Add NT_FREEBSD_FEATURE_CTL ELF note to csu
This note will be used to allow binaries to opt out of, or in to, upcoming vulnerability mitigation and other features. It is not yet connected but being added now to facilitate testing and ensure compatibility with existing kernels and tools. Reviewed by: brooks, jhb, kib, markj Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D17438
This commit is contained in:
parent
c7dc361d6f
commit
bbce18b8d1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=340701
@ -67,3 +67,18 @@ static const struct {
|
|||||||
.name = NOTE_FREEBSD_VENDOR,
|
.name = NOTE_FREEBSD_VENDOR,
|
||||||
.desc = __FreeBSD_version
|
.desc = __FreeBSD_version
|
||||||
};
|
};
|
||||||
|
|
||||||
|
static const struct {
|
||||||
|
int32_t namesz;
|
||||||
|
int32_t descsz;
|
||||||
|
int32_t type;
|
||||||
|
char name[sizeof(NOTE_FREEBSD_VENDOR)];
|
||||||
|
uint32_t desc[1];
|
||||||
|
} crt_feature_ctl __attribute__ ((section (NOTE_SECTION),
|
||||||
|
aligned(4))) __used = {
|
||||||
|
.namesz = sizeof(NOTE_FREEBSD_VENDOR),
|
||||||
|
.descsz = sizeof(uint32_t),
|
||||||
|
.type = NT_FREEBSD_FEATURE_CTL,
|
||||||
|
.name = NOTE_FREEBSD_VENDOR,
|
||||||
|
.desc = { 0 }
|
||||||
|
};
|
||||||
|
Loading…
Reference in New Issue
Block a user