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/* Copyright (C) 2001, 2009, 2012 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_INSTRUCTIONS_H_
#define _SCM_INSTRUCTIONS_H_
#include <libguile.h>
#include <libguile/vm-operations.h>
enum scm_rtl_opcode
{
#define ENUM(opcode, tag, name, meta) scm_rtl_op_##tag = opcode,
FOR_EACH_VM_OPERATION(ENUM)
#undef ENUM
};
#define SCM_PACK_RTL_8_8_8(op,a,b,c) ((op) | ((a) << 8) | ((b) << 16) | ((d) << 24))
#define SCM_PACK_RTL_8_16(op,a,b) ((op) | ((a) << 8) | ((b) << 16))
#define SCM_PACK_RTL_16_8(op,a,b) ((op) | ((a) << 16) | ((b) << 24))
#define SCM_PACK_RTL_24(op,a) ((op) | ((a) << 8))
#define SCM_UNPACK_RTL_8_8_8(op,a,b,c) \
do \
{ \
a = (op >> 8) & 0xff; \
b = (op >> 16) & 0xff; \
c = op >> 24; \
} \
while (0)
#define SCM_UNPACK_RTL_8_16(op,a,b) \
do \
{ \
a = (op >> 8) & 0xff; \
b = op >> 16; \
} \
while (0)
#define SCM_UNPACK_RTL_16_8(op,a,b) \
do \
{ \
a = (op >> 8) & 0xffff; \
b = op >> 24; \
} \
while (0)
#define SCM_UNPACK_RTL_12_12(op,a,b) \
do \
{ \
a = (op >> 8) & 0xfff; \
b = op >> 20; \
} \
while (0)
#define SCM_UNPACK_RTL_24(op,a) \
do \
{ \
a = op >> 8; \
} \
while (0)
#define SCM_VM_NUM_INSTRUCTIONS (1<<8)
#define SCM_VM_INSTRUCTION_MASK (SCM_VM_NUM_INSTRUCTIONS-1)
enum scm_opcode {
#define VM_INSTRUCTION_TO_OPCODE 1
#include <libguile/vm-expand.h>
#include <libguile/vm-i-system.i>
#include <libguile/vm-i-scheme.i>
#include <libguile/vm-i-loader.i>
#undef VM_INSTRUCTION_TO_OPCODE
};
SCM_INTERNAL SCM scm_rtl_instruction_list (void);
SCM_API SCM scm_instruction_list (void);
SCM_API SCM scm_instruction_p (SCM obj);
SCM_API SCM scm_instruction_length (SCM inst);
SCM_API SCM scm_instruction_pops (SCM inst);
SCM_API SCM scm_instruction_pushes (SCM inst);
SCM_API SCM scm_instruction_to_opcode (SCM inst);
SCM_API SCM scm_opcode_to_instruction (SCM op);
SCM_INTERNAL void scm_bootstrap_instructions (void);
SCM_INTERNAL void scm_init_instructions (void);
#endif /* _SCM_INSTRUCTIONS_H_ */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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