revert r100842 which broke several of the build bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100848 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 37 insertions, 232 deletions

diff --git a/tools/llvm-mc/Disassembler.cpp b/tools/llvm-mc/Disassembler.cpp
index 4a63e99a6e..9fe0790928 100644
--- a/tools/llvm-mc/Disassembler.cpp
+++ b/tools/llvm-mc/Disassembler.cpp
@@ -15,7 +15,6 @@
 #include "Disassembler.h"
 
 #include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/Triple.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCDisassembler.h"
 #include "llvm/MC/MCInst.h"
@@ -25,9 +24,6 @@
 #include "llvm/Support/MemoryObject.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/SourceMgr.h"
-
-#include "llvm-c/EnhancedDisassembly.h"
-
 using namespace llvm;
 
 typedef std::vector<std::pair<unsigned char, const char*> > ByteArrayTy;
@@ -68,7 +64,8 @@ static bool PrintInsts(const MCDisassembler &DisAsm,
                                /*REMOVE*/ nulls())) {
       Printer.printInst(&Inst, outs());
       outs() << "\n";
-    } else {
+    }
+    else {
       SM.PrintMessage(SMLoc::getFromPointer(Bytes[Index].second),
                       "invalid instruction encoding", "warning");
       if (Size == 0)
@@ -79,9 +76,37 @@ static bool PrintInsts(const MCDisassembler &DisAsm,
   return false;
 }
 
-static bool ByteArrayFromString(ByteArrayTy &ByteArray, 
-                                StringRef &Str, 
-                                SourceMgr &SM) {
+int Disassembler::disassemble(const Target &T, const std::string &Triple,
+                              MemoryBuffer &Buffer) {
+  // Set up disassembler.
+  OwningPtr<const MCAsmInfo> AsmInfo(T.createAsmInfo(Triple));
+  
+  if (!AsmInfo) {
+    errs() << "error: no assembly info for target " << Triple << "\n";
+    return -1;
+  }
+  
+  OwningPtr<const MCDisassembler> DisAsm(T.createMCDisassembler());
+  if (!DisAsm) {
+    errs() << "error: no disassembler for target " << Triple << "\n";
+    return -1;
+  }
+  
+  OwningPtr<MCInstPrinter> IP(T.createMCInstPrinter(0, *AsmInfo));
+  if (!IP) {
+    errs() << "error: no instruction printer for target " << Triple << '\n';
+    return -1;
+  }
+  
+  bool ErrorOccurred = false;
+  
+  SourceMgr SM;
+  SM.AddNewSourceBuffer(&Buffer, SMLoc());
+  
+  // Convert the input to a vector for disassembly.
+  ByteArrayTy ByteArray;
+  
+  StringRef Str = Buffer.getBuffer();
   while (!Str.empty()) {
     // Strip horizontal whitespace.
     if (size_t Pos = Str.find_first_not_of(" \t\r")) {
@@ -94,9 +119,9 @@ static bool ByteArrayFromString(ByteArrayTy &ByteArray,
     if (Str[0] == '\n' || Str[0] == '#') {
       // Strip to the end of line if we already processed any bytes on this
       // line.  This strips the comment and/or the \n.
-      if (Str[0] == '\n') {
+      if (Str[0] == '\n')
         Str = Str.substr(1);
-      } else {
+      else {
         Str = Str.substr(Str.find_first_of('\n'));
         if (!Str.empty())
           Str = Str.substr(1);
@@ -113,7 +138,8 @@ static bool ByteArrayFromString(ByteArrayTy &ByteArray,
     if (Value.getAsInteger(0, ByteVal) || ByteVal > 255) {
       // If we have an error, print it and skip to the end of line.
       SM.PrintMessage(SMLoc::getFromPointer(Value.data()),
-                      "invalid input token", "error");
+                                 "invalid input token", "error");
+      ErrorOccurred = true;
       Str = Str.substr(Str.find('\n'));
       ByteArray.clear();
       continue;
@@ -123,229 +149,8 @@ static bool ByteArrayFromString(ByteArrayTy &ByteArray,
     Str = Str.substr(Next);
   }
   
-  return false;
-}
-
-int Disassembler::disassemble(const Target &T, const std::string &Triple,
-                              MemoryBuffer &Buffer) {
-  // Set up disassembler.
-  OwningPtr<const MCAsmInfo> AsmInfo(T.createAsmInfo(Triple));
-  
-  if (!AsmInfo) {
-    errs() << "error: no assembly info for target " << Triple << "\n";
-    return -1;
-  }
-  
-  OwningPtr<const MCDisassembler> DisAsm(T.createMCDisassembler());
-  if (!DisAsm) {
-    errs() << "error: no disassembler for target " << Triple << "\n";
-    return -1;
-  }
-  
-  OwningPtr<MCInstPrinter> IP(T.createMCInstPrinter(0, *AsmInfo));
-  if (!IP) {
-    errs() << "error: no instruction printer for target " << Triple << '\n';
-    return -1;
-  }
-  
-  bool ErrorOccurred = false;
-  
-  SourceMgr SM;
-  SM.AddNewSourceBuffer(&Buffer, SMLoc());
-  
-  // Convert the input to a vector for disassembly.
-  ByteArrayTy ByteArray;
-  StringRef Str = Buffer.getBuffer();
-  
-  ErrorOccurred |= ByteArrayFromString(ByteArray, Str, SM);
-  
   if (!ByteArray.empty())
     ErrorOccurred |= PrintInsts(*DisAsm, *IP, ByteArray, SM);
     
   return ErrorOccurred;
 }
-
-static int byteArrayReader(uint8_t *B, uint64_t A, void *Arg) {
-  ByteArrayTy &ByteArray = *((ByteArrayTy*)Arg);
-  
-  if (A >= ByteArray.size())
-    return -1;
-  
-  *B = ByteArray[A].first;
-  
-  return 0;
-}
-
-static int verboseEvaluator(uint64_t *V, unsigned R, void *Arg) {
-  EDDisassemblerRef &disassembler = *((EDDisassemblerRef*)Arg);
-  
-  const char *regName;
-  
-  if (!EDGetRegisterName(&regName,
-                        disassembler,
-                        R))
-    outs() << "[" << regName << "/" << R << "]";
-  if (EDRegisterIsStackPointer(disassembler, R))
-    outs() << "(sp)";
-  if (EDRegisterIsProgramCounter(disassembler, R))
-    outs() << "(pc)";
-  
-  *V = 0;
-  
-  return 0;
-}
-
-int Disassembler::disassembleEnhanced(const std::string &TS, 
-                                      MemoryBuffer &Buffer) {
-  ByteArrayTy ByteArray;
-  StringRef Str = Buffer.getBuffer();
-  SourceMgr SM;
-  
-  SM.AddNewSourceBuffer(&Buffer, SMLoc());
-  
-  if (ByteArrayFromString(ByteArray, Str, SM)) {
-    return -1;
-  }
-  
-  EDDisassemblerRef disassembler;
-  
-  Triple T(TS);
-  EDAssemblySyntax_t AS;
-  
-  switch (T.getArch()) {
-  default:
-    errs() << "error: no default assembly syntax for " << TS.c_str() << "\n";
-    return -1;
-  case Triple::arm:
-  case Triple::thumb:
-    AS = kEDAssemblySyntaxARMUAL;
-    break;
-  case Triple::x86:
-  case Triple::x86_64:
-    AS = kEDAssemblySyntaxX86ATT;
-    break;
-  }
-  
-  if (EDGetDisassembler(&disassembler, 
-                        TS.c_str(),
-                        AS)) {
-    errs() << "error: couldn't get disassembler for " << TS.c_str() << "\n";
-    return -1;
-  }
-  
-  EDInstRef inst;
-  
-  if (EDCreateInsts(&inst, 1, disassembler, byteArrayReader, 0,&ByteArray) 
-      != 1) {
-    errs() << "error: Didn't get an instruction\n";
-    return -1;
-  }
-  
-  int numTokens = EDNumTokens(inst);
-  
-  if (numTokens < 0) {
-    errs() << "error: Couldn't count the instruction's tokens\n";
-    return -1;
-  }
-  
-  int tokenIndex;
-  
-  for (tokenIndex = 0; tokenIndex < numTokens; ++tokenIndex) {
-    EDTokenRef token;
-    
-    if (EDGetToken(&token, inst, tokenIndex)) {
-      errs() << "error: Couldn't get token\n";
-      return -1;
-    }
-    
-    const char *buf;
-    
-    if (EDGetTokenString(&buf, token)) {
-      errs() << "error: Couldn't get string for token\n";
-      return -1;
-    }
-    
-    outs() << "[";
-    
-    int operandIndex = EDOperandIndexForToken(token);
-    
-    if (operandIndex >= 0)
-      outs() << operandIndex << "-";
-    
-    if (EDTokenIsWhitespace(token)) {
-      outs() << "w";
-    } else if (EDTokenIsPunctuation(token)) {
-      outs() << "p";
-    } else if (EDTokenIsOpcode(token)) {
-      outs() << "o";
-    } else if (EDTokenIsLiteral(token)) {
-      outs() << "l";
-    } else if (EDTokenIsRegister(token)) {
-      outs() << "r";
-    } else {
-      outs() << "?";
-    }
-    
-    outs() << ":" << buf;
-  
-    if (EDTokenIsLiteral(token)) {
-      outs() << "=";
-      if (EDTokenIsNegativeLiteral(token))
-        outs() << "-";
-      uint64_t absoluteValue;
-      if (EDLiteralTokenAbsoluteValue(&absoluteValue, token)) {
-        errs() << "error: Couldn't get the value of a literal token\n";
-        return -1;
-      }
-      outs() << absoluteValue;
-    } else if (EDTokenIsRegister(token)) {
-      outs() << "=";
-      unsigned regID;
-      if (EDRegisterTokenValue(&regID, token)) {
-        errs() << "error: Couldn't get the ID of a register token\n";
-        return -1;
-      }
-      outs() << "r" << regID;
-    }
-    
-    outs() << "]";
-  }
-  
-  outs() << " ";
-  
-  int numOperands = EDNumOperands(inst);
-  
-  if (numOperands < 0) {
-    errs() << "error: Couldn't count operands\n";
-    return -1;
-  }
-  
-  int operandIndex;
-  
-  for (operandIndex = 0; operandIndex < numOperands; ++operandIndex) {
-    outs() << operandIndex << ":";
-    
-    EDOperandRef operand;
-    
-    if (EDGetOperand(&operand,
-                     inst,
-                     operandIndex)) {
-      errs() << "error: Couldn't get operand\n";
-      return -1;
-    }
-    
-    uint64_t evaluatedResult;
-    
-    EDEvaluateOperand(&evaluatedResult, 
-                      operand, 
-                      verboseEvaluator, 
-                      &disassembler);
-    
-    outs() << " ";
-  }
-  
-  outs() << "\n";
-  
-  return 0;
-}
-