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062888f7bb
* libguile/instructions.h (SCM_PACK_RTL_8_8_8): Fix typo. (SCM_PACK_RTL_16_8): Fix erroneous shift offset.
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/* Copyright (C) 2001, 2009, 2012 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef _SCM_INSTRUCTIONS_H_
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#define _SCM_INSTRUCTIONS_H_
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#include <libguile.h>
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#include <libguile/vm-operations.h>
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enum scm_rtl_opcode
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{
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#define ENUM(opcode, tag, name, meta) scm_rtl_op_##tag = opcode,
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FOR_EACH_VM_OPERATION(ENUM)
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#undef ENUM
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};
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#define SCM_PACK_RTL_8_8_8(op,a,b,c) ((op) | ((a) << 8) | ((b) << 16) | ((c) << 24))
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#define SCM_PACK_RTL_8_16(op,a,b) ((op) | ((a) << 8) | ((b) << 16))
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#define SCM_PACK_RTL_16_8(op,a,b) ((op) | ((a) << 8) | ((b) << 24))
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#define SCM_PACK_RTL_24(op,a) ((op) | ((a) << 8))
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#define SCM_UNPACK_RTL_8_8_8(op,a,b,c) \
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do \
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{ \
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a = (op >> 8) & 0xff; \
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b = (op >> 16) & 0xff; \
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c = op >> 24; \
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} \
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while (0)
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#define SCM_UNPACK_RTL_8_16(op,a,b) \
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do \
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{ \
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a = (op >> 8) & 0xff; \
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b = op >> 16; \
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} \
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while (0)
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#define SCM_UNPACK_RTL_16_8(op,a,b) \
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do \
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{ \
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a = (op >> 8) & 0xffff; \
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b = op >> 24; \
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} \
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while (0)
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#define SCM_UNPACK_RTL_12_12(op,a,b) \
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do \
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{ \
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a = (op >> 8) & 0xfff; \
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b = op >> 20; \
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} \
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while (0)
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#define SCM_UNPACK_RTL_24(op,a) \
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do \
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{ \
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a = op >> 8; \
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} \
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while (0)
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#define SCM_VM_NUM_INSTRUCTIONS (1<<8)
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#define SCM_VM_INSTRUCTION_MASK (SCM_VM_NUM_INSTRUCTIONS-1)
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enum scm_opcode {
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#define VM_INSTRUCTION_TO_OPCODE 1
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#include <libguile/vm-expand.h>
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#include <libguile/vm-i-system.i>
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#include <libguile/vm-i-scheme.i>
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#include <libguile/vm-i-loader.i>
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#undef VM_INSTRUCTION_TO_OPCODE
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};
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SCM_INTERNAL SCM scm_rtl_instruction_list (void);
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SCM_API SCM scm_instruction_list (void);
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SCM_API SCM scm_instruction_p (SCM obj);
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SCM_API SCM scm_instruction_length (SCM inst);
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SCM_API SCM scm_instruction_pops (SCM inst);
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SCM_API SCM scm_instruction_pushes (SCM inst);
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SCM_API SCM scm_instruction_to_opcode (SCM inst);
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SCM_API SCM scm_opcode_to_instruction (SCM op);
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SCM_INTERNAL void scm_bootstrap_instructions (void);
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SCM_INTERNAL void scm_init_instructions (void);
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#endif /* _SCM_INSTRUCTIONS_H_ */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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