/* Target-dependent code for s390. Copyright (C) 2003-2018 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef S390_TDEP_H #define S390_TDEP_H #include "prologue-value.h" enum s390_abi_kind { ABI_NONE, ABI_LINUX_S390, ABI_LINUX_ZSERIES }; enum s390_vector_abi_kind { S390_VECTOR_ABI_NONE, S390_VECTOR_ABI_128 }; /* The tdep structure. */ struct gdbarch_tdep { /* Target description. */ const struct target_desc *tdesc; /* ABI version. */ enum s390_abi_kind abi; /* Vector ABI. */ enum s390_vector_abi_kind vector_abi; /* Pseudo register numbers. */ int gpr_full_regnum; int pc_regnum; int cc_regnum; int v0_full_regnum; bool have_upper; bool have_linux_v1; bool have_linux_v2; bool have_tdb; bool have_vx; bool have_gs; /* Hook to record OS specific systemcall. */ int (*s390_syscall_record) (struct regcache *regcache, LONGEST svc_number); }; /* Decoding S/390 instructions. */ /* Named opcode values for the S/390 instructions we recognize. Some instructions have their opcode split across two fields; those are the op1_* and op2_* enums. */ enum { op1_lhi = 0xa7, op2_lhi = 0x08, op1_lghi = 0xa7, op2_lghi = 0x09, op1_lgfi = 0xc0, op2_lgfi = 0x01, op_lr = 0x18, op_lgr = 0xb904, op_l = 0x58, op1_ly = 0xe3, op2_ly = 0x58, op1_lg = 0xe3, op2_lg = 0x04, op_lm = 0x98, op1_lmy = 0xeb, op2_lmy = 0x98, op1_lmg = 0xeb, op2_lmg = 0x04, op_st = 0x50, op1_sty = 0xe3, op2_sty = 0x50, op1_stg = 0xe3, op2_stg = 0x24, op_std = 0x60, op_stm = 0x90, op1_stmy = 0xeb, op2_stmy = 0x90, op1_stmg = 0xeb, op2_stmg = 0x24, op1_aghi = 0xa7, op2_aghi = 0x0b, op1_ahi = 0xa7, op2_ahi = 0x0a, op1_agfi = 0xc2, op2_agfi = 0x08, op1_afi = 0xc2, op2_afi = 0x09, op1_algfi= 0xc2, op2_algfi= 0x0a, op1_alfi = 0xc2, op2_alfi = 0x0b, op_ar = 0x1a, op_agr = 0xb908, op_a = 0x5a, op1_ay = 0xe3, op2_ay = 0x5a, op1_ag = 0xe3, op2_ag = 0x08, op1_slgfi= 0xc2, op2_slgfi= 0x04, op1_slfi = 0xc2, op2_slfi = 0x05, op_sr = 0x1b, op_sgr = 0xb909, op_s = 0x5b, op1_sy = 0xe3, op2_sy = 0x5b, op1_sg = 0xe3, op2_sg = 0x09, op_nr = 0x14, op_ngr = 0xb980, op_la = 0x41, op1_lay = 0xe3, op2_lay = 0x71, op1_larl = 0xc0, op2_larl = 0x00, op_basr = 0x0d, op_bas = 0x4d, op_bcr = 0x07, op_bc = 0x0d, op_bctr = 0x06, op_bctgr = 0xb946, op_bct = 0x46, op1_bctg = 0xe3, op2_bctg = 0x46, op_bxh = 0x86, op1_bxhg = 0xeb, op2_bxhg = 0x44, op_bxle = 0x87, op1_bxleg= 0xeb, op2_bxleg= 0x45, op1_bras = 0xa7, op2_bras = 0x05, op1_brasl= 0xc0, op2_brasl= 0x05, op1_brc = 0xa7, op2_brc = 0x04, op1_brcl = 0xc0, op2_brcl = 0x04, op1_brct = 0xa7, op2_brct = 0x06, op1_brctg= 0xa7, op2_brctg= 0x07, op_brxh = 0x84, op1_brxhg= 0xec, op2_brxhg= 0x44, op_brxle = 0x85, op1_brxlg= 0xec, op2_brxlg= 0x45, op_svc = 0x0a, }; /* Hardware capabilities. */ #ifndef HWCAP_S390_HIGH_GPRS #define HWCAP_S390_HIGH_GPRS 512 #endif #ifndef HWCAP_S390_TE #define HWCAP_S390_TE 1024 #endif #ifndef HWCAP_S390_VX #define HWCAP_S390_VX 2048 #endif #ifndef HWCAP_S390_GS #define HWCAP_S390_GS 16384 #endif /* Register information. */ /* Program Status Word. */ #define S390_PSWM_REGNUM 0 #define S390_PSWA_REGNUM 1 /* General Purpose Registers. */ #define S390_R0_REGNUM 2 #define S390_R1_REGNUM 3 #define S390_R2_REGNUM 4 #define S390_R3_REGNUM 5 #define S390_R4_REGNUM 6 #define S390_R5_REGNUM 7 #define S390_R6_REGNUM 8 #define S390_R7_REGNUM 9 #define S390_R8_REGNUM 10 #define S390_R9_REGNUM 11 #define S390_R10_REGNUM 12 #define S390_R11_REGNUM 13 #define S390_R12_REGNUM 14 #define S390_R13_REGNUM 15 #define S390_R14_REGNUM 16 #define S390_R15_REGNUM 17 /* Access Registers. */ #define S390_A0_REGNUM 18 #define S390_A1_REGNUM 19 #define S390_A2_REGNUM 20 #define S390_A3_REGNUM 21 #define S390_A4_REGNUM 22 #define S390_A5_REGNUM 23 #define S390_A6_REGNUM 24 #define S390_A7_REGNUM 25 #define S390_A8_REGNUM 26 #define S390_A9_REGNUM 27 #define S390_A10_REGNUM 28 #define S390_A11_REGNUM 29 #define S390_A12_REGNUM 30 #define S390_A13_REGNUM 31 #define S390_A14_REGNUM 32 #define S390_A15_REGNUM 33 /* Floating Point Control Word. */ #define S390_FPC_REGNUM 34 /* Floating Point Registers. */ #define S390_F0_REGNUM 35 #define S390_F1_REGNUM 36 #define S390_F2_REGNUM 37 #define S390_F3_REGNUM 38 #define S390_F4_REGNUM 39 #define S390_F5_REGNUM 40 #define S390_F6_REGNUM 41 #define S390_F7_REGNUM 42 #define S390_F8_REGNUM 43 #define S390_F9_REGNUM 44 #define S390_F10_REGNUM 45 #define S390_F11_REGNUM 46 #define S390_F12_REGNUM 47 #define S390_F13_REGNUM 48 #define S390_F14_REGNUM 49 #define S390_F15_REGNUM 50 /* General Purpose Register Upper Halves. */ #define S390_R0_UPPER_REGNUM 51 #define S390_R1_UPPER_REGNUM 52 #define S390_R2_UPPER_REGNUM 53 #define S390_R3_UPPER_REGNUM 54 #define S390_R4_UPPER_REGNUM 55 #define S390_R5_UPPER_REGNUM 56 #define S390_R6_UPPER_REGNUM 57 #define S390_R7_UPPER_REGNUM 58 #define S390_R8_UPPER_REGNUM 59 #define S390_R9_UPPER_REGNUM 60 #define S390_R10_UPPER_REGNUM 61 #define S390_R11_UPPER_REGNUM 62 #define S390_R12_UPPER_REGNUM 63 #define S390_R13_UPPER_REGNUM 64 #define S390_R14_UPPER_REGNUM 65 #define S390_R15_UPPER_REGNUM 66 /* GNU/Linux-specific optional registers. */ #define S390_ORIG_R2_REGNUM 67 #define S390_LAST_BREAK_REGNUM 68 #define S390_SYSTEM_CALL_REGNUM 69 /* Transaction diagnostic block. */ #define S390_TDB_DWORD0_REGNUM 70 #define S390_TDB_ABORT_CODE_REGNUM 71 #define S390_TDB_CONFLICT_TOKEN_REGNUM 72 #define S390_TDB_ATIA_REGNUM 73 #define S390_TDB_R0_REGNUM 74 #define S390_TDB_R1_REGNUM 75 #define S390_TDB_R2_REGNUM 76 #define S390_TDB_R3_REGNUM 77 #define S390_TDB_R4_REGNUM 78 #define S390_TDB_R5_REGNUM 79 #define S390_TDB_R6_REGNUM 80 #define S390_TDB_R7_REGNUM 81 #define S390_TDB_R8_REGNUM 82 #define S390_TDB_R9_REGNUM 83 #define S390_TDB_R10_REGNUM 84 #define S390_TDB_R11_REGNUM 85 #define S390_TDB_R12_REGNUM 86 #define S390_TDB_R13_REGNUM 87 #define S390_TDB_R14_REGNUM 88 #define S390_TDB_R15_REGNUM 89 /* Vector registers. */ #define S390_V0_LOWER_REGNUM 90 #define S390_V1_LOWER_REGNUM 91 #define S390_V2_LOWER_REGNUM 92 #define S390_V3_LOWER_REGNUM 93 #define S390_V4_LOWER_REGNUM 94 #define S390_V5_LOWER_REGNUM 95 #define S390_V6_LOWER_REGNUM 96 #define S390_V7_LOWER_REGNUM 97 #define S390_V8_LOWER_REGNUM 98 #define S390_V9_LOWER_REGNUM 99 #define S390_V10_LOWER_REGNUM 100 #define S390_V11_LOWER_REGNUM 101 #define S390_V12_LOWER_REGNUM 102 #define S390_V13_LOWER_REGNUM 103 #define S390_V14_LOWER_REGNUM 104 #define S390_V15_LOWER_REGNUM 105 #define S390_V16_REGNUM 106 #define S390_V17_REGNUM 107 #define S390_V18_REGNUM 108 #define S390_V19_REGNUM 109 #define S390_V20_REGNUM 110 #define S390_V21_REGNUM 111 #define S390_V22_REGNUM 112 #define S390_V23_REGNUM 113 #define S390_V24_REGNUM 114 #define S390_V25_REGNUM 115 #define S390_V26_REGNUM 116 #define S390_V27_REGNUM 117 #define S390_V28_REGNUM 118 #define S390_V29_REGNUM 119 #define S390_V30_REGNUM 120 #define S390_V31_REGNUM 121 #define S390_GSD_REGNUM 122 #define S390_GSSM_REGNUM 123 #define S390_GSEPLA_REGNUM 124 #define S390_BC_GSD_REGNUM 125 #define S390_BC_GSSM_REGNUM 126 #define S390_BC_GSEPLA_REGNUM 127 /* Total. */ #define S390_NUM_REGS 128 #define S390_NUM_GPRS 16 #define S390_NUM_FPRS 16 #define S390_MAX_INSTR_SIZE 6 /* Special register usage. */ #define S390_SP_REGNUM S390_R15_REGNUM #define S390_RETADDR_REGNUM S390_R14_REGNUM #define S390_FRAME_REGNUM S390_R11_REGNUM /* Frame unwinding. */ extern struct value *s390_trad_frame_prev_register (struct frame_info *this_frame, struct trad_frame_saved_reg saved_regs[], int regnum); extern struct target_desc *tdesc_s390_linux32; extern struct target_desc *tdesc_s390x_linux64; #endif /* S390_TDEP_H */