cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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plugin-gen.h (1679B)

      1/*
      2 * Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
      3 *
      4 * License: GNU GPL, version 2 or later.
      5 *   See the COPYING file in the top-level directory.
      6 *
      7 * plugin-gen.h - TCG-dependent definitions for generating plugin code
      8 *
      9 * This header should be included only from plugin.c and C files that emit
     10 * TCG code.
     11 */
     12#ifndef QEMU_PLUGIN_GEN_H
     13#define QEMU_PLUGIN_GEN_H
     14
     15#include "qemu/plugin.h"
     16#include "tcg/tcg.h"
     17
     18struct DisasContextBase;
     19
     20#ifdef CONFIG_PLUGIN
     21
     22bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool supress);
     23void plugin_gen_tb_end(CPUState *cpu);
     24void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db);
     25void plugin_gen_insn_end(void);
     26
     27void plugin_gen_disable_mem_helpers(void);
     28void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info);
     29
     30static inline void plugin_insn_append(const void *from, size_t size)
     31{
     32    struct qemu_plugin_insn *insn = tcg_ctx->plugin_insn;
     33
     34    if (insn == NULL) {
     35        return;
     36    }
     37
     38    insn->data = g_byte_array_append(insn->data, from, size);
     39}
     40
     41#else /* !CONFIG_PLUGIN */
     42
     43static inline
     44bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool supress)
     45{
     46    return false;
     47}
     48
     49static inline
     50void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db)
     51{ }
     52
     53static inline void plugin_gen_insn_end(void)
     54{ }
     55
     56static inline void plugin_gen_tb_end(CPUState *cpu)
     57{ }
     58
     59static inline void plugin_gen_disable_mem_helpers(void)
     60{ }
     61
     62static inline void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info)
     63{ }
     64
     65static inline void plugin_insn_append(const void *from, size_t size)
     66{ }
     67
     68#endif /* CONFIG_PLUGIN */
     69
     70#endif /* QEMU_PLUGIN_GEN_H */
     71