-/* 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_OBJCODES_H_
-#define _SCM_OBJCODES_H_
-
-#include <libguile.h>
-
-struct scm_objcode {
- size_t size; /* objcode size */
- char *base; /* objcode base address */
- int fd; /* file descriptor when mmap'ed */
-};
-
-extern scm_t_bits scm_tc16_objcode;
-
-#define SCM_OBJCODE_P(x) (SCM_SMOB_PREDICATE (scm_tc16_objcode, x))
-#define SCM_OBJCODE_DATA(x) ((struct scm_objcode *) SCM_SMOB_DATA (x))
-#define SCM_VALIDATE_OBJCODE(p,x) SCM_MAKE_VALIDATE (p, x, OBJCODE_P)
-
-#define SCM_OBJCODE_SIZE(x) (SCM_OBJCODE_DATA (x)->size)
-#define SCM_OBJCODE_BASE(x) (SCM_OBJCODE_DATA (x)->base)
-#define SCM_OBJCODE_FD(x) (SCM_OBJCODE_DATA (x)->fd)
-
-extern SCM scm_load_objcode (SCM file);
-extern SCM scm_objcode_to_program (SCM objcode, SCM external);
-extern SCM scm_objcode_p (SCM obj);
-extern SCM scm_bytecode_to_objcode (SCM bytecode, SCM nlocs, SCM nexts);
-extern SCM scm_objcode_to_u8vector (SCM objcode);
-
-extern void scm_bootstrap_objcodes (void);
-extern void scm_init_objcodes (void);
-
-#endif /* _SCM_OBJCODES_H_ */
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/
+/* Copyright (C) 2001, 2009, 2010, 2011 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 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.
+ *
+ * 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_OBJCODES_H_
+#define _SCM_OBJCODES_H_
+
+#include <libguile.h>
+
+/* Objcode data should be directly mappable to this C structure. */
+struct scm_objcode
+{
+ scm_t_uint32 len; /* the maximum index of base[] */
+ scm_t_uint32 metalen; /* well, i lie. this many bytes at the end of
+ base[] for metadata */
+ /* In C99, we'd have:
+ scm_t_uint8 base[]; */
+};
+
+/* Return a pointer to the base of objcode OBJ. */
+#define SCM_C_OBJCODE_BASE(obj) \
+ ((scm_t_uint8 *)(obj) + sizeof (struct scm_objcode))
+
+#define SCM_OBJCODE_TYPE_MMAP (0)
+#define SCM_OBJCODE_TYPE_BYTEVECTOR (1)
+#define SCM_OBJCODE_TYPE_SLICE (2)
+#define SCM_OBJCODE_TYPE_STATIC (3)
+
+#define SCM_OBJCODE_P(x) (SCM_NIMP (x) && SCM_TYP7 (x) == scm_tc7_objcode)
+#define SCM_OBJCODE_DATA(x) ((struct scm_objcode *) SCM_CELL_WORD_1 (x))
+#define SCM_VALIDATE_OBJCODE(p,x) SCM_MAKE_VALIDATE (p, x, OBJCODE_P)
+
+#define SCM_OBJCODE_LEN(x) (SCM_OBJCODE_DATA (x)->len)
+#define SCM_OBJCODE_META_LEN(x) (SCM_OBJCODE_DATA (x)->metalen)
+#define SCM_OBJCODE_TOTAL_LEN(x) (SCM_OBJCODE_LEN (x) + SCM_OBJCODE_META_LEN (x))
+#define SCM_OBJCODE_BASE(x) (SCM_C_OBJCODE_BASE (SCM_OBJCODE_DATA (x)))
+
+#define SCM_MAKE_OBJCODE_TAG(type, flags) (scm_tc7_objcode | (type << 8) | (flags << 16))
+#define SCM_OBJCODE_TYPE(x) ((SCM_CELL_WORD_0 (x) >> 8) & 0xff)
+#define SCM_OBJCODE_FLAGS(x) (SCM_CELL_WORD_0 (x) >> 16)
+#define SCM_OBJCODE_IS_MMAP(x) (SCM_OBJCODE_TYPE (x) == SCM_OBJCODE_TYPE_MMAP)
+#define SCM_OBJCODE_IS_BYTEVECTOR(x) (SCM_OBJCODE_TYPE (x) == SCM_OBJCODE_TYPE_BYTEVECTOR)
+#define SCM_OBJCODE_IS_SLICE(x) (SCM_OBJCODE_TYPE (x) == SCM_OBJCODE_TYPE_SLICE)
+#define SCM_OBJCODE_IS_STATIC(x) (SCM_OBJCODE_TYPE (x) == SCM_OBJCODE_TYPE_STATIC)
+
+#define SCM_OBJCODE_NATIVE_CODE(x) (SCM_CELL_WORD_3 (x))
+#define SCM_SET_OBJCODE_NATIVE_CODE(x, code) (SCM_SET_CELL_WORD_3 (x, code))
+
+SCM_API SCM scm_c_make_objcode_slice (SCM parent, const scm_t_uint8 *ptr);
+SCM_API SCM scm_load_objcode (SCM file);
+SCM_API SCM scm_objcode_p (SCM obj);
+SCM_API SCM scm_objcode_meta (SCM objcode);
+SCM_API SCM scm_bytecode_to_objcode (SCM bytecode);
+SCM_INTERNAL SCM scm_bytecode_to_native_objcode (SCM bytecode);
+SCM_API SCM scm_objcode_to_bytecode (SCM objcode);
+SCM_API SCM scm_write_objcode (SCM objcode, SCM port);
+
+SCM_INTERNAL void scm_i_objcode_print (SCM objcode, SCM port,
+ scm_print_state *pstate);
+SCM_INTERNAL void scm_bootstrap_objcodes (void);
+SCM_INTERNAL void scm_init_objcodes (void);
+
+#endif /* _SCM_OBJCODES_H_ */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff