This patch improves the MCJIT runtime dynamic loader by adding new handling
of zero-initialized sections, virtual sections and common symbols
and preventing the loading of sections which are not required for
execution such as debug information.
Patch by Andy Kaylor!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154610 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/COFFObjectFile.cpp b/lib/Object/COFFObjectFile.cpp
index 53b15d0..bd27a56 100644
--- a/lib/Object/COFFObjectFile.cpp
+++ b/lib/Object/COFFObjectFile.cpp
@@ -356,6 +356,27 @@
return object_error::success;
}
+error_code COFFObjectFile::isSectionRequiredForExecution(DataRefImpl Sec,
+ bool &Result) const {
+ // FIXME: Unimplemented
+ Result = true;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionVirtual(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionZeroInit(DataRefImpl Sec,
+ bool &Result) const {
+ // FIXME: Unimplemented
+ Result = false;
+ return object_error::success;
+}
+
error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {