gdb/amd64-tdep.h

   1 /* Target-dependent definitions for AMD64.
   2
   3    Copyright (C) 2001, 2003, 2004, 2007, 2008, 2009
   4    Free Software Foundation, Inc.
   5    Contributed by Jiri Smid, SuSE Labs.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef AMD64_TDEP_H
  23 #define AMD64_TDEP_H
  24
  25 struct gdbarch;
  26 struct frame_info;
  27 struct regcache;
  28
  29 #include "i386-tdep.h"
  30
  31 /* Register numbers of various important registers.  */
  32
  33 enum amd64_regnum
  34 {
  35   AMD64_RAX_REGNUM,             /* %rax */
  36   AMD64_RBX_REGNUM,             /* %rbx */
  37   AMD64_RCX_REGNUM,             /* %rcx */
  38   AMD64_RDX_REGNUM,             /* %rdx */
  39   AMD64_RSI_REGNUM,             /* %rsi */
  40   AMD64_RDI_REGNUM,             /* %rdi */
  41   AMD64_RBP_REGNUM,             /* %rbp */
  42   AMD64_RSP_REGNUM,             /* %rsp */
  43   AMD64_R8_REGNUM,              /* %r8 */
  44   AMD64_R9_REGNUM,              /* %r9 */
  45   AMD64_R10_REGNUM,             /* %r10 */
  46   AMD64_R11_REGNUM,             /* %r11 */
  47   AMD64_R12_REGNUM,             /* %r12 */
  48   AMD64_R13_REGNUM,             /* %r13 */
  49   AMD64_R14_REGNUM,             /* %r14 */
  50   AMD64_R15_REGNUM,             /* %r15 */
  51   AMD64_RIP_REGNUM,             /* %rip */
  52   AMD64_EFLAGS_REGNUM,          /* %eflags */
  53   AMD64_CS_REGNUM,              /* %cs */
  54   AMD64_SS_REGNUM,              /* %ss */
  55   AMD64_DS_REGNUM,              /* %ds */
  56   AMD64_ES_REGNUM,              /* %es */
  57   AMD64_FS_REGNUM,              /* %fs */
  58   AMD64_GS_REGNUM,              /* %gs */
  59   AMD64_ST0_REGNUM = 24,        /* %st0 */
  60   AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8,
  61   AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
  62   AMD64_XMM0_REGNUM = 40,       /* %xmm0 */
  63   AMD64_XMM1_REGNUM,            /* %xmm1 */
  64   AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16
  65 };
  66
  67 /* Number of general purpose registers.  */
  68 #define AMD64_NUM_GREGS         24
  69
  70 extern struct displaced_step_closure *amd64_displaced_step_copy_insn
  71   (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to,
  72    struct regcache *regs);
  73 extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch,
  74                                         struct displaced_step_closure *closure,
  75                                         CORE_ADDR from, CORE_ADDR to,
  76                                         struct regcache *regs);
  77
  78 extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
  79
  80 /* Functions from amd64-tdep.c which may be needed on architectures
  81    with extra registers.  */
  82
  83 extern const char *amd64_register_name (struct gdbarch *gdbarch, int regnum);
  84 extern struct type *amd64_register_type (struct gdbarch *gdbarch, int regnum);
  85
  86 /* Fill register REGNUM in REGCACHE with the appropriate
  87    floating-point or SSE register value from *FXSAVE.  If REGNUM is
  88    -1, do this for all registers.  This function masks off any of the
  89    reserved bits in *FXSAVE.  */
  90
  91 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
  92                                  const void *fxsave);
  93
  94 /* Fill register REGNUM (if it is a floating-point or SSE register) in
  95    *FXSAVE with the value from REGCACHE.  If REGNUM is -1, do this for
  96    all registers.  This function doesn't touch any of the reserved
  97    bits in *FXSAVE.  */
  98
  99 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
 100                                   void *fxsave);
 101 \f
 102
 103 /* Variables exported from amd64nbsd-tdep.c.  */
 104 extern int amd64nbsd_r_reg_offset[];
 105
 106 /* Variables exported from amd64obsd-tdep.c.  */
 107 extern int amd64obsd_r_reg_offset[];
 108
 109 /* Variables exported from amd64fbsd-tdep.c.  */
 110 extern CORE_ADDR amd64fbsd_sigtramp_start_addr;
 111 extern CORE_ADDR amd64fbsd_sigtramp_end_addr;
 112 extern int amd64fbsd_sc_reg_offset[];
 113
 114 #endif /* amd64-tdep.h */