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//===- lld/unittest/GnuLdDriverTest.cpp -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief GNU ld driver tests.
///
//===----------------------------------------------------------------------===//
#include "DriverTest.h"
#include "lld/ReaderWriter/ELFLinkingContext.h"
using namespace llvm;
using namespace lld;
namespace {
class GnuLdParserTest
: public ParserTest<GnuLdDriver, std::unique_ptr<ELFLinkingContext>> {
protected:
const LinkingContext *linkingContext() override { return _context.get(); }
};
}
// All calls of parse() in this file has empty "--start-group" and "--end-group"
// options. This is a workaround for the current GNU-compatible driver. The
// driver complains if no input file is given, but if we give a file, it tries
// to read it to get magic bytes. It's not suitable for unit tests.
//
// TODO: Modify the driver to make it more test friendly.
TEST_F(GnuLdParserTest, Empty) {
EXPECT_FALSE(parse("ld", nullptr));
EXPECT_EQ(linkingContext(), nullptr);
EXPECT_EQ("No input files\n", errorMessage());
}
// -o
TEST_F(GnuLdParserTest, Output) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-o", "foo",
nullptr));
EXPECT_EQ("foo", _context->outputPath());
}
// --noinhibit-exec
TEST_F(GnuLdParserTest, NoinhibitExec) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--noinhibit-exec",
nullptr));
EXPECT_TRUE(_context->allowRemainingUndefines());
}
// --entry
TEST_F(GnuLdParserTest, Entry) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--entry", "foo",
nullptr));
EXPECT_EQ("foo", _context->entrySymbolName());
}
TEST_F(GnuLdParserTest, EntryShort) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-e", "foo",
nullptr));
EXPECT_EQ("foo", _context->entrySymbolName());
}
TEST_F(GnuLdParserTest, EntryJoined) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--entry=foo",
nullptr));
EXPECT_EQ("foo", _context->entrySymbolName());
}
// --init
TEST_F(GnuLdParserTest, Init) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-init", "foo",
"-init", "bar", nullptr));
EXPECT_EQ(2, _context->initFunctions().size());
EXPECT_EQ("foo", _context->initFunctions()[0]);
EXPECT_EQ("bar", _context->initFunctions()[1]);
}
TEST_F(GnuLdParserTest, InitJoined) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-init=foo",
nullptr));
EXPECT_EQ(1, _context->initFunctions().size());
EXPECT_EQ("foo", _context->initFunctions()[0]);
}
// --soname
TEST_F(GnuLdParserTest, SOName) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--soname=foo",
nullptr));
EXPECT_EQ("foo", _context->sharedObjectName());
}
TEST_F(GnuLdParserTest, SONameSingleDash) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-soname=foo",
nullptr));
EXPECT_EQ("foo", _context->sharedObjectName());
}
TEST_F(GnuLdParserTest, SONameH) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-h", "foo",
nullptr));
EXPECT_EQ("foo", _context->sharedObjectName());
}
// -rpath
TEST_F(GnuLdParserTest, Rpath) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-rpath", "foo:bar",
nullptr));
EXPECT_EQ(2, _context->getRpathList().size());
EXPECT_EQ("foo", _context->getRpathList()[0]);
EXPECT_EQ("bar", _context->getRpathList()[1]);
}
TEST_F(GnuLdParserTest, RpathEq) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "-rpath=foo",
nullptr));
EXPECT_EQ(1, _context->getRpathList().size());
EXPECT_EQ("foo", _context->getRpathList()[0]);
}
// --defsym
TEST_F(GnuLdParserTest, DefsymDecimal) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--defsym=sym=1000",
nullptr));
assert(_context.get());
auto map = _context->getAbsoluteSymbols();
EXPECT_EQ((size_t)1, map.size());
EXPECT_EQ((uint64_t)1000, map["sym"]);
}
TEST_F(GnuLdParserTest, DefsymHexadecimal) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--defsym=sym=0x1000",
nullptr));
auto map = _context->getAbsoluteSymbols();
EXPECT_EQ((size_t)1, map.size());
EXPECT_EQ((uint64_t)0x1000, map["sym"]);
}
TEST_F(GnuLdParserTest, DefsymAlias) {
EXPECT_TRUE(
parse("ld", "--start-group", "--end-group", "--defsym=sym=abc", nullptr));
auto map = _context->getAliases();
EXPECT_EQ((size_t)1, map.size());
EXPECT_EQ("abc", map["sym"]);
}
TEST_F(GnuLdParserTest, DefsymOctal) {
EXPECT_TRUE(parse("ld", "--start-group", "--end-group", "--defsym=sym=0777",
nullptr));
auto map = _context->getAbsoluteSymbols();
EXPECT_EQ((size_t)1, map.size());
EXPECT_EQ((uint64_t)0777, map["sym"]);
}
TEST_F(GnuLdParserTest, DefsymMisssingSymbol) {
EXPECT_FALSE(
parse("ld", "--start-group", "--end-group", "--defsym==0", nullptr));
}
TEST_F(GnuLdParserTest, DefsymMisssingValue) {
EXPECT_FALSE(
parse("ld", "--start-group", "--end-group", "--defsym=sym=", nullptr));
}
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