297 lines
15 KiB
C++
297 lines
15 KiB
C++
#include <Cli.hpp>
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#include <iostream>
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#include <stdexcept>
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#include <string>
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#include <vector>
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namespace {
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void require(bool condition, const std::string& message) {
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if (!condition) throw std::runtime_error(message);
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}
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Cli::Args parse(const std::vector<std::string>& arguments) {
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std::string program = "relinker";
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std::vector<char*> argv;
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argv.reserve(arguments.size() + 1);
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argv.push_back(program.data());
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std::vector<std::string> storage = arguments;
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for (auto& argument : storage) argv.push_back(argument.data());
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return Cli::ParseArgs(static_cast<int>(argv.size()), argv.data());
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}
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std::string join(const std::vector<std::string>& arguments) {
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std::string text;
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for (const auto& argument : arguments) text += (text.empty() ? "" : " ") + argument;
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return text;
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}
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void expectThrows(const std::vector<std::string>& arguments, const std::string& expectedMessage) {
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try {
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parse(arguments);
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} catch (const std::exception& error) {
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require(error.what() == expectedMessage,
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"wrong error for [" + join(arguments) + "]: got \"" + error.what() + "\", expected \"" + expectedMessage + "\"");
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return;
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}
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throw std::runtime_error("expected an exception for [" + join(arguments) + "]");
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}
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void expectUsage(const std::vector<std::string>& arguments) {
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try {
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parse(arguments);
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} catch (const std::exception& error) {
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require(std::string(error.what()).rfind("Usage: relinker", 0) == 0,
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"expected a usage message for [" + join(arguments) + "], got \"" + error.what() + "\"");
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return;
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}
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throw std::runtime_error("expected a usage message for [" + join(arguments) + "]");
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}
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void defaults() {
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const auto args = parse({"input.elf", "output.elf"});
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require(args.inputPath == "input.elf", "input path was not captured");
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require(args.outputPath == "output.elf", "output path was not captured");
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require(!args.skipSyscallCheck && !args.trapSdkSyscallStubs && !args.skipSceModule && !args.toIntel && !args.writeRegistry &&
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!args.toWindows && !args.lazyBinding && !args.autorun && !args.windowsDiagnostics && !args.windowsGui,
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"a flag defaulted to true");
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require(args.unusedFilterLevel == 0u, "unused filter level did not default to 0");
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require(args.runPath == "$ORIGIN/libs", "run path did not keep its default");
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require(args.excludedSceModules.empty(), "excluded modules were not empty by default");
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}
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void booleanFlags() {
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const auto args = parse({"--skip-syscall-check", "--skip-sce-module", "--to-intel", "--registry",
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"--windows", "--lazy-binding", "--autorun", "--windows-diagnostics", "--windows-gui",
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"input.elf", "output.elf"});
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require(args.skipSyscallCheck, "--skip-syscall-check was ignored");
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require(args.skipSceModule, "--skip-sce-module was ignored");
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require(args.toIntel, "--to-intel was ignored");
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require(args.writeRegistry, "--registry was ignored");
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require(args.toWindows, "--windows was ignored");
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require(args.lazyBinding, "--lazy-binding was ignored");
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require(args.autorun, "--autorun was ignored");
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require(args.windowsDiagnostics, "--windows-diagnostics was ignored");
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require(args.windowsGui, "--windows-gui was ignored");
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require(args.inputPath == "input.elf" && args.outputPath == "output.elf", "flags consumed the positional paths");
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}
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void trapSdkSyscallStubs() {
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const auto args = parse({"--trap-sdk-syscall-stubs", "input.elf", "output.elf"});
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require(args.trapSdkSyscallStubs, "--trap-sdk-syscall-stubs was ignored");
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expectThrows({"--skip-syscall-check", "--trap-sdk-syscall-stubs", "input.elf", "output.elf"},
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"--skip-syscall-check conflicts with --trap-sdk-syscall-stubs");
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}
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void positionalsInterleaveWithFlags() {
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const auto args = parse({"--windows", "input.elf", "--registry", "output.elf", "--autorun"});
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require(args.toWindows && args.writeRegistry && args.autorun, "a flag after a positional was ignored");
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require(args.inputPath == "input.elf" && args.outputPath == "output.elf", "positionals were misordered around flags");
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}
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void singleDashIsPositional() {
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const auto args = parse({"-x", "-o"});
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require(args.inputPath == "-x" && args.outputPath == "-o", "a single-dash argument was not treated as a positional");
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}
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void rpath() {
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const auto args = parse({"--rpath", "/custom/libs", "input.elf", "output.elf"});
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require(args.runPath == "/custom/libs", "--rpath value was not captured");
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}
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void rpathConsumesNextTokenVerbatim() {
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const auto args = parse({"--rpath", "--windows", "input.elf", "output.elf"});
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require(args.runPath == "--windows", "--rpath did not consume the following token as its value");
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require(!args.toWindows, "the token consumed by --rpath was also parsed as a flag");
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}
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void rpathWithoutValue() {
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expectThrows({"--rpath"}, "--rpath requires a value");
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}
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void excludeSceModule() {
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const auto args = parse({"--exclude-sce-module", "libc.prx", "--exclude-sce-module", "libkernel.prx",
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"input.elf", "output.elf"});
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require(args.excludedSceModules.size() == 2, "both excluded modules were not recorded");
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require(args.excludedSceModules.count("libc.prx") == 1 && args.excludedSceModules.count("libkernel.prx") == 1,
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"an excluded module name was lost");
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}
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void excludeSceModuleConsumesNextTokenVerbatim() {
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const auto args = parse({"--exclude-sce-module", "--skip-sce-module", "input.elf", "output.elf"});
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require(args.excludedSceModules.count("--skip-sce-module") == 1, "--exclude-sce-module did not consume the following token as its value");
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require(!args.skipSceModule, "the token consumed by --exclude-sce-module was also parsed as a flag");
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}
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void excludeSceModuleWithoutValue() {
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expectThrows({"--exclude-sce-module"}, "--exclude-sce-module requires a file name");
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}
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void excludeConflictsWithSkip() {
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const std::string message = "--exclude-sce-module conflicts with --skip-sce-module";
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expectThrows({"--skip-sce-module", "--exclude-sce-module", "m", "input.elf", "output.elf"}, message);
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expectThrows({"--exclude-sce-module", "m", "--skip-sce-module", "input.elf", "output.elf"}, message);
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}
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void executables() {
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const auto args = parse({"--executable", "picker/picker.bin", "input.elf", "--executable", "es-de/es-de.bin", "output.elf"});
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require(args.executables == std::vector<std::string>{"picker/picker.bin", "es-de/es-de.bin"}, "--executable paths were not recorded in order");
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expectThrows({"--executable"}, "--executable requires a nonempty path");
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expectThrows({"--executable", "", "input.elf", "output.elf"}, "--executable requires a nonempty path");
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expectThrows({"--executable", "--registry", "input.elf", "output.elf"}, "--executable requires a nonempty path");
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expectThrows({"--skip-sce-module", "--executable", "picker.bin", "input.elf", "output.elf"}, "--executable conflicts with --skip-sce-module");
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}
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void unusedFilter() {
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for (const auto& value : {std::string("0"), std::string("1"), std::string("2")}) {
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const auto args = parse({"unused-filter=" + value, "input.elf", "output.elf"});
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require(args.unusedFilterLevel == static_cast<std::uint32_t>(value[0] - '0'),
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"unused-filter=" + value + " produced the wrong level");
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}
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}
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void unusedFilterRejectsBadValues() {
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const std::string message = "unused-filter must be specified once with a value of 0, 1 or 2";
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expectThrows({"unused-filter=3", "input.elf", "output.elf"}, message);
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expectThrows({"unused-filter=", "input.elf", "output.elf"}, message);
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expectThrows({"unused-filter=12", "input.elf", "output.elf"}, message);
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expectThrows({"unused-filter=a", "input.elf", "output.elf"}, message);
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}
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void unusedFilterRejectsDuplicates() {
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expectThrows({"unused-filter=1", "unused-filter=2", "input.elf", "output.elf"},
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"unused-filter must be specified once with a value of 0, 1 or 2");
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}
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void unusedFilterBareWordIsUnknown() {
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expectThrows({"unused-filter", "input.elf", "output.elf"}, "unknown option: unused-filter");
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}
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void unknownOption() {
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expectThrows({"--nonexistent", "input.elf", "output.elf"}, "unknown option: --nonexistent");
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expectThrows({"--", "input.elf", "output.elf"}, "unknown option: --");
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}
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void emptyPositionals() {
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for (const auto& arguments : std::vector<std::vector<std::string>>{
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{"", "input.elf", "output.elf"}, {"input.elf", "", "output.elf"},
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{"", "output.elf"}, {"input.elf", ""}})
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expectThrows(arguments, "input and output paths must be nonempty");
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}
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void tooManyPositionals() {
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expectThrows({"input.elf", "output.elf", "extra.elf"}, "unexpected argument: extra.elf");
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}
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void windowsDiagnosticsRequiresWindows() {
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const std::string message = "--windows-diagnostics requires --windows";
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expectThrows({"--windows-diagnostics", "input.elf", "output.elf"}, message);
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const auto before = parse({"--windows-diagnostics", "--windows", "input.elf", "output.elf"});
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require(before.windowsDiagnostics && before.toWindows, "--windows-diagnostics before --windows was rejected");
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const auto after = parse({"--windows", "--windows-diagnostics", "input.elf", "output.elf"});
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require(after.windowsDiagnostics && after.toWindows, "--windows-diagnostics after --windows was rejected");
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}
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void windowsGuiRequiresWindows() {
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const std::string message = "--windows-gui requires --windows";
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expectThrows({"--windows-gui", "input.elf", "output.elf"}, message);
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const auto ok = parse({"--windows", "--windows-gui", "input.elf", "output.elf"});
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require(ok.windowsGui && ok.toWindows, "--windows-gui with --windows was rejected");
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}
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void missingPositionals() {
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expectUsage({});
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expectUsage({"input.elf"});
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expectUsage({"--windows"});
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expectUsage({"--rpath", "/libs"});
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}
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void windowsFixedBase() {
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require(!parse({"--windows", "input.elf", "output.exe"}).windowsFixedBase, "fixed base was enabled by default");
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for (const auto& value : {"0x400000", "0X400000", "4194304"}) {
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const auto args = parse({"--windows-fixed-base", value, "--windows", "input.elf", "output.exe"});
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require(args.windowsFixedBase == 0x400000, "fixed base was parsed incorrectly");
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}
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require(parse({"--windows", "--windows-fixed-base", "0x400000000", "input.elf", "output.exe"}).windowsFixedBase == 0x400000000, "fixed base was truncated to 32 bits");
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for (const auto& value : {"0", "0x10000", "0x400001", "0x", "-4194304", "+4194304", " 4194304", "0x400000junk", "18446744073709551616", "0x800000000000"})
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expectThrows({"--windows", "--windows-fixed-base", value, "input.elf", "output.exe"}, "--windows-fixed-base requires a 64 KiB-aligned address from 0x20000 through 0x7fffffff0000");
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expectThrows({"--windows-fixed-base"}, "--windows-fixed-base requires an address");
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expectThrows({"--windows-fixed-base", "--windows"}, "--windows-fixed-base requires an address");
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expectThrows({"--windows-fixed-base", "0x400000", "input.elf", "output.exe"}, "--windows-fixed-base requires --windows");
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expectThrows({"--macos", "--windows-fixed-base", "0x400000", "input.elf", "output.exe"}, "--windows-fixed-base requires --windows");
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expectThrows({"--windows", "--windows-fixed-base", "0x400000", "--windows-fixed-base", "0x800000", "input.elf", "output.exe"}, "--windows-fixed-base cannot be repeated");
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}
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}
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void moduleDirectories() {
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const auto args = parse({"--module-dir", "Media/Plugins", "input.elf", "--module-dir", "extra", "output.elf"});
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require(args.moduleDirectories == std::vector<std::string>{"Media/Plugins", "extra"}, "--module-dir directories were not recorded in order");
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require(args.inputPath == "input.elf" && args.outputPath == "output.elf", "--module-dir consumed a positional path");
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expectThrows({"--module-dir"}, "--module-dir requires a directory");
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expectThrows({"--skip-sce-module", "--module-dir", "Media/Plugins", "input.elf", "output.elf"}, "--module-dir conflicts with --skip-sce-module");
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expectThrows({"--module-dir", "Media/Plugins", "--skip-sce-module", "input.elf", "output.elf"}, "--module-dir conflicts with --skip-sce-module");
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}
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void sceModulePath() {
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const auto args = parse({"--sce-module-path", "modules", "input.elf", "output.elf"});
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require(args.sceModulePath == "modules", "--sce-module-path value was not captured");
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expectThrows({"--sce-module-path"}, "--sce-module-path requires a nonempty path");
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expectThrows({"--sce-module-path", "", "input.elf", "output.elf"}, "--sce-module-path requires a nonempty path");
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expectThrows({"--sce-module-path", "--registry", "input.elf", "output.elf"}, "--sce-module-path requires a nonempty path");
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expectThrows({"--sce-module-path", "a", "--sce-module-path", "b", "input.elf", "output.elf"}, "--sce-module-path must be specified once");
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expectThrows({"--skip-sce-module", "--sce-module-path", "modules", "input.elf", "output.elf"}, "--sce-module-path conflicts with --skip-sce-module");
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expectThrows({"--sce-module-path", "modules", "--skip-sce-module", "input.elf", "output.elf"}, "--sce-module-path conflicts with --skip-sce-module");
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}
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void targetSelection() {
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const auto macos = parse({"--macos", "input.elf", "output.elf"});
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require(macos.toMacos && !macos.toWindows, "--macos did not select only the macOS target");
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const auto rosetta = parse({"--to-rosetta", "input.elf", "output.elf"});
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require(rosetta.toRosetta && rosetta.toIntel, "--to-rosetta did not imply --to-intel");
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const auto rosettaOnMacos = parse({"--macos", "--to-rosetta", "input.elf", "output.elf"});
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require(rosettaOnMacos.toMacos && rosettaOnMacos.toRosetta && rosettaOnMacos.toIntel, "--to-rosetta was rejected with --macos");
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const std::string targetConflict = "--windows conflicts with --macos";
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expectThrows({"--windows", "--macos", "input.elf", "output.elf"}, targetConflict);
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expectThrows({"--macos", "--windows", "input.elf", "output.elf"}, targetConflict);
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const std::string rosettaConflict = "--to-rosetta conflicts with --windows";
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expectThrows({"--windows", "--to-rosetta", "input.elf", "output.elf"}, rosettaConflict);
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expectThrows({"--to-rosetta", "--windows", "input.elf", "output.elf"}, rosettaConflict);
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}
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int main() {
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try {
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defaults();
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booleanFlags();
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trapSdkSyscallStubs();
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positionalsInterleaveWithFlags();
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singleDashIsPositional();
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rpath();
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rpathConsumesNextTokenVerbatim();
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rpathWithoutValue();
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excludeSceModule();
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excludeSceModuleConsumesNextTokenVerbatim();
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excludeSceModuleWithoutValue();
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excludeConflictsWithSkip();
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moduleDirectories();
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sceModulePath();
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targetSelection();
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executables();
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unusedFilter();
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unusedFilterRejectsBadValues();
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unusedFilterRejectsDuplicates();
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unusedFilterBareWordIsUnknown();
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unknownOption();
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emptyPositionals();
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tooManyPositionals();
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windowsDiagnosticsRequiresWindows();
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windowsGuiRequiresWindows();
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missingPositionals();
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windowsFixedBase();
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} catch (const std::exception& error) {
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std::cerr << error.what() << '\n';
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return 1;
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}
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return 0;
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}
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