80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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/*
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* Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
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*
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* License: 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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* plugin-gen.h - TCG-dependent definitions for generating plugin code
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*
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* This header should be included only from plugin.c and C files that emit
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* TCG code.
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*/
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#ifndef QEMU_PLUGIN_GEN_H
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#define QEMU_PLUGIN_GEN_H
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#include "qemu/plugin.h"
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#include "tcg/tcg.h"
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struct DisasContextBase;
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#ifdef CONFIG_PLUGIN
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bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool supress);
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void plugin_gen_tb_end(CPUState *cpu);
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void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db);
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void plugin_gen_insn_end(void);
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void plugin_gen_disable_mem_helpers(void);
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void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info);
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static inline void plugin_insn_append(abi_ptr pc, const void *from, size_t size)
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{
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struct qemu_plugin_insn *insn = tcg_ctx->plugin_insn;
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abi_ptr off;
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if (insn == NULL) {
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return;
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}
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off = pc - insn->vaddr;
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if (off < insn->data->len) {
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g_byte_array_set_size(insn->data, off);
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} else if (off > insn->data->len) {
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/* we have an unexpected gap */
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g_assert_not_reached();
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}
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insn->data = g_byte_array_append(insn->data, from, size);
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}
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#else /* !CONFIG_PLUGIN */
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static inline
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bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool supress)
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{
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return false;
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}
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static inline
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void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db)
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{ }
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static inline void plugin_gen_insn_end(void)
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{ }
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static inline void plugin_gen_tb_end(CPUState *cpu)
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{ }
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static inline void plugin_gen_disable_mem_helpers(void)
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{ }
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static inline void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info)
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{ }
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static inline void plugin_insn_append(abi_ptr pc, const void *from, size_t size)
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{ }
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#endif /* CONFIG_PLUGIN */
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#endif /* QEMU_PLUGIN_GEN_H */
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