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/* The IGEN simulator generator for GDB, the GNU Debugger.
Copyright 2002-2015 Free Software Foundation, Inc.
Contributed by Andrew Cagney.
This file is part of GDB.
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, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
#include "config.h"
#include "misc.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
/* NB: Because warning and error can be interchanged, neither append a
trailing '\n' */
void
error (const line_ref *line, char *msg, ...)
{
va_list ap;
if (line != NULL)
fprintf (stderr, "%s:%d: ", line->file_name, line->line_nr);
va_start (ap, msg);
vfprintf (stderr, msg, ap);
va_end (ap);
exit (1);
}
void
warning (const line_ref *line, char *msg, ...)
{
va_list ap;
if (line != NULL)
fprintf (stderr, "%s:%d: warning: ", line->file_name, line->line_nr);
va_start (ap, msg);
vfprintf (stderr, msg, ap);
va_end (ap);
}
void
notify (const line_ref *line, char *msg, ...)
{
va_list ap;
if (line != NULL)
fprintf (stdout, "%s %d: info: ", line->file_name, line->line_nr);
va_start (ap, msg);
vfprintf (stdout, msg, ap);
va_end (ap);
}
void *
zalloc (long size)
{
void *memory = malloc (size);
if (memory == NULL)
ERROR ("zalloc failed");
memset (memory, 0, size);
return memory;
}
unsigned long long
a2i (const char *a)
{
int neg = 0;
int base = 10;
unsigned long long num = 0;
int looping;
while (isspace (*a))
a++;
if (strcmp (a, "true") == 0 || strcmp (a, "TRUE") == 0)
return 1;
if (strcmp (a, "false") == 0 || strcmp (a, "false") == 0)
return 0;
if (*a == '-')
{
neg = 1;
a++;
}
if (*a == '0')
{
if (a[1] == 'x' || a[1] == 'X')
{
a += 2;
base = 16;
}
else if (a[1] == 'b' || a[1] == 'b')
{
a += 2;
base = 2;
}
else
base = 8;
}
looping = 1;
while (looping)
{
int ch = *a++;
switch (base)
{
default:
looping = 0;
break;
case 2:
if (ch >= '0' && ch <= '1')
{
num = (num * 2) + (ch - '0');
}
else
{
looping = 0;
}
break;
case 10:
if (ch >= '0' && ch <= '9')
{
num = (num * 10) + (ch - '0');
}
else
{
looping = 0;
}
break;
case 8:
if (ch >= '0' && ch <= '7')
{
num = (num * 8) + (ch - '0');
}
else
{
looping = 0;
}
break;
case 16:
if (ch >= '0' && ch <= '9')
{
num = (num * 16) + (ch - '0');
}
else if (ch >= 'a' && ch <= 'f')
{
num = (num * 16) + (ch - 'a' + 10);
}
else if (ch >= 'A' && ch <= 'F')
{
num = (num * 16) + (ch - 'A' + 10);
}
else
{
looping = 0;
}
break;
}
}
if (neg)
num = -num;
return num;
}
unsigned
target_a2i (int ms_bit_nr, const char *a)
{
if (ms_bit_nr)
return (ms_bit_nr - a2i (a));
else
return a2i (a);
}
unsigned
i2target (int ms_bit_nr, unsigned bit)
{
if (ms_bit_nr)
return ms_bit_nr - bit;
else
return bit;
}
int
name2i (const char *names, const name_map * map)
{
const name_map *curr;
const char *name = names;
while (*name != '\0')
{
/* find our name */
char *end = strchr (name, ',');
char *next;
unsigned len;
if (end == NULL)
{
end = strchr (name, '\0');
next = end;
}
else
{
next = end + 1;
}
len = end - name;
/* look it up */
curr = map;
while (curr->name != NULL)
{
if (strncmp (curr->name, name, len) == 0
&& strlen (curr->name) == len)
return curr->i;
curr++;
}
name = next;
}
/* nothing found, possibly return a default */
curr = map;
while (curr->name != NULL)
curr++;
if (curr->i >= 0)
return curr->i;
else
error (NULL, "%s contains no valid names", names);
return 0;
}
const char *
i2name (const int i, const name_map * map)
{
while (map->name != NULL)
{
if (map->i == i)
return map->name;
map++;
}
error (NULL, "map lookup failed for %d\n", i);
return NULL;
}
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