-/* 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>
-#include <libguile/programs.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;
-
-typedef SCM (*scm_t_vm_engine) (struct scm_vm *vp, SCM program, SCM *argv, int nargs);
-
-#define SCM_VM_REGULAR_ENGINE 0
-#define SCM_VM_DEBUG_ENGINE 1
-#define SCM_VM_NUM_ENGINES 2
-
-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 */
- int engine; /* which vm engine we're using */
- SCM hooks[SCM_VM_NUM_HOOKS]; /* hooks */
- SCM options; /* options */
- unsigned long time; /* time spent */
- unsigned long clock; /* bogos clock */
- SCM trace_frame; /* a frame being traced */
-};
-
-extern SCM scm_the_vm_fluid;
-
-#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_c_vm_run (struct scm_vm *vp, SCM program, SCM *argv, int nargs);
-extern SCM scm_vm_option_ref (SCM vm, SCM key);
-extern SCM scm_vm_option_set_x (SCM vm, SCM key, SCM val);
-
-extern SCM scm_vm_version (void);
-extern SCM scm_the_vm (void);
-extern SCM scm_vm_p (SCM obj);
-extern SCM scm_vm_ip (SCM vm);
-extern SCM scm_vm_sp (SCM vm);
-extern SCM scm_vm_fp (SCM vm);
-extern SCM scm_vm_boot_hook (SCM vm);
-extern SCM scm_vm_halt_hook (SCM vm);
-extern SCM scm_vm_next_hook (SCM vm);
-extern SCM scm_vm_break_hook (SCM vm);
-extern SCM scm_vm_enter_hook (SCM vm);
-extern SCM scm_vm_apply_hook (SCM vm);
-extern SCM scm_vm_exit_hook (SCM vm);
-extern SCM scm_vm_return_hook (SCM vm);
-extern SCM scm_vm_option (SCM vm, SCM key);
-extern SCM scm_set_vm_option_x (SCM vm, SCM key, SCM val);
-extern SCM scm_vm_stats (SCM vm);
-extern SCM scm_vm_trace_frame (SCM vm);
-
-struct scm_vm_cont {
- scm_byte_t *ip;
- SCM *sp;
- SCM *fp;
- scm_t_ptrdiff stack_size;
- SCM *stack_base;
- scm_t_ptrdiff reloc;
-};
-
-extern scm_t_bits scm_tc16_vm_cont;
-#define SCM_VM_CONT_P(OBJ) SCM_SMOB_PREDICATE (scm_tc16_vm_cont, OBJ)
-#define SCM_VM_CONT_DATA(CONT) ((struct scm_vm_cont *) SCM_CELL_WORD_1 (CONT))
-
-extern SCM scm_vm_capture_continuations (void);
-extern void scm_vm_reinstate_continuations (SCM conts);
-
-extern SCM scm_load_compiled_with_vm (SCM file);
-
-extern void scm_init_vm (void);
-
-#endif /* _SCM_VM_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_VM_H_
+#define _SCM_VM_H_
+
+#include <libguile.h>
+#include <libguile/programs.h>
+
+enum {
+ SCM_VM_APPLY_HOOK,
+ SCM_VM_PUSH_CONTINUATION_HOOK,
+ SCM_VM_POP_CONTINUATION_HOOK,
+ SCM_VM_NEXT_HOOK,
+ SCM_VM_ABORT_CONTINUATION_HOOK,
+ SCM_VM_RESTORE_CONTINUATION_HOOK,
+ SCM_VM_NUM_HOOKS,
+};
+
+struct scm_vm;
+
+typedef SCM (*scm_t_vm_engine) (SCM vm, SCM program, SCM *argv, int nargs);
+
+#define SCM_VM_REGULAR_ENGINE 0
+#define SCM_VM_DEBUG_ENGINE 1
+#define SCM_VM_NUM_ENGINES 2
+
+struct scm_vm {
+ scm_t_uint8 *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 */
+ int engine; /* which vm engine we're using */
+ SCM hooks[SCM_VM_NUM_HOOKS]; /* hooks */
+ int trace_level; /* traces enabled if trace_level > 0 */
+ scm_t_int64 cookie; /* used to detect unrewindable continuations */
+};
+
+SCM_API SCM scm_the_vm_fluid;
+
+#define SCM_VM_P(x) (SCM_NIMP (x) && SCM_TYP7 (x) == scm_tc7_vm)
+#define SCM_VM_DATA(vm) ((struct scm_vm *) SCM_CELL_WORD_1 (vm))
+#define SCM_VALIDATE_VM(pos,x) SCM_MAKE_VALIDATE (pos, x, VM_P)
+
+SCM_API SCM scm_the_vm (void);
+SCM_API SCM scm_make_vm (void);
+
+SCM_API SCM scm_the_vm (void);
+SCM_API SCM scm_call_with_vm (SCM vm, SCM proc, SCM args);
+
+SCM_API SCM scm_vm_p (SCM obj);
+SCM_API SCM scm_vm_ip (SCM vm);
+SCM_API SCM scm_vm_sp (SCM vm);
+SCM_API SCM scm_vm_fp (SCM vm);
+SCM_API SCM scm_vm_apply_hook (SCM vm);
+SCM_API SCM scm_vm_push_continuation_hook (SCM vm);
+SCM_API SCM scm_vm_pop_continuation_hook (SCM vm);
+SCM_API SCM scm_vm_abort_continuation_hook (SCM vm);
+SCM_API SCM scm_vm_restore_continuation_hook (SCM vm);
+SCM_API SCM scm_vm_next_hook (SCM vm);
+SCM_API SCM scm_vm_trace_level (SCM vm);
+SCM_API SCM scm_set_vm_trace_level_x (SCM vm, SCM level);
+SCM_API SCM scm_vm_engine (SCM vm);
+SCM_API SCM scm_set_vm_engine_x (SCM vm, SCM engine);
+SCM_API SCM scm_set_default_vm_engine_x (SCM engine);
+SCM_API void scm_c_set_vm_engine_x (SCM vm, int engine);
+SCM_API void scm_c_set_default_vm_engine_x (int engine);
+
+#define SCM_F_VM_CONT_PARTIAL 0x1
+#define SCM_F_VM_CONT_REWINDABLE 0x2
+
+struct scm_vm_cont {
+ SCM *sp;
+ SCM *fp;
+ scm_t_uint8 *ra, *mvra;
+ scm_t_ptrdiff stack_size;
+ SCM *stack_base;
+ scm_t_ptrdiff reloc;
+ scm_t_uint32 flags;
+};
+
+#define SCM_VM_CONT_P(OBJ) (SCM_NIMP (OBJ) && SCM_TYP7 (OBJ) == scm_tc7_vm_cont)
+#define SCM_VM_CONT_DATA(CONT) ((struct scm_vm_cont *) SCM_CELL_WORD_1 (CONT))
+#define SCM_VM_CONT_PARTIAL_P(CONT) (SCM_VM_CONT_DATA (CONT)->flags & SCM_F_VM_CONT_PARTIAL)
+#define SCM_VM_CONT_REWINDABLE_P(CONT) (SCM_VM_CONT_DATA (CONT)->flags & SCM_F_VM_CONT_REWINDABLE)
+
+SCM_API SCM scm_load_compiled_with_vm (SCM file);
+
+SCM_INTERNAL SCM scm_c_vm_run (SCM vm, SCM program, SCM *argv, int nargs);
+
+SCM_INTERNAL void scm_i_vm_print (SCM x, SCM port,
+ scm_print_state *pstate);
+SCM_INTERNAL SCM scm_i_vm_capture_continuation (SCM vm);
+SCM_INTERNAL SCM scm_i_vm_capture_stack (SCM *stack_base, SCM *fp, SCM *sp,
+ scm_t_uint8 *ra, scm_t_uint8 *mvra,
+ scm_t_uint32 flags);
+SCM_INTERNAL void scm_i_vm_cont_print (SCM x, SCM port,
+ scm_print_state *pstate);
+SCM_INTERNAL void scm_bootstrap_vm (void);
+SCM_INTERNAL void scm_init_vm (void);
+
+#endif /* _SCM_VM_H_ */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff