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Rev 1952 Rev 2018
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    __asm__ volatile ("andl %%esp, %0\n" : "=r" (v) : "0" (~(STACK_SIZE-1)));
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    __asm__ volatile ("andl %%esp, %0\n" : "=r" (v) : "0" (~(STACK_SIZE-1)));
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    return v;
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    return v;
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}
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}
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static inline uint64_t rdtsc(void)
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{
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    uint64_t v;
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    __asm__ volatile("rdtsc\n" : "=A" (v));
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    return v;
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}
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/** Return current IP address */
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/** Return current IP address */
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static inline uintptr_t * get_ip()
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static inline uintptr_t * get_ip()
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{
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{
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    uintptr_t *ip;
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    uintptr_t *ip;
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