external/android-libunwind/include/libunwind-x86_64.h

   1 /* libunwind - a platform-independent unwind library
   2    Copyright (C) 2002-2004 Hewlett-Packard Co
   3         Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
   4
   5    Modified for x86_64 by Max Asbock <masbock@us.ibm.com>
   6
   7 This file is part of libunwind.
   8
   9 Permission is hereby granted, free of charge, to any person obtaining
  10 a copy of this software and associated documentation files (the
  11 "Software"), to deal in the Software without restriction, including
  12 without limitation the rights to use, copy, modify, merge, publish,
  13 distribute, sublicense, and/or sell copies of the Software, and to
  14 permit persons to whom the Software is furnished to do so, subject to
  15 the following conditions:
  16
  17 The above copyright notice and this permission notice shall be
  18 included in all copies or substantial portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
  27
  28 #ifndef LIBUNWIND_H
  29 #define LIBUNWIND_H
  30
  31 #if defined(__cplusplus) || defined(c_plusplus)
  32 extern "C" {
  33 #endif
  34
  35 #include <sys/types.h>
  36 #include <inttypes.h>
  37 #include <ucontext.h>
  38
  39 #define UNW_TARGET              x86_64
  40 #define UNW_TARGET_X86_64       1
  41
  42 #define _U_TDEP_QP_TRUE 0       /* see libunwind-dynamic.h  */
  43
  44 /* This needs to be big enough to accommodate "struct cursor", while
  45    leaving some slack for future expansion.  Changing this value will
  46    require recompiling all users of this library.  Stack allocation is
  47    relatively cheap and unwind-state copying is relatively rare, so we
  48    want to err on making it rather too big than too small.  */
  49 #define UNW_TDEP_CURSOR_LEN     127
  50
  51 typedef uint64_t unw_word_t;
  52 typedef int64_t unw_sword_t;
  53
  54 typedef long double unw_tdep_fpreg_t;
  55
  56 typedef enum
  57   {
  58     UNW_X86_64_RAX,
  59     UNW_X86_64_RDX,
  60     UNW_X86_64_RCX,
  61     UNW_X86_64_RBX,
  62     UNW_X86_64_RSI,
  63     UNW_X86_64_RDI,
  64     UNW_X86_64_RBP,
  65     UNW_X86_64_RSP,
  66     UNW_X86_64_R8,
  67     UNW_X86_64_R9,
  68     UNW_X86_64_R10,
  69     UNW_X86_64_R11,
  70     UNW_X86_64_R12,
  71     UNW_X86_64_R13,
  72     UNW_X86_64_R14,
  73     UNW_X86_64_R15,
  74     UNW_X86_64_RIP,
  75 #ifdef CONFIG_MSABI_SUPPORT
  76     UNW_X86_64_XMM0,
  77     UNW_X86_64_XMM1,
  78     UNW_X86_64_XMM2,
  79     UNW_X86_64_XMM3,
  80     UNW_X86_64_XMM4,
  81     UNW_X86_64_XMM5,
  82     UNW_X86_64_XMM6,
  83     UNW_X86_64_XMM7,
  84     UNW_X86_64_XMM8,
  85     UNW_X86_64_XMM9,
  86     UNW_X86_64_XMM10,
  87     UNW_X86_64_XMM11,
  88     UNW_X86_64_XMM12,
  89     UNW_X86_64_XMM13,
  90     UNW_X86_64_XMM14,
  91     UNW_X86_64_XMM15,
  92     UNW_TDEP_LAST_REG = UNW_X86_64_XMM15,
  93 #else
  94     UNW_TDEP_LAST_REG = UNW_X86_64_RIP,
  95 #endif
  96
  97     /* XXX Add other regs here */
  98
  99     /* frame info (read-only) */
 100     UNW_X86_64_CFA,
 101
 102     UNW_TDEP_IP = UNW_X86_64_RIP,
 103     UNW_TDEP_SP = UNW_X86_64_RSP,
 104     UNW_TDEP_BP = UNW_X86_64_RBP,
 105     UNW_TDEP_EH = UNW_X86_64_RAX
 106   }
 107 x86_64_regnum_t;
 108
 109 #define UNW_TDEP_NUM_EH_REGS    2       /* XXX Not sure what this means */
 110
 111 typedef struct unw_tdep_save_loc
 112   {
 113     /* Additional target-dependent info on a save location.  */
 114     /* ANDROID support update. */
 115     char __reserved;
 116     /* End of ANDROID update. */
 117   }
 118 unw_tdep_save_loc_t;
 119
 120 /* On x86_64, we can directly use ucontext_t as the unwind context.  */
 121 typedef ucontext_t unw_tdep_context_t;
 122
 123 typedef struct
 124   {
 125     /* no x86-64-specific auxiliary proc-info */
 126     /* ANDROID support update. */
 127     char __reserved;
 128     /* End of ANDROID update. */
 129   }
 130 unw_tdep_proc_info_t;
 131
 132 #include "libunwind-dynamic.h"
 133 #include "libunwind-common.h"
 134
 135 #define unw_tdep_getcontext             UNW_ARCH_OBJ(getcontext)
 136 #define unw_tdep_is_fpreg               UNW_ARCH_OBJ(is_fpreg)
 137
 138 extern int unw_tdep_getcontext (unw_tdep_context_t *);
 139 extern int unw_tdep_is_fpreg (int);
 140
 141 #if defined(__cplusplus) || defined(c_plusplus)
 142 }
 143 #endif
 144
 145 #endif /* LIBUNWIND_H */