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Supply a C interface to the "LinkModules" method.

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Patch by Andrew Wilkins!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156469 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2012-05-09 08:55:40 +00:00
parent b12af898c3
commit f24fde20c8
2 changed files with 57 additions and 0 deletions
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42
include/llvm-c/Linker.h Normal file
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@ -0,0 +1,42 @@
/*===-- llvm-c/Linker.h - Module Linker C Interface -------------*- C++ -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file defines the C interface to the module/file/archive linker. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_C_LINKER_H
#define LLVM_C_LINKER_H
#include "llvm-c/Core.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
LLVMLinkerDestroySource = 0, /* Allow source module to be destroyed. */
LLVMLinkerPreserveSource = 1 /* Preserve the source module. */
} LLVMLinkerMode;
/* Links the source module into the destination module, taking ownership
* of the source module away from the caller. Optionally returns a
* human-readable description of any errors that occurred in linking.
* OutMessage must be disposed with LLVMDisposeMessage. The return value
* is true if an error occurred, false otherwise. */
LLVMBool LLVMLinkModules(LLVMModuleRef Dest, LLVMModuleRef Src,
LLVMLinkerMode Mode, char **OutMessage);
#ifdef __cplusplus
}
#endif
#endif

15
lib/Linker/LinkModules.cpp
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@ -25,6 +25,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/Cloning.h"
#include "llvm/Transforms/Utils/ValueMapper.h"
#include "llvm-c/Linker.h"
#include <cctype>
using namespace llvm;
@ -1335,3 +1336,17 @@ bool Linker::LinkModules(Module *Dest, Module *Src, unsigned Mode,
return false;
}
//===----------------------------------------------------------------------===//
// C API.
//===----------------------------------------------------------------------===//
LLVMBool LLVMLinkModules(LLVMModuleRef Dest, LLVMModuleRef Src,
LLVMLinkerMode Mode, char **OutMessages) {
std::string Messages;
LLVMBool Result = Linker::LinkModules(unwrap(Dest), unwrap(Src),
Mode, OutMessages? &Messages : 0);
if (OutMessages)
*OutMessages = strdup(Messages.c_str());
return Result;
}