diff options
Diffstat (limited to 'gdb/aarch64-linux-nat.c')
| -rw-r--r-- | gdb/aarch64-linux-nat.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c index 3face34..297f56c 100644 --- a/gdb/aarch64-linux-nat.c +++ b/gdb/aarch64-linux-nat.c @@ -110,6 +110,8 @@ public: /* Write allocation tags to memory via PTRACE. */ bool store_memtags (CORE_ADDR address, size_t len, const gdb::byte_vector &tags, int type) override; + /* Check if an address is tagged. */ + bool is_address_tagged (gdbarch *gdbarch, CORE_ADDR address) override; }; static aarch64_linux_nat_target the_aarch64_linux_nat_target; @@ -1071,6 +1073,19 @@ aarch64_linux_nat_target::store_memtags (CORE_ADDR address, size_t len, return false; } +bool +aarch64_linux_nat_target::is_address_tagged (gdbarch *gdbarch, CORE_ADDR address) +{ + /* Here we take a detour going to linux-tdep layer to read the smaps file, + because currently there isn't a better way to get that information to + check if a given address is tagged or not. + + In the future, if this check is made, for instance, available via PTRACE, + it will be possible to drop the smaps path in favor of a PTRACE one for + this check. */ + return gdbarch_tagged_address_p (gdbarch, address); +} + void _initialize_aarch64_linux_nat (); void _initialize_aarch64_linux_nat () |