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7 commits

Author SHA1 Message Date
Dimitry Andric
5ffd83dbcc Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp 
master 2e10b7a39b9, the last commit before the llvmorg-12-init tag, from
which release/11.x was branched.

Note that for now, I rolled back all our local changes to make merging
easier, and I will reapply the still-relevant ones after updating to
11.0.0-rc1.
 2020-07-31 21:22:58 +00:00
Ed Maste
dfd4db9333 lld: Set DF_1_PIE for -pie 
DF_1_PIE originated from Solaris[1].

GNU ld[2] sets the flag on non-Solaris platforms.

It can help distinguish PIE from ET_DYN.
eu-classify from elfutils uses this to recognize PIE[3].

glibc uses this flag to reject dlopen'ing a PIE[4]

[1] https://docs.oracle.com/cd/E36784_01/html/E36857/chapter6-42444.html
[2] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=5fe2850dd96483f176858fd75c098313d5b20bc2
[3] https://sourceware.org/git/?p=elfutils.git;a=commit;h=3f489b5c7c78df6d52f8982f79c36e9a220e8951
[4] https://sourceware.org/bugzilla/show_bug.cgi?id=24323

Discussed with:	dim
Obtained from:	LLVM ee9a251caf1d
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
 2020-06-02 22:57:13 +00:00
Dimitry Andric
92c0d181e5 Merge commit 00925aadb from llvm git (by Fangrui Song): 
[ELF][PPC32] Fix canonical PLTs when the order does not match the PLT order

  Reviewed By: Bdragon28

  Differential Revision: https://reviews.llvm.org/D75394

This is needed to fix miscompiled canonical PLTs on ppc32/lld10.

Requested by:	bdragon
MFC after:	6 weeks
X-MFC-With:	358851
Differential Revision: https://reviews.freebsd.org/D24109
 2020-03-18 20:28:26 +00:00
Dimitry Andric
13138422bc Merge ^/vendor/llvm-project/release-10.x up to its last change (upstream 
commit llvmorg-10.0.0-rc2-0-g90c78073f73), bump versions, and update
build glue.
 2020-02-15 14:58:40 +00:00
Dimitry Andric
480093f444 Merge ^/vendor/lvm-project/master up to its last change (upstream commit 
e26a78e70), and resolve conflicts.
 2020-01-24 22:00:03 +00:00
Dimitry Andric
85868e8a1d Merge ^/vendor/lld/dist up to its last change, and resolve conflicts. 2020-01-23 21:35:51 +00:00
Dimitry Andric
0b57cec536 Move all sources from the llvm project into contrib/llvm-project. 
This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo".  That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.
 2019-12-20 19:53:05 +00:00
Renamed from contrib/llvm/tools/lld/ELF/SyntheticSections.cpp (Browse further)