From 08bbd35a80bf7765fe0d3043f9eb5a2f2786b649 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 26 Jun 2017 20:32:52 +0000
Subject: Vendor import of llvm trunk r306325:
 https://llvm.org/svn/llvm-project/llvm/trunk@306325

---
 include/llvm/Object/WindowsResource.h | 57 +++++++++++++++++++++++++----------
 1 file changed, 41 insertions(+), 16 deletions(-)

(limited to 'include/llvm/Object/WindowsResource.h')

diff --git a/include/llvm/Object/WindowsResource.h b/include/llvm/Object/WindowsResource.h
index 4839013c8228c..3d32409fd4aca 100644
--- a/include/llvm/Object/WindowsResource.h
+++ b/include/llvm/Object/WindowsResource.h
@@ -30,7 +30,6 @@
 #define LLVM_INCLUDE_LLVM_OBJECT_RESFILE_H
 
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/BinaryFormat/COFF.h"
 #include "llvm/Object/Binary.h"
 #include "llvm/Object/Error.h"
@@ -44,14 +43,47 @@
 #include <map>
 
 namespace llvm {
-
-class FileOutputBuffer;
-
 namespace object {
 
 class WindowsResource;
 
-enum class Machine { UNKNOWN, ARM, X64, X86 };
+const size_t WIN_RES_MAGIC_SIZE = 16;
+const size_t WIN_RES_NULL_ENTRY_SIZE = 16;
+const uint32_t WIN_RES_HEADER_ALIGNMENT = 4;
+const uint32_t WIN_RES_DATA_ALIGNMENT = 4;
+const uint16_t WIN_RES_PURE_MOVEABLE = 0x0030;
+
+struct WinResHeaderPrefix {
+  support::ulittle32_t DataSize;
+  support::ulittle32_t HeaderSize;
+};
+
+// Type and Name may each either be an integer ID or a string.  This struct is
+// only used in the case where they are both IDs.
+struct WinResIDs {
+  uint16_t TypeFlag;
+  support::ulittle16_t TypeID;
+  uint16_t NameFlag;
+  support::ulittle16_t NameID;
+
+  void setType(uint16_t ID) {
+    TypeFlag = 0xffff;
+    TypeID = ID;
+  }
+
+  void setName(uint16_t ID) {
+    NameFlag = 0xffff;
+    NameID = ID;
+  }
+};
+
+struct WinResHeaderSuffix {
+  support::ulittle32_t DataVersion;
+  support::ulittle16_t MemoryFlags;
+  support::ulittle16_t Language;
+  support::ulittle32_t Version;
+  support::ulittle32_t Characteristics;
+};
 
 class ResourceEntryRef {
 public:
@@ -76,14 +108,6 @@ private:
 
   Error loadNext();
 
-  struct HeaderSuffix {
-    support::ulittle32_t DataVersion;
-    support::ulittle16_t MemoryFlags;
-    support::ulittle16_t Language;
-    support::ulittle32_t Version;
-    support::ulittle32_t Characteristics;
-  };
-
   BinaryStreamReader Reader;
   bool IsStringType;
   ArrayRef<UTF16> Type;
@@ -91,7 +115,7 @@ private:
   bool IsStringName;
   ArrayRef<UTF16> Name;
   uint16_t NameID;
-  const HeaderSuffix *Suffix = nullptr;
+  const WinResHeaderSuffix *Suffix = nullptr;
   ArrayRef<uint8_t> Data;
   const WindowsResource *OwningRes = nullptr;
 };
@@ -185,8 +209,9 @@ private:
   std::vector<std::vector<UTF16>> StringTable;
 };
 
-Error writeWindowsResourceCOFF(StringRef OutputFile, Machine MachineType,
-                               const WindowsResourceParser &Parser);
+Expected<std::unique_ptr<MemoryBuffer>>
+writeWindowsResourceCOFF(llvm::COFF::MachineTypes MachineType,
+                         const WindowsResourceParser &Parser);
 
 } // namespace object
 } // namespace llvm
-- 
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