diff options
| author | Andrew Hsieh <andrewhsieh@google.com> | 2013-03-06 18:30:47 +0800 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2013-03-06 18:30:47 +0800 |
| commit | adbc2ae995cc63baadd9bb729196c6b6b3596296 (patch) | |
| tree | 3f77d5baacede2266c9cf37747b027721170381e /gcc-4.4.3 | |
| parent | a60e0bf91066f5cb541494065cc08967fc4d9dbd (diff) | |
| download | toolchain_gcc-adbc2ae995cc63baadd9bb729196c6b6b3596296.tar.gz toolchain_gcc-adbc2ae995cc63baadd9bb729196c6b6b3596296.tar.bz2 toolchain_gcc-adbc2ae995cc63baadd9bb729196c6b6b3596296.zip | |
GCC4.6/4.4.3: Use default visibility for the __cxa functions in eh_arm.cc
See related: 811925038a83c20dad6250957e3082e1039c0c77
Change-Id: Ibafc1a0d77bee2340c5279c4c90f5046b1080425
Diffstat (limited to 'gcc-4.4.3')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc b/gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc index 58997cc17..1ce63bd7a 100644 --- a/gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc +++ b/gcc-4.4.3/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 @@ -175,4 +185,6 @@ asm (".global __cxa_end_cleanup\n" " bl\t_Unwind_Resume @ Never returns\n"); #endif +#pragma GCC visibility pop + #endif |