47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
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/*
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* Helper functions for guest memory tracing
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*
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* Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef TRACE__MEM_INTERNAL_H
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#define TRACE__MEM_INTERNAL_H
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static inline uint8_t trace_mem_get_info(TCGMemOp op, bool store)
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{
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uint8_t res = op;
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bool be = (op & MO_BSWAP) == MO_BE;
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/* remove untraced fields */
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res &= (1ULL << 4) - 1;
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/* make endianness absolute */
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res &= ~MO_BSWAP;
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if (be) {
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res |= 1ULL << 3;
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}
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/* add fields */
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if (store) {
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res |= 1ULL << 4;
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}
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return res;
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}
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static inline uint8_t trace_mem_build_info(
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TCGMemOp size, bool sign_extend, TCGMemOp endianness, bool store)
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{
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uint8_t res = 0;
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res |= size;
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res |= (sign_extend << 2);
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if (endianness == MO_BE) {
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res |= (1ULL << 3);
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}
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res |= (store << 4);
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return res;
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}
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#endif /* TRACE__MEM_INTERNAL_H */
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