-/* Target-dependent code for GDB, the GNU debugger.
- Copyright (C) 2003 Free Software Foundation, Inc.
+/* Target-dependent code for s390.
+
+ Copyright (C) 2003-2020 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ 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_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 51
+#define S390_NUM_REGS 128
-/* Pseudo registers -- PC and condition code. */
-#define S390_PC_REGNUM S390_NUM_REGS
-#define S390_CC_REGNUM (S390_NUM_REGS+1)
-#define S390_NUM_PSEUDO_REGS 2
-#define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
+#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
-/* Core file register sets, defined in s390-tdep.c. */
-#define s390_sizeof_gregset 0x90
-extern int s390_regmap_gregset[S390_NUM_REGS];
-#define s390x_sizeof_gregset 0xd8
-extern int s390x_regmap_gregset[S390_NUM_REGS];
-#define s390_sizeof_fpregset 0x88
-extern int s390_regmap_fpregset[S390_NUM_REGS];
+/* Frame unwinding. */
-#endif
+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 */
projects / deliverable / binutils-gdb.git / blobdiff