[llvm] r205360 - DebugInfo: Split DebugLocEntry into its own file.
David Blaikie
dblaikie at gmail.com
Tue Apr 1 14:49:04 PDT 2014
Author: dblaikie
Date: Tue Apr 1 16:49:04 2014
New Revision: 205360
URL: http://llvm.org/viewvc/llvm-project?rev=205360&view=rev
Log:
DebugInfo: Split DebugLocEntry into its own file.
It seems big enough that it deserves its own file - but it is header
only, so there's no need for another cpp file, etc.
Added:
llvm/trunk/lib/CodeGen/AsmPrinter/DebugLocEntry.h
Modified:
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
Added: llvm/trunk/lib/CodeGen/AsmPrinter/DebugLocEntry.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DebugLocEntry.h?rev=205360&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DebugLocEntry.h (added)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DebugLocEntry.h Tue Apr 1 16:49:04 2014
@@ -0,0 +1,112 @@
+//===-- llvm/CodeGen/DebugLocEntry.h - Entry in debug_loc list -*- C++ -*--===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CODEGEN_ASMPRINTER_DEBUGLOCENTRY_H__
+#define CODEGEN_ASMPRINTER_DEBUGLOCENTRY_H__
+#include "llvm/IR/Constants.h"
+#include "llvm/MC/MachineLocation.h"
+#include "llvm/MC/MCSymbol.h"
+
+namespace llvm {
+class DwarfCompileUnit;
+class MDNode;
+/// \brief This struct describes location entries emitted in the .debug_loc
+/// section.
+class DebugLocEntry {
+ // Begin and end symbols for the address range that this location is valid.
+ const MCSymbol *Begin;
+ const MCSymbol *End;
+
+ // Type of entry that this represents.
+ enum EntryType { E_Location, E_Integer, E_ConstantFP, E_ConstantInt };
+ enum EntryType EntryKind;
+
+ union {
+ int64_t Int;
+ const ConstantFP *CFP;
+ const ConstantInt *CIP;
+ } Constants;
+
+ // The location in the machine frame.
+ MachineLocation Loc;
+
+ // The variable to which this location entry corresponds.
+ const MDNode *Variable;
+
+ // The compile unit to which this location entry is referenced by.
+ const DwarfCompileUnit *Unit;
+
+public:
+ DebugLocEntry() : Begin(0), End(0), Variable(0), Unit(0) {
+ Constants.Int = 0;
+ }
+ DebugLocEntry(const MCSymbol *B, const MCSymbol *E, MachineLocation &L,
+ const MDNode *V, const DwarfCompileUnit *U)
+ : Begin(B), End(E), Loc(L), Variable(V), Unit(U) {
+ Constants.Int = 0;
+ EntryKind = E_Location;
+ }
+ DebugLocEntry(const MCSymbol *B, const MCSymbol *E, int64_t i,
+ const DwarfCompileUnit *U)
+ : Begin(B), End(E), Variable(0), Unit(U) {
+ Constants.Int = i;
+ EntryKind = E_Integer;
+ }
+ DebugLocEntry(const MCSymbol *B, const MCSymbol *E, const ConstantFP *FPtr,
+ const DwarfCompileUnit *U)
+ : Begin(B), End(E), Variable(0), Unit(U) {
+ Constants.CFP = FPtr;
+ EntryKind = E_ConstantFP;
+ }
+ DebugLocEntry(const MCSymbol *B, const MCSymbol *E, const ConstantInt *IPtr,
+ const DwarfCompileUnit *U)
+ : Begin(B), End(E), Variable(0), Unit(U) {
+ Constants.CIP = IPtr;
+ EntryKind = E_ConstantInt;
+ }
+
+ /// \brief Empty entries are also used as a trigger to emit temp label. Such
+ /// labels are referenced is used to find debug_loc offset for a given DIE.
+ bool isEmpty() const { return Begin == 0 && End == 0; }
+ bool Merge(const DebugLocEntry &Next) {
+ if (End != Next.Begin)
+ return false;
+
+ if (EntryKind != Next.EntryKind)
+ return false;
+
+ switch (EntryKind) {
+ case E_Location:
+ if (Loc != Next.Loc) return false;
+ case E_Integer:
+ if (Constants.Int != Next.Constants.Int) return false;
+ case E_ConstantFP:
+ if (Constants.CFP != Next.Constants.CFP) return false;
+ case E_ConstantInt:
+ if (Constants.CIP != Next.Constants.CIP) return false;
+ }
+
+ return true;
+ }
+ bool isLocation() const { return EntryKind == E_Location; }
+ bool isInt() const { return EntryKind == E_Integer; }
+ bool isConstantFP() const { return EntryKind == E_ConstantFP; }
+ bool isConstantInt() const { return EntryKind == E_ConstantInt; }
+ int64_t getInt() const { return Constants.Int; }
+ const ConstantFP *getConstantFP() const { return Constants.CFP; }
+ const ConstantInt *getConstantInt() const { return Constants.CIP; }
+ const MDNode *getVariable() const { return Variable; }
+ const MCSymbol *getBeginSym() const { return Begin; }
+ const MCSymbol *getEndSym() const { return End; }
+ const DwarfCompileUnit *getCU() const { return Unit; }
+ MachineLocation getLoc() const { return Loc; }
+};
+
+}
+#endif
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=205360&r1=205359&r2=205360&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Tue Apr 1 16:49:04 2014
@@ -16,6 +16,7 @@
#include "AsmPrinterHandler.h"
#include "DIE.h"
+#include "DebugLocEntry.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallPtrSet.h"
@@ -58,91 +59,6 @@ public:
MCSymbol *getLabel() const { return Label; }
};
-/// \brief This struct describes location entries emitted in the .debug_loc
-/// section.
-class DebugLocEntry {
- // Begin and end symbols for the address range that this location is valid.
- const MCSymbol *Begin;
- const MCSymbol *End;
-
- // Type of entry that this represents.
- enum EntryType { E_Location, E_Integer, E_ConstantFP, E_ConstantInt };
- enum EntryType EntryKind;
-
- union {
- int64_t Int;
- const ConstantFP *CFP;
- const ConstantInt *CIP;
- } Constants;
-
- // The location in the machine frame.
- MachineLocation Loc;
-
- // The variable to which this location entry corresponds.
- const MDNode *Variable;
-
- // The compile unit to which this location entry is referenced by.
- const DwarfCompileUnit *Unit;
-
-public:
- DebugLocEntry() : Begin(0), End(0), Variable(0), Unit(0) {
- Constants.Int = 0;
- }
- DebugLocEntry(const MCSymbol *B, const MCSymbol *E, MachineLocation &L,
- const MDNode *V, const DwarfCompileUnit *U)
- : Begin(B), End(E), Loc(L), Variable(V), Unit(U) {
- Constants.Int = 0;
- EntryKind = E_Location;
- }
- DebugLocEntry(const MCSymbol *B, const MCSymbol *E, int64_t i,
- const DwarfCompileUnit *U)
- : Begin(B), End(E), Variable(0), Unit(U) {
- Constants.Int = i;
- EntryKind = E_Integer;
- }
- DebugLocEntry(const MCSymbol *B, const MCSymbol *E, const ConstantFP *FPtr,
- const DwarfCompileUnit *U)
- : Begin(B), End(E), Variable(0), Unit(U) {
- Constants.CFP = FPtr;
- EntryKind = E_ConstantFP;
- }
- DebugLocEntry(const MCSymbol *B, const MCSymbol *E, const ConstantInt *IPtr,
- const DwarfCompileUnit *U)
- : Begin(B), End(E), Variable(0), Unit(U) {
- Constants.CIP = IPtr;
- EntryKind = E_ConstantInt;
- }
-
- /// \brief Empty entries are also used as a trigger to emit temp label. Such
- /// labels are referenced is used to find debug_loc offset for a given DIE.
- bool isEmpty() const { return Begin == 0 && End == 0; }
- bool Merge(const DebugLocEntry &Next) {
- if (Begin &&
- Loc == Next.Loc &&
- EntryKind == Next.EntryKind &&
- (!isInt() || getInt() == Next.getInt()) &&
- (!isConstantInt() || getConstantInt() == Next.getConstantInt()) &&
- (!isConstantFP() || getConstantFP() == Next.getConstantFP()) &&
- End == Next.Begin) {
- End = Next.End;
- return true;
- }
- return false;
- }
- bool isLocation() const { return EntryKind == E_Location; }
- bool isInt() const { return EntryKind == E_Integer; }
- bool isConstantFP() const { return EntryKind == E_ConstantFP; }
- bool isConstantInt() const { return EntryKind == E_ConstantInt; }
- int64_t getInt() const { return Constants.Int; }
- const ConstantFP *getConstantFP() const { return Constants.CFP; }
- const ConstantInt *getConstantInt() const { return Constants.CIP; }
- const MDNode *getVariable() const { return Variable; }
- const MCSymbol *getBeginSym() const { return Begin; }
- const MCSymbol *getEndSym() const { return End; }
- const DwarfCompileUnit *getCU() const { return Unit; }
- MachineLocation getLoc() const { return Loc; }
-};
-
//===----------------------------------------------------------------------===//
/// \brief This class is used to track local variable information.
class DbgVariable {
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