[deliverable/binutils-gdb.git] / sim / ppc / dgen.c

/*  This file is part of the program psim.

    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>

    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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    */


#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <ctype.h>
#include <stdarg.h>

#include "config.h"
#include "misc.h"
#include "lf.h"
#include "table.h"

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#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

/****************************************************************/

int spreg_lookup_table = 1;
int number_lines = 1;
enum {
  nr_of_sprs = 1024,
};

/****************************************************************/


typedef enum {
  spreg_name,
  spreg_reg_nr,
  spreg_readonly,
  spreg_length,
  nr_spreg_fields,
} spreg_fields;

typedef struct _spreg_table_entry spreg_table_entry;
struct _spreg_table_entry {
  char *name;
  int spreg_nr;
  int is_readonly;
  int length;
  table_entry *entry;
  spreg_table_entry *next;
};

typedef struct _spreg_table spreg_table;
struct _spreg_table {
  spreg_table_entry *sprs;
};

static void
spreg_table_insert(spreg_table *table, table_entry *entry)
{
  /* create a new spr entry */
  spreg_table_entry *new_spr = ZALLOC(spreg_table_entry);
  new_spr->next = NULL;
  new_spr->entry = entry;
  new_spr->spreg_nr = atoi(entry->fields[spreg_reg_nr]);
  new_spr->is_readonly = (entry->fields[spreg_readonly]
			  ? atoi(entry->fields[spreg_readonly])
			  : 0);
  new_spr->length = atoi(entry->fields[spreg_length]);
  new_spr->name = (char*)zalloc(strlen(entry->fields[spreg_name]) + 1);
  ASSERT(new_spr->name != NULL);
  {
    int i;
    for (i = 0; entry->fields[spreg_name][i] != '\0'; i++) {
      if (isupper(entry->fields[spreg_name][i]))
	new_spr->name[i] = tolower(entry->fields[spreg_name][i]);
      else
	new_spr->name[i] = entry->fields[spreg_name][i];
    }
  }

  /* insert, by spreg_nr order */
  {
    spreg_table_entry **ptr_to_spreg_entry = &table->sprs;
    spreg_table_entry *spreg_entry = *ptr_to_spreg_entry;
    while (spreg_entry != NULL && spreg_entry->spreg_nr < new_spr->spreg_nr) {
      ptr_to_spreg_entry = &spreg_entry->next;
      spreg_entry = *ptr_to_spreg_entry;
    }
    ASSERT(spreg_entry == NULL || spreg_entry->spreg_nr != new_spr->spreg_nr);
    *ptr_to_spreg_entry = new_spr;
    new_spr->next = spreg_entry;
  }

}


static spreg_table *
spreg_table_load(char *file_name)
{
  table *file = table_open(file_name, nr_spreg_fields);
  spreg_table *table = ZALLOC(spreg_table);

  {
    table_entry *entry;
    while ((entry = table_entry_read(file)) != NULL) {
      spreg_table_insert(table, entry);
    }
  }

  return table;
}


/****************************************************************/

char *spreg_attributes[] = {
  "is_valid",
  "is_readonly",
  "name",
  "index",
  "length",
  0
};

static void
gen_spreg_h(spreg_table *table, lf *file)
{
  spreg_table_entry *entry;
  char **attribute;

  lf_print_copyleft(file);
  lf_printf(file, "\n");
  lf_printf(file, "#ifndef _SPREG_H_\n");
  lf_printf(file, "#define _SPREG_H_\n");
  lf_printf(file, "\n");
  lf_printf(file, "#ifndef INLINE_SPREG\n");
  lf_printf(file, "#define INLINE_SPREG\n");
  lf_printf(file, "#endif\n");
  lf_printf(file, "\n");
  lf_printf(file, "typedef unsigned_word spreg;\n");
  lf_printf(file, "\n");
  lf_printf(file, "typedef enum {\n");

  for (entry = table->sprs;
       entry != NULL ;
       entry = entry->next) {
    lf_printf(file, "  spr_%s = %d,\n", entry->name, entry->spreg_nr);
  }

  lf_printf(file, "  nr_of_sprs = %d\n", nr_of_sprs);
  lf_printf(file, "} sprs;\n");
  lf_printf(file, "\n");
  for (attribute = spreg_attributes;
       *attribute != NULL;
       attribute++) {
    if (strcmp(*attribute, "name") == 0)
      lf_printf(file, "INLINE_SPREG char *spr_%s(sprs spr);\n",
		*attribute);
    else
      lf_printf(file, "INLINE_SPREG int spr_%s(sprs spr);\n",
		*attribute);
  }
  lf_printf(file, "\n");
  lf_printf(file, "#endif /* _SPREG_H_ */\n");
}


static void
gen_spreg_c(spreg_table *table, lf *file)
{
  spreg_table_entry *entry;
  char **attribute;
  int spreg_nr;

  lf_print_copyleft(file);
  lf_printf(file, "\n");
  lf_printf(file, "#ifndef _SPREG_C_\n");
  lf_printf(file, "#define _SPREG_C_\n");
  lf_printf(file, "\n");
  lf_printf(file, "#include \"words.h\"\n");
  lf_printf(file, "#include \"spreg.h\"\n");

  lf_printf(file, "\n");
  lf_printf(file, "typedef struct _spreg_info {\n");
  lf_printf(file, "  char *name;\n");
  lf_printf(file, "  int is_valid;\n");
  lf_printf(file, "  int length;\n");
  lf_printf(file, "  int is_readonly;\n");
  lf_printf(file, "  int index;\n");
  lf_printf(file, "} spreg_info;\n");
  lf_printf(file, "\n");
  lf_printf(file, "static spreg_info spr_info[nr_of_sprs+1] = {\n");
  entry = table->sprs;
  for (spreg_nr = 0; spreg_nr < nr_of_sprs+1; spreg_nr++) {
    if (entry == NULL || spreg_nr < entry->spreg_nr)
      lf_printf(file, "  { 0, 0, 0, 0, %d},\n", spreg_nr);
    else {
      lf_printf(file, "  { \"%s\", %d, %d, %d, spr_%s /*%d*/ },\n",
		entry->name, 1, entry->length, entry->is_readonly,
		entry->name, entry->spreg_nr);
      entry = entry->next;
    }
  }
  lf_printf(file, "};\n");

  for (attribute = spreg_attributes;
       *attribute != NULL;
       attribute++) {
    lf_printf(file, "\n");
    if (strcmp(*attribute, "name") == 0)
      lf_printf(file, "INLINE_SPREG char *\n");
    else
      lf_printf(file, "INLINE_SPREG int\n");
    lf_printf(file, "spr_%s(sprs spr)\n", *attribute);
    lf_printf(file, "{\n");
    if (spreg_lookup_table
	|| strcmp(*attribute, "name") == 0
	|| strcmp(*attribute, "index") == 0)
      lf_printf(file, "  return spr_info[spr].%s;\n",
		*attribute);
    else {
      spreg_table_entry *entry;
      lf_printf(file, "  switch (spr) {\n");
      for (entry = table->sprs; entry != NULL; entry = entry->next) {
	lf_printf(file, "  case %d:\n", entry->spreg_nr);
	if (strcmp(*attribute, "is_valid") == 0)
	  lf_printf(file, "    return 1;\n");
	else if (strcmp(*attribute, "is_readonly") == 0)
	  lf_printf(file, "    return %d;\n", entry->is_readonly);
	else if (strcmp(*attribute, "length") == 0)
	  lf_printf(file, "    return %d;\n", entry->length);
	else
	  ASSERT(0);
      }
      lf_printf(file, "  default:\n");
      lf_printf(file, "    return 0;\n");
      lf_printf(file, "  }\n");
    }
    lf_printf(file, "}\n");
  }

  lf_printf(file, "\n");
  lf_printf(file, "#endif /* _SPREG_C_ */\n");
}


/****************************************************************/


int
main(int argc,
     char **argv,
     char **envp)
{
  spreg_table *sprs = NULL;
  char *real_file_name = NULL;
  int ch;

  if (argc <= 1) {
    printf("Usage: dgen ...\n");
    printf("-s  Use switch instead of table\n");
    printf("-n  Use this as cpp line numbering name\n");
    printf("-[Pp] <spreg>  Output spreg.h(P) or spreg.c(p)\n");
    printf("-l  Suppress cpp line numbering in output files\n");
  }


  while ((ch = getopt(argc, argv, "lsn:r:P:p:")) != -1) {
    fprintf(stderr, "\t-%c %s\n", ch, ( optarg ? optarg : ""));
    switch(ch) {
    case 'l':
      number_lines = 0;
      break;
    case 's':
      spreg_lookup_table = 0;
      break;
    case 'r':
      sprs = spreg_table_load(optarg);
      break;
    case 'n':
      real_file_name = strdup(optarg);
      break;
    case 'P':
    case 'p':
      {
	lf *file = lf_open(optarg, real_file_name, number_lines);
	switch (ch) {
	case 'P':
	  gen_spreg_h(sprs, file);
	  break;
	case 'p':
	  gen_spreg_c(sprs, file);
	  break;
	}
	lf_close(file);
      }
      real_file_name = NULL;
      break;
    default:
      error("unknown option\n");
    }
  }
  return 0;
}
Commit	Line	Data
a983c8f0 MM	1	/* This file is part of the program psim.
	2
	3	Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the Free Software
	17	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	18
	19	*/
	20
	21
	22	#include <sys/types.h>
	23	#include <sys/stat.h>
	24	#include <fcntl.h>
a983c8f0 MM	25	#include <getopt.h>
	26	#include <stdio.h>
	27	#include <ctype.h>
	28	#include <stdarg.h>
a983c8f0	29
c494cadd	30	#include "config.h"
a983c8f0 MM	31	#include "misc.h"
	32	#include "lf.h"
	33	#include "table.h"
	34
c494cadd MM	35	#ifdef HAVE_UNISTD_H
	36	#include <unistd.h>
	37	#endif
	38
	39	#ifdef HAVE_STDLIB_H
	40	#include <stdlib.h>
	41	#endif
	42
	43	#ifdef HAVE_STRING_H
	44	#include <string.h>
	45	#else
	46	#ifdef HAVE_STRINGS_H
	47	#include <strings.h>
	48	#endif
	49	#endif
	50
a983c8f0 MM	51	/****************************************************************/
	52
	53	int spreg_lookup_table = 1;
	54	int number_lines = 1;
	55	enum {
	56	nr_of_sprs = 1024,
	57	};
	58
	59	/****************************************************************/
	60
	61
	62	typedef enum {
	63	spreg_name,
	64	spreg_reg_nr,
	65	spreg_readonly,
	66	spreg_length,
	67	nr_spreg_fields,
	68	} spreg_fields;
	69
	70	typedef struct _spreg_table_entry spreg_table_entry;
	71	struct _spreg_table_entry {
	72	char *name;
	73	int spreg_nr;
	74	int is_readonly;
	75	int length;
	76	table_entry *entry;
	77	spreg_table_entry *next;
	78	};
	79
	80	typedef struct _spreg_table spreg_table;
	81	struct _spreg_table {
	82	spreg_table_entry *sprs;
	83	};
	84
	85	static void
	86	spreg_table_insert(spreg_table table, table_entry entry)
	87	{
	88	/* create a new spr entry */
	89	spreg_table_entry *new_spr = ZALLOC(spreg_table_entry);
	90	new_spr->next = NULL;
	91	new_spr->entry = entry;
	92	new_spr->spreg_nr = atoi(entry->fields[spreg_reg_nr]);
	93	new_spr->is_readonly = (entry->fields[spreg_readonly]
	94	? atoi(entry->fields[spreg_readonly])
	95	: 0);
	96	new_spr->length = atoi(entry->fields[spreg_length]);
	97	new_spr->name = (char*)zalloc(strlen(entry->fields[spreg_name]) + 1);
	98	ASSERT(new_spr->name != NULL);
	99	{
	100	int i;
	101	for (i = 0; entry->fields[spreg_name][i] != '\0'; i++) {
	102	if (isupper(entry->fields[spreg_name][i]))
	103	new_spr->name[i] = tolower(entry->fields[spreg_name][i]);
	104	else
	105	new_spr->name[i] = entry->fields[spreg_name][i];
	106	}
	107	}
	108
	109	/* insert, by spreg_nr order */
	110	{
	111	spreg_table_entry **ptr_to_spreg_entry = &table->sprs;
	112	spreg_table_entry spreg_entry = ptr_to_spreg_entry;
	113	while (spreg_entry != NULL && spreg_entry->spreg_nr < new_spr->spreg_nr) {
	114	ptr_to_spreg_entry = &spreg_entry->next;
115	spreg_entry = *ptr_to_spreg_entry;
116	}
117	ASSERT(spreg_entry == NULL \|\| spreg_entry->spreg_nr != new_spr->spreg_nr);
118	*ptr_to_spreg_entry = new_spr;
119	new_spr->next = spreg_entry;
120	}
121
122	}
123
124
125	static spreg_table *
126	spreg_table_load(char *file_name)
127	{
128	table *file = table_open(file_name, nr_spreg_fields);
129	spreg_table *table = ZALLOC(spreg_table);
130
131	{
132	table_entry *entry;
133	while ((entry = table_entry_read(file)) != NULL) {
134	spreg_table_insert(table, entry);
135	}
136	}
137
138	return table;
139	}
140
141
142	/****************************************************************/
143
144	char *spreg_attributes[] = {
145	"is_valid",
146	"is_readonly",
147	"name",
148	"index",
149	"length",
150	0
151	};
152
153	static void
154	gen_spreg_h(spreg_table table, lf file)
155	{
156	spreg_table_entry *entry;
157	char **attribute;
158
159	lf_print_copyleft(file);
160	lf_printf(file, "\n");
161	lf_printf(file, "#ifndef _SPREG_H_\n");
162	lf_printf(file, "#define _SPREG_H_\n");
163	lf_printf(file, "\n");
164	lf_printf(file, "#ifndef INLINE_SPREG\n");
165	lf_printf(file, "#define INLINE_SPREG\n");
166	lf_printf(file, "#endif\n");
167	lf_printf(file, "\n");
168	lf_printf(file, "typedef unsigned_word spreg;\n");
169	lf_printf(file, "\n");
170	lf_printf(file, "typedef enum {\n");
171
172	for (entry = table->sprs;
173	entry != NULL ;
174	entry = entry->next) {
175	lf_printf(file, " spr_%s = %d,\n", entry->name, entry->spreg_nr);
176	}
177
178	lf_printf(file, " nr_of_sprs = %d\n", nr_of_sprs);
179	lf_printf(file, "} sprs;\n");
180	lf_printf(file, "\n");
181	for (attribute = spreg_attributes;
182	*attribute != NULL;
183	attribute++) {
184	if (strcmp(*attribute, "name") == 0)
185	lf_printf(file, "INLINE_SPREG char *spr_%s(sprs spr);\n",
186	*attribute);
187	else
188	lf_printf(file, "INLINE_SPREG int spr_%s(sprs spr);\n",
189	*attribute);
190	}
191	lf_printf(file, "\n");
192	lf_printf(file, "#endif /* _SPREG_H_ */\n");
193	}
194
195
196	static void
197	gen_spreg_c(spreg_table table, lf file)
198	{
199	spreg_table_entry *entry;
200	char **attribute;
201	int spreg_nr;
202
203	lf_print_copyleft(file);
204	lf_printf(file, "\n");
205	lf_printf(file, "#ifndef _SPREG_C_\n");
206	lf_printf(file, "#define _SPREG_C_\n");
207	lf_printf(file, "\n");
208	lf_printf(file, "#include \"words.h\"\n");
209	lf_printf(file, "#include \"spreg.h\"\n");
210
211	lf_printf(file, "\n");
212	lf_printf(file, "typedef struct _spreg_info {\n");
213	lf_printf(file, " char *name;\n");
214	lf_printf(file, " int is_valid;\n");
215	lf_printf(file, " int length;\n");
216	lf_printf(file, " int is_readonly;\n");
217	lf_printf(file, " int index;\n");
218	lf_printf(file, "} spreg_info;\n");
219	lf_printf(file, "\n");
220	lf_printf(file, "static spreg_info spr_info[nr_of_sprs+1] = {\n");
221	entry = table->sprs;
222	for (spreg_nr = 0; spreg_nr < nr_of_sprs+1; spreg_nr++) {
223	if (entry == NULL \|\| spreg_nr < entry->spreg_nr)
224	lf_printf(file, " { 0, 0, 0, 0, %d},\n", spreg_nr);
225	else {
226	lf_printf(file, " { \"%s\", %d, %d, %d, spr_%s /%d/ },\n",
227	entry->name, 1, entry->length, entry->is_readonly,
228	entry->name, entry->spreg_nr);
229	entry = entry->next;
230	}
231	}
232	lf_printf(file, "};\n");
233
234	for (attribute = spreg_attributes;
235	*attribute != NULL;
236	attribute++) {
237	lf_printf(file, "\n");
238	if (strcmp(*attribute, "name") == 0)
239	lf_printf(file, "INLINE_SPREG char *\n");
240	else
241	lf_printf(file, "INLINE_SPREG int\n");
242	lf_printf(file, "spr_%s(sprs spr)\n", *attribute);
243	lf_printf(file, "{\n");
244	if (spreg_lookup_table
245	\|\| strcmp(*attribute, "name") == 0
246	\|\| strcmp(*attribute, "index") == 0)
247	lf_printf(file, " return spr_info[spr].%s;\n",
248	*attribute);
249	else {
250	spreg_table_entry *entry;
251	lf_printf(file, " switch (spr) {\n");
252	for (entry = table->sprs; entry != NULL; entry = entry->next) {
253	lf_printf(file, " case %d:\n", entry->spreg_nr);
254	if (strcmp(*attribute, "is_valid") == 0)
255	lf_printf(file, " return 1;\n");
256	else if (strcmp(*attribute, "is_readonly") == 0)
257	lf_printf(file, " return %d;\n", entry->is_readonly);
258	else if (strcmp(*attribute, "length") == 0)
259	lf_printf(file, " return %d;\n", entry->length);
260	else
261	ASSERT(0);
262	}
263	lf_printf(file, " default:\n");
264	lf_printf(file, " return 0;\n");
265	lf_printf(file, " }\n");
266	}
267	lf_printf(file, "}\n");
268	}
269
270	lf_printf(file, "\n");
271	lf_printf(file, "#endif /* _SPREG_C_ */\n");
272	}
273
274
275
276	/****************************************************************/
277
278
279	int
280	main(int argc,
281	char **argv,
282	char **envp)
283	{
284	spreg_table *sprs = NULL;
285	char *real_file_name = NULL;
286	int ch;
287
288	if (argc <= 1) {
289	printf("Usage: dgen ...\n");
290	printf("-s Use switch instead of table\n");
291	printf("-n Use this as cpp line numbering name\n");
292	printf("-[Pp] <spreg> Output spreg.h(P) or spreg.c(p)\n");
293	printf("-l Suppress cpp line numbering in output files\n");
294	}
295
296
297	while ((ch = getopt(argc, argv, "lsn:r:P:p:")) != -1) {
298	fprintf(stderr, "\t-%c %s\n", ch, ( optarg ? optarg : ""));
299	switch(ch) {
300	case 'l':
301	number_lines = 0;
302	break;
303	case 's':
304	spreg_lookup_table = 0;
305	break;
306	case 'r':
307	sprs = spreg_table_load(optarg);
308	break;
309	case 'n':
310	real_file_name = strdup(optarg);
311	break;
312	case 'P':
313	case 'p':
314	{
315	lf *file = lf_open(optarg, real_file_name, number_lines);
316	switch (ch) {
317	case 'P':
318	gen_spreg_h(sprs, file);
319	break;
320	case 'p':
321	gen_spreg_c(sprs, file);
322	break;
323	}
324	lf_close(file);
325	}
326	real_file_name = NULL;
327	break;
328	default:
329	error("unknown option\n");
330	}
331	}
332	return 0;
333	}