a392277dcf
Translation logic may partially decode an instruction, then abort and remove the instruction from the TB. This can happen for example when an instruction spans two pages. In this case, plugins may get an incorrect result when calling qemu_plugin_tb_n_insns to query for the number of instructions in the TB. This patch updates plugin_gen_tb_end to set the final instruction count. Signed-off-by: Matt Borgerson <contact@mborgerson.com> [AJB: added g_assert to defed API] Message-Id: <CADc=-s5RwGViNTR-h5cq3np673W3RRFfhr4vCGJp0EoDUxvhog@mail.gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20231009164104.369749-23-alex.bennee@linaro.org>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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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 "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 struct DisasContextBase *db,
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bool supress);
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void plugin_gen_tb_end(CPUState *cpu, size_t num_insns);
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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_i64 addr, uint32_t info);
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#else /* !CONFIG_PLUGIN */
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static inline bool
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plugin_gen_tb_start(CPUState *cpu, const struct DisasContextBase *db, bool sup)
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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, size_t num_insns)
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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_i64 addr, uint32_t info)
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{ }
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#endif /* CONFIG_PLUGIN */
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#endif /* QEMU_PLUGIN_GEN_H */
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