libguile/instructions.h

   1 /* Copyright (C) 2001, 2009, 2012, 2013 Free Software Foundation, Inc.
   2  *
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public License
   5  * as published by the Free Software Foundation; either version 3 of
   6  * the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  16  * 02110-1301 USA
  17  */
  18
  19 #ifndef _SCM_INSTRUCTIONS_H_
  20 #define _SCM_INSTRUCTIONS_H_
  21
  22 #include <libguile.h>
  23 #include <libguile/vm-operations.h>
  24
  25 #ifdef BUILDING_LIBGUILE
  26
  27 enum scm_opcode
  28   {
  29 #define ENUM(opcode, tag, name, meta) scm_op_##tag = opcode,
  30     FOR_EACH_VM_OPERATION(ENUM)
  31 #undef ENUM
  32   };
  33
  34 #define SCM_PACK_OP_24(op,arg)      (scm_op_##op | (arg) << 8)
  35 #define SCM_PACK_OP_8_8_8(op,a,b,c) SCM_PACK_OP_24 (op, (a) | ((b) << 8) | ((c) << 16))
  36 #define SCM_PACK_OP_8_16(op,a,b)    SCM_PACK_OP_24 (op, (a) | (b) << 8)
  37 #define SCM_PACK_OP_16_8(op,a,b)    SCM_PACK_OP_24 (op, (a) | (b) << 16)
  38 #define SCM_PACK_OP_12_12(op,a,b)   SCM_PACK_OP_24 (op, (a) | (b) << 12)
  39 #define SCM_PACK_OP_ARG_8_24(a,b)   ((a) | ((b) << 8))
  40
  41 #define SCM_VM_NUM_INSTRUCTIONS (1<<8)
  42 #define SCM_VM_INSTRUCTION_MASK (SCM_VM_NUM_INSTRUCTIONS-1)
  43
  44 #endif /* BUILDING_LIBGUILE  */
  45
  46 SCM_INTERNAL SCM scm_instruction_list (void);
  47
  48 SCM_INTERNAL void scm_bootstrap_instructions (void);
  49 SCM_INTERNAL void scm_init_instructions (void);
  50
  51 #endif /* _SCM_INSTRUCTIONS_H_ */
  52
  53 /*
  54   Local Variables:
  55   c-file-style: "gnu"
  56   End:
  57 */