From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Thu, 7 Mar 2024 17:28:00 -0500 Subject: lib: Add mlibc Signed-off-by: Ian Moffett --- lib/mlibc/options/internal/gcc-extra/cxxabi.cpp | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 lib/mlibc/options/internal/gcc-extra/cxxabi.cpp (limited to 'lib/mlibc/options/internal/gcc-extra') diff --git a/lib/mlibc/options/internal/gcc-extra/cxxabi.cpp b/lib/mlibc/options/internal/gcc-extra/cxxabi.cpp new file mode 100644 index 0000000..c5bd92f --- /dev/null +++ b/lib/mlibc/options/internal/gcc-extra/cxxabi.cpp @@ -0,0 +1,20 @@ + +#include + +// The cxxabi needs operator delete for *deleting* destructors, i.e., destructors that +// are called by delete expressions. We never use such expressions in mlibc. +// Note that G++ complains if we make the operator hidden, +// thus we use it's mangled name as a workaround. +#if defined(__clang__) + extern "C" [[gnu::visibility("hidden")]] void _ZdlPv() { // operator delete (void *, size_t) + __ensure(!"operator delete called! delete expressions cannot be used in mlibc."); + } +#else + extern "C" [[gnu::visibility("hidden")]] void _ZdlPvj() { // operator delete (void *, unsigned int) + __ensure(!"operator delete called! delete expressions cannot be used in mlibc."); + } + + extern "C" [[gnu::visibility("hidden")]] void _ZdlPvm() { // operator delete (void *, size_t) + __ensure(!"operator delete called! delete expressions cannot be used in mlibc."); + } +#endif \ No newline at end of file -- cgit v1.2.3