[PING][PATCH v3 00/16] SME support for AArch64 gdb/gdbserver on Linux

Luis Machado via Gdb-patches
2023-07-17T11:40:42Z

On 6/30/23 14:46, Luis Machado via Gdb-patches wrote:
> The following series enables SME 1 (Scalable Matrix Extension) support for
> AArch64 gdb and gdbserver.
>
> SME expands on SVE by having a variable-sized matrix (ZA) of dimensions
> SVL x SVL bytes.
>
> The first few patches and some intermediate ones refactor the code and fix
> issues prior to enabling SME support, and thus could go in independently.
>
> I've kept them in the series as they are closely/logically related.
>
> --
>
> Luis Machado (16):
> [gdb/aarch64] Fix register fetch/store order for native AArch64 Linux
> [gdb/aarch64] refactor: Rename SVE-specific files
> [gdb/gdbserver] refactor: Simplify SVE interface to read/write
> registers
> [gdb/aarch64] sve: Fix return command when using V registers in a
> SVE-enabled target
> [gdb/aarch64] sme: Enable SME registers and pseudo-registers
> [gdbserver/aarch64] refactor: Adjust expedited registers dynamically
> [gdbserver/aarch64] sme: Add support for SME
> [gdb/aarch64] sve: Fix signal frame z/v register restore
> [gdb/aarch64] sme: Signal frame support
> [gdb/aarch64] sme: Fixup sigframe gdbarch when vg/svg changes
> [gdb/aarch64] sme: Support TPIDR2 signal frame context
> [gdb/generic] corefile/bug: Use thread-specific gdbarch when dumping
> register state to core files
> [gdb/generic] corefile/bug: Fixup (gcore) core file target description
> reading order
> [gdb/aarch64] sme: Core file support for Linux
> [gdb/testsuite] sme: Add SVE/SME testcases
> [gdb/docs] sme: Document SME registers and features
>
> gdb/Makefile.in | 6 +-
> gdb/NEWS | 11 +
> gdb/aarch64-linux-nat.c | 179 ++--
> gdb/aarch64-linux-tdep.c | 951 ++++++++++++++---
> gdb/aarch64-tdep.c | 724 ++++++++++++-
> gdb/aarch64-tdep.h | 47 +
> gdb/arch/aarch64-scalable-linux.c | 55 +
> gdb/arch/aarch64-scalable-linux.h | 53 +
> gdb/arch/aarch64.c | 5 +
> gdb/arch/aarch64.h | 57 +-
> gdb/configure.nat | 2 +-
> gdb/configure.tgt | 1 +
> gdb/corelow.c | 24 +-
> gdb/doc/gdb.texinfo | 249 +++++
> gdb/features/aarch64-sme.c | 63 ++
> gdb/linux-tdep.c | 18 +-
> gdb/nat/aarch64-scalable-linux-ptrace.c | 993 ++++++++++++++++++
> gdb/nat/aarch64-scalable-linux-ptrace.h | 156 +++
> ....h => aarch64-scalable-linux-sigcontext.h} | 73 +-
> gdb/nat/aarch64-sve-linux-ptrace.c | 392 -------
> gdb/nat/aarch64-sve-linux-ptrace.h | 72 --
> gdb/testsuite/gdb.arch/aarch64-sme-core-0.exp | 18 +
> gdb/testsuite/gdb.arch/aarch64-sme-core-1.exp | 18 +
> gdb/testsuite/gdb.arch/aarch64-sme-core-2.exp | 18 +
> gdb/testsuite/gdb.arch/aarch64-sme-core-3.exp | 18 +
> gdb/testsuite/gdb.arch/aarch64-sme-core-4.exp | 18 +
> gdb/testsuite/gdb.arch/aarch64-sme-core.c | 372 +++++++
> .../gdb.arch/aarch64-sme-core.exp.tcl | 187 ++++
> .../gdb.arch/aarch64-sme-regs-available-0.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-available-1.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-available-2.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-available-3.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-available-4.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-available.c | 178 ++++
> .../aarch64-sme-regs-available.exp.tcl | 245 +++++
> .../gdb.arch/aarch64-sme-regs-sigframe-0.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-sigframe-1.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-sigframe-2.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-sigframe-3.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-sigframe-4.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-sigframe.c | 366 +++++++
> .../aarch64-sme-regs-sigframe.exp.tcl | 179 ++++
> .../aarch64-sme-regs-unavailable-0.exp | 18 +
> .../aarch64-sme-regs-unavailable-1.exp | 18 +
> .../aarch64-sme-regs-unavailable-2.exp | 18 +
> .../aarch64-sme-regs-unavailable-3.exp | 18 +
> .../aarch64-sme-regs-unavailable-4.exp | 18 +
> .../gdb.arch/aarch64-sme-regs-unavailable.c | 152 +++
> .../aarch64-sme-regs-unavailable.exp.tcl | 212 ++++
> gdb/testsuite/gdb.arch/aarch64-sme-sanity.c | 249 +++++
> gdb/testsuite/gdb.arch/aarch64-sme-sanity.exp | 72 ++
> gdb/testsuite/lib/aarch64-test-sme.c | 90 ++
> gdb/testsuite/lib/aarch64-test-sve.c | 90 ++
> gdb/testsuite/lib/aarch64.exp | 372 +++++++
> gdb/testsuite/lib/gdb.exp | 249 +++++
> gdb/tramp-frame.c | 1 +
> gdb/tramp-frame.h | 12 +
> gdbserver/Makefile.in | 2 +-
> gdbserver/configure.srv | 3 +-
> gdbserver/linux-aarch64-low.cc | 100 +-
> gdbserver/linux-aarch64-tdesc.cc | 28 +-
> gdbserver/server.h | 2 +-
> 62 files changed, 6958 insertions(+), 694 deletions(-)
> create mode 100644 gdb/arch/aarch64-scalable-linux.c
> create mode 100644 gdb/arch/aarch64-scalable-linux.h
> create mode 100644 gdb/features/aarch64-sme.c
> create mode 100644 gdb/nat/aarch64-scalable-linux-ptrace.c
> create mode 100644 gdb/nat/aarch64-scalable-linux-ptrace.h
> rename gdb/nat/{aarch64-sve-linux-sigcontext.h => aarch64-scalable-linux-sigcontext.h} (78%)
> delete mode 100644 gdb/nat/aarch64-sve-linux-ptrace.c
> delete mode 100644 gdb/nat/aarch64-sve-linux-ptrace.h
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-0.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-1.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-2.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-3.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core-4.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core.c
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-core.exp.tcl
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-0.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-1.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-2.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-3.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available-4.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available.c
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-available.exp.tcl
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-0.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-1.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-2.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-3.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe-4.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe.c
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-sigframe.exp.tcl
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-0.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-1.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-2.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-3.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable-4.exp
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable.c
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-regs-unavailable.exp.tcl
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-sanity.c
> create mode 100644 gdb/testsuite/gdb.arch/aarch64-sme-sanity.exp
> create mode 100644 gdb/testsuite/lib/aarch64-test-sme.c
> create mode 100644 gdb/testsuite/lib/aarch64-test-sve.c
> create mode 100644 gdb/testsuite/lib/aarch64.exp
>