[PATCH] D49143: Fix a typo/regression in r335495.

bsdjhb updated this revision to Diff 154840. bsdjhb added a comment. Add tests. Repository: rC Clang https://reviews.llvm.org/D49143 Files: lib/Driver/ToolChains/FreeBSD.cpp test/Driver/fsanitize.c Index: test/Driver/fsanitize.c =

[PATCH] D49143: Fix a typo/regression in r335495.

bsdjhb added a comment. AFAICT, I don't see a way to ask clang "which sanitizers are supported by this target". Hmm, the CHECK-SANL-MIPS test in tests/Driver/fsanitize.c seems like the closest match. Repository: rC Clang https://reviews.llvm.org/D49143 __

[PATCH] D49143: Fix a typo/regression in r335495.

bsdjhb created this revision. bsdjhb added a reviewer: arichardson. Herald added subscribers: atanasyan, krytarowski, sdardis, emaste. Use getTriple.isMIPS64() to detect 64-bit MIPS ABIs in FreeBSD::getSupportedSanitizers() instead of getTriple.isMIPS32(). Repository: rC Clang https://reviews

[PATCH] D47814: Teach libc++ to use native NetBSD's max_align_t

bsdjhb added a comment. FWIW, for FreeBSD I defined __CLANG_MAX_ALIGN_T and _GCC_MAX_ALIGN_T in FreeBSD's when defining the typedef to handle this. Repository: rL LLVM https://reviews.llvm.org/D47814 ___ cfe-commits mailing list cfe-commits@lis

[PATCH] D24867: Request init/fini array on FreeBSD 12 and later

bsdjhb added a comment. Ping. I'd like this to go in and get merged into FreeBSD's clang so we can test this for a few months before 12.0 branches. https://reviews.llvm.org/D24867 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://list

[PATCH] D48507: [mips] Explicitly specify the linker emulation for MIPS on FreeBSD.

bsdjhb updated this revision to Diff 152955. bsdjhb added a comment. - Add N32EL. Repository: rC Clang https://reviews.llvm.org/D48507 Files: lib/Driver/ToolChains/FreeBSD.cpp test/Driver/freebsd.c Index: test/Driver/freebsd.c ===

[PATCH] D48507: [mips] Explicitly specify the linker emulation for MIPS on FreeBSD.

bsdjhb added inline comments. Comment at: lib/Driver/ToolChains/FreeBSD.cpp:197 +CmdArgs.push_back("-m"); +CmdArgs.push_back("elf64ltsmip_fbsd"); +break; atanasyan wrote: > Does it make a sense to handle N32 ABI case here? For whatever reason, FreeBSD

[PATCH] D48507: [mips] Explicitly specify the linker emulation for MIPS on FreeBSD.

bsdjhb created this revision. bsdjhb added a reviewer: dim. Herald added subscribers: atanasyan, krytarowski, arichardson, sdardis. FreeBSD's mips64 builds O32 binaries for /usr/lib32 by default and thus needs to be able to link O32 binaries which requires an explicit linker emulation. Go ahead a

[PATCH] D48499: [mips] Use more conservative default CPUs for MIPS on FreeBSD.

bsdjhb created this revision. bsdjhb added a reviewer: dim. Herald added subscribers: atanasyan, krytarowski, arichardson. FreeBSD defaults to mips3 for all MIPS ABIs with GCC as that is the minimum MIPS architecture FreeBSD supports. Use mips3 for MIPS64 and mips2 for MIPS32 to match. Reposito

[PATCH] D44604: Make stdarg.h compatible with FreeBSD

bsdjhb added a comment. FWIW, I ended up fixing FreeBSD to only use in freestanding environments and always use in userland which makes this patch no longer necessary. (Only one place needed to be fixed.) Repository: rC Clang https://reviews.llvm.org/D44604 ___

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb added a comment. Ping @sdardis @compnerd Repository: rUNW libunwind https://reviews.llvm.org/D41968 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb added a comment. @sdardis ping. I think the approach I've used for O32 is probably the right one in that it matches what DWARF expects (DWARF doesn't treat the 32-bit floating point registers as pairs but as individual registers). I think the question is if I O32 with 32-bit FP registe

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb marked 2 inline comments as done. bsdjhb added a comment. This version follows the suggestion I made earlier of treating 32-bit floating point registers as a "plain" register for O32 rather than a floating-point register. It seems to work for me though for O32 I've only tested with 32-bi

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb updated this revision to Diff 137085. bsdjhb added a comment. - Add a comment about using a single FP layout for O32. - Treat 32-bit floating point registers on O32 as plain registers. Repository: rUNW libunwind https://reviews.llvm.org/D41968 Files: include/__libunwind_config.h i

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb updated this revision to Diff 136164. bsdjhb added a comment. Herald added a subscriber: christof. - Rebase after N32 commit. - Use ldc1/sdc1 rather than l.d and s.d. Repository: rUNW libunwind https://reviews.llvm.org/D41968 Files: include/__libunwind_config.h include/libunwind.h

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb added a comment. Hmmm, so I was somewhat mistaken as DwarfInstructions.hpp::stepWithDwarf() does use the Register class's setFloatRegister(), however, it assumes that the floating point register is always a double (DwarfInstructions.hpp::getSavedFloatRegister() uses AddressSpace::getDoub

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb added a comment. After thinking about this some more, I need to rework this a bit. The choice of how to expose the floating point registers via getFloatingPointRegister / setFloatingPointRegister only affects consumers of the libunwind unw_get_fpreg/unw_set_fpreg. I think a bigger fact

[PATCH] D43585: [libunwind] Permit additional compiler flags to be passed to tests.

bsdjhb updated this revision to Diff 136098. bsdjhb added a comment. - Match names used in libcxx and add LINKER_FLAGS. Repository: rUNW libunwind https://reviews.llvm.org/D43585 Files: CMakeLists.txt test/lit.site.cfg.in Index: test/lit.site.cfg.in

[PATCH] D43585: [libunwind] Permit additional compiler flags to be passed to tests.

bsdjhb updated this revision to Diff 135714. bsdjhb added a comment. - Use STRING instead of PATH. - Update for committed libcxx change. Repository: rUNW libunwind https://reviews.llvm.org/D43585 Files: CMakeLists.txt test/lit.site.cfg.in Index: test/lit.site.cfg.in ===

[PATCH] D43585: [libunwind] Permit additional compiler flags to be passed to tests.

bsdjhb marked 2 inline comments as done. bsdjhb added a comment. My only question is if this should be named LIBUNWIND_TEST_COMPILER_FLAGS to match the name used in libc++? Repository: rUNW libunwind https://reviews.llvm.org/D43585 ___ cfe-commi

[PATCH] D43584: [test] Permit additional CFLAGS for tests to be set via config.test_cflags.

bsdjhb abandoned this revision. bsdjhb added a comment. Obsoleted by https://reviews.llvm.org/rCXX325914. Repository: rCXX libc++ https://reviews.llvm.org/D43584 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bi

[PATCH] D43584: [test] Permit additional CFLAGS for tests to be set via config.test_cflags.

bsdjhb created this revision. bsdjhb added a reviewer: sdardis. Herald added subscribers: cfe-commits, christof. Currently this is only planned to be used by libunwind's tests. Repository: rCXX libc++ https://reviews.llvm.org/D43584 Files: utils/libcxx/test/config.py Index: utils/libcxx/

[PATCH] D43585: [libunwind] Permit additional compiler flags to be passed to tests.

bsdjhb added a comment. @sdardis requested this functionality in the review of https://reviews.llvm.org/D39074. Simon, can you confirm that this works for you in your testing? Repository: rUNW libunwind https://reviews.llvm.org/D43585 ___ cfe-

[PATCH] D43585: [libunwind] Permit additional compiler flags to be passed to tests.

bsdjhb updated this revision to Diff 135285. bsdjhb added a comment. - Unexpand tabs. Repository: rUNW libunwind https://reviews.llvm.org/D43585 Files: CMakeLists.txt test/lit.site.cfg.in Index: test/lit.site.cfg.in === --

[PATCH] D43585: [libunwind] Permit additional compiler flags to be passed to tests.

bsdjhb created this revision. bsdjhb added a reviewer: sdardis. Herald added subscribers: christof, mgorny. This is done via a new LIBUNWIND_TEST_CFLAGS variable. Repository: rUNW libunwind https://reviews.llvm.org/D43585 Files: CMakeLists.txt test/lit.site.cfg.in Index: test/lit.site.

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. Hmmm, I'm a bit lost on the CFLAGS bit. I couldn't find a reference to LIBOMP_TEST_CFLAGS anywhere in the openmp tree. There is a LIBOMP_CFLAGS that doesn't appear to be test specific. To try to find a way to modify the CFLAGS for tests I looked at how LIBUNWIND_BUILD

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb updated this revision to Diff 133660. bsdjhb added a comment. - Rebase. - Rework ABI macro checks. Repository: rUNW libunwind https://reviews.llvm.org/D39074 Files: include/__libunwind_config.h src/AddressSpace.hpp src/DwarfInstructions.hpp src/UnwindRegistersRestore.S src/U

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb marked 7 inline comments as done. bsdjhb added a comment. Nice sleuthing! Repository: rUNW libunwind https://reviews.llvm.org/D39074 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe

[PATCH] D42972: Look for 32-bit libraries in /usr/lib32 for MIPS O32 on FreeBSD.

bsdjhb updated this revision to Diff 10. bsdjhb added a comment. - Add a test case. Repository: rC Clang https://reviews.llvm.org/D42972 Files: lib/Driver/ToolChains/FreeBSD.cpp test/Driver/freebsd.c Index: test/Driver/freebsd.c =

[PATCH] D42972: Look for 32-bit libraries in /usr/lib32 for MIPS O32 on FreeBSD.

bsdjhb created this revision. Herald added subscribers: krytarowski, arichardson, sdardis, emaste. FreeBSD N64 MIPS systems can include 32-bit libraries for O32 in /usr/lib32 similar to the 32-bit compatibility libraries provided for FreeBSD/amd64 and FreeBSD/powerpc64. Repository: rC Clang h

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. @sdardis Can you confirm if the existing N64 bits work fine for you or if the tests crash similarly? https://reviews.llvm.org/D39074 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mail

[PATCH] D42310: Formalize FreeBSD support of compiler rt

bsdjhb added a comment. My only question is if we want an OS version check as the FreeBSD driver does now for libc++ vs libstdc++? FreeBSD started using libcompiler_rt for libgcc.a in 9.0. Repository: rC Clang https://reviews.llvm.org/D42310

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. After fighting with cmake for a bit, I just broke down and cross-compiled the tests by hand and then ran them under a qemu system (rather than using qemu user mode). All of the tests ran fine for me without crashing using GCC 6.3.0 for FreeBSD 12 with N32. Given the sa

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. In https://reviews.llvm.org/D39074#974913, @sdardis wrote: > This was libunwind's test suite: > > Compiled test failed unexpectedly! > > Testing Time: 0.53s > > Failing Tests (1): > libunwind :: libunwind_02.pass.cp

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. To be clear, are you getting the failure running libunwind's test suite or your own test? I've managed to get libunwind to cross-compile for me using GCC 6.3.0 on FreeBSD for O32, N32, and N64, but only to build the library, not the tests. I've been running a simple C+

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb added inline comments. Comment at: src/Registers.hpp:2659 + uint32_t _padding; + double _floats[32]; +#endif I chose to always use double here to avoid having different context sizes for the 32-bit vs 64-bit FPR cases. https://reviews.llvm.org/D41968

[PATCH] D41968: [libunwind][MIPS] Support MIPS floating-point registers for hard-float ABIs.

bsdjhb created this revision. bsdjhb added a reviewer: sdardis. Herald added a subscriber: arichardson. For newabi this is fairly simple as we just save/restore the 32 floating-point registers as doubles. For O32 MIPS provides a variety of floating-point ABIs. For O32 MIPS with 64-bit floating-p

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb updated this revision to Diff 129103. bsdjhb added a comment. - Rebase after N64 -> newabi commit. https://reviews.llvm.org/D39074 Files: include/__libunwind_config.h src/AddressSpace.hpp src/DwarfInstructions.hpp src/UnwindRegistersRestore.S src/UnwindRegistersSave.S src/lib

[PATCH] D41842: [libunwind][MIPS]: Rename Registers_mips_n64 to Registers_mips_newabi.

bsdjhb created this revision. bsdjhb added reviewers: compnerd, sdardis. Herald added a subscriber: arichardson. This is in preparation for adding support for N32 unwinding which reuses the newabi register class. https://reviews.llvm.org/D41842 Files: include/__libunwind_config.h src/Regist

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. Ok, I'm definitely fine with splitting the rename out into a separate patch. Will wait for @sdardis to be sure. https://reviews.llvm.org/D39074 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/c

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb added a comment. ping @sdardis, @compnerd https://reviews.llvm.org/D39074 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb updated this revision to Diff 126841. bsdjhb marked an inline comment as done. bsdjhb added a comment. - Use __SIZEOF_POINTER__ instead of __LP64__. - Adjust comment for newabi register class. https://reviews.llvm.org/D39074 Files: include/__libunwind_config.h src/AddressSpace.hpp

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb marked 2 inline comments as done. bsdjhb added inline comments. Comment at: src/AddressSpace.hpp:201 +inline uint64_t LocalAddressSpace::getRegister(pint_t addr) { +#if defined(__LP64__) || (defined(__mips__) && defined(_ABIN32)) + return get64(addr); com

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb updated this revision to Diff 126620. bsdjhb added a comment. - Rebase after O32/N64 commit. https://reviews.llvm.org/D39074 Files: include/__libunwind_config.h src/AddressSpace.hpp src/DwarfInstructions.hpp src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersRestore.S

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb added a comment. Ping @compnerd, @sdardis https://reviews.llvm.org/D38110 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb added a comment. Ping https://reviews.llvm.org/D38110 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 121396. bsdjhb added a comment. - Rebase. - Update O32 cursor size after unw_word_t change. https://reviews.llvm.org/D38110 Files: include/__libunwind_config.h include/libunwind.h src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersRestore.S

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb added a comment. In https://reviews.llvm.org/D38110#910526, @mstorsjo wrote: > Just a heads up WRT this patch; we're discussing changing the size of > `unw_word_t` to match `uintptr_t` in https://reviews.llvm.org/D39365. Does > that break anything for your case? It shouldn't affect what'

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 120798. bsdjhb marked an inline comment as done. bsdjhb added a comment. - Rebase on more MAX_REGISTER changes. - Use macro for lastDwarfRegisterNumber. - Move MIPS ABI constants under a single #ifdef __mips__. https://reviews.llvm.org/D38110 Files: includ

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb updated this revision to Diff 120624. bsdjhb added a comment. - Rebase after MAX_REGISTER change. https://reviews.llvm.org/D39074 Files: include/__libunwind_config.h src/AddressSpace.hpp src/DwarfInstructions.hpp src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersResto

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 120623. bsdjhb added a comment. - Rebase for recent change to MAX_REGISTER meaning. https://reviews.llvm.org/D38110 Files: include/__libunwind_config.h include/libunwind.h src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersRestore.S src/Un

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb marked 2 inline comments as done. bsdjhb added inline comments. Comment at: include/__libunwind_config.h:62 +# define _LIBUNWIND_CONTEXT_SIZE 35 +# define _LIBUNWIND_CURSOR_SIZE 46 +# define _LIBUNWIND_HIGHEST_DWARF_REGISTER 66 sdardis wrote: > Shouldn'

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb updated this revision to Diff 120578. bsdjhb marked 3 inline comments as done. bsdjhb added a comment. - Use correct #ifdef for N32. - Rename N64 to newabi. https://reviews.llvm.org/D39074 Files: include/__libunwind_config.h src/AddressSpace.hpp src/DwarfInstructions.hpp src/Regi

[PATCH] D39281: [libunwind] Express Registers_*::lastDwarfReg using _LIBUNWIND_HIGHEST_DWARF_REGISTER

bsdjhb added a comment. I think one source of truth is better than two. I do find the constant's value a bit off in general though. That is, the name 'HIGHEST' implies to me that it is the highest value used, not N + 1 as we currently define it. https://reviews.llvm.org/D39281 ___

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb marked an inline comment as done. bsdjhb added a comment. Ping? https://reviews.llvm.org/D38110 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

bsdjhb created this revision. Herald added subscribers: JDevlieghere, arichardson, aprantl. N32 uses the same register context as N64. However, N32 requires one change to properly fetch addresses from registers stored in memory. Since N32 is an ILP32 platform, getP() only fetches the first 32-bit

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb marked 2 inline comments as done. bsdjhb added inline comments. Comment at: src/UnwindRegistersSave.S:100 +# +DEFINE_LIBUNWIND_FUNCTION(unw_getcontext) + .set push sdardis wrote: > After looking at another implementation of libunwind and the other platfor

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 119245. bsdjhb added a comment. - Save all of the general purpose registers. https://reviews.llvm.org/D38110 Files: include/__libunwind_config.h include/libunwind.h src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersRestore.S src/UnwindReg

[PATCH] D38900: libunwind: document tested FreeBSD configs and sort OS list

bsdjhb added a comment. FreeBSD/i386 also uses llvm libunwind by default. https://reviews.llvm.org/D38900 ___ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 118960. bsdjhb added a comment. - Check _ABI* rather than _MIPS_SIM. - Save and restore lo/hi. - Expand FIXME comment for more missing registers. - Return UNW_SUCCESS from unw_getcontext(). - Use correct DWARF numbers for hi and lo and put hi first. - Bump high

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 118638. bsdjhb added a comment. - Add more soft-float checks. https://reviews.llvm.org/D38110 Files: include/__libunwind_config.h include/libunwind.h src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersRestore.S src/UnwindRegistersSave.S

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb added a comment. I keep running into issues trying to cross-build LLVM (it keeps wanting to use /usr/bin/cc or host libraries even though cross-compiling is enabled). I wonder if the failures you saw Simon might be due to https://bugs.llvm.org/show_bug.cgi?id=33858? Could you try apply

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb added a comment. FYI, I was able to do simple testing (C++ programs throwing exceptions) using GCC 6.3 to compile a FreeBSD userland for both O32 and N64. Still working on cross-compiling LLVM so I can run the tests under qemu. https://reviews.llvm.org/D38110 ___

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb marked 14 inline comments as done. bsdjhb added a comment. I have only tested this (test programs as mentioned earlier) with clang 5.0.0 (with a few patches) on o32 and n64. I am in the process of performing the same tests with GCC 6.3.0. I will also spend some time figuring out how to

[PATCH] D38110: [libunwind][MIPS]: Add support for unwinding in O32 and N64 processes.

bsdjhb updated this revision to Diff 117438. bsdjhb added a comment. - Fixes from review feedback. https://reviews.llvm.org/D38110 Files: include/__libunwind_config.h include/libunwind.h src/Registers.hpp src/UnwindCursor.hpp src/UnwindRegistersRestore.S src/UnwindRegistersSave.S