diff options
Diffstat (limited to 'gcc-4.6/libstdc++-v3/libsupc++')
-rw-r--r-- | gcc-4.6/libstdc++-v3/libsupc++/eh_arm.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc-4.6/libstdc++-v3/libsupc++/eh_arm.cc b/gcc-4.6/libstdc++-v3/libsupc++/eh_arm.cc index f0acb705e..0112d6197 100644 --- a/gcc-4.6/libstdc++-v3/libsupc++/eh_arm.cc +++ b/gcc-4.6/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, pointer to a variable containing a // pointer to the exception object THROWN_PTR_P and a type CATCH_TYPE to @@ -179,4 +189,6 @@ asm (" .pushsection .text.__cxa_end_cleanup\n" " .popsection\n"); #endif +#pragma GCC visibility pop + #endif |