linux/alpha/arch_regs.h - platform/external/strace - Gitiles

 #define REG_R0 0
 #define REG_A0 16
 #define REG_A3 19
 #define REG_FP 30
 #define REG_PC 64
	#define REG_R0 0
	#define REG_A0 16
	#define REG_A3 19
	#define REG_FP 30
	#define REG_PC 64