gdb/x86-64-tdep.h

   1 /* Target-dependent code for the x86-64.
   2
   3    Copyright 2001, 2003
   4    Free Software Foundation, Inc.
   5
   6    Contributed by Jiri Smid, SuSE Labs.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place - Suite 330,
  23    Boston, MA 02111-1307, USA.  */
  24
  25 #ifndef X86_64_TDEP_H
  26 #define X86_64_TDEP_H
  27
  28 struct gdbarch;
  29 struct frame_info;
  30 struct regcache;
  31
  32 #include "i386-tdep.h"
  33
  34 /* Register numbers of various important registers.  */
  35
  36 #define X86_64_RAX_REGNUM       0 /* %rax */
  37 #define X86_64_RDX_REGNUM       3 /* %rdx */
  38 #define X86_64_RDI_REGNUM       5 /* %rdi */
  39 #define X86_64_RBP_REGNUM       6 /* %rbp */
  40 #define X86_64_RSP_REGNUM       7 /* %rsp */
  41 #define X86_64_RIP_REGNUM       16 /* %rip */
  42 #define X86_64_EFLAGS_REGNUM    17 /* %eflags */
  43 #define X86_64_ST0_REGNUM       22 /* %st0 */
  44 #define X86_64_XMM0_REGNUM      38 /* %xmm0 */
  45 #define X86_64_XMM1_REGNUM      39 /* %xmm1 */
  46
  47 /* Number of general purpose registers.  */
  48 #define X86_64_NUM_GREGS        22
  49
  50 void x86_64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
  51
  52 /* Fill register REGNUM in REGCACHE with the appropriate
  53    floating-point or SSE register value from *FXSAVE.  If REGNUM is
  54    -1, do this for all registers.  This function masks off any of the
  55    reserved bits in *FXSAVE.  */
  56
  57 extern void x86_64_supply_fxsave (struct regcache *regcache, int regnum,
  58                                   const void *fxsave);
  59
  60 /* Fill register REGNUM (if it is a floating-point or SSE register) in
  61    *FXSAVE with the value in GDB's register cache.  If REGNUM is -1, do
  62    this for all registers.  This function doesn't touch any of the
  63    reserved bits in *FXSAVE.  */
  64
  65 void x86_64_fill_fxsave (char *fxsave, int regnum);
  66 \f
  67
  68 /* Variables exported from amd64nbsd-tdep.c.  */
  69 extern int amd64nbsd_r_reg_offset[];
  70
  71 /* Variables exported from amd64fbsd-tdep.c.  */
  72 extern CORE_ADDR amd64fbsd_sigtramp_start;
  73 extern CORE_ADDR amd64fbsd_sigtramp_end;
  74 extern int amd64fbsd_sc_reg_offset[];
  75
  76 #endif /* x86-64-tdep.h */