X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fs390-tdep.h;h=c0ea9cf6dc934872bed7869b732c04b0ce65bfdd;hb=f3f8ece4b1c77c925d1f1566df0bf632790a4d24;hp=69055e124c4fcdcf37d0040d370c9f1813c08fda;hpb=4ac33720d6022079e8b038e795e40f0e06a4012c;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/s390-tdep.h b/gdb/s390-tdep.h index 69055e124c..c0ea9cf6dc 100644 --- a/gdb/s390-tdep.h +++ b/gdb/s390-tdep.h @@ -1,5 +1,6 @@ -/* Target-dependent code for GDB, the GNU debugger. - Copyright (C) 2003-2013 Free Software Foundation, Inc. +/* Target-dependent code for s390. + + Copyright (C) 2003-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -19,6 +20,125 @@ #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 @@ -29,6 +149,14 @@ #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. */ @@ -129,50 +257,65 @@ #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 90 +#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 -#define S390_IS_GREGSET_REGNUM(i) \ - (((i) >= S390_PSWM_REGNUM && (i) <= S390_A15_REGNUM) \ - || ((i) >= S390_R0_UPPER_REGNUM && (i) <= S390_R15_UPPER_REGNUM) \ - || (i) == S390_ORIG_R2_REGNUM) - -#define S390_IS_FPREGSET_REGNUM(i) \ - ((i) >= S390_FPC_REGNUM && (i) <= S390_F15_REGNUM) - -#define S390_IS_TDBREGSET_REGNUM(i) \ - ((i) >= S390_TDB_DWORD0_REGNUM && (i) <= S390_TDB_R15_REGNUM) - -/* Core file register sets, defined in s390-tdep.c. */ -#define s390_sizeof_gregset 0x90 -extern const short s390_regmap_gregset[]; -#define s390x_sizeof_gregset 0xd8 -extern const short s390x_regmap_gregset[]; -#define s390_sizeof_fpregset 0x88 -extern const short s390_regmap_fpregset[]; -extern const short s390_regmap_last_break[]; -extern const short s390x_regmap_last_break[]; -extern const short s390_regmap_system_call[]; -extern const short s390_regmap_tdb[]; -#define s390_sizeof_tdbregset 0x100 - -/* GNU/Linux target descriptions. */ +/* 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_s390_linux32v1; -extern struct target_desc *tdesc_s390_linux32v2; -extern struct target_desc *tdesc_s390_linux64; -extern struct target_desc *tdesc_s390_linux64v1; -extern struct target_desc *tdesc_s390_linux64v2; -extern struct target_desc *tdesc_s390_te_linux64; extern struct target_desc *tdesc_s390x_linux64; -extern struct target_desc *tdesc_s390x_linux64v1; -extern struct target_desc *tdesc_s390x_linux64v2; -extern struct target_desc *tdesc_s390x_te_linux64; - -#endif +#endif /* S390_TDEP_H */