summaryrefslogtreecommitdiff
path: root/lld/MachO/OutputSegment.h
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2020-07-26 19:36:28 +0000
committerDimitry Andric <dim@FreeBSD.org>2020-07-26 19:36:28 +0000
commitcfca06d7963fa0909f90483b42a6d7d194d01e08 (patch)
tree209fb2a2d68f8f277793fc8df46c753d31bc853b /lld/MachO/OutputSegment.h
parent706b4fc47bbc608932d3b491ae19a3b9cde9497b (diff)
Notes
Diffstat (limited to 'lld/MachO/OutputSegment.h')
-rw-r--r--lld/MachO/OutputSegment.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/lld/MachO/OutputSegment.h b/lld/MachO/OutputSegment.h
new file mode 100644
index 000000000000..d977c281272f
--- /dev/null
+++ b/lld/MachO/OutputSegment.h
@@ -0,0 +1,62 @@
+//===- OutputSegment.h ------------------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_MACHO_OUTPUT_SEGMENT_H
+#define LLD_MACHO_OUTPUT_SEGMENT_H
+
+#include "OutputSection.h"
+#include "lld/Common/LLVM.h"
+
+namespace lld {
+namespace macho {
+
+namespace segment_names {
+
+constexpr const char pageZero[] = "__PAGEZERO";
+constexpr const char text[] = "__TEXT";
+constexpr const char data[] = "__DATA";
+constexpr const char linkEdit[] = "__LINKEDIT";
+constexpr const char dataConst[] = "__DATA_CONST";
+
+} // namespace segment_names
+
+class OutputSection;
+class InputSection;
+
+class OutputSegment {
+public:
+ const OutputSection *firstSection() const { return sections.front(); }
+ const OutputSection *lastSection() const { return sections.back(); }
+
+ void addOutputSection(OutputSection *os);
+ void sortOutputSections(
+ llvm::function_ref<bool(OutputSection *, OutputSection *)> comparator) {
+ llvm::stable_sort(sections, comparator);
+ }
+
+ const std::vector<OutputSection *> &getSections() const { return sections; }
+ size_t numNonHiddenSections() const;
+
+ uint64_t fileOff = 0;
+ StringRef name;
+ uint32_t maxProt = 0;
+ uint32_t initProt = 0;
+ uint8_t index;
+
+private:
+ std::vector<OutputSection *> sections;
+};
+
+extern std::vector<OutputSegment *> outputSegments;
+
+OutputSegment *getOrCreateOutputSegment(StringRef name);
+
+} // namespace macho
+} // namespace lld
+
+#endif