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stage2: building mingw-w64 and COFF LDD linking

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still TODO is the task of creating import .lib files for DLLs on the fly
both for -lfoo and for e.g. `extern "kernel32"`
This commit is contained in:
Andrew Kelley 2020-09-28 00:06:06 -07:00
parent a9082b4ec5
commit 91a73a177b
15 changed files with 1505 additions and 155 deletions
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10
BRANCH_TODO
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@ -1,14 +1,13 @@
* COFF LLD linking
* mingw-w64
* add jobs to build import libs for windows DLLs for explicitly linked libs
* add jobs to build import libs for windows DLLs for extern "foo" functions used
* MachO LLD linking
* WASM LLD linking
* audit the CLI options for stage2
* audit the base cache hash
* On operating systems that support it, do an execve for `zig test` and `zig run` rather than child process.
* windows CUSTOMBUILD : error : unable to build compiler_rt: FileNotFound [D:\a\1\s\build\zig_install_lib_files.vcxproj]
* try building some software with zig cc to make sure it didn't regress
* `-ftime-report`
* -fstack-report print stack size diagnostics\n"
* try building some software with zig cc to make sure it didn't regress
* implement proper parsing of clang stderr/stdout and exposing compile errors with the Compilation API
* implement proper parsing of LLD stderr/stdout and exposing compile errors with the Compilation API
@ -35,6 +34,7 @@
* integrate target features into building assembly code
* libc_installation.zig: make it look for msvc only if msvc abi is chosen
* switch the default C ABI for windows to be mingw-w64
- make it .obj instead of .o always for coff
* change glibc log errors to normal exposed compile errors
* improve Directory.join to only use 1 allocation in a clean way.
* tracy builds with lc++
@ -48,3 +48,5 @@
* linking hello world with LLD, lld is silently calling exit(1) instead of reporting ok=false. when run standalone the error message is: ld.lld: error: section [index 3] has a sh_offset (0x57000) + sh_size (0x68) that is greater than the file size (0x57060)
* submit PR to godbolt and update the CLI options (see changes to test/cli.zig)
* make proposal about log levels
* proposal for changing fs Z/W functions to be native paths and have a way to do native path string literals
* proposal for block { break x; }

2
lib/std/zig.zig
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@ -93,7 +93,7 @@ pub fn binNameAlloc(allocator: *std.mem.Allocator, options: BinNameOptions) erro
};
return std.fmt.allocPrint(allocator, "{}{}{}", .{ target.libPrefix(), root_name, suffix });
},
.Obj => return std.fmt.allocPrint(allocator, "{}.obj", .{root_name}),
.Obj => return std.fmt.allocPrint(allocator, "{}{}", .{ root_name, target.abi.oFileExt() }),
},
.elf => switch (options.output_mode) {
.Exe => return allocator.dupe(u8, root_name),

8
src/Cache.zig
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@ -76,6 +76,14 @@ pub const HashHelper = struct {
for (list_of_bytes) |bytes| hh.addBytes(bytes);
}
pub fn addStringSet(hh: *HashHelper, hm: std.StringArrayHashMapUnmanaged(void)) void {
const entries = hm.items();
hh.add(entries.len);
for (entries) |entry| {
hh.addBytes(entry.key);
}
}
/// Convert the input value into bytes and record it as a dependency of the process being cached.
pub fn add(hh: *HashHelper, x: anytype) void {
switch (@TypeOf(x)) {

68
src/Compilation.zig
View File

@ -17,6 +17,7 @@ const build_options = @import("build_options");
const LibCInstallation = @import("libc_installation.zig").LibCInstallation;
const glibc = @import("glibc.zig");
const musl = @import("musl.zig");
const mingw = @import("mingw.zig");
const libunwind = @import("libunwind.zig");
const libcxx = @import("libcxx.zig");
const fatal = @import("main.zig").fatal;
@ -59,7 +60,6 @@ verbose_llvm_ir: bool,
verbose_cimport: bool,
verbose_llvm_cpu_features: bool,
disable_c_depfile: bool,
is_test: bool,
time_report: bool,
c_source_files: []const CSourceFile,
@ -150,8 +150,10 @@ const Job = union(enum) {
glibc_crt_file: glibc.CRTFile,
/// all of the glibc shared objects
glibc_shared_objects,
/// one of the glibc static objects
/// one of the musl static objects
musl_crt_file: musl.CRTFile,
/// one of the mingw-w64 static objects
mingw_crt_file: mingw.CRTFile,
/// libunwind.a, usually needed when linking libc
libunwind: void,
libcxx: void,
@ -719,6 +721,13 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
fatal("TODO implement support for -femit-h in the self-hosted backend", .{});
}
var system_libs: std.StringArrayHashMapUnmanaged(void) = .{};
errdefer system_libs.deinit(gpa);
try system_libs.ensureCapacity(gpa, options.system_libs.len);
for (options.system_libs) |lib_name| {
system_libs.putAssumeCapacity(lib_name, {});
}
const bin_file = try link.File.openPath(gpa, .{
.emit = bin_file_emit,
.root_name = root_name,
@ -736,7 +745,7 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
.objects = options.link_objects,
.frameworks = options.frameworks,
.framework_dirs = options.framework_dirs,
.system_libs = options.system_libs,
.system_libs = system_libs,
.lib_dirs = options.lib_dirs,
.rpath_list = options.rpath_list,
.strip = options.strip,
@ -769,6 +778,7 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
.each_lib_rpath = options.each_lib_rpath orelse false,
.disable_lld_caching = options.disable_lld_caching,
.subsystem = options.subsystem,
.is_test = options.is_test,
});
errdefer bin_file.destroy();
comp.* = .{
@ -804,7 +814,6 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
.verbose_llvm_cpu_features = options.verbose_llvm_cpu_features,
.disable_c_depfile = options.disable_c_depfile,
.owned_link_dir = owned_link_dir,
.is_test = options.is_test,
.color = options.color,
.time_report = options.time_report,
.test_filter = options.test_filter,
@ -847,8 +856,17 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
.{ .musl_crt_file = .libc_a },
});
}
if (comp.wantBuildMinGWW64FromSource()) {
@panic("TODO");
if (comp.wantBuildMinGWFromSource()) {
const static_lib_jobs = [_]Job{
.{ .mingw_crt_file = .mingw32_lib },
.{ .mingw_crt_file = .msvcrt_os_lib },
.{ .mingw_crt_file = .mingwex_lib },
.{ .mingw_crt_file = .uuid_lib },
};
const crt_job: Job = .{ .mingw_crt_file = if (is_dyn_lib) .dllcrt2_o else .crt2_o };
try comp.work_queue.ensureUnusedCapacity(static_lib_jobs.len + 1);
comp.work_queue.writeAssumeCapacity(&static_lib_jobs);
comp.work_queue.writeItemAssumeCapacity(crt_job);
}
if (comp.wantBuildLibUnwindFromSource()) {
try comp.work_queue.writeItem(.{ .libunwind = {} });
@ -1209,6 +1227,12 @@ pub fn performAllTheWork(self: *Compilation) error{OutOfMemory}!void {
fatal("unable to build musl CRT file: {}", .{@errorName(err)});
};
},
.mingw_crt_file => |crt_file| {
mingw.buildCRTFile(self, crt_file) catch |err| {
// TODO Expose this as a normal compile error rather than crashing here.
fatal("unable to build mingw-w64 CRT file: {}", .{@errorName(err)});
};
},
.libunwind => {
libunwind.buildStaticLib(self) catch |err| {
// TODO Expose this as a normal compile error rather than crashing here.
@ -2087,7 +2111,7 @@ fn detectLibCFromLibCInstallation(arena: *Allocator, target: Target, lci: *const
pub fn get_libc_crt_file(comp: *Compilation, arena: *Allocator, basename: []const u8) ![]const u8 {
if (comp.wantBuildGLibCFromSource() or
comp.wantBuildMuslFromSource() or
comp.wantBuildMinGWW64FromSource())
comp.wantBuildMinGWFromSource())
{
return comp.crt_files.get(basename).?.full_object_path;
}
@ -2125,7 +2149,7 @@ fn wantBuildMuslFromSource(comp: Compilation) bool {
return comp.wantBuildLibCFromSource() and comp.getTarget().isMusl();
}
fn wantBuildMinGWW64FromSource(comp: Compilation) bool {
fn wantBuildMinGWFromSource(comp: Compilation) bool {
return comp.wantBuildLibCFromSource() and comp.getTarget().isMinGW();
}
@ -2186,7 +2210,7 @@ pub fn generateBuiltinZigSource(comp: *Compilation, allocator: *Allocator) ![]u8
, .{
@tagName(comp.bin_file.options.output_mode),
@tagName(comp.bin_file.options.link_mode),
comp.is_test,
comp.bin_file.options.is_test,
comp.bin_file.options.single_threaded,
@tagName(target.abi),
@tagName(target.cpu.arch),
@ -2214,7 +2238,7 @@ pub fn generateBuiltinZigSource(comp: *Compilation, allocator: *Allocator) ![]u8
\\pub const os = Os{{
\\ .tag = .{},
\\ .version_range = .{{
,
,
.{@tagName(target.os.tag)},
);
@ -2283,7 +2307,7 @@ pub fn generateBuiltinZigSource(comp: *Compilation, allocator: *Allocator) ![]u8
\\ .max = {s},
\\ }}}},
\\
,
,
.{ windows.min, windows.max },
),
}
@ -2311,7 +2335,7 @@ pub fn generateBuiltinZigSource(comp: *Compilation, allocator: *Allocator) ![]u8
@tagName(comp.bin_file.options.machine_code_model),
});
if (comp.is_test) {
if (comp.bin_file.options.is_test) {
try buffer.appendSlice(
\\pub var test_functions: []TestFn = undefined; // overwritten later
\\
@ -2384,7 +2408,7 @@ fn buildStaticLibFromZig(comp: *Compilation, src_basename: []const u8, out: *?CR
.basename = bin_basename,
};
const optimize_mode: std.builtin.Mode = blk: {
if (comp.is_test)
if (comp.bin_file.options.is_test)
break :blk comp.bin_file.options.optimize_mode;
switch (comp.bin_file.options.optimize_mode) {
.Debug, .ReleaseFast, .ReleaseSafe => break :blk .ReleaseFast,
@ -2473,7 +2497,7 @@ fn updateStage1Module(comp: *Compilation) !void {
man.hash.add(target.os.getVersionRange());
man.hash.add(comp.bin_file.options.dll_export_fns);
man.hash.add(comp.bin_file.options.function_sections);
man.hash.add(comp.is_test);
man.hash.add(comp.bin_file.options.is_test);
man.hash.add(comp.bin_file.options.emit != null);
man.hash.add(comp.emit_h != null);
man.hash.add(comp.emit_asm != null);
@ -2537,7 +2561,7 @@ fn updateStage1Module(comp: *Compilation) !void {
zig_lib_dir.ptr,
zig_lib_dir.len,
stage2_target,
comp.is_test,
comp.bin_file.options.is_test,
) orelse return error.OutOfMemory;
const emit_bin_path = if (comp.bin_file.options.emit != null) blk: {
@ -2609,8 +2633,22 @@ fn updateStage1Module(comp: *Compilation) !void {
.verbose_cimport = comp.verbose_cimport,
.verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
.main_progress_node = main_progress_node,
.have_c_main = false,
.have_winmain = false,
.have_wwinmain = false,
.have_winmain_crt_startup = false,
.have_wwinmain_crt_startup = false,
.have_dllmain_crt_startup = false,
};
stage1_module.build_object();
mod.have_c_main = stage1_module.have_c_main;
mod.have_winmain = stage1_module.have_winmain;
mod.have_wwinmain = stage1_module.have_wwinmain;
mod.have_winmain_crt_startup = stage1_module.have_winmain_crt_startup;
mod.have_wwinmain_crt_startup = stage1_module.have_wwinmain_crt_startup;
mod.have_dllmain_crt_startup = stage1_module.have_dllmain_crt_startup;
stage1_module.destroy();
const digest = man.final();

9
src/Module.zig
View File

@ -75,6 +75,13 @@ global_error_set: std.StringHashMapUnmanaged(u16) = .{},
/// previous analysis.
generation: u32 = 0,
have_winmain: bool = false,
have_wwinmain: bool = false,
have_winmain_crt_startup: bool = false,
have_wwinmain_crt_startup: bool = false,
have_dllmain_crt_startup: bool = false,
have_c_main: bool = false,
pub const Export = struct {
options: std.builtin.ExportOptions,
/// Byte offset into the file that contains the export directive.
@ -2668,7 +2675,7 @@ pub fn coerce(self: *Module, scope: *Scope, dest_type: Type, inst: *Inst) !*Inst
const src_info = inst.ty.intInfo(self.getTarget());
const dst_info = dest_type.intInfo(self.getTarget());
if ((src_info.signed == dst_info.signed and dst_info.bits >= src_info.bits) or
// small enough unsigned ints can get casted to large enough signed ints
// small enough unsigned ints can get casted to large enough signed ints
(src_info.signed and !dst_info.signed and dst_info.bits > src_info.bits))
{
const b = try self.requireRuntimeBlock(scope, inst.src);

53
src/link.zig
View File

@ -36,7 +36,7 @@ pub const Options = struct {
root_name: []const u8,
/// Not every Compilation compiles .zig code! For example you could do `zig build-exe foo.o`.
module: ?*Module,
dynamic_linker: ?[]const u8 = null,
dynamic_linker: ?[]const u8,
/// Used for calculating how much space to reserve for symbols in case the binary file
/// does not already have a symbol table.
symbol_count_hint: u64 = 32,
@ -44,53 +44,54 @@ pub const Options = struct {
/// the binary file does not already have such a section.
program_code_size_hint: u64 = 256 * 1024,
entry_addr: ?u64 = null,
stack_size_override: ?u64 = null,
stack_size_override: ?u64,
/// Set to `true` to omit debug info.
strip: bool = false,
strip: bool,
/// If this is true then this link code is responsible for outputting an object
/// file and then using LLD to link it together with the link options and other objects.
/// Otherwise (depending on `use_llvm`) this link code directly outputs and updates the final binary.
use_lld: bool = false,
use_lld: bool,
/// If this is true then this link code is responsible for making an LLVM IR Module,
/// outputting it to an object file, and then linking that together with link options and
/// other objects.
/// Otherwise (depending on `use_lld`) this link code directly outputs and updates the final binary.
use_llvm: bool = false,
link_libc: bool = false,
link_libcpp: bool = false,
function_sections: bool = false,
eh_frame_hdr: bool = false,
rdynamic: bool = false,
z_nodelete: bool = false,
z_defs: bool = false,
use_llvm: bool,
link_libc: bool,
link_libcpp: bool,
function_sections: bool,
eh_frame_hdr: bool,
rdynamic: bool,
z_nodelete: bool,
z_defs: bool,
bind_global_refs_locally: bool,
is_native_os: bool,
pic: bool,
valgrind: bool,
stack_check: bool,
single_threaded: bool,
verbose_link: bool = false,
verbose_link: bool,
dll_export_fns: bool,
error_return_tracing: bool,
is_compiler_rt_or_libc: bool,
each_lib_rpath: bool,
disable_lld_caching: bool,
is_test: bool,
gc_sections: ?bool = null,
allow_shlib_undefined: ?bool = null,
subsystem: ?std.Target.SubSystem = null,
linker_script: ?[]const u8 = null,
version_script: ?[]const u8 = null,
override_soname: ?[]const u8 = null,
llvm_cpu_features: ?[*:0]const u8 = null,
allow_shlib_undefined: ?bool,
subsystem: ?std.Target.SubSystem,
linker_script: ?[]const u8,
version_script: ?[]const u8,
override_soname: ?[]const u8,
llvm_cpu_features: ?[*:0]const u8,
/// Extra args passed directly to LLD. Ignored when not linking with LLD.
extra_lld_args: []const []const u8 = &[0][]const u8,
extra_lld_args: []const []const u8,
objects: []const []const u8 = &[0][]const u8{},
framework_dirs: []const []const u8 = &[0][]const u8{},
frameworks: []const []const u8 = &[0][]const u8{},
system_libs: []const []const u8 = &[0][]const u8{},
lib_dirs: []const []const u8 = &[0][]const u8{},
rpath_list: []const []const u8 = &[0][]const u8{},
objects: []const []const u8,
framework_dirs: []const []const u8,
frameworks: []const []const u8,
system_libs: std.StringArrayHashMapUnmanaged(void),
lib_dirs: []const []const u8,
rpath_list: []const []const u8,
version: ?std.builtin.Version,
libc_installation: ?*const LibCInstallation,

576
src/link/Coff.zig
View File

@ -5,6 +5,8 @@ const log = std.log.scoped(.link);
const Allocator = std.mem.Allocator;
const assert = std.debug.assert;
const fs = std.fs;
const allocPrint = std.fmt.allocPrint;
const mem = std.mem;
const trace = @import("../tracy.zig").trace;
const Module = @import("../Module.zig");
@ -12,6 +14,8 @@ const Compilation = @import("../Compilation.zig");
const codegen = @import("../codegen.zig");
const link = @import("../link.zig");
const build_options = @import("build_options");
const Cache = @import("../Cache.zig");
const mingw = @import("../mingw.zig");
const allocation_padding = 4 / 3;
const minimum_text_block_size = 64 * allocation_padding;
@ -21,7 +25,7 @@ const file_alignment = 512;
const image_base = 0x400_000;
const section_table_size = 2 * 40;
comptime {
assert(std.mem.isAligned(image_base, section_alignment));
assert(mem.isAligned(image_base, section_alignment));
}
pub const base_tag: link.File.Tag = .coff;
@ -155,14 +159,14 @@ pub fn openPath(allocator: *Allocator, sub_path: []const u8, options: link.Optio
if (machine == .Unknown) {
return error.UnsupportedCOFFArchitecture;
}
std.mem.writeIntLittle(u16, hdr_data[0..2], @enumToInt(machine));
mem.writeIntLittle(u16, hdr_data[0..2], @enumToInt(machine));
index += 2;
// Number of sections (we only use .got, .text)
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 2);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 2);
index += 2;
// TimeDateStamp (u32), PointerToSymbolTable (u32), NumberOfSymbols (u32)
std.mem.set(u8, hdr_data[index..][0..12], 0);
mem.set(u8, hdr_data[index..][0..12], 0);
index += 12;
const optional_header_size = switch (options.output_mode) {
@ -177,8 +181,8 @@ pub fn openPath(allocator: *Allocator, sub_path: []const u8, options: link.Optio
const default_offset_table_size = file_alignment;
const default_size_of_code = 0;
self.section_data_offset = std.mem.alignForwardGeneric(u32, self.section_table_offset + section_table_size, file_alignment);
const section_data_relative_virtual_address = std.mem.alignForwardGeneric(u32, self.section_table_offset + section_table_size, section_alignment);
self.section_data_offset = mem.alignForwardGeneric(u32, self.section_table_offset + section_table_size, file_alignment);
const section_data_relative_virtual_address = mem.alignForwardGeneric(u32, self.section_table_offset + section_table_size, section_alignment);
self.offset_table_virtual_address = image_base + section_data_relative_virtual_address;
self.offset_table_size = default_offset_table_size;
self.section_table_offset = section_table_offset;
@ -186,9 +190,9 @@ pub fn openPath(allocator: *Allocator, sub_path: []const u8, options: link.Optio
self.text_section_size = default_size_of_code;
// Size of file when loaded in memory
const size_of_image = std.mem.alignForwardGeneric(u32, self.text_section_virtual_address - image_base + default_size_of_code, section_alignment);
const size_of_image = mem.alignForwardGeneric(u32, self.text_section_virtual_address - image_base + default_size_of_code, section_alignment);
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], optional_header_size);
mem.writeIntLittle(u16, hdr_data[index..][0..2], optional_header_size);
index += 2;
// Characteristics
@ -200,7 +204,7 @@ pub fn openPath(allocator: *Allocator, sub_path: []const u8, options: link.Optio
.p32 => characteristics |= std.coff.IMAGE_FILE_32BIT_MACHINE,
.p64 => characteristics |= std.coff.IMAGE_FILE_LARGE_ADDRESS_AWARE,
}
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], characteristics);
mem.writeIntLittle(u16, hdr_data[index..][0..2], characteristics);
index += 2;
assert(index == 20);
@ -210,106 +214,106 @@ pub fn openPath(allocator: *Allocator, sub_path: []const u8, options: link.Optio
self.optional_header_offset = coff_file_header_offset + 20;
// Optional header
index = 0;
std.mem.writeIntLittle(u16, hdr_data[0..2], switch (self.ptr_width) {
mem.writeIntLittle(u16, hdr_data[0..2], switch (self.ptr_width) {
.p32 => @as(u16, 0x10b),
.p64 => 0x20b,
});
index += 2;
// Linker version (u8 + u8)
std.mem.set(u8, hdr_data[index..][0..2], 0);
mem.set(u8, hdr_data[index..][0..2], 0);
index += 2;
// SizeOfCode (UNUSED, u32), SizeOfInitializedData (u32), SizeOfUninitializedData (u32), AddressOfEntryPoint (u32), BaseOfCode (UNUSED, u32)
std.mem.set(u8, hdr_data[index..][0..20], 0);
mem.set(u8, hdr_data[index..][0..20], 0);
index += 20;
if (self.ptr_width == .p32) {
// Base of data relative to the image base (UNUSED)
std.mem.set(u8, hdr_data[index..][0..4], 0);
mem.set(u8, hdr_data[index..][0..4], 0);
index += 4;
// Image base address
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], image_base);
mem.writeIntLittle(u32, hdr_data[index..][0..4], image_base);
index += 4;
} else {
// Image base address
std.mem.writeIntLittle(u64, hdr_data[index..][0..8], image_base);
mem.writeIntLittle(u64, hdr_data[index..][0..8], image_base);
index += 8;
}
// Section alignment
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], section_alignment);
mem.writeIntLittle(u32, hdr_data[index..][0..4], section_alignment);
index += 4;
// File alignment
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], file_alignment);
mem.writeIntLittle(u32, hdr_data[index..][0..4], file_alignment);
index += 4;
// Required OS version, 6.0 is vista
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 6);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 6);
index += 2;
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 0);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 0);
index += 2;
// Image version
std.mem.set(u8, hdr_data[index..][0..4], 0);
mem.set(u8, hdr_data[index..][0..4], 0);
index += 4;
// Required subsystem version, same as OS version
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 6);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 6);
index += 2;
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 0);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 0);
index += 2;
// Reserved zeroes (u32)
std.mem.set(u8, hdr_data[index..][0..4], 0);
mem.set(u8, hdr_data[index..][0..4], 0);
index += 4;
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], size_of_image);
mem.writeIntLittle(u32, hdr_data[index..][0..4], size_of_image);
index += 4;
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], self.section_data_offset);
mem.writeIntLittle(u32, hdr_data[index..][0..4], self.section_data_offset);
index += 4;
// CheckSum (u32)
std.mem.set(u8, hdr_data[index..][0..4], 0);
mem.set(u8, hdr_data[index..][0..4], 0);
index += 4;
// Subsystem, TODO: Let users specify the subsystem, always CUI for now
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 3);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 3);
index += 2;
// DLL characteristics
std.mem.writeIntLittle(u16, hdr_data[index..][0..2], 0x0);
mem.writeIntLittle(u16, hdr_data[index..][0..2], 0x0);
index += 2;
switch (self.ptr_width) {
.p32 => {
// Size of stack reserve + commit
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x1_000_000);
mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x1_000_000);
index += 4;
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x1_000);
mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x1_000);
index += 4;
// Size of heap reserve + commit
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x100_000);
mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x100_000);
index += 4;
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x1_000);
mem.writeIntLittle(u32, hdr_data[index..][0..4], 0x1_000);
index += 4;
},
.p64 => {
// Size of stack reserve + commit
std.mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x1_000_000);
mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x1_000_000);
index += 8;
std.mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x1_000);
mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x1_000);
index += 8;
// Size of heap reserve + commit
std.mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x100_000);
mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x100_000);
index += 8;
std.mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x1_000);
mem.writeIntLittle(u64, hdr_data[index..][0..8], 0x1_000);
index += 8;
},
}
// Reserved zeroes
std.mem.set(u8, hdr_data[index..][0..4], 0);
mem.set(u8, hdr_data[index..][0..4], 0);
index += 4;
// Number of data directories
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], data_directory_count);
mem.writeIntLittle(u32, hdr_data[index..][0..4], data_directory_count);
index += 4;
// Initialize data directories to zero
std.mem.set(u8, hdr_data[index..][0 .. data_directory_count * 8], 0);
mem.set(u8, hdr_data[index..][0 .. data_directory_count * 8], 0);
index += data_directory_count * 8;
assert(index == optional_header_size);
@ -321,52 +325,52 @@ pub fn openPath(allocator: *Allocator, sub_path: []const u8, options: link.Optio
index += 8;
if (options.output_mode == .Exe) {
// Virtual size (u32)
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], default_offset_table_size);
mem.writeIntLittle(u32, hdr_data[index..][0..4], default_offset_table_size);
index += 4;
// Virtual address (u32)
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], self.offset_table_virtual_address - image_base);
mem.writeIntLittle(u32, hdr_data[index..][0..4], self.offset_table_virtual_address - image_base);
index += 4;
} else {
std.mem.set(u8, hdr_data[index..][0..8], 0);
mem.set(u8, hdr_data[index..][0..8], 0);
index += 8;
}
// Size of raw data (u32)
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], default_offset_table_size);
mem.writeIntLittle(u32, hdr_data[index..][0..4], default_offset_table_size);
index += 4;
// File pointer to the start of the section
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], self.section_data_offset);
mem.writeIntLittle(u32, hdr_data[index..][0..4], self.section_data_offset);
index += 4;
// Pointer to relocations (u32), PointerToLinenumbers (u32), NumberOfRelocations (u16), NumberOfLinenumbers (u16)
std.mem.set(u8, hdr_data[index..][0..12], 0);
mem.set(u8, hdr_data[index..][0..12], 0);
index += 12;
// Section flags
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], std.coff.IMAGE_SCN_CNT_INITIALIZED_DATA | std.coff.IMAGE_SCN_MEM_READ);
mem.writeIntLittle(u32, hdr_data[index..][0..4], std.coff.IMAGE_SCN_CNT_INITIALIZED_DATA | std.coff.IMAGE_SCN_MEM_READ);
index += 4;
// Then, the .text section
hdr_data[index..][0..8].* = ".text\x00\x00\x00".*;
index += 8;
if (options.output_mode == .Exe) {
// Virtual size (u32)
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], default_size_of_code);
mem.writeIntLittle(u32, hdr_data[index..][0..4], default_size_of_code);
index += 4;
// Virtual address (u32)
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], self.text_section_virtual_address - image_base);
mem.writeIntLittle(u32, hdr_data[index..][0..4], self.text_section_virtual_address - image_base);
index += 4;
} else {
std.mem.set(u8, hdr_data[index..][0..8], 0);
mem.set(u8, hdr_data[index..][0..8], 0);
index += 8;
}
// Size of raw data (u32)
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], default_size_of_code);
mem.writeIntLittle(u32, hdr_data[index..][0..4], default_size_of_code);
index += 4;
// File pointer to the start of the section
std.mem.writeIntLittle(u32, hdr_data[index..][0..4], self.section_data_offset + default_offset_table_size);
mem.writeIntLittle(u32, hdr_data[index..][0..4], self.section_data_offset + default_offset_table_size);
index += 4;
// Pointer to relocations (u32), PointerToLinenumbers (u32), NumberOfRelocations (u16), NumberOfLinenumbers (u16)
std.mem.set(u8, hdr_data[index..][0..12], 0);
mem.set(u8, hdr_data[index..][0..12], 0);
index += 12;
// Section flags
std.mem.writeIntLittle(
mem.writeIntLittle(
u32,
hdr_data[index..][0..4],
std.coff.IMAGE_SCN_CNT_CODE | std.coff.IMAGE_SCN_MEM_EXECUTE | std.coff.IMAGE_SCN_MEM_READ | std.coff.IMAGE_SCN_MEM_WRITE,
@ -434,7 +438,7 @@ fn allocateTextBlock(self: *Coff, text_block: *TextBlock, new_block_size: u64, a
const free_block = self.text_block_free_list.items[i];
const next_block_text_offset = free_block.text_offset + free_block.capacity();
const new_block_text_offset = std.mem.alignForwardGeneric(u64, free_block.getVAddr(self.*) + free_block.size, alignment) - self.text_section_virtual_address;
const new_block_text_offset = mem.alignForwardGeneric(u64, free_block.getVAddr(self.*) + free_block.size, alignment) - self.text_section_virtual_address;
if (new_block_text_offset < next_block_text_offset and next_block_text_offset - new_block_text_offset >= new_block_min_capacity) {
block_placement = free_block;
@ -453,7 +457,7 @@ fn allocateTextBlock(self: *Coff, text_block: *TextBlock, new_block_size: u64, a
continue;
}
} else if (self.last_text_block) |last| {
const new_block_vaddr = std.mem.alignForwardGeneric(u64, last.getVAddr(self.*) + last.size, alignment);
const new_block_vaddr = mem.alignForwardGeneric(u64, last.getVAddr(self.*) + last.size, alignment);
block_placement = last;
break :blk new_block_vaddr;
} else {
@ -463,15 +467,15 @@ fn allocateTextBlock(self: *Coff, text_block: *TextBlock, new_block_size: u64, a
const expand_text_section = block_placement == null or block_placement.?.next == null;
if (expand_text_section) {
const needed_size = @intCast(u32, std.mem.alignForwardGeneric(u64, vaddr + new_block_size - self.text_section_virtual_address, file_alignment));
const needed_size = @intCast(u32, mem.alignForwardGeneric(u64, vaddr + new_block_size - self.text_section_virtual_address, file_alignment));
if (needed_size > self.text_section_size) {
const current_text_section_virtual_size = std.mem.alignForwardGeneric(u32, self.text_section_size, section_alignment);
const new_text_section_virtual_size = std.mem.alignForwardGeneric(u32, needed_size, section_alignment);
const current_text_section_virtual_size = mem.alignForwardGeneric(u32, self.text_section_size, section_alignment);
const new_text_section_virtual_size = mem.alignForwardGeneric(u32, needed_size, section_alignment);
if (current_text_section_virtual_size != new_text_section_virtual_size) {
self.size_of_image_dirty = true;
// Write new virtual size
var buf: [4]u8 = undefined;
std.mem.writeIntLittle(u32, &buf, new_text_section_virtual_size);
mem.writeIntLittle(u32, &buf, new_text_section_virtual_size);
try self.base.file.?.pwriteAll(&buf, self.section_table_offset + 40 + 8);
}
@ -509,7 +513,7 @@ fn allocateTextBlock(self: *Coff, text_block: *TextBlock, new_block_size: u64, a
fn growTextBlock(self: *Coff, text_block: *TextBlock, new_block_size: u64, alignment: u64) !u64 {
const block_vaddr = text_block.getVAddr(self.*);
const align_ok = std.mem.alignBackwardGeneric(u64, block_vaddr, alignment) == block_vaddr;
const align_ok = mem.alignBackwardGeneric(u64, block_vaddr, alignment) == block_vaddr;
const need_realloc = !align_ok or new_block_size > text_block.capacity();
if (!need_realloc) return @as(u64, block_vaddr);
return self.allocateTextBlock(text_block, new_block_size, alignment);
@ -575,14 +579,14 @@ fn writeOffsetTableEntry(self: *Coff, index: usize) !void {
// Write the new raw size in the .got header
var buf: [8]u8 = undefined;
std.mem.writeIntLittle(u32, buf[0..4], new_raw_size);
mem.writeIntLittle(u32, buf[0..4], new_raw_size);
try self.base.file.?.pwriteAll(buf[0..4], self.section_table_offset + 16);
// Write the new .text section file offset in the .text section header
std.mem.writeIntLittle(u32, buf[0..4], new_text_section_start);
mem.writeIntLittle(u32, buf[0..4], new_text_section_start);
try self.base.file.?.pwriteAll(buf[0..4], self.section_table_offset + 40 + 20);
const current_virtual_size = std.mem.alignForwardGeneric(u32, self.offset_table_size, section_alignment);
const new_virtual_size = std.mem.alignForwardGeneric(u32, new_raw_size, section_alignment);
const current_virtual_size = mem.alignForwardGeneric(u32, self.offset_table_size, section_alignment);
const new_virtual_size = mem.alignForwardGeneric(u32, new_raw_size, section_alignment);
// If we had to move in the virtual address space, we need to fix the VAs in the offset table, as well as the virtual address of the `.text` section
// and the virutal size of the `.got` section
@ -592,12 +596,12 @@ fn writeOffsetTableEntry(self: *Coff, index: usize) !void {
const va_offset = new_virtual_size - current_virtual_size;
// Write .got virtual size
std.mem.writeIntLittle(u32, buf[0..4], new_virtual_size);
mem.writeIntLittle(u32, buf[0..4], new_virtual_size);
try self.base.file.?.pwriteAll(buf[0..4], self.section_table_offset + 8);
// Write .text new virtual address
self.text_section_virtual_address = self.text_section_virtual_address + va_offset;
std.mem.writeIntLittle(u32, buf[0..4], self.text_section_virtual_address - image_base);
mem.writeIntLittle(u32, buf[0..4], self.text_section_virtual_address - image_base);
try self.base.file.?.pwriteAll(buf[0..4], self.section_table_offset + 40 + 12);
// Fix the VAs in the offset table
@ -607,11 +611,11 @@ fn writeOffsetTableEntry(self: *Coff, index: usize) !void {
switch (entry_size) {
4 => {
std.mem.writeInt(u32, buf[0..4], @intCast(u32, va.*), endian);
mem.writeInt(u32, buf[0..4], @intCast(u32, va.*), endian);
try self.base.file.?.pwriteAll(buf[0..4], offset_table_start + idx * entry_size);
},
8 => {
std.mem.writeInt(u64, &buf, va.*, endian);
mem.writeInt(u64, &buf, va.*, endian);
try self.base.file.?.pwriteAll(&buf, offset_table_start + idx * entry_size);
},
else => unreachable,
@ -626,12 +630,12 @@ fn writeOffsetTableEntry(self: *Coff, index: usize) !void {
switch (entry_size) {
4 => {
var buf: [4]u8 = undefined;
std.mem.writeInt(u32, &buf, @intCast(u32, self.offset_table.items[index]), endian);
mem.writeInt(u32, &buf, @intCast(u32, self.offset_table.items[index]), endian);
try self.base.file.?.pwriteAll(&buf, offset_table_start + index * entry_size);
},
8 => {
var buf: [8]u8 = undefined;
std.mem.writeInt(u64, &buf, self.offset_table.items[index], endian);
mem.writeInt(u64, &buf, self.offset_table.items[index], endian);
try self.base.file.?.pwriteAll(&buf, offset_table_start + index * entry_size);
},
else => unreachable,
@ -664,7 +668,7 @@ pub fn updateDecl(self: *Coff, module: *Module, decl: *Module.Decl) !void {
if (curr_size != 0) {
const capacity = decl.link.coff.capacity();
const need_realloc = code.len > capacity or
!std.mem.isAlignedGeneric(u32, decl.link.coff.text_offset, required_alignment);
!mem.isAlignedGeneric(u32, decl.link.coff.text_offset, required_alignment);
if (need_realloc) {
const curr_vaddr = self.getDeclVAddr(decl);
const vaddr = try self.growTextBlock(&decl.link.coff, code.len, required_alignment);
@ -679,7 +683,7 @@ pub fn updateDecl(self: *Coff, module: *Module, decl: *Module.Decl) !void {
}
} else {
const vaddr = try self.allocateTextBlock(&decl.link.coff, code.len, required_alignment);
log.debug("allocated text block for {} at 0x{x} (size: {Bi})\n", .{ std.mem.spanZ(decl.name), vaddr, code.len });
log.debug("allocated text block for {} at 0x{x} (size: {Bi})\n", .{ mem.spanZ(decl.name), vaddr, code.len });
errdefer self.freeTextBlock(&decl.link.coff);
self.offset_table.items[decl.link.coff.offset_table_index] = vaddr;
try self.writeOffsetTableEntry(decl.link.coff.offset_table_index);
@ -702,7 +706,7 @@ pub fn freeDecl(self: *Coff, decl: *Module.Decl) void {
pub fn updateDeclExports(self: *Coff, module: *Module, decl: *const Module.Decl, exports: []const *Module.Export) !void {
for (exports) |exp| {
if (exp.options.section) |section_name| {
if (!std.mem.eql(u8, section_name, ".text")) {
if (!mem.eql(u8, section_name, ".text")) {
try module.failed_exports.ensureCapacity(module.gpa, module.failed_exports.items().len + 1);
module.failed_exports.putAssumeCapacityNoClobber(
exp,
@ -711,7 +715,7 @@ pub fn updateDeclExports(self: *Coff, module: *Module, decl: *const Module.Decl,
continue;
}
}
if (std.mem.eql(u8, exp.options.name, "_start")) {
if (mem.eql(u8, exp.options.name, "_start")) {
self.entry_addr = decl.link.coff.getVAddr(self.*) - image_base;
} else {
try module.failed_exports.ensureCapacity(module.gpa, module.failed_exports.items().len + 1);
@ -726,8 +730,12 @@ pub fn updateDeclExports(self: *Coff, module: *Module, decl: *const Module.Decl,
pub fn flush(self: *Coff, comp: *Compilation) !void {
if (build_options.have_llvm and self.base.options.use_lld) {
return error.CoffLinkingWithLLDUnimplemented;
return self.linkWithLLD(comp);
} else {
switch (self.base.options.effectiveOutputMode()) {
.Exe, .Obj => {},
.Lib => return error.TODOImplementWritingLibFiles,
}
return self.flushModule(comp);
}
}
@ -739,16 +747,16 @@ pub fn flushModule(self: *Coff, comp: *Compilation) !void {
if (self.text_section_size_dirty) {
// Write the new raw size in the .text header
var buf: [4]u8 = undefined;
std.mem.writeIntLittle(u32, &buf, self.text_section_size);
mem.writeIntLittle(u32, &buf, self.text_section_size);
try self.base.file.?.pwriteAll(&buf, self.section_table_offset + 40 + 16);
try self.base.file.?.setEndPos(self.section_data_offset + self.offset_table_size + self.text_section_size);
self.text_section_size_dirty = false;
}
if (self.base.options.output_mode == .Exe and self.size_of_image_dirty) {
const new_size_of_image = std.mem.alignForwardGeneric(u32, self.text_section_virtual_address - image_base + self.text_section_size, section_alignment);
const new_size_of_image = mem.alignForwardGeneric(u32, self.text_section_virtual_address - image_base + self.text_section_size, section_alignment);
var buf: [4]u8 = undefined;
std.mem.writeIntLittle(u32, &buf, new_size_of_image);
mem.writeIntLittle(u32, &buf, new_size_of_image);
try self.base.file.?.pwriteAll(&buf, self.optional_header_offset + 56);
self.size_of_image_dirty = false;
}
@ -763,12 +771,422 @@ pub fn flushModule(self: *Coff, comp: *Compilation) !void {
if (self.base.options.output_mode == .Exe) {
// Write AddressOfEntryPoint
var buf: [4]u8 = undefined;
std.mem.writeIntLittle(u32, &buf, self.entry_addr.?);
mem.writeIntLittle(u32, &buf, self.entry_addr.?);
try self.base.file.?.pwriteAll(&buf, self.optional_header_offset + 16);
}
}
}
fn linkWithLLD(self: *Coff, comp: *Compilation) !void {
const tracy = trace(@src());
defer tracy.end();
var arena_allocator = std.heap.ArenaAllocator.init(self.base.allocator);
defer arena_allocator.deinit();
const arena = &arena_allocator.allocator;
const directory = self.base.options.emit.?.directory; // Just an alias to make it shorter to type.
// If there is no Zig code to compile, then we should skip flushing the output file because it
// will not be part of the linker line anyway.
const module_obj_path: ?[]const u8 = if (self.base.options.module) |module| blk: {
const use_stage1 = build_options.is_stage1 and self.base.options.use_llvm;
if (use_stage1) {
const obj_basename = try std.zig.binNameAlloc(arena, .{
.root_name = self.base.options.root_name,
.target = self.base.options.target,
.output_mode = .Obj,
});
const o_directory = self.base.options.module.?.zig_cache_artifact_directory;
const full_obj_path = try o_directory.join(arena, &[_][]const u8{obj_basename});
break :blk full_obj_path;
}
try self.flushModule(comp);
const obj_basename = self.base.intermediary_basename.?;
const full_obj_path = try directory.join(arena, &[_][]const u8{obj_basename});
break :blk full_obj_path;
} else null;
const is_lib = self.base.options.output_mode == .Lib;
const is_dyn_lib = self.base.options.link_mode == .Dynamic and is_lib;
const is_exe_or_dyn_lib = is_dyn_lib or self.base.options.output_mode == .Exe;
const link_in_crt = self.base.options.link_libc and self.base.options.output_mode == .Exe;
const target = self.base.options.target;
// See link/Elf.zig for comments on how this mechanism works.
const id_symlink_basename = "lld.id";
var man: Cache.Manifest = undefined;
defer if (!self.base.options.disable_lld_caching) man.deinit();
var digest: [Cache.hex_digest_len]u8 = undefined;
if (!self.base.options.disable_lld_caching) {
man = comp.cache_parent.obtain();
self.base.releaseLock();
try man.addListOfFiles(self.base.options.objects);
for (comp.c_object_table.items()) |entry| {
_ = try man.addFile(entry.key.status.success.object_path, null);
}
try man.addOptionalFile(module_obj_path);
man.hash.addOptional(self.base.options.stack_size_override);
man.hash.addListOfBytes(self.base.options.extra_lld_args);
man.hash.addListOfBytes(self.base.options.lib_dirs);
man.hash.add(self.base.options.is_compiler_rt_or_libc);
if (self.base.options.link_libc) {
man.hash.add(self.base.options.libc_installation != null);
if (self.base.options.libc_installation) |libc_installation| {
man.hash.addBytes(libc_installation.crt_dir.?);
if (target.abi == .msvc) {
man.hash.addBytes(libc_installation.msvc_lib_dir.?);
man.hash.addBytes(libc_installation.kernel32_lib_dir.?);
}
}
}
man.hash.addStringSet(self.base.options.system_libs);
man.hash.addOptional(self.base.options.subsystem);
man.hash.add(self.base.options.is_test);
// We don't actually care whether it's a cache hit or miss; we just need the digest and the lock.
_ = try man.hit();
digest = man.final();
var prev_digest_buf: [digest.len]u8 = undefined;
const prev_digest: []u8 = directory.handle.readLink(id_symlink_basename, &prev_digest_buf) catch |err| blk: {
log.debug("COFF LLD new_digest={} readlink error: {}", .{ digest, @errorName(err) });
// Handle this as a cache miss.
break :blk prev_digest_buf[0..0];
};
if (mem.eql(u8, prev_digest, &digest)) {
log.debug("COFF LLD digest={} match - skipping invocation", .{digest});
// Hot diggity dog! The output binary is already there.
self.base.lock = man.toOwnedLock();
return;
}
log.debug("COFF LLD prev_digest={} new_digest={}", .{ prev_digest, digest });
// We are about to change the output file to be different, so we invalidate the build hash now.
directory.handle.deleteFile(id_symlink_basename) catch |err| switch (err) {
error.FileNotFound => {},
else => |e| return e,
};
}
const is_obj = self.base.options.output_mode == .Obj;
// Create an LLD command line and invoke it.
var argv = std.ArrayList([]const u8).init(self.base.allocator);
defer argv.deinit();
// Even though we're calling LLD as a library it thinks the first argument is its own exe name.
try argv.append("lld");
if (is_obj) {
try argv.append("-r");
}
try argv.append("-ERRORLIMIT:0");
try argv.append("-NOLOGO");
if (!self.base.options.strip) {
try argv.append("-DEBUG");
}
if (self.base.options.output_mode == .Exe) {
const stack_size = self.base.options.stack_size_override orelse 16777216;
try argv.append(try allocPrint(arena, "-STACK:{d}", .{stack_size}));
}
if (target.cpu.arch == .i386) {
try argv.append("-MACHINE:X86");
} else if (target.cpu.arch == .x86_64) {
try argv.append("-MACHINE:X64");
} else if (target.cpu.arch.isARM()) {
if (target.cpu.arch.ptrBitWidth() == 32) {
try argv.append("-MACHINE:ARM");
} else {
try argv.append("-MACHINE:ARM64");
}
}
if (is_dyn_lib) {
try argv.append("-DLL");
}
const full_out_path = try directory.join(arena, &[_][]const u8{self.base.options.emit.?.sub_path});
try argv.append(try allocPrint(arena, "-OUT:{s}", .{full_out_path}));
if (self.base.options.link_libc) {
if (self.base.options.libc_installation) |libc_installation| {
try argv.append(try allocPrint(arena, "-LIBPATH:{s}", .{libc_installation.crt_dir.?}));
if (target.abi == .msvc) {
try argv.append(try allocPrint(arena, "-LIBPATH:{s}", .{libc_installation.msvc_lib_dir.?}));
try argv.append(try allocPrint(arena, "-LIBPATH:{s}", .{libc_installation.kernel32_lib_dir.?}));
}
}
}
for (self.base.options.lib_dirs) |lib_dir| {
try argv.append(try allocPrint(arena, "-LIBPATH:{s}", .{lib_dir}));
}
try argv.appendSlice(self.base.options.objects);
for (comp.c_object_table.items()) |entry| {
try argv.append(entry.key.status.success.object_path);
}
if (module_obj_path) |p| {
try argv.append(p);
}
const resolved_subsystem: ?std.Target.SubSystem = blk: {
if (self.base.options.subsystem) |explicit| break :blk explicit;
switch (target.os.tag) {
.windows => {
if (self.base.options.module) |module| {
if (module.have_dllmain_crt_startup or is_dyn_lib)
break :blk null;
if (module.have_c_main or self.base.options.is_test or
module.have_winmain_crt_startup or module.have_wwinmain_crt_startup)
{
break :blk .Console;
}
if (module.have_winmain or module.have_wwinmain)
break :blk .Windows;
}
},
.uefi => break :blk .EfiApplication,
else => {},
}
break :blk null;
};
const Mode = enum { uefi, win32 };
const mode: Mode = mode: {
if (resolved_subsystem) |subsystem| switch (subsystem) {
.Console => {
try argv.append("-SUBSYSTEM:console");
break :mode .win32;
},
.EfiApplication => {
try argv.append("-SUBSYSTEM:efi_application");
break :mode .uefi;
},
.EfiBootServiceDriver => {
try argv.append("-SUBSYSTEM:efi_boot_service_driver");
break :mode .uefi;
},
.EfiRom => {
try argv.append("-SUBSYSTEM:efi_rom");
break :mode .uefi;
},
.EfiRuntimeDriver => {
try argv.append("-SUBSYSTEM:efi_runtime_driver");
break :mode .uefi;
},
.Native => {
try argv.append("-SUBSYSTEM:native");
break :mode .win32;
},
.Posix => {
try argv.append("-SUBSYSTEM:posix");
break :mode .win32;
},
.Windows => {
try argv.append("-SUBSYSTEM:windows");
break :mode .win32;
},
} else if (target.os.tag == .uefi) {
break :mode .uefi;
} else {
break :mode .win32;
}
};
switch (mode) {
.uefi => try argv.appendSlice(&[_][]const u8{
"-BASE:0",
"-ENTRY:EfiMain",
"-OPT:REF",
"-SAFESEH:NO",
"-MERGE:.rdata=.data",
"-ALIGN:32",
"-NODEFAULTLIB",
"-SECTION:.xdata,D",
}),
.win32 => {
if (link_in_crt) {
if (target.abi.isGnu()) {
try argv.append("-lldmingw");
if (target.cpu.arch == .i386) {
try argv.append("-ALTERNATENAME:__image_base__=___ImageBase");
} else {
try argv.append("-ALTERNATENAME:__image_base__=__ImageBase");
}
if (is_dyn_lib) {
try argv.append(try comp.get_libc_crt_file(arena, "dllcrt2.o"));
} else {
try argv.append(try comp.get_libc_crt_file(arena, "crt2.o"));
}
try argv.append(try comp.get_libc_crt_file(arena, "mingw32.lib"));
try argv.append(try comp.get_libc_crt_file(arena, "mingwex.lib"));
try argv.append(try comp.get_libc_crt_file(arena, "msvcrt-os.lib"));
for (mingw.always_link_libs) |name| {
if (!self.base.options.system_libs.contains(name)) {
const lib_basename = try allocPrint(arena, "{s}.lib", .{name});
try argv.append(try comp.get_libc_crt_file(arena, lib_basename));
}
}
} else {
const lib_str = switch (self.base.options.link_mode) {
.Dynamic => "",
.Static => "lib",
};
const d_str = switch (self.base.options.optimize_mode) {
.Debug => "d",
else => "",
};
switch (self.base.options.link_mode) {
.Static => try argv.append(try allocPrint(arena, "libcmt{s}.lib", .{d_str})),
.Dynamic => try argv.append(try allocPrint(arena, "msvcrt{s}.lib", .{d_str})),
}
try argv.append(try allocPrint(arena, "{s}vcruntime{s}.lib", .{ lib_str, d_str }));
try argv.append(try allocPrint(arena, "{s}ucrt{s}.lib", .{ lib_str, d_str }));
//Visual C++ 2015 Conformance Changes
//https://msdn.microsoft.com/en-us/library/bb531344.aspx
try argv.append("legacy_stdio_definitions.lib");
// msvcrt depends on kernel32 and ntdll
try argv.append("kernel32.lib");
try argv.append("ntdll.lib");
}
} else {
try argv.append("-NODEFAULTLIB");
if (!is_lib) {
if (self.base.options.module) |module| {
if (module.have_winmain) {
try argv.append("-ENTRY:WinMain");
} else if (module.have_wwinmain) {
try argv.append("-ENTRY:wWinMain");
} else if (module.have_wwinmain_crt_startup) {
try argv.append("-ENTRY:wWinMainCRTStartup");
} else {
try argv.append("-ENTRY:WinMainCRTStartup");
}
} else {
try argv.append("-ENTRY:WinMainCRTStartup");
}
}
}
},
}
if (!is_obj) {
// libc++ dep
if (self.base.options.link_libcpp) {
try argv.append(comp.libcxxabi_static_lib.?.full_object_path);
try argv.append(comp.libcxx_static_lib.?.full_object_path);
try argv.append(comp.libunwind_static_lib.?.full_object_path);
}
}
// compiler-rt and libc
if (is_exe_or_dyn_lib and !self.base.options.is_compiler_rt_or_libc) {
if (!self.base.options.link_libc) {
try argv.append(comp.libc_static_lib.?.full_object_path);
}
// MSVC compiler_rt is missing some stuff, so we build it unconditionally but
// and rely on weak linkage to allow MSVC compiler_rt functions to override ours.
try argv.append(comp.compiler_rt_static_lib.?.full_object_path);
}
for (self.base.options.system_libs.items()) |entry| {
const lib_basename = try allocPrint(arena, "{s}.lib", .{entry.key});
if (comp.crt_files.get(lib_basename)) |crt_file| {
try argv.append(crt_file.full_object_path);
} else {
try argv.append(lib_basename);
}
}
if (self.base.options.verbose_link) {
Compilation.dump_argv(argv.items);
}
const new_argv_with_sentinel = try arena.alloc(?[*:0]const u8, argv.items.len + 1);
new_argv_with_sentinel[argv.items.len] = null;
const new_argv = new_argv_with_sentinel[0..argv.items.len :null];
for (argv.items) |arg, i| {
new_argv[i] = try arena.dupeZ(u8, arg);
}
var stderr_context: LLDContext = .{
.coff = self,
.data = std.ArrayList(u8).init(self.base.allocator),
};
defer stderr_context.data.deinit();
var stdout_context: LLDContext = .{
.coff = self,
.data = std.ArrayList(u8).init(self.base.allocator),
};
defer stdout_context.data.deinit();
const llvm = @import("../llvm.zig");
const ok = llvm.Link(
.COFF,
new_argv.ptr,
new_argv.len,
append_diagnostic,
@ptrToInt(&stdout_context),
@ptrToInt(&stderr_context),
);
if (stderr_context.oom or stdout_context.oom) return error.OutOfMemory;
if (stdout_context.data.items.len != 0) {
std.log.warn("unexpected LLD stdout: {}", .{stdout_context.data.items});
}
if (!ok) {
// TODO parse this output and surface with the Compilation API rather than
// directly outputting to stderr here.
std.debug.print("{}", .{stderr_context.data.items});
return error.LLDReportedFailure;
}
if (stderr_context.data.items.len != 0) {
std.log.warn("unexpected LLD stderr: {}", .{stderr_context.data.items});
}
if (!self.base.options.disable_lld_caching) {
// Update the dangling symlink with the digest. If it fails we can continue; it only
// means that the next invocation will have an unnecessary cache miss.
directory.handle.symLink(&digest, id_symlink_basename, .{}) catch |err| {
std.log.warn("failed to save linking hash digest symlink: {}", .{@errorName(err)});
};
// Again failure here only means an unnecessary cache miss.
man.writeManifest() catch |err| {
std.log.warn("failed to write cache manifest when linking: {}", .{@errorName(err)});
};
// We hang on to this lock so that the output file path can be used without
// other processes clobbering it.
self.base.lock = man.toOwnedLock();
}
}
const LLDContext = struct {
data: std.ArrayList(u8),
coff: *Coff,
oom: bool = false,
};
fn append_diagnostic(context: usize, ptr: [*]const u8, len: usize) callconv(.C) void {
const lld_context = @intToPtr(*LLDContext, context);
const msg = ptr[0..len];
lld_context.data.appendSlice(msg) catch |err| switch (err) {
error.OutOfMemory => lld_context.oom = true,
};
}
pub fn getDeclVAddr(self: *Coff, decl: *const Module.Decl) u64 {
return self.text_section_virtual_address + decl.link.coff.text_offset;
}

25
src/link/Elf.zig
View File

@ -1225,7 +1225,11 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
const module_obj_path: ?[]const u8 = if (self.base.options.module) |module| blk: {
const use_stage1 = build_options.is_stage1 and self.base.options.use_llvm;
if (use_stage1) {
const obj_basename = try std.fmt.allocPrint(arena, "{}.o", .{self.base.options.root_name});
const obj_basename = try std.zig.binNameAlloc(arena, .{
.root_name = self.base.options.root_name,
.target = self.base.options.target,
.output_mode = .Obj,
});
const o_directory = self.base.options.module.?.zig_cache_artifact_directory;
const full_obj_path = try o_directory.join(arena, &[_][]const u8{obj_basename});
break :blk full_obj_path;
@ -1242,6 +1246,8 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
const is_exe_or_dyn_lib = is_dyn_lib or self.base.options.output_mode == .Exe;
const have_dynamic_linker = self.base.options.link_libc and
self.base.options.link_mode == .Dynamic and is_exe_or_dyn_lib;
const link_in_crt = self.base.options.link_libc and self.base.options.output_mode == .Exe;
const target = self.base.options.target;
// Here we want to determine whether we can save time by not invoking LLD when the
// output is unchanged. None of the linker options or the object files that are being
@ -1297,7 +1303,7 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
man.hash.addOptionalBytes(self.base.options.override_soname);
man.hash.addOptional(self.base.options.version);
}
man.hash.addListOfBytes(self.base.options.system_libs);
man.hash.addStringSet(self.base.options.system_libs);
man.hash.addOptional(self.base.options.allow_shlib_undefined);
man.hash.add(self.base.options.bind_global_refs_locally);
@ -1326,7 +1332,6 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
};
}
const target = self.base.options.target;
const is_obj = self.base.options.output_mode == .Obj;
// Create an LLD command line and invoke it.
@ -1337,7 +1342,6 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
if (is_obj) {
try argv.append("-r");
}
const link_in_crt = self.base.options.link_libc and self.base.options.output_mode == .Exe;
try argv.append("-error-limit=0");
@ -1440,7 +1444,7 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
var test_path = std.ArrayList(u8).init(self.base.allocator);
defer test_path.deinit();
for (self.base.options.lib_dirs) |lib_dir_path| {
for (self.base.options.system_libs) |link_lib| {
for (self.base.options.system_libs.items()) |link_lib| {
test_path.shrinkRetainingCapacity(0);
const sep = fs.path.sep_str;
try test_path.writer().print("{}" ++ sep ++ "lib{}.so", .{ lib_dir_path, link_lib });
@ -1509,8 +1513,10 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
}
// Shared libraries.
try argv.ensureCapacity(argv.items.len + self.base.options.system_libs.len);
for (self.base.options.system_libs) |link_lib| {
const system_libs = self.base.options.system_libs.items();
try argv.ensureCapacity(argv.items.len + system_libs.len);
for (system_libs) |entry| {
const link_lib = entry.key;
// By this time, we depend on these libs being dynamically linked libraries and not static libraries
// (the check for that needs to be earlier), but they could be full paths to .so files, in which
// case we want to avoid prepending "-l".
@ -1581,10 +1587,7 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
}
if (self.base.options.verbose_link) {
for (argv.items[0 .. argv.items.len - 1]) |arg| {
std.debug.print("{} ", .{arg});
}
std.debug.print("{}\n", .{argv.items[argv.items.len - 1]});
Compilation.dump_argv(argv.items);
}
// Oh, snapplesauce! We need null terminated argv.

866
src/mingw.zig Normal file
View File

@ -0,0 +1,866 @@
const std = @import("std");
const Allocator = std.mem.Allocator;
const mem = std.mem;
const path = std.fs.path;
const assert = std.debug.assert;
const target_util = @import("target.zig");
const Compilation = @import("Compilation.zig");
const build_options = @import("build_options");
pub const CRTFile = enum {
crt2_o,
dllcrt2_o,
mingw32_lib,
msvcrt_os_lib,
mingwex_lib,
uuid_lib,
};
pub fn buildCRTFile(comp: *Compilation, crt_file: CRTFile) !void {
if (!build_options.have_llvm) {
return error.ZigCompilerNotBuiltWithLLVMExtensions;
}
var arena_allocator = std.heap.ArenaAllocator.init(comp.gpa);
defer arena_allocator.deinit();
const arena = &arena_allocator.allocator;
switch (crt_file) {
.crt2_o => {
var args = std.ArrayList([]const u8).init(arena);
try add_cc_args(comp, arena, &args);
try args.appendSlice(&[_][]const u8{
"-U__CRTDLL__",
"-D__MSVCRT__",
// Uncomment these 3 things for crtu
//"-DUNICODE",
//"-D_UNICODE",
//"-DWPRFLAG=1",
});
return comp.build_crt_file("crt2", .Obj, &[1]Compilation.CSourceFile{
.{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", "crt", "crtexe.c",
}),
.extra_flags = args.items,
},
});
},
.dllcrt2_o => {
var args = std.ArrayList([]const u8).init(arena);
try add_cc_args(comp, arena, &args);
try args.appendSlice(&[_][]const u8{
"-U__CRTDLL__",
"-D__MSVCRT__",
});
return comp.build_crt_file("dllcrt2", .Obj, &[1]Compilation.CSourceFile{
.{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", "crt", "crtdll.c",
}),
.extra_flags = args.items,
},
});
},
.mingw32_lib => {
var c_source_files: [mingw32_lib_deps.len]Compilation.CSourceFile = undefined;
for (mingw32_lib_deps) |dep, i| {
var args = std.ArrayList([]const u8).init(arena);
try args.appendSlice(&[_][]const u8{
"-DHAVE_CONFIG_H",
"-D_SYSCRT=1",
"-DCRTDLL=1",
"-isystem",
try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "include", "any-windows-any",
}),
"-isystem",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw", "include" }),
"-std=gnu99",
"-D_CRTBLD",
"-D_WIN32_WINNT=0x0f00",
"-D__MSVCRT_VERSION__=0x700",
"-g",
"-O2",
});
c_source_files[i] = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", "crt", dep,
}),
.extra_flags = args.items,
};
}
return comp.build_crt_file("mingw32", .Lib, &c_source_files);
},
.msvcrt_os_lib => {
const extra_flags = try arena.dupe([]const u8, &[_][]const u8{
"-DHAVE_CONFIG_H",
"-D__LIBMSVCRT__",
"-I",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw", "include" }),
"-std=gnu99",
"-D_CRTBLD",
"-D_WIN32_WINNT=0x0f00",
"-D__MSVCRT_VERSION__=0x700",
"-isystem",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "include", "any-windows-any" }),
"-g",
"-O2",
});
var c_source_files = std.ArrayList(Compilation.CSourceFile).init(arena);
for (msvcrt_common_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw", dep }),
.extra_flags = extra_flags,
};
}
if (comp.getTarget().cpu.arch == .i386) {
for (msvcrt_i386_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", dep,
}),
.extra_flags = extra_flags,
};
}
} else {
for (msvcrt_other_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", dep,
}),
.extra_flags = extra_flags,
};
}
}
return comp.build_crt_file("msvcrt-os", .Lib, c_source_files.items);
},
.mingwex_lib => {
const extra_flags = try arena.dupe([]const u8, &[_][]const u8{
"-DHAVE_CONFIG_H",
"-I",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw" }),
"-I",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw", "include" }),
"-std=gnu99",
"-D_CRTBLD",
"-D_WIN32_WINNT=0x0f00",
"-D__MSVCRT_VERSION__=0x700",
"-g",
"-O2",
"-isystem",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "include", "any-windows-any" }),
});
var c_source_files = std.ArrayList(Compilation.CSourceFile).init(arena);
for (mingwex_generic_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", dep,
}),
.extra_flags = extra_flags,
};
}
const target = comp.getTarget();
if (target.cpu.arch == .i386 or target.cpu.arch == .x86_64) {
for (mingwex_x86_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", dep,
}),
.extra_flags = extra_flags,
};
}
} else if (target.cpu.arch.isARM()) {
if (target.cpu.arch.ptrBitWidth() == 32) {
for (mingwex_arm32_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", dep,
}),
.extra_flags = extra_flags,
};
}
} else {
for (mingwex_arm64_src) |dep| {
(try c_source_files.addOne()).* = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", dep,
}),
.extra_flags = extra_flags,
};
}
}
} else {
unreachable;
}
return comp.build_crt_file("mingwex", .Lib, c_source_files.items);
},
.uuid_lib => {
const extra_flags = try arena.dupe([]const u8, &[_][]const u8{
"-DHAVE_CONFIG_H",
"-I",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw" }),
"-I",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw", "include" }),
"-std=gnu99",
"-D_CRTBLD",
"-D_WIN32_WINNT=0x0f00",
"-D__MSVCRT_VERSION__=0x700",
"-g",
"-O2",
"-isystem",
try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "include", "any-windows-any",
}),
});
var c_source_files: [uuid_src.len]Compilation.CSourceFile = undefined;
for (uuid_src) |dep, i| {
c_source_files[i] = .{
.src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
"libc", "mingw", "libsrc", dep,
}),
.extra_flags = extra_flags,
};
}
return comp.build_crt_file("uuid", .Lib, &c_source_files);
},
}
}
fn add_cc_args(
comp: *Compilation,
arena: *Allocator,
args: *std.ArrayList([]const u8),
) error{OutOfMemory}!void {
try args.appendSlice(&[_][]const u8{
"-DHAVE_CONFIG_H",
"-I",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "mingw", "include" }),
"-isystem",
try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "include", "any-windows-any" }),
});
const target = comp.getTarget();
if (target.cpu.arch.isARM() and target.cpu.arch.ptrBitWidth() == 32) {
try args.append("-mfpu=vfp");
}
try args.appendSlice(&[_][]const u8{
"-std=gnu11",
"-D_CRTBLD",
"-D_WIN32_WINNT=0x0f00",
"-D__MSVCRT_VERSION__=0x700",
});
}
const mingw32_lib_deps = [_][]const u8{
"crt0_c.c",
"dll_argv.c",
"gccmain.c",
"natstart.c",
"pseudo-reloc-list.c",
"wildcard.c",
"charmax.c",
"crt0_w.c",
"dllargv.c",
"gs_support.c",
"_newmode.c",
"tlssup.c",
"xncommod.c",
"cinitexe.c",
"merr.c",
"usermatherr.c",
"pesect.c",
"udllargc.c",
"xthdloc.c",
"CRT_fp10.c",
"mingw_helpers.c",
"pseudo-reloc.c",
"udll_argv.c",
"xtxtmode.c",
"crt_handler.c",
"tlsthrd.c",
"tlsmthread.c",
"tlsmcrt.c",
"cxa_atexit.c",
};
const msvcrt_common_src = [_][]const u8{
"misc" ++ path.sep_str ++ "_create_locale.c",
"misc" ++ path.sep_str ++ "_free_locale.c",
"misc" ++ path.sep_str ++ "onexit_table.c",
"misc" ++ path.sep_str ++ "register_tls_atexit.c",
"stdio" ++ path.sep_str ++ "acrt_iob_func.c",
"misc" ++ path.sep_str ++ "_configthreadlocale.c",
"misc" ++ path.sep_str ++ "_get_current_locale.c",
"misc" ++ path.sep_str ++ "invalid_parameter_handler.c",
"misc" ++ path.sep_str ++ "output_format.c",
"misc" ++ path.sep_str ++ "purecall.c",
"secapi" ++ path.sep_str ++ "_access_s.c",
"secapi" ++ path.sep_str ++ "_cgets_s.c",
"secapi" ++ path.sep_str ++ "_cgetws_s.c",
"secapi" ++ path.sep_str ++ "_chsize_s.c",
"secapi" ++ path.sep_str ++ "_controlfp_s.c",
"secapi" ++ path.sep_str ++ "_cprintf_s.c",
"secapi" ++ path.sep_str ++ "_cprintf_s_l.c",
"secapi" ++ path.sep_str ++ "_ctime32_s.c",
"secapi" ++ path.sep_str ++ "_ctime64_s.c",
"secapi" ++ path.sep_str ++ "_cwprintf_s.c",
"secapi" ++ path.sep_str ++ "_cwprintf_s_l.c",
"secapi" ++ path.sep_str ++ "_gmtime32_s.c",
"secapi" ++ path.sep_str ++ "_gmtime64_s.c",
"secapi" ++ path.sep_str ++ "_localtime32_s.c",
"secapi" ++ path.sep_str ++ "_localtime64_s.c",
"secapi" ++ path.sep_str ++ "_mktemp_s.c",
"secapi" ++ path.sep_str ++ "_sopen_s.c",
"secapi" ++ path.sep_str ++ "_strdate_s.c",
"secapi" ++ path.sep_str ++ "_strtime_s.c",
"secapi" ++ path.sep_str ++ "_umask_s.c",
"secapi" ++ path.sep_str ++ "_vcprintf_s.c",
"secapi" ++ path.sep_str ++ "_vcprintf_s_l.c",
"secapi" ++ path.sep_str ++ "_vcwprintf_s.c",
"secapi" ++ path.sep_str ++ "_vcwprintf_s_l.c",
"secapi" ++ path.sep_str ++ "_vscprintf_p.c",
"secapi" ++ path.sep_str ++ "_vscwprintf_p.c",
"secapi" ++ path.sep_str ++ "_vswprintf_p.c",
"secapi" ++ path.sep_str ++ "_waccess_s.c",
"secapi" ++ path.sep_str ++ "_wasctime_s.c",
"secapi" ++ path.sep_str ++ "_wctime32_s.c",
"secapi" ++ path.sep_str ++ "_wctime64_s.c",
"secapi" ++ path.sep_str ++ "_wstrtime_s.c",
"secapi" ++ path.sep_str ++ "_wmktemp_s.c",
"secapi" ++ path.sep_str ++ "_wstrdate_s.c",
"secapi" ++ path.sep_str ++ "asctime_s.c",
"secapi" ++ path.sep_str ++ "memcpy_s.c",
"secapi" ++ path.sep_str ++ "memmove_s.c",
"secapi" ++ path.sep_str ++ "rand_s.c",
"secapi" ++ path.sep_str ++ "sprintf_s.c",
"secapi" ++ path.sep_str ++ "strerror_s.c",
"secapi" ++ path.sep_str ++ "vsprintf_s.c",
"secapi" ++ path.sep_str ++ "wmemcpy_s.c",
"secapi" ++ path.sep_str ++ "wmemmove_s.c",
"stdio" ++ path.sep_str ++ "mingw_lock.c",
};
const msvcrt_i386_src = [_][]const u8{
"misc" ++ path.sep_str ++ "lc_locale_func.c",
"misc" ++ path.sep_str ++ "___mb_cur_max_func.c",
};
const msvcrt_other_src = [_][]const u8{
"misc" ++ path.sep_str ++ "__p___argv.c",
"misc" ++ path.sep_str ++ "__p__acmdln.c",
"misc" ++ path.sep_str ++ "__p__fmode.c",
"misc" ++ path.sep_str ++ "__p__wcmdln.c",
};
const mingwex_generic_src = [_][]const u8{
"complex" ++ path.sep_str ++ "_cabs.c",
"complex" ++ path.sep_str ++ "cabs.c",
"complex" ++ path.sep_str ++ "cabsf.c",
"complex" ++ path.sep_str ++ "cabsl.c",
"complex" ++ path.sep_str ++ "cacos.c",
"complex" ++ path.sep_str ++ "cacosf.c",
"complex" ++ path.sep_str ++ "cacosl.c",
"complex" ++ path.sep_str ++ "carg.c",
"complex" ++ path.sep_str ++ "cargf.c",
"complex" ++ path.sep_str ++ "cargl.c",
"complex" ++ path.sep_str ++ "casin.c",
"complex" ++ path.sep_str ++ "casinf.c",
"complex" ++ path.sep_str ++ "casinl.c",
"complex" ++ path.sep_str ++ "catan.c",
"complex" ++ path.sep_str ++ "catanf.c",
"complex" ++ path.sep_str ++ "catanl.c",
"complex" ++ path.sep_str ++ "ccos.c",
"complex" ++ path.sep_str ++ "ccosf.c",
"complex" ++ path.sep_str ++ "ccosl.c",
"complex" ++ path.sep_str ++ "cexp.c",
"complex" ++ path.sep_str ++ "cexpf.c",
"complex" ++ path.sep_str ++ "cexpl.c",
"complex" ++ path.sep_str ++ "cimag.c",
"complex" ++ path.sep_str ++ "cimagf.c",
"complex" ++ path.sep_str ++ "cimagl.c",
"complex" ++ path.sep_str ++ "clog.c",
"complex" ++ path.sep_str ++ "clog10.c",
"complex" ++ path.sep_str ++ "clog10f.c",
"complex" ++ path.sep_str ++ "clog10l.c",
"complex" ++ path.sep_str ++ "clogf.c",
"complex" ++ path.sep_str ++ "clogl.c",
"complex" ++ path.sep_str ++ "conj.c",
"complex" ++ path.sep_str ++ "conjf.c",
"complex" ++ path.sep_str ++ "conjl.c",
"complex" ++ path.sep_str ++ "cpow.c",
"complex" ++ path.sep_str ++ "cpowf.c",
"complex" ++ path.sep_str ++ "cpowl.c",
"complex" ++ path.sep_str ++ "cproj.c",
"complex" ++ path.sep_str ++ "cprojf.c",
"complex" ++ path.sep_str ++ "cprojl.c",
"complex" ++ path.sep_str ++ "creal.c",
"complex" ++ path.sep_str ++ "crealf.c",
"complex" ++ path.sep_str ++ "creall.c",
"complex" ++ path.sep_str ++ "csin.c",
"complex" ++ path.sep_str ++ "csinf.c",
"complex" ++ path.sep_str ++ "csinl.c",
"complex" ++ path.sep_str ++ "csqrt.c",
"complex" ++ path.sep_str ++ "csqrtf.c",
"complex" ++ path.sep_str ++ "csqrtl.c",
"complex" ++ path.sep_str ++ "ctan.c",
"complex" ++ path.sep_str ++ "ctanf.c",
"complex" ++ path.sep_str ++ "ctanl.c",
"crt" ++ path.sep_str ++ "dllentry.c",
"crt" ++ path.sep_str ++ "dllmain.c",
"gdtoa" ++ path.sep_str ++ "arithchk.c",
"gdtoa" ++ path.sep_str ++ "dmisc.c",
"gdtoa" ++ path.sep_str ++ "dtoa.c",
"gdtoa" ++ path.sep_str ++ "g__fmt.c",
"gdtoa" ++ path.sep_str ++ "g_dfmt.c",
"gdtoa" ++ path.sep_str ++ "g_ffmt.c",
"gdtoa" ++ path.sep_str ++ "g_xfmt.c",
"gdtoa" ++ path.sep_str ++ "gdtoa.c",
"gdtoa" ++ path.sep_str ++ "gethex.c",
"gdtoa" ++ path.sep_str ++ "gmisc.c",
"gdtoa" ++ path.sep_str ++ "hd_init.c",
"gdtoa" ++ path.sep_str ++ "hexnan.c",
"gdtoa" ++ path.sep_str ++ "misc.c",
"gdtoa" ++ path.sep_str ++ "qnan.c",
"gdtoa" ++ path.sep_str ++ "smisc.c",
"gdtoa" ++ path.sep_str ++ "strtodg.c",
"gdtoa" ++ path.sep_str ++ "strtodnrp.c",
"gdtoa" ++ path.sep_str ++ "strtof.c",
"gdtoa" ++ path.sep_str ++ "strtopx.c",
"gdtoa" ++ path.sep_str ++ "sum.c",
"gdtoa" ++ path.sep_str ++ "ulp.c",
"math" ++ path.sep_str ++ "abs64.c",
"math" ++ path.sep_str ++ "cbrt.c",
"math" ++ path.sep_str ++ "cbrtf.c",
"math" ++ path.sep_str ++ "cbrtl.c",
"math" ++ path.sep_str ++ "cephes_emath.c",
"math" ++ path.sep_str ++ "copysign.c",
"math" ++ path.sep_str ++ "copysignf.c",
"math" ++ path.sep_str ++ "coshf.c",
"math" ++ path.sep_str ++ "coshl.c",
"math" ++ path.sep_str ++ "erfl.c",
"math" ++ path.sep_str ++ "expf.c",
"math" ++ path.sep_str ++ "fabs.c",
"math" ++ path.sep_str ++ "fabsf.c",
"math" ++ path.sep_str ++ "fabsl.c",
"math" ++ path.sep_str ++ "fdim.c",
"math" ++ path.sep_str ++ "fdimf.c",
"math" ++ path.sep_str ++ "fdiml.c",
"math" ++ path.sep_str ++ "fma.c",
"math" ++ path.sep_str ++ "fmaf.c",
"math" ++ path.sep_str ++ "fmal.c",
"math" ++ path.sep_str ++ "fmax.c",
"math" ++ path.sep_str ++ "fmaxf.c",
"math" ++ path.sep_str ++ "fmaxl.c",
"math" ++ path.sep_str ++ "fmin.c",
"math" ++ path.sep_str ++ "fminf.c",
"math" ++ path.sep_str ++ "fminl.c",
"math" ++ path.sep_str ++ "fp_consts.c",
"math" ++ path.sep_str ++ "fp_constsf.c",
"math" ++ path.sep_str ++ "fp_constsl.c",
"math" ++ path.sep_str ++ "fpclassify.c",
"math" ++ path.sep_str ++ "fpclassifyf.c",
"math" ++ path.sep_str ++ "fpclassifyl.c",
"math" ++ path.sep_str ++ "frexpf.c",
"math" ++ path.sep_str ++ "hypot.c",
"math" ++ path.sep_str ++ "hypotf.c",
"math" ++ path.sep_str ++ "hypotl.c",
"math" ++ path.sep_str ++ "isnan.c",
"math" ++ path.sep_str ++ "isnanf.c",
"math" ++ path.sep_str ++ "isnanl.c",
"math" ++ path.sep_str ++ "ldexpf.c",
"math" ++ path.sep_str ++ "lgamma.c",
"math" ++ path.sep_str ++ "lgammaf.c",
"math" ++ path.sep_str ++ "lgammal.c",
"math" ++ path.sep_str ++ "llrint.c",
"math" ++ path.sep_str ++ "llrintf.c",
"math" ++ path.sep_str ++ "llrintl.c",
"math" ++ path.sep_str ++ "llround.c",
"math" ++ path.sep_str ++ "llroundf.c",
"math" ++ path.sep_str ++ "llroundl.c",
"math" ++ path.sep_str ++ "log10f.c",
"math" ++ path.sep_str ++ "logf.c",
"math" ++ path.sep_str ++ "lrint.c",
"math" ++ path.sep_str ++ "lrintf.c",
"math" ++ path.sep_str ++ "lrintl.c",
"math" ++ path.sep_str ++ "lround.c",
"math" ++ path.sep_str ++ "lroundf.c",
"math" ++ path.sep_str ++ "lroundl.c",
"math" ++ path.sep_str ++ "modf.c",
"math" ++ path.sep_str ++ "modff.c",
"math" ++ path.sep_str ++ "modfl.c",
"math" ++ path.sep_str ++ "nextafterf.c",
"math" ++ path.sep_str ++ "nextafterl.c",
"math" ++ path.sep_str ++ "nexttoward.c",
"math" ++ path.sep_str ++ "nexttowardf.c",
"math" ++ path.sep_str ++ "powf.c",
"math" ++ path.sep_str ++ "powi.c",
"math" ++ path.sep_str ++ "powif.c",
"math" ++ path.sep_str ++ "powil.c",
"math" ++ path.sep_str ++ "rint.c",
"math" ++ path.sep_str ++ "rintf.c",
"math" ++ path.sep_str ++ "rintl.c",
"math" ++ path.sep_str ++ "round.c",
"math" ++ path.sep_str ++ "roundf.c",
"math" ++ path.sep_str ++ "roundl.c",
"math" ++ path.sep_str ++ "s_erf.c",
"math" ++ path.sep_str ++ "sf_erf.c",
"math" ++ path.sep_str ++ "signbit.c",
"math" ++ path.sep_str ++ "signbitf.c",
"math" ++ path.sep_str ++ "signbitl.c",
"math" ++ path.sep_str ++ "signgam.c",
"math" ++ path.sep_str ++ "sinhf.c",
"math" ++ path.sep_str ++ "sinhl.c",
"math" ++ path.sep_str ++ "sqrt.c",
"math" ++ path.sep_str ++ "sqrtf.c",
"math" ++ path.sep_str ++ "sqrtl.c",
"math" ++ path.sep_str ++ "tanhf.c",
"math" ++ path.sep_str ++ "tanhl.c",
"math" ++ path.sep_str ++ "tgamma.c",
"math" ++ path.sep_str ++ "tgammaf.c",
"math" ++ path.sep_str ++ "tgammal.c",
"math" ++ path.sep_str ++ "truncl.c",
"misc" ++ path.sep_str ++ "alarm.c",
"misc" ++ path.sep_str ++ "basename.c",
"misc" ++ path.sep_str ++ "btowc.c",
"misc" ++ path.sep_str ++ "delay-f.c",
"misc" ++ path.sep_str ++ "delay-n.c",
"misc" ++ path.sep_str ++ "delayimp.c",
"misc" ++ path.sep_str ++ "dirent.c",
"misc" ++ path.sep_str ++ "dirname.c",
"misc" ++ path.sep_str ++ "feclearexcept.c",
"misc" ++ path.sep_str ++ "fegetenv.c",
"misc" ++ path.sep_str ++ "fegetexceptflag.c",
"misc" ++ path.sep_str ++ "fegetround.c",
"misc" ++ path.sep_str ++ "feholdexcept.c",
"misc" ++ path.sep_str ++ "feraiseexcept.c",
"misc" ++ path.sep_str ++ "fesetenv.c",
"misc" ++ path.sep_str ++ "fesetexceptflag.c",
"misc" ++ path.sep_str ++ "fesetround.c",
"misc" ++ path.sep_str ++ "fetestexcept.c",
"misc" ++ path.sep_str ++ "feupdateenv.c",
"misc" ++ path.sep_str ++ "ftruncate.c",
"misc" ++ path.sep_str ++ "ftw.c",
"misc" ++ path.sep_str ++ "ftw64.c",
"misc" ++ path.sep_str ++ "fwide.c",
"misc" ++ path.sep_str ++ "getlogin.c",
"misc" ++ path.sep_str ++ "getopt.c",
"misc" ++ path.sep_str ++ "gettimeofday.c",
"misc" ++ path.sep_str ++ "imaxabs.c",
"misc" ++ path.sep_str ++ "imaxdiv.c",
"misc" ++ path.sep_str ++ "isblank.c",
"misc" ++ path.sep_str ++ "iswblank.c",
"misc" ++ path.sep_str ++ "mbrtowc.c",
"misc" ++ path.sep_str ++ "mbsinit.c",
"misc" ++ path.sep_str ++ "mempcpy.c",
"misc" ++ path.sep_str ++ "mingw-aligned-malloc.c",
"misc" ++ path.sep_str ++ "mingw-fseek.c",
"misc" ++ path.sep_str ++ "mingw_getsp.S",
"misc" ++ path.sep_str ++ "mingw_matherr.c",
"misc" ++ path.sep_str ++ "mingw_mbwc_convert.c",
"misc" ++ path.sep_str ++ "mingw_usleep.c",
"misc" ++ path.sep_str ++ "mingw_wcstod.c",
"misc" ++ path.sep_str ++ "mingw_wcstof.c",
"misc" ++ path.sep_str ++ "mingw_wcstold.c",
"misc" ++ path.sep_str ++ "mkstemp.c",
"misc" ++ path.sep_str ++ "seterrno.c",
"misc" ++ path.sep_str ++ "sleep.c",
"misc" ++ path.sep_str ++ "strnlen.c",
"misc" ++ path.sep_str ++ "strsafe.c",
"misc" ++ path.sep_str ++ "strtoimax.c",
"misc" ++ path.sep_str ++ "strtold.c",
"misc" ++ path.sep_str ++ "strtoumax.c",
"misc" ++ path.sep_str ++ "tdelete.c",
"misc" ++ path.sep_str ++ "tfind.c",
"misc" ++ path.sep_str ++ "tsearch.c",
"misc" ++ path.sep_str ++ "twalk.c",
"misc" ++ path.sep_str ++ "uchar_c16rtomb.c",
"misc" ++ path.sep_str ++ "uchar_c32rtomb.c",
"misc" ++ path.sep_str ++ "uchar_mbrtoc16.c",
"misc" ++ path.sep_str ++ "uchar_mbrtoc32.c",
"misc" ++ path.sep_str ++ "wassert.c",
"misc" ++ path.sep_str ++ "wcrtomb.c",
"misc" ++ path.sep_str ++ "wcsnlen.c",
"misc" ++ path.sep_str ++ "wcstof.c",
"misc" ++ path.sep_str ++ "wcstoimax.c",
"misc" ++ path.sep_str ++ "wcstold.c",
"misc" ++ path.sep_str ++ "wcstoumax.c",
"misc" ++ path.sep_str ++ "wctob.c",
"misc" ++ path.sep_str ++ "wctrans.c",
"misc" ++ path.sep_str ++ "wctype.c",
"misc" ++ path.sep_str ++ "wdirent.c",
"misc" ++ path.sep_str ++ "winbs_uint64.c",
"misc" ++ path.sep_str ++ "winbs_ulong.c",
"misc" ++ path.sep_str ++ "winbs_ushort.c",
"misc" ++ path.sep_str ++ "wmemchr.c",
"misc" ++ path.sep_str ++ "wmemcmp.c",
"misc" ++ path.sep_str ++ "wmemcpy.c",
"misc" ++ path.sep_str ++ "wmemmove.c",
"misc" ++ path.sep_str ++ "wmempcpy.c",
"misc" ++ path.sep_str ++ "wmemset.c",
"stdio" ++ path.sep_str ++ "_Exit.c",
"stdio" ++ path.sep_str ++ "_findfirst64i32.c",
"stdio" ++ path.sep_str ++ "_findnext64i32.c",
"stdio" ++ path.sep_str ++ "_fstat.c",
"stdio" ++ path.sep_str ++ "_fstat64i32.c",
"stdio" ++ path.sep_str ++ "_ftime.c",
"stdio" ++ path.sep_str ++ "_getc_nolock.c",
"stdio" ++ path.sep_str ++ "_getwc_nolock.c",
"stdio" ++ path.sep_str ++ "_putc_nolock.c",
"stdio" ++ path.sep_str ++ "_putwc_nolock.c",
"stdio" ++ path.sep_str ++ "_stat.c",
"stdio" ++ path.sep_str ++ "_stat64i32.c",
"stdio" ++ path.sep_str ++ "_wfindfirst64i32.c",
"stdio" ++ path.sep_str ++ "_wfindnext64i32.c",
"stdio" ++ path.sep_str ++ "_wstat.c",
"stdio" ++ path.sep_str ++ "_wstat64i32.c",
"stdio" ++ path.sep_str ++ "asprintf.c",
"stdio" ++ path.sep_str ++ "atoll.c",
"stdio" ++ path.sep_str ++ "fgetpos64.c",
"stdio" ++ path.sep_str ++ "fopen64.c",
"stdio" ++ path.sep_str ++ "fseeko32.c",
"stdio" ++ path.sep_str ++ "fseeko64.c",
"stdio" ++ path.sep_str ++ "fsetpos64.c",
"stdio" ++ path.sep_str ++ "ftello.c",
"stdio" ++ path.sep_str ++ "ftello64.c",
"stdio" ++ path.sep_str ++ "ftruncate64.c",
"stdio" ++ path.sep_str ++ "lltoa.c",
"stdio" ++ path.sep_str ++ "lltow.c",
"stdio" ++ path.sep_str ++ "lseek64.c",
"stdio" ++ path.sep_str ++ "mingw_asprintf.c",
"stdio" ++ path.sep_str ++ "mingw_fprintf.c",
"stdio" ++ path.sep_str ++ "mingw_fprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_fscanf.c",
"stdio" ++ path.sep_str ++ "mingw_fwscanf.c",
"stdio" ++ path.sep_str ++ "mingw_pformat.c",
"stdio" ++ path.sep_str ++ "mingw_pformatw.c",
"stdio" ++ path.sep_str ++ "mingw_printf.c",
"stdio" ++ path.sep_str ++ "mingw_printfw.c",
"stdio" ++ path.sep_str ++ "mingw_scanf.c",
"stdio" ++ path.sep_str ++ "mingw_snprintf.c",
"stdio" ++ path.sep_str ++ "mingw_snprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_sprintf.c",
"stdio" ++ path.sep_str ++ "mingw_sprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_sscanf.c",
"stdio" ++ path.sep_str ++ "mingw_swscanf.c",
"stdio" ++ path.sep_str ++ "mingw_vasprintf.c",
"stdio" ++ path.sep_str ++ "mingw_vfprintf.c",
"stdio" ++ path.sep_str ++ "mingw_vfprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_vfscanf.c",
"stdio" ++ path.sep_str ++ "mingw_vprintf.c",
"stdio" ++ path.sep_str ++ "mingw_vprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_vsnprintf.c",
"stdio" ++ path.sep_str ++ "mingw_vsnprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_vsprintf.c",
"stdio" ++ path.sep_str ++ "mingw_vsprintfw.c",
"stdio" ++ path.sep_str ++ "mingw_wscanf.c",
"stdio" ++ path.sep_str ++ "mingw_wvfscanf.c",
"stdio" ++ path.sep_str ++ "scanf.S",
"stdio" ++ path.sep_str ++ "snprintf.c",
"stdio" ++ path.sep_str ++ "snwprintf.c",
"stdio" ++ path.sep_str ++ "strtof.c",
"stdio" ++ path.sep_str ++ "strtok_r.c",
"stdio" ++ path.sep_str ++ "truncate.c",
"stdio" ++ path.sep_str ++ "ulltoa.c",
"stdio" ++ path.sep_str ++ "ulltow.c",
"stdio" ++ path.sep_str ++ "vasprintf.c",
"stdio" ++ path.sep_str ++ "vfscanf.c",
"stdio" ++ path.sep_str ++ "vfscanf2.S",
"stdio" ++ path.sep_str ++ "vfwscanf.c",
"stdio" ++ path.sep_str ++ "vfwscanf2.S",
"stdio" ++ path.sep_str ++ "vscanf.c",
"stdio" ++ path.sep_str ++ "vscanf2.S",
"stdio" ++ path.sep_str ++ "vsnprintf.c",
"stdio" ++ path.sep_str ++ "vsnwprintf.c",
"stdio" ++ path.sep_str ++ "vsscanf.c",
"stdio" ++ path.sep_str ++ "vsscanf2.S",
"stdio" ++ path.sep_str ++ "vswscanf.c",
"stdio" ++ path.sep_str ++ "vswscanf2.S",
"stdio" ++ path.sep_str ++ "vwscanf.c",
"stdio" ++ path.sep_str ++ "vwscanf2.S",
"stdio" ++ path.sep_str ++ "wtoll.c",
};
const mingwex_x86_src = [_][]const u8{
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "acosf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "acosh.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "acoshf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "acoshl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "acosl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "asinf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "asinh.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "asinhf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "asinhl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "asinl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atan2.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atan2f.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atan2l.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atanf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atanh.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atanhf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atanhl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atanl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ceilf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ceill.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ceil.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "_chgsignl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "copysignl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "cos.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "cosf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "cosl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "cosl_internal.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "cossin.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "exp2f.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "exp2l.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "exp2.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "exp.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "expl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "expm1.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "expm1f.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "expm1l.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "floorf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "floorl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "floor.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fmod.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fmodf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fmodl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fucom.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ilogbf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ilogbl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ilogb.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "internal_logl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ldexp.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ldexpl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log10l.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log1pf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log1pl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log1p.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log2f.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log2l.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log2.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "logb.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "logbf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "logbl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "log.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "logl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "nearbyintf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "nearbyintl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "nearbyint.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "pow.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "powl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "remainderf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "remainderl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "remainder.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "remquof.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "remquol.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "remquo.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "scalbnf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "scalbnl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "scalbn.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "sin.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "sinf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "sinl.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "sinl_internal.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "tanf.c",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "tanl.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "truncf.S",
"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "trunc.S",
};
const mingwex_arm32_src = [_][]const u8{
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "_chgsignl.S",
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "exp2.c",
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "nearbyint.S",
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "nearbyintf.S",
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "nearbyintl.S",
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "trunc.S",
"math" ++ path.sep_str ++ "arm" ++ path.sep_str ++ "truncf.S",
};
const mingwex_arm64_src = [_][]const u8{
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "_chgsignl.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "exp2f.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "exp2.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "nearbyintf.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "nearbyintl.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "nearbyint.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "truncf.S",
"math" ++ path.sep_str ++ "arm64" ++ path.sep_str ++ "trunc.S",
};
const uuid_src = [_][]const u8{
"ativscp-uuid.c",
"atsmedia-uuid.c",
"bth-uuid.c",
"cguid-uuid.c",
"comcat-uuid.c",
"devguid.c",
"docobj-uuid.c",
"dxva-uuid.c",
"exdisp-uuid.c",
"extras-uuid.c",
"fwp-uuid.c",
"guid_nul.c",
"hlguids-uuid.c",
"hlink-uuid.c",
"mlang-uuid.c",
"msctf-uuid.c",
"mshtmhst-uuid.c",
"mshtml-uuid.c",
"msxml-uuid.c",
"netcon-uuid.c",
"ntddkbd-uuid.c",
"ntddmou-uuid.c",
"ntddpar-uuid.c",
"ntddscsi-uuid.c",
"ntddser-uuid.c",
"ntddstor-uuid.c",
"ntddvdeo-uuid.c",
"oaidl-uuid.c",
"objidl-uuid.c",
"objsafe-uuid.c",
"ocidl-uuid.c",
"oleacc-uuid.c",
"olectlid-uuid.c",
"oleidl-uuid.c",
"power-uuid.c",
"powrprof-uuid.c",
"uianimation-uuid.c",
"usbcamdi-uuid.c",
"usbiodef-uuid.c",
"uuid.c",
"vds-uuid.c",
"virtdisk-uuid.c",
"wia-uuid.c",
};
pub const always_link_libs = [_][]const u8{
"advapi32",
"kernel32",
"msvcrt",
"ntdll",
"shell32",
"user32",
};

3
src/musl.zig
View File

@ -7,9 +7,6 @@ const assert = std.debug.assert;
const target_util = @import("target.zig");
const Compilation = @import("Compilation.zig");
const build_options = @import("build_options");
const trace = @import("tracy.zig").trace;
const Cache = @import("Cache.zig");
const Package = @import("Package.zig");
pub const CRTFile = enum {
crti_o,

8
src/stage1.zig
View File

@ -121,6 +121,14 @@ pub const Module = extern struct {
verbose_cimport: bool,
verbose_llvm_cpu_features: bool,
// Set by stage1
have_c_main: bool,
have_winmain: bool,
have_wwinmain: bool,
have_winmain_crt_startup: bool,
have_wwinmain_crt_startup: bool,
have_dllmain_crt_startup: bool,
pub fn build_object(mod: *Module) void {
zig_stage1_build_object(mod);
}

6
src/stage1/all_types.hpp
View File

@ -2152,12 +2152,6 @@ struct CodeGen {
uint32_t next_unresolved_index;
unsigned pointer_size_bytes;
bool is_big_endian;
bool have_c_main;
bool have_winmain;
bool have_wwinmain;
bool have_winmain_crt_startup;
bool have_wwinmain_crt_startup;
bool have_dllmain_crt_startup;
bool have_err_ret_tracing;
bool verbose_tokenize;
bool verbose_ast;

12
src/stage1/analyze.cpp
View File

@ -3496,18 +3496,18 @@ void add_var_export(CodeGen *g, ZigVar *var, const char *symbol_name, GlobalLink
void add_fn_export(CodeGen *g, ZigFn *fn_table_entry, const char *symbol_name, GlobalLinkageId linkage, CallingConvention cc) {
if (cc == CallingConventionC && strcmp(symbol_name, "main") == 0 && g->link_libc) {
g->have_c_main = true;
g->stage1.have_c_main = true;
} else if (cc == CallingConventionStdcall && g->zig_target->os == OsWindows) {
if (strcmp(symbol_name, "WinMain") == 0) {
g->have_winmain = true;
g->stage1.have_winmain = true;
} else if (strcmp(symbol_name, "wWinMain") == 0) {
g->have_wwinmain = true;
g->stage1.have_wwinmain = true;
} else if (strcmp(symbol_name, "WinMainCRTStartup") == 0) {
g->have_winmain_crt_startup = true;
g->stage1.have_winmain_crt_startup = true;
} else if (strcmp(symbol_name, "wWinMainCRTStartup") == 0) {
g->have_wwinmain_crt_startup = true;
g->stage1.have_wwinmain_crt_startup = true;
} else if (strcmp(symbol_name, "DllMainCRTStartup") == 0) {
g->have_dllmain_crt_startup = true;
g->stage1.have_dllmain_crt_startup = true;
}
}

6
src/stage1/codegen.cpp
View File

@ -8666,11 +8666,11 @@ TargetSubsystem detect_subsystem(CodeGen *g) {
if (g->subsystem != TargetSubsystemAuto)
return g->subsystem;
if (g->zig_target->os == OsWindows) {
if (g->have_dllmain_crt_startup)
if (g->stage1.have_dllmain_crt_startup)
return TargetSubsystemAuto;
if (g->have_c_main || g->is_test_build || g->have_winmain_crt_startup || g->have_wwinmain_crt_startup)
if (g->stage1.have_c_main || g->is_test_build || g->stage1.have_winmain_crt_startup || g->stage1.have_wwinmain_crt_startup)
return TargetSubsystemConsole;
if (g->have_winmain || g->have_wwinmain)
if (g->stage1.have_winmain || g->stage1.have_wwinmain)
return TargetSubsystemWindows;
} else if (g->zig_target->os == OsUefi) {
return TargetSubsystemEfiApplication;

8
src/stage1/stage1.h
View File

@ -195,6 +195,14 @@ struct ZigStage1 {
bool verbose_llvm_ir;
bool verbose_cimport;
bool verbose_llvm_cpu_features;
// Set by stage1
bool have_c_main;
bool have_winmain;
bool have_wwinmain;
bool have_winmain_crt_startup;
bool have_wwinmain_crt_startup;
bool have_dllmain_crt_startup;
};
ZIG_EXTERN_C void zig_stage1_os_init(void);