diff options
Diffstat (limited to 'gdb/aarch64-linux-nat.c')
| -rw-r--r-- | gdb/aarch64-linux-nat.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c index 63e1395..5b245d0 100644 --- a/gdb/aarch64-linux-nat.c +++ b/gdb/aarch64-linux-nat.c @@ -52,6 +52,8 @@ #include "arch/aarch64-mte-linux.h" +#include "nat/aarch64-mte-linux-ptrace.h" + #ifndef TRAP_HWBKPT #define TRAP_HWBKPT 0x0004 #endif @@ -102,6 +104,16 @@ public: override; struct gdbarch *thread_architecture (ptid_t) override; + + bool supports_memory_tagging () override; + + /* Read memory allocation tags from memory via PTRACE. */ + int fetch_memtags (CORE_ADDR address, size_t len, + gdb::byte_vector &tags) override; + + /* Write allocation tags to memory via PTRACE. */ + int store_memtags (CORE_ADDR address, size_t len, + const gdb::byte_vector &tags) override; }; static aarch64_linux_nat_target the_aarch64_linux_nat_target; @@ -1011,6 +1023,36 @@ aarch64_linux_nat_target::thread_architecture (ptid_t ptid) return gdbarch_find_by_info (info); } +/* Implement the "supports_memory_tagging" target_ops method. */ + +bool +aarch64_linux_nat_target::supports_memory_tagging () +{ + return (linux_get_hwcap2 (this) & HWCAP2_MTE) != 0; +} + +/* Implement the "fetch_memtags" target_ops method. */ + +int +aarch64_linux_nat_target::fetch_memtags (CORE_ADDR address, size_t len, + gdb::byte_vector &tags) +{ + int tid = inferior_ptid.lwp (); + + return aarch64_mte_fetch_memtags (tid, address, len, tags); +} + +/* Implement the "store_memtags" target_ops method. */ + +int +aarch64_linux_nat_target::store_memtags (CORE_ADDR address, size_t len, + const gdb::byte_vector &tags) +{ + int tid = inferior_ptid.lwp (); + + return aarch64_mte_store_memtags (tid, address, len, tags); +} + /* Define AArch64 maintenance commands. */ static void |