D8869.id23140.diff
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

D8869.id23140.diff
View Options

	Index: contrib/llvm/projects/libunwind/src/UnwindLevel1-gcc-ext.c
	===================================================================
	--- contrib/llvm/projects/libunwind/src/UnwindLevel1-gcc-ext.c
	+++ contrib/llvm/projects/libunwind/src/UnwindLevel1-gcc-ext.c
	@@ -224,6 +224,44 @@

	#if _LIBUNWIND_SUPPORT_DWARF_UNWIND

	+#ifdef __FreeBSD__
	+
	+static void processFDE(const char *addr, bool isDeregister) {
	+ uint64_t length;
	+ while ((length = ((const uint32_t )addr)) != 0) {
	+ const char *p = addr + 4;
	+ if (length = 0xffffffff) {
	+ length = ((const uint64_t )p);
	+ p += 8;
	+ }
	+ uint32_t offset = ((const uint32_t )p);
	+ if (offset != 0) {
	+ if (isDeregister)
	+ _unw_remove_dynamic_fde((unw_word_t)(uintptr_t)addr)
	+ else
	+ _unw_add_dynamic_fde((unw_word_t)(uintptr_t)addr);
	+ }
	+ addr = p + length;
	+ }
	+}
	+
	+/// Called by programs with dynamic code generators that want
	+/// to register dynamically generated FDEs.
	+_LIBUNWIND_EXPORT void __register_frame(const void *addr) {
	+ _LIBUNWIND_TRACE_API("__register_frame(%p)", fde);
	+ processFDE(addr, false);
	+}
	+
	+/// Called by programs with dynamic code generators that want
	+/// to unregister dynamically generated FDEs.
	+_LIBUNWIND_EXPORT void __deregister_frame(const void *fde) {
	+ _LIBUNWIND_TRACE_API("__deregister_frame(%p)", fde);
	+ processFDE(addr, true);
	+}
	+
	+
	+#else
	+
	/// Called by programs with dynamic code generators that want
	/// to register a dynamically generated FDE.
	/// This function has existed on Mac OS X since 10.4, but