#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */
#define EM_AMD64 EM_X86_64 /* Advanced Micro Devices x86-64 (compat) */
#define EM_AARCH64 183 /* AArch64 64 bit ARM. */
+#define EM_RISCV 243 /* Berkeley RISC-V */
/* Non-standard or deprecated. */
#define EM_486 6 /* Intel i486. */