X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fs390-tdep.h;h=c0ea9cf6dc934872bed7869b732c04b0ce65bfdd;hb=f5a7c406b1975cde626efed526960f2cf1bdaceb;hp=092eca64da28ed8ce1c24919be05be612f47d8e2;hpb=6aba47ca06d9150c6196a374b745c2711b46e045;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/s390-tdep.h b/gdb/s390-tdep.h index 092eca64da..c0ea9cf6dc 100644 --- a/gdb/s390-tdep.h +++ b/gdb/s390-tdep.h @@ -1,11 +1,12 @@ -/* Target-dependent code for GDB, the GNU debugger. - Copyright (C) 2003, 2007 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, @@ -14,13 +15,148 @@ 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 . */ #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. */ @@ -79,27 +215,107 @@ #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 */