From ab2dea568729ac68af0fec982756ca8d491f913b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 7 Nov 2002 19:29:31 +0000
Subject: [PATCH] Make command line arguments setup be endian correct!!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4605 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/ExecutionEngine/Interpreter/Execution.cpp | 22 +++++++++++++++++++
 lib/ExecutionEngine/Interpreter/Interpreter.h |  2 +-
 lib/ExecutionEngine/Interpreter/UserInput.cpp | 20 +----------------
 3 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index b8d1c34d867..d11ed6e5218 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -980,6 +980,28 @@ static void executeStoreInst(StoreInst &I, ExecutionContext &SF) {
 }
 
 
+GenericValue Interpreter::CreateArgv(const std::vector<std::string> &InputArgv){
+  // Pointers are 64 bits...
+  PointerTy *Result = new PointerTy[InputArgv.size()+1];  // 64 bit assumption
+
+  for (unsigned i = 0; i < InputArgv.size(); ++i) {
+    unsigned Size = InputArgv[i].size()+1;
+    char *Dest = new char[Size];
+    copy(InputArgv[i].begin(), InputArgv[i].end(), Dest);
+    Dest[Size-1] = 0;
+
+    GenericValue GV; GV.PointerVal = (PointerTy)Dest;
+    // Endian safe: Result[i] = (PointerTy)Dest;
+    StoreValueToMemory(GV, (GenericValue*)(Result+i),
+                       Type::LongTy);  // 64 bit assumption
+  }
+
+  Result[InputArgv.size()] = 0;
+  GenericValue GV; GV.PointerVal = (PointerTy)Result;
+  return GV;
+}
+
+
 //===----------------------------------------------------------------------===//
 //                 Miscellaneous Instruction Implementations
 //===----------------------------------------------------------------------===//
diff --git a/lib/ExecutionEngine/Interpreter/Interpreter.h b/lib/ExecutionEngine/Interpreter/Interpreter.h
index a02a0abd05c..c0d8b75aca5 100644
--- a/lib/ExecutionEngine/Interpreter/Interpreter.h
+++ b/lib/ExecutionEngine/Interpreter/Interpreter.h
@@ -126,9 +126,9 @@ public:
   static void print(const Type *Ty, GenericValue V);
   static void printValue(const Type *Ty, GenericValue V);
 
-  // Hack until we can parse command line args...
   bool callMainMethod(const std::string &MainName,
                       const std::vector<std::string> &InputFilename);
+  GenericValue CreateArgv(const std::vector<std::string> &InputArgv);
 
   void list();             // Do the 'list' command
   void printStackTrace();  // Do the 'backtrace' command
diff --git a/lib/ExecutionEngine/Interpreter/UserInput.cpp b/lib/ExecutionEngine/Interpreter/UserInput.cpp
index 4ef7fdcacf5..f0975a72d8f 100644
--- a/lib/ExecutionEngine/Interpreter/UserInput.cpp
+++ b/lib/ExecutionEngine/Interpreter/UserInput.cpp
@@ -238,23 +238,6 @@ bool Interpreter::callMethod(const string &Name) {
   return false;
 }
 
-static void *CreateArgv(const std::vector<string> &InputArgv) {
-  // Pointers are 64 bits...
-  uint64_t *Result = new PointerTy[InputArgv.size()+1];
-
-  for (unsigned i = 0; i < InputArgv.size(); ++i) {
-    unsigned Size = InputArgv[i].size()+1;
-    char *Dest = new char[Size];
-    copy(InputArgv[i].begin(), InputArgv[i].end(), Dest);
-    Dest[Size-1] = 0;
-    Result[i] = (PointerTy)Dest;
-  }
-
-  Result[InputArgv.size()] = 0;
-  return Result;
-}
-
-
 // callMainMethod - This is a nasty gross hack that will dissapear when
 // callMethod can parse command line options and stuff for us.
 //
@@ -289,8 +272,7 @@ bool Interpreter::callMainMethod(const string &Name,
       return true;
     }
 
-    GenericValue GV; GV.PointerVal = (uint64_t)CreateArgv(InputArgv);
-    Args.push_back(GV);
+    Args.push_back(CreateArgv(InputArgv));
   }
     // fallthrough
   case 1:
-- 
2.34.1