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author | Luis Machado <luis.machado@linaro.org> | 2020-06-15 13:39:30 -0300 |
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committer | Luis Machado <luis.machado@linaro.org> | 2020-06-25 13:23:38 -0300 |
commit | 04af1924d97910a274be9d569f98b1f4a714ea8f (patch) | |
tree | 7afcde7ecdbce2a0d4dcfd8d794dccc72cc968ef | |
parent | d0c98d56c30d9a88fcccd785ffdd21ed4f62de3a (diff) | |
download | gdb-04af1924d97910a274be9d569f98b1f4a714ea8f.zip gdb-04af1924d97910a274be9d569f98b1f4a714ea8f.tar.gz gdb-04af1924d97910a274be9d569f98b1f4a714ea8f.tar.bz2 |
AArch64: Add MTE CPU feature check support
This patch is a preparation for the next patches implementing MTE. It just adds
a HWCAP2 constant for MTE, creates a new generic arch/aarch64-mte-linux.h file
and includes that file in the source files that will use it.
gdb/ChangeLog:
YYYY-MM-DD Luis Machado <luis.machado@linaro.org>
* Makefile.in (HFILES_NO_SRCDIR): Add arch/aarch64-mte-linux.h.
* aarch64-linux-nat.c: Include arch/aarch64-mte-linux.h.
* aarch64-linux-tdep.c: Likewise
* arch/aarch64-mte-linux.h: New file.
gdbserver/ChangeLog:
YYYY-MM-DD Luis Machado <luis.machado@linaro.org>
* linux-aarch64-low.cc: Include arch/aarch64-mte-linux.h.
-rw-r--r-- | gdb/Makefile.in | 1 | ||||
-rw-r--r-- | gdb/aarch64-linux-nat.c | 2 | ||||
-rw-r--r-- | gdb/aarch64-linux-tdep.c | 2 | ||||
-rw-r--r-- | gdb/arch/aarch64-mte-linux.h | 28 | ||||
-rw-r--r-- | gdbserver/linux-aarch64-low.cc | 1 |
5 files changed, 34 insertions, 0 deletions
diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 32d0eee..ae789bb 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -1444,6 +1444,7 @@ HFILES_NO_SRCDIR = \ arch/aarch32.h \ arch/aarch64.h \ arch/aarch64-insn.h \ + arch/aarch64-mte-linux.h \ arch/arc.h \ arch/arm.h \ arch/i386.h \ diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c index 77d5863..260f475 100644 --- a/gdb/aarch64-linux-nat.c +++ b/gdb/aarch64-linux-nat.c @@ -50,6 +50,8 @@ #include "gdb_proc_service.h" #include "arch-utils.h" +#include "arch/aarch64-mte-linux.h" + #ifndef TRAP_HWBKPT #define TRAP_HWBKPT 0x0004 #endif diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index 34ba0d8..bfb4fc5 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -44,6 +44,8 @@ #include "record-full.h" #include "linux-record.h" +#include "arch/aarch64-mte-linux.h" + /* Signal frame handling. +------------+ ^ diff --git a/gdb/arch/aarch64-mte-linux.h b/gdb/arch/aarch64-mte-linux.h new file mode 100644 index 0000000..c6a91c2 --- /dev/null +++ b/gdb/arch/aarch64-mte-linux.h @@ -0,0 +1,28 @@ +/* Common Linux target-dependent definitions for AArch64 MTE + + Copyright (C) 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 ARCH_AARCH64_LINUX_H +#define ARCH_AARCH64_LINUX_H + +/* Feature check for Memory Tagging Extension. */ +#ifndef HWCAP2_MTE +#define HWCAP2_MTE (1 << 18) +#endif + +#endif /* ARCH_AARCH64_LINUX_H */ diff --git a/gdbserver/linux-aarch64-low.cc b/gdbserver/linux-aarch64-low.cc index 08208ae..7512aac 100644 --- a/gdbserver/linux-aarch64-low.cc +++ b/gdbserver/linux-aarch64-low.cc @@ -40,6 +40,7 @@ #include "gdb_proc_service.h" #include "arch/aarch64.h" +#include "arch/aarch64-mte-linux.h" #include "linux-aarch32-tdesc.h" #include "linux-aarch64-tdesc.h" #include "nat/aarch64-sve-linux-ptrace.h" |