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86 lines
2.4 KiB
86 lines
2.4 KiB
/*
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* jit-rules-interp.h - Rules that define the interpreter characteristics.
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*
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* Copyright (C) 2004 Southern Storm Software, Pty Ltd.
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*
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* This file is part of the libjit library.
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*
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* The libjit 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 2.1 of
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* the License, or (at your option) any later version.
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*
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* The libjit library is distributed in the hope that it will be useful,
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* but 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 the libjit library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef _JIT_RULES_INTERP_H
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#define _JIT_RULES_INTERP_H
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#include "jit-interp.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Information about all of the registers, in allocation order.
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*/
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#define JIT_REG_INFO \
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{"r0", 0, -1, JIT_REG_ALL | JIT_REG_CALL_USED}, \
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{"r1", 1, -1, JIT_REG_ALL | JIT_REG_CALL_USED}, \
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{"r2", 2, -1, JIT_REG_ALL | JIT_REG_CALL_USED},
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#define JIT_NUM_REGS 3
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#define JIT_NUM_GLOBAL_REGS 0
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/*
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* Define to 1 if we should always load values into registers
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* before operating on them. i.e. the CPU does not have reg-mem
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* and mem-reg addressing modes.
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*/
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#define JIT_ALWAYS_REG_REG 1
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/*
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* The maximum number of bytes to allocate for the prolog.
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* This may be shortened once we know the true prolog size.
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*/
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#define JIT_PROLOG_SIZE jit_function_interp_size
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/*
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* Preferred alignment for the start of functions.
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*/
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#define JIT_FUNCTION_ALIGNMENT (sizeof(void *))
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/*
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* Define this to 1 if the platform allows reads and writes on
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* any byte boundary. Define to 0 if only properly-aligned
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* memory accesses are allowed.
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*/
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#define JIT_ALIGN_OVERRIDES 0
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/*
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* Extra state information that is added to the "jit_gencode" structure.
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*/
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#define jit_extra_gen_state \
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int working_area; \
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int max_working_area; \
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int extra_working_space
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#define jit_extra_gen_init(gen) \
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do { \
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(gen)->working_area = 0; \
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(gen)->max_working_area = 0; \
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(gen)->extra_working_space = 0; \
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} while (0)
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#define jit_extra_gen_cleanup(gen) do { ; } while (0)
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#ifdef __cplusplus
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};
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#endif
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#endif /* _JIT_RULES_INTERP_H */
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