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-rw-r--r--libguile/frames.h104
1 files changed, 39 insertions, 65 deletions
diff --git a/libguile/frames.h b/libguile/frames.h
index 836763700..1b3153a3e 100644
--- a/libguile/frames.h
+++ b/libguile/frames.h
@@ -1,43 +1,20 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2009 Free Software Foundation, Inc.
+ * *
+ * 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 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
+ * 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.
*
- * 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. */
+ * 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
+ */
#ifndef _SCM_FRAMES_H_
#define _SCM_FRAMES_H_
@@ -53,12 +30,11 @@
/* VM Frame Layout
---------------
- | | <- fp + bp->nargs + bp->nlocs + 4
+ | | <- fp + bp->nargs + bp->nlocs + 3
+------------------+ = SCM_FRAME_UPPER_ADDRESS (fp)
| Return address |
| MV return address|
- | Dynamic link |
- | External link | <- fp + bp->nargs + bp->nlocs
+ | Dynamic link | <- fp + bp->nargs + bp->blocs
| Local variable 1 | = SCM_FRAME_DATA_ADDRESS (fp)
| Local variable 0 | <- fp + bp->nargs
| Argument 1 |
@@ -74,21 +50,20 @@
#define SCM_FRAME_DATA_ADDRESS(fp) \
(fp + SCM_PROGRAM_DATA (SCM_FRAME_PROGRAM (fp))->nargs \
+ SCM_PROGRAM_DATA (SCM_FRAME_PROGRAM (fp))->nlocs)
-#define SCM_FRAME_UPPER_ADDRESS(fp) (SCM_FRAME_DATA_ADDRESS (fp) + 4)
+#define SCM_FRAME_UPPER_ADDRESS(fp) (SCM_FRAME_DATA_ADDRESS (fp) + 3)
#define SCM_FRAME_LOWER_ADDRESS(fp) (fp - 1)
#define SCM_FRAME_BYTE_CAST(x) ((scm_byte_t *) SCM_UNPACK (x))
#define SCM_FRAME_STACK_CAST(x) ((SCM *) SCM_UNPACK (x))
#define SCM_FRAME_RETURN_ADDRESS(fp) \
- (SCM_FRAME_BYTE_CAST (SCM_FRAME_DATA_ADDRESS (fp)[3]))
-#define SCM_FRAME_MV_RETURN_ADDRESS(fp) \
(SCM_FRAME_BYTE_CAST (SCM_FRAME_DATA_ADDRESS (fp)[2]))
+#define SCM_FRAME_MV_RETURN_ADDRESS(fp) \
+ (SCM_FRAME_BYTE_CAST (SCM_FRAME_DATA_ADDRESS (fp)[1]))
#define SCM_FRAME_DYNAMIC_LINK(fp) \
- (SCM_FRAME_STACK_CAST (SCM_FRAME_DATA_ADDRESS (fp)[1]))
+ (SCM_FRAME_STACK_CAST (SCM_FRAME_DATA_ADDRESS (fp)[0]))
#define SCM_FRAME_SET_DYNAMIC_LINK(fp, dl) \
- ((SCM_FRAME_DATA_ADDRESS (fp)[1])) = (SCM)(dl);
-#define SCM_FRAME_EXTERNAL_LINK(fp) (SCM_FRAME_DATA_ADDRESS (fp)[0])
+ ((SCM_FRAME_DATA_ADDRESS (fp)[0])) = (SCM)(dl);
#define SCM_FRAME_VARIABLE(fp,i) fp[i]
#define SCM_FRAME_PROGRAM(fp) fp[-1]
@@ -97,7 +72,7 @@
* Heap frames
*/
-extern scm_t_bits scm_tc16_vm_frame;
+SCM_API scm_t_bits scm_tc16_vm_frame;
struct scm_vm_frame
{
@@ -118,24 +93,23 @@ struct scm_vm_frame
#define SCM_VALIDATE_VM_FRAME(p,x) SCM_MAKE_VALIDATE (p, x, VM_FRAME_P)
/* FIXME rename scm_byte_t */
-extern SCM scm_c_make_vm_frame (SCM stack_holder, SCM *fp, SCM *sp,
+SCM_API SCM scm_c_make_vm_frame (SCM stack_holder, SCM *fp, SCM *sp,
scm_byte_t *ip, scm_t_ptrdiff offset);
-extern SCM scm_vm_frame_p (SCM obj);
-extern SCM scm_vm_frame_program (SCM frame);
-extern SCM scm_vm_frame_arguments (SCM frame);
-extern SCM scm_vm_frame_source (SCM frame);
-extern SCM scm_vm_frame_local_ref (SCM frame, SCM index);
-extern SCM scm_vm_frame_local_set_x (SCM frame, SCM index, SCM val);
-extern SCM scm_vm_frame_return_address (SCM frame);
-extern SCM scm_vm_frame_mv_return_address (SCM frame);
-extern SCM scm_vm_frame_dynamic_link (SCM frame);
-extern SCM scm_vm_frame_external_link (SCM frame);
-extern SCM scm_vm_frame_stack (SCM frame);
-
-extern SCM scm_c_vm_frame_prev (SCM frame);
-
-extern void scm_bootstrap_frames (void);
-extern void scm_init_frames (void);
+SCM_API SCM scm_vm_frame_p (SCM obj);
+SCM_API SCM scm_vm_frame_program (SCM frame);
+SCM_API SCM scm_vm_frame_arguments (SCM frame);
+SCM_API SCM scm_vm_frame_source (SCM frame);
+SCM_API SCM scm_vm_frame_local_ref (SCM frame, SCM index);
+SCM_API SCM scm_vm_frame_local_set_x (SCM frame, SCM index, SCM val);
+SCM_API SCM scm_vm_frame_return_address (SCM frame);
+SCM_API SCM scm_vm_frame_mv_return_address (SCM frame);
+SCM_API SCM scm_vm_frame_dynamic_link (SCM frame);
+SCM_API SCM scm_vm_frame_stack (SCM frame);
+
+SCM_API SCM scm_c_vm_frame_prev (SCM frame);
+
+SCM_INTERNAL void scm_bootstrap_frames (void);
+SCM_INTERNAL void scm_init_frames (void);
#endif /* _SCM_FRAMES_H_ */