:
val = "L";
break;
case mix_GREAT:
val = "G";
break;
case mix_EQ:
val = "E";
break;
default:
g_assert_not_reached ();
break;
}
fprintf (f, _("Cmp: %s\n"), val);
}
if ( (dc->options & MIX_DUMP_CELLS) == MIX_DUMP_CELLS )
{
for (j = dc->begin; j < dc->end; ++j)
{
mix_word_t cell = get_cell_ (vm,j);
fprintf (f, "%04d: " WORD_FMT_ "\n", j, WORD_ARGS_ (cell));
}
}
fflush (f);
}
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