Merge pull request #8837 from ziglang/cc-wasm32-wasi

cc,wasi: ship WASI libc and autobuild it when needed

6 files changed, 1078 insertions, 12 deletions

diff --git a/src/Compilation.zig b/src/Compilation.zig
index f3059a25a5..c11a273a4d 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -21,6 +21,7 @@ const musl = @import("musl.zig");
 const mingw = @import("mingw.zig");
 const libunwind = @import("libunwind.zig");
 const libcxx = @import("libcxx.zig");
+const wasi_libc = @import("wasi_libc.zig");
 const fatal = @import("main.zig").fatal;
 const Module = @import("Module.zig");
 const Cache = @import("Cache.zig");
@@ -202,6 +203,8 @@ const Job = union(enum) {
     /// needed when not linking libc and using LLVM for code generation because it generates
     /// calls to, for example, memcpy and memset.
     zig_libc: void,
+    /// WASI libc sysroot
+    wasi_libc_sysroot: void,
 
     /// Use stage1 C++ code to compile zig code into an object file.
     stage1_module: void,
@@ -276,6 +279,7 @@ pub const MiscTask = enum {
     libcxx,
     libcxxabi,
     libtsan,
+    wasi_libc_sysroot,
     compiler_rt,
     libssp,
     zig_libc,
@@ -769,8 +773,8 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
         .Lib => is_dyn_lib,
         .Exe => true,
     };
-    const needs_c_symbols = !options.skip_linker_dependencies and
-        (is_exe_or_dyn_lib or (options.target.isWasm() and options.output_mode != .Obj));
+
+    const needs_c_symbols = !options.skip_linker_dependencies and is_exe_or_dyn_lib;
 
     const comp: *Compilation = comp: {
         // For allocations that have the same lifetime as Compilation. This arena is used only during this
@@ -1417,6 +1421,9 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
                 },
             });
         }
+        if (comp.wantBuildWasiLibcSysrootFromSource()) {
+            try comp.work_queue.write(&[_]Job{.{ .wasi_libc_sysroot = {} }});
+        }
         if (comp.wantBuildMinGWFromSource()) {
             const static_lib_jobs = [_]Job{
                 .{ .mingw_crt_file = .mingw32_lib },
@@ -1458,7 +1465,7 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
         // Once it is capable this condition should be removed.
         if (build_options.is_stage1) {
             if (comp.bin_file.options.include_compiler_rt) {
-                if (is_exe_or_dyn_lib or comp.getTarget().isWasm()) {
+                if (is_exe_or_dyn_lib) {
                     try comp.work_queue.writeItem(.{ .compiler_rt_lib = {} });
                 } else {
                     try comp.work_queue.writeItem(.{ .compiler_rt_obj = {} });
@@ -2142,6 +2149,16 @@ pub fn performAllTheWork(self: *Compilation) error{ TimerUnsupported, OutOfMemor
                 );
             };
         },
+        .wasi_libc_sysroot => {
+            wasi_libc.buildWasiLibcSysroot(self) catch |err| {
+                // TODO Surface more error details.
+                try self.setMiscFailure(
+                    .wasi_libc_sysroot,
+                    "unable to build WASI libc sysroot: {s}",
+                    .{@errorName(err)},
+                );
+            };
+        },
         .compiler_rt_lib => {
             self.buildOutputFromZig(
                 "compiler_rt.zig",
@@ -2882,7 +2899,7 @@ pub fn addCCArgs(
                     try argv.append("-D_DEBUG");
                     try argv.append("-Og");
 
-                    if (comp.bin_file.options.link_libc) {
+                    if (comp.bin_file.options.link_libc and target.os.tag != .wasi) {
                         try argv.append("-fstack-protector-strong");
                         try argv.append("--param");
                         try argv.append("ssp-buffer-size=4");
@@ -2894,7 +2911,7 @@ pub fn addCCArgs(
                     // See the comment in the BuildModeFastRelease case for why we pass -O2 rather
                     // than -O3 here.
                     try argv.append("-O2");
-                    if (comp.bin_file.options.link_libc) {
+                    if (comp.bin_file.options.link_libc and target.os.tag != .wasi) {
                         try argv.append("-D_FORTIFY_SOURCE=2");
                         try argv.append("-fstack-protector-strong");
                         try argv.append("--param");
@@ -3248,7 +3265,8 @@ 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.wantBuildMinGWFromSource())
+        comp.wantBuildMinGWFromSource() or
+        comp.wantBuildWasiLibcSysrootFromSource())
     {
         return comp.crt_files.get(basename).?.full_object_path;
     }
@@ -3288,6 +3306,10 @@ fn wantBuildMuslFromSource(comp: Compilation) bool {
         !comp.getTarget().isWasm();
 }
 
+fn wantBuildWasiLibcSysrootFromSource(comp: Compilation) bool {
+    return comp.wantBuildLibCFromSource() and comp.getTarget().isWasm();
+}
+
 fn wantBuildMinGWFromSource(comp: Compilation) bool {
     return comp.wantBuildLibCFromSource() and comp.getTarget().isMinGW();
 }
@@ -3591,11 +3613,10 @@ fn buildOutputFromZig(
     };
     const root_name = src_basename[0 .. src_basename.len - std.fs.path.extension(src_basename).len];
     const target = comp.getTarget();
-    const fixed_output_mode = if (target.cpu.arch.isWasm()) .Obj else output_mode;
     const bin_basename = try std.zig.binNameAlloc(comp.gpa, .{
         .root_name = root_name,
         .target = target,
-        .output_mode = fixed_output_mode,
+        .output_mode = output_mode,
     });
     defer comp.gpa.free(bin_basename);
 
@@ -3610,7 +3631,7 @@ fn buildOutputFromZig(
         .target = target,
         .root_name = root_name,
         .root_pkg = &root_pkg,
-        .output_mode = fixed_output_mode,
+        .output_mode = output_mode,
         .thread_pool = comp.thread_pool,
         .libc_installation = comp.bin_file.options.libc_installation,
         .emit_bin = emit_bin,
diff --git a/src/link.zig b/src/link.zig
index 33b73a3360..7338593a0e 100644
--- a/src/link.zig
+++ b/src/link.zig
@@ -412,9 +412,7 @@ pub const File = struct {
             return;
         }
         const use_lld = build_options.have_llvm and base.options.use_lld;
-        if (use_lld and base.options.output_mode == .Lib and base.options.link_mode == .Static and
-            !base.options.target.isWasm())
-        {
+        if (use_lld and base.options.output_mode == .Lib and base.options.link_mode == .Static) {
             return base.linkAsArchive(comp);
         }
         switch (base.tag) {
diff --git a/src/link/Wasm.zig b/src/link/Wasm.zig
index 41b08b09d6..8e296b2b6a 100644
--- a/src/link/Wasm.zig
+++ b/src/link/Wasm.zig
@@ -573,6 +573,7 @@ fn linkWithLLD(self: *Wasm, comp: *Compilation) !void {
         null;
 
     const target = self.base.options.target;
+    const link_in_crt = self.base.options.link_libc and self.base.options.output_mode == .Exe;
 
     const id_symlink_basename = "lld.id";
 
@@ -695,6 +696,18 @@ fn linkWithLLD(self: *Wasm, comp: *Compilation) !void {
             full_out_path,
         });
 
+        if (link_in_crt) {
+            // TODO work out if we want standard crt, a reactor or a command
+            try argv.append(try comp.get_libc_crt_file(arena, "crt.o.wasm"));
+        }
+
+        if (!is_obj and self.base.options.link_libc) {
+            try argv.append(try comp.get_libc_crt_file(arena, switch (self.base.options.link_mode) {
+                .Static => "libc.a",
+                .Dynamic => unreachable,
+            }));
+        }
+
         // Positional arguments to the linker such as object files.
         try argv.appendSlice(self.base.options.objects);
 
diff --git a/src/main.zig b/src/main.zig
index b388329508..86d017b3b7 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -1548,6 +1548,12 @@ fn buildOutputType(
             link_libcpp = true;
     }
 
+    if (cross_target.getCpuArch().isWasm() and output_mode == .Lib and link_mode == null) {
+        // If link_mode is unspecified, always link as dynamic library when targeting Wasm,
+        // so that wasm-ld is invoked rather than standard archiver.
+        link_mode = .Dynamic;
+    }
+
     // Now that we have target info, we can find out if any of the system libraries
     // are part of libc or libc++. We remove them from the list and communicate their
     // existence via flags instead.
diff --git a/src/target.zig b/src/target.zig
index 28b4771d0a..2a3b1d858c 100644
--- a/src/target.zig
+++ b/src/target.zig
@@ -57,6 +57,7 @@ pub const available_libcs = [_]ArchOsAbi{
     .{ .arch = .sparc, .os = .linux, .abi = .gnu },
     .{ .arch = .sparcv9, .os = .linux, .abi = .gnu },
     .{ .arch = .wasm32, .os = .freestanding, .abi = .musl },
+    .{ .arch = .wasm32, .os = .wasi, .abi = .musl },
     .{ .arch = .x86_64, .os = .linux, .abi = .gnu },
     .{ .arch = .x86_64, .os = .linux, .abi = .gnux32 },
     .{ .arch = .x86_64, .os = .linux, .abi = .musl },
@@ -145,6 +146,7 @@ pub fn libcNeedsLibUnwind(target: std.Target) bool {
         .watchos,
         .tvos,
         .freestanding,
+        .wasi, // Wasm/WASI currently doesn't offer support for libunwind, so don't link it.
         => false,
 
         .windows => target.abi != .msvc,
diff --git a/src/wasi_libc.zig b/src/wasi_libc.zig
new file mode 100644
index 0000000000..0885f4c5be
--- /dev/null
+++ b/src/wasi_libc.zig
@@ -0,0 +1,1026 @@
+const std = @import("std");
+const path = std.fs.path;
+
+const Allocator = std.mem.Allocator;
+const Compilation = @import("Compilation.zig");
+const build_options = @import("build_options");
+const target_util = @import("target.zig");
+
+pub fn buildWasiLibcSysroot(comp: *Compilation) !void {
+    if (!build_options.have_llvm) {
+        return error.ZigCompilerNotBuiltWithLLVMExtensions;
+    }
+
+    const gpa = comp.gpa;
+    var arena_allocator = std.heap.ArenaAllocator.init(gpa);
+    defer arena_allocator.deinit();
+    const arena = &arena_allocator.allocator;
+
+    {
+        // Compile crt sources.
+        var args = std.ArrayList([]const u8).init(arena);
+        try addCCArgs(comp, arena, &args, false);
+        try args.appendSlice(&[_][]const u8{
+            "-I",
+            try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                "libc",
+                "wasi",
+                "libc-bottom-half",
+                "headers",
+                "private",
+            }),
+
+            "-I",
+            try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                "libc",
+                "wasi",
+                "libc-bottom-half",
+                "cloudlibc",
+                "src",
+                "include",
+            }),
+
+            "-I",
+            try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                "libc",
+                "wasi",
+                "libc-bottom-half",
+                "cloudlibc",
+                "src",
+            }),
+        });
+
+        var comp_sources = std.ArrayList(Compilation.CSourceFile).init(arena);
+        for (crt_src_files) |file_path| {
+            try comp_sources.append(.{
+                .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc", try sanitize(arena, file_path),
+                }),
+                .extra_flags = args.items,
+            });
+        }
+        try comp.build_crt_file("crt", .Obj, comp_sources.items);
+    }
+
+    {
+        // Compile WASI libc (sysroot).
+        var comp_sources = std.ArrayList(Compilation.CSourceFile).init(arena);
+
+        {
+            // Compile dlmalloc.
+            var args = std.ArrayList([]const u8).init(arena);
+            try addCCArgs(comp, arena, &args, true);
+            try args.appendSlice(&[_][]const u8{
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "dlmalloc",
+                    "include",
+                }),
+            });
+
+            for (dlmalloc_src_files) |file_path| {
+                try comp_sources.append(.{
+                    .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                        "libc", try sanitize(arena, file_path),
+                    }),
+                    .extra_flags = args.items,
+                });
+            }
+        }
+
+        {
+            // Compile libc-bottom-half.
+            var args = std.ArrayList([]const u8).init(arena);
+            try addCCArgs(comp, arena, &args, true);
+            try args.appendSlice(&[_][]const u8{
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-bottom-half",
+                    "headers",
+                    "private",
+                }),
+
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-bottom-half",
+                    "cloudlibc",
+                    "src",
+                }),
+
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-bottom-half",
+                    "cloudlibc",
+                    "src",
+                    "include",
+                }),
+            });
+
+            for (libc_bottom_half_src_files) |file_path| {
+                try comp_sources.append(.{
+                    .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                        "libc", try sanitize(arena, file_path),
+                    }),
+                    .extra_flags = args.items,
+                });
+            }
+        }
+
+        {
+            // Compile libc-top-half.
+            var args = std.ArrayList([]const u8).init(arena);
+            try addCCArgs(comp, arena, &args, true);
+            try args.appendSlice(&[_][]const u8{
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-top-half",
+                    "musl",
+                    "src",
+                    "include",
+                }),
+
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-top-half",
+                    "musl",
+                    "src",
+                    "internal",
+                }),
+
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-top-half",
+                    "musl",
+                    "arch",
+                    "wasm32",
+                }),
+
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-top-half",
+                    "musl",
+                    "arch",
+                    "generic",
+                }),
+
+                "-I",
+                try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                    "libc",
+                    "wasi",
+                    "libc-top-half",
+                    "headers",
+                    "private",
+                }),
+            });
+
+            for (libc_top_half_src_files) |file_path| {
+                try comp_sources.append(.{
+                    .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{
+                        "libc", try sanitize(arena, file_path),
+                    }),
+                    .extra_flags = args.items,
+                });
+            }
+        }
+
+        try comp.build_crt_file("c", .Lib, comp_sources.items);
+    }
+}
+
+fn sanitize(arena: *Allocator, file_path: []const u8) ![]const u8 {
+    // TODO do this at comptime on the comptime data rather than at runtime
+    // probably best to wait until self-hosted is done and our comptime execution
+    // is faster and uses less memory.
+    const out_path = if (path.sep != '/') blk: {
+        const mutable_file_path = try arena.dupe(u8, file_path);
+        for (mutable_file_path) |*c| {
+            if (c.* == '/') {
+                c.* = path.sep;
+            }
+        }
+        break :blk mutable_file_path;
+    } else file_path;
+    return out_path;
+}
+
+fn addCCArgs(
+    comp: *Compilation,
+    arena: *Allocator,
+    args: *std.ArrayList([]const u8),
+    want_O3: bool,
+) error{OutOfMemory}!void {
+    const target = comp.getTarget();
+    const arch_name = target_util.archMuslName(target.cpu.arch);
+    const os_name = @tagName(target.os.tag);
+    const triple = try std.fmt.allocPrint(arena, "{s}-{s}-musl", .{ arch_name, os_name });
+    const o_arg = if (want_O3) "-O3" else "-Os";
+
+    try args.appendSlice(&[_][]const u8{
+        "-std=gnu17",
+        "-fno-trapping-math",
+        "-fno-stack-protector",
+        "-w", // ignore all warnings
+
+        o_arg,
+
+        "-mthread-model",
+        "single",
+
+        "-iwithsysroot",
+        try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libc", "include", triple }),
+    });
+}
+
+const dlmalloc_src_files = [_][]const u8{
+    "wasi/dlmalloc/src/dlmalloc.c",
+};
+
+const libc_bottom_half_src_files = [_][]const u8{
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/closedir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/dirfd.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/fdopendir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/readdir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/scandirat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/telldir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/fdclosedir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/opendirat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/rewinddir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/dirent/seekdir.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/errno/errno.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/fcntl/fcntl.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/fcntl/openat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/fcntl/posix_fadvise.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/fcntl/posix_fallocate.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/poll/poll.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sched/sched_yield.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/stdio/renameat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/stdlib/_Exit.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/ioctl/ioctl.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/select/pselect.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/select/select.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/socket/getsockopt.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/socket/recv.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/socket/send.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/socket/shutdown.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/stat/fstatat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/stat/fstat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/stat/futimens.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/stat/mkdirat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/stat/utimensat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/time/gettimeofday.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/uio/preadv.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/uio/pwritev.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/uio/readv.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/sys/uio/writev.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/clock_getres.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/clock_gettime.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/CLOCK_MONOTONIC.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/clock_nanosleep.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/CLOCK_PROCESS_CPUTIME_ID.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/CLOCK_REALTIME.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/CLOCK_THREAD_CPUTIME_ID.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/nanosleep.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/time/time.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/close.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/faccessat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/fdatasync.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/fsync.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/ftruncate.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/linkat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/lseek.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/pread.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/pwrite.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/read.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/readlinkat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/sleep.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/symlinkat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/unlinkat.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/usleep.c",
+    "wasi/libc-bottom-half/cloudlibc/src/libc/unistd/write.c",
+    "wasi/libc-bottom-half/sources/abort.c",
+    "wasi/libc-bottom-half/sources/at_fdcwd.c",
+    "wasi/libc-bottom-half/sources/complex-builtins.c",
+    "wasi/libc-bottom-half/sources/environ.c",
+    "wasi/libc-bottom-half/sources/errno.c",
+    "wasi/libc-bottom-half/sources/getcwd.c",
+    "wasi/libc-bottom-half/sources/getentropy.c",
+    "wasi/libc-bottom-half/sources/isatty.c",
+    "wasi/libc-bottom-half/sources/__main_argc_argv.c",
+    "wasi/libc-bottom-half/sources/__main_void.c",
+    "wasi/libc-bottom-half/sources/__original_main.c",
+    "wasi/libc-bottom-half/sources/posix.c",
+    "wasi/libc-bottom-half/sources/preopens.c",
+    "wasi/libc-bottom-half/sources/reallocarray.c",
+    "wasi/libc-bottom-half/sources/sbrk.c",
+    "wasi/libc-bottom-half/sources/truncate.c",
+    "wasi/libc-bottom-half/sources/__wasilibc_fd_renumber.c",
+    "wasi/libc-bottom-half/sources/__wasilibc_initialize_environ.c",
+    "wasi/libc-bottom-half/sources/__wasilibc_real.c",
+    "wasi/libc-bottom-half/sources/__wasilibc_rmdirat.c",
+    "wasi/libc-bottom-half/sources/__wasilibc_tell.c",
+    "wasi/libc-bottom-half/sources/__wasilibc_unlinkat.c",
+    "wasi/libc-bottom-half/sources/math/fmin-fmax.c",
+    "wasi/libc-bottom-half/sources/math/math-builtins.c",
+    // TODO apparently, due to a bug in LLD, the weak refs are garbled
+    // unless chdir.c is last in the archive
+    // https://reviews.llvm.org/D85567
+    "wasi/libc-bottom-half/sources/chdir.c",
+};
+
+const libc_top_half_src_files = [_][]const u8{
+    "wasi/libc-top-half/musl/src/misc/a64l.c",
+    "wasi/libc-top-half/musl/src/misc/basename.c",
+    "wasi/libc-top-half/musl/src/misc/dirname.c",
+    "wasi/libc-top-half/musl/src/misc/ffs.c",
+    "wasi/libc-top-half/musl/src/misc/ffsl.c",
+    "wasi/libc-top-half/musl/src/misc/ffsll.c",
+    "wasi/libc-top-half/musl/src/misc/fmtmsg.c",
+    "wasi/libc-top-half/musl/src/misc/getdomainname.c",
+    "wasi/libc-top-half/musl/src/misc/gethostid.c",
+    "wasi/libc-top-half/musl/src/misc/getopt.c",
+    "wasi/libc-top-half/musl/src/misc/getopt_long.c",
+    "wasi/libc-top-half/musl/src/misc/getsubopt.c",
+    "wasi/libc-top-half/musl/src/misc/uname.c",
+    "wasi/libc-top-half/musl/src/misc/nftw.c",
+    "wasi/libc-top-half/musl/src/errno/strerror.c",
+    "wasi/libc-top-half/musl/src/network/htonl.c",
+    "wasi/libc-top-half/musl/src/network/htons.c",
+    "wasi/libc-top-half/musl/src/network/ntohl.c",
+    "wasi/libc-top-half/musl/src/network/ntohs.c",
+    "wasi/libc-top-half/musl/src/network/inet_ntop.c",
+    "wasi/libc-top-half/musl/src/network/inet_pton.c",
+    "wasi/libc-top-half/musl/src/network/inet_aton.c",
+    "wasi/libc-top-half/musl/src/network/in6addr_any.c",
+    "wasi/libc-top-half/musl/src/network/in6addr_loopback.c",
+    "wasi/libc-top-half/musl/src/fenv/fenv.c",
+    "wasi/libc-top-half/musl/src/fenv/fesetround.c",
+    "wasi/libc-top-half/musl/src/fenv/feupdateenv.c",
+    "wasi/libc-top-half/musl/src/fenv/fesetexceptflag.c",
+    "wasi/libc-top-half/musl/src/fenv/fegetexceptflag.c",
+    "wasi/libc-top-half/musl/src/fenv/feholdexcept.c",
+    "wasi/libc-top-half/musl/src/exit/exit.c",
+    "wasi/libc-top-half/musl/src/exit/atexit.c",
+    "wasi/libc-top-half/musl/src/exit/assert.c",
+    "wasi/libc-top-half/musl/src/exit/quick_exit.c",
+    "wasi/libc-top-half/musl/src/exit/at_quick_exit.c",
+    "wasi/libc-top-half/musl/src/time/strftime.c",
+    "wasi/libc-top-half/musl/src/time/asctime.c",
+    "wasi/libc-top-half/musl/src/time/asctime_r.c",
+    "wasi/libc-top-half/musl/src/time/ctime.c",
+    "wasi/libc-top-half/musl/src/time/ctime_r.c",
+    "wasi/libc-top-half/musl/src/time/wcsftime.c",
+    "wasi/libc-top-half/musl/src/time/strptime.c",
+    "wasi/libc-top-half/musl/src/time/difftime.c",
+    "wasi/libc-top-half/musl/src/time/timegm.c",
+    "wasi/libc-top-half/musl/src/time/ftime.c",
+    "wasi/libc-top-half/musl/src/time/gmtime.c",
+    "wasi/libc-top-half/musl/src/time/gmtime_r.c",
+    "wasi/libc-top-half/musl/src/time/timespec_get.c",
+    "wasi/libc-top-half/musl/src/time/getdate.c",
+    "wasi/libc-top-half/musl/src/time/localtime.c",
+    "wasi/libc-top-half/musl/src/time/localtime_r.c",
+    "wasi/libc-top-half/musl/src/time/mktime.c",
+    "wasi/libc-top-half/musl/src/time/__tm_to_secs.c",
+    "wasi/libc-top-half/musl/src/time/__month_to_secs.c",
+    "wasi/libc-top-half/musl/src/time/__secs_to_tm.c",
+    "wasi/libc-top-half/musl/src/time/__year_to_secs.c",
+    "wasi/libc-top-half/musl/src/time/__tz.c",
+    "wasi/libc-top-half/musl/src/fcntl/creat.c",
+    "wasi/libc-top-half/musl/src/dirent/alphasort.c",
+    "wasi/libc-top-half/musl/src/dirent/versionsort.c",
+    "wasi/libc-top-half/musl/src/env/clearenv.c",
+    "wasi/libc-top-half/musl/src/env/getenv.c",
+    "wasi/libc-top-half/musl/src/env/putenv.c",
+    "wasi/libc-top-half/musl/src/env/setenv.c",
+    "wasi/libc-top-half/musl/src/env/unsetenv.c",
+    "wasi/libc-top-half/musl/src/unistd/posix_close.c",
+    "wasi/libc-top-half/musl/src/internal/defsysinfo.c",
+    "wasi/libc-top-half/musl/src/internal/floatscan.c",
+    "wasi/libc-top-half/musl/src/internal/intscan.c",
+    "wasi/libc-top-half/musl/src/internal/libc.c",
+    "wasi/libc-top-half/musl/src/internal/shgetc.c",
+    "wasi/libc-top-half/musl/src/stdio/asprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/clearerr.c",
+    "wasi/libc-top-half/musl/src/stdio/dprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/ext2.c",
+    "wasi/libc-top-half/musl/src/stdio/ext.c",
+    "wasi/libc-top-half/musl/src/stdio/fclose.c",
+    "wasi/libc-top-half/musl/src/stdio/__fclose_ca.c",
+    "wasi/libc-top-half/musl/src/stdio/__fdopen.c",
+    "wasi/libc-top-half/musl/src/stdio/feof.c",
+    "wasi/libc-top-half/musl/src/stdio/ferror.c",
+    "wasi/libc-top-half/musl/src/stdio/fflush.c",
+    "wasi/libc-top-half/musl/src/stdio/fgetc.c",
+    "wasi/libc-top-half/musl/src/stdio/fgetln.c",
+    "wasi/libc-top-half/musl/src/stdio/fgetpos.c",
+    "wasi/libc-top-half/musl/src/stdio/fgets.c",
+    "wasi/libc-top-half/musl/src/stdio/fgetwc.c",
+    "wasi/libc-top-half/musl/src/stdio/fgetws.c",
+    "wasi/libc-top-half/musl/src/stdio/fileno.c",
+    "wasi/libc-top-half/musl/src/stdio/fmemopen.c",
+    "wasi/libc-top-half/musl/src/stdio/__fmodeflags.c",
+    "wasi/libc-top-half/musl/src/stdio/fopen.c",
+    "wasi/libc-top-half/musl/src/stdio/fopencookie.c",
+    "wasi/libc-top-half/musl/src/stdio/__fopen_rb_ca.c",
+    "wasi/libc-top-half/musl/src/stdio/fprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/fputc.c",
+    "wasi/libc-top-half/musl/src/stdio/fputs.c",
+    "wasi/libc-top-half/musl/src/stdio/fputwc.c",
+    "wasi/libc-top-half/musl/src/stdio/fputws.c",
+    "wasi/libc-top-half/musl/src/stdio/fread.c",
+    "wasi/libc-top-half/musl/src/stdio/freopen.c",
+    "wasi/libc-top-half/musl/src/stdio/fscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/fseek.c",
+    "wasi/libc-top-half/musl/src/stdio/fsetpos.c",
+    "wasi/libc-top-half/musl/src/stdio/ftell.c",
+    "wasi/libc-top-half/musl/src/stdio/fwide.c",
+    "wasi/libc-top-half/musl/src/stdio/fwprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/fwrite.c",
+    "wasi/libc-top-half/musl/src/stdio/fwscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/getc.c",
+    "wasi/libc-top-half/musl/src/stdio/getchar.c",
+    "wasi/libc-top-half/musl/src/stdio/getchar_unlocked.c",
+    "wasi/libc-top-half/musl/src/stdio/getc_unlocked.c",
+    "wasi/libc-top-half/musl/src/stdio/getdelim.c",
+    "wasi/libc-top-half/musl/src/stdio/getline.c",
+    "wasi/libc-top-half/musl/src/stdio/getw.c",
+    "wasi/libc-top-half/musl/src/stdio/getwc.c",
+    "wasi/libc-top-half/musl/src/stdio/getwchar.c",
+    "wasi/libc-top-half/musl/src/stdio/ofl_add.c",
+    "wasi/libc-top-half/musl/src/stdio/ofl.c",
+    "wasi/libc-top-half/musl/src/stdio/open_memstream.c",
+    "wasi/libc-top-half/musl/src/stdio/open_wmemstream.c",
+    "wasi/libc-top-half/musl/src/stdio/__overflow.c",
+    "wasi/libc-top-half/musl/src/stdio/perror.c",
+    "wasi/libc-top-half/musl/src/stdio/printf.c",
+    "wasi/libc-top-half/musl/src/stdio/putc.c",
+    "wasi/libc-top-half/musl/src/stdio/putchar.c",
+    "wasi/libc-top-half/musl/src/stdio/putchar_unlocked.c",
+    "wasi/libc-top-half/musl/src/stdio/putc_unlocked.c",
+    "wasi/libc-top-half/musl/src/stdio/puts.c",
+    "wasi/libc-top-half/musl/src/stdio/putw.c",
+    "wasi/libc-top-half/musl/src/stdio/putwc.c",
+    "wasi/libc-top-half/musl/src/stdio/putwchar.c",
+    "wasi/libc-top-half/musl/src/stdio/rewind.c",
+    "wasi/libc-top-half/musl/src/stdio/scanf.c",
+    "wasi/libc-top-half/musl/src/stdio/setbuf.c",
+    "wasi/libc-top-half/musl/src/stdio/setbuffer.c",
+    "wasi/libc-top-half/musl/src/stdio/setlinebuf.c",
+    "wasi/libc-top-half/musl/src/stdio/setvbuf.c",
+    "wasi/libc-top-half/musl/src/stdio/snprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/sprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/sscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/stderr.c",
+    "wasi/libc-top-half/musl/src/stdio/stdin.c",
+    "wasi/libc-top-half/musl/src/stdio/__stdio_close.c",
+    "wasi/libc-top-half/musl/src/stdio/__stdio_exit.c",
+    "wasi/libc-top-half/musl/src/stdio/__stdio_read.c",
+    "wasi/libc-top-half/musl/src/stdio/__stdio_seek.c",
+    "wasi/libc-top-half/musl/src/stdio/__stdio_write.c",
+    "wasi/libc-top-half/musl/src/stdio/stdout.c",
+    "wasi/libc-top-half/musl/src/stdio/__stdout_write.c",
+    "wasi/libc-top-half/musl/src/stdio/swprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/swscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/__toread.c",
+    "wasi/libc-top-half/musl/src/stdio/__towrite.c",
+    "wasi/libc-top-half/musl/src/stdio/__uflow.c",
+    "wasi/libc-top-half/musl/src/stdio/ungetc.c",
+    "wasi/libc-top-half/musl/src/stdio/ungetwc.c",
+    "wasi/libc-top-half/musl/src/stdio/vasprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vdprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vfprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vfscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/vfwprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vfwscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/vprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/vsnprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vsprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vsscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/vswprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vswscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/vwprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/vwscanf.c",
+    "wasi/libc-top-half/musl/src/stdio/wprintf.c",
+    "wasi/libc-top-half/musl/src/stdio/wscanf.c",
+    "wasi/libc-top-half/musl/src/string/bcmp.c",
+    "wasi/libc-top-half/musl/src/string/bcopy.c",
+    "wasi/libc-top-half/musl/src/string/bzero.c",
+    "wasi/libc-top-half/musl/src/string/explicit_bzero.c",
+    "wasi/libc-top-half/musl/src/string/index.c",
+    "wasi/libc-top-half/musl/src/string/memccpy.c",
+    "wasi/libc-top-half/musl/src/string/memchr.c",
+    "wasi/libc-top-half/musl/src/string/memcmp.c",
+    "wasi/libc-top-half/musl/src/string/memcpy.c",
+    "wasi/libc-top-half/musl/src/string/memmem.c",
+    "wasi/libc-top-half/musl/src/string/memmove.c",
+    "wasi/libc-top-half/musl/src/string/mempcpy.c",
+    "wasi/libc-top-half/musl/src/string/memrchr.c",
+    "wasi/libc-top-half/musl/src/string/memset.c",
+    "wasi/libc-top-half/musl/src/string/rindex.c",
+    "wasi/libc-top-half/musl/src/string/stpcpy.c",
+    "wasi/libc-top-half/musl/src/string/stpncpy.c",
+    "wasi/libc-top-half/musl/src/string/strcasecmp.c",
+    "wasi/libc-top-half/musl/src/string/strcasestr.c",
+    "wasi/libc-top-half/musl/src/string/strcat.c",
+    "wasi/libc-top-half/musl/src/string/strchr.c",
+    "wasi/libc-top-half/musl/src/string/strchrnul.c",
+    "wasi/libc-top-half/musl/src/string/strcmp.c",
+    "wasi/libc-top-half/musl/src/string/strcpy.c",
+    "wasi/libc-top-half/musl/src/string/strcspn.c",
+    "wasi/libc-top-half/musl/src/string/strdup.c",
+    "wasi/libc-top-half/musl/src/string/strerror_r.c",
+    "wasi/libc-top-half/musl/src/string/strlcat.c",
+    "wasi/libc-top-half/musl/src/string/strlcpy.c",
+    "wasi/libc-top-half/musl/src/string/strlen.c",
+    "wasi/libc-top-half/musl/src/string/strncasecmp.c",
+    "wasi/libc-top-half/musl/src/string/strncat.c",
+    "wasi/libc-top-half/musl/src/string/strncmp.c",
+    "wasi/libc-top-half/musl/src/string/strncpy.c",
+    "wasi/libc-top-half/musl/src/string/strndup.c",
+    "wasi/libc-top-half/musl/src/string/strnlen.c",
+    "wasi/libc-top-half/musl/src/string/strpbrk.c",
+    "wasi/libc-top-half/musl/src/string/strrchr.c",
+    "wasi/libc-top-half/musl/src/string/strsep.c",
+    "wasi/libc-top-half/musl/src/string/strspn.c",
+    "wasi/libc-top-half/musl/src/string/strstr.c",
+    "wasi/libc-top-half/musl/src/string/strtok.c",
+    "wasi/libc-top-half/musl/src/string/strtok_r.c",
+    "wasi/libc-top-half/musl/src/string/strverscmp.c",
+    "wasi/libc-top-half/musl/src/string/swab.c",
+    "wasi/libc-top-half/musl/src/string/wcpcpy.c",
+    "wasi/libc-top-half/musl/src/string/wcpncpy.c",
+    "wasi/libc-top-half/musl/src/string/wcscasecmp.c",
+    "wasi/libc-top-half/musl/src/string/wcscasecmp_l.c",
+    "wasi/libc-top-half/musl/src/string/wcscat.c",
+    "wasi/libc-top-half/musl/src/string/wcschr.c",
+    "wasi/libc-top-half/musl/src/string/wcscmp.c",
+    "wasi/libc-top-half/musl/src/string/wcscpy.c",
+    "wasi/libc-top-half/musl/src/string/wcscspn.c",
+    "wasi/libc-top-half/musl/src/string/wcsdup.c",
+    "wasi/libc-top-half/musl/src/string/wcslen.c",
+    "wasi/libc-top-half/musl/src/string/wcsncasecmp.c",
+    "wasi/libc-top-half/musl/src/string/wcsncasecmp_l.c",
+    "wasi/libc-top-half/musl/src/string/wcsncat.c",
+    "wasi/libc-top-half/musl/src/string/wcsncmp.c",
+    "wasi/libc-top-half/musl/src/string/wcsncpy.c",
+    "wasi/libc-top-half/musl/src/string/wcsnlen.c",
+    "wasi/libc-top-half/musl/src/string/wcspbrk.c",
+    "wasi/libc-top-half/musl/src/string/wcsrchr.c",
+    "wasi/libc-top-half/musl/src/string/wcsspn.c",
+    "wasi/libc-top-half/musl/src/string/wcsstr.c",
+    "wasi/libc-top-half/musl/src/string/wcstok.c",
+    "wasi/libc-top-half/musl/src/string/wcswcs.c",
+    "wasi/libc-top-half/musl/src/string/wmemchr.c",
+    "wasi/libc-top-half/musl/src/string/wmemcmp.c",
+    "wasi/libc-top-half/musl/src/string/wmemcpy.c",
+    "wasi/libc-top-half/musl/src/string/wmemmove.c",
+    "wasi/libc-top-half/musl/src/string/wmemset.c",
+    "wasi/libc-top-half/musl/src/locale/catclose.c",
+    "wasi/libc-top-half/musl/src/locale/catgets.c",
+    "wasi/libc-top-half/musl/src/locale/catopen.c",
+    "wasi/libc-top-half/musl/src/locale/c_locale.c",
+    "wasi/libc-top-half/musl/src/locale/duplocale.c",
+    "wasi/libc-top-half/musl/src/locale/freelocale.c",
+    "wasi/libc-top-half/musl/src/locale/iconv.c",
+    "wasi/libc-top-half/musl/src/locale/iconv_close.c",
+    "wasi/libc-top-half/musl/src/locale/langinfo.c",
+    "wasi/libc-top-half/musl/src/locale/__lctrans.c",
+    "wasi/libc-top-half/musl/src/locale/localeconv.c",
+    "wasi/libc-top-half/musl/src/locale/locale_map.c",
+    "wasi/libc-top-half/musl/src/locale/__mo_lookup.c",
+    "wasi/libc-top-half/musl/src/locale/newlocale.c",
+    "wasi/libc-top-half/musl/src/locale/pleval.c",
+    "wasi/libc-top-half/musl/src/locale/setlocale.c",
+    "wasi/libc-top-half/musl/src/locale/strcoll.c",
+    "wasi/libc-top-half/musl/src/locale/strfmon.c",
+    "wasi/libc-top-half/musl/src/locale/strxfrm.c",
+    "wasi/libc-top-half/musl/src/locale/uselocale.c",
+    "wasi/libc-top-half/musl/src/locale/wcscoll.c",
+    "wasi/libc-top-half/musl/src/locale/wcsxfrm.c",
+    "wasi/libc-top-half/musl/src/stdlib/abs.c",
+    "wasi/libc-top-half/musl/src/stdlib/atof.c",
+    "wasi/libc-top-half/musl/src/stdlib/atoi.c",
+    "wasi/libc-top-half/musl/src/stdlib/atol.c",
+    "wasi/libc-top-half/musl/src/stdlib/atoll.c",
+    "wasi/libc-top-half/musl/src/stdlib/bsearch.c",
+    "wasi/libc-top-half/musl/src/stdlib/div.c",
+    "wasi/libc-top-half/musl/src/stdlib/ecvt.c",
+    "wasi/libc-top-half/musl/src/stdlib/fcvt.c",
+    "wasi/libc-top-half/musl/src/stdlib/gcvt.c",
+    "wasi/libc-top-half/musl/src/stdlib/imaxabs.c",
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+    "wasi/libc-top-half/musl/src/math/tanl.c",
+    "wasi/libc-top-half/musl/src/math/tgamma.c",
+    "wasi/libc-top-half/musl/src/math/tgammaf.c",
+    "wasi/libc-top-half/musl/src/math/tgammal.c",
+    "wasi/libc-top-half/musl/src/math/truncl.c",
+    "wasi/libc-top-half/musl/src/complex/cabs.c",
+    "wasi/libc-top-half/musl/src/complex/cabsf.c",
+    "wasi/libc-top-half/musl/src/complex/cabsl.c",
+    "wasi/libc-top-half/musl/src/complex/cacos.c",
+    "wasi/libc-top-half/musl/src/complex/cacosf.c",
+    "wasi/libc-top-half/musl/src/complex/cacosh.c",
+    "wasi/libc-top-half/musl/src/complex/cacoshf.c",
+    "wasi/libc-top-half/musl/src/complex/cacoshl.c",
+    "wasi/libc-top-half/musl/src/complex/cacosl.c",
+    "wasi/libc-top-half/musl/src/complex/carg.c",
+    "wasi/libc-top-half/musl/src/complex/cargf.c",
+    "wasi/libc-top-half/musl/src/complex/cargl.c",
+    "wasi/libc-top-half/musl/src/complex/casin.c",
+    "wasi/libc-top-half/musl/src/complex/casinf.c",
+    "wasi/libc-top-half/musl/src/complex/casinh.c",
+    "wasi/libc-top-half/musl/src/complex/casinhf.c",
+    "wasi/libc-top-half/musl/src/complex/casinhl.c",
+    "wasi/libc-top-half/musl/src/complex/casinl.c",
+    "wasi/libc-top-half/musl/src/complex/catan.c",
+    "wasi/libc-top-half/musl/src/complex/catanf.c",
+    "wasi/libc-top-half/musl/src/complex/catanh.c",
+    "wasi/libc-top-half/musl/src/complex/catanhf.c",
+    "wasi/libc-top-half/musl/src/complex/catanhl.c",
+    "wasi/libc-top-half/musl/src/complex/catanl.c",
+    "wasi/libc-top-half/musl/src/complex/ccos.c",
+    "wasi/libc-top-half/musl/src/complex/ccosf.c",
+    "wasi/libc-top-half/musl/src/complex/ccosh.c",
+    "wasi/libc-top-half/musl/src/complex/ccoshf.c",
+    "wasi/libc-top-half/musl/src/complex/ccoshl.c",
+    "wasi/libc-top-half/musl/src/complex/ccosl.c",
+    "wasi/libc-top-half/musl/src/complex/__cexp.c",
+    "wasi/libc-top-half/musl/src/complex/cexp.c",
+    "wasi/libc-top-half/musl/src/complex/__cexpf.c",
+    "wasi/libc-top-half/musl/src/complex/cexpf.c",
+    "wasi/libc-top-half/musl/src/complex/cexpl.c",
+    "wasi/libc-top-half/musl/src/complex/clog.c",
+    "wasi/libc-top-half/musl/src/complex/clogf.c",
+    "wasi/libc-top-half/musl/src/complex/clogl.c",
+    "wasi/libc-top-half/musl/src/complex/conj.c",
+    "wasi/libc-top-half/musl/src/complex/conjf.c",
+    "wasi/libc-top-half/musl/src/complex/conjl.c",
+    "wasi/libc-top-half/musl/src/complex/cpow.c",
+    "wasi/libc-top-half/musl/src/complex/cpowf.c",
+    "wasi/libc-top-half/musl/src/complex/cpowl.c",
+    "wasi/libc-top-half/musl/src/complex/cproj.c",
+    "wasi/libc-top-half/musl/src/complex/cprojf.c",
+    "wasi/libc-top-half/musl/src/complex/cprojl.c",
+    "wasi/libc-top-half/musl/src/complex/csin.c",
+    "wasi/libc-top-half/musl/src/complex/csinf.c",
+    "wasi/libc-top-half/musl/src/complex/csinh.c",
+    "wasi/libc-top-half/musl/src/complex/csinhf.c",
+    "wasi/libc-top-half/musl/src/complex/csinhl.c",
+    "wasi/libc-top-half/musl/src/complex/csinl.c",
+    "wasi/libc-top-half/musl/src/complex/csqrt.c",
+    "wasi/libc-top-half/musl/src/complex/csqrtf.c",
+    "wasi/libc-top-half/musl/src/complex/csqrtl.c",
+    "wasi/libc-top-half/musl/src/complex/ctan.c",
+    "wasi/libc-top-half/musl/src/complex/ctanf.c",
+    "wasi/libc-top-half/musl/src/complex/ctanh.c",
+    "wasi/libc-top-half/musl/src/complex/ctanhf.c",
+    "wasi/libc-top-half/musl/src/complex/ctanhl.c",
+    "wasi/libc-top-half/musl/src/complex/ctanl.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt_blowfish.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt_des.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt_md5.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt_r.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt_sha256.c",
+    "wasi/libc-top-half/musl/src/crypt/crypt_sha512.c",
+    "wasi/libc-top-half/musl/src/crypt/encrypt.c",
+    "wasi/libc-top-half/sources/arc4random.c",
+};
+
+const crt_src_files = &[_][]const u8{
+    "wasi/libc-bottom-half/crt/crt1.c",
+    "wasi/libc-bottom-half/crt/crt1-command.c",
+    "wasi/libc-bottom-half/crt/crt1-reactor.c",
+};
+
+const emulated_process_clocks_src_files = &[_][]const u8{
+    "wasi/libc-bottom-half/clocks/clock.c",
+    "wasi/libc-bottom-half/clocks/getrusage.c",
+    "wasi/libc-bottom-half/clocks/times.c",
+};
+
+const emulated_getpid_src_files = &[_][]const u8{
+    "wasi/libc-bottom-half/getpid/getpid.c",
+};
+
+const emulated_mman_src_files = &[_][]const u8{
+    "wasi/libc-bottom-half/mman/mman.c",
+};
+
+const emulated_signal_src_files = &[_][]const u8{
+    "wasi/libc-bottom-half/signal/signal.c",
+};