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| author | Ed Maste <emaste@freebsd.org> | 2015-08-13 14:21:03 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@freebsd.org> | 2015-08-13 14:21:03 +0000 |
| commit | 40377de0186cf63e7024b535d56d6f740cb8fc83 (patch) | |
| tree | aa8b056ee8003db7909c86511db839d325e9b4ff | |
| parent | 632aa38f313c507ce3aec732dc2a6d2259502731 (diff) | |
| download | libunwind_llvm-40377de0186cf63e7024b535d56d6f740cb8fc83.tar.gz | |
Enable zero-cost exceptions on non-Apple arm64 platforms
Use the canonical __aarch64__ predefined macro for 64-bit ARM. Apple-
specific cases are left as __arm64__. Also add an #error for unsupported
architectures to catch this sort of case in the future.
Differential Revision: http://reviews.llvm.org/D12005
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@244893 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | src/config.h | 3 | ||||
| -rw-r--r-- | src/libunwind.cpp | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/config.h b/src/config.h index c9ec087..9b24634 100644 --- a/src/config.h +++ b/src/config.h @@ -72,7 +72,8 @@ #define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \ defined(__x86_64__) || \ - defined(__arm__)) + defined(__arm__) || \ + defined(__aarch64__)) #define _LIBUNWIND_BUILD_SJLJ_APIS 0 #define _LIBUNWIND_SUPPORT_FRAME_APIS (defined(__i386__) || \ defined(__x86_64__)) diff --git a/src/libunwind.cpp b/src/libunwind.cpp index 9a16e48..c408e06 100644 --- a/src/libunwind.cpp +++ b/src/libunwind.cpp @@ -58,12 +58,14 @@ _LIBUNWIND_EXPORT int unw_init_local(unw_cursor_t *cursor, #elif defined(__ppc__) new ((void *)cursor) UnwindCursor<LocalAddressSpace, Registers_ppc>( context, LocalAddressSpace::sThisAddressSpace); -#elif defined(__arm64__) +#elif defined(__arm64__) || defined(__aarch64__) new ((void *)cursor) UnwindCursor<LocalAddressSpace, Registers_arm64>( context, LocalAddressSpace::sThisAddressSpace); #elif _LIBUNWIND_ARM_EHABI new ((void *)cursor) UnwindCursor<LocalAddressSpace, Registers_arm>( context, LocalAddressSpace::sThisAddressSpace); +#else +#error Architecture not supported #endif AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor; co->setInfoBasedOnIPRegister(); |