Relative Virtual Address
When a COFF file is generated, it is not usually known where in memory it will be loaded. The virtual address where the first byte of the file will be loaded is called image base address. The rest of the file is not necessarily loaded in a contiguous block, but in different sections.
Relative Virtual Addresses (RVAs) are not to be confused with standard virtual addresses. A relative virtual address is the virtual address of an object from the file once it is loaded into memory, minus the base address of the file image. If the file were to be mapped literally from disk to memory, the RVA would be the same as that of the offset into the file, but this is actually quite unusual.
Note that the RVA term is only used with objects in the image file. Once loaded into memory, the image base address is added, and ordinary VAs are used.
Famous quotes containing the words relative, virtual and/or address:
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