Boilerplate for producing XCOFF object files from the PowerPC backend.
Stubs out a number of the classes needed to produce a new object file format
(XCOFF) for the powerpc-aix target. For testing input is an empty module which
produces an object file with just a file header.
Differential Revision: https://reviews.llvm.org/D61694
llvm-svn: 365541
diff --git a/llvm/lib/MC/MCSectionXCOFF.cpp b/llvm/lib/MC/MCSectionXCOFF.cpp
new file mode 100644
index 0000000..d1a6373
--- /dev/null
+++ b/llvm/lib/MC/MCSectionXCOFF.cpp
@@ -0,0 +1,33 @@
+//===- lib/MC/MCSectionXCOFF.cpp - XCOFF Code Section Representation ------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCSectionXCOFF.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+MCSectionXCOFF::~MCSectionXCOFF() = default;
+
+void MCSectionXCOFF::PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
+ raw_ostream &OS,
+ const MCExpr *Subsection) const {
+ if (getKind().isText()) {
+ OS << "\t.csect " << getSectionName() << "["
+ << "PR"
+ << "]" << '\n';
+ return;
+ }
+
+ report_fatal_error("Printing for this SectionKind is unimplemented.");
+}
+
+bool MCSectionXCOFF::UseCodeAlign() const { return getKind().isText(); }
+
+bool MCSectionXCOFF::isVirtualSection() const { return !getKind().isCommon(); }