+struct trad_frame_saved_reg;
+struct objfile;
+struct so_list;
+
+/* Register numbers of various important registers. */
+
+enum hppa_regnum
+{
+ HPPA_R0_REGNUM = 0, /* Doesn't actually exist, used as base for
+ other r registers. */
+ HPPA_R1_REGNUM = 1,
+ HPPA_FLAGS_REGNUM = 0, /* Various status flags */
+ HPPA_RP_REGNUM = 2, /* return pointer */
+ HPPA_FP_REGNUM = 3, /* The ABI's frame pointer, when used */
+ HPPA_DP_REGNUM = 27,
+ HPPA_RET0_REGNUM = 28,
+ HPPA_RET1_REGNUM = 29,
+ HPPA_SP_REGNUM = 30, /* Stack pointer. */
+ HPPA_R31_REGNUM = 31,
+ HPPA_SAR_REGNUM = 32, /* Shift Amount Register */
+ HPPA_IPSW_REGNUM = 41, /* Interrupt Processor Status Word */
+ HPPA_PCOQ_HEAD_REGNUM = 33, /* instruction offset queue head */
+ HPPA_PCSQ_HEAD_REGNUM = 34, /* instruction space queue head */
+ HPPA_PCOQ_TAIL_REGNUM = 35, /* instruction offset queue tail */
+ HPPA_PCSQ_TAIL_REGNUM = 36, /* instruction space queue tail */
+ HPPA_EIEM_REGNUM = 37, /* External Interrupt Enable Mask */
+ HPPA_IIR_REGNUM = 38, /* Interrupt Instruction Register */
+ HPPA_ISR_REGNUM = 39, /* Interrupt Space Register */
+ HPPA_IOR_REGNUM = 40, /* Interrupt Offset Register */
+ HPPA_SR4_REGNUM = 43, /* space register 4 */
+ HPPA_RCR_REGNUM = 51, /* Recover Counter (also known as cr0) */
+ HPPA_PID0_REGNUM = 52, /* Protection ID */
+ HPPA_PID1_REGNUM = 53, /* Protection ID */
+ HPPA_PID2_REGNUM = 55, /* Protection ID */
+ HPPA_PID3_REGNUM = 56, /* Protection ID */
+ HPPA_CCR_REGNUM = 54, /* Coprocessor Configuration Register */
+ HPPA_TR0_REGNUM = 57, /* Temporary Registers (cr24 -> cr31) */
+ HPPA_CR26_REGNUM = 59,
+ HPPA_CR27_REGNUM = 60, /* Base register for thread-local
+ storage, cr27 */
+ HPPA_FP0_REGNUM = 64, /* First floating-point. */
+ HPPA_FP4_REGNUM = 72,
+ HPPA64_FP4_REGNUM = 68,
+ HPPA_FP31R_REGNUM = 127, /* Last floating-point. */
+
+ HPPA_ARG0_REGNUM = 26, /* The first argument of a callee. */
+ HPPA_ARG1_REGNUM = 25, /* The second argument of a callee. */
+ HPPA_ARG2_REGNUM = 24, /* The third argument of a callee. */
+ HPPA_ARG3_REGNUM = 23 /* The fourth argument of a callee. */
+};
+
+/* Instruction size. */
+#define HPPA_INSN_SIZE 4