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-rw-r--r--src/main.cpp425
1 files changed, 9 insertions, 416 deletions
diff --git a/src/main.cpp b/src/main.cpp
index a59f452d8..70e887b9f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -71,6 +71,8 @@ gb_global Timings global_timings = {0};
#include "checker.cpp"
#include "docs.cpp"
+#include "linker.cpp"
+
#if defined(GB_SYSTEM_WINDOWS)
#include "tilde.cpp"
#endif
@@ -151,422 +153,6 @@ gb_internal i32 system_exec_command_line_app(char const *name, char const *fmt,
return exit_code;
}
-
-gb_internal i32 linker_stage(lbGenerator *gen) {
- i32 result = 0;
- Timings *timings = &global_timings;
-
- String output_filename = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_Output]);
- debugf("Linking %.*s\n", LIT(output_filename));
-
- // TOOD(Jeroen): Make a `build_paths[BuildPath_Object] to avoid `%.*s.o`.
-
- if (is_arch_wasm()) {
- timings_start_section(timings, str_lit("wasm-ld"));
-
- #if defined(GB_SYSTEM_WINDOWS)
- result = system_exec_command_line_app("wasm-ld",
- "\"%.*s\\bin\\wasm-ld\" \"%.*s.o\" -o \"%.*s\" %.*s %.*s",
- LIT(build_context.ODIN_ROOT),
- LIT(output_filename), LIT(output_filename), LIT(build_context.link_flags), LIT(build_context.extra_linker_flags));
- #else
- result = system_exec_command_line_app("wasm-ld",
- "wasm-ld \"%.*s.o\" -o \"%.*s\" %.*s %.*s",
- LIT(output_filename), LIT(output_filename), LIT(build_context.link_flags), LIT(build_context.extra_linker_flags));
- #endif
- return result;
- }
-
- if (build_context.cross_compiling && selected_target_metrics->metrics == &target_essence_amd64) {
-#if defined(GB_SYSTEM_UNIX)
- result = system_exec_command_line_app("linker", "x86_64-essence-gcc \"%.*s.o\" -o \"%.*s\" %.*s %.*s",
- LIT(output_filename), LIT(output_filename), LIT(build_context.link_flags), LIT(build_context.extra_linker_flags));
-#else
- gb_printf_err("Linking for cross compilation for this platform is not yet supported (%.*s %.*s)\n",
- LIT(target_os_names[build_context.metrics.os]),
- LIT(target_arch_names[build_context.metrics.arch])
- );
-#endif
- } else if (build_context.cross_compiling && build_context.different_os) {
- gb_printf_err("Linking for cross compilation for this platform is not yet supported (%.*s %.*s)\n",
- LIT(target_os_names[build_context.metrics.os]),
- LIT(target_arch_names[build_context.metrics.arch])
- );
- build_context.keep_object_files = true;
- } else {
- #if defined(GB_SYSTEM_WINDOWS)
- bool is_windows = true;
- #else
- bool is_windows = false;
- #endif
- #if defined(GB_SYSTEM_OSX)
- bool is_osx = true;
- #else
- bool is_osx = false;
- #endif
-
-
- if (is_windows) {
- String section_name = str_lit("msvc-link");
- if (build_context.use_lld) {
- section_name = str_lit("lld-link");
- }
- timings_start_section(timings, section_name);
-
- gbString lib_str = gb_string_make(heap_allocator(), "");
- defer (gb_string_free(lib_str));
-
- gbString link_settings = gb_string_make_reserve(heap_allocator(), 256);
- defer (gb_string_free(link_settings));
-
- // Add library search paths.
- if (build_context.build_paths[BuildPath_VS_LIB].basename.len > 0) {
- String path = {};
- auto add_path = [&](String path) {
- if (path[path.len-1] == '\\') {
- path.len -= 1;
- }
- link_settings = gb_string_append_fmt(link_settings, " /LIBPATH:\"%.*s\"", LIT(path));
- };
- add_path(build_context.build_paths[BuildPath_Win_SDK_UM_Lib].basename);
- add_path(build_context.build_paths[BuildPath_Win_SDK_UCRT_Lib].basename);
- add_path(build_context.build_paths[BuildPath_VS_LIB].basename);
- }
-
-
- StringSet libs = {};
- string_set_init(&libs, 64);
- defer (string_set_destroy(&libs));
-
- StringSet asm_files = {};
- string_set_init(&asm_files, 64);
- defer (string_set_destroy(&asm_files));
-
- for (Entity *e : gen->foreign_libraries) {
- GB_ASSERT(e->kind == Entity_LibraryName);
- for_array(i, e->LibraryName.paths) {
- String lib = string_trim_whitespace(e->LibraryName.paths[i]);
- // IMPORTANT NOTE(bill): calling `string_to_lower` here is not an issue because
- // we will never uses these strings afterwards
- string_to_lower(&lib);
- if (lib.len == 0) {
- continue;
- }
-
- if (has_asm_extension(lib)) {
- if (!string_set_update(&asm_files, lib)) {
- String asm_file = asm_files.entries[i].value;
- String obj_file = concatenate_strings(permanent_allocator(), asm_file, str_lit(".obj"));
-
- result = system_exec_command_line_app("nasm",
- "\"%.*s\\bin\\nasm\\windows\\nasm.exe\" \"%.*s\" "
- "-f win64 "
- "-o \"%.*s\" "
- "%.*s "
- "",
- LIT(build_context.ODIN_ROOT), LIT(asm_file),
- LIT(obj_file),
- LIT(build_context.extra_assembler_flags)
- );
-
- if (result) {
- return result;
- }
- array_add(&gen->output_object_paths, obj_file);
- }
- } else {
- if (!string_set_update(&libs, lib)) {
- lib_str = gb_string_append_fmt(lib_str, " \"%.*s\"", LIT(lib));
- }
- }
- }
- }
-
- for (Entity *e : gen->foreign_libraries) {
- GB_ASSERT(e->kind == Entity_LibraryName);
- if (e->LibraryName.extra_linker_flags.len != 0) {
- lib_str = gb_string_append_fmt(lib_str, " %.*s", LIT(e->LibraryName.extra_linker_flags));
- }
- }
-
- if (build_context.build_mode == BuildMode_DynamicLibrary) {
- link_settings = gb_string_append_fmt(link_settings, " /DLL");
- } else {
- link_settings = gb_string_append_fmt(link_settings, " /ENTRY:mainCRTStartup");
- }
-
- if (build_context.pdb_filepath != "") {
- String pdb_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_PDB]);
- link_settings = gb_string_append_fmt(link_settings, " /PDB:%.*s", LIT(pdb_path));
- }
-
- if (build_context.no_crt) {
- link_settings = gb_string_append_fmt(link_settings, " /nodefaultlib");
- } else {
- link_settings = gb_string_append_fmt(link_settings, " /defaultlib:libcmt");
- }
-
- if (build_context.ODIN_DEBUG) {
- link_settings = gb_string_append_fmt(link_settings, " /DEBUG");
- }
-
- gbString object_files = gb_string_make(heap_allocator(), "");
- defer (gb_string_free(object_files));
- for (String const &object_path : gen->output_object_paths) {
- object_files = gb_string_append_fmt(object_files, "\"%.*s\" ", LIT(object_path));
- }
-
- String vs_exe_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_VS_EXE]);
- defer (gb_free(heap_allocator(), vs_exe_path.text));
-
- String windows_sdk_bin_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_Win_SDK_Bin_Path]);
- defer (gb_free(heap_allocator(), windows_sdk_bin_path.text));
-
- char const *subsystem_str = build_context.use_subsystem_windows ? "WINDOWS" : "CONSOLE";
- if (!build_context.use_lld) { // msvc
- String res_path = {};
- defer (gb_free(heap_allocator(), res_path.text));
- if (build_context.has_resource) {
- String temp_res_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_RES]);
- res_path = concatenate3_strings(heap_allocator(), str_lit("\""), temp_res_path, str_lit("\""));
- gb_free(heap_allocator(), temp_res_path.text);
-
- String rc_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_RC]);
- defer (gb_free(heap_allocator(), rc_path.text));
-
- result = system_exec_command_line_app("msvc-link",
- "\"%.*src.exe\" /nologo /fo \"%.*s\" \"%.*s\"",
- LIT(windows_sdk_bin_path),
- LIT(res_path),
- LIT(rc_path)
- );
-
- if (result) {
- return result;
- }
- }
-
- switch (build_context.build_mode) {
- case BuildMode_Executable:
- link_settings = gb_string_append_fmt(link_settings, " /NOIMPLIB /NOEXP");
- break;
- }
-
- result = system_exec_command_line_app("msvc-link",
- "\"%.*slink.exe\" %s %.*s -OUT:\"%.*s\" %s "
- "/nologo /incremental:no /opt:ref /subsystem:%s "
- "%.*s "
- "%.*s "
- "%s "
- "",
- LIT(vs_exe_path), object_files, LIT(res_path), LIT(output_filename),
- link_settings,
- subsystem_str,
- LIT(build_context.link_flags),
- LIT(build_context.extra_linker_flags),
- lib_str
- );
- if (result) {
- return result;
- }
- } else { // lld
- result = system_exec_command_line_app("msvc-lld-link",
- "\"%.*s\\bin\\lld-link\" %s -OUT:\"%.*s\" %s "
- "/nologo /incremental:no /opt:ref /subsystem:%s "
- "%.*s "
- "%.*s "
- "%s "
- "",
- LIT(build_context.ODIN_ROOT), object_files, LIT(output_filename),
- link_settings,
- subsystem_str,
- LIT(build_context.link_flags),
- LIT(build_context.extra_linker_flags),
- lib_str
- );
-
- if (result) {
- return result;
- }
- }
- } else {
- timings_start_section(timings, str_lit("ld-link"));
-
- // NOTE(vassvik): get cwd, for used for local shared libs linking, since those have to be relative to the exe
- char cwd[256];
- #if !defined(GB_SYSTEM_WINDOWS)
- getcwd(&cwd[0], 256);
- #endif
- //printf("%s\n", cwd);
-
- // NOTE(vassvik): needs to add the root to the library search paths, so that the full filenames of the library
- // files can be passed with -l:
- gbString lib_str = gb_string_make(heap_allocator(), "-L/");
- defer (gb_string_free(lib_str));
-
- StringSet libs = {};
- string_set_init(&libs, 64);
- defer (string_set_destroy(&libs));
-
- for (Entity *e : gen->foreign_libraries) {
- GB_ASSERT(e->kind == Entity_LibraryName);
- for (String lib : e->LibraryName.paths) {
- lib = string_trim_whitespace(lib);
- if (lib.len == 0) {
- continue;
- }
- if (string_set_update(&libs, lib)) {
- continue;
- }
-
- // NOTE(zangent): Sometimes, you have to use -framework on MacOS.
- // This allows you to specify '-f' in a #foreign_system_library,
- // without having to implement any new syntax specifically for MacOS.
- if (build_context.metrics.os == TargetOs_darwin) {
- if (string_ends_with(lib, str_lit(".framework"))) {
- // framework thingie
- String lib_name = lib;
- lib_name = remove_extension_from_path(lib_name);
- lib_str = gb_string_append_fmt(lib_str, " -framework %.*s ", LIT(lib_name));
- } else if (string_ends_with(lib, str_lit(".a")) || string_ends_with(lib, str_lit(".o")) || string_ends_with(lib, str_lit(".dylib"))) {
- // For:
- // object
- // dynamic lib
- // static libs, absolute full path relative to the file in which the lib was imported from
- lib_str = gb_string_append_fmt(lib_str, " %.*s ", LIT(lib));
- } else {
- // dynamic or static system lib, just link regularly searching system library paths
- lib_str = gb_string_append_fmt(lib_str, " -l%.*s ", LIT(lib));
- }
- } else {
- // NOTE(vassvik): static libraries (.a files) in linux can be linked to directly using the full path,
- // since those are statically linked to at link time. shared libraries (.so) has to be
- // available at runtime wherever the executable is run, so we make require those to be
- // local to the executable (unless the system collection is used, in which case we search
- // the system library paths for the library file).
- if (string_ends_with(lib, str_lit(".a")) || string_ends_with(lib, str_lit(".o"))) {
- // static libs and object files, absolute full path relative to the file in which the lib was imported from
- lib_str = gb_string_append_fmt(lib_str, " -l:\"%.*s\" ", LIT(lib));
- } else if (string_ends_with(lib, str_lit(".so"))) {
- // dynamic lib, relative path to executable
- // NOTE(vassvik): it is the user's responsibility to make sure the shared library files are visible
- // at runtime to the executable
- lib_str = gb_string_append_fmt(lib_str, " -l:\"%s/%.*s\" ", cwd, LIT(lib));
- } else {
- // dynamic or static system lib, just link regularly searching system library paths
- lib_str = gb_string_append_fmt(lib_str, " -l%.*s ", LIT(lib));
- }
- }
- }
- }
-
- for (Entity *e : gen->foreign_libraries) {
- GB_ASSERT(e->kind == Entity_LibraryName);
- if (e->LibraryName.extra_linker_flags.len != 0) {
- lib_str = gb_string_append_fmt(lib_str, " %.*s", LIT(e->LibraryName.extra_linker_flags));
- }
- }
-
- gbString object_files = gb_string_make(heap_allocator(), "");
- defer (gb_string_free(object_files));
- for (String object_path : gen->output_object_paths) {
- object_files = gb_string_append_fmt(object_files, "\"%.*s\" ", LIT(object_path));
- }
-
- gbString link_settings = gb_string_make_reserve(heap_allocator(), 32);
-
- if (build_context.no_crt) {
- link_settings = gb_string_append_fmt(link_settings, "-nostdlib ");
- }
-
- // NOTE(dweiler): We use clang as a frontend for the linker as there are
- // other runtime and compiler support libraries that need to be linked in
- // very specific orders such as libgcc_s, ld-linux-so, unwind, etc.
- // These are not always typically inside /lib, /lib64, or /usr versions
- // of that, e.g libgcc.a is in /usr/lib/gcc/{version}, and can vary on
- // the distribution of Linux even. The gcc or clang specs is the only
- // reliable way to query this information to call ld directly.
- if (build_context.build_mode == BuildMode_DynamicLibrary) {
- // NOTE(dweiler): Let the frontend know we're building a shared library
- // so it doesn't generate symbols which cannot be relocated.
- link_settings = gb_string_appendc(link_settings, "-shared ");
-
- // NOTE(dweiler): _odin_entry_point must be called at initialization
- // time of the shared object, similarly, _odin_exit_point must be called
- // at deinitialization. We can pass both -init and -fini to the linker by
- // using a comma separated list of arguments to -Wl.
- //
- // This previously used ld but ld cannot actually build a shared library
- // correctly this way since all the other dependencies provided implicitly
- // by the compiler frontend are still needed and most of the command
- // line arguments prepared previously are incompatible with ld.
- if (build_context.metrics.os == TargetOs_darwin) {
- link_settings = gb_string_appendc(link_settings, "-Wl,-init,'__odin_entry_point' ");
- // NOTE(weshardee): __odin_exit_point should also be added, but -fini
- // does not exist on MacOS
- } else {
- link_settings = gb_string_appendc(link_settings, "-Wl,-init,'_odin_entry_point' ");
- link_settings = gb_string_appendc(link_settings, "-Wl,-fini,'_odin_exit_point' ");
- }
-
- } else if (build_context.metrics.os != TargetOs_openbsd) {
- // OpenBSD defaults to PIE executable. do not pass -no-pie for it.
- link_settings = gb_string_appendc(link_settings, "-no-pie ");
- }
-
- gbString platform_lib_str = gb_string_make(heap_allocator(), "");
- defer (gb_string_free(platform_lib_str));
- if (build_context.metrics.os == TargetOs_darwin) {
- platform_lib_str = gb_string_appendc(platform_lib_str, "-lSystem -lm -Wl,-syslibroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -L/usr/local/lib");
- } else {
- platform_lib_str = gb_string_appendc(platform_lib_str, "-lc -lm");
- }
-
- if (build_context.metrics.os == TargetOs_darwin) {
- // This sets a requirement of Mountain Lion and up, but the compiler doesn't work without this limit.
- if (build_context.minimum_os_version_string.len) {
- link_settings = gb_string_append_fmt(link_settings, " -mmacosx-version-min=%.*s ", LIT(build_context.minimum_os_version_string));
- } else if (build_context.metrics.arch == TargetArch_arm64) {
- link_settings = gb_string_appendc(link_settings, " -mmacosx-version-min=12.0.0 ");
- } else {
- link_settings = gb_string_appendc(link_settings, " -mmacosx-version-min=10.12.0 ");
- }
- // This points the linker to where the entry point is
- link_settings = gb_string_appendc(link_settings, " -e _main ");
- }
-
- gbString link_command_line = gb_string_make(heap_allocator(), "clang -Wno-unused-command-line-argument ");
- defer (gb_string_free(link_command_line));
-
- link_command_line = gb_string_appendc(link_command_line, object_files);
- link_command_line = gb_string_append_fmt(link_command_line, " -o \"%.*s\" ", LIT(output_filename));
- link_command_line = gb_string_append_fmt(link_command_line, " %s ", platform_lib_str);
- link_command_line = gb_string_append_fmt(link_command_line, " %s ", lib_str);
- link_command_line = gb_string_append_fmt(link_command_line, " %.*s ", LIT(build_context.link_flags));
- link_command_line = gb_string_append_fmt(link_command_line, " %.*s ", LIT(build_context.extra_linker_flags));
- link_command_line = gb_string_append_fmt(link_command_line, " %s ", link_settings);
-
- result = system_exec_command_line_app("ld-link", link_command_line);
-
- if (result) {
- return result;
- }
-
- if (is_osx && build_context.ODIN_DEBUG) {
- // NOTE: macOS links DWARF symbols dynamically. Dsymutil will map the stubs in the exe
- // to the symbols in the object file
- result = system_exec_command_line_app("dsymutil", "dsymutil %.*s", LIT(output_filename));
-
- if (result) {
- return result;
- }
- }
- }
- }
-
- return result;
-}
-
gb_internal Array<String> setup_args(int argc, char const **argv) {
gbAllocator a = heap_allocator();
@@ -2359,6 +1945,8 @@ gb_internal void print_show_unused(Checker *c) {
}
gb_internal bool check_env(void) {
+ TIME_SECTION("init check env");
+
gbAllocator a = heap_allocator();
char const *odin_root = gb_get_env("ODIN_ROOT", a);
defer (gb_free(a, cast(void *)odin_root));
@@ -2560,6 +2148,7 @@ gb_internal int strip_semicolons(Parser *parser) {
}
gb_internal void init_terminal(void) {
+ TIME_SECTION("init terminal");
build_context.has_ansi_terminal_colours = false;
gbAllocator a = heap_allocator();
@@ -2626,11 +2215,13 @@ int main(int arg_count, char const **arg_ptr) {
return 1;
}
+ TIME_SECTION("init default library collections");
array_init(&library_collections, heap_allocator());
// NOTE(bill): 'core' cannot be (re)defined by the user
add_library_collection(str_lit("core"), get_fullpath_relative(heap_allocator(), odin_root_dir(), str_lit("core")));
add_library_collection(str_lit("vendor"), get_fullpath_relative(heap_allocator(), odin_root_dir(), str_lit("vendor")));
+ TIME_SECTION("init args");
map_init(&build_context.defined_values);
build_context.extra_packages.allocator = heap_allocator();
string_set_init(&build_context.test_names);
@@ -2829,9 +2420,11 @@ int main(int arg_count, char const **arg_ptr) {
}
}
+ TIME_SECTION("init thread pool");
init_global_thread_pool();
defer (thread_pool_destroy(&global_thread_pool));
+ TIME_SECTION("init universal");
init_universal();
// TODO(bill): prevent compiling without a linker
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-15 18:50:20 +0000