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| author | Ed Maste <emaste@FreeBSD.org> | 2020-03-04 18:21:30 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2020-03-04 18:21:30 +0000 |
| commit | d06e23f9d9dd0d5a4c205d7a0e6413c5d998a390 (patch) | |
| tree | 6938b3519b4ebcc30da1fbbf2ad8770f9eb2dd48 /usr.bin/elfctl | |
| parent | ac09be5297d44b9359d7cfc111951621394132e3 (diff) | |
| download | src-test-d06e23f9d9dd0d5a4c205d7a0e6413c5d998a390.tar.gz src-test-d06e23f9d9dd0d5a4c205d7a0e6413c5d998a390.zip | |
Reserve WXNEEDED ELF feature control flag
This will be used to tag binaries that require W+X mappings, in advance
of the ability to prevent W^X in mmap/mprotect.
There is still some discussion about the flag's name, but the ABI won't
change even if the name does (as kib pointed out in the review).
Reviewed by: csjp, kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23909
Notes
Notes:
svn path=/head/; revision=358631
Diffstat (limited to 'usr.bin/elfctl')
| -rw-r--r-- | usr.bin/elfctl/elfctl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/usr.bin/elfctl/elfctl.c b/usr.bin/elfctl/elfctl.c index 2f8df69c08f1f..bd8bac1280ac7 100644 --- a/usr.bin/elfctl/elfctl.c +++ b/usr.bin/elfctl/elfctl.c @@ -66,6 +66,7 @@ static struct ControlFeatures featurelist[] = { { "protmax", NT_FREEBSD_FCTL_PROTMAX_DISABLE, "Disable implicit PROT_MAX" }, { "stackgap", NT_FREEBSD_FCTL_STKGAP_DISABLE, "Disable stack gap" }, + { "wxneeded", NT_FREEBSD_FCTL_WXNEEDED, "Requires W+X mappings" }, }; static struct option long_opts[] = { |