bool CoreDriver::link(llvm::ArrayRef<const char *> args,
raw_ostream &diagnostics) {
CoreLinkingContext ctx;
// Register possible input file parsers.
ctx.registry().addSupportYamlFiles();
ctx.registry().addKindTable(Reference::KindNamespace::testing,
Reference::KindArch::all, coreKindStrings);
if (!parse(args, ctx))
return false;
return Driver::link(ctx);
}
bool CoreDriver::link(int argc, const char *argv[], raw_ostream &diagnostics) {
CoreLinkingContext ctx;
if (!parse(argc, argv, ctx))
return false;
// Register possible input file parsers.
ctx.registry().addSupportNativeObjects();
ctx.registry().addSupportYamlFiles();
ctx.registry().addKindTable(Reference::KindNamespace::testing,
Reference::KindArch::all, coreKindStrings);
return Driver::link(ctx);
}
bool CoreDriver::parse(llvm::ArrayRef<const char *> args,
CoreLinkingContext &ctx, raw_ostream &diagnostics) {
// Parse command line options using CoreOptions.td
CoreOptTable table;
unsigned missingIndex;
unsigned missingCount;
llvm::opt::InputArgList parsedArgs =
table.ParseArgs(args.slice(1), missingIndex, missingCount);
if (missingCount) {
diagnostics << "error: missing arg value for '"
<< parsedArgs.getArgString(missingIndex) << "' expected "
<< missingCount << " argument(s).\n";
return false;
}
// Set default options
ctx.setOutputPath("-");
ctx.setDeadStripping(false);
ctx.setGlobalsAreDeadStripRoots(false);
ctx.setPrintRemainingUndefines(false);
ctx.setAllowRemainingUndefines(true);
ctx.setSearchArchivesToOverrideTentativeDefinitions(false);
// Process all the arguments and create input files.
for (auto inputArg : parsedArgs) {
switch (inputArg->getOption().getID()) {
case OPT_mllvm:
ctx.appendLLVMOption(inputArg->getValue());
break;
case OPT_entry:
ctx.setEntrySymbolName(inputArg->getValue());
break;
case OPT_output:
ctx.setOutputPath(inputArg->getValue());
break;
case OPT_dead_strip:
ctx.setDeadStripping(true);
break;
case OPT_keep_globals:
ctx.setGlobalsAreDeadStripRoots(true);
break;
case OPT_undefines_are_errors:
ctx.setPrintRemainingUndefines(true);
ctx.setAllowRemainingUndefines(false);
break;
case OPT_commons_search_archives:
ctx.setSearchArchivesToOverrideTentativeDefinitions(true);
break;
case OPT_add_pass:
ctx.addPassNamed(inputArg->getValue());
break;
case OPT_INPUT: {
std::vector<std::unique_ptr<File>> files
= loadFile(ctx, inputArg->getValue(), false);
for (std::unique_ptr<File> &file : files)
ctx.getNodes().push_back(llvm::make_unique<FileNode>(std::move(file)));
break;
}
default:
break;
}
}
if (ctx.getNodes().empty()) {
diagnostics << "No input files\n";
return false;
}
// Validate the combination of options used.
return ctx.validate(diagnostics);
}
bool CoreDriver::parse(int argc, const char *argv[], CoreLinkingContext &ctx,
raw_ostream &diagnostics) {
// Parse command line options using CoreOptions.td
std::unique_ptr<llvm::opt::InputArgList> parsedArgs;
CoreOptTable table;
unsigned missingIndex;
unsigned missingCount;
parsedArgs.reset(
table.ParseArgs(&argv[1], &argv[argc], missingIndex, missingCount));
if (missingCount) {
diagnostics << "error: missing arg value for '"
<< parsedArgs->getArgString(missingIndex) << "' expected "
<< missingCount << " argument(s).\n";
return false;
}
std::unique_ptr<InputGraph> inputGraph(new InputGraph());
// Set default options
ctx.setOutputPath("-");
ctx.setDeadStripping(false);
ctx.setGlobalsAreDeadStripRoots(false);
ctx.setPrintRemainingUndefines(false);
ctx.setAllowRemainingUndefines(true);
ctx.setSearchArchivesToOverrideTentativeDefinitions(false);
// Process all the arguments and create Input Elements
for (auto inputArg : *parsedArgs) {
switch (inputArg->getOption().getID()) {
case OPT_mllvm:
ctx.appendLLVMOption(inputArg->getValue());
break;
case OPT_entry:
ctx.setEntrySymbolName(inputArg->getValue());
break;
case OPT_output:
ctx.setOutputPath(inputArg->getValue());
break;
case OPT_dead_strip:
ctx.setDeadStripping(true);
break;
case OPT_keep_globals:
ctx.setGlobalsAreDeadStripRoots(true);
break;
case OPT_undefines_are_errors:
ctx.setPrintRemainingUndefines(true);
ctx.setAllowRemainingUndefines(false);
break;
case OPT_commons_search_archives:
ctx.setSearchArchivesToOverrideTentativeDefinitions(true);
break;
case OPT_add_pass:
ctx.addPassNamed(inputArg->getValue());
break;
case OPT_INPUT:
inputGraph->addInputElement(std::unique_ptr<InputElement>(
new COREFileNode(ctx, inputArg->getValue())));
break;
default:
break;
}
}
if (!inputGraph->size()) {
diagnostics << "No input files\n";
return false;
}
ctx.setInputGraph(std::move(inputGraph));
// Validate the combination of options used.
return ctx.validate(diagnostics);
}
