Fig. 5From: A buffer overflow detection and defense method based on RISC-V instruction set extensionThe structure of RISC-V PMP configuration register (Waterman et al. 2023). The R, W, and X fields indicate the readability, writability, and executability settings of the target address, respectively. The A field indicates the address matching mode, and the L field indicates whether the PMP entry is locked and becomes not writableBack to article page