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| author | Ben Cheng <bccheng@google.com> | 2014-04-14 20:26:44 -0700 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2014-04-22 16:15:33 -0700 |
| commit | 42bf51abe03e8701b12b3c0ecba898d0f7fe625d (patch) | |
| tree | 346542583df6aa08ef8746b5739b98e298bccfca /gcc-4.9/libstdc++-v3 | |
| parent | 13c4c9692f117e7aef9b5aa58fd8cf452d84f164 (diff) | |
| download | toolchain_gcc-42bf51abe03e8701b12b3c0ecba898d0f7fe625d.tar.gz toolchain_gcc-42bf51abe03e8701b12b3c0ecba898d0f7fe625d.tar.bz2 toolchain_gcc-42bf51abe03e8701b12b3c0ecba898d0f7fe625d.zip | |
[4.9] Use default visibility for the __cxa functions in eh_arm.cc.
See 4e9989f243cd0a5d51f76e6ce98828c7cb6b9246
Change-Id: Icd8571e9e23b5dd23ae52db71019ecc4b5deb8e3
Diffstat (limited to 'gcc-4.9/libstdc++-v3')
| -rw-r--r-- | gcc-4.9/libstdc++-v3/libsupc++/eh_arm.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/libsupc++/eh_arm.cc b/gcc-4.9/libstdc++-v3/libsupc++/eh_arm.cc index aa453dddd..859a7138a 100644 --- a/gcc-4.9/libstdc++-v3/libsupc++/eh_arm.cc +++ b/gcc-4.9/libstdc++-v3/libsupc++/eh_arm.cc @@ -29,6 +29,16 @@ using namespace __cxxabiv1; +// The GCC command-line option "-fvisibility=hidden" apparently fails to hide +// the visibility of the inline assembly function "__cxa_end_cleanup". +// We need to keep the visibility of the __cxa_* functions coherent otherwise +// linking eh_arm.o to resolve __cxa_end_cleanup (eg needed by -frtti +// -fexceptions) will disappoint the linker by exposing __cxa_type_match and +// __cxa_begin_cleanup (eg needed by __aeabi_idiv from libgcc.a). +// Therefore as a simple workaround we just force the visibility to default for +// all these __cxa functions in this module. + +#pragma GCC visibility push(default) // Given the thrown type THROW_TYPE, exception object UE_HEADER and a // type CATCH_TYPE to compare against, return whether or not there is @@ -224,4 +234,6 @@ asm (" .pushsection .text.__cxa_end_cleanup\n" #endif #endif +#pragma GCC visibility pop + #endif |