Add a MCAsmInfoELF class and factor some code into it.

We had a MCAsmInfoCOFF, but no common class for all the ELF MCAsmInfos before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192760 91177308-0d34-0410-b5e6-96231b3b80d8

22 files changed, 45 insertions, 32 deletions

diff --git a/lib/MC/CMakeLists.txt b/lib/MC/CMakeLists.txt
index fffe886a4a..fa844efacf 100644
--- a/lib/MC/CMakeLists.txt
+++ b/lib/MC/CMakeLists.txt
@@ -4,6 +4,7 @@ add_llvm_library(LLVMMC
   MCAsmInfo.cpp
   MCAsmInfoCOFF.cpp
   MCAsmInfoDarwin.cpp
+  MCAsmInfoELF.cpp
   MCAsmStreamer.cpp
   MCAssembler.cpp
   MCAtom.cpp
diff --git a/lib/MC/MCAsmInfoELF.cpp b/lib/MC/MCAsmInfoELF.cpp
new file mode 100644
index 0000000000..8cf4e4fea2
--- /dev/null
+++ b/lib/MC/MCAsmInfoELF.cpp
@@ -0,0 +1,23 @@
+//===-- MCAsmInfoELF.cpp - ELF asm properties -------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines target asm properties related what form asm statements
+// should take in general on ELF-based targets
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmInfoELF.h"
+using namespace llvm;
+
+void MCAsmInfoELF::anchor() { }
+
+MCAsmInfoELF::MCAsmInfoELF() {
+  HasIdentDirective = true;
+  WeakRefDirective = "\t.weak\t";
+}
diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
index 8ec8cbf1c5..dd12e2c08c 100644
--- a/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
@@ -31,8 +31,6 @@ AArch64ELFMCAsmInfo::AArch64ELFMCAsmInfo() {
 
   UseDataRegionDirectives = true;
 
-  WeakRefDirective = "\t.weak\t";
-
   HasLEB128 = true;
   SupportsDebugInformation = true;
 
diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h b/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
index a20bc471c2..ae0a674fa8 100644
--- a/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
@@ -14,11 +14,11 @@
 #ifndef LLVM_AARCH64TARGETASMINFO_H
 #define LLVM_AARCH64TARGETASMINFO_H
 
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
 
-  struct AArch64ELFMCAsmInfo : public MCAsmInfo {
+  struct AArch64ELFMCAsmInfo : public MCAsmInfoELF {
     explicit AArch64ELFMCAsmInfo();
   };
 
diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
index c1aab9c72c..ad796e660e 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
@@ -49,8 +49,6 @@ ARMELFMCAsmInfo::ARMELFMCAsmInfo() {
   Code16Directive = ".code\t16";
   Code32Directive = ".code\t32";
 
-  WeakRefDirective = "\t.weak\t";
-
   HasLEB128 = true;
   SupportsDebugInformation = true;
 
diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h b/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h
index f0b289c6f3..e1f716d936 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h
+++ b/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h
@@ -15,6 +15,7 @@
 #define LLVM_ARMTARGETASMINFO_H
 
 #include "llvm/MC/MCAsmInfoDarwin.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
 
@@ -24,7 +25,7 @@ namespace llvm {
     explicit ARMMCAsmInfoDarwin();
   };
 
-  class ARMELFMCAsmInfo : public MCAsmInfo {
+  class ARMELFMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit ARMELFMCAsmInfo();
diff --git a/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.cpp b/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.cpp
index 495dbb97b0..b9fef0ce4d 100644
--- a/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.cpp
+++ b/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.cpp
@@ -29,7 +29,6 @@ HexagonMCAsmInfo::HexagonMCAsmInfo(StringRef TT) {
   InlineAsmEnd = "# InlineAsm End";
   ZeroDirective = "\t.space\t";
   AscizDirective = "\t.string\t";
-  WeakRefDirective = "\t.weak\t";
 
   SupportsDebugInformation = true;
   UsesELFSectionDirectiveForBSS  = true;
diff --git a/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.h b/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.h
index 0b94d2141c..b2c1d377a3 100644
--- a/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.h
+++ b/lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.h
@@ -15,10 +15,10 @@
 #define HexagonMCASMINFO_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
-  class HexagonMCAsmInfo : public MCAsmInfo {
+  class HexagonMCAsmInfo : public MCAsmInfoELF {
   public:
     explicit HexagonMCAsmInfo(StringRef TT);
   };
diff --git a/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.cpp b/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.cpp
index ab8c81efed..991bf56005 100644
--- a/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.cpp
+++ b/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.cpp
@@ -21,7 +21,6 @@ MSP430MCAsmInfo::MSP430MCAsmInfo(StringRef TT) {
   PointerSize = CalleeSaveStackSlotSize = 2;
 
   PrivateGlobalPrefix = ".L";
-  WeakRefDirective ="\t.weak\t";
   CommentString = ";";
 
   AlignmentIsInBytes = false;
diff --git a/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.h b/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.h
index feb040d13b..a7e0e58941 100644
--- a/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.h
+++ b/lib/Target/MSP430/MCTargetDesc/MSP430MCAsmInfo.h
@@ -14,12 +14,12 @@
 #ifndef MSP430TARGETASMINFO_H
 #define MSP430TARGETASMINFO_H
 
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
   class StringRef;
 
-  class MSP430MCAsmInfo : public MCAsmInfo {
+  class MSP430MCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit MSP430MCAsmInfo(StringRef TT);
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
index 33f6f9620e..6aa3c762d9 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
@@ -38,7 +38,6 @@ MipsMCAsmInfo::MipsMCAsmInfo(StringRef TT) {
   ZeroDirective               = "\t.space\t";
   GPRel32Directive            = "\t.gpword\t";
   GPRel64Directive            = "\t.gpdword\t";
-  WeakRefDirective            = "\t.weak\t";
   DebugLabelSuffix            = "=.";
   SupportsDebugInformation = true;
   ExceptionsType = ExceptionHandling::DwarfCFI;
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h
index 772234eb71..1000113351 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h
@@ -14,12 +14,12 @@
 #ifndef MIPSTARGETASMINFO_H
 #define MIPSTARGETASMINFO_H
 
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
   class StringRef;
 
-  class MipsMCAsmInfo : public MCAsmInfo {
+  class MipsMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit MipsMCAsmInfo(StringRef TT);
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
index 91578a9b50..f3dddce301 100644
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
@@ -46,8 +46,7 @@ PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) {
   CommentString = "#";
   GlobalPrefix = "";
   PrivateGlobalPrefix = ".L";
-  WeakRefDirective = "\t.weak\t";
-  
+
   // Uses '.section' before '.bss' directive
   UsesELFSectionDirectiveForBSS = true;  
 
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
index 7b4ed9f14e..1530e774cf 100644
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
@@ -15,6 +15,7 @@
 #define PPCTARGETASMINFO_H
 
 #include "llvm/MC/MCAsmInfoDarwin.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
 
@@ -24,7 +25,7 @@ namespace llvm {
     explicit PPCMCAsmInfoDarwin(bool is64Bit);
   };
 
-  class PPCLinuxMCAsmInfo : public MCAsmInfo {
+  class PPCLinuxMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit PPCLinuxMCAsmInfo(bool is64Bit);
diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
index 06b1df6dbf..baac36b1db 100644
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
@@ -41,8 +41,6 @@ SparcELFMCAsmInfo::SparcELFMCAsmInfo(StringRef TT) {
   SunStyleELFSectionSwitchSyntax = true;
   UsesELFSectionDirectiveForBSS = true;
 
-  WeakRefDirective = "\t.weak\t";
-
   PrivateGlobalPrefix = ".L";
 }
 
diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h
index 621e8ffadf..1e58e37ce1 100644
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h
@@ -14,12 +14,12 @@
 #ifndef SPARCTARGETASMINFO_H
 #define SPARCTARGETASMINFO_H
 
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
   class StringRef;
 
-  class SparcELFMCAsmInfo : public MCAsmInfo {
+  class SparcELFMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit SparcELFMCAsmInfo(StringRef TT);
diff --git a/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp b/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp
index 1d39140a79..965c41e2d1 100644
--- a/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp
@@ -21,7 +21,6 @@ SystemZMCAsmInfo::SystemZMCAsmInfo(StringRef TT) {
   CommentString = "#";
   GlobalPrefix = "";
   PrivateGlobalPrefix = ".L";
-  WeakRefDirective = "\t.weak\t";
   ZeroDirective = "\t.space\t";
   Data64bitsDirective = "\t.quad\t";
   UsesELFSectionDirectiveForBSS = true;
diff --git a/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.h b/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.h
index d440787de5..b9ac92a693 100644
--- a/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.h
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.h
@@ -10,13 +10,13 @@
 #ifndef SystemZTARGETASMINFO_H
 #define SystemZTARGETASMINFO_H
 
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 #include "llvm/Support/Compiler.h"
 
 namespace llvm {
 class StringRef;
 
-class SystemZMCAsmInfo : public MCAsmInfo {
+class SystemZMCAsmInfo : public MCAsmInfoELF {
 public:
   explicit SystemZMCAsmInfo(StringRef TT);
 
diff --git a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
index 032e910bbc..d3f5258a8d 100644
--- a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
+++ b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
@@ -90,8 +90,6 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &T) {
   TextAlignFillValue = 0x90;
 
   PrivateGlobalPrefix = ".L";
-  WeakRefDirective = "\t.weak\t";
-  HasIdentDirective = true;
 
   // Set up DWARF directives
   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
diff --git a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.h b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.h
index b6b70fd3e8..80979dda67 100644
--- a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.h
+++ b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.h
@@ -17,6 +17,7 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCAsmInfoCOFF.h"
 #include "llvm/MC/MCAsmInfoDarwin.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
   class Triple;
@@ -35,7 +36,7 @@ namespace llvm {
                                 MCStreamer &Streamer) const;
   };
 
-  class X86ELFMCAsmInfo : public MCAsmInfo {
+  class X86ELFMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit X86ELFMCAsmInfo(const Triple &Triple);
diff --git a/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.cpp b/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.cpp
index 19b97efeaf..720cb1898b 100644
--- a/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.cpp
+++ b/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.cpp
@@ -23,7 +23,6 @@ XCoreMCAsmInfo::XCoreMCAsmInfo(StringRef TT) {
     
   PrivateGlobalPrefix = ".L";
   AscizDirective = ".asciiz";
-  WeakRefDirective = "\t.weak\t";
 
   HiddenVisibilityAttr = MCSA_Invalid;
   HiddenDeclarationVisibilityAttr = MCSA_Invalid;
diff --git a/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.h b/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.h
index b5a9660d5f..e53c96b8f7 100644
--- a/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.h
+++ b/lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.h
@@ -14,13 +14,13 @@
 #ifndef XCORETARGETASMINFO_H
 #define XCORETARGETASMINFO_H
 
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAsmInfoELF.h"
 
 namespace llvm {
   class StringRef;
   class Target;
 
-  class XCoreMCAsmInfo : public MCAsmInfo {
+  class XCoreMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
     explicit XCoreMCAsmInfo(StringRef TT);