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Add new linker

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-10-13 07:06:23 +00:00
parent 38c13463f6
commit 075a0b771e
4 changed files with 140 additions and 0 deletions
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6
tools/link/Makefile Normal file
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LEVEL = ../..
TOOLNAME = link
USEDLIBS = transforms bcreader bcwriter asmwriter analysis vmcore asmwriter support
include $(LEVEL)/Makefile.common

64
tools/link/link.cpp Normal file
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//===----------------------------------------------------------------------===//
// LLVM 'LINK' UTILITY
//
// This utility may be invoked in the following manner:
// link a.bc b.bc c.bc -o x.bc
//
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Linker.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Writer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Module.h"
#include "llvm/Method.h"
#include <fstream.h>
#include <memory>
cl::StringList InputFilenames("", "Load <arg> files, linking them together",
cl::OneOrMore);
cl::String OutputFilename("o", "Override output filename", cl::NoFlags, "-");
cl::Flag Force ("f", "Overwrite output files", cl::NoFlags, false);
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
assert(InputFilenames.size() > 0 && "OneOrMore is not working");
std::auto_ptr<Module> Composite(ParseBytecodeFile(InputFilenames[0]));
if (Composite.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[0] << "'\n";
return 1;
}
for (unsigned i = 1; i < InputFilenames.size(); ++i) {
auto_ptr<Module> M(ParseBytecodeFile(InputFilenames[i]));
if (M.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[i] << "'\n";
return 1;
}
string ErrorMessage;
if (LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
cerr << "Error linking in '" << InputFilenames[i] << "': "
<< ErrorMessage << endl;
return 1;
}
}
ostream *Out = &cout; // Default to printing to stdout...
if (OutputFilename != "-") {
Out = new ofstream(OutputFilename.c_str(),
(Force ? 0 : ios::noreplace)|ios::out);
if (!Out->good()) {
cerr << "Error opening '" << OutputFilename << "'!\n";
return 1;
}
}
WriteBytecodeToFile(Composite.get(), *Out);
if (Out != &cout) delete Out;
return 0;
}

6
tools/llvm-link/Makefile Normal file
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LEVEL = ../..
TOOLNAME = link
USEDLIBS = transforms bcreader bcwriter asmwriter analysis vmcore asmwriter support
include $(LEVEL)/Makefile.common

64
tools/llvm-link/llvm-link.cpp Normal file
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//===----------------------------------------------------------------------===//
// LLVM 'LINK' UTILITY
//
// This utility may be invoked in the following manner:
// link a.bc b.bc c.bc -o x.bc
//
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Linker.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Writer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Module.h"
#include "llvm/Method.h"
#include <fstream.h>
#include <memory>
cl::StringList InputFilenames("", "Load <arg> files, linking them together",
cl::OneOrMore);
cl::String OutputFilename("o", "Override output filename", cl::NoFlags, "-");
cl::Flag Force ("f", "Overwrite output files", cl::NoFlags, false);
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
assert(InputFilenames.size() > 0 && "OneOrMore is not working");
std::auto_ptr<Module> Composite(ParseBytecodeFile(InputFilenames[0]));
if (Composite.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[0] << "'\n";
return 1;
}
for (unsigned i = 1; i < InputFilenames.size(); ++i) {
auto_ptr<Module> M(ParseBytecodeFile(InputFilenames[i]));
if (M.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[i] << "'\n";
return 1;
}
string ErrorMessage;
if (LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
cerr << "Error linking in '" << InputFilenames[i] << "': "
<< ErrorMessage << endl;
return 1;
}
}
ostream *Out = &cout; // Default to printing to stdout...
if (OutputFilename != "-") {
Out = new ofstream(OutputFilename.c_str(),
(Force ? 0 : ios::noreplace)|ios::out);
if (!Out->good()) {
cerr << "Error opening '" << OutputFilename << "'!\n";
return 1;
}
}
WriteBytecodeToFile(Composite.get(), *Out);
if (Out != &cout) delete Out;
return 0;
}