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Sylvestre Ledru ea4b28cda6 Add a linker script to version LLVM symbols 
Summary:
This patch adds a very simple linker script to version the lib's symbols
and thus trying to avoid crashes if an application loads two different
LLVM versions (as long as they do not share data between them).

Note that we deliberately *don't* make LLVM_5.0 depend on LLVM_4.0:
they're incompatible and the whole point of this patch is
to tell the linker that.


Avoid unexpected crashes when two LLVM versions are used in the same process.

Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
Author: Lisandro Damían Nicanor Pérez Meyer <lisandro@debian.org>
Author: Sylvestre Ledru <sylvestre@debian.org>
Bug-Debian:  https://bugs.debian.org/848368


Reviewers: beanz, rnk

Reviewed By: rnk

Subscribers: mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D31524

llvm-svn: 300496
2017-04-17 20:51:50 +00:00
..
bugpoint [Bugpoint] Use boolean AND instead of bitwise AND (PR32660) 2017-04-14 15:21:15 +00:00
bugpoint-passes [CMake] bugpoint-passes depends on intrinsics_gen 2016-11-19 02:20:59 +00:00
dsymutil Spelling mistakes in comments. NFCI. 2017-03-30 12:59:53 +00:00
gold Re-apply r299168 and r299169 now that the libdeps are fixed. 2017-03-31 04:47:07 +00:00
llc Revert "Feature generic option to setup start/stop-after/before" 2017-04-01 01:26:24 +00:00
lli Module::getOrInsertFunction is using C-style vararg instead of variadic templates. 2017-04-11 15:01:18 +00:00
llvm-ar [llvm-ar] Remove unneeded std::, NFCI. 2017-04-05 15:05:05 +00:00
llvm-as [CMake] llvm-as depends on intrinsics_gen 2016-11-19 02:15:04 +00:00
llvm-as-fuzzer Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
llvm-bcanalyzer Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
llvm-c-test Spelling mistakes in comments. NFCI. 2017-03-30 12:59:53 +00:00
llvm-cat Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
llvm-config [CMake] Use variable interpolation instead of string concatenation 2017-03-22 12:06:11 +00:00
llvm-cov [ProfileData] Unify getInstrProf*SectionName helpers 2017-04-15 00:09:57 +00:00
llvm-cxxdump Make the Error class constructor protected 2016-11-11 04:28:40 +00:00
llvm-cxxfilt c++filt: support COFF import thunks 2017-03-22 21:15:19 +00:00
llvm-diff [IR] Redesign the case iterator in SwitchInst to actually be an iterator 2017-04-12 07:27:28 +00:00
llvm-dis [CMake] llvm-dis depends on intrinsics_gen 2016-11-19 02:31:14 +00:00
llvm-dwarfdump Fix a bugs with using some Mach-O command line flags like "-arch armv7m". 2016-12-16 22:54:02 +00:00
llvm-dwp [llvm-dwp] - Reuse object::Decompressor class 2017-01-13 15:58:55 +00:00
llvm-extract [llvm-extract] Add option for recursive extraction 2017-04-06 20:51:40 +00:00
llvm-go [llvm-go] parameterize $GOPATH construction 2016-07-27 03:21:51 +00:00
llvm-jitlistener Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-link Remove unused lambda capture 2017-03-13 21:46:14 +00:00
llvm-lto Add support for -fno-builtin to LTO and ThinLTO to libLTO 2017-03-28 18:55:44 +00:00
llvm-lto2 Object, LTO: Add target triple to irsymtab and LTO API. 2017-04-14 02:55:06 +00:00
llvm-mc [DWARFv5] llvm-mc support for new unit header. 2017-02-28 23:40:46 +00:00
llvm-mc-assemble-fuzzer llvm-mc-fuzzer: add support for assembly 2017-02-27 06:22:17 +00:00
llvm-mc-disassemble-fuzzer llvm-mc-fuzzer: add support for assembly 2017-02-27 06:22:17 +00:00
llvm-mcmarkup Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-modextract Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
llvm-nm [WebAssembly] Improve readobj and nm support for wasm 2017-04-14 19:50:44 +00:00
llvm-objdump Add the rest of the error checking for Mach-O dyld compact bind entry errors 2017-03-20 19:46:55 +00:00
llvm-opt-report [llvm-opt-report] Fix context-sensitive lines where nothing happened 2017-01-07 20:21:17 +00:00
llvm-pdbdump [llvm-pdbdump] Recursively dump class layout. 2017-04-13 21:11:00 +00:00
llvm-profdata Resubmit r297897: [PGO] Value profile for size of memory intrinsic calls 2017-03-16 21:15:48 +00:00
llvm-readobj [WebAssembly] Improve readobj and nm support for wasm 2017-04-14 19:50:44 +00:00
llvm-rtdyld Apply clang-tidy's 'performance-faster-string-find' check to LLVM. 2016-11-30 10:01:11 +00:00
llvm-shlib Add a linker script to version LLVM symbols 2017-04-17 20:51:50 +00:00
llvm-size llvm-size: remove leading dash in '-radix' option 2016-12-23 23:55:08 +00:00
llvm-split [CMake] llvm-split depends on intrinsics_gen 2016-11-18 23:20:38 +00:00
llvm-stress Allow DataLayout to specify addrspace for allocas. 2017-04-10 22:27:50 +00:00
llvm-strings llvm-strings: remove default for -Wcovered-switch-default 2017-01-21 02:52:29 +00:00
llvm-symbolizer Add a verbose/human readable mode to llvm-symbolizer to investigate discriminators and other line table/backtrace features 2017-01-31 22:19:38 +00:00
llvm-xray [XRay][tools] Remove some assertions in llvm-xray graph 2017-03-31 01:56:45 +00:00
lto Spelling mistakes in comments. NFCI. 2017-03-30 12:59:53 +00:00
msbuild Create msbuild only when using MSVC 2017-03-16 20:24:14 +00:00
obj2yaml [WebAssembly] Improve support for WebAssembly binary format 2017-03-30 19:44:09 +00:00
opt [ThinLTO] Add support for emitting minimized bitcode for thin link 2017-03-23 19:47:39 +00:00
sancov [sancov] Fix broken links and displaced coloring in coverage-report-server.py 2017-03-20 14:06:04 +00:00
sanstats [CMake] sanstats depends on intrinsics_gen 2016-11-18 23:30:39 +00:00
verify-uselistorder [CMake] verify-uselistorder depends on intrinsics_gen 2016-11-18 23:30:58 +00:00
xcode-toolchain [CMake] Minor fix to regex in r279152 2016-08-18 21:36:36 +00:00
yaml2obj [yaml2obj] Factor out error handling code. 2017-04-05 15:18:16 +00:00
CMakeLists.txt Fixup r271533, or check-clang didn't find llvm-lto as the target. 2016-06-02 20:39:24 +00:00
LLVMBuild.txt Add llvm-modextract tool. 2016-11-29 21:54:33 +00:00