include/exec/plugin-gen.h

   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 "tcg/tcg.h"
  16
  17 struct DisasContextBase;
  18
  19 #ifdef CONFIG_PLUGIN
  20
  21 bool plugin_gen_tb_start(CPUState *cpu, const struct DisasContextBase *db);
  22 void plugin_gen_tb_end(CPUState *cpu, size_t num_insns);
  23 void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db);
  24 void plugin_gen_insn_end(void);
  25
  26 void plugin_gen_disable_mem_helpers(void);
  27
  28 #else /* !CONFIG_PLUGIN */
  29
  30 static inline
  31 bool plugin_gen_tb_start(CPUState *cpu, const struct DisasContextBase *db)
  32 {
  33     return false;
  34 }
  35
  36 static inline
  37 void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db)
  38 { }
  39
  40 static inline void plugin_gen_insn_end(void)
  41 { }
  42
  43 static inline void plugin_gen_tb_end(CPUState *cpu, size_t num_insns)
  44 { }
  45
  46 static inline void plugin_gen_disable_mem_helpers(void)
  47 { }
  48
  49 #endif /* CONFIG_PLUGIN */
  50
  51 #endif /* QEMU_PLUGIN_GEN_H */
  52