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Implement a -L command line argument to specify a search path. Implement minimal ar compatibility stuff

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llvm-svn: 975
This commit is contained in:
Chris Lattner 2001-10-24 06:23:00 +00:00
parent c3cee9637c
commit b75ed5de9d
2 changed files with 78 additions and 40 deletions
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59
tools/link/link.cpp
View File

@ -5,7 +5,7 @@
// link a.bc b.bc c.bc -o x.bc
//
// Alternatively, this can be used as an 'ar' tool as well. If invoked as
// either 'ar' or 'llvm-ar', it accepts a 'cr' parameter as well.
// either 'ar' or 'llvm-ar', it accepts a 'rc' parameter as well.
//
//===----------------------------------------------------------------------===//
@ -26,34 +26,53 @@ cl::String OutputFilename("o", "Override output filename", cl::NoFlags, "-");
cl::Flag Force ("f", "Overwrite output files", cl::NoFlags, false);
cl::Flag Verbose ("v", "Print information about actions taken");
cl::Flag DumpAsm ("d", "Print assembly as linked", cl::Hidden, false);
cl::StringList LibPaths ("L", "Specify a library search path", cl::ZeroOrMore);
static inline std::auto_ptr<Module> LoadFile(const string &FN) {
string Filename = FN;
string ErrorMessage;
unsigned NextLibPathIdx = 0;
while (1) {
if (Verbose) cerr << "Loading '" << Filename << "'\n";
Module *Result = ParseBytecodeFile(Filename, &ErrorMessage);
if (Result) return std::auto_ptr<Module>(Result); // Load successful!
if (Verbose) {
cerr << "Error opening bytecode file: '" << Filename << "'";
if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
cerr << endl;
}
if (NextLibPathIdx == LibPaths.size()) break;
Filename = LibPaths[NextLibPathIdx++] + "/" + FN;
}
cerr << "Could not locate bytecode file: '" << FN << "'\n";
return std::auto_ptr<Module>();
}
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
assert(InputFilenames.size() > 0 && "OneOrMore is not working");
// TODO: TEST argv[0]
unsigned BaseArg = 0;
string ErrorMessage;
if (Verbose) cerr << "Loading '" << InputFilenames[0] << "'\n";
std::auto_ptr<Module> Composite(ParseBytecodeFile(InputFilenames[0],
&ErrorMessage));
if (Composite.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[0] << "'";
if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
cerr << endl;
return 1;
// TODO: TEST argv[0] for llvm-ar forms... for now, this is a huge hack.
if (InputFilenames.size() >= 3 && InputFilenames[0] == "rc" &&
OutputFilename == "-") {
BaseArg = 2;
OutputFilename = InputFilenames[1];
}
for (unsigned i = 1; i < InputFilenames.size(); ++i) {
if (Verbose) cerr << "Loading '" << InputFilenames[i] << "'\n";
auto_ptr<Module> M(ParseBytecodeFile(InputFilenames[i], &ErrorMessage));
if (M.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[i] << "'";
if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
cerr << endl;
return 1;
}
std::auto_ptr<Module> Composite(LoadFile(InputFilenames[BaseArg]));
if (Composite.get() == 0) return 1;
for (unsigned i = BaseArg+1; i < InputFilenames.size(); ++i) {
auto_ptr<Module> M(LoadFile(InputFilenames[i]));
if (M.get() == 0) return 1;
if (Verbose) cerr << "Linking in '" << InputFilenames[i] << "'\n";

59
tools/llvm-link/llvm-link.cpp
View File

@ -5,7 +5,7 @@
// link a.bc b.bc c.bc -o x.bc
//
// Alternatively, this can be used as an 'ar' tool as well. If invoked as
// either 'ar' or 'llvm-ar', it accepts a 'cr' parameter as well.
// either 'ar' or 'llvm-ar', it accepts a 'rc' parameter as well.
//
//===----------------------------------------------------------------------===//
@ -26,34 +26,53 @@ cl::String OutputFilename("o", "Override output filename", cl::NoFlags, "-");
cl::Flag Force ("f", "Overwrite output files", cl::NoFlags, false);
cl::Flag Verbose ("v", "Print information about actions taken");
cl::Flag DumpAsm ("d", "Print assembly as linked", cl::Hidden, false);
cl::StringList LibPaths ("L", "Specify a library search path", cl::ZeroOrMore);
static inline std::auto_ptr<Module> LoadFile(const string &FN) {
string Filename = FN;
string ErrorMessage;
unsigned NextLibPathIdx = 0;
while (1) {
if (Verbose) cerr << "Loading '" << Filename << "'\n";
Module *Result = ParseBytecodeFile(Filename, &ErrorMessage);
if (Result) return std::auto_ptr<Module>(Result); // Load successful!
if (Verbose) {
cerr << "Error opening bytecode file: '" << Filename << "'";
if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
cerr << endl;
}
if (NextLibPathIdx == LibPaths.size()) break;
Filename = LibPaths[NextLibPathIdx++] + "/" + FN;
}
cerr << "Could not locate bytecode file: '" << FN << "'\n";
return std::auto_ptr<Module>();
}
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
assert(InputFilenames.size() > 0 && "OneOrMore is not working");
// TODO: TEST argv[0]
unsigned BaseArg = 0;
string ErrorMessage;
if (Verbose) cerr << "Loading '" << InputFilenames[0] << "'\n";
std::auto_ptr<Module> Composite(ParseBytecodeFile(InputFilenames[0],
&ErrorMessage));
if (Composite.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[0] << "'";
if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
cerr << endl;
return 1;
// TODO: TEST argv[0] for llvm-ar forms... for now, this is a huge hack.
if (InputFilenames.size() >= 3 && InputFilenames[0] == "rc" &&
OutputFilename == "-") {
BaseArg = 2;
OutputFilename = InputFilenames[1];
}
for (unsigned i = 1; i < InputFilenames.size(); ++i) {
if (Verbose) cerr << "Loading '" << InputFilenames[i] << "'\n";
auto_ptr<Module> M(ParseBytecodeFile(InputFilenames[i], &ErrorMessage));
if (M.get() == 0) {
cerr << "Error opening bytecode file: '" << InputFilenames[i] << "'";
if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
cerr << endl;
return 1;
}
std::auto_ptr<Module> Composite(LoadFile(InputFilenames[BaseArg]));
if (Composite.get() == 0) return 1;
for (unsigned i = BaseArg+1; i < InputFilenames.size(); ++i) {
auto_ptr<Module> M(LoadFile(InputFilenames[i]));
if (M.get() == 0) return 1;
if (Verbose) cerr << "Linking in '" << InputFilenames[i] << "'\n";