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
  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_dummy_call (struct gdbarch *gdbarch,
  39                                         CORE_ADDR func_addr,
  40                                         struct regcache *regcache,
  41                                         CORE_ADDR bp_addr, int nargs,
  42                                         struct value **args, CORE_ADDR sp,
  43                                         int struct_return,
  44                                         CORE_ADDR struct_addr);
  45 int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
  46 struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
  47 void ppc_linux_supply_gregset (char *buf);
  48 void ppc_linux_supply_fpregset (char *buf);
  49
  50 int ppc64_sysv_abi_use_struct_convention (int gcc_p, struct type *value_type);
  51 void ppc64_sysv_abi_extract_return_value (struct type *valtype,
  52                                           struct regcache *regbuf,
  53                                           void *valbuf);
  54 void ppc64_sysv_abi_store_return_value (struct type *valtype,
  55                                         struct regcache *regbuf,
  56                                         const void *valbuf);
  57
  58
  59 /* From rs6000-tdep.c... */
  60 CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);
  61 void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);
  62 int rs6000_frameless_function_invocation (struct frame_info *);
  63 void rs6000_frame_init_saved_regs (struct frame_info *);
  64 CORE_ADDR rs6000_frame_chain (struct frame_info *);
  65 int altivec_register_p (int regno);
  66
  67
  68 /* Return non-zero when the architecture has an FPU (or at least when
  69    the ABI is using the FPU).  */
  70 int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
  71
  72 /* Private data that this module attaches to struct gdbarch. */
  73
  74 struct gdbarch_tdep
  75   {
  76     int wordsize;              /* size in bytes of fixed-point word */
  77     int *regoff;               /* byte offsets in register arrays */
  78     const struct reg *regs;    /* from current variant */
  79     int ppc_gp0_regnum;         /* GPR register 0 */
  80     int ppc_gplast_regnum;      /* GPR register 31 */
  81     int ppc_toc_regnum;         /* TOC register */
  82     int ppc_ps_regnum;          /* Processor (or machine) status (%msr) */
  83     int ppc_cr_regnum;          /* Condition register */
  84     int ppc_lr_regnum;          /* Link register */
  85     int ppc_ctr_regnum;         /* Count register */
  86     int ppc_xer_regnum;         /* Integer exception register */
  87     int ppc_fpscr_regnum;       /* Floating point status and condition
  88                                    register */
  89     int ppc_mq_regnum;          /* Multiply/Divide extension register */
  90     int ppc_vr0_regnum;         /* First AltiVec register */
  91     int ppc_vrsave_regnum;      /* Last AltiVec register */
  92     int ppc_ev0_regnum;         /* First ev register */
  93     int ppc_ev31_regnum;        /* Last ev register */
  94     int lr_frame_offset;        /* Offset to ABI specific location where
  95                                    link register is saved.  */
  96 };
  97
  98 #endif