gdb/ppc-tdep.h

   1 /* Target-dependent code for GDB, the GNU debugger.
   2    Copyright 2000
   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 #include "osabi.h"
  26
  27 struct frame_info;
  28 struct value;
  29
  30 /* From ppc-linux-tdep.c... */
  31 CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi);
  32 void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);
  33 int ppc_linux_frameless_function_invocation (struct frame_info *);
  34 void ppc_linux_frame_init_saved_regs (struct frame_info *);
  35 CORE_ADDR ppc_linux_frame_chain (struct frame_info *);
  36 int ppc_sysv_abi_use_struct_convention (int, struct type *);
  37 int ppc_sysv_abi_broken_use_struct_convention (int, struct type *);
  38 CORE_ADDR ppc_sysv_abi_push_arguments (int, struct value **, CORE_ADDR, int,
  39                                        CORE_ADDR);
  40 int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
  41 struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
  42 void ppc_linux_supply_gregset (char *buf);
  43 void ppc_linux_supply_fpregset (char *buf);
  44
  45
  46 /* From rs6000-tdep.c... */
  47 CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);
  48 void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);
  49 int rs6000_frameless_function_invocation (struct frame_info *);
  50 void rs6000_frame_init_saved_regs (struct frame_info *);
  51 CORE_ADDR rs6000_frame_chain (struct frame_info *);
  52 int altivec_register_p (int regno);
  53
  54 /* Private data that this module attaches to struct gdbarch. */
  55
  56 struct gdbarch_tdep
  57   {
  58     int wordsize;              /* size in bytes of fixed-point word */
  59     enum gdb_osabi osabi;      /* OS / ABI from ELF header */
  60     int *regoff;               /* byte offsets in register arrays */
  61     const struct reg *regs;    /* from current variant */
  62     int ppc_gp0_regnum;         /* GPR register 0 */
  63     int ppc_gplast_regnum;      /* GPR register 31 */
  64     int ppc_toc_regnum;         /* TOC register */
  65     int ppc_ps_regnum;          /* Processor (or machine) status (%msr) */
  66     int ppc_cr_regnum;          /* Condition register */
  67     int ppc_lr_regnum;          /* Link register */
  68     int ppc_ctr_regnum;         /* Count register */
  69     int ppc_xer_regnum;         /* Integer exception register */
  70     int ppc_fpscr_regnum;       /* Floating point status and condition
  71                                    register */
  72     int ppc_mq_regnum;          /* Multiply/Divide extension register */
  73     int ppc_vr0_regnum;         /* First AltiVec register */
  74     int ppc_vrsave_regnum;      /* Last AltiVec register */
  75     int lr_frame_offset;        /* Offset to ABI specific location where
  76                                    link register is saved.  */
  77 };
  78
  79 #endif