alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-09-20 00:36:01 -04:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

fix(cxx): use __cxa_throw() stub in case exceptions disabled

Browse Source 
Reduces binary size since the linker will drop some code due to --gc-sections.
This commit is contained in:
Alexey Lapshin 2024-04-25 23:44:22 +04:00
parent 1f3f65b40e
commit dcf6b54e94
2 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
components/cxx/CMakeLists.txt
View File

@ -39,7 +39,9 @@ if(NOT CONFIG_CXX_EXCEPTIONS)
_Unwind_Resume_or_Rethrow
_Unwind_Backtrace
__cxa_call_unexpected
__gxx_personality_v0)
__gxx_personality_v0
__cxa_throw
__cxa_allocate_exception)
foreach(wrap ${WRAP_FUNCTIONS})
target_link_libraries(${COMPONENT_LIB} INTERFACE "-Wl,--wrap=${wrap}")

12
components/cxx/cxx_exception_stubs.cpp
View File

@ -185,4 +185,16 @@ extern "C" _Unwind_Reason_Code __wrap___gxx_personality_v0 (int version,
return abort_return<_Unwind_Reason_Code>();
}
// Reduces binary size since the linker will drop some code due to --gc-sections.
extern "C" void __wrap___cxa_allocate_exception(void)
{
abort();
}
// Reduces binary size since the linker will drop some code due to --gc-sections.
extern "C" void __wrap___cxa_throw(void)
{
abort();
}
#endif // CONFIG_COMPILER_CXX_EXCEPTIONS