/* The IGEN simulator generator for GDB, the GNU Debugger.
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/* The IGEN simulator generator for GDB, the GNU Debugger.
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Copyright 2002, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Copyright 2002, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Contributed by Andrew Cagney.
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Contributed by Andrew Cagney.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include <ctype.h>
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#include "config.h"
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#include "config.h"
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#include "misc.h"
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#include "misc.h"
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#ifdef HAVE_STDLIB_H
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#include <stdlib.h>
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#endif
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#endif
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#ifdef HAVE_STRING_H
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#ifdef HAVE_STRING_H
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#include <string.h>
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#include <string.h>
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#else
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#else
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#ifdef HAVE_STRINGS_H
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#include <strings.h>
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#endif
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#endif
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#endif
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#endif
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/* NB: Because warning and error can be interchanged, neither append a
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/* NB: Because warning and error can be interchanged, neither append a
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trailing '\n' */
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trailing '\n' */
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void
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void
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error (const line_ref *line, char *msg, ...)
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error (const line_ref *line, char *msg, ...)
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{
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{
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va_list ap;
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va_list ap;
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if (line != NULL)
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if (line != NULL)
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fprintf (stderr, "%s:%d: ", line->file_name, line->line_nr);
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fprintf (stderr, "%s:%d: ", line->file_name, line->line_nr);
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va_start (ap, msg);
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va_start (ap, msg);
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vfprintf (stderr, msg, ap);
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vfprintf (stderr, msg, ap);
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va_end (ap);
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va_end (ap);
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exit (1);
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exit (1);
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}
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}
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void
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void
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warning (const line_ref *line, char *msg, ...)
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warning (const line_ref *line, char *msg, ...)
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{
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{
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va_list ap;
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va_list ap;
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if (line != NULL)
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if (line != NULL)
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fprintf (stderr, "%s:%d: warning: ", line->file_name, line->line_nr);
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fprintf (stderr, "%s:%d: warning: ", line->file_name, line->line_nr);
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va_start (ap, msg);
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va_start (ap, msg);
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vfprintf (stderr, msg, ap);
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vfprintf (stderr, msg, ap);
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va_end (ap);
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va_end (ap);
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}
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}
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void
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void
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notify (const line_ref *line, char *msg, ...)
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notify (const line_ref *line, char *msg, ...)
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{
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{
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va_list ap;
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va_list ap;
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if (line != NULL)
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if (line != NULL)
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fprintf (stdout, "%s %d: info: ", line->file_name, line->line_nr);
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fprintf (stdout, "%s %d: info: ", line->file_name, line->line_nr);
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va_start (ap, msg);
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va_start (ap, msg);
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vfprintf (stdout, msg, ap);
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vfprintf (stdout, msg, ap);
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va_end (ap);
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va_end (ap);
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}
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}
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void *
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void *
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zalloc (long size)
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zalloc (long size)
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{
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{
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void *memory = malloc (size);
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void *memory = malloc (size);
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if (memory == NULL)
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if (memory == NULL)
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ERROR ("zalloc failed");
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ERROR ("zalloc failed");
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memset (memory, 0, size);
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memset (memory, 0, size);
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return memory;
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return memory;
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}
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}
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unsigned long long
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unsigned long long
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a2i (const char *a)
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a2i (const char *a)
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{
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{
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int neg = 0;
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int neg = 0;
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int base = 10;
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int base = 10;
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unsigned long long num = 0;
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unsigned long long num = 0;
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int looping;
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int looping;
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while (isspace (*a))
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while (isspace (*a))
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a++;
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a++;
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if (strcmp (a, "true") == 0 || strcmp (a, "TRUE") == 0)
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if (strcmp (a, "true") == 0 || strcmp (a, "TRUE") == 0)
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return 1;
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return 1;
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if (strcmp (a, "false") == 0 || strcmp (a, "false") == 0)
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if (strcmp (a, "false") == 0 || strcmp (a, "false") == 0)
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return 0;
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return 0;
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if (*a == '-')
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if (*a == '-')
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{
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{
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neg = 1;
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neg = 1;
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a++;
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a++;
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}
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}
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if (*a == '0')
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if (*a == '0')
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{
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{
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if (a[1] == 'x' || a[1] == 'X')
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if (a[1] == 'x' || a[1] == 'X')
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{
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{
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a += 2;
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a += 2;
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base = 16;
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base = 16;
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}
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}
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else if (a[1] == 'b' || a[1] == 'b')
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else if (a[1] == 'b' || a[1] == 'b')
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{
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{
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a += 2;
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a += 2;
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base = 2;
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base = 2;
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}
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}
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else
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else
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base = 8;
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base = 8;
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}
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}
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looping = 1;
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looping = 1;
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while (looping)
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while (looping)
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{
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{
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int ch = *a++;
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int ch = *a++;
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switch (base)
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switch (base)
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{
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{
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default:
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default:
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looping = 0;
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looping = 0;
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break;
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break;
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case 2:
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case 2:
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if (ch >= '0' && ch <= '1')
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if (ch >= '0' && ch <= '1')
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{
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{
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num = (num * 2) + (ch - '0');
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num = (num * 2) + (ch - '0');
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}
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}
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else
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else
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{
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{
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looping = 0;
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looping = 0;
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}
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}
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break;
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break;
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case 10:
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case 10:
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if (ch >= '0' && ch <= '9')
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if (ch >= '0' && ch <= '9')
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{
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{
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num = (num * 10) + (ch - '0');
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num = (num * 10) + (ch - '0');
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}
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}
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else
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else
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{
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{
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looping = 0;
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looping = 0;
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}
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}
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break;
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break;
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case 8:
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case 8:
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if (ch >= '0' && ch <= '7')
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if (ch >= '0' && ch <= '7')
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{
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{
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num = (num * 8) + (ch - '0');
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num = (num * 8) + (ch - '0');
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}
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}
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else
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else
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{
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{
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looping = 0;
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looping = 0;
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}
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}
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break;
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break;
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case 16:
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case 16:
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if (ch >= '0' && ch <= '9')
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if (ch >= '0' && ch <= '9')
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{
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{
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num = (num * 16) + (ch - '0');
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num = (num * 16) + (ch - '0');
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}
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}
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else if (ch >= 'a' && ch <= 'f')
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else if (ch >= 'a' && ch <= 'f')
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{
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{
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num = (num * 16) + (ch - 'a' + 10);
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num = (num * 16) + (ch - 'a' + 10);
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}
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}
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else if (ch >= 'A' && ch <= 'F')
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else if (ch >= 'A' && ch <= 'F')
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{
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{
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num = (num * 16) + (ch - 'A' + 10);
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num = (num * 16) + (ch - 'A' + 10);
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}
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}
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else
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else
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{
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{
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looping = 0;
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looping = 0;
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}
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}
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break;
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break;
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}
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}
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}
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}
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if (neg)
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if (neg)
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num = -num;
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num = -num;
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return num;
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return num;
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}
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}
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unsigned
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unsigned
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target_a2i (int ms_bit_nr, const char *a)
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target_a2i (int ms_bit_nr, const char *a)
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{
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{
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if (ms_bit_nr)
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if (ms_bit_nr)
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return (ms_bit_nr - a2i (a));
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return (ms_bit_nr - a2i (a));
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else
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else
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return a2i (a);
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return a2i (a);
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}
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}
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unsigned
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unsigned
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i2target (int ms_bit_nr, unsigned bit)
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i2target (int ms_bit_nr, unsigned bit)
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{
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{
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if (ms_bit_nr)
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if (ms_bit_nr)
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return ms_bit_nr - bit;
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return ms_bit_nr - bit;
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else
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else
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return bit;
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return bit;
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}
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}
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int
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int
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name2i (const char *names, const name_map * map)
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name2i (const char *names, const name_map * map)
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{
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{
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const name_map *curr;
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const name_map *curr;
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const char *name = names;
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const char *name = names;
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while (*name != '\0')
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while (*name != '\0')
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{
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{
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/* find our name */
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/* find our name */
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char *end = strchr (name, ',');
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char *end = strchr (name, ',');
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char *next;
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char *next;
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unsigned len;
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unsigned len;
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if (end == NULL)
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if (end == NULL)
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{
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{
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end = strchr (name, '\0');
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end = strchr (name, '\0');
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next = end;
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next = end;
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}
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}
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else
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else
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{
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{
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next = end + 1;
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next = end + 1;
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}
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}
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len = end - name;
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len = end - name;
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/* look it up */
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/* look it up */
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curr = map;
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curr = map;
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while (curr->name != NULL)
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while (curr->name != NULL)
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{
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{
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if (strncmp (curr->name, name, len) == 0
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if (strncmp (curr->name, name, len) == 0
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&& strlen (curr->name) == len)
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&& strlen (curr->name) == len)
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return curr->i;
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return curr->i;
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curr++;
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curr++;
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}
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}
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name = next;
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name = next;
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}
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}
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/* nothing found, possibly return a default */
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/* nothing found, possibly return a default */
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curr = map;
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curr = map;
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while (curr->name != NULL)
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while (curr->name != NULL)
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curr++;
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curr++;
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if (curr->i >= 0)
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if (curr->i >= 0)
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return curr->i;
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return curr->i;
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else
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else
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error (NULL, "%s contains no valid names", names);
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error (NULL, "%s contains no valid names", names);
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return 0;
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return 0;
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}
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}
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const char *
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const char *
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i2name (const int i, const name_map * map)
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i2name (const int i, const name_map * map)
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{
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{
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while (map->name != NULL)
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while (map->name != NULL)
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{
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{
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if (map->i == i)
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if (map->i == i)
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return map->name;
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return map->name;
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map++;
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map++;
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}
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}
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error (NULL, "map lookup failed for %d\n", i);
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error (NULL, "map lookup failed for %d\n", i);
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return NULL;
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return NULL;
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}
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}
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