From: Luis Machado <luis.machado@linaro.org>
To: gdb-patches@sourceware.org
Subject: [PATCH v6 16/25] AArch64: Add unit testing for logical tag set/get operations
Date: Mon, 22 Mar 2021 10:21:10 -0300 [thread overview]
Message-ID: <20210322132120.1202230-17-luis.machado@linaro.org> (raw)
In-Reply-To: <20210322132120.1202230-1-luis.machado@linaro.org>
Update on v4:
- Adjust function names.
--
Add some unit testing to exercise setting/getting logical tags in the
AArch64 implementation.
gdb/ChangeLog:
YYYY-MM-DD Luis Machado <luis.machado@linaro.org>
* aarch64-linux-tdep.c: Include gdbsupport/selftest.h.
(aarch64_linux_ltag_tests): New function.
(_initialize_aarch64_linux_tdep): Register aarch64_linux_ltag_tests.
---
gdb/aarch64-linux-tdep.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c
index 29440a8510c..9434f90e8f6 100644
--- a/gdb/aarch64-linux-tdep.c
+++ b/gdb/aarch64-linux-tdep.c
@@ -51,6 +51,8 @@
#include "arch-utils.h"
#include "value.h"
+#include "gdbsupport/selftest.h"
+
/* Signal frame handling.
+------------+ ^
@@ -1942,10 +1944,39 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_gdbarch_gcc_target_options (gdbarch, aarch64_linux_gcc_target_options);
}
+#if GDB_SELF_TEST
+
+namespace selftests {
+
+/* Verify functions to read and write logical tags. */
+
+static void
+aarch64_linux_ltag_tests (void)
+{
+ /* We have 4 bits of tags, but we test writing all the bits of the top
+ byte of address. */
+ for (int i = 0; i < 1 << 8; i++)
+ {
+ CORE_ADDR addr = ((CORE_ADDR) i << 56) | 0xdeadbeef;
+ SELF_CHECK (aarch64_mte_get_ltag (addr) == (i & 0xf));
+
+ addr = aarch64_mte_set_ltag (0xdeadbeef, i);
+ SELF_CHECK (addr = ((CORE_ADDR) (i & 0xf) << 56) | 0xdeadbeef);
+ }
+}
+
+} // namespace selftests
+#endif /* GDB_SELF_TEST */
+
void _initialize_aarch64_linux_tdep ();
void
_initialize_aarch64_linux_tdep ()
{
gdbarch_register_osabi (bfd_arch_aarch64, 0, GDB_OSABI_LINUX,
aarch64_linux_init_abi);
+
+#if GDB_SELF_TEST
+ selftests::register_test ("aarch64-linux-tagged-address",
+ selftests::aarch64_linux_ltag_tests);
+#endif
}
--
2.25.1
next prev parent reply other threads:[~2021-03-22 13:21 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-22 13:20 [PATCH v6 00/25] Memory Tagging Support + AArch64 Linux implementation Luis Machado
2021-03-22 13:20 ` [PATCH v6 01/25] New target methods for memory tagging support Luis Machado
2021-03-23 21:22 ` Simon Marchi
2021-03-22 13:20 ` [PATCH v6 02/25] New gdbarch memory tagging hooks Luis Machado
2021-03-22 13:20 ` [PATCH v6 03/25] Add GDB-side remote target support for memory tagging Luis Machado
2021-03-22 13:20 ` [PATCH v6 04/25] Unit testing for GDB-side remote memory tagging handling Luis Machado
2021-03-22 13:20 ` [PATCH v6 05/25] GDBserver remote packet support for memory tagging Luis Machado
2021-03-22 13:21 ` [PATCH v6 06/25] Unit tests for gdbserver memory tagging remote packets Luis Machado
2021-03-22 13:21 ` [PATCH v6 07/25] Documentation for " Luis Machado
2021-03-22 17:47 ` Eli Zaretskii
2021-03-22 13:21 ` [PATCH v6 08/25] AArch64: Add MTE CPU feature check support Luis Machado
2021-03-22 13:21 ` [PATCH v6 09/25] AArch64: Add target description/feature for MTE registers Luis Machado
2021-03-22 13:21 ` [PATCH v6 10/25] AArch64: Add MTE register set support for GDB and gdbserver Luis Machado
2021-03-22 13:21 ` [PATCH v6 11/25] AArch64: Add MTE ptrace requests Luis Machado
2021-03-22 13:21 ` [PATCH v6 12/25] AArch64: Implement memory tagging target methods for AArch64 Luis Machado
2021-03-22 13:21 ` [PATCH v6 13/25] Convert char array to std::string in linux_find_memory_regions_full Luis Machado
2021-03-22 13:21 ` [PATCH v6 14/25] Refactor parsing of /proc/<pid>/smaps Luis Machado
2021-03-23 21:28 ` Simon Marchi
2021-03-22 13:21 ` [PATCH v6 15/25] AArch64: Implement the memory tagging gdbarch hooks Luis Machado
2021-03-23 21:32 ` Simon Marchi
2021-03-22 13:21 ` Luis Machado [this message]
2022-01-31 14:34 ` [PATCH v6 16/25] AArch64: Add unit testing for logical tag set/get operations Simon Marchi
2021-03-22 13:21 ` [PATCH v6 17/25] AArch64: Report tag violation error information Luis Machado
2021-03-22 13:21 ` [PATCH v6 18/25] AArch64: Add gdbserver MTE support Luis Machado
2021-03-22 13:21 ` [PATCH v6 19/25] AArch64: Add MTE register set support for core files Luis Machado
2021-03-22 13:21 ` [PATCH v6 20/25] New memory-tag commands Luis Machado
2021-03-22 13:21 ` [PATCH v6 21/25] Documentation for the new mtag commands Luis Machado
2021-03-22 17:49 ` Eli Zaretskii
2021-03-22 13:21 ` [PATCH v6 22/25] Extend "x" and "print" commands to support memory tagging Luis Machado
2021-03-22 13:21 ` [PATCH v6 23/25] Document new "x" and "print" memory tagging extensions Luis Machado
2021-03-22 17:51 ` Eli Zaretskii
2021-03-22 13:21 ` [PATCH v6 24/25] Add NEWS entry Luis Machado
2021-03-22 17:51 ` Eli Zaretskii
2021-03-22 17:52 ` Luis Machado
2021-03-22 13:21 ` [PATCH v6 25/25] Add memory tagging testcases Luis Machado
2021-03-23 22:50 ` [PATCH v6 00/25] Memory Tagging Support + AArch64 Linux implementation Simon Marchi
2021-03-24 18:18 ` Luis Machado
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