Added Mapping Symbols for ARM ELF
Before this patch, when you objdump an LLVM-compiled file, objdump tried to
decode data-in-code sections as if they were code. This patch adds the missing
Mapping Symbols, as defined by "ELF for the ARM Architecture" (ARM IHI 0044D).
Patch based on work by Greg Fitzgerald.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169609 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index a3178ff..c58a6ae 100644
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -12,15 +12,11 @@
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCELFStreamer.h"
-
-#include "MCELF.h"
#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCELF.h"
#include "llvm/MC/MCELFSymbolFlags.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
@@ -104,15 +100,6 @@
llvm_unreachable("invalid assembler flag!");
}
-void MCELFStreamer::EmitThumbFunc(MCSymbol *Func) {
- // FIXME: Anything needed here to flag the function as thumb?
-
- getAssembler().setIsThumbFunc(Func);
-
- MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Func);
- SD.setFlags(SD.getFlags() | ELF_Other_ThumbFunc);
-}
-
void MCELFStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
// TODO: This is exactly the same as WinCOFFStreamer. Consider merging into
// MCObjectStreamer.
@@ -396,9 +383,7 @@
this->MCObjectStreamer::FinishImpl();
}
-
-void MCELFStreamer::EmitTCEntry(const MCSymbol &S)
-{
+void MCELFStreamer::EmitTCEntry(const MCSymbol &S) {
// Creates a R_PPC64_TOC relocation
MCObjectStreamer::EmitSymbolValue(&S, 8, 0);
}
@@ -414,6 +399,10 @@
return S;
}
+void MCELFStreamer::EmitThumbFunc(MCSymbol *Func) {
+ llvm_unreachable("Generic ELF doesn't support this directive");
+}
+
void MCELFStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
llvm_unreachable("ELF doesn't support this directive");
}