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

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

1 files changed, 1026 insertions, 0 deletions

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",
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+    "wasi/libc-top-half/musl/src/math/cbrtf.c",
+    "wasi/libc-top-half/musl/src/math/cbrtl.c",
+    "wasi/libc-top-half/musl/src/math/ceill.c",
+    "wasi/libc-top-half/musl/src/math/copysignl.c",
+    "wasi/libc-top-half/musl/src/math/__cos.c",
+    "wasi/libc-top-half/musl/src/math/cos.c",
+    "wasi/libc-top-half/musl/src/math/__cosdf.c",
+    "wasi/libc-top-half/musl/src/math/cosf.c",
+    "wasi/libc-top-half/musl/src/math/cosh.c",
+    "wasi/libc-top-half/musl/src/math/coshf.c",
+    "wasi/libc-top-half/musl/src/math/coshl.c",
+    "wasi/libc-top-half/musl/src/math/__cosl.c",
+    "wasi/libc-top-half/musl/src/math/cosl.c",
+    "wasi/libc-top-half/musl/src/math/erf.c",
+    "wasi/libc-top-half/musl/src/math/erff.c",
+    "wasi/libc-top-half/musl/src/math/erfl.c",
+    "wasi/libc-top-half/musl/src/math/exp10.c",
+    "wasi/libc-top-half/musl/src/math/exp10f.c",
+    "wasi/libc-top-half/musl/src/math/exp10l.c",
+    "wasi/libc-top-half/musl/src/math/exp2.c",
+    "wasi/libc-top-half/musl/src/math/exp2f.c",
+    "wasi/libc-top-half/musl/src/math/exp2f_data.c",
+    "wasi/libc-top-half/musl/src/math/exp2l.c",
+    "wasi/libc-top-half/musl/src/math/exp.c",
+    "wasi/libc-top-half/musl/src/math/exp_data.c",
+    "wasi/libc-top-half/musl/src/math/expf.c",
+    "wasi/libc-top-half/musl/src/math/expl.c",
+    "wasi/libc-top-half/musl/src/math/expm1.c",
+    "wasi/libc-top-half/musl/src/math/expm1f.c",
+    "wasi/libc-top-half/musl/src/math/expm1l.c",
+    "wasi/libc-top-half/musl/src/math/__expo2.c",
+    "wasi/libc-top-half/musl/src/math/__expo2f.c",
+    "wasi/libc-top-half/musl/src/math/fabsl.c",
+    "wasi/libc-top-half/musl/src/math/fdim.c",
+    "wasi/libc-top-half/musl/src/math/fdimf.c",
+    "wasi/libc-top-half/musl/src/math/fdiml.c",
+    "wasi/libc-top-half/musl/src/math/finite.c",
+    "wasi/libc-top-half/musl/src/math/finitef.c",
+    "wasi/libc-top-half/musl/src/math/floorl.c",
+    "wasi/libc-top-half/musl/src/math/fma.c",
+    "wasi/libc-top-half/musl/src/math/fmaf.c",
+    "wasi/libc-top-half/musl/src/math/fmal.c",
+    "wasi/libc-top-half/musl/src/math/fmaxl.c",
+    "wasi/libc-top-half/musl/src/math/fminl.c",
+    "wasi/libc-top-half/musl/src/math/fmod.c",
+    "wasi/libc-top-half/musl/src/math/fmodf.c",
+    "wasi/libc-top-half/musl/src/math/fmodl.c",
+    "wasi/libc-top-half/musl/src/math/frexp.c",
+    "wasi/libc-top-half/musl/src/math/frexpf.c",
+    "wasi/libc-top-half/musl/src/math/frexpl.c",
+    "wasi/libc-top-half/musl/src/math/hypot.c",
+    "wasi/libc-top-half/musl/src/math/hypotf.c",
+    "wasi/libc-top-half/musl/src/math/hypotl.c",
+    "wasi/libc-top-half/musl/src/math/ilogb.c",
+    "wasi/libc-top-half/musl/src/math/ilogbf.c",
+    "wasi/libc-top-half/musl/src/math/ilogbl.c",
+    "wasi/libc-top-half/musl/src/math/__invtrigl.c",
+    "wasi/libc-top-half/musl/src/math/j0.c",
+    "wasi/libc-top-half/musl/src/math/j0f.c",
+    "wasi/libc-top-half/musl/src/math/j1.c",
+    "wasi/libc-top-half/musl/src/math/j1f.c",
+    "wasi/libc-top-half/musl/src/math/jn.c",
+    "wasi/libc-top-half/musl/src/math/jnf.c",
+    "wasi/libc-top-half/musl/src/math/ldexp.c",
+    "wasi/libc-top-half/musl/src/math/ldexpf.c",
+    "wasi/libc-top-half/musl/src/math/ldexpl.c",
+    "wasi/libc-top-half/musl/src/math/lgamma.c",
+    "wasi/libc-top-half/musl/src/math/lgammaf.c",
+    "wasi/libc-top-half/musl/src/math/lgammaf_r.c",
+    "wasi/libc-top-half/musl/src/math/lgammal.c",
+    "wasi/libc-top-half/musl/src/math/lgamma_r.c",
+    "wasi/libc-top-half/musl/src/math/llrint.c",
+    "wasi/libc-top-half/musl/src/math/llrintf.c",
+    "wasi/libc-top-half/musl/src/math/llrintl.c",
+    "wasi/libc-top-half/musl/src/math/llround.c",
+    "wasi/libc-top-half/musl/src/math/llroundf.c",
+    "wasi/libc-top-half/musl/src/math/llroundl.c",
+    "wasi/libc-top-half/musl/src/math/log10.c",
+    "wasi/libc-top-half/musl/src/math/log10f.c",
+    "wasi/libc-top-half/musl/src/math/log10l.c",
+    "wasi/libc-top-half/musl/src/math/log1p.c",
+    "wasi/libc-top-half/musl/src/math/log1pf.c",
+    "wasi/libc-top-half/musl/src/math/log1pl.c",
+    "wasi/libc-top-half/musl/src/math/log2.c",
+    "wasi/libc-top-half/musl/src/math/log2_data.c",
+    "wasi/libc-top-half/musl/src/math/log2f.c",
+    "wasi/libc-top-half/musl/src/math/log2f_data.c",
+    "wasi/libc-top-half/musl/src/math/log2l.c",
+    "wasi/libc-top-half/musl/src/math/logb.c",
+    "wasi/libc-top-half/musl/src/math/logbf.c",
+    "wasi/libc-top-half/musl/src/math/logbl.c",
+    "wasi/libc-top-half/musl/src/math/log.c",
+    "wasi/libc-top-half/musl/src/math/log_data.c",
+    "wasi/libc-top-half/musl/src/math/logf.c",
+    "wasi/libc-top-half/musl/src/math/logf_data.c",
+    "wasi/libc-top-half/musl/src/math/logl.c",
+    "wasi/libc-top-half/musl/src/math/lrint.c",
+    "wasi/libc-top-half/musl/src/math/lrintf.c",
+    "wasi/libc-top-half/musl/src/math/lrintl.c",
+    "wasi/libc-top-half/musl/src/math/lround.c",
+    "wasi/libc-top-half/musl/src/math/lroundf.c",
+    "wasi/libc-top-half/musl/src/math/lroundl.c",
+    "wasi/libc-top-half/musl/src/math/__math_divzero.c",
+    "wasi/libc-top-half/musl/src/math/__math_divzerof.c",
+    "wasi/libc-top-half/musl/src/math/__math_invalid.c",
+    "wasi/libc-top-half/musl/src/math/__math_invalidf.c",
+    "wasi/libc-top-half/musl/src/math/__math_invalidl.c",
+    "wasi/libc-top-half/musl/src/math/__math_oflow.c",
+    "wasi/libc-top-half/musl/src/math/__math_oflowf.c",
+    "wasi/libc-top-half/musl/src/math/__math_uflow.c",
+    "wasi/libc-top-half/musl/src/math/__math_uflowf.c",
+    "wasi/libc-top-half/musl/src/math/__math_xflow.c",
+    "wasi/libc-top-half/musl/src/math/__math_xflowf.c",
+    "wasi/libc-top-half/musl/src/math/modf.c",
+    "wasi/libc-top-half/musl/src/math/modff.c",
+    "wasi/libc-top-half/musl/src/math/modfl.c",
+    "wasi/libc-top-half/musl/src/math/nan.c",
+    "wasi/libc-top-half/musl/src/math/nanf.c",
+    "wasi/libc-top-half/musl/src/math/nanl.c",
+    "wasi/libc-top-half/musl/src/math/nearbyintl.c",
+    "wasi/libc-top-half/musl/src/math/nextafter.c",
+    "wasi/libc-top-half/musl/src/math/nextafterf.c",
+    "wasi/libc-top-half/musl/src/math/nextafterl.c",
+    "wasi/libc-top-half/musl/src/math/nexttoward.c",
+    "wasi/libc-top-half/musl/src/math/nexttowardf.c",
+    "wasi/libc-top-half/musl/src/math/nexttowardl.c",
+    "wasi/libc-top-half/musl/src/math/__polevll.c",
+    "wasi/libc-top-half/musl/src/math/pow.c",
+    "wasi/libc-top-half/musl/src/math/pow_data.c",
+    "wasi/libc-top-half/musl/src/math/powf.c",
+    "wasi/libc-top-half/musl/src/math/powf_data.c",
+    "wasi/libc-top-half/musl/src/math/powl.c",
+    "wasi/libc-top-half/musl/src/math/remainder.c",
+    "wasi/libc-top-half/musl/src/math/remainderf.c",
+    "wasi/libc-top-half/musl/src/math/remainderl.c",
+    "wasi/libc-top-half/musl/src/math/__rem_pio2.c",
+    "wasi/libc-top-half/musl/src/math/__rem_pio2f.c",
+    "wasi/libc-top-half/musl/src/math/__rem_pio2_large.c",
+    "wasi/libc-top-half/musl/src/math/__rem_pio2l.c",
+    "wasi/libc-top-half/musl/src/math/remquo.c",
+    "wasi/libc-top-half/musl/src/math/remquof.c",
+    "wasi/libc-top-half/musl/src/math/remquol.c",
+    "wasi/libc-top-half/musl/src/math/rintl.c",
+    "wasi/libc-top-half/musl/src/math/round.c",
+    "wasi/libc-top-half/musl/src/math/roundf.c",
+    "wasi/libc-top-half/musl/src/math/roundl.c",
+    "wasi/libc-top-half/musl/src/math/scalb.c",
+    "wasi/libc-top-half/musl/src/math/scalbf.c",
+    "wasi/libc-top-half/musl/src/math/scalbln.c",
+    "wasi/libc-top-half/musl/src/math/scalblnf.c",
+    "wasi/libc-top-half/musl/src/math/scalblnl.c",
+    "wasi/libc-top-half/musl/src/math/scalbn.c",
+    "wasi/libc-top-half/musl/src/math/scalbnf.c",
+    "wasi/libc-top-half/musl/src/math/scalbnl.c",
+    "wasi/libc-top-half/musl/src/math/signgam.c",
+    "wasi/libc-top-half/musl/src/math/significand.c",
+    "wasi/libc-top-half/musl/src/math/significandf.c",
+    "wasi/libc-top-half/musl/src/math/__sin.c",
+    "wasi/libc-top-half/musl/src/math/sin.c",
+    "wasi/libc-top-half/musl/src/math/sincos.c",
+    "wasi/libc-top-half/musl/src/math/sincosf.c",
+    "wasi/libc-top-half/musl/src/math/sincosl.c",
+    "wasi/libc-top-half/musl/src/math/__sindf.c",
+    "wasi/libc-top-half/musl/src/math/sinf.c",
+    "wasi/libc-top-half/musl/src/math/sinh.c",
+    "wasi/libc-top-half/musl/src/math/sinhf.c",
+    "wasi/libc-top-half/musl/src/math/sinhl.c",
+    "wasi/libc-top-half/musl/src/math/__sinl.c",
+    "wasi/libc-top-half/musl/src/math/sinl.c",
+    "wasi/libc-top-half/musl/src/math/sqrt_data.c",
+    "wasi/libc-top-half/musl/src/math/sqrtl.c",
+    "wasi/libc-top-half/musl/src/math/__tan.c",
+    "wasi/libc-top-half/musl/src/math/tan.c",
+    "wasi/libc-top-half/musl/src/math/__tandf.c",
+    "wasi/libc-top-half/musl/src/math/tanf.c",
+    "wasi/libc-top-half/musl/src/math/tanh.c",
+    "wasi/libc-top-half/musl/src/math/tanhf.c",
+    "wasi/libc-top-half/musl/src/math/tanhl.c",
+    "wasi/libc-top-half/musl/src/math/__tanl.c",
+    "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",
+};