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typedef void (* iroutine)(int n, istate_t *istate);
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typedef void (* iroutine)(int n, istate_t *istate);
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#define fault_if_from_uspace(istate, cmd, ...) \
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#define fault_if_from_uspace(istate, cmd, ...) \
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{ \
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{ \
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    if (istate_from_uspace(istate)) { \
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    if (istate_from_uspace(istate)) { \
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        task_t *task = TASK; \
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        klog_printf("Task %llu killed due to an exception at %p.", TASK->taskid, istate_get_pc(istate)); \
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        klog_printf("Task %llu killed due to an exception at %p.", task->taskid, istate_get_pc(istate)); \
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        klog_printf("  " cmd, ##__VA_ARGS__); \
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        klog_printf("  " cmd, ##__VA_ARGS__); \
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        task_kill(TASK->taskid); \
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        task_kill(task->taskid); \
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        thread_exit(); \
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        thread_exit(); \
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    } \
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    } \
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}
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}
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extern iroutine exc_register(int n, const char *name, iroutine f);
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extern iroutine exc_register(int n, const char *name, iroutine f);