From: Luis Machado via Gdb-patches <gdb-patches@sourceware.org>
To: gdb-patches@sourceware.org
Cc: david.spickett@linaro.org
Subject: [PING] [PATCH v4 00/25] Memory Tagging Support + AArch64 Linux implementation
Date: Tue, 26 Jan 2021 10:03:08 -0300 [thread overview]
Message-ID: <d0bcd01a-f140-b6cf-0e06-8abd73c878fd@linaro.org> (raw)
In-Reply-To: <3ced805e-edef-922a-4181-b15f75e0e59a@linaro.org>
On 1/15/21 1:02 PM, Luis Machado wrote:
> Ping?
>
> On 12/30/20 12:38 PM, Luis Machado wrote:
>> Memory tagging improves memory safety by tagging various parts of
>> memory and
>> raising exceptions when the allocation tag (the one associated with a
>> range of
>> memory addresses) does not match the logical tag contained in a
>> pointer that is
>> used to access the memory area.
>>
>> We already have an implementation of such a mechanism for sparc64
>> (ADI), but
>> it is target-specific and not exposed to the rest of GDB. This series
>> aims to
>> make the infrastructure available to other targets that may wish to
>> support
>> their specific memory tagging approaches. For AArch64 Linux this is
>> called
>> MTE (Memory Tagging Extensions).
>>
>> The series is split into a set that deals with generic changes to GDB's
>> infrastructure (target methods, gdbarch hooks and remote packets), a
>> set that
>> implements support for AArch64 Linux and one last set that implements new
>> commands, updates the documentation and adds tests.
>>
>> The goal is to make it so the architecture independent parts of GDB don't
>> need to interpret tag formats, given the formats are likely different
>> for each architecture. For this reason, GDB will handle tags as a
>> sequence of
>> bytes and will not assume a particular format.
>>
>> The architecture-specific code can handle the sequence of bytes
>> appropriately.
>>
>> Luis Machado (25):
>> New target methods for memory tagging support
>> New gdbarch memory tagging hooks
>> Add GDB-side remote target support for memory tagging
>> Unit testing for GDB-side remote memory tagging handling
>> GDBserver remote packet support for memory tagging
>> Unit tests for gdbserver memory tagging remote packets
>> Documentation for memory tagging remote packets
>> AArch64: Add MTE CPU feature check support
>> AArch64: Add target description/feature for MTE registers
>> AArch64: Add MTE register set support for GDB and gdbserver
>> AArch64: Add MTE ptrace requests
>> AArch64: Implement memory tagging target methods for AArch64
>> Convert char array to std::string in linux_find_memory_regions_full
>> Refactor parsing of /proc/<pid>/smaps
>> AArch64: Implement the memory tagging gdbarch hooks
>> AArch64: Add unit testing for logical tag set/get operations
>> AArch64: Report tag violation error information
>> AArch64: Add gdbserver MTE support
>> AArch64: Add MTE register set support for core files
>> New memory-tag commands
>> Documentation for the new mtag commands
>> Extend "x" and "print" commands to support memory tagging
>> Document new "x" and "print" memory tagging extensions
>> Add NEWS entry.
>> Add memory tagging testcases
>>
>> gdb/Makefile.in | 3 +
>> gdb/NEWS | 36 +-
>> gdb/aarch64-linux-nat.c | 127 ++++++-
>> gdb/aarch64-linux-tdep.c | 336 +++++++++++++++++-
>> gdb/aarch64-linux-tdep.h | 3 +
>> gdb/aarch64-tdep.c | 40 ++-
>> gdb/aarch64-tdep.h | 12 +-
>> gdb/arch-utils.c | 50 +++
>> gdb/arch-utils.h | 23 ++
>> gdb/arch/aarch64-mte-linux.c | 73 ++++
>> gdb/arch/aarch64-mte-linux.h | 75 ++++
>> gdb/arch/aarch64.c | 7 +-
>> gdb/arch/aarch64.h | 7 +-
>> gdb/configure.nat | 3 +-
>> gdb/configure.tgt | 1 +
>> gdb/doc/gdb.texinfo | 233 +++++++++++-
>> gdb/features/Makefile | 1 +
>> gdb/features/aarch64-mte.c | 14 +
>> gdb/features/aarch64-mte.xml | 11 +
>> gdb/gdbarch.c | 137 ++++++++
>> gdb/gdbarch.h | 53 +++
>> gdb/gdbarch.sh | 36 ++
>> gdb/linux-tdep.c | 378 +++++++++++++-------
>> gdb/linux-tdep.h | 4 +
>> gdb/nat/aarch64-mte-linux-ptrace.c | 200 +++++++++++
>> gdb/nat/aarch64-mte-linux-ptrace.h | 50 +++
>> gdb/printcmd.c | 468 ++++++++++++++++++++++++-
>> gdb/remote.c | 227 ++++++++++++
>> gdb/target-debug.h | 24 ++
>> gdb/target-delegates.c | 95 +++++
>> gdb/target.h | 41 +++
>> gdb/testsuite/gdb.arch/aarch64-mte.c | 107 ++++++
>> gdb/testsuite/gdb.arch/aarch64-mte.exp | 369 +++++++++++++++++++
>> gdb/testsuite/gdb.base/memtag.c | 22 ++
>> gdb/testsuite/gdb.base/memtag.exp | 66 ++++
>> gdb/testsuite/lib/gdb.exp | 16 +
>> gdb/valprint.h | 1 +
>> gdbserver/Makefile.in | 1 +
>> gdbserver/configure.srv | 2 +
>> gdbserver/linux-aarch64-ipa.cc | 8 +-
>> gdbserver/linux-aarch64-low.cc | 97 ++++-
>> gdbserver/linux-aarch64-tdesc.cc | 10 +-
>> gdbserver/linux-aarch64-tdesc.h | 3 +-
>> gdbserver/remote-utils.cc | 43 ++-
>> gdbserver/remote-utils.h | 7 +-
>> gdbserver/server.cc | 219 ++++++++++++
>> gdbserver/server.h | 3 +
>> gdbserver/target.cc | 20 ++
>> gdbserver/target.h | 21 ++
>> gdbsupport/common-utils.cc | 49 +++
>> gdbsupport/common-utils.h | 15 +
>> gdbsupport/rsp-low.cc | 49 ---
>> gdbsupport/rsp-low.h | 19 -
>> include/elf/common.h | 3 +
>> 54 files changed, 3654 insertions(+), 264 deletions(-)
>> create mode 100644 gdb/arch/aarch64-mte-linux.c
>> create mode 100644 gdb/arch/aarch64-mte-linux.h
>> create mode 100644 gdb/features/aarch64-mte.c
>> create mode 100644 gdb/features/aarch64-mte.xml
>> create mode 100644 gdb/nat/aarch64-mte-linux-ptrace.c
>> create mode 100644 gdb/nat/aarch64-mte-linux-ptrace.h
>> create mode 100644 gdb/testsuite/gdb.arch/aarch64-mte.c
>> create mode 100644 gdb/testsuite/gdb.arch/aarch64-mte.exp
>> create mode 100644 gdb/testsuite/gdb.base/memtag.c
>> create mode 100644 gdb/testsuite/gdb.base/memtag.exp
>>
next prev parent reply other threads:[~2021-01-26 13:03 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-30 15:38 Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 01/25] New target methods for memory tagging support Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 02/25] New gdbarch memory tagging hooks Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 03/25] Add GDB-side remote target support for memory tagging Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 04/25] Unit testing for GDB-side remote memory tagging handling Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 05/25] GDBserver remote packet support for memory tagging Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 06/25] Unit tests for gdbserver memory tagging remote packets Luis Machado via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 07/25] Documentation for " Luis Machado via Gdb-patches
2020-12-30 20:41 ` Eli Zaretskii via Gdb-patches
2020-12-30 15:38 ` [PATCH v4 08/25] AArch64: Add MTE CPU feature check support Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 09/25] AArch64: Add target description/feature for MTE registers Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 10/25] AArch64: Add MTE register set support for GDB and gdbserver Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 11/25] AArch64: Add MTE ptrace requests Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 12/25] AArch64: Implement memory tagging target methods for AArch64 Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 13/25] Convert char array to std::string in linux_find_memory_regions_full Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 14/25] Refactor parsing of /proc/<pid>/smaps Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 15/25] AArch64: Implement the memory tagging gdbarch hooks Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 16/25] AArch64: Add unit testing for logical tag set/get operations Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 17/25] AArch64: Report tag violation error information Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 18/25] AArch64: Add gdbserver MTE support Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 19/25] AArch64: Add MTE register set support for core files Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 20/25] New memory-tag commands Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 21/25] Documentation for the new mtag commands Luis Machado via Gdb-patches
2020-12-30 20:43 ` Eli Zaretskii via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 22/25] Extend "x" and "print" commands to support memory tagging Luis Machado via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 23/25] Document new "x" and "print" memory tagging extensions Luis Machado via Gdb-patches
2020-12-30 20:44 ` Eli Zaretskii via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 24/25] Add NEWS entry Luis Machado via Gdb-patches
2020-12-30 20:45 ` Eli Zaretskii via Gdb-patches
2020-12-30 15:39 ` [PATCH v4 25/25] Add memory tagging testcases Luis Machado via Gdb-patches
2021-01-15 16:02 ` [PATCH v4 00/25] Memory Tagging Support + AArch64 Linux implementation Luis Machado via Gdb-patches
2021-01-26 13:03 ` Luis Machado via Gdb-patches [this message]
2021-01-26 16:26 ` [PING] " Simon Marchi via Gdb-patches
2021-01-26 16:36 ` Luis Machado via Gdb-patches
2021-01-26 16:49 ` Simon Marchi via Gdb-patches
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