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4 Commits

Author SHA1 Message Date
Rafael Espindola 993f0273e3 Fix some confusion about what can be preempted. 
For shared libraries we allow any weak undefined symbol to eventually be
resolved, even if we never see a definition in another .so. This matches
the behavior when handling other undefined symbols in a shared library.

For executables, we require seeing a definition in a .so or resolve it
to zero. This is also similar to how non weak symbols are handled.

llvm-svn: 262017
 2016-02-26 14:27:47 +00:00
Rafael Espindola 97cbe3e39c Place RW sections that go after relro to another memory page. 
Before this patch sections that go after relro sequence were placed at
the same memory page with relro ones. It caused segmentation fault on
freebsd.

Fixes PR25790.

Patch by George Rimar with some tweaks by myself.

llvm-svn: 256334
 2015-12-23 15:20:38 +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
Igor Kudrin db7de9f590 [ELF2/AArch64] Add lazy relocation support for AArch64. 
Differential Revision: http://reviews.llvm.org/D14749

llvm-svn: 253352
 2015-11-17 18:01:30 +00:00