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Author SHA1 Message Date
George Rimar c191acf097 [ELF] - Implemented -z combrelocs/nocombreloc. 
This is the option which sorts relocs to optimize dynamic linker performance.
-z combelocs is the default in gold, also it ignores -z nocombreloc,
this patch do the same.

Patch sorts relocations by symbols only and do not create any
DT_REL[A]COUNT entries. That is different with what gold/bfd do.

More information about option is here:
http://www.airs.com/blog/archives/186
http://people.redhat.com/jakub/prelink.pdf, p.2

Differential revision: http://reviews.llvm.org/D19528

llvm-svn: 269066
 2016-05-10 15:47:57 +00:00
Ed Maste f5d3cf6270 Add debugger rendezvous DT_DEBUG .dynamic entry 
The runtime linker may store a pointer to a data structure used by
debuggers.

Differential Revision:	http://reviews.llvm.org/D15775

llvm-svn: 256942
 2016-01-06 15:52:27 +00:00
Rafael Espindola 9c8904fb38 Rename ld.lld2 to ld.lld since it is the default. 
llvm-svn: 253437
 2015-11-18 06:11:01 +00:00
Rafael Espindola 4b1285c55a Rename test/elf2 to test/ELF. 
llvm-svn: 253313
 2015-11-17 05:36:42 +00:00