gdb/nat/amd64-linux-siginfo.h

   1 /* Low-level siginfo manipulation for amd64.
   2
   3    Copyright (C) 2016 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef AMD64_LINUX_SIGINFO_H
  21 #define AMD64_LINUX_SIGINFO_H 1
  22
  23
  24 /* When GDB is built as a 64-bit application on Linux, the
  25    PTRACE_GETSIGINFO data is always presented in 64-bit layout.  Since
  26    debugging a 32-bit inferior with a 64-bit GDB should look the same
  27    as debugging it with a 32-bit GDB, we do the 32-bit <-> 64-bit
  28    conversion in-place ourselves.  */
  29
  30 /* Kind of siginfo fixup to be performed.  */
  31
  32 enum amd64_siginfo_fixup_mode
  33 {
  34   FIXUP_32 = 1,   /* Fixup for 32bit.  */
  35   FIXUP_X32 = 2   /* Fixup for x32.  */
  36 };
  37
  38 /* Common code for performing the fixup of the siginfo.  */
  39
  40 int amd64_linux_siginfo_fixup_common (siginfo_t *native, gdb_byte *inf,
  41                                       int direction,
  42                                       enum amd64_siginfo_fixup_mode mode);
  43
  44 #endif