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plugins: Use emit_before_op for PLUGIN_GEN_FROM_MEM

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Introduce a new plugin_mem_cb op to hold the address temp
and meminfo computed by tcg-op-ldst.c.  Because this now
has its own opcode, we no longer need PLUGIN_GEN_FROM_MEM.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-03-14 13:02:32 -10:00
parent ac977170bf
commit 8a2927f290
6 changed files with 54 additions and 371 deletions
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4
include/exec/plugin-gen.h
View file

@ -25,7 +25,6 @@ void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db);
void plugin_gen_insn_end(void);
void plugin_gen_disable_mem_helpers(void);
void plugin_gen_empty_mem_callback(TCGv_i64 addr, uint32_t info);
#else /* !CONFIG_PLUGIN */
@ -48,9 +47,6 @@ static inline void plugin_gen_tb_end(CPUState *cpu, size_t num_insns)
static inline void plugin_gen_disable_mem_helpers(void)
{ }
static inline void plugin_gen_empty_mem_callback(TCGv_i64 addr, uint32_t info)
{ }
#endif /* CONFIG_PLUGIN */
#endif /* QEMU_PLUGIN_GEN_H */

1
include/tcg/tcg-op-common.h
View file

@ -75,6 +75,7 @@ void tcg_gen_goto_tb(unsigned idx);
void tcg_gen_lookup_and_goto_ptr(void);
void tcg_gen_plugin_cb(unsigned from);
void tcg_gen_plugin_mem_cb(TCGv_i64 addr, unsigned meminfo);
void tcg_gen_plugin_cb_start(unsigned from, unsigned type, unsigned wr);
void tcg_gen_plugin_cb_end(void);

1
include/tcg/tcg-opc.h
View file

@ -198,6 +198,7 @@ DEF(goto_tb, 0, 0, 1, TCG_OPF_BB_EXIT | TCG_OPF_BB_END)
DEF(goto_ptr, 0, 1, 0, TCG_OPF_BB_EXIT | TCG_OPF_BB_END)
DEF(plugin_cb, 0, 0, 1, TCG_OPF_NOT_PRESENT)
DEF(plugin_mem_cb, 0, 1, 1, TCG_OPF_NOT_PRESENT)
DEF(plugin_cb_start, 0, 0, 3, TCG_OPF_NOT_PRESENT)
DEF(plugin_cb_end, 0, 0, 0, TCG_OPF_NOT_PRESENT)