diff options
Diffstat (limited to 'ld/emultempl/aarch64elf.em')
| -rw-r--r-- | ld/emultempl/aarch64elf.em | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/ld/emultempl/aarch64elf.em b/ld/emultempl/aarch64elf.em index d7e4eb7..91d58d8 100644 --- a/ld/emultempl/aarch64elf.em +++ b/ld/emultempl/aarch64elf.em @@ -44,6 +44,7 @@ static aarch64_protection_opts sw_protections = { static aarch64_memtag_opts memtag_opts = { .memtag_mode = AARCH64_MEMTAG_MODE_NONE, + .memtag_stack = 0, }; #define COMPILE_TIME_STRLEN(s) \ @@ -447,22 +448,22 @@ aarch64_parse_gcs_option (const char *_optarg) } static bool -aarch64_parse_memtag_mode_option (const char *optarg) +aarch64_parse_memtag_mode_option (const char *_optarg) { #define MEMTAG_MODE "memtag-mode" #define MEMTAG_MODE_LEN COMPILE_TIME_STRLEN (MEMTAG_MODE) - if (strncmp (optarg, MEMTAG_MODE, MEMTAG_MODE_LEN) != 0) + if (strncmp (_optarg, MEMTAG_MODE, MEMTAG_MODE_LEN) != 0) return false; - if (strcmp (optarg + MEMTAG_MODE_LEN, "=none") == 0) + if (strcmp (_optarg + MEMTAG_MODE_LEN, "=none") == 0) memtag_opts.memtag_mode = AARCH64_MEMTAG_MODE_NONE; - else if (strcmp (optarg + MEMTAG_MODE_LEN, "=sync") == 0) + else if (strcmp (_optarg + MEMTAG_MODE_LEN, "=sync") == 0) memtag_opts.memtag_mode = AARCH64_MEMTAG_MODE_SYNC; - else if (strcmp (optarg + MEMTAG_MODE_LEN, "=async") == 0) + else if (strcmp (_optarg + MEMTAG_MODE_LEN, "=async") == 0) memtag_opts.memtag_mode = AARCH64_MEMTAG_MODE_ASYNC; else - einfo (_("%X%P: error: unrecognized value '-z %s'\n"), optarg); + einfo (_("%X%P: error: unrecognized value '-z %s'\n"), _optarg); return true; @@ -557,6 +558,8 @@ PARSE_AND_LIST_OPTIONS=' sync: Enable precise exceptions when mismatched address and\n\ allocation tags detected on load/store operations.\n\ async: Enable imprecise exceptions.\n")); + fprintf (file, _("\ + -z memtag-stack Mark program stack with MTE protection.\n")); ' PARSE_AND_LIST_ARGS_CASE_Z_AARCH64=' @@ -574,6 +577,8 @@ PARSE_AND_LIST_ARGS_CASE_Z_AARCH64=' {} else if (aarch64_parse_memtag_mode_option (optarg)) {} + else if (strcmp (optarg, "memtag-stack") == 0) + memtag_opts.memtag_stack = 1; ' PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_AARCH64" |