gdb/x86-64-tdep.h

   1 /* Target-dependent code for the x86-64.
   2
   3    Copyright 2001, 2003, 2004 Free Software Foundation, Inc.
   4    Contributed by Jiri Smid, SuSE Labs.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef X86_64_TDEP_H
  24 #define X86_64_TDEP_H
  25
  26 struct gdbarch;
  27 struct frame_info;
  28 struct regcache;
  29
  30 #include "i386-tdep.h"
  31
  32 /* Register numbers of various important registers.  */
  33
  34 #define X86_64_RAX_REGNUM       0 /* %rax */
  35 #define X86_64_RDX_REGNUM       3 /* %rdx */
  36 #define X86_64_RDI_REGNUM       5 /* %rdi */
  37 #define X86_64_RBP_REGNUM       6 /* %rbp */
  38 #define X86_64_RSP_REGNUM       7 /* %rsp */
  39 #define X86_64_RIP_REGNUM       16 /* %rip */
  40 #define X86_64_EFLAGS_REGNUM    17 /* %eflags */
  41 #define X86_64_ST0_REGNUM       24 /* %st0 */
  42 #define X86_64_XMM0_REGNUM      40 /* %xmm0 */
  43 #define X86_64_XMM1_REGNUM      41 /* %xmm1 */
  44
  45 /* Number of general purpose registers.  */
  46 #define X86_64_NUM_GREGS        24
  47
  48 void x86_64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
  49
  50 /* Fill register REGNUM in REGCACHE with the appropriate
  51    floating-point or SSE register value from *FXSAVE.  If REGNUM is
  52    -1, do this for all registers.  This function masks off any of the
  53    reserved bits in *FXSAVE.  */
  54
  55 extern void x86_64_supply_fxsave (struct regcache *regcache, int regnum,
  56                                   const void *fxsave);
  57
  58 /* Fill register REGNUM (if it is a floating-point or SSE register) in
  59    *FXSAVE with the value in GDB's register cache.  If REGNUM is -1, do
  60    this for all registers.  This function doesn't touch any of the
  61    reserved bits in *FXSAVE.  */
  62
  63 void x86_64_fill_fxsave (char *fxsave, int regnum);
  64 \f
  65
  66 /* Variables exported from amd64nbsd-tdep.c.  */
  67 extern int amd64nbsd_r_reg_offset[];
  68
  69 /* Variables exported from amd64fbsd-tdep.c.  */
  70 extern CORE_ADDR amd64fbsd_sigtramp_start;
  71 extern CORE_ADDR amd64fbsd_sigtramp_end;
  72 extern int amd64fbsd_sc_reg_offset[];
  73
  74 #endif /* x86-64-tdep.h */