AArch64: Add MTE ptrace requests

This patch adds the required ptrace request definitions into a new include
file that will be used by the next patches.

They are PTRACE_PEEKMTETAGS and PTRACE_POKEMTETAGS.

gdb/ChangeLog:

YYYY-MM-DD  Luis Machado  <luis.machado@linaro.org>

	* Makefile.in (HFILES_NO_SRCDIR): Add nat/aarch64-mte-linux-ptrace.h.
	* nat/aarch64-mte-linux-ptrace.h: New file.

diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index dcd444136a9609d51601da4be547acdf6546003a..ac4b12c928e4362b8d3bb542aa23c89b3f0ff389 100644 (file)
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1483,6 +1483,7 @@ HFILES_NO_SRCDIR = \
        nat/aarch64-linux.h \
        nat/aarch64-linux-hw-point.h \
        nat/aarch64-sve-linux-ptrace.h \
+       nat/aarch64-mte-linux-ptrace.h \
        nat/amd64-linux-siginfo.h \
        nat/gdb_ptrace.h \
        nat/gdb_thread_db.h \

diff --git a/gdb/nat/aarch64-mte-linux-ptrace.h b/gdb/nat/aarch64-mte-linux-ptrace.h
new file mode 100644 (file)
index 0000000..099b644
--- /dev/null
+++ b/gdb/nat/aarch64-mte-linux-ptrace.h
@@ -0,0 +1,33 @@
+/* Common native Linux definitions for AArch64 MTE.
+
+   Copyright (C) 2018-2020 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 NAT_AARCH64_MTE_LINUX_PTRACE_H
+#define NAT_AARCH64_MTE_LINUX_PTRACE_H
+
+/* MTE allocation tag access */
+
+#ifndef PTRACE_PEEKMTETAGS
+#define PTRACE_PEEKMTETAGS       33
+#endif
+
+#ifndef PTRACE_POKEMTETAGS
+#define PTRACE_POKEMTETAGS       34
+#endif
+
+#endif /* NAT_AARCH64_MTE_LINUX_PTRACE_H */