1 files changed, 90 insertions, 0 deletions
diff --git a/src/vm.h b/src/vm.h
new file mode 100644
index 000000000..e3cdc25ef
--- /dev/null
+++ b/src/vm.h
@@ -0,0 +1,90 @@
+/* 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.
+ *
+ * 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 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.
+ *
+ * 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.  */
+
+#ifndef _SCM_VM_H_
+#define _SCM_VM_H_
+
+#include <libguile.h>
+
+#define SCM_VM_BOOT_HOOK	0
+#define SCM_VM_HALT_HOOK	1
+#define SCM_VM_NEXT_HOOK	2
+#define SCM_VM_BREAK_HOOK	3
+#define SCM_VM_ENTER_HOOK	4
+#define SCM_VM_APPLY_HOOK	5
+#define SCM_VM_EXIT_HOOK	6
+#define SCM_VM_RETURN_HOOK	7
+#define SCM_VM_NUM_HOOKS	8
+
+struct scm_vm {
+  scm_byte_t *ip;		/* instruction pointer */
+  SCM *sp;			/* stack pointer */
+  SCM *fp;			/* frame pointer */
+  size_t stack_size;		/* stack size */
+  SCM *stack_base;		/* stack base address */
+  SCM *stack_limit;		/* stack limit address */
+  SCM this_frame;		/* currrent frame */
+  SCM last_frame;		/* last frame */
+  SCM hooks[SCM_VM_NUM_HOOKS];	/* hooks */
+  SCM options;			/* options */
+  unsigned long time;		/* time spent */
+  unsigned long clock;		/* bogos clock */
+};
+
+#define SCM_VM_P(x)		SCM_SMOB_PREDICATE (scm_tc16_vm, x)
+#define SCM_VM_DATA(vm)		((struct scm_vm *) SCM_SMOB_DATA (vm))
+#define SCM_VALIDATE_VM(pos,x)	SCM_MAKE_VALIDATE (pos, x, VM_P)
+
+extern SCM scm_the_vm ();
+extern SCM scm_make_vm (void);
+extern SCM scm_vm_apply (SCM vm, SCM program, SCM args);
+extern SCM scm_vm_option_ref (SCM vm, SCM key);
+extern SCM scm_vm_option_set_x (SCM vm, SCM key, SCM val);
+
+extern void scm_init_vm (void);
+
+#endif /* _SCM_VM_H_ */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/