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	This is conventional command-line tool behavior. -f now just means "enable binary output on terminals". Add a -f option to llvm-extract and llvm-link, for consistency. Remove F_Force from raw_fd_ostream and enable overwriting and truncating by default. Introduce an F_Excl flag to permit users to enable a failure when the file already exists. This flag is currently unused. Update Makefiles and documentation accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79990 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			47 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===-- BitWriter.cpp -----------------------------------------------------===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "llvm-c/BitWriter.h"
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| #include "llvm/Bitcode/ReaderWriter.h"
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| #include "llvm/Support/raw_ostream.h"
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| using namespace llvm;
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| 
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| 
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| /*===-- Operations on modules ---------------------------------------------===*/
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| 
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| int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) {
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|   std::string ErrorInfo;
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|   raw_fd_ostream OS(Path, ErrorInfo,
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|                     raw_fd_ostream::F_Binary);
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|   
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|   if (!ErrorInfo.empty())
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|     return -1;
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|   
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|   WriteBitcodeToFile(unwrap(M), OS);
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|   return 0;
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| }
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| 
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| #if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR >= 4)
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| #include <ext/stdio_filebuf.h>
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| 
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| int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
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|   raw_fd_ostream OS(FileHandle, false);
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|   
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|   WriteBitcodeToFile(unwrap(M), OS);
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|   return 0;
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| }
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| 
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| #else
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| 
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| int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
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|   return -1; // Not supported.
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| }
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| 
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| #endif
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