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head/share/man/man5/elf.5
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.It Dv NT_FREEBSD_FEATURE_CTL Pq Value: 4 | .It Dv NT_FREEBSD_FEATURE_CTL Pq Value: 4 | ||||
Contains a bitmask of mitigations and features to enable: | Contains a bitmask of mitigations and features to enable: | ||||
.Bl -tag -width 4n | .Bl -tag -width 4n | ||||
.It NT_FREEBSD_FCTL_ASLR_DISABLE Pq Value: 0x01 | .It NT_FREEBSD_FCTL_ASLR_DISABLE Pq Value: 0x01 | ||||
Request that address randomization (ASLR) not be performed. | Request that address randomization (ASLR) not be performed. | ||||
See | See | ||||
.Xr security 7 . | .Xr security 7 . | ||||
.It NT_FREEBSD_FCTL_PROTMAX_DISABLE Pq Value: 0x02 | .It NT_FREEBSD_FCTL_PROTMAX_DISABLE Pq Value: 0x02 | ||||
Request that | Request that | ||||
.Xr mmap 2 | .Xr mmap 2 | ||||
calls not set PROT_MAX to the initial value of the | calls not set PROT_MAX to the initial value of the | ||||
.Fa prot | .Fa prot | ||||
argument. | argument. | ||||
.It NT_FREEBSD_FCTL_STKGAP_DISABLE Pq Value: 0x04 | .It NT_FREEBSD_FCTL_STKGAP_DISABLE Pq Value: 0x04 | ||||
Disable stack gap. | Disable stack gap. | ||||
.It NT_FREEBSD_FCTL_WXNEEDED Pq Value: 0x08 | .It NT_FREEBSD_FCTL_WXNEEDED Pq Value: 0x08 | ||||
Indicate that the binary requires mappings that are simultaneously | Indicate that the binary requires mappings that are simultaneously | ||||
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