gdb/ppc-tdep.h

   1 /* Target-dependent code for GDB, the GNU debugger.
   2    Copyright 2000, 2001, 2002, 2003
   3    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 2 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, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef PPC_TDEP_H
  23 #define PPC_TDEP_H
  24
  25 struct gdbarch;
  26 struct frame_info;
  27 struct value;
  28 struct regcache;
  29 struct type;
  30
  31 /* From ppc-linux-tdep.c... */
  32 CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi);
  33 void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);
  34 int ppc_linux_frameless_function_invocation (struct frame_info *);
  35 void ppc_linux_frame_init_saved_regs (struct frame_info *);
  36 CORE_ADDR ppc_linux_frame_chain (struct frame_info *);
  37 enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch,
  38                                                         struct type *valtype,
  39                                                         struct regcache *regcache,
  40                                                         void *readbuf,
  41                                                         const void *writebuf);
  42 enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch,
  43                                                                struct type *valtype,
  44                                                                struct regcache *regcache,
  45                                                                void *readbuf,
  46                                                                const void *writebuf);
  47 CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
  48                                         CORE_ADDR func_addr,
  49                                         struct regcache *regcache,
  50                                         CORE_ADDR bp_addr, int nargs,
  51                                         struct value **args, CORE_ADDR sp,
  52                                         int struct_return,
  53                                         CORE_ADDR struct_addr);
  54 CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
  55                                           CORE_ADDR func_addr,
  56                                           struct regcache *regcache,
  57                                           CORE_ADDR bp_addr, int nargs,
  58                                           struct value **args, CORE_ADDR sp,
  59                                           int struct_return,
  60                                           CORE_ADDR struct_addr);
  61 CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
  62                                                     CORE_ADDR bpaddr);
  63 int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
  64 struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
  65 void ppc_linux_supply_gregset (char *buf);
  66 void ppc_linux_supply_fpregset (char *buf);
  67
  68 enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch,
  69                                                           struct type *valtype,
  70                                                           struct regcache *regcache,
  71                                                           void *readbuf,
  72                                                           const void *writebuf);
  73
  74 /* From rs6000-tdep.c... */
  75 CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);
  76 void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);
  77 int rs6000_frameless_function_invocation (struct frame_info *);
  78 void rs6000_frame_init_saved_regs (struct frame_info *);
  79 CORE_ADDR rs6000_frame_chain (struct frame_info *);
  80 int altivec_register_p (int regno);
  81
  82
  83 /* Return non-zero when the architecture has an FPU (or at least when
  84    the ABI is using the FPU).  */
  85 int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
  86
  87 /* Private data that this module attaches to struct gdbarch. */
  88
  89 struct gdbarch_tdep
  90   {
  91     int wordsize;              /* size in bytes of fixed-point word */
  92     int *regoff;               /* byte offsets in register arrays */
  93     const struct reg *regs;    /* from current variant */
  94     int ppc_gp0_regnum;         /* GPR register 0 */
  95     int ppc_gplast_regnum;      /* GPR register 31 */
  96     int ppc_toc_regnum;         /* TOC register */
  97     int ppc_ps_regnum;          /* Processor (or machine) status (%msr) */
  98     int ppc_cr_regnum;          /* Condition register */
  99     int ppc_lr_regnum;          /* Link register */
 100     int ppc_ctr_regnum;         /* Count register */
 101     int ppc_xer_regnum;         /* Integer exception register */
 102     int ppc_fpscr_regnum;       /* Floating point status and condition
 103                                    register */
 104     int ppc_mq_regnum;          /* Multiply/Divide extension register */
 105     int ppc_vr0_regnum;         /* First AltiVec register */
 106     int ppc_vrsave_regnum;      /* Last AltiVec register */
 107     int ppc_ev0_regnum;         /* First ev register */
 108     int ppc_ev31_regnum;        /* Last ev register */
 109     int lr_frame_offset;        /* Offset to ABI specific location where
 110                                    link register is saved.  */
 111 };
 112
 113 #endif