[libFuzzer] when using cmp traces, first check that the CMP is evaluated to one value...

[oota-llvm.git] / lib / MC / MCDwarf.cpp

diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index a7e83f617088cfa0d989ba35af97372eea5d61c6..c84c4865f51e43ea7b9407c16aad32f15280c96c 100644 (file)
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -98,15 +98,15 @@ static inline const MCExpr *MakeStartMinusEndExpr(const MCStreamer &MCOS,
                                                   int IntVal) {
   MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
   const MCExpr *Res =
-    MCSymbolRefExpr::Create(&End, Variant, MCOS.getContext());
+    MCSymbolRefExpr::create(&End, Variant, MCOS.getContext());
   const MCExpr *RHS =
-    MCSymbolRefExpr::Create(&Start, Variant, MCOS.getContext());
+    MCSymbolRefExpr::create(&Start, Variant, MCOS.getContext());
   const MCExpr *Res1 =
-    MCBinaryExpr::Create(MCBinaryExpr::Sub, Res, RHS, MCOS.getContext());
+    MCBinaryExpr::create(MCBinaryExpr::Sub, Res, RHS, MCOS.getContext());
   const MCExpr *Res2 =
-    MCConstantExpr::Create(IntVal, MCOS.getContext());
+    MCConstantExpr::create(IntVal, MCOS.getContext());
   const MCExpr *Res3 =
-    MCBinaryExpr::Create(MCBinaryExpr::Sub, Res1, Res2, MCOS.getContext());
+    MCBinaryExpr::create(MCBinaryExpr::Sub, Res1, Res2, MCOS.getContext());
   return Res3;
 }
 
@@ -247,7 +247,7 @@ static const MCExpr *forceExpAbs(MCStreamer &OS, const MCExpr* Expr) {
 
   MCSymbol *ABS = Context.createTempSymbol();
   OS.EmitAssignment(ABS, Expr);
-  return MCSymbolRefExpr::Create(ABS, Context);
+  return MCSymbolRefExpr::create(ABS, Context);
 }
 
 static void emitAbsValue(MCStreamer &OS, const MCExpr *Value, unsigned Size) {
@@ -616,7 +616,7 @@ static void EmitGenDwarfAranges(MCStreamer *MCOS,
     assert(StartSymbol && "StartSymbol must not be NULL");
     assert(EndSymbol && "EndSymbol must not be NULL");
 
-    const MCExpr *Addr = MCSymbolRefExpr::Create(
+    const MCExpr *Addr = MCSymbolRefExpr::create(
       StartSymbol, MCSymbolRefExpr::VK_None, context);
     const MCExpr *Size = MakeStartMinusEndExpr(*MCOS,
       *StartSymbol, *EndSymbol, 0);
@@ -705,12 +705,12 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS,
     assert(EndSymbol && "EndSymbol must not be NULL");
 
     // AT_low_pc, the first address of the default .text section.
-    const MCExpr *Start = MCSymbolRefExpr::Create(
+    const MCExpr *Start = MCSymbolRefExpr::create(
         StartSymbol, MCSymbolRefExpr::VK_None, context);
     MCOS->EmitValue(Start, AddrSize);
 
     // AT_high_pc, the last address of the default .text section.
-    const MCExpr *End = MCSymbolRefExpr::Create(
+    const MCExpr *End = MCSymbolRefExpr::create(
       EndSymbol, MCSymbolRefExpr::VK_None, context);
     MCOS->EmitValue(End, AddrSize);
   }
@@ -772,7 +772,7 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS,
     MCOS->EmitIntValue(Entry.getLineNumber(), 4);
 
     // AT_low_pc, start address of the label.
-    const MCExpr *AT_low_pc = MCSymbolRefExpr::Create(Entry.getLabel(),
+    const MCExpr *AT_low_pc = MCSymbolRefExpr::create(Entry.getLabel(),
                                              MCSymbolRefExpr::VK_None, context);
     MCOS->EmitValue(AT_low_pc, AddrSize);
 
@@ -812,7 +812,7 @@ static void EmitGenDwarfRanges(MCStreamer *MCOS) {
     assert(EndSymbol && "EndSymbol must not be NULL");
 
     // Emit a base address selection entry for the start of this section
-    const MCExpr *SectionStartAddr = MCSymbolRefExpr::Create(
+    const MCExpr *SectionStartAddr = MCSymbolRefExpr::create(
       StartSymbol, MCSymbolRefExpr::VK_None, context);
     MCOS->EmitFill(AddrSize, 0xFF);
     MCOS->EmitValue(SectionStartAddr, AddrSize);
@@ -1590,18 +1590,17 @@ void MCDwarfFrameEmitter::EncodeAdvanceLoc(MCContext &Context,
     OS << uint8_t(dwarf::DW_CFA_advance_loc1);
     OS << uint8_t(AddrDelta);
   } else if (isUInt<16>(AddrDelta)) {
-    // FIXME: check what is the correct behavior on a big endian machine.
     OS << uint8_t(dwarf::DW_CFA_advance_loc2);
-    OS << uint8_t( AddrDelta       & 0xff);
-    OS << uint8_t((AddrDelta >> 8) & 0xff);
+    if (Context.getAsmInfo()->isLittleEndian())
+      support::endian::Writer<support::little>(OS).write<uint16_t>(AddrDelta);
+    else
+      support::endian::Writer<support::big>(OS).write<uint16_t>(AddrDelta);
   } else {
-    // FIXME: check what is the correct behavior on a big endian machine.
     assert(isUInt<32>(AddrDelta));
     OS << uint8_t(dwarf::DW_CFA_advance_loc4);
-    OS << uint8_t( AddrDelta        & 0xff);
-    OS << uint8_t((AddrDelta >> 8)  & 0xff);
-    OS << uint8_t((AddrDelta >> 16) & 0xff);
-    OS << uint8_t((AddrDelta >> 24) & 0xff);
-
+    if (Context.getAsmInfo()->isLittleEndian())
+      support::endian::Writer<support::little>(OS).write<uint32_t>(AddrDelta);
+    else
+      support::endian::Writer<support::big>(OS).write<uint32_t>(AddrDelta);
   }
 }