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Merge pull request #48 from birth-software/basic-clang-integration

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add clang libraries
This commit is contained in:
David 2024-01-29 18:53:52 +01:00 committed by GitHub
commit b1ec34232f
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9 changed files with 1750 additions and 56 deletions
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52
bootstrap/Compilation.zig
View File

@ -32,9 +32,25 @@ fn reportUnterminatedArgumentError(string: []const u8) noreturn {
std.debug.panic("Unterminated argument: {s}", .{string});
}
fn parseArguments(context: *const Context) !Descriptor {
const allocator = context.allocator;
const arguments = (try std.process.argsAlloc(allocator))[1..];
pub fn foo(context: *const Context) !Descriptor {
_ = context; // autofix
}
pub fn buildExecutable(allocator: Allocator, arguments: [][:0]u8) !void {
const context: *Context = try allocator.create(Context);
const self_exe_path = try std.fs.selfExePathAlloc(allocator);
const self_exe_dir_path = std.fs.path.dirname(self_exe_path).?;
context.* = .{
.allocator = allocator,
.cwd_absolute_path = try realpathAlloc(allocator, "."),
.executable_absolute_path = self_exe_path,
.directory_absolute_path = self_exe_dir_path,
.build_directory = try std.fs.cwd().makeOpenPath("nat", .{}),
};
try context.build_directory.makePath(cache_dir_name);
try context.build_directory.makePath(installation_dir_name);
var maybe_executable_path: ?[]const u8 = null;
var maybe_main_package_path: ?[]const u8 = null;
@ -196,7 +212,9 @@ fn parseArguments(context: *const Context) !Descriptor {
break :blk result;
};
return .{
const unit = try context.allocator.create(Unit);
unit.* = .{
.descriptor = .{
.main_package_path = main_package_path,
.executable_path = executable_path,
.target = target,
@ -210,29 +228,9 @@ fn parseArguments(context: *const Context) !Descriptor {
},
.generate_debug_information = generate_debug_information,
.name = executable_name,
};
}
pub fn init(allocator: Allocator) !void {
const context: *Context = try allocator.create(Context);
const self_exe_path = try std.fs.selfExePathAlloc(allocator);
const self_exe_dir_path = std.fs.path.dirname(self_exe_path).?;
context.* = .{
.allocator = allocator,
.cwd_absolute_path = try realpathAlloc(allocator, "."),
.executable_absolute_path = self_exe_path,
.directory_absolute_path = self_exe_dir_path,
.build_directory = try std.fs.cwd().makeOpenPath("nat", .{}),
},
};
try context.build_directory.makePath(cache_dir_name);
try context.build_directory.makePath(installation_dir_name);
const unit = try context.allocator.create(Unit);
unit.* = .{
.descriptor = try parseArguments(context),
};
try unit.compile(context);
}
@ -392,9 +390,10 @@ pub const Package = struct {
};
const LoggerScope = enum {
compilation,
lexer,
parser,
compilation,
llvm,
};
const Logger = enum {
@ -416,6 +415,7 @@ fn getLoggerScopeType(comptime logger_scope: LoggerScope) type {
.compilation => @This(),
.lexer => lexer,
.parser => parser,
.llvm => llvm,
};
}
}

1
bootstrap/backend/llvm.cpp
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@ -16,7 +16,6 @@
#include "lld/Common/CommonLinkerContext.h"
using namespace llvm;
extern "C" LLVMContext* NativityLLVMCreateContext()

22
bootstrap/backend/llvm.zig
View File

@ -3,6 +3,8 @@ const equal = std.mem.eql;
const Allocator = std.mem.Allocator;
const assert = std.debug.assert;
const Compilation = @import("../Compilation.zig");
const log = Compilation.log;
const logln = Compilation.logln;
const Module = Compilation.Module;
const data_structures = @import("../data_structures.zig");
const ArrayList = data_structures.ArrayList;
@ -10,6 +12,16 @@ const AutoHashMap = data_structures.AutoHashMap;
const bindings = @import("llvm_bindings.zig");
pub const Logger = enum {
print_module,
function,
pub var bitset = std.EnumSet(Logger).initMany(&.{
.print_module,
.function,
});
};
pub const LLVM = struct {
context: *LLVM.Context,
module: *LLVM.Module,
@ -3415,10 +3427,7 @@ pub fn codegen(unit: *Compilation.Unit, context: *const Compilation.Context) !vo
llvm.scope = subprogram.toLocalScope().toScope();
}
const print_function_name = true;
if (print_function_name) {
std.debug.print("[LLVM] Compiling {s}...\n", .{name});
}
logln(.llvm, .function, "[LLVM] Compiling {s}...\n", .{name});
llvm.arg_index = 0;
llvm.alloca_map.clearRetainingCapacity();
@ -3461,13 +3470,10 @@ pub fn codegen(unit: *Compilation.Unit, context: *const Compilation.Context) !vo
di_builder.finalize();
}
const print_module = true;
if (print_module) {
var module_len: usize = 0;
const module_ptr = llvm.module.toString(&module_len);
const module_string = module_ptr[0..module_len];
std.debug.print("{s}\n", .{module_string});
}
logln(.llvm, .print_module, "{s}", .{module_string});
const verify_module = true;
if (verify_module) {

293
bootstrap/frontend/clang/cc1.cpp Normal file
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@ -0,0 +1,293 @@
//===-- cc1_main.cpp - Clang CC1 Compiler Frontend ------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is the entry point to the clang -cc1 functionality, which implements the
// core compiler functionality along with a number of additional tools for
// demonstration and testing purposes.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/Stack.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
#include "clang/Config/config.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/TextDiagnosticBuffer.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Frontend/Utils.h"
#include "clang/FrontendTool/Utils.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/LinkAllPasses.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/OptTable.h"
#include "llvm/Support/BuryPointer.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/TimeProfiler.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include <cstdio>
#ifdef CLANG_HAVE_RLIMITS
#include <sys/resource.h>
#endif
using namespace clang;
using namespace llvm::opt;
//===----------------------------------------------------------------------===//
// Main driver
//===----------------------------------------------------------------------===//
static void LLVMErrorHandler(void *UserData, const char *Message,
bool GenCrashDiag) {
DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
Diags.Report(diag::err_fe_error_backend) << Message;
// Run the interrupt handlers to make sure any special cleanups get done, in
// particular that we remove files registered with RemoveFileOnSignal.
llvm::sys::RunInterruptHandlers();
// We cannot recover from llvm errors. When reporting a fatal error, exit
// with status 70 to generate crash diagnostics. For BSD systems this is
// defined as an internal software error. Otherwise, exit with status 1.
llvm::sys::Process::Exit(GenCrashDiag ? 70 : 1);
}
#ifdef CLANG_HAVE_RLIMITS
#if defined(__linux__) && defined(__PIE__)
static size_t getCurrentStackAllocation() {
// If we can't compute the current stack usage, allow for 512K of command
// line arguments and environment.
size_t Usage = 512 * 1024;
if (FILE *StatFile = fopen("/proc/self/stat", "r")) {
// We assume that the stack extends from its current address to the end of
// the environment space. In reality, there is another string literal (the
// program name) after the environment, but this is close enough (we only
// need to be within 100K or so).
unsigned long StackPtr, EnvEnd;
// Disable silly GCC -Wformat warning that complains about length
// modifiers on ignored format specifiers. We want to retain these
// for documentation purposes even though they have no effect.
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat"
#endif
if (fscanf(StatFile,
"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*lu %*lu %*lu %*lu %*lu "
"%*lu %*ld %*ld %*ld %*ld %*ld %*ld %*llu %*lu %*ld %*lu %*lu "
"%*lu %*lu %lu %*lu %*lu %*lu %*lu %*lu %*llu %*lu %*lu %*d %*d "
"%*u %*u %*llu %*lu %*ld %*lu %*lu %*lu %*lu %*lu %*lu %lu %*d",
&StackPtr, &EnvEnd) == 2) {
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
Usage = StackPtr < EnvEnd ? EnvEnd - StackPtr : StackPtr - EnvEnd;
}
fclose(StatFile);
}
return Usage;
}
#include <alloca.h>
LLVM_ATTRIBUTE_NOINLINE
static void ensureStackAddressSpace() {
// Linux kernels prior to 4.1 will sometimes locate the heap of a PIE binary
// relatively close to the stack (they are only guaranteed to be 128MiB
// apart). This results in crashes if we happen to heap-allocate more than
// 128MiB before we reach our stack high-water mark.
//
// To avoid these crashes, ensure that we have sufficient virtual memory
// pages allocated before we start running.
size_t Curr = getCurrentStackAllocation();
const int kTargetStack = DesiredStackSize - 256 * 1024;
if (Curr < kTargetStack) {
volatile char *volatile Alloc =
static_cast<volatile char *>(alloca(kTargetStack - Curr));
Alloc[0] = 0;
Alloc[kTargetStack - Curr - 1] = 0;
}
}
#else
static void ensureStackAddressSpace() {}
#endif
/// Attempt to ensure that we have at least 8MiB of usable stack space.
static void ensureSufficientStack() {
struct rlimit rlim;
if (getrlimit(RLIMIT_STACK, &rlim) != 0)
return;
// Increase the soft stack limit to our desired level, if necessary and
// possible.
if (rlim.rlim_cur != RLIM_INFINITY &&
rlim.rlim_cur < rlim_t(DesiredStackSize)) {
// Try to allocate sufficient stack.
if (rlim.rlim_max == RLIM_INFINITY ||
rlim.rlim_max >= rlim_t(DesiredStackSize))
rlim.rlim_cur = DesiredStackSize;
else if (rlim.rlim_cur == rlim.rlim_max)
return;
else
rlim.rlim_cur = rlim.rlim_max;
if (setrlimit(RLIMIT_STACK, &rlim) != 0 ||
rlim.rlim_cur != DesiredStackSize)
return;
}
// We should now have a stack of size at least DesiredStackSize. Ensure
// that we can actually use that much, if necessary.
ensureStackAddressSpace();
}
#else
static void ensureSufficientStack() {}
#endif
/// Print supported cpus of the given target.
static int PrintSupportedCPUs(std::string TargetStr) {
std::string Error;
const llvm::Target *TheTarget =
llvm::TargetRegistry::lookupTarget(TargetStr, Error);
if (!TheTarget) {
llvm::errs() << Error;
return 1;
}
// the target machine will handle the mcpu printing
llvm::TargetOptions Options;
std::unique_ptr<llvm::TargetMachine> TheTargetMachine(
TheTarget->createTargetMachine(TargetStr, "", "+cpuhelp", Options,
std::nullopt));
return 0;
}
int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
ensureSufficientStack();
std::unique_ptr<CompilerInstance> Clang(new CompilerInstance());
IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
// Register the support for object-file-wrapped Clang modules.
auto PCHOps = Clang->getPCHContainerOperations();
PCHOps->registerWriter(std::make_unique<ObjectFilePCHContainerWriter>());
PCHOps->registerReader(std::make_unique<ObjectFilePCHContainerReader>());
// Initialize targets first, so that --version shows registered targets.
llvm::InitializeAllTargets();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllAsmParsers();
// Buffer diagnostics from argument parsing so that we can output them using a
// well formed diagnostic object.
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
TextDiagnosticBuffer *DiagsBuffer = new TextDiagnosticBuffer;
DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagsBuffer);
// Setup round-trip remarks for the DiagnosticsEngine used in CreateFromArgs.
if (find(Argv, StringRef("-Rround-trip-cc1-args")) != Argv.end())
Diags.setSeverity(diag::remark_cc1_round_trip_generated,
diag::Severity::Remark, {});
bool Success = CompilerInvocation::CreateFromArgs(Clang->getInvocation(),
Argv, Diags, Argv0);
if (!Clang->getFrontendOpts().TimeTracePath.empty()) {
llvm::timeTraceProfilerInitialize(
Clang->getFrontendOpts().TimeTraceGranularity, Argv0);
}
// --print-supported-cpus takes priority over the actual compilation.
if (Clang->getFrontendOpts().PrintSupportedCPUs)
return PrintSupportedCPUs(Clang->getTargetOpts().Triple);
// Infer the builtin include path if unspecified.
if (Clang->getHeaderSearchOpts().UseBuiltinIncludes &&
Clang->getHeaderSearchOpts().ResourceDir.empty())
Clang->getHeaderSearchOpts().ResourceDir =
CompilerInvocation::GetResourcesPath(Argv0, MainAddr);
// Create the actual diagnostics engine.
Clang->createDiagnostics();
if (!Clang->hasDiagnostics())
return 1;
// Set an error handler, so that any LLVM backend diagnostics go through our
// error handler.
llvm::install_fatal_error_handler(LLVMErrorHandler,
static_cast<void*>(&Clang->getDiagnostics()));
DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
if (!Success) {
Clang->getDiagnosticClient().finish();
return 1;
}
// Execute the frontend actions.
{
llvm::TimeTraceScope TimeScope("ExecuteCompiler");
Success = ExecuteCompilerInvocation(Clang.get());
}
// If any timers were active but haven't been destroyed yet, print their
// results now. This happens in -disable-free mode.
llvm::TimerGroup::printAll(llvm::errs());
llvm::TimerGroup::clearAll();
if (llvm::timeTraceProfilerEnabled()) {
// It is possible that the compiler instance doesn't own a file manager here
// if we're compiling a module unit. Since the file manager are owned by AST
// when we're compiling a module unit. So the file manager may be invalid
// here.
//
// It should be fine to create file manager here since the file system
// options are stored in the compiler invocation and we can recreate the VFS
// from the compiler invocation.
if (!Clang->hasFileManager())
Clang->createFileManager(createVFSFromCompilerInvocation(
Clang->getInvocation(), Clang->getDiagnostics()));
if (auto profilerOutput = Clang->createOutputFile(
Clang->getFrontendOpts().TimeTracePath, /*Binary=*/false,
/*RemoveFileOnSignal=*/false,
/*useTemporary=*/false)) {
llvm::timeTraceProfilerWrite(*profilerOutput);
profilerOutput.reset();
llvm::timeTraceProfilerCleanup();
Clang->clearOutputFiles(false);
}
}
// Our error handler depends on the Diagnostics object, which we're
// potentially about to delete. Uninstall the handler now so that any
// later errors use the default handling behavior instead.
llvm::remove_fatal_error_handler();
// When running with -disable-free, don't do any destruction or shutdown.
if (Clang->getFrontendOpts().DisableFree) {
llvm::BuryPointer(std::move(Clang));
return !Success;
}
return !Success;
}

682
bootstrap/frontend/clang/cc1as.cpp Normal file
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@ -0,0 +1,682 @@
//===-- cc1as_main.cpp - Clang Assembler ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is the entry point to the clang -cc1as functionality, which implements
// the direct interface to the LLVM MC based assembler.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Frontend/Utils.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCTargetAsmParser.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/OptTable.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Host.h"
#include "llvm/TargetParser/Triple.h"
#include <memory>
#include <optional>
#include <system_error>
using namespace clang;
using namespace clang::driver;
using namespace clang::driver::options;
using namespace llvm;
using namespace llvm::opt;
namespace {
/// Helper class for representing a single invocation of the assembler.
struct AssemblerInvocation {
/// @name Target Options
/// @{
/// The name of the target triple to assemble for.
std::string Triple;
/// If given, the name of the target CPU to determine which instructions
/// are legal.
std::string CPU;
/// The list of target specific features to enable or disable -- this should
/// be a list of strings starting with '+' or '-'.
std::vector<std::string> Features;
/// The list of symbol definitions.
std::vector<std::string> SymbolDefs;
/// @}
/// @name Language Options
/// @{
std::vector<std::string> IncludePaths;
unsigned NoInitialTextSection : 1;
unsigned SaveTemporaryLabels : 1;
unsigned GenDwarfForAssembly : 1;
unsigned RelaxELFRelocations : 1;
unsigned Dwarf64 : 1;
unsigned DwarfVersion;
std::string DwarfDebugFlags;
std::string DwarfDebugProducer;
std::string DebugCompilationDir;
llvm::SmallVector<std::pair<std::string, std::string>, 0> DebugPrefixMap;
llvm::DebugCompressionType CompressDebugSections =
llvm::DebugCompressionType::None;
std::string MainFileName;
std::string SplitDwarfOutput;
/// @}
/// @name Frontend Options
/// @{
std::string InputFile;
std::vector<std::string> LLVMArgs;
std::string OutputPath;
enum FileType {
FT_Asm, ///< Assembly (.s) output, transliterate mode.
FT_Null, ///< No output, for timing purposes.
FT_Obj ///< Object file output.
};
FileType OutputType;
unsigned ShowHelp : 1;
unsigned ShowVersion : 1;
/// @}
/// @name Transliterate Options
/// @{
unsigned OutputAsmVariant;
unsigned ShowEncoding : 1;
unsigned ShowInst : 1;
/// @}
/// @name Assembler Options
/// @{
unsigned RelaxAll : 1;
unsigned NoExecStack : 1;
unsigned FatalWarnings : 1;
unsigned NoWarn : 1;
unsigned NoTypeCheck : 1;
unsigned IncrementalLinkerCompatible : 1;
unsigned EmbedBitcode : 1;
/// Whether to emit DWARF unwind info.
EmitDwarfUnwindType EmitDwarfUnwind;
// Whether to emit compact-unwind for non-canonical entries.
// Note: maybe overriden by other constraints.
unsigned EmitCompactUnwindNonCanonical : 1;
/// The name of the relocation model to use.
std::string RelocationModel;
/// The ABI targeted by the backend. Specified using -target-abi. Empty
/// otherwise.
std::string TargetABI;
/// Darwin target variant triple, the variant of the deployment target
/// for which the code is being compiled.
std::optional<llvm::Triple> DarwinTargetVariantTriple;
/// The version of the darwin target variant SDK which was used during the
/// compilation
llvm::VersionTuple DarwinTargetVariantSDKVersion;
/// The name of a file to use with \c .secure_log_unique directives.
std::string AsSecureLogFile;
/// @}
public:
AssemblerInvocation() {
Triple = "";
NoInitialTextSection = 0;
InputFile = "-";
OutputPath = "-";
OutputType = FT_Asm;
OutputAsmVariant = 0;
ShowInst = 0;
ShowEncoding = 0;
RelaxAll = 0;
NoExecStack = 0;
FatalWarnings = 0;
NoWarn = 0;
NoTypeCheck = 0;
IncrementalLinkerCompatible = 0;
Dwarf64 = 0;
DwarfVersion = 0;
EmbedBitcode = 0;
EmitDwarfUnwind = EmitDwarfUnwindType::Default;
EmitCompactUnwindNonCanonical = false;
}
static bool CreateFromArgs(AssemblerInvocation &Res,
ArrayRef<const char *> Argv,
DiagnosticsEngine &Diags);
};
}
bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
ArrayRef<const char *> Argv,
DiagnosticsEngine &Diags) {
bool Success = true;
// Parse the arguments.
const OptTable &OptTbl = getDriverOptTable();
const unsigned IncludedFlagsBitmask = options::CC1AsOption;
unsigned MissingArgIndex, MissingArgCount;
InputArgList Args = OptTbl.ParseArgs(Argv, MissingArgIndex, MissingArgCount,
IncludedFlagsBitmask);
// Check for missing argument error.
if (MissingArgCount) {
Diags.Report(diag::err_drv_missing_argument)
<< Args.getArgString(MissingArgIndex) << MissingArgCount;
Success = false;
}
// Issue errors on unknown arguments.
for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
auto ArgString = A->getAsString(Args);
std::string Nearest;
if (OptTbl.findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
Diags.Report(diag::err_drv_unknown_argument) << ArgString;
else
Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
<< ArgString << Nearest;
Success = false;
}
// Construct the invocation.
// Target Options
Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
if (Arg *A = Args.getLastArg(options::OPT_darwin_target_variant_triple))
Opts.DarwinTargetVariantTriple = llvm::Triple(A->getValue());
if (Arg *A = Args.getLastArg(OPT_darwin_target_variant_sdk_version_EQ)) {
VersionTuple Version;
if (Version.tryParse(A->getValue()))
Diags.Report(diag::err_drv_invalid_value)
<< A->getAsString(Args) << A->getValue();
else
Opts.DarwinTargetVariantSDKVersion = Version;
}
Opts.CPU = std::string(Args.getLastArgValue(OPT_target_cpu));
Opts.Features = Args.getAllArgValues(OPT_target_feature);
// Use the default target triple if unspecified.
if (Opts.Triple.empty())
Opts.Triple = llvm::sys::getDefaultTargetTriple();
// Language Options
Opts.IncludePaths = Args.getAllArgValues(OPT_I);
Opts.NoInitialTextSection = Args.hasArg(OPT_n);
Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
// Any DebugInfoKind implies GenDwarfForAssembly.
Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections_EQ)) {
Opts.CompressDebugSections =
llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
.Case("none", llvm::DebugCompressionType::None)
.Case("zlib", llvm::DebugCompressionType::Zlib)
.Case("zstd", llvm::DebugCompressionType::Zstd)
.Default(llvm::DebugCompressionType::None);
}
Opts.RelaxELFRelocations = !Args.hasArg(OPT_mrelax_relocations_no);
if (auto *DwarfFormatArg = Args.getLastArg(OPT_gdwarf64, OPT_gdwarf32))
Opts.Dwarf64 = DwarfFormatArg->getOption().matches(OPT_gdwarf64);
Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
Opts.DwarfDebugFlags =
std::string(Args.getLastArgValue(OPT_dwarf_debug_flags));
Opts.DwarfDebugProducer =
std::string(Args.getLastArgValue(OPT_dwarf_debug_producer));
if (const Arg *A = Args.getLastArg(options::OPT_ffile_compilation_dir_EQ,
options::OPT_fdebug_compilation_dir_EQ))
Opts.DebugCompilationDir = A->getValue();
Opts.MainFileName = std::string(Args.getLastArgValue(OPT_main_file_name));
for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ)) {
auto Split = StringRef(Arg).split('=');
Opts.DebugPrefixMap.emplace_back(Split.first, Split.second);
}
// Frontend Options
if (Args.hasArg(OPT_INPUT)) {
bool First = true;
for (const Arg *A : Args.filtered(OPT_INPUT)) {
if (First) {
Opts.InputFile = A->getValue();
First = false;
} else {
Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
Success = false;
}
}
}
Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
Opts.OutputPath = std::string(Args.getLastArgValue(OPT_o));
Opts.SplitDwarfOutput =
std::string(Args.getLastArgValue(OPT_split_dwarf_output));
if (Arg *A = Args.getLastArg(OPT_filetype)) {
StringRef Name = A->getValue();
unsigned OutputType = StringSwitch<unsigned>(Name)
.Case("asm", FT_Asm)
.Case("null", FT_Null)
.Case("obj", FT_Obj)
.Default(~0U);
if (OutputType == ~0U) {
Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
Success = false;
} else
Opts.OutputType = FileType(OutputType);
}
Opts.ShowHelp = Args.hasArg(OPT_help);
Opts.ShowVersion = Args.hasArg(OPT_version);
// Transliterate Options
Opts.OutputAsmVariant =
getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
Opts.ShowInst = Args.hasArg(OPT_show_inst);
// Assemble Options
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
Opts.NoTypeCheck = Args.hasArg(OPT_mno_type_check);
Opts.RelocationModel =
std::string(Args.getLastArgValue(OPT_mrelocation_model, "pic"));
Opts.TargetABI = std::string(Args.getLastArgValue(OPT_target_abi));
Opts.IncrementalLinkerCompatible =
Args.hasArg(OPT_mincremental_linker_compatible);
Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
// EmbedBitcode Option. If -fembed-bitcode is enabled, set the flag.
// EmbedBitcode behaves the same for all embed options for assembly files.
if (auto *A = Args.getLastArg(OPT_fembed_bitcode_EQ)) {
Opts.EmbedBitcode = llvm::StringSwitch<unsigned>(A->getValue())
.Case("all", 1)
.Case("bitcode", 1)
.Case("marker", 1)
.Default(0);
}
if (auto *A = Args.getLastArg(OPT_femit_dwarf_unwind_EQ)) {
Opts.EmitDwarfUnwind =
llvm::StringSwitch<EmitDwarfUnwindType>(A->getValue())
.Case("always", EmitDwarfUnwindType::Always)
.Case("no-compact-unwind", EmitDwarfUnwindType::NoCompactUnwind)
.Case("default", EmitDwarfUnwindType::Default);
}
Opts.EmitCompactUnwindNonCanonical =
Args.hasArg(OPT_femit_compact_unwind_non_canonical);
Opts.AsSecureLogFile = Args.getLastArgValue(OPT_as_secure_log_file);
return Success;
}
static std::unique_ptr<raw_fd_ostream>
getOutputStream(StringRef Path, DiagnosticsEngine &Diags, bool Binary) {
// Make sure that the Out file gets unlinked from the disk if we get a
// SIGINT.
if (Path != "-")
sys::RemoveFileOnSignal(Path);
std::error_code EC;
auto Out = std::make_unique<raw_fd_ostream>(
Path, EC, (Binary ? sys::fs::OF_None : sys::fs::OF_TextWithCRLF));
if (EC) {
Diags.Report(diag::err_fe_unable_to_open_output) << Path << EC.message();
return nullptr;
}
return Out;
}
static bool ExecuteAssemblerImpl(AssemblerInvocation &Opts,
DiagnosticsEngine &Diags) {
// Get the target specific parser.
std::string Error;
const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
if (!TheTarget)
return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
MemoryBuffer::getFileOrSTDIN(Opts.InputFile, /*IsText=*/true);
if (std::error_code EC = Buffer.getError()) {
return Diags.Report(diag::err_fe_error_reading)
<< Opts.InputFile << EC.message();
}
SourceMgr SrcMgr;
// Tell SrcMgr about this buffer, which is what the parser will pick up.
unsigned BufferIndex = SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
// Record the location of the include directories so that the lexer can find
// it later.
SrcMgr.setIncludeDirs(Opts.IncludePaths);
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
assert(MRI && "Unable to create target register info!");
MCTargetOptions MCOptions;
MCOptions.EmitDwarfUnwind = Opts.EmitDwarfUnwind;
MCOptions.EmitCompactUnwindNonCanonical = Opts.EmitCompactUnwindNonCanonical;
MCOptions.AsSecureLogFile = Opts.AsSecureLogFile;
std::unique_ptr<MCAsmInfo> MAI(
TheTarget->createMCAsmInfo(*MRI, Opts.Triple, MCOptions));
assert(MAI && "Unable to create target asm info!");
// Ensure MCAsmInfo initialization occurs before any use, otherwise sections
// may be created with a combination of default and explicit settings.
MAI->setCompressDebugSections(Opts.CompressDebugSections);
MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
if (Opts.OutputPath.empty())
Opts.OutputPath = "-";
std::unique_ptr<raw_fd_ostream> FDOS =
getOutputStream(Opts.OutputPath, Diags, IsBinary);
if (!FDOS)
return true;
std::unique_ptr<raw_fd_ostream> DwoOS;
if (!Opts.SplitDwarfOutput.empty())
DwoOS = getOutputStream(Opts.SplitDwarfOutput, Diags, IsBinary);
// Build up the feature string from the target feature list.
std::string FS = llvm::join(Opts.Features, ",");
std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
assert(STI && "Unable to create subtarget info!");
MCContext Ctx(Triple(Opts.Triple), MAI.get(), MRI.get(), STI.get(), &SrcMgr,
&MCOptions);
bool PIC = false;
if (Opts.RelocationModel == "static") {
PIC = false;
} else if (Opts.RelocationModel == "pic") {
PIC = true;
} else {
assert(Opts.RelocationModel == "dynamic-no-pic" &&
"Invalid PIC model!");
PIC = false;
}
// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
std::unique_ptr<MCObjectFileInfo> MOFI(
TheTarget->createMCObjectFileInfo(Ctx, PIC));
if (Opts.DarwinTargetVariantTriple)
MOFI->setDarwinTargetVariantTriple(*Opts.DarwinTargetVariantTriple);
if (!Opts.DarwinTargetVariantSDKVersion.empty())
MOFI->setDarwinTargetVariantSDKVersion(Opts.DarwinTargetVariantSDKVersion);
Ctx.setObjectFileInfo(MOFI.get());
if (Opts.SaveTemporaryLabels)
Ctx.setAllowTemporaryLabels(false);
if (Opts.GenDwarfForAssembly)
Ctx.setGenDwarfForAssembly(true);
if (!Opts.DwarfDebugFlags.empty())
Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
if (!Opts.DwarfDebugProducer.empty())
Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
if (!Opts.DebugCompilationDir.empty())
Ctx.setCompilationDir(Opts.DebugCompilationDir);
else {
// If no compilation dir is set, try to use the current directory.
SmallString<128> CWD;
if (!sys::fs::current_path(CWD))
Ctx.setCompilationDir(CWD);
}
if (!Opts.DebugPrefixMap.empty())
for (const auto &KV : Opts.DebugPrefixMap)
Ctx.addDebugPrefixMapEntry(KV.first, KV.second);
if (!Opts.MainFileName.empty())
Ctx.setMainFileName(StringRef(Opts.MainFileName));
Ctx.setDwarfFormat(Opts.Dwarf64 ? dwarf::DWARF64 : dwarf::DWARF32);
Ctx.setDwarfVersion(Opts.DwarfVersion);
if (Opts.GenDwarfForAssembly)
Ctx.setGenDwarfRootFile(Opts.InputFile,
SrcMgr.getMemoryBuffer(BufferIndex)->getBuffer());
std::unique_ptr<MCStreamer> Str;
std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
assert(MCII && "Unable to create instruction info!");
raw_pwrite_stream *Out = FDOS.get();
std::unique_ptr<buffer_ostream> BOS;
MCOptions.MCNoWarn = Opts.NoWarn;
MCOptions.MCFatalWarnings = Opts.FatalWarnings;
MCOptions.MCNoTypeCheck = Opts.NoTypeCheck;
MCOptions.ABIName = Opts.TargetABI;
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
MCInstPrinter *IP = TheTarget->createMCInstPrinter(
llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
std::unique_ptr<MCCodeEmitter> CE;
if (Opts.ShowEncoding)
CE.reset(TheTarget->createMCCodeEmitter(*MCII, Ctx));
std::unique_ptr<MCAsmBackend> MAB(
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
auto FOut = std::make_unique<formatted_raw_ostream>(*Out);
Str.reset(TheTarget->createAsmStreamer(
Ctx, std::move(FOut), /*asmverbose*/ true,
/*useDwarfDirectory*/ true, IP, std::move(CE), std::move(MAB),
Opts.ShowInst));
} else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
Str.reset(createNullStreamer(Ctx));
} else {
assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
"Invalid file type!");
if (!FDOS->supportsSeeking()) {
BOS = std::make_unique<buffer_ostream>(*FDOS);
Out = BOS.get();
}
std::unique_ptr<MCCodeEmitter> CE(
TheTarget->createMCCodeEmitter(*MCII, Ctx));
std::unique_ptr<MCAsmBackend> MAB(
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
assert(MAB && "Unable to create asm backend!");
std::unique_ptr<MCObjectWriter> OW =
DwoOS ? MAB->createDwoObjectWriter(*Out, *DwoOS)
: MAB->createObjectWriter(*Out);
Triple T(Opts.Triple);
Str.reset(TheTarget->createMCObjectStreamer(
T, Ctx, std::move(MAB), std::move(OW), std::move(CE), *STI,
Opts.RelaxAll, Opts.IncrementalLinkerCompatible,
/*DWARFMustBeAtTheEnd*/ true));
Str.get()->initSections(Opts.NoExecStack, *STI);
}
// When -fembed-bitcode is passed to clang_as, a 1-byte marker
// is emitted in __LLVM,__asm section if the object file is MachO format.
if (Opts.EmbedBitcode && Ctx.getObjectFileType() == MCContext::IsMachO) {
MCSection *AsmLabel = Ctx.getMachOSection(
"__LLVM", "__asm", MachO::S_REGULAR, 4, SectionKind::getReadOnly());
Str.get()->switchSection(AsmLabel);
Str.get()->emitZeros(1);
}
// Assembly to object compilation should leverage assembly info.
Str->setUseAssemblerInfoForParsing(true);
bool Failed = false;
std::unique_ptr<MCAsmParser> Parser(
createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
// FIXME: init MCTargetOptions from sanitizer flags here.
std::unique_ptr<MCTargetAsmParser> TAP(
TheTarget->createMCAsmParser(*STI, *Parser, *MCII, MCOptions));
if (!TAP)
Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
// Set values for symbols, if any.
for (auto &S : Opts.SymbolDefs) {
auto Pair = StringRef(S).split('=');
auto Sym = Pair.first;
auto Val = Pair.second;
int64_t Value;
// We have already error checked this in the driver.
Val.getAsInteger(0, Value);
Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
}
if (!Failed) {
Parser->setTargetParser(*TAP.get());
Failed = Parser->Run(Opts.NoInitialTextSection);
}
return Failed;
}
static bool ExecuteAssembler(AssemblerInvocation &Opts,
DiagnosticsEngine &Diags) {
bool Failed = ExecuteAssemblerImpl(Opts, Diags);
// Delete output file if there were errors.
if (Failed) {
if (Opts.OutputPath != "-")
sys::fs::remove(Opts.OutputPath);
if (!Opts.SplitDwarfOutput.empty() && Opts.SplitDwarfOutput != "-")
sys::fs::remove(Opts.SplitDwarfOutput);
}
return Failed;
}
static void LLVMErrorHandler(void *UserData, const char *Message,
bool GenCrashDiag) {
DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
Diags.Report(diag::err_fe_error_backend) << Message;
// We cannot recover from llvm errors.
sys::Process::Exit(1);
}
int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
// Initialize targets and assembly printers/parsers.
InitializeAllTargetInfos();
InitializeAllTargetMCs();
InitializeAllAsmParsers();
// Construct our diagnostic client.
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
TextDiagnosticPrinter *DiagClient
= new TextDiagnosticPrinter(errs(), &*DiagOpts);
DiagClient->setPrefix("clang -cc1as");
IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
// Set an error handler, so that any LLVM backend diagnostics go through our
// error handler.
ScopedFatalErrorHandler FatalErrorHandler
(LLVMErrorHandler, static_cast<void*>(&Diags));
// Parse the arguments.
AssemblerInvocation Asm;
if (!AssemblerInvocation::CreateFromArgs(Asm, Argv, Diags))
return 1;
if (Asm.ShowHelp) {
getDriverOptTable().printHelp(
llvm::outs(), "clang -cc1as [options] file...",
"Clang Integrated Assembler",
/*Include=*/driver::options::CC1AsOption, /*Exclude=*/0,
/*ShowAllAliases=*/false);
return 0;
}
// Honor -version.
//
// FIXME: Use a better -version message?
if (Asm.ShowVersion) {
llvm::cl::PrintVersionMessage();
return 0;
}
// Honor -mllvm.
//
// FIXME: Remove this, one day.
if (!Asm.LLVMArgs.empty()) {
unsigned NumArgs = Asm.LLVMArgs.size();
auto Args = std::make_unique<const char*[]>(NumArgs + 2);
Args[0] = "clang (LLVM option parsing)";
for (unsigned i = 0; i != NumArgs; ++i)
Args[i + 1] = Asm.LLVMArgs[i].c_str();
Args[NumArgs + 1] = nullptr;
llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
}
// Execute the invocation, unless there were parsing errors.
bool Failed = Diags.hasErrorOccurred() || ExecuteAssembler(Asm, Diags);
// If any timers were active but haven't been destroyed yet, print their
// results now.
TimerGroup::printAll(errs());
TimerGroup::clearAll();
return !!Failed;
}

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//===-- driver.cpp - Clang GCC-Compatible Driver --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is the entry point to the clang driver; it is a thin wrapper
// for functionality in the Driver clang library.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Driver.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/HeaderInclude.h"
#include "clang/Basic/Stack.h"
#include "clang/Config/config.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "clang/Driver/ToolChain.h"
#include "clang/Frontend/ChainedDiagnosticConsumer.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/SerializedDiagnosticPrinter.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Frontend/Utils.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/OptTable.h"
#include "llvm/Option/Option.h"
#include "llvm/Support/BuryPointer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/CrashRecoveryContext.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/LLVMDriver.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/Regex.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/StringSaver.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Host.h"
#include <memory>
#include <optional>
#include <set>
#include <system_error>
using namespace clang;
using namespace clang::driver;
using namespace llvm::opt;
std::string GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) {
if (!CanonicalPrefixes) {
SmallString<128> ExecutablePath(Argv0);
// Do a PATH lookup if Argv0 isn't a valid path.
if (!llvm::sys::fs::exists(ExecutablePath))
if (llvm::ErrorOr<std::string> P =
llvm::sys::findProgramByName(ExecutablePath))
ExecutablePath = *P;
return std::string(ExecutablePath.str());
}
// This just needs to be some symbol in the binary; C++ doesn't
// allow taking the address of ::main however.
void *P = (void*) (intptr_t) GetExecutablePath;
return llvm::sys::fs::getMainExecutable(Argv0, P);
}
static const char *GetStableCStr(std::set<std::string> &SavedStrings,
StringRef S) {
return SavedStrings.insert(std::string(S)).first->c_str();
}
/// ApplyQAOverride - Apply a list of edits to the input argument lists.
///
/// The input string is a space separate list of edits to perform,
/// they are applied in order to the input argument lists. Edits
/// should be one of the following forms:
///
/// '#': Silence information about the changes to the command line arguments.
///
/// '^': Add FOO as a new argument at the beginning of the command line.
///
/// '+': Add FOO as a new argument at the end of the command line.
///
/// 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
/// line.
///
/// 'xOPTION': Removes all instances of the literal argument OPTION.
///
/// 'XOPTION': Removes all instances of the literal argument OPTION,
/// and the following argument.
///
/// 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
/// at the end of the command line.
///
/// \param OS - The stream to write edit information to.
/// \param Args - The vector of command line arguments.
/// \param Edit - The override command to perform.
/// \param SavedStrings - Set to use for storing string representations.
static void ApplyOneQAOverride(raw_ostream &OS,
SmallVectorImpl<const char*> &Args,
StringRef Edit,
std::set<std::string> &SavedStrings) {
// This does not need to be efficient.
if (Edit[0] == '^') {
const char *Str =
GetStableCStr(SavedStrings, Edit.substr(1));
OS << "### Adding argument " << Str << " at beginning\n";
Args.insert(Args.begin() + 1, Str);
} else if (Edit[0] == '+') {
const char *Str =
GetStableCStr(SavedStrings, Edit.substr(1));
OS << "### Adding argument " << Str << " at end\n";
Args.push_back(Str);
} else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") &&
Edit.slice(2, Edit.size() - 1).contains('/')) {
StringRef MatchPattern = Edit.substr(2).split('/').first;
StringRef ReplPattern = Edit.substr(2).split('/').second;
ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1);
for (unsigned i = 1, e = Args.size(); i != e; ++i) {
// Ignore end-of-line response file markers
if (Args[i] == nullptr)
continue;
std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]);
if (Repl != Args[i]) {
OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n";
Args[i] = GetStableCStr(SavedStrings, Repl);
}
}
} else if (Edit[0] == 'x' || Edit[0] == 'X') {
auto Option = Edit.substr(1);
for (unsigned i = 1; i < Args.size();) {
if (Option == Args[i]) {
OS << "### Deleting argument " << Args[i] << '\n';
Args.erase(Args.begin() + i);
if (Edit[0] == 'X') {
if (i < Args.size()) {
OS << "### Deleting argument " << Args[i] << '\n';
Args.erase(Args.begin() + i);
} else
OS << "### Invalid X edit, end of command line!\n";
}
} else
++i;
}
} else if (Edit[0] == 'O') {
for (unsigned i = 1; i < Args.size();) {
const char *A = Args[i];
// Ignore end-of-line response file markers
if (A == nullptr)
continue;
if (A[0] == '-' && A[1] == 'O' &&
(A[2] == '\0' ||
(A[3] == '\0' && (A[2] == 's' || A[2] == 'z' ||
('0' <= A[2] && A[2] <= '9'))))) {
OS << "### Deleting argument " << Args[i] << '\n';
Args.erase(Args.begin() + i);
} else
++i;
}
OS << "### Adding argument " << Edit << " at end\n";
Args.push_back(GetStableCStr(SavedStrings, '-' + Edit.str()));
} else {
OS << "### Unrecognized edit: " << Edit << "\n";
}
}
/// ApplyQAOverride - Apply a comma separate list of edits to the
/// input argument lists. See ApplyOneQAOverride.
static void ApplyQAOverride(SmallVectorImpl<const char*> &Args,
const char *OverrideStr,
std::set<std::string> &SavedStrings) {
raw_ostream *OS = &llvm::errs();
if (OverrideStr[0] == '#') {
++OverrideStr;
OS = &llvm::nulls();
}
*OS << "### CCC_OVERRIDE_OPTIONS: " << OverrideStr << "\n";
// This does not need to be efficient.
const char *S = OverrideStr;
while (*S) {
const char *End = ::strchr(S, ' ');
if (!End)
End = S + strlen(S);
if (End != S)
ApplyOneQAOverride(*OS, Args, std::string(S, End), SavedStrings);
S = End;
if (*S != '\0')
++S;
}
}
extern int cc1_main(ArrayRef<const char *> Argv, const char *Argv0,
void *MainAddr);
extern int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0,
void *MainAddr);
static void insertTargetAndModeArgs(const ParsedClangName &NameParts,
SmallVectorImpl<const char *> &ArgVector,
std::set<std::string> &SavedStrings) {
// Put target and mode arguments at the start of argument list so that
// arguments specified in command line could override them. Avoid putting
// them at index 0, as an option like '-cc1' must remain the first.
int InsertionPoint = 0;
if (ArgVector.size() > 0)
++InsertionPoint;
if (NameParts.DriverMode) {
// Add the mode flag to the arguments.
ArgVector.insert(ArgVector.begin() + InsertionPoint,
GetStableCStr(SavedStrings, NameParts.DriverMode));
}
if (NameParts.TargetIsValid) {
const char *arr[] = {"-target", GetStableCStr(SavedStrings,
NameParts.TargetPrefix)};
ArgVector.insert(ArgVector.begin() + InsertionPoint,
std::begin(arr), std::end(arr));
}
}
static void getCLEnvVarOptions(std::string &EnvValue, llvm::StringSaver &Saver,
SmallVectorImpl<const char *> &Opts) {
llvm::cl::TokenizeWindowsCommandLine(EnvValue, Saver, Opts);
// The first instance of '#' should be replaced with '=' in each option.
for (const char *Opt : Opts)
if (char *NumberSignPtr = const_cast<char *>(::strchr(Opt, '#')))
*NumberSignPtr = '=';
}
template <class T>
static T checkEnvVar(const char *EnvOptSet, const char *EnvOptFile,
std::string &OptFile) {
const char *Str = ::getenv(EnvOptSet);
if (!Str)
return T{};
T OptVal = Str;
if (const char *Var = ::getenv(EnvOptFile))
OptFile = Var;
return OptVal;
}
static bool SetBackdoorDriverOutputsFromEnvVars(Driver &TheDriver) {
TheDriver.CCPrintOptions =
checkEnvVar<bool>("CC_PRINT_OPTIONS", "CC_PRINT_OPTIONS_FILE",
TheDriver.CCPrintOptionsFilename);
if (checkEnvVar<bool>("CC_PRINT_HEADERS", "CC_PRINT_HEADERS_FILE",
TheDriver.CCPrintHeadersFilename)) {
TheDriver.CCPrintHeadersFormat = HIFMT_Textual;
TheDriver.CCPrintHeadersFiltering = HIFIL_None;
} else {
std::string EnvVar = checkEnvVar<std::string>(
"CC_PRINT_HEADERS_FORMAT", "CC_PRINT_HEADERS_FILE",
TheDriver.CCPrintHeadersFilename);
if (!EnvVar.empty()) {
TheDriver.CCPrintHeadersFormat =
stringToHeaderIncludeFormatKind(EnvVar.c_str());
if (!TheDriver.CCPrintHeadersFormat) {
TheDriver.Diag(clang::diag::err_drv_print_header_env_var)
<< 0 << EnvVar;
return false;
}
const char *FilteringStr = ::getenv("CC_PRINT_HEADERS_FILTERING");
HeaderIncludeFilteringKind Filtering;
if (!stringToHeaderIncludeFiltering(FilteringStr, Filtering)) {
TheDriver.Diag(clang::diag::err_drv_print_header_env_var)
<< 1 << FilteringStr;
return false;
}
if ((TheDriver.CCPrintHeadersFormat == HIFMT_Textual &&
Filtering != HIFIL_None) ||
(TheDriver.CCPrintHeadersFormat == HIFMT_JSON &&
Filtering != HIFIL_Only_Direct_System)) {
TheDriver.Diag(clang::diag::err_drv_print_header_env_var_combination)
<< EnvVar << FilteringStr;
return false;
}
TheDriver.CCPrintHeadersFiltering = Filtering;
}
}
TheDriver.CCLogDiagnostics =
checkEnvVar<bool>("CC_LOG_DIAGNOSTICS", "CC_LOG_DIAGNOSTICS_FILE",
TheDriver.CCLogDiagnosticsFilename);
TheDriver.CCPrintProcessStats =
checkEnvVar<bool>("CC_PRINT_PROC_STAT", "CC_PRINT_PROC_STAT_FILE",
TheDriver.CCPrintStatReportFilename);
TheDriver.CCPrintInternalStats =
checkEnvVar<bool>("CC_PRINT_INTERNAL_STAT", "CC_PRINT_INTERNAL_STAT_FILE",
TheDriver.CCPrintInternalStatReportFilename);
return true;
}
static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
const std::string &Path) {
// If the clang binary happens to be named cl.exe for compatibility reasons,
// use clang-cl.exe as the prefix to avoid confusion between clang and MSVC.
StringRef ExeBasename(llvm::sys::path::stem(Path));
if (ExeBasename.equals_insensitive("cl"))
ExeBasename = "clang-cl";
DiagClient->setPrefix(std::string(ExeBasename));
}
static void SetInstallDir(SmallVectorImpl<const char *> &argv,
Driver &TheDriver, bool CanonicalPrefixes) {
// Attempt to find the original path used to invoke the driver, to determine
// the installed path. We do this manually, because we want to support that
// path being a symlink.
SmallString<128> InstalledPath(argv[0]);
// Do a PATH lookup, if there are no directory components.
if (llvm::sys::path::filename(InstalledPath) == InstalledPath)
if (llvm::ErrorOr<std::string> Tmp = llvm::sys::findProgramByName(
llvm::sys::path::filename(InstalledPath.str())))
InstalledPath = *Tmp;
// FIXME: We don't actually canonicalize this, we just make it absolute.
if (CanonicalPrefixes)
llvm::sys::fs::make_absolute(InstalledPath);
StringRef InstalledPathParent(llvm::sys::path::parent_path(InstalledPath));
if (llvm::sys::fs::exists(InstalledPathParent))
TheDriver.setInstalledDir(InstalledPathParent);
}
static int ExecuteCC1Tool(SmallVectorImpl<const char *> &ArgV,
const llvm::ToolContext &ToolContext) {
// If we call the cc1 tool from the clangDriver library (through
// Driver::CC1Main), we need to clean up the options usage count. The options
// are currently global, and they might have been used previously by the
// driver.
llvm::cl::ResetAllOptionOccurrences();
llvm::BumpPtrAllocator A;
llvm::cl::ExpansionContext ECtx(A, llvm::cl::TokenizeGNUCommandLine);
if (llvm::Error Err = ECtx.expandResponseFiles(ArgV)) {
llvm::errs() << toString(std::move(Err)) << '\n';
return 1;
}
StringRef Tool = ArgV[1];
void *GetExecutablePathVP = (void *)(intptr_t)GetExecutablePath;
if (Tool == "-cc1")
return cc1_main(ArrayRef(ArgV).slice(1), ArgV[0], GetExecutablePathVP);
if (Tool == "-cc1as")
return cc1as_main(ArrayRef(ArgV).slice(2), ArgV[0], GetExecutablePathVP);
// Reject unknown tools.
llvm::errs() << "error: unknown integrated tool '" << Tool << "'. "
<< "Valid tools include '-cc1' and '-cc1as'.\n";
return 1;
}
static int clang_main(int Argc, char **Argv, const llvm::ToolContext &ToolContext) {
noteBottomOfStack();
// ZIG PATCH: On Windows, InitLLVM calls GetCommandLineW(),
// and overwrites the args. We don't want it to do that,
// and we also don't need the signal handlers it installs
// (we have our own already), so we just use llvm_shutdown_obj
// instead.
// llvm::InitLLVM X(Argc, Argv);
llvm::llvm_shutdown_obj X;
llvm::setBugReportMsg("PLEASE submit a bug report to " BUG_REPORT_URL
" and include the crash backtrace, preprocessed "
"source, and associated run script.\n");
size_t argv_offset = (strcmp(Argv[1], "-cc1") == 0 || strcmp(Argv[1], "-cc1as") == 0) ? 0 : 1;
SmallVector<const char *, 256> Args(Argv + argv_offset, Argv + Argc);
if (llvm::sys::Process::FixupStandardFileDescriptors())
return 1;
llvm::InitializeAllTargets();
llvm::BumpPtrAllocator A;
llvm::StringSaver Saver(A);
const char *ProgName =
ToolContext.NeedsPrependArg ? ToolContext.PrependArg : ToolContext.Path;
bool ClangCLMode =
IsClangCL(getDriverMode(ProgName, llvm::ArrayRef(Args).slice(1)));
if (llvm::Error Err = expandResponseFiles(Args, ClangCLMode, A)) {
llvm::errs() << toString(std::move(Err)) << '\n';
return 1;
}
// Handle -cc1 integrated tools.
if (Args.size() >= 2 && StringRef(Args[1]).startswith("-cc1"))
return ExecuteCC1Tool(Args, ToolContext);
// Handle options that need handling before the real command line parsing in
// Driver::BuildCompilation()
bool CanonicalPrefixes = true;
for (int i = 1, size = Args.size(); i < size; ++i) {
// Skip end-of-line response file markers
if (Args[i] == nullptr)
continue;
if (StringRef(Args[i]) == "-canonical-prefixes")
CanonicalPrefixes = true;
else if (StringRef(Args[i]) == "-no-canonical-prefixes")
CanonicalPrefixes = false;
}
// Handle CL and _CL_ which permits additional command line options to be
// prepended or appended.
if (ClangCLMode) {
// Arguments in "CL" are prepended.
std::optional<std::string> OptCL = llvm::sys::Process::GetEnv("CL");
if (OptCL) {
SmallVector<const char *, 8> PrependedOpts;
getCLEnvVarOptions(*OptCL, Saver, PrependedOpts);
// Insert right after the program name to prepend to the argument list.
Args.insert(Args.begin() + 1, PrependedOpts.begin(), PrependedOpts.end());
}
// Arguments in "_CL_" are appended.
std::optional<std::string> Opt_CL_ = llvm::sys::Process::GetEnv("_CL_");
if (Opt_CL_) {
SmallVector<const char *, 8> AppendedOpts;
getCLEnvVarOptions(*Opt_CL_, Saver, AppendedOpts);
// Insert at the end of the argument list to append.
Args.append(AppendedOpts.begin(), AppendedOpts.end());
}
}
std::set<std::string> SavedStrings;
// Handle CCC_OVERRIDE_OPTIONS, used for editing a command line behind the
// scenes.
if (const char *OverrideStr = ::getenv("CCC_OVERRIDE_OPTIONS")) {
// FIXME: Driver shouldn't take extra initial argument.
ApplyQAOverride(Args, OverrideStr, SavedStrings);
}
std::string Path = GetExecutablePath(ToolContext.Path, CanonicalPrefixes);
// Whether the cc1 tool should be called inside the current process, or if we
// should spawn a new clang subprocess (old behavior).
// Not having an additional process saves some execution time of Windows,
// and makes debugging and profiling easier.
bool UseNewCC1Process = CLANG_SPAWN_CC1;
for (const char *Arg : Args)
UseNewCC1Process = llvm::StringSwitch<bool>(Arg)
.Case("-fno-integrated-cc1", true)
.Case("-fintegrated-cc1", false)
.Default(UseNewCC1Process);
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts =
CreateAndPopulateDiagOpts(Args);
TextDiagnosticPrinter *DiagClient
= new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
FixupDiagPrefixExeName(DiagClient, ProgName);
IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
if (!DiagOpts->DiagnosticSerializationFile.empty()) {
auto SerializedConsumer =
clang::serialized_diags::create(DiagOpts->DiagnosticSerializationFile,
&*DiagOpts, /*MergeChildRecords=*/true);
Diags.setClient(new ChainedDiagnosticConsumer(
Diags.takeClient(), std::move(SerializedConsumer)));
}
ProcessWarningOptions(Diags, *DiagOpts, /*ReportDiags=*/false);
Driver TheDriver(Path, llvm::sys::getDefaultTargetTriple(), Diags);
SetInstallDir(Args, TheDriver, CanonicalPrefixes);
auto TargetAndMode = ToolChain::getTargetAndModeFromProgramName(ProgName);
TheDriver.setTargetAndMode(TargetAndMode);
// If -canonical-prefixes is set, GetExecutablePath will have resolved Path
// to the llvm driver binary, not clang. In this case, we need to use
// PrependArg which should be clang-*. Checking just CanonicalPrefixes is
// safe even in the normal case because PrependArg will be null so
// setPrependArg will be a no-op.
if (ToolContext.NeedsPrependArg || CanonicalPrefixes)
TheDriver.setPrependArg(ToolContext.PrependArg);
insertTargetAndModeArgs(TargetAndMode, Args, SavedStrings);
if (!SetBackdoorDriverOutputsFromEnvVars(TheDriver))
return 1;
if (!UseNewCC1Process) {
TheDriver.CC1Main = [ToolContext](SmallVectorImpl<const char *> &ArgV) {
return ExecuteCC1Tool(ArgV, ToolContext);
};
// Ensure the CC1Command actually catches cc1 crashes
llvm::CrashRecoveryContext::Enable();
}
std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(Args));
Driver::ReproLevel ReproLevel = Driver::ReproLevel::OnCrash;
if (Arg *A = C->getArgs().getLastArg(options::OPT_gen_reproducer_eq)) {
auto Level =
llvm::StringSwitch<std::optional<Driver::ReproLevel>>(A->getValue())
.Case("off", Driver::ReproLevel::Off)
.Case("crash", Driver::ReproLevel::OnCrash)
.Case("error", Driver::ReproLevel::OnError)
.Case("always", Driver::ReproLevel::Always)
.Default(std::nullopt);
if (!Level) {
llvm::errs() << "Unknown value for " << A->getSpelling() << ": '"
<< A->getValue() << "'\n";
return 1;
}
ReproLevel = *Level;
}
if (!!::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH"))
ReproLevel = Driver::ReproLevel::Always;
int Res = 1;
bool IsCrash = false;
Driver::CommandStatus CommandStatus = Driver::CommandStatus::Ok;
// Pretend the first command failed if ReproStatus is Always.
const Command *FailingCommand = nullptr;
if (!C->getJobs().empty())
FailingCommand = &*C->getJobs().begin();
if (C && !C->containsError()) {
SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
Res = TheDriver.ExecuteCompilation(*C, FailingCommands);
for (const auto &P : FailingCommands) {
int CommandRes = P.first;
FailingCommand = P.second;
if (!Res)
Res = CommandRes;
// If result status is < 0, then the driver command signalled an error.
// If result status is 70, then the driver command reported a fatal error.
// On Windows, abort will return an exit code of 3. In these cases,
// generate additional diagnostic information if possible.
IsCrash = CommandRes < 0 || CommandRes == 70;
#ifdef _WIN32
IsCrash |= CommandRes == 3;
#endif
#if LLVM_ON_UNIX
// When running in integrated-cc1 mode, the CrashRecoveryContext returns
// the same codes as if the program crashed. See section "Exit Status for
// Commands":
// https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html
IsCrash |= CommandRes > 128;
#endif
CommandStatus =
IsCrash ? Driver::CommandStatus::Crash : Driver::CommandStatus::Error;
if (IsCrash)
break;
}
}
// Print the bug report message that would be printed if we did actually
// crash, but only if we're crashing due to FORCE_CLANG_DIAGNOSTICS_CRASH.
if (::getenv("FORCE_CLANG_DIAGNOSTICS_CRASH"))
llvm::dbgs() << llvm::getBugReportMsg();
if (FailingCommand != nullptr &&
TheDriver.maybeGenerateCompilationDiagnostics(CommandStatus, ReproLevel,
*C, *FailingCommand))
Res = 1;
Diags.getClient()->finish();
if (!UseNewCC1Process && IsCrash) {
// When crashing in -fintegrated-cc1 mode, bury the timer pointers, because
// the internal linked list might point to already released stack frames.
llvm::BuryPointer(llvm::TimerGroup::aquireDefaultGroup());
} else {
// If any timers were active but haven't been destroyed yet, print their
// results now. This happens in -disable-free mode.
llvm::TimerGroup::printAll(llvm::errs());
llvm::TimerGroup::clearAll();
}
#ifdef _WIN32
// Exit status should not be negative on Win32, unless abnormal termination.
// Once abnormal termination was caught, negative status should not be
// propagated.
if (Res < 0)
Res = 1;
#endif
// If we have multiple failing commands, we return the result of the first
// failing command.
return Res;
}
extern "C" int NativityClangMain(int argc, char **argv) {
return clang_main(argc, argv, {argv[0], nullptr, false});
}

62
bootstrap/main.zig
View File

@ -1,14 +1,66 @@
const std = @import("std");
const Allocator = std.mem.Allocator;
const equal = std.mem.eql;
const Compilation = @import("Compilation.zig");
pub const panic = Compilation.panic;
pub fn main() !void {
var arena_allocator = std.heap.ArenaAllocator.init(std.heap.page_allocator);
try Compilation.init(arena_allocator.allocator());
const env_detecting_libc_paths = "NATIVITY_IS_DETECTING_LIBC_PATHS";
fn todo() noreturn {
@setCold(true);
@panic("TODO");
}
test {
_ = Compilation;
pub fn main() !void {
var arena_allocator = std.heap.ArenaAllocator.init(std.heap.page_allocator);
const allocator = arena_allocator.allocator();
const arguments = try std.process.argsAlloc(allocator);
if (arguments.len <= 1) {
return error.InvalidInput;
}
if (std.process.can_execv and std.os.getenvZ(env_detecting_libc_paths) != null) {
todo();
}
const command = arguments[1];
const command_arguments = arguments[2..];
if (equal(u8, command, "build")) {
todo();
} else if (equal(u8, command, "clang") or equal(u8, command, "-cc1") or equal(u8, command, "-cc1as")) {
const exit_code = try clangMain(allocator, arguments);
std.process.exit(exit_code);
} else if (equal(u8, command, "cc")) {
// TODO: transform our arguments to Clang and invoke it
todo();
} else if (equal(u8, command, "c++")) {
// TODO: transform our arguments to Clang and invoke it
todo();
} else if (equal(u8, command, "exe")) {
try Compilation.buildExecutable(allocator, command_arguments);
} else if (equal(u8, command, "lib")) {
todo();
} else if (equal(u8, command, "obj")) {
todo();
} else {
todo();
}
}
fn argsCopyZ(alloc: Allocator, args: []const []const u8) ![:null]?[*:0]u8 {
var argv = try alloc.allocSentinel(?[*:0]u8, args.len, null);
for (args, 0..) |arg, i| {
argv[i] = try alloc.dupeZ(u8, arg); // TODO If there was an argsAllocZ we could avoid this allocation.
}
return argv;
}
extern "c" fn NativityClangMain(argc: c_int, argv: [*:null]?[*:0]u8) c_int;
fn clangMain(allocator: Allocator, arguments: []const []const u8) !u8 {
const argv = try argsCopyZ(allocator, arguments);
const exit_code = NativityClangMain(@as(c_int, @intCast(arguments.len)), argv.ptr);
return @as(u8, @bitCast(@as(i8, @truncate(exit_code))));
}

56
build.zig
View File

@ -98,11 +98,18 @@ pub fn build(b: *std.Build) !void {
const llvm_include_dir = try std.mem.concat(b.allocator, u8, &.{ llvm_path, "/include" });
const llvm_lib_dir = try std.mem.concat(b.allocator, u8, &.{ llvm_path, "/lib" });
compiler.addIncludePath(std.Build.LazyPath.relative(llvm_include_dir));
compiler.addCSourceFile(.{
.file = std.Build.LazyPath.relative("bootstrap/backend/llvm.cpp"),
const cpp_files = .{
"bootstrap/backend/llvm.cpp",
"bootstrap/frontend/clang/main.cpp",
"bootstrap/frontend/clang/cc1.cpp",
"bootstrap/frontend/clang/cc1as.cpp",
};
compiler.addCSourceFiles(.{
.files = &cpp_files,
.flags = &.{"-g"},
});
const zlib = if (target.result.os.tag == .windows) "zstd.lib" else "libzstd.a";
const llvm_libraries = [_][]const u8{
"libLLVMAArch64AsmParser.a",
"libLLVMAArch64CodeGen.a",
@ -294,8 +301,51 @@ pub fn build(b: *std.Build) !void {
"liblldMinGW.a",
"liblldWasm.a",
// Zlib
zlib,
"libz.a",
if (target.result.os.tag == .windows) "zstd.lib" else "libzstd.a",
// Clang
"libclangAnalysis.a",
"libclangAnalysisFlowSensitive.a",
"libclangAnalysisFlowSensitiveModels.a",
"libclangAPINotes.a",
"libclangARCMigrate.a",
"libclangAST.a",
"libclangASTMatchers.a",
"libclangBasic.a",
"libclangCodeGen.a",
"libclangCrossTU.a",
"libclangDependencyScanning.a",
"libclangDirectoryWatcher.a",
"libclangDriver.a",
"libclangDynamicASTMatchers.a",
"libclangEdit.a",
"libclangExtractAPI.a",
"libclangFormat.a",
"libclangFrontend.a",
"libclangFrontendTool.a",
"libclangHandleCXX.a",
"libclangHandleLLVM.a",
"libclangIndex.a",
"libclangIndexSerialization.a",
"libclangInterpreter.a",
"libclangLex.a",
"libclangParse.a",
"libclangRewrite.a",
"libclangRewriteFrontend.a",
"libclangSema.a",
"libclangSerialization.a",
"libclangStaticAnalyzerCheckers.a",
"libclangStaticAnalyzerCore.a",
"libclangStaticAnalyzerFrontend.a",
"libclangSupport.a",
"libclangTooling.a",
"libclangToolingASTDiff.a",
"libclangToolingCore.a",
"libclangToolingInclusions.a",
"libclangToolingInclusionsStdlib.a",
"libclangToolingRefactoring.a",
"libclangToolingSyntax.a",
"libclangTransformer.a",
};
for (llvm_libraries) |llvm_library| {

3
build/test_runner.zig
View File

@ -39,7 +39,8 @@ pub fn main() !void {
const source_file_path = try std.mem.concat(allocator, u8, &.{standalone_test_dir_path, "/", standalone_test_name, "/main.nat"});
const process_run = try std.ChildProcess.run(.{
.allocator = allocator,
.argv = &.{"zig-out/bin/nat", "-main_source_file", source_file_path},
// TODO: delete -main_source_file?
.argv = &.{"zig-out/bin/nat", "exe", "-main_source_file", source_file_path},
});
const result: TestError!bool = switch (process_run.term) {
.Exited => |exit_code| if (exit_code == 0) true else error.abnormal_exit_code,