Commit Graph

3 Commits

Author SHA1 Message Date
Eugene Leviant ce30b1c78e [ELF] Choose default segment when it is not specified
Linker scripts may specify PHDRS, but not specify section to
segment assignments, i.e:

PHDRS { seg PT_LOAD; }
SECTIONS { 
  .sec1 {} : seg
  .sec2 {} 
}

In such case linker should still choose some segment for .sec2 section.
This patch will add .sec2 to previously opened segments (seg) or to the 
very first PT_LOAD segment, if no section-to-segment assignments has been
made

Differential revision: https://reviews.llvm.org/D24795

llvm-svn: 284600
2016-10-19 15:04:49 +00:00
George Rimar 9f578ceed7 [ELF] - Update testcases after llvm change.
llvm-svn: 284474
2016-10-18 11:11:03 +00:00
George Rimar 270173f2db [ELF] - Added support of PT_OPENBSD_RANDOMIZE
This is 30646.

PT_OPENBSD_RANDOMIZE
The array element specifies the location and size of a part of the memory image of the program that must be filled with random data before any code in the object is executed. The memory region specified by a segment of this type may overlap the region specified by a PT_GNU_RELRO segment, in which case the intersection will be filled with random data before being marked read-only.

Reference links:
http://man.openbsd.org/OpenBSD-current/man5/elf.5
c494713c45

Differential revision: https://reviews.llvm.org/D25469

llvm-svn: 284234
2016-10-14 13:02:22 +00:00