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Table 1 Primitives provided by DTrace

From: DTrace: fine-grained and efficient data integrity checking with hardware instruction tracing

Primitive Data length in bytes Places of instrumentation
dtrace_load64 8 Reading unsigned/signed long data
dtrace_store64 8 Writing unsigned/signed long data
dtrace_load32 4 Reading unsigned/signed int data
dtrace_store32 4 Writing unsigned/signed int data
dtrace_load8 1 Reading unsigned/signed char data
dtrace_store8 1 Writing unsigned/signed char data