gdb/amd64-tdep.h

   1 /* Target-dependent definitions for AMD64.
   2
   3    Copyright (C) 2001, 2003, 2004, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef AMD64_TDEP_H
  22 #define AMD64_TDEP_H
  23
  24 struct gdbarch;
  25 struct frame_info;
  26 struct regcache;
  27
  28 #include "i386-tdep.h"
  29
  30 /* Register numbers of various important registers.  */
  31
  32 enum amd64_regnum
  33 {
  34   AMD64_RAX_REGNUM,             /* %rax */
  35   AMD64_RBX_REGNUM,             /* %rbx */
  36   AMD64_RCX_REGNUM,             /* %rcx */
  37   AMD64_RDX_REGNUM,             /* %rdx */
  38   AMD64_RSI_REGNUM,             /* %rsi */
  39   AMD64_RDI_REGNUM,             /* %rdi */
  40   AMD64_RBP_REGNUM,             /* %rbp */
  41   AMD64_RSP_REGNUM,             /* %rsp */
  42   AMD64_R8_REGNUM = 8,          /* %r8 */
  43   AMD64_R15_REGNUM = 15,        /* %r15 */
  44   AMD64_RIP_REGNUM,             /* %rip */
  45   AMD64_EFLAGS_REGNUM,          /* %eflags */
  46   AMD64_CS_REGNUM,              /* %cs */
  47   AMD64_SS_REGNUM,              /* %ss */
  48   AMD64_DS_REGNUM,              /* %ds */
  49   AMD64_ES_REGNUM,              /* %es */
  50   AMD64_FS_REGNUM,              /* %fs */
  51   AMD64_GS_REGNUM,              /* %gs */
  52   AMD64_ST0_REGNUM = 24,        /* %st0 */
  53   AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8,
  54   AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
  55   AMD64_XMM0_REGNUM = 40,       /* %xmm0 */
  56   AMD64_XMM1_REGNUM,            /* %xmm1 */
  57   AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16
  58 };
  59
  60 /* Number of general purpose registers.  */
  61 #define AMD64_NUM_GREGS         24
  62
  63 extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
  64
  65 /* Functions from amd64-tdep.c which may be needed on architectures
  66    with extra registers.  */
  67
  68 extern const char *amd64_register_name (struct gdbarch *gdbarch, int regnum);
  69 extern struct type *amd64_register_type (struct gdbarch *gdbarch, int regnum);
  70
  71 /* Fill register REGNUM in REGCACHE with the appropriate
  72    floating-point or SSE register value from *FXSAVE.  If REGNUM is
  73    -1, do this for all registers.  This function masks off any of the
  74    reserved bits in *FXSAVE.  */
  75
  76 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
  77                                  const void *fxsave);
  78
  79 /* Fill register REGNUM (if it is a floating-point or SSE register) in
  80    *FXSAVE with the value from REGCACHE.  If REGNUM is -1, do this for
  81    all registers.  This function doesn't touch any of the reserved
  82    bits in *FXSAVE.  */
  83
  84 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
  85                                   void *fxsave);
  86 \f
  87
  88 /* Variables exported from amd64nbsd-tdep.c.  */
  89 extern int amd64nbsd_r_reg_offset[];
  90
  91 /* Variables exported from amd64obsd-tdep.c.  */
  92 extern int amd64obsd_r_reg_offset[];
  93
  94 /* Variables exported from amd64fbsd-tdep.c.  */
  95 extern CORE_ADDR amd64fbsd_sigtramp_start_addr;
  96 extern CORE_ADDR amd64fbsd_sigtramp_end_addr;
  97 extern int amd64fbsd_sc_reg_offset[];
  98
  99 #endif /* amd64-tdep.h */