Add basic support for .debug_ranges section to LLVM's DebugInfo library.
This section (introduced in DWARF-3) is used to define instruction address
ranges for functions that are not contiguous and can't be described
by low_pc/high_pc attributes (this is the usual case for inlined subroutines).
The patch is the first step to support fetching complete inlining info from DWARF.
Reviewed by Benjamin Kramer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162657 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index e55a27e..870b541 100644
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -13,6 +13,7 @@
#include "DWARFCompileUnit.h"
#include "DWARFDebugAranges.h"
#include "DWARFDebugLine.h"
+#include "DWARFDebugRangeList.h"
#include "llvm/DebugInfo/DIContext.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallVector.h"
@@ -76,6 +77,7 @@
virtual StringRef getARangeSection() = 0;
virtual StringRef getLineSection() = 0;
virtual StringRef getStringSection() = 0;
+ virtual StringRef getRangeSection() = 0;
static bool isSupportedVersion(unsigned version) {
return version == 2 || version == 3;
@@ -93,19 +95,22 @@
StringRef ARangeSection;
StringRef LineSection;
StringRef StringSection;
+ StringRef RangeSection;
public:
DWARFContextInMemory(bool isLittleEndian,
StringRef infoSection,
StringRef abbrevSection,
StringRef aRangeSection,
StringRef lineSection,
- StringRef stringSection)
+ StringRef stringSection,
+ StringRef rangeSection)
: DWARFContext(isLittleEndian),
InfoSection(infoSection),
AbbrevSection(abbrevSection),
ARangeSection(aRangeSection),
LineSection(lineSection),
- StringSection(stringSection)
+ StringSection(stringSection),
+ RangeSection(rangeSection)
{}
virtual StringRef getInfoSection() { return InfoSection; }
@@ -113,6 +118,7 @@
virtual StringRef getARangeSection() { return ARangeSection; }
virtual StringRef getLineSection() { return LineSection; }
virtual StringRef getStringSection() { return StringSection; }
+ virtual StringRef getRangeSection() { return RangeSection; }
};
}