Revision 6f5a9f7e exec.c

b/exec.c
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#endif
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            }
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#endif /* TARGET_HAS_PRECISE_SMC */
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            saved_tb = env->current_tb;
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            env->current_tb = NULL;
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            /* we need to do that to handle the case where a signal
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               occurs while doing tb_phys_invalidate() */
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            saved_tb = NULL;
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            if (env) {
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                saved_tb = env->current_tb;
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                env->current_tb = NULL;
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            }
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            tb_phys_invalidate(tb, -1);
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            env->current_tb = saved_tb;
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            if (env->interrupt_request && env->current_tb)
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                cpu_interrupt(env, env->interrupt_request);
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            if (env) {
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                env->current_tb = saved_tb;
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                if (env->interrupt_request && env->current_tb)
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                    cpu_interrupt(env, env->interrupt_request);
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            }
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        }
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        tb = tb_next;
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    }

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