-/* Copyright (C) 2001 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 2, 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.
+/* Copyright (C) 2001, 2009, 2010, 2011 Free Software Foundation, Inc.
*
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
*
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
+ * This library 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
+ * Lesser General Public License for more details.
*
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
-#include "vm-bootstrap.h"
+
+#include "_scm.h"
+#include "threads.h"
#include "instructions.h"
+
struct scm_instruction {
enum scm_opcode opcode; /* opcode */
const char *name; /* instruction name */
} while (0)
+static scm_i_pthread_mutex_t itable_lock = SCM_I_PTHREAD_MUTEX_INITIALIZER;
+
+
static struct scm_instruction*
fetch_instruction_table ()
{
static struct scm_instruction *table = NULL;
+ scm_i_pthread_mutex_lock (&itable_lock);
if (SCM_UNLIKELY (!table))
{
- size_t bytes = scm_op_last * sizeof(struct scm_instruction);
+ size_t bytes = SCM_VM_NUM_INSTRUCTIONS * sizeof(struct scm_instruction);
int i;
table = malloc (bytes);
memset (table, 0, bytes);
#define VM_INSTRUCTION_TO_TABLE 1
-#include "vm-expand.h"
-#include "vm-i-system.i"
-#include "vm-i-scheme.i"
-#include "vm-i-loader.i"
+#include <libguile/vm-expand.h>
+#include <libguile/vm-i-system.i>
+#include <libguile/vm-i-scheme.i>
+#include <libguile/vm-i-loader.i>
#undef VM_INSTRUCTION_TO_TABLE
- for (i = 0; i < scm_op_last; i++)
+ for (i = 0; i < SCM_VM_NUM_INSTRUCTIONS; i++)
{
table[i].opcode = i;
if (table[i].name)
table[i].symname = SCM_BOOL_F;
}
}
+ scm_i_pthread_mutex_unlock (&itable_lock);
+
return table;
}
struct scm_instruction *table = fetch_instruction_table ();
SCM op;
- if (SCM_UNLIKELY (SCM_FALSEP (instructions_by_name)))
- {
- int i;
- instructions_by_name = scm_make_hash_table (SCM_I_MAKINUM (scm_op_last));
- for (i = 0; i < scm_op_last; i++)
+ if (SCM_UNLIKELY (scm_is_false (instructions_by_name)))
+ {
+ unsigned int i;
+
+ instructions_by_name =
+ scm_make_hash_table (SCM_I_MAKINUM (SCM_VM_NUM_INSTRUCTIONS));
+
+ for (i = 0; i < SCM_VM_NUM_INSTRUCTIONS; i++)
if (scm_is_true (table[i].symname))
scm_hashq_set_x (instructions_by_name, table[i].symname,
SCM_I_MAKINUM (i));
- instructions_by_name = scm_permanent_object (instructions_by_name);
}
-
+
op = scm_hashq_ref (instructions_by_name, name, SCM_UNDEFINED);
if (SCM_I_INUMP (op))
return &table[SCM_I_INUM (op)];
#define FUNC_NAME s_scm_instruction_list
{
SCM list = SCM_EOL;
- struct scm_instruction *ip;
- for (ip = fetch_instruction_table (); ip->opcode != scm_op_last; ip++)
- if (ip->name)
- list = scm_cons (ip->symname, list);
+ int i;
+ struct scm_instruction *ip = fetch_instruction_table ();
+ for (i = 0; i < SCM_VM_NUM_INSTRUCTIONS; i++)
+ if (ip[i].name)
+ list = scm_cons (ip[i].symname, list);
return scm_reverse_x (list, SCM_EOL);
}
#undef FUNC_NAME
"")
#define FUNC_NAME s_scm_instruction_p
{
- return SCM_BOOL (scm_lookup_instruction_by_name (obj));
+ return scm_from_bool (scm_lookup_instruction_by_name (obj) != NULL);
}
#undef FUNC_NAME
"")
#define FUNC_NAME s_scm_opcode_to_instruction
{
- int opcode;
+ scm_t_signed_bits opcode;
SCM ret = SCM_BOOL_F;
SCM_MAKE_VALIDATE (1, op, I_INUMP);
opcode = SCM_I_INUM (op);
- if (opcode < scm_op_last)
+ if (opcode >= 0 && opcode < SCM_VM_NUM_INSTRUCTIONS)
ret = fetch_instruction_table ()[opcode].symname;
if (scm_is_false (ret))
void
scm_bootstrap_instructions (void)
{
+ scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
+ "scm_init_instructions",
+ (scm_t_extension_init_func)scm_init_instructions,
+ NULL);
}
void
scm_init_instructions (void)
{
- scm_bootstrap_vm ();
-
#ifndef SCM_MAGIC_SNARFER
-#include "instructions.x"
+#include "libguile/instructions.x"
#endif
}
HCoop / bpt / guile.git / blobdiff