[PATCH 2/3] aarch64: Add NT_ARM_PAC_* regset

[Kuan-Ying Lee]

Add the NT_ARM_PAC_MASK and NT_ARM_PAC_ENABLED_KEYS for aarch64.
Recognize and print the new core item.

Signed-off-by: Kuan-Ying Lee <kuan-ying....@canonical.com>
---
 backends/aarch64_corenote.c  | 24 +++++++++++++++++++++++-
 libebl/eblcorenotetypename.c |  2 ++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/backends/aarch64_corenote.c b/backends/aarch64_corenote.c
index bd0a4a725411..35c8e8012c7b 100644
--- a/backends/aarch64_corenote.c
+++ b/backends/aarch64_corenote.c
@@ -115,6 +115,26 @@ static const Ebl_Core_Item aarch64_mte_items [] =
     }
   };
 
+static const Ebl_Core_Item aarch64_pac_enabled_items [] =
+  {
+    {
+      .name = "enabled_keys", .type = ELF_T_XWORD, .format = 'x',
+      .offset = 0, .group = "register"
+    }
+  };
+
+static const Ebl_Core_Item aarch64_pac_mask_items [] =
+  {
+    {
+      .name = "pauth_dmask", .type = ELF_T_XWORD, .format = 'x',
+      .offset = 0, .group = "register"
+    },
+    {
+      .name = "pauth_cmask", .type = ELF_T_XWORD, .format = 'x',
+      .offset = 8, .group = "register"
+    }
+  };
+
 #define AARCH64_HWBP_REG(KIND, N)                                      \
     {                                                                  \
       .name = "DBG" KIND "VR" #N "_EL1", .type = ELF_T_XWORD, .format = 'x', \
@@ -176,6 +196,8 @@ AARCH64_BP_WP_GROUP ("W", aarch64_hw_wp_items);
   EXTRA_ITEMS (NT_ARM_HW_BREAK, 264, aarch64_hw_bp_items)              \
   EXTRA_ITEMS (NT_ARM_HW_WATCH, 264, aarch64_hw_wp_items)              \
   EXTRA_ITEMS (NT_ARM_SYSTEM_CALL, 4, aarch64_syscall_items) \
-  EXTRA_ITEMS (NT_ARM_TAGGED_ADDR_CTRL, 8, aarch64_mte_items)
+  EXTRA_ITEMS (NT_ARM_TAGGED_ADDR_CTRL, 8, aarch64_mte_items) \
+  EXTRA_ITEMS (NT_ARM_PAC_ENABLED_KEYS, 8, aarch64_pac_enabled_items) \
+  EXTRA_ITEMS (NT_ARM_PAC_MASK, 16, aarch64_pac_mask_items)
 
 #include "linux-core-note.c"
diff --git a/libebl/eblcorenotetypename.c b/libebl/eblcorenotetypename.c
index 49331bdf76e8..3e2f8daa0fd5 100644
--- a/libebl/eblcorenotetypename.c
+++ b/libebl/eblcorenotetypename.c
@@ -93,6 +93,8 @@ ebl_core_note_type_name (Ebl *ebl, uint32_t type, char *buf, 
size_t len)
            KNOWNSTYPE (ARM_HW_WATCH);
            KNOWNSTYPE (ARM_SYSTEM_CALL);
            KNOWNSTYPE (ARM_TAGGED_ADDR_CTRL);
+           KNOWNSTYPE (ARM_PAC_ENABLED_KEYS);
+           KNOWNSTYPE (ARM_PAC_MASK);
            KNOWNSTYPE (SIGINFO);
            KNOWNSTYPE (FILE);
 #undef KNOWNSTYPE
-- 
2.43.0