From: Luis Machado <luis.machado@arm.com>
To: <gdb-patches@sourceware.org>
Cc: <thiago.bauermann@linaro.org>, <simon.marchi@polymtl.ca>
Subject: [PATCH v6 07/17] [gdbserver/aarch64] refactor: Adjust expedited registers dynamically
Date: Wed, 13 Sep 2023 11:18:05 +0100 [thread overview]
Message-ID: <20230913101815.178154-8-luis.machado@arm.com> (raw)
In-Reply-To: <20230913101815.178154-1-luis.machado@arm.com>
Instead of using static arrays, build the list of expedited registers
dynamically using a std::vector.
This refactor shouldn't cause any user-visible changes.
Regression-tested for aarch64-linux Ubuntu 22.04/20.04.
---
gdbserver/linux-aarch64-tdesc.cc | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/gdbserver/linux-aarch64-tdesc.cc b/gdbserver/linux-aarch64-tdesc.cc
index 633134955e5..3c60e1a4db0 100644
--- a/gdbserver/linux-aarch64-tdesc.cc
+++ b/gdbserver/linux-aarch64-tdesc.cc
@@ -30,6 +30,8 @@
/* All possible aarch64 target descriptors. */
static std::unordered_map<aarch64_features, target_desc *> tdesc_aarch64_map;
+static std::vector<const char *> expedited_registers;
+
/* Create the aarch64 target description. */
const target_desc *
@@ -44,15 +46,20 @@ aarch64_linux_read_description (const aarch64_features &features)
if (tdesc == NULL)
{
tdesc = aarch64_create_target_description (features);
+ expedited_registers.clear ();
+
+ /* Configure the expedited registers. By default we include x29, sp and
+ pc. */
+ expedited_registers.push_back ("x29");
+ expedited_registers.push_back ("sp");
+ expedited_registers.push_back ("pc");
+
+ if (features.vq > 0)
+ expedited_registers.push_back ("vg");
- static const char *expedite_regs_aarch64[] = { "x29", "sp", "pc", NULL };
- static const char *expedite_regs_aarch64_sve[] = { "x29", "sp", "pc",
- "vg", NULL };
+ expedited_registers.push_back (nullptr);
- if (features.vq == 0)
- init_target_desc (tdesc, expedite_regs_aarch64);
- else
- init_target_desc (tdesc, expedite_regs_aarch64_sve);
+ init_target_desc (tdesc, (const char **) expedited_registers.data ());
tdesc_aarch64_map[features] = tdesc;
}
--
2.25.1
next prev parent reply other threads:[~2023-09-13 10:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 10:17 [PATCH v6 00/17] SME support for AArch64 gdb/gdbserver on Linux Luis Machado
2023-09-13 10:17 ` [PATCH v6 01/17] [gdb/aarch64] Fix register fetch/store order for native AArch64 Linux Luis Machado
2023-09-13 10:18 ` [PATCH v6 02/17] [gdb/aarch64] refactor: Rename SVE-specific files Luis Machado
2023-09-13 10:18 ` [PATCH v6 03/17] [gdb/gdbserver] refactor: Simplify SVE interface to read/write registers Luis Machado
2023-09-13 10:18 ` [PATCH v6 04/17] [gdb/aarch64] sve: Fix return command when using V registers in a SVE-enabled target Luis Machado
2023-09-13 10:18 ` [PATCH v6 05/17] [gdb/aarch64] sme: Enable SME registers and pseudo-registers Luis Machado
2023-09-13 10:18 ` [PATCH v6 06/17] [gdbserver/generic] Convert tdesc's expedite_regs to a string vector Luis Machado
2023-09-13 15:28 ` Tom Tromey
2023-09-13 10:18 ` Luis Machado [this message]
2023-09-13 10:18 ` [PATCH v6 08/17] [gdbserver/aarch64] sme: Add support for SME Luis Machado
2023-09-13 10:18 ` [PATCH v6 09/17] [gdb/aarch64] sve: Fix signal frame z/v register restore Luis Machado
2023-09-13 10:18 ` [PATCH v6 10/17] [gdb/aarch64] sme: Signal frame support Luis Machado
2023-09-13 10:18 ` [PATCH v6 11/17] [gdb/aarch64] sme: Fixup sigframe gdbarch when vg/svg changes Luis Machado
2023-09-13 10:18 ` [PATCH v6 12/17] [gdb/aarch64] sme: Support TPIDR2 signal frame context Luis Machado
2023-09-13 10:18 ` [PATCH v6 13/17] [gdb/generic] Get rid of linux-core-thread-data Luis Machado
2023-09-13 14:10 ` Simon Marchi
2023-09-13 10:18 ` [PATCH v6 14/17] [gdb/generic] corefile/bug: Use thread-specific gdbarch when dumping register state to core files Luis Machado
2023-09-13 14:20 ` Simon Marchi
2023-09-13 15:11 ` Tom Tromey
2023-09-13 10:18 ` [PATCH v6 15/17] [gdb/aarch64] sme: Core file support for Linux Luis Machado
2023-09-13 10:18 ` [PATCH v6 16/17] [gdb/testsuite] sme: Add SVE/SME testcases Luis Machado
2023-09-13 14:34 ` Simon Marchi
2023-09-13 14:46 ` Luis Machado
2023-09-13 15:26 ` Simon Marchi
2023-09-13 10:18 ` [PATCH v6 17/17] [gdb/docs] sme: Document SME registers and features Luis Machado
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