[llvm-readobj/llvm-readelf] - Don't fail to dump the object if .dynsym has broken sh_link field.

This is https://bugs.llvm.org/show_bug.cgi?id=42215.

GNU readelf allows to dump the objects in that case,
but llvm-readobj/llvm-readelf reports an error and stops.

The patch fixes that.

Differential revision: https://reviews.llvm.org/D63074

llvm-svn: 362938

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 1836e0fd0d7..7bcdd1ef38c 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -378,6 +378,12 @@ void reportWarning(Twine Msg) {
   WithColor::warning(errs()) << Msg << "\n";
 }
 
+void warn(Error Err) {
+  handleAllErrors(std::move(Err), [&](const ErrorInfoBase &EI) {
+    reportWarning(EI.message());
+  });
+}
+
 void error(Error EC) {
   if (!EC)
     return;