Adapt GDB integration to newest patches
[bpt/guile.git] / libguile / programs.c
dissimilarity index 70%
index 8b346ed..64c861a 100644 (file)
-/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013 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
- */
-
-#if HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include <string.h>
-#include "_scm.h"
-#include "instructions.h"
-#include "modules.h"
-#include "programs.h"
-#include "procprop.h" /* scm_sym_name */
-#include "srcprop.h"  /* scm_sym_filename */
-#include "vm.h"
-
-\f
-static SCM write_program = SCM_BOOL_F;
-
-SCM_DEFINE (scm_make_program, "make-program", 1, 2, 0,
-           (SCM objcode, SCM objtable, SCM free_variables),
-           "")
-#define FUNC_NAME s_scm_make_program
-{
-  SCM_VALIDATE_OBJCODE (1, objcode);
-  if (SCM_UNLIKELY (SCM_UNBNDP (objtable)))
-    objtable = SCM_BOOL_F;
-  else if (scm_is_true (objtable))
-    SCM_VALIDATE_VECTOR (2, objtable);
-
-  if (SCM_UNBNDP (free_variables) || scm_is_false (free_variables))
-    {
-      SCM ret = scm_words (scm_tc7_program, 3);
-      SCM_SET_CELL_OBJECT_1 (ret, objcode);
-      SCM_SET_CELL_OBJECT_2 (ret, objtable);
-      return ret;
-    }
-  else
-    {
-      size_t i, len;
-      SCM ret;
-      SCM_VALIDATE_VECTOR (3, free_variables);
-      len = scm_c_vector_length (free_variables);
-      if (SCM_UNLIKELY (len >> 16))
-        SCM_OUT_OF_RANGE (3, free_variables);
-      ret = scm_words (scm_tc7_program | (len<<16), 3 + len);
-      SCM_SET_CELL_OBJECT_1 (ret, objcode);
-      SCM_SET_CELL_OBJECT_2 (ret, objtable);
-      for (i = 0; i < len; i++)
-        SCM_SET_CELL_OBJECT (ret, 3+i,
-                             SCM_SIMPLE_VECTOR_REF (free_variables, i));
-      return ret;
-    }
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_make_rtl_program, "make-rtl-program", 1, 2, 0,
-           (SCM bytevector, SCM byte_offset, SCM free_variables),
-           "")
-#define FUNC_NAME s_scm_make_rtl_program
-{
-  scm_t_uint8 *code;
-  scm_t_uint32 offset;
-
-  if (!scm_is_bytevector (bytevector))
-    scm_wrong_type_arg (FUNC_NAME, 1, bytevector);
-  if (SCM_UNBNDP (byte_offset))
-    offset = 0;
-  else
-    {
-      offset = scm_to_uint32 (byte_offset);
-      if (offset > SCM_BYTEVECTOR_LENGTH (bytevector))
-        SCM_OUT_OF_RANGE (2, byte_offset);
-    }
-
-  code = (scm_t_uint8*) SCM_BYTEVECTOR_CONTENTS (bytevector) + offset;
-  if (((scm_t_uintptr) code) % 4)
-    SCM_OUT_OF_RANGE (2, byte_offset);
-
-  if (SCM_UNBNDP (free_variables) || scm_is_false (free_variables))
-    return scm_cell (scm_tc7_rtl_program, (scm_t_bits) code);
-  else
-    abort ();
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_rtl_program_code, "rtl-program-code", 1, 0, 0,
-            (SCM program),
-            "")
-#define FUNC_NAME s_scm_rtl_program_code
-{
-  SCM_VALIDATE_RTL_PROGRAM (1, program);
-
-  /* FIXME: we need scm_from_uintptr ().  */
-  return scm_from_size_t ((size_t) SCM_RTL_PROGRAM_CODE (program));
-}
-#undef FUNC_NAME
-
-SCM
-scm_i_rtl_program_name (SCM program)
-{
-  static SCM rtl_program_name = SCM_BOOL_F;
-
-  if (scm_is_false (rtl_program_name) && scm_module_system_booted_p)
-    rtl_program_name =
-        scm_c_private_variable ("system vm program", "rtl-program-name");
-
-  return scm_call_1 (scm_variable_ref (rtl_program_name), program);
-}
-
-SCM
-scm_i_rtl_program_documentation (SCM program)
-{
-  static SCM rtl_program_documentation = SCM_BOOL_F;
-
-  if (scm_is_false (rtl_program_documentation) && scm_module_system_booted_p)
-    rtl_program_documentation =
-      scm_c_private_variable ("system vm program",
-                              "rtl-program-documentation");
-
-  return scm_call_1 (scm_variable_ref (rtl_program_documentation), program);
-}
-
-SCM
-scm_i_rtl_program_properties (SCM program)
-{
-  static SCM rtl_program_properties = SCM_BOOL_F;
-
-  if (scm_is_false (rtl_program_properties) && scm_module_system_booted_p)
-    rtl_program_properties =
-      scm_c_private_variable ("system vm program", "rtl-program-properties");
-
-  return scm_call_1 (scm_variable_ref (rtl_program_properties), program);
-}
-
-void
-scm_i_program_print (SCM program, SCM port, scm_print_state *pstate)
-{
-  static int print_error = 0;
-
-  if (scm_is_false (write_program) && scm_module_system_booted_p)
-    write_program = scm_c_private_variable ("system vm program",
-                                            "write-program");
-  
-  if (SCM_PROGRAM_IS_CONTINUATION (program))
-    {
-      /* twingliness */
-      scm_puts_unlocked ("#<continuation ", port);
-      scm_uintprint (SCM_UNPACK (program), 16, port);
-      scm_putc_unlocked ('>', port);
-    }
-  else if (SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
-    {
-      /* twingliness */
-      scm_puts_unlocked ("#<partial-continuation ", port);
-      scm_uintprint (SCM_UNPACK (program), 16, port);
-      scm_putc_unlocked ('>', port);
-    }
-  else if (scm_is_false (write_program) || print_error)
-    {
-      if (SCM_RTL_PROGRAM_P (program))
-        {
-          scm_puts_unlocked ("#<rtl-program ", port);
-          scm_uintprint (SCM_UNPACK (program), 16, port);
-          scm_putc_unlocked (' ', port);
-          scm_uintprint ((scm_t_uintptr) SCM_RTL_PROGRAM_CODE (program), 16, port);
-          scm_putc_unlocked ('>', port);
-        }
-      else
-        {
-          scm_puts_unlocked ("#<program ", port);
-          scm_uintprint (SCM_UNPACK (program), 16, port);
-          scm_putc_unlocked ('>', port);
-        }
-    }
-  else
-    {
-      print_error = 1;
-      scm_call_2 (SCM_VARIABLE_REF (write_program), program, port);
-      print_error = 0;
-    }
-}
-
-\f
-/*
- * Scheme interface
- */
-
-SCM_DEFINE (scm_program_p, "program?", 1, 0, 0,
-           (SCM obj),
-           "")
-#define FUNC_NAME s_scm_program_p
-{
-  return scm_from_bool (SCM_PROGRAM_P (obj));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_rtl_program_p, "rtl-program?", 1, 0, 0,
-           (SCM obj),
-           "")
-#define FUNC_NAME s_scm_rtl_program_p
-{
-  return scm_from_bool (SCM_RTL_PROGRAM_P (obj));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_base, "program-base", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_base
-{
-  const struct scm_objcode *c_objcode;
-
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  c_objcode = SCM_PROGRAM_DATA (program);
-  return scm_from_unsigned_integer ((scm_t_bits) SCM_C_OBJCODE_BASE (c_objcode));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_objects, "program-objects", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_objects
-{
-  SCM_VALIDATE_PROGRAM (1, program);
-  return SCM_PROGRAM_OBJTABLE (program);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_module, "program-module", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_module
-{
-  SCM objs, mod;
-  SCM_VALIDATE_PROGRAM (1, program);
-  objs = SCM_PROGRAM_OBJTABLE (program);
-  /* If a program is the result of compiling GLIL to assembly, then if
-     it has an objtable, the first entry will be a module.  But some
-     programs are hand-coded trampolines, like boot programs and
-     primitives and the like.  So if a program happens to have a
-     non-module in the first slot of the objtable, assume that it is
-     such a trampoline, and just return #f for the module.  */
-  mod = scm_is_true (objs) ? scm_c_vector_ref (objs, 0) : SCM_BOOL_F;
-  return SCM_MODULEP (mod) ? mod : SCM_BOOL_F;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_meta, "program-meta", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_meta
-{
-  SCM metaobj;
-  
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  metaobj = scm_objcode_meta (SCM_PROGRAM_OBJCODE (program));
-  if (scm_is_true (metaobj))
-    return scm_make_program (metaobj, SCM_PROGRAM_OBJTABLE (program),
-                             SCM_BOOL_F);
-  else
-    return SCM_BOOL_F;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_bindings, "program-bindings", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_bindings
-{
-  SCM meta;
-  
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  meta = scm_program_meta (program);
-  if (scm_is_false (meta))
-    return SCM_BOOL_F;
-  
-  return scm_car (scm_call_0 (meta));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_sources, "program-sources", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_sources
-{
-  SCM meta, sources, ret, filename;
-  
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  meta = scm_program_meta (program);
-  if (scm_is_false (meta))
-    return SCM_EOL;
-  
-  filename = SCM_BOOL_F;
-  ret = SCM_EOL;
-  for (sources = scm_cadr (scm_call_0 (meta)); !scm_is_null (sources);
-       sources = scm_cdr (sources))
-    {
-      SCM x = scm_car (sources);
-      if (scm_is_pair (x))
-        {
-          if (scm_is_number (scm_car (x)))
-            {
-              SCM addr = scm_car (x);
-              ret = scm_acons (addr, scm_cons (filename, scm_cdr (x)),
-                               ret);
-            }
-          else if (scm_is_eq (scm_car (x), scm_sym_filename))
-            filename = scm_cdr (x);
-        }
-    }
-  return scm_reverse_x (ret, SCM_UNDEFINED);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_arities, "program-arities", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_arities
-{
-  SCM meta;
-  
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  meta = scm_program_meta (program);
-  if (scm_is_false (meta))
-    return SCM_BOOL_F;
-
-  return scm_caddr (scm_call_0 (meta));
-}
-#undef FUNC_NAME
-
-SCM
-scm_i_program_properties (SCM program)
-#define FUNC_NAME "%program-properties"
-{
-  SCM meta;
-  
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  meta = scm_program_meta (program);
-  if (scm_is_false (meta))
-    return SCM_EOL;
-  
-  return scm_cdddr (scm_call_0 (meta));
-}
-#undef FUNC_NAME
-
-static SCM
-program_source (SCM program, size_t ip, SCM sources)
-{
-  SCM source = SCM_BOOL_F;
-
-  while (!scm_is_null (sources)
-         && scm_to_size_t (scm_caar (sources)) <= ip)
-    {
-      source = scm_car (sources);
-      sources = scm_cdr (sources);
-    }
-  
-  return source; /* (addr . (filename . (line . column))) */
-}
-
-SCM_DEFINE (scm_program_source, "program-source", 2, 1, 0,
-           (SCM program, SCM ip, SCM sources),
-           "")
-#define FUNC_NAME s_scm_program_source
-{
-  SCM_VALIDATE_PROGRAM (1, program);
-  if (SCM_UNBNDP (sources))
-    sources = scm_program_sources (program);
-  return program_source (program, scm_to_size_t (ip), sources);
-}
-#undef FUNC_NAME
-    
-extern SCM
-scm_c_program_source (SCM program, size_t ip)
-{
-  return program_source (program, ip, scm_program_sources (program));
-}
-
-SCM_DEFINE (scm_program_num_free_variables, "program-num-free-variables", 1, 0, 0,
-           (SCM program),
-           "")
-#define FUNC_NAME s_scm_program_num_free_variables
-{
-  SCM_VALIDATE_PROGRAM (1, program);
-  return scm_from_ulong (SCM_PROGRAM_NUM_FREE_VARIABLES (program));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_free_variable_ref, "program-free-variable-ref", 2, 0, 0,
-           (SCM program, SCM i),
-           "")
-#define FUNC_NAME s_scm_program_free_variable_ref
-{
-  unsigned long idx;
-  SCM_VALIDATE_PROGRAM (1, program);
-  SCM_VALIDATE_ULONG_COPY (2, i, idx);
-  if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
-    SCM_OUT_OF_RANGE (2, i);
-  return SCM_PROGRAM_FREE_VARIABLE_REF (program, idx);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_free_variable_set_x, "program-free-variable-set!", 3, 0, 0,
-           (SCM program, SCM i, SCM x),
-           "")
-#define FUNC_NAME s_scm_program_free_variable_set_x
-{
-  unsigned long idx;
-  SCM_VALIDATE_PROGRAM (1, program);
-  SCM_VALIDATE_ULONG_COPY (2, i, idx);
-  if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
-    SCM_OUT_OF_RANGE (2, i);
-  SCM_PROGRAM_FREE_VARIABLE_SET (program, idx, x);
-  return SCM_UNSPECIFIED;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_objcode, "program-objcode", 1, 0, 0,
-           (SCM program),
-           "Return a @var{program}'s object code.")
-#define FUNC_NAME s_scm_program_objcode
-{
-  SCM_VALIDATE_PROGRAM (1, program);
-
-  return SCM_PROGRAM_OBJCODE (program);
-}
-#undef FUNC_NAME
-
-/* procedure-minimum-arity support. */
-static void
-parse_arity (SCM arity, int *req, int *opt, int *rest)
-{
-  SCM x = scm_cddr (arity);
-  
-  if (scm_is_pair (x))
-    {
-      *req = scm_to_int (scm_car (x));
-      x = scm_cdr (x);
-      if (scm_is_pair (x))
-        {
-          *opt = scm_to_int (scm_car (x));
-          x = scm_cdr (x);
-          if (scm_is_pair (x))
-            *rest = scm_is_true (scm_car (x));
-          else
-            *rest = 0;
-        }
-      else
-        *opt = *rest = 0;
-    }
-  else
-    *req = *opt = *rest = 0;
-}
-  
-static int
-scm_i_rtl_program_minimum_arity (SCM program, int *req, int *opt, int *rest)
-{
-  static SCM rtl_program_minimum_arity = SCM_BOOL_F;
-  SCM l;
-
-  if (scm_is_false (rtl_program_minimum_arity) && scm_module_system_booted_p)
-    rtl_program_minimum_arity =
-        scm_c_private_variable ("system vm program",
-                                "rtl-program-minimum-arity");
-
-  l = scm_call_1 (scm_variable_ref (rtl_program_minimum_arity), program);
-  if (scm_is_false (l))
-    return 0;
-
-  *req = scm_to_int (scm_car (l));
-  *opt = scm_to_int (scm_cadr (l));
-  *rest = scm_is_true (scm_caddr (l));
-
-  return 1;
-}
-
-int
-scm_i_program_arity (SCM program, int *req, int *opt, int *rest)
-{
-  SCM arities;
-  
-  if (SCM_RTL_PROGRAM_P (program))
-    return scm_i_rtl_program_minimum_arity (program, req, opt, rest);
-
-  arities = scm_program_arities (program);
-  if (!scm_is_pair (arities))
-    return 0;
-
-  parse_arity (scm_car (arities), req, opt, rest);
-  arities = scm_cdr (arities);
-  
-  for (; scm_is_pair (arities); arities = scm_cdr (arities))
-    {
-      int thisreq, thisopt, thisrest;
-
-      parse_arity (scm_car (arities), &thisreq, &thisopt, &thisrest);
-
-      if (thisreq < *req
-          || (thisreq == *req
-              && ((thisrest && (!*rest || thisopt > *opt))
-                  || (!thisrest && !*rest && thisopt > *opt))))
-        {
-          *req = thisreq;
-          *opt = thisopt;
-          *rest = thisrest;
-        }
-    }
-
-  return 1;
-}
-
-\f
-
-void
-scm_bootstrap_programs (void)
-{
-  scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
-                            "scm_init_programs",
-                            (scm_t_extension_init_func)scm_init_programs, NULL);
-}
-
-void
-scm_init_programs (void)
-{
-#ifndef SCM_MAGIC_SNARFER
-#include "libguile/programs.x"
-#endif
-}
-
-/*
-  Local Variables:
-  c-file-style: "gnu"
-  End:
-*/
+/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013, 2014 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
+ */
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <string.h>
+#include "_scm.h"
+#include "modules.h"
+#include "programs.h"
+#include "procprop.h" /* scm_sym_name */
+#include "vm.h"
+
+\f
+static SCM write_program = SCM_BOOL_F;
+
+SCM_DEFINE (scm_program_code, "program-code", 1, 0, 0,
+            (SCM program),
+            "")
+#define FUNC_NAME s_scm_program_code
+{
+  SCM_VALIDATE_PROGRAM (1, program);
+
+  return scm_from_uintptr_t ((scm_t_uintptr) SCM_PROGRAM_CODE (program));
+}
+#undef FUNC_NAME
+
+SCM
+scm_i_program_name (SCM program)
+{
+  static SCM program_name = SCM_BOOL_F;
+
+  if (SCM_PRIMITIVE_P (program))
+    return SCM_SUBR_NAME (program);
+
+  if (scm_is_false (program_name) && scm_module_system_booted_p)
+    program_name =
+        scm_c_private_variable ("system vm program", "program-name");
+
+  return scm_call_1 (scm_variable_ref (program_name), program);
+}
+
+SCM
+scm_i_program_documentation (SCM program)
+{
+  static SCM program_documentation = SCM_BOOL_F;
+
+  if (SCM_PRIMITIVE_P (program))
+    return SCM_BOOL_F;
+
+  if (scm_is_false (program_documentation) && scm_module_system_booted_p)
+    program_documentation =
+      scm_c_private_variable ("system vm program", "program-documentation");
+
+  return scm_call_1 (scm_variable_ref (program_documentation), program);
+}
+
+SCM
+scm_i_program_properties (SCM program)
+{
+  static SCM program_properties = SCM_BOOL_F;
+
+  if (SCM_PRIMITIVE_P (program))
+    {
+      SCM name = scm_i_program_name (program);
+      if (scm_is_false (name))
+        return SCM_EOL;
+      return scm_acons (scm_sym_name, name, SCM_EOL);
+    }
+
+  if (scm_is_false (program_properties) && scm_module_system_booted_p)
+    program_properties =
+      scm_c_private_variable ("system vm program", "program-properties");
+
+  return scm_call_1 (scm_variable_ref (program_properties), program);
+}
+
+void
+scm_i_program_print (SCM program, SCM port, scm_print_state *pstate)
+{
+  static int print_error = 0;
+
+  if (scm_is_false (write_program) && scm_module_system_booted_p)
+    write_program = scm_c_private_variable ("system vm program",
+                                            "write-program");
+  
+  if (SCM_PROGRAM_IS_CONTINUATION (program))
+    {
+      /* twingliness */
+      scm_puts_unlocked ("#<continuation ", port);
+      scm_uintprint (SCM_UNPACK (program), 16, port);
+      scm_putc_unlocked ('>', port);
+    }
+  else if (SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
+    {
+      /* twingliness */
+      scm_puts_unlocked ("#<partial-continuation ", port);
+      scm_uintprint (SCM_UNPACK (program), 16, port);
+      scm_putc_unlocked ('>', port);
+    }
+  else if (scm_is_false (write_program) || print_error)
+    {
+      scm_puts_unlocked ("#<program ", port);
+      scm_uintprint (SCM_UNPACK (program), 16, port);
+      scm_putc_unlocked (' ', port);
+      scm_uintprint ((scm_t_uintptr) SCM_PROGRAM_CODE (program), 16, port);
+      scm_putc_unlocked ('>', port);
+    }
+  else
+    {
+      print_error = 1;
+      scm_call_2 (SCM_VARIABLE_REF (write_program), program, port);
+      print_error = 0;
+    }
+}
+
+\f
+/*
+ * Scheme interface
+ */
+
+SCM_DEFINE (scm_program_p, "program?", 1, 0, 0,
+           (SCM obj),
+           "")
+#define FUNC_NAME s_scm_program_p
+{
+  return scm_from_bool (SCM_PROGRAM_P (obj));
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_primitive_p, "primitive?", 1, 0, 0,
+           (SCM obj),
+           "")
+#define FUNC_NAME s_scm_primitive_p
+{
+  return scm_from_bool (SCM_PRIMITIVE_P (obj));
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_primitive_call_ip, "primitive-call-ip", 1, 0, 0,
+           (SCM prim),
+           "")
+#define FUNC_NAME s_scm_primitive_p
+{
+  SCM_MAKE_VALIDATE (1, prim, PRIMITIVE_P);
+
+  return scm_from_uintptr_t (scm_i_primitive_call_ip (prim));
+}
+#undef FUNC_NAME
+
+SCM
+scm_find_source_for_addr (SCM ip)
+{
+  static SCM source_for_addr = SCM_BOOL_F;
+
+  if (scm_is_false (source_for_addr)) {
+    if (!scm_module_system_booted_p)
+      return SCM_BOOL_F;
+
+    source_for_addr =
+      scm_c_private_variable ("system vm program", "source-for-addr");
+  }
+
+  return scm_call_1 (scm_variable_ref (source_for_addr), ip);
+}
+
+SCM
+scm_program_address_range (SCM program)
+{
+  static SCM program_address_range = SCM_BOOL_F;
+
+  if (scm_is_false (program_address_range) && scm_module_system_booted_p)
+    program_address_range =
+      scm_c_private_variable ("system vm program", "program-address-range");
+
+  return scm_call_1 (scm_variable_ref (program_address_range), program);
+}
+
+SCM_DEFINE (scm_program_num_free_variables, "program-num-free-variables", 1, 0, 0,
+           (SCM program),
+           "")
+#define FUNC_NAME s_scm_program_num_free_variables
+{
+  SCM_VALIDATE_PROGRAM (1, program);
+
+  return scm_from_ulong (SCM_PROGRAM_NUM_FREE_VARIABLES (program));
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_program_free_variable_ref, "program-free-variable-ref", 2, 0, 0,
+           (SCM program, SCM i),
+           "")
+#define FUNC_NAME s_scm_program_free_variable_ref
+{
+  unsigned long idx;
+
+  SCM_VALIDATE_PROGRAM (1, program);
+  SCM_VALIDATE_ULONG_COPY (2, i, idx);
+  if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
+    SCM_OUT_OF_RANGE (2, i);
+  return SCM_PROGRAM_FREE_VARIABLE_REF (program, idx);
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_program_free_variable_set_x, "program-free-variable-set!", 3, 0, 0,
+           (SCM program, SCM i, SCM x),
+           "")
+#define FUNC_NAME s_scm_program_free_variable_set_x
+{
+  unsigned long idx;
+
+  SCM_VALIDATE_PROGRAM (1, program);
+  SCM_VALIDATE_ULONG_COPY (2, i, idx);
+  if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
+    SCM_OUT_OF_RANGE (2, i);
+  SCM_PROGRAM_FREE_VARIABLE_SET (program, idx, x);
+  return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+int
+scm_i_program_arity (SCM program, int *req, int *opt, int *rest)
+{
+  static SCM program_minimum_arity = SCM_BOOL_F;
+  SCM l;
+
+  if (SCM_PRIMITIVE_P (program))
+    return scm_i_primitive_arity (program, req, opt, rest);
+
+  if (SCM_PROGRAM_IS_FOREIGN (program))
+    return scm_i_foreign_arity (program, req, opt, rest);
+
+  if (SCM_PROGRAM_IS_CONTINUATION (program)
+      || SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
+    {
+      *req = *opt = 0;
+      *rest = 1;
+      return 1;
+    }
+
+  if (scm_is_false (program_minimum_arity) && scm_module_system_booted_p)
+    program_minimum_arity =
+        scm_c_private_variable ("system vm program", "program-minimum-arity");
+
+  l = scm_call_1 (scm_variable_ref (program_minimum_arity), program);
+  if (scm_is_false (l))
+    return 0;
+
+  *req = scm_to_int (scm_car (l));
+  *opt = scm_to_int (scm_cadr (l));
+  *rest = scm_is_true (scm_caddr (l));
+
+  return 1;
+}
+
+\f
+
+void
+scm_bootstrap_programs (void)
+{
+  scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
+                            "scm_init_programs",
+                            (scm_t_extension_init_func)scm_init_programs, NULL);
+}
+
+void
+scm_init_programs (void)
+{
+#ifndef SCM_MAGIC_SNARFER
+#include "libguile/programs.x"
+#endif
+}
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/