Fix UC_HOOK_EDGE_GENERATED to work with indirect jump
For an indirect jump (lookup_tb_ptr), last_tb would be NULL
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7a1de17f37
@ -357,6 +357,8 @@ struct uc_struct {
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sigjmp_buf jmp_bufs[UC_MAX_NESTED_LEVEL]; // To support nested uc_emu_start
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int nested_level; // Current nested_level
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struct TranslationBlock* last_tb; // The real last tb we executed.
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};
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// Metadata stub for the variable-size cpu context used with uc_context_*()
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@ -258,10 +258,9 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
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/* We add the TB in the virtual pc hash table for the fast lookup */
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cpu->tb_jmp_cache[tb_jmp_cache_hash_func(cpu->uc, pc)] = tb;
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UC_TB_COPY(&cur_tb, tb);
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if (last_tb) {
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UC_TB_COPY(&prev_tb, last_tb);
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if (uc->last_tb) {
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UC_TB_COPY(&cur_tb, tb);
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UC_TB_COPY(&prev_tb, uc->last_tb);
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for (cur = uc->hook[UC_HOOK_EDGE_GENERATED_IDX].head;
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cur != NULL && (hook = (struct hook *)cur->data); cur = cur->next) {
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if (hook->to_delete) {
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@ -494,6 +493,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
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// trace_exec_tb(tb, tb->pc);
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ret = cpu_tb_exec(cpu, tb);
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cpu->uc->last_tb = tb; // Trace the last tb we executed.
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tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);
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*tb_exit = ret & TB_EXIT_MASK;
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if (*tb_exit != TB_EXIT_REQUESTED) {
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