gdb/sparc64-tdep.h

   1 /* Target-dependent code for UltraSPARC.
   2
   3    Copyright (C) 2003-2021 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef SPARC64_TDEP_H
  21 #define SPARC64_TDEP_H 1
  22
  23 struct frame_info;
  24 struct gdbarch;
  25 struct regcache;
  26 struct sparc_gregmap;
  27 struct trad_frame_saved_reg;
  28
  29 #include "sparc-tdep.h"
  30
  31 /* The stack pointer is offset from the stack frame by a BIAS of 2047
  32    (0x7ff) for 64-bit code.  BIAS is likely to be defined on SPARC
  33    hosts, so undefine it first.  */
  34 #undef BIAS
  35 #define BIAS 2047
  36
  37 /* Register offsets for the general-purpose register set.  */
  38
  39 /* UltraSPARC doesn't have %psr.  */
  40 #define r_tstate_offset r_psr_offset
  41
  42 /* UltraSPARC doesn't have %wim either.  */
  43 #define r_fprs_offset r_wim_offset
  44
  45 /* Register numbers of various important registers.  */
  46
  47 enum sparc64_regnum
  48 {
  49   SPARC64_F32_REGNUM            /* %f32 */
  50   = SPARC_F0_REGNUM + 32,
  51   SPARC64_F62_REGNUM            /* %f62 */
  52   = SPARC64_F32_REGNUM + 15,
  53   SPARC64_PC_REGNUM,            /* %pc */
  54   SPARC64_NPC_REGNUM,           /* %npc */
  55   SPARC64_STATE_REGNUM,
  56   SPARC64_FSR_REGNUM,           /* %fsr */
  57   SPARC64_FPRS_REGNUM,          /* %fprs */
  58   SPARC64_Y_REGNUM,             /* %y */
  59 };
  60
  61 /* Pseudo registers.  */
  62 enum sparc64_pseudo_regnum
  63 {
  64   SPARC64_CWP_REGNUM = 0,       /* %cwp */
  65   SPARC64_PSTATE_REGNUM,        /* %pstate */
  66   SPARC64_ASI_REGNUM,           /* %asi */
  67   SPARC64_CCR_REGNUM,           /* %ccr */
  68   SPARC64_D0_REGNUM,            /* %d0 */
  69   SPARC64_D10_REGNUM            /* %d10 */
  70   = SPARC64_D0_REGNUM + 5,
  71   SPARC64_D30_REGNUM            /* %d30 */
  72   = SPARC64_D0_REGNUM + 15,
  73   SPARC64_D32_REGNUM            /* %d32 */
  74   = SPARC64_D0_REGNUM + 16,
  75   SPARC64_D62_REGNUM            /* %d62 */
  76   = SPARC64_D0_REGNUM + 31,
  77   SPARC64_Q0_REGNUM,            /* %q0 */
  78   SPARC64_Q8_REGNUM             /* %q8 */
  79   = SPARC64_Q0_REGNUM + 2,
  80   SPARC64_Q28_REGNUM            /* %q28 */
  81   = SPARC64_Q0_REGNUM + 7,
  82   SPARC64_Q32_REGNUM            /* %q32 */
  83   = SPARC64_Q0_REGNUM + 8,
  84   SPARC64_Q60_REGNUM            /* %q60 */
  85   = SPARC64_Q0_REGNUM + 15
  86 };
  87
  88 /* Processor state bits.  */
  89 #define SPARC64_PSTATE_AG       0x001
  90 #define SPARC64_PSTATE_IE       0x002
  91 #define SPARC64_PSTATE_PRIV     0x004
  92 #define SPARC64_PSTATE_AM       0x008
  93 #define SPARC64_PSTATE_PEF      0x010
  94 #define SPARC64_PSTATE_RED      0x020
  95 #define SPARC64_PSTATE_TLE      0x100
  96 #define SPARC64_PSTATE_CLE      0x200
  97 #define SPARC64_PSTATE_PID0     0x400
  98 #define SPARC64_PSTATE_PID1     0x800
  99
 100 extern void sparc64_init_abi (struct gdbarch_info info,
 101                               struct gdbarch *gdbarch);
 102
 103 extern void sparc64_supply_gregset (const struct sparc_gregmap *gregmap,
 104                                     struct regcache *regcache,
 105                                     int regnum, const void *gregs);
 106 extern void sparc64_collect_gregset (const struct sparc_gregmap *gregmap,
 107                                      const struct regcache *regcache,
 108                                      int regnum, void *gregs);
 109 extern void sparc64_supply_fpregset (const struct sparc_fpregmap *fpregmap,
 110                                      struct regcache *regcache,
 111                                      int regnum, const void *fpregs);
 112 extern void sparc64_collect_fpregset (const struct sparc_fpregmap *fpregmap,
 113                                       const struct regcache *regcache,
 114                                       int regnum, void *fpregs);
 115
 116 /* Functions and variables exported from sparc64-sol2-tdep.c.  */
 117
 118 /* Register offsets for Solaris 2.  */
 119 extern const struct sparc_gregmap sparc64_sol2_gregmap;
 120 extern const struct sparc_fpregmap sparc64_sol2_fpregmap;
 121
 122 /* Variables exported from sparc64-fbsd-tdep.c.  */
 123
 124 /* Register offsets for FreeBSD/sparc64.  */
 125 extern const struct sparc_gregmap sparc64fbsd_gregmap;
 126
 127 /* Functions and variables exported from sparc64-netbsd-tdep.c.  */
 128
 129 /* Register offsets for NetBSD/sparc64.  */
 130 extern const struct sparc_gregmap sparc64nbsd_gregmap;
 131
 132 extern struct trad_frame_saved_reg *
 133   sparc64nbsd_sigcontext_saved_regs (CORE_ADDR sigcontext_addr,
 134                                      struct frame_info *next_frame);
 135
 136 extern const struct sparc_fpregmap sparc64_bsd_fpregmap;
 137
 138 extern void sparc64_forget_process (pid_t pid);
 139
 140 #endif /* sparc64-tdep.h */