Chapter 12. Program Header
In addition to the Segment Types defined in the
System V ABI
System V ABI Update
the following Segment Types shall also be supported.
Table 12-1. Linux Segment Types
The array element specifies the location and size of the exception handling
information as defined by the .eh_frame_hdr section.
p_flags member specifies the permissions on the segment containing the stack
and is used to indicate wether the stack should be executable. The absense of
this header indicates that the stack will be executable.