Urg, forgot to add a file header somehow.
Add missing function comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8236 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/runtime/GCCLibraries/crtend/SJLJ-Exception.cpp b/runtime/GCCLibraries/crtend/SJLJ-Exception.cpp
index fea2d41..8bc13e7 100644
--- a/runtime/GCCLibraries/crtend/SJLJ-Exception.cpp
+++ b/runtime/GCCLibraries/crtend/SJLJ-Exception.cpp
@@ -1,8 +1,16 @@
+//===- SJLJ-Exception.cpp - SetJmp/LongJmp Exception Handling -------------===//
+//
+// This file implements the API used by the Setjmp/Longjmp exception handling
+// runtime library.
+//
+//===----------------------------------------------------------------------===//
#include "SJLJ-Exception.h"
#include <cstdlib>
#include <cassert>
+// get_sjlj_exception - Adjust the llvm_exception pointer to be an appropriate
+// llvm_sjlj_exception pointer.
inline llvm_sjlj_exception *get_sjlj_exception(llvm_exception *E) {
assert(E->ExceptionType == SJLJException);
return (llvm_sjlj_exception*)(E+1) - 1;
@@ -16,6 +24,9 @@
SetJmpMapEntry *Next;
};
+// SJLJDestructor - This function is used to free the exception when
+// language-indent code needs to destroy the exception without knowing exactly
+// what type it is.
static void SJLJDestructor(llvm_exception *E) {
free(get_sjlj_exception(E));
}