diff options
Diffstat (limited to 'gdb/arch/aarch64-mte-linux.h')
| -rw-r--r-- | gdb/arch/aarch64-mte-linux.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gdb/arch/aarch64-mte-linux.h b/gdb/arch/aarch64-mte-linux.h index 88bd8d0..f517638 100644 --- a/gdb/arch/aarch64-mte-linux.h +++ b/gdb/arch/aarch64-mte-linux.h @@ -32,6 +32,8 @@ /* We have one tag per 16 bytes of memory. */ #define AARCH64_MTE_GRANULE_SIZE 16 +#define AARCH64_MTE_LOGICAL_TAG_START_BIT 56 +#define AARCH64_MTE_LOGICAL_MAX_VALUE 0xf /* Memory tag types for AArch64. */ enum class aarch64_memtag_type @@ -47,4 +49,20 @@ enum class aarch64_memtag_type extern size_t aarch64_mte_get_tag_granules (CORE_ADDR addr, size_t len, size_t granule_size); +/* Return the 4-bit tag made from VALUE. */ +extern CORE_ADDR aarch64_mte_make_ltag_bits (CORE_ADDR value); + +/* Return the 4-bit tag that can be OR-ed to an address. */ +extern CORE_ADDR aarch64_mte_make_ltag (CORE_ADDR value); + +/* Helper to set the logical TAG for a 64-bit ADDRESS. + + It is always possible to set the logical tag. */ +extern CORE_ADDR aarch64_mte_set_ltag (CORE_ADDR address, CORE_ADDR tag); + +/* Helper to get the logical tag from a 64-bit ADDRESS. + + It is always possible to get the logical tag. */ +extern CORE_ADDR aarch64_mte_get_ltag (CORE_ADDR address); + #endif /* ARCH_AARCH64_LINUX_H */ |