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Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx')
-rw-r--r--bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx11
1 files changed, 9 insertions, 2 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx
index ebde9821eab2..7dbf0022e963 100644
--- a/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx
+++ b/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx
@@ -30,6 +30,7 @@
#include <stdio.h>
#include <string.h>
+#include <typeinfo>
using namespace com::sun::star::uno;
@@ -616,7 +617,7 @@ void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *bpt
#endif
}
-struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
+struct bridges::cpp_uno::shared::VtableFactory::Slot { void const * fn; };
bridges::cpp_uno::shared::VtableFactory::Slot *
bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
@@ -631,6 +632,12 @@ std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize(
return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
}
+namespace {
+// Some dummy type whose RTTI is used in the synthesized proxy vtables to make uses of dynamic_cast
+// on such proxy objects not crash:
+struct ProxyRtti {};
+}
+
bridges::cpp_uno::shared::VtableFactory::Slot *
bridges::cpp_uno::shared::VtableFactory::initializeBlock(
void * block, sal_Int32 slotCount, sal_Int32,
@@ -638,7 +645,7 @@ bridges::cpp_uno::shared::VtableFactory::initializeBlock(
{
Slot * slots = mapBlockToVtable(block);
slots[-2].fn = 0; //null
- slots[-1].fn = 0; //destructor
+ slots[-1].fn = &typeid(ProxyRtti);
return slots + slotCount;
}