1 files changed, 44 insertions, 0 deletions
diff --git a/gdb/nat/amd64-linux-siginfo.h b/gdb/nat/amd64-linux-siginfo.h
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+++ b/gdb/nat/amd64-linux-siginfo.h
@@ -0,0 +1,44 @@
+/* Low-level siginfo manipulation for amd64.
+
+   Copyright (C) 2016 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef AMD64_LINUX_SIGINFO_H
+#define AMD64_LINUX_SIGINFO_H 1
+
+
+/* When GDB is built as a 64-bit application on Linux, the
+   PTRACE_GETSIGINFO data is always presented in 64-bit layout.  Since
+   debugging a 32-bit inferior with a 64-bit GDB should look the same
+   as debugging it with a 32-bit GDB, we do the 32-bit <-> 64-bit
+   conversion in-place ourselves.  */
+
+/* Kind of siginfo fixup to be performed.  */
+
+enum amd64_siginfo_fixup_mode
+{
+  FIXUP_32 = 1,   /* Fixup for 32bit.  */
+  FIXUP_X32 = 2   /* Fixup for x32.  */
+};
+
+/* Common code for performing the fixup of the siginfo.  */
+
+int amd64_linux_siginfo_fixup_common (siginfo_t *native, gdb_byte *inf,
+				      int direction,
+				      enum amd64_siginfo_fixup_mode mode);
+
+#endif