atomic: Fix the atomic_load_ptr() *SAN interceptor
The interceptor didn't handle a pointer of type "foo * const *" and in that case we'd get compiler errors 1) an invalid cast to volatile uintptr_t, and 2) an assignment to a variable of type "foo * const" (__retptr). Reported by: mjg MFC after: 1 week
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@ -267,17 +267,11 @@ ATOMIC_SAN_THREAD_FENCE(SAN_INTERCEPTOR_PREFIX);
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#define atomic_fcmpset_acq_ptr ATOMIC_SAN(fcmpset_acq_ptr)
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#define atomic_fcmpset_rel_ptr ATOMIC_SAN(fcmpset_rel_ptr)
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#define atomic_fetchadd_ptr ATOMIC_SAN(fetchadd_ptr)
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#define atomic_load_ptr(x) ({ \
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__typeof(*x) __retptr; \
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__retptr = (void *)ATOMIC_SAN(load_ptr)((volatile uintptr_t *)(x)); \
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__retptr; \
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})
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#define atomic_load_ptr(x) \
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((void *)ATOMIC_SAN(load_ptr)(__DECONST(volatile uintptr_t *, (x))))
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#define atomic_load_acq_ptr ATOMIC_SAN(load_acq_ptr)
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#define atomic_load_consume_ptr(x) ({ \
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__typeof(*x) __retptr; \
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__retptr = (void *)atomic_load_acq_ptr((volatile uintptr_t *)(x));\
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__retptr; \
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})
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#define atomic_load_consume_ptr(x) \
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((void *)atomic_load_acq_ptr((volatile uintptr_t *)(x)))
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#define atomic_readandclear_ptr ATOMIC_SAN(readandclear_ptr)
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#define atomic_set_ptr ATOMIC_SAN(set_ptr)
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#define atomic_set_acq_ptr ATOMIC_SAN(set_acq_ptr)
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