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Diffstat (limited to 'gdb/arch/aarch64-mte-linux.h')
-rw-r--r--gdb/arch/aarch64-mte-linux.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/gdb/arch/aarch64-mte-linux.h b/gdb/arch/aarch64-mte-linux.h
index fed91bb..0771ef7 100644
--- a/gdb/arch/aarch64-mte-linux.h
+++ b/gdb/arch/aarch64-mte-linux.h
@@ -32,6 +32,7 @@
/* We have one tag per 16 bytes of memory. */
#define AARCH64_MTE_GRANULE_SIZE 16
+#define AARCH64_MTE_TAG_BIT_SIZE 4
#define AARCH64_MTE_LOGICAL_TAG_START_BIT 56
#define AARCH64_MTE_LOGICAL_MAX_VALUE 0xf
@@ -71,4 +72,13 @@ extern CORE_ADDR aarch64_mte_set_ltag (CORE_ADDR address, CORE_ADDR tag);
It is always possible to get the logical tag. */
extern CORE_ADDR aarch64_mte_get_ltag (CORE_ADDR address);
+/* Given a TAGS vector containing 1 MTE tag per byte, pack the data as
+ 2 tags per byte and resize the vector. */
+extern void aarch64_mte_pack_tags (gdb::byte_vector &tags);
+
+/* Given a TAGS vector containing 2 MTE tags per byte, unpack the data as
+ 1 tag per byte and resize the vector. If SKIP_FIRST is TRUE, skip the
+ first unpacked element. Otherwise leave it in the unpacked vector. */
+extern void aarch64_mte_unpack_tags (gdb::byte_vector &tags, bool skip_first);
+
#endif /* ARCH_AARCH64_MTE_LINUX_H */