Revert "Add support library."

This reverts commit r221583.

llvm-svn: 221649

10 files changed, 112 insertions, 192 deletions

diff --git a/lld/include/lld/Support/NumParse.h b/lld/include/lld/Support/NumParse.h
deleted file mode 100644
index a375402405b..00000000000
--- a/lld/include/lld/Support/NumParse.h
+++ /dev/null
@@ -1,45 +0,0 @@
-//===-- lld/Support/NumParse.h - Number parsing -----------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// \brief Parses string in various formats to decimal.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLD_SUPPORT_NUM_PARSE_H
-#define LLD_SUPPORT_NUM_PARSE_H
-
-#include "lld/Core/LLVM.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/Support/ErrorOr.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
-#include <system_error>
-#include <vector>
-
-namespace lld {
-
-/// \brief Convert a string in decimal to decimal.
-llvm::ErrorOr<uint64_t> parseDecimal(StringRef str);
-
-/// \brief Convert a string in octal to decimal.
-llvm::ErrorOr<uint64_t> parseOctal(StringRef str);
-
-/// \brief Convert a string in Binary to decimal.
-llvm::ErrorOr<uint64_t> parseBinary(StringRef str);
-
-/// \brief Convert a string in Hexadecimal to decimal.
-llvm::ErrorOr<uint64_t> parseHex(StringRef str);
-
-/// \brief Parse a number represested in a string as
-//  Hexadecimal, Octal, Binary or Decimal to decimal
-llvm::ErrorOr<uint64_t> parseNum(StringRef str, bool parseExtensions = true);
-}
-
-#endif // LLD_SUPPORT_NUM_PARSE_H
diff --git a/lld/lib/CMakeLists.txt b/lld/lib/CMakeLists.txt
index 5054b66e208..157099d3c31 100644
--- a/lld/lib/CMakeLists.txt
+++ b/lld/lib/CMakeLists.txt
@@ -3,4 +3,3 @@ add_subdirectory(Core)
 add_subdirectory(Driver)
 add_subdirectory(Passes)
 add_subdirectory(ReaderWriter)
-add_subdirectory(Support)
diff --git a/lld/lib/Makefile b/lld/lib/Makefile
index ff2bd93cf67..375d50510fb 100644
--- a/lld/lib/Makefile
+++ b/lld/lib/Makefile
@@ -9,7 +9,7 @@
 LLD_LEVEL := ..
 
 # ARCMigrate and Rewrite are always needed because of libclang.
-PARALLEL_DIRS = Config Core Driver Passes ReaderWriter Support
+PARALLEL_DIRS = Config Core Driver Passes ReaderWriter
 
 include $(LLD_LEVEL)/../../Makefile.config
 
diff --git a/lld/lib/ReaderWriter/CMakeLists.txt b/lld/lib/ReaderWriter/CMakeLists.txt
index 7ac719321ad..587d8594a8c 100644
--- a/lld/lib/ReaderWriter/CMakeLists.txt
+++ b/lld/lib/ReaderWriter/CMakeLists.txt
@@ -18,5 +18,4 @@ add_lld_library(lldReaderWriter
 target_link_libraries(lldReaderWriter ${cmake_2_8_12_INTERFACE}
   lldCore
   lldPasses
-  lldSupport
   )
diff --git a/lld/lib/ReaderWriter/LinkerScript.cpp b/lld/lib/ReaderWriter/LinkerScript.cpp
index 080e5336498..3984408b605 100644
--- a/lld/lib/ReaderWriter/LinkerScript.cpp
+++ b/lld/lib/ReaderWriter/LinkerScript.cpp
@@ -13,7 +13,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "lld/ReaderWriter/LinkerScript.h"
-#include "lld/Support/NumParse.h"
 
 namespace lld {
 namespace script {
@@ -90,7 +89,56 @@ void Token::dump(raw_ostream &os) const {
   os << _range << "\n";
 }
 
-bool parseHexToByteStream(StringRef str, std::string &buf) {
+static llvm::ErrorOr<uint64_t> parseDecimal(StringRef str) {
+  uint64_t res = 0;
+  for (auto &c : str) {
+    res *= 10;
+    if (c < '0' || c > '9')
+      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
+    res += c - '0';
+  }
+  return res;
+}
+
+static llvm::ErrorOr<uint64_t> parseOctal(StringRef str) {
+  uint64_t res = 0;
+  for (auto &c : str) {
+    res <<= 3;
+    if (c < '0' || c > '7')
+      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
+    res += c - '0';
+  }
+  return res;
+}
+
+static llvm::ErrorOr<uint64_t> parseBinary(StringRef str) {
+  uint64_t res = 0;
+  for (auto &c : str) {
+    res <<= 1;
+    if (c != '0' && c != '1')
+      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
+    res += c - '0';
+  }
+  return res;
+}
+
+static llvm::ErrorOr<uint64_t> parseHex(StringRef str) {
+  uint64_t res = 0;
+  for (auto &c : str) {
+    res <<= 4;
+    if (c >= '0' && c <= '9')
+      res += c - '0';
+    else if (c >= 'a' && c <= 'f')
+      res += c - 'a' + 10;
+    else if (c >= 'A' && c <= 'F')
+      res += c - 'A' + 10;
+    else
+      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
+  }
+  return res;
+}
+
+static bool parseHexToByteStream(StringRef str, std::string &buf) {
   unsigned char byte = 0;
   bool dumpByte = str.size() % 2;
   for (auto &c : str) {
@@ -130,6 +178,63 @@ static void dumpByteStream(raw_ostream &os, StringRef stream) {
   }
 }
 
+static llvm::ErrorOr<uint64_t> parseNum(StringRef str) {
+  unsigned multiplier = 1;
+  enum NumKind { decimal, hex, octal, binary };
+  NumKind kind = llvm::StringSwitch<NumKind>(str)
+                     .StartsWith("0x", hex)
+                     .StartsWith("0X", hex)
+                     .StartsWith("0", octal)
+                     .Default(decimal);
+
+  // Parse scale
+  if (str.endswith("K")) {
+    multiplier = 1 << 10;
+    str = str.drop_back();
+  } else if (str.endswith("M")) {
+    multiplier = 1 << 20;
+    str = str.drop_back();
+  }
+
+  // Parse type
+  if (str.endswith_lower("o")) {
+    kind = octal;
+    str = str.drop_back();
+  } else if (str.endswith_lower("h")) {
+    kind = hex;
+    str = str.drop_back();
+  } else if (str.endswith_lower("d")) {
+    kind = decimal;
+    str = str.drop_back();
+  } else if (str.endswith_lower("b")) {
+    kind = binary;
+    str = str.drop_back();
+  }
+
+  llvm::ErrorOr<uint64_t> res(0);
+  switch (kind) {
+  case hex:
+    if (str.startswith_lower("0x"))
+      str = str.drop_front(2);
+    res = parseHex(str);
+    break;
+  case octal:
+    res = parseOctal(str);
+    break;
+  case decimal:
+    res = parseDecimal(str);
+    break;
+  case binary:
+    res = parseBinary(str);
+    break;
+  }
+  if (res.getError())
+    return res;
+
+  *res = *res * multiplier;
+  return res;
+}
+
 bool Lexer::canStartNumber(char c) const {
   return '0' <= c && c <= '9';
 }
diff --git a/lld/lib/Support/CMakeLists.txt b/lld/lib/Support/CMakeLists.txt
deleted file mode 100644
index 6e6a2eae9d9..00000000000
--- a/lld/lib/Support/CMakeLists.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-add_lld_library(lldSupport
-  NumParse.cpp
-  )
diff --git a/lld/lib/Support/NumParse.cpp b/lld/lib/Support/NumParse.cpp
deleted file mode 100644
index 5f1d525f3d1..00000000000
--- a/lld/lib/Support/NumParse.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-//===-- lld/Support/NumParse.cpp - Number parsing ---------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// \brief Parses string in various formats to decimal.
-///
-//===----------------------------------------------------------------------===//
-
-#include "lld/Support/NumParse.h"
-
-using namespace llvm;
-
-namespace lld {
-/// \brief Convert a string in decimal to decimal.
-llvm::ErrorOr<uint64_t> parseDecimal(StringRef str) {
-  uint64_t res = 0;
-  for (auto &c : str) {
-    res *= 10;
-    if (c < '0' || c > '9')
-      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
-    res += c - '0';
-  }
-  return res;
-}
-
-/// \brief Convert a string in octal to decimal.
-llvm::ErrorOr<uint64_t> parseOctal(StringRef str) {
-  uint64_t res = 0;
-  for (auto &c : str) {
-    res <<= 3;
-    if (c < '0' || c > '7')
-      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
-    res += c - '0';
-  }
-  return res;
-}
-
-/// \brief Convert a string in Binary to decimal.
-llvm::ErrorOr<uint64_t> parseBinary(StringRef str) {
-  uint64_t res = 0;
-  for (auto &c : str) {
-    res <<= 1;
-    if (c != '0' && c != '1')
-      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
-    res += c - '0';
-  }
-  return res;
-}
-
-/// \brief Convert a string in Hexadecimal to decimal.
-llvm::ErrorOr<uint64_t> parseHex(StringRef str) {
-  uint64_t res = 0;
-  for (auto &c : str) {
-    res <<= 4;
-    if (c >= '0' && c <= '9')
-      res += c - '0';
-    else if (c >= 'a' && c <= 'f')
-      res += c - 'a' + 10;
-    else if (c >= 'A' && c <= 'F')
-      res += c - 'A' + 10;
-    else
-      return llvm::ErrorOr<uint64_t>(std::make_error_code(std::errc::io_error));
-  }
-  return res;
-}
-
-/// \brief Parse a number represested in a string as
-//  Hexadecimal, Octal, Binary or Decimal to decimal
-llvm::ErrorOr<uint64_t> parseNum(StringRef str, bool parseExtensions) {
-  unsigned multiplier = 1;
-  enum NumKind { decimal, hex, octal, binary };
-  NumKind kind = llvm::StringSwitch<NumKind>(str)
-                     .StartsWith("0x", hex)
-                     .StartsWith("0X", hex)
-                     .StartsWith("0", octal)
-                     .Default(decimal);
-
-  if (parseExtensions) {
-    // Parse scale
-    if (str.endswith("K")) {
-      multiplier = 1 << 10;
-      str = str.drop_back();
-    } else if (str.endswith("M")) {
-      multiplier = 1 << 20;
-      str = str.drop_back();
-    }
-
-    // Parse type
-    if (str.endswith_lower("o")) {
-      kind = octal;
-      str = str.drop_back();
-    } else if (str.endswith_lower("h")) {
-      kind = hex;
-      str = str.drop_back();
-    } else if (str.endswith_lower("d")) {
-      kind = decimal;
-      str = str.drop_back();
-    } else if (str.endswith_lower("b")) {
-      kind = binary;
-      str = str.drop_back();
-    }
-  }
-
-  llvm::ErrorOr<uint64_t> res(0);
-  switch (kind) {
-  case hex:
-    if (str.startswith_lower("0x"))
-      str = str.drop_front(2);
-    res = parseHex(str);
-    break;
-  case octal:
-    res = parseOctal(str);
-    break;
-  case decimal:
-    res = parseDecimal(str);
-    break;
-  case binary:
-    res = parseBinary(str);
-    break;
-  }
-  if (res.getError())
-    return res;
-
-  *res = *res * multiplier;
-  return res;
-}
-}
diff --git a/lld/tools/lld/Makefile b/lld/tools/lld/Makefile
index 929c838debc..b0aeaec4b2e 100644
--- a/lld/tools/lld/Makefile
+++ b/lld/tools/lld/Makefile
@@ -19,9 +19,9 @@ LEVEL := $(LLD_LEVEL)/../..
 include $(LEVEL)/Makefile.config
 
 LINK_COMPONENTS := $(TARGETS_TO_BUILD)
-USEDLIBS = lldDriver.a lldConfig.a lldSupport.a \
+USEDLIBS = lldDriver.a lldConfig.a \
            lldELF.a lldMachO.a lldPasses.a lldPECOFF.a lldYAML.a \
-           lldReaderWriter.a lldCore.a lldSupport.a lldNative.a \
+           lldReaderWriter.a lldCore.a lldNative.a \
            lldHexagonELFTarget.a lldPPCELFTarget.a lldMipsELFTarget.a \
            lldX86ELFTarget.a lldX86_64ELFTarget.a lldAArch64ELFTarget.a \
            LLVMOption.a
diff --git a/lld/unittests/DriverTests/Makefile b/lld/unittests/DriverTests/Makefile
index b8ab2b401ab..1b4fe97a43b 100644
--- a/lld/unittests/DriverTests/Makefile
+++ b/lld/unittests/DriverTests/Makefile
@@ -15,7 +15,5 @@ USEDLIBS = lldDriver.a lldConfig.a \
            lldHexagonELFTarget.a lldPPCELFTarget.a lldMipsELFTarget.a \
            lldX86ELFTarget.a lldX86_64ELFTarget.a lldYAML.a \
            LLVMObject.a LLVMMCParser.a LLVMMC.a LLVMBitReader.a \
-           LLVMCore.a LLVMOption.a LLVMSupport.a lldAArch64ELFTarget.a \
-	   lldSupport.a
-
+           LLVMCore.a LLVMOption.a LLVMSupport.a lldAArch64ELFTarget.a
 include $(LLD_LEVEL)/unittests/Makefile
diff --git a/lld/utils/linker-script-test/Makefile b/lld/utils/linker-script-test/Makefile
index db15e6a2d5c..de40ca54d25 100644
--- a/lld/utils/linker-script-test/Makefile
+++ b/lld/utils/linker-script-test/Makefile
@@ -19,6 +19,6 @@ LEVEL := $(LLD_LEVEL)/../..
 include $(LEVEL)/Makefile.config
 
 LINK_COMPONENTS := $(TARGETS_TO_BUILD)
-USEDLIBS = lldReaderWriter.a lldSupport.a LLVMSupport.a
+USEDLIBS = lldReaderWriter.a LLVMSupport.a
 
 include $(LLD_LEVEL)/Makefile