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| author | Luis Machado <luis.machado@linaro.org> | 2020-06-15 15:11:07 -0300 |
|---|---|---|
| committer | Luis Machado <luis.machado@linaro.org> | 2020-06-25 13:23:38 -0300 |
| commit | dddcc4b5eec8b9c89c54131ddcb6c73949de98ea (patch) | |
| tree | e5dcf4ce4ba144e888502086d2e324295f36e075 | |
| parent | 74e76b725d270a7d800ba472b780eaac0d9cfc78 (diff) | |
| download | binutils-gdb-dddcc4b5eec8b9c89c54131ddcb6c73949de98ea.tar.gz | |
AArch64: Add unit testing for logical tag set/get operations
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.
| -rw-r--r-- | gdb/aarch64-linux-tdep.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index 0cc2e742792..892977da55a 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -50,6 +50,8 @@ #include "arch-utils.h" #include "value.h" +#include "gdbsupport/selftest.h" + /* Signal frame handling. +------------+ ^ @@ -1900,10 +1902,39 @@ 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_linux_get_ltag (addr) == (i & 0xf)); + + addr = aarch64_linux_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 } |