ARM64: initial backend import

[oota-llvm.git] / include / llvm / MC / MCExpr.h

diff --git a/include/llvm/MC/MCExpr.h b/include/llvm/MC/MCExpr.h
index d0e2694994f39add262000e782b5119a95ddfa99..0033a54e4220b7c1baee71d82911d4aaa177b28d 100644 (file)
--- a/include/llvm/MC/MCExpr.h
+++ b/include/llvm/MC/MCExpr.h
@@ -15,6 +15,7 @@
 #include "llvm/Support/DataTypes.h"
 
 namespace llvm {
+class MCAsmInfo;
 class MCAsmLayout;
 class MCAssembler;
 class MCContext;
@@ -90,7 +91,7 @@ public:
   /// @param Res - The relocatable value, if evaluation succeeds.
   /// @param Layout - The assembler layout object to use for evaluating values.
   /// @result - True on success.
-  bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout &Layout) const;
+  bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout *Layout) const;
 
   /// FindAssociatedSection - Find the "associated section" for this expression,
   /// which is currently defined as the absolute section for constants, or
@@ -157,38 +158,75 @@ public:
     VK_TLSLDM,
     VK_TPOFF,
     VK_DTPOFF,
-    VK_TLVP,      // Mach-O thread local variable relocation
+    VK_TLVP,      // Mach-O thread local variable relocations
+    VK_TLVPPAGE,
+    VK_TLVPPAGEOFF,
+    VK_PAGE,
+    VK_PAGEOFF,
+    VK_GOTPAGE,
+    VK_GOTPAGEOFF,
     VK_SECREL,
-    // FIXME: We'd really like to use the generic Kinds listed above for these.
+    VK_WEAKREF,   // The link between the symbols in .weakref foo, bar
+
     VK_ARM_NONE,
-    VK_ARM_PLT,   // ARM-style PLT references. i.e., (PLT) instead of @PLT
-    VK_ARM_TLSGD, //   ditto for TLSGD, GOT, GOTOFF, TPOFF and GOTTPOFF
-    VK_ARM_GOT,
-    VK_ARM_GOTOFF,
-    VK_ARM_TPOFF,
-    VK_ARM_GOTTPOFF,
     VK_ARM_TARGET1,
     VK_ARM_TARGET2,
     VK_ARM_PREL31,
-
-    VK_PPC_ADDR16_HA,      // symbol@ha
-    VK_PPC_ADDR16_LO,      // symbol@l
+    VK_ARM_TLSLDO,         // symbol(tlsldo)
+    VK_ARM_TLSCALL,        // symbol(tlscall)
+    VK_ARM_TLSDESC,        // symbol(tlsdesc)
+    VK_ARM_TLSDESCSEQ,
+
+    VK_PPC_LO,             // symbol@l
+    VK_PPC_HI,             // symbol@h
+    VK_PPC_HA,             // symbol@ha
+    VK_PPC_HIGHER,         // symbol@higher
+    VK_PPC_HIGHERA,        // symbol@highera
+    VK_PPC_HIGHEST,        // symbol@highest
+    VK_PPC_HIGHESTA,       // symbol@highesta
+    VK_PPC_GOT_LO,         // symbol@got@l
+    VK_PPC_GOT_HI,         // symbol@got@h
+    VK_PPC_GOT_HA,         // symbol@got@ha
     VK_PPC_TOCBASE,        // symbol@tocbase
-    VK_PPC_TOC16,          // symbol@toc
-    VK_PPC_TOC16_HA,       // symbol@toc@ha
-    VK_PPC_TOC16_LO,       // symbol@toc@l
-    VK_PPC_TPREL16_HA,     // symbol@tprel@ha
-    VK_PPC_TPREL16_LO,     // symbol@tprel@l
-    VK_PPC_DTPREL16_HA,    // symbol@dtprel@ha
-    VK_PPC_DTPREL16_LO,    // symbol@dtprel@l
-    VK_PPC_GOT_TPREL16_HA, // symbol@got@tprel@ha
-    VK_PPC_GOT_TPREL16_LO, // symbol@got@tprel@l
+    VK_PPC_TOC,            // symbol@toc
+    VK_PPC_TOC_LO,         // symbol@toc@l
+    VK_PPC_TOC_HI,         // symbol@toc@h
+    VK_PPC_TOC_HA,         // symbol@toc@ha
+    VK_PPC_DTPMOD,         // symbol@dtpmod
+    VK_PPC_TPREL,          // symbol@tprel
+    VK_PPC_TPREL_LO,       // symbol@tprel@l
+    VK_PPC_TPREL_HI,       // symbol@tprel@h
+    VK_PPC_TPREL_HA,       // symbol@tprel@ha
+    VK_PPC_TPREL_HIGHER,   // symbol@tprel@higher
+    VK_PPC_TPREL_HIGHERA,  // symbol@tprel@highera
+    VK_PPC_TPREL_HIGHEST,  // symbol@tprel@highest
+    VK_PPC_TPREL_HIGHESTA, // symbol@tprel@highesta
+    VK_PPC_DTPREL,         // symbol@dtprel
+    VK_PPC_DTPREL_LO,      // symbol@dtprel@l
+    VK_PPC_DTPREL_HI,      // symbol@dtprel@h
+    VK_PPC_DTPREL_HA,      // symbol@dtprel@ha
+    VK_PPC_DTPREL_HIGHER,  // symbol@dtprel@higher
+    VK_PPC_DTPREL_HIGHERA, // symbol@dtprel@highera
+    VK_PPC_DTPREL_HIGHEST, // symbol@dtprel@highest
+    VK_PPC_DTPREL_HIGHESTA,// symbol@dtprel@highesta
+    VK_PPC_GOT_TPREL,      // symbol@got@tprel
+    VK_PPC_GOT_TPREL_LO,   // symbol@got@tprel@l
+    VK_PPC_GOT_TPREL_HI,   // symbol@got@tprel@h
+    VK_PPC_GOT_TPREL_HA,   // symbol@got@tprel@ha
+    VK_PPC_GOT_DTPREL,     // symbol@got@dtprel
+    VK_PPC_GOT_DTPREL_LO,  // symbol@got@dtprel@l
+    VK_PPC_GOT_DTPREL_HI,  // symbol@got@dtprel@h
+    VK_PPC_GOT_DTPREL_HA,  // symbol@got@dtprel@ha
     VK_PPC_TLS,            // symbol@tls
-    VK_PPC_GOT_TLSGD16_HA, // symbol@got@tlsgd@ha
-    VK_PPC_GOT_TLSGD16_LO, // symbol@got@tlsgd@l
+    VK_PPC_GOT_TLSGD,      // symbol@got@tlsgd
+    VK_PPC_GOT_TLSGD_LO,   // symbol@got@tlsgd@l
+    VK_PPC_GOT_TLSGD_HI,   // symbol@got@tlsgd@h
+    VK_PPC_GOT_TLSGD_HA,   // symbol@got@tlsgd@ha
     VK_PPC_TLSGD,          // symbol@tlsgd
-    VK_PPC_GOT_TLSLD16_HA, // symbol@got@tlsld@ha
-    VK_PPC_GOT_TLSLD16_LO, // symbol@got@tlsld@l
+    VK_PPC_GOT_TLSLD,      // symbol@got@tlsld
+    VK_PPC_GOT_TLSLD_LO,   // symbol@got@tlsld@l
+    VK_PPC_GOT_TLSLD_HI,   // symbol@got@tlsld@h
+    VK_PPC_GOT_TLSLD_HA,   // symbol@got@tlsld@ha
     VK_PPC_TLSLD,          // symbol@tlsld
 
     VK_Mips_GPREL,
@@ -226,9 +264,14 @@ private:
   /// The symbol reference modifier.
   const VariantKind Kind;
 
-  explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind)
-    : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind) {
+  /// MCAsmInfo that is used to print symbol variants correctly.
+  const MCAsmInfo *MAI;
+
+  explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind,
+                           const MCAsmInfo *_MAI)
+    : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind), MAI(_MAI) {
     assert(Symbol);
+    assert(MAI);
   }
 
 public:
@@ -249,6 +292,7 @@ public:
   /// @{
 
   const MCSymbol &getSymbol() const { return *Symbol; }
+  const MCAsmInfo &getMCAsmInfo() const { return *MAI; }
 
   VariantKind getKind() const { return Kind; }