Remove old backend specific code in main

This commit is contained in:
gingerBill
2021-04-25 19:51:57 +01:00
parent 66a70b9d27
commit 833784e196

View File

@@ -1924,12 +1924,6 @@ void print_show_unused(Checker *c) {
print_usage_line(0, "");
}
void enforce_platform_settings(void) {
#if defined(GB_SYSTEM_OSX) && defined(GB_CPU_ARM)
build_context.use_llvm_api = true;
#endif
}
int main(int arg_count, char const **arg_ptr) {
if (arg_count < 2) {
@@ -2084,8 +2078,6 @@ int main(int arg_count, char const **arg_ptr) {
return 0;
}
enforce_platform_settings();
// NOTE(bill): add 'shared' directory if it is not already set
if (!find_library_collection_path(str_lit("shared"), nullptr)) {
add_library_collection(str_lit("shared"),
@@ -2098,18 +2090,6 @@ int main(int arg_count, char const **arg_ptr) {
// print_usage_line(0, "%.*s 32-bit is not yet supported for this platform", LIT(args[0]));
// return 1;
// }
if (build_context.metrics.os == TargetOs_js) {
if (!build_context.use_llvm_api) {
print_usage_line(0, "%.*s - js platform only supported with the -llvm-api backend", LIT(args[0]));
return 1;
}
}
if (!build_context.use_llvm_api) {
if (build_context.build_mode == BuildMode_Assembly) {
print_usage_line(0, "-build-mode:assembly is only supported with the -llvm-api backend", LIT(args[0]));
return 1;
}
}
init_universal();
// TODO(bill): prevent compiling without a linker
@@ -2182,445 +2162,69 @@ int main(int arg_count, char const **arg_ptr) {
return 1;
}
if (build_context.use_llvm_api) {
timings_start_section(timings, str_lit("LLVM API Code Gen"));
lbGenerator gen = {};
if (!lb_init_generator(&gen, &checker)) {
timings_start_section(timings, str_lit("LLVM API Code Gen"));
lbGenerator gen = {};
if (!lb_init_generator(&gen, &checker)) {
return 1;
}
lb_generate_code(&gen);
temp_allocator_free_all(&temporary_allocator_data);
switch (build_context.build_mode) {
case BuildMode_Executable:
case BuildMode_DynamicLibrary:
i32 result = linker_stage(&gen);
if (result != 0) {
return 1;
}
lb_generate_code(&gen);
break;
}
temp_allocator_free_all(&temporary_allocator_data);
if (build_context.show_timings) {
show_timings(&checker, timings);
}
switch (build_context.build_mode) {
case BuildMode_Executable:
case BuildMode_DynamicLibrary:
i32 result = linker_stage(&gen);
if (result != 0) {
return 1;
remove_temp_files(gen.output_base);
#if defined(GB_COMPILER_MSVC)
if (false) {
PROCESS_MEMORY_COUNTERS_EX pmc = {};
GetProcessMemoryInfo(GetCurrentProcess(), (PROCESS_MEMORY_COUNTERS*)&pmc, sizeof(pmc));
SIZE_T virtual_mem_used_by_me = pmc.PrivateUsage;
gb_printf_err("virtual_memory_used: %tu B\n", virtual_mem_used_by_me);
Parser *p = checker.parser;
isize lines = p->total_line_count;
isize tokens = p->total_token_count;
isize files = 0;
isize packages = p->packages.count;
isize total_file_size = 0;
for_array(i, p->packages) {
files += p->packages[i]->files.count;
for_array(j, p->packages[i]->files) {
AstFile *file = p->packages[i]->files[j];
total_file_size += file->tokenizer.end - file->tokenizer.start;
}
break;
}
gb_printf_err("total_file_size: %lld B\n", total_file_size);
gb_printf_err("lines: %lld\n", lines);
gb_printf_err("files: %lld\n", files);
gb_printf_err("tokens: %lld\n", tokens);
gb_printf_err("packages: %lld\n", packages);
}
#endif
if (build_context.show_timings) {
show_timings(&checker, timings);
}
remove_temp_files(gen.output_base);
#if defined(GB_COMPILER_MSVC)
if (false) {
PROCESS_MEMORY_COUNTERS_EX pmc = {};
GetProcessMemoryInfo(GetCurrentProcess(), (PROCESS_MEMORY_COUNTERS*)&pmc, sizeof(pmc));
SIZE_T virtual_mem_used_by_me = pmc.PrivateUsage;
gb_printf_err("virtual_memory_used: %tu B\n", virtual_mem_used_by_me);
Parser *p = checker.parser;
isize lines = p->total_line_count;
isize tokens = p->total_token_count;
isize files = 0;
isize packages = p->packages.count;
isize total_file_size = 0;
for_array(i, p->packages) {
files += p->packages[i]->files.count;
for_array(j, p->packages[i]->files) {
AstFile *file = p->packages[i]->files[j];
total_file_size += file->tokenizer.end - file->tokenizer.start;
}
}
gb_printf_err("total_file_size: %lld B\n", total_file_size);
gb_printf_err("lines: %lld\n", lines);
gb_printf_err("files: %lld\n", files);
gb_printf_err("tokens: %lld\n", tokens);
gb_printf_err("packages: %lld\n", packages);
}
#endif
if (run_output) {
#if defined(GB_SYSTEM_WINDOWS)
return system_exec_command_line_app("odin run", "%.*s.exe %.*s", LIT(gen.output_base), LIT(run_args_string));
#else
//NOTE(thebirk): This whole thing is a little leaky
String output_ext = {};
String complete_path = concatenate_strings(heap_allocator(), gen.output_base, output_ext);
complete_path = path_to_full_path(heap_allocator(), complete_path);
return system_exec_command_line_app("odin run", "\"%.*s\" %.*s", LIT(complete_path), LIT(run_args_string));
#endif
}
return 0;
} else {
irGen ir_gen = {0};
if (!ir_gen_init(&ir_gen, &checker)) {
return 1;
}
// defer (ir_gen_destroy(&ir_gen));
timings_start_section(timings, str_lit("llvm ir gen"));
ir_gen_tree(&ir_gen);
temp_allocator_free_all(&temporary_allocator_data);
timings_start_section(timings, str_lit("llvm ir opt tree"));
ir_opt_tree(&ir_gen);
temp_allocator_free_all(&temporary_allocator_data);
timings_start_section(timings, str_lit("llvm ir print"));
print_llvm_ir(&ir_gen);
temp_allocator_free_all(&temporary_allocator_data);
String output_name = ir_gen.output_name;
String output_base = ir_gen.output_base;
build_context.optimization_level = gb_clamp(build_context.optimization_level, 0, 3);
timings_start_section(timings, str_lit("llvm-opt"));
exec_llvm_opt(output_base);
timings_start_section(timings, str_lit("llvm-llc"));
exec_llvm_llc(output_base);
if (build_context.build_mode == BuildMode_Object) {
// Ignore the linker
if (build_context.show_timings) {
show_timings(&checker, timings);
}
remove_temp_files(output_base);
return 0;
}
if (build_context.cross_compiling && selected_target_metrics->metrics == &target_essence_amd64) {
#ifdef GB_SYSTEM_UNIX
system_exec_command_line_app("linker", "x86_64-essence-gcc -ffreestanding -nostdlib \"%.*s.o\" -o \"%.*s\" %.*s %.*s",
LIT(output_base), LIT(output_base), LIT(build_context.link_flags), LIT(build_context.extra_linker_flags));
if (run_output) {
#if defined(GB_SYSTEM_WINDOWS)
return system_exec_command_line_app("odin run", "%.*s.exe %.*s", LIT(gen.output_base), LIT(run_args_string));
#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])
);
//NOTE(thebirk): This whole thing is a little leaky
String output_ext = {};
String complete_path = concatenate_strings(heap_allocator(), gen.output_base, output_ext);
complete_path = path_to_full_path(heap_allocator(), complete_path);
return system_exec_command_line_app("odin run", "\"%.*s\" %.*s", LIT(complete_path), LIT(run_args_string));
#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)
timings_start_section(timings, str_lit("msvc-link"));
gbString lib_str = gb_string_make(heap_allocator(), "");
defer (gb_string_free(lib_str));
char lib_str_buf[1024] = {0};
char const *output_ext = "exe";
gbString link_settings = gb_string_make_reserve(heap_allocator(), 256);
defer (gb_string_free(link_settings));
// NOTE(ic): It would be nice to extend this so that we could specify the Visual Studio version that we want instead of defaulting to the latest.
Find_Result_Utf8 find_result = find_visual_studio_and_windows_sdk_utf8();
if (find_result.windows_sdk_version == 0) {
gb_printf_err("Windows SDK not found.\n");
return 1;
}
if (build_context.ignore_microsoft_magic) {
find_result = {};
}
// Add library search paths.
if (find_result.vs_library_path.len > 0) {
GB_ASSERT(find_result.windows_sdk_um_library_path.len > 0);
GB_ASSERT(find_result.windows_sdk_ucrt_library_path.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(find_result.windows_sdk_um_library_path);
add_path(find_result.windows_sdk_ucrt_library_path);
add_path(find_result.vs_library_path);
}
for_array(i, ir_gen.module.foreign_library_paths) {
String lib = ir_gen.module.foreign_library_paths[i];
GB_ASSERT(lib.len < gb_count_of(lib_str_buf)-1);
isize len = gb_snprintf(lib_str_buf, gb_size_of(lib_str_buf),
" \"%.*s\"", LIT(lib));
lib_str = gb_string_appendc(lib_str, lib_str_buf);
}
if (build_context.build_mode == BuildMode_DynamicLibrary) {
output_ext = "dll";
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 != "") {
link_settings = gb_string_append_fmt(link_settings, " /PDB:%.*s", LIT(build_context.pdb_filepath));
}
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 (ir_gen.module.generate_debug_info) {
link_settings = gb_string_append_fmt(link_settings, " /DEBUG");
}
char const *subsystem_str = build_context.use_subsystem_windows ? "WINDOWS" : "CONSOLE";
if (!build_context.use_lld) { // msvc
if (build_context.has_resource) {
i32 result = system_exec_command_line_app("msvc-link",
"\"rc.exe\" /nologo /fo \"%.*s.res\" \"%.*s.rc\"",
LIT(output_base),
LIT(build_context.resource_filepath)
);
if(result != 0) {
return 1;
}
result = system_exec_command_line_app("msvc-link",
"\"%.*slink.exe\" \"%.*s.obj\" \"%.*s.res\" -OUT:\"%.*s.%s\" %s "
"/nologo /incremental:no /opt:ref /subsystem:%s "
" %.*s "
" %.*s "
" %s "
"",
LIT(find_result.vs_exe_path), LIT(output_base), LIT(output_base), LIT(output_base), output_ext,
link_settings,
subsystem_str,
LIT(build_context.link_flags),
LIT(build_context.extra_linker_flags),
lib_str
);
if(result != 0) {
return 1;
}
} else {
i32 result = system_exec_command_line_app("msvc-link",
"\"%.*slink.exe\" \"%.*s.obj\" -OUT:\"%.*s.%s\" %s "
"/nologo /incremental:no /opt:ref /subsystem:%s "
" %.*s "
" %.*s "
" %s "
"",
LIT(find_result.vs_exe_path), LIT(output_base), LIT(output_base), output_ext,
link_settings,
subsystem_str,
LIT(build_context.link_flags),
LIT(build_context.extra_linker_flags),
lib_str
);
if(result != 0) {
return 1;
}
}
} else { // lld
i32 result = system_exec_command_line_app("msvc-link",
"\"%.*s\\bin\\lld-link\" \"%.*s.obj\" -OUT:\"%.*s.%s\" %s "
"/nologo /incremental:no /opt:ref /subsystem:%s "
" %.*s "
" %.*s "
" %s "
"",
LIT(build_context.ODIN_ROOT),
LIT(output_base), LIT(output_base), output_ext,
link_settings,
subsystem_str,
LIT(build_context.link_flags),
LIT(build_context.extra_linker_flags),
lib_str
);
if(result != 0) {
return 1;
}
}
if (build_context.show_timings) {
show_timings(&checker, timings);
}
remove_temp_files(output_base);
if (run_output) {
return system_exec_command_line_app("odin run", "%.*s.exe %.*s", LIT(output_base), LIT(run_args_string));
}
#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];
getcwd(&cwd[0], 256);
//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));
for_array(i, ir_gen.module.foreign_library_paths) {
String lib = ir_gen.module.foreign_library_paths[i];
// 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 defined(GB_SYSTEM_OSX)
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"))) {
// static libs, 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 runtimeto 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));
}
#endif
}
// Unlike the Win32 linker code, the output_ext includes the dot, because
// typically executable files on *NIX systems don't have extensions.
String output_ext = {};
gbString link_settings = gb_string_make_reserve(heap_allocator(), 32);
char const *linker;
if (build_context.build_mode == BuildMode_DynamicLibrary) {
// NOTE(tetra, 2020-11-06): __$startup_runtime must be called at DLL load time.
// Clang, for some reason, won't let us pass the '-init' flag that lets us do this,
// so use ld instead.
// :UseLDForShared
linker = "ld";
// NOTE(tetra, 2021-02-24): On Darwin, the symbol has _3_ underscores; on Linux, it only has 2.
link_settings = gb_string_append_fmt(link_settings, "-init '%s$startup_runtime' ", build_context.metrics.os == TargetOs_darwin ? "___" : "__");
// Shared libraries are .dylib on MacOS and .so on Linux.
#if defined(GB_SYSTEM_OSX)
output_ext = STR_LIT(".dylib");
link_settings = gb_string_appendc(link_settings, "-dylib -dynamic ");
#else
output_ext = STR_LIT(".so");
link_settings = gb_string_appendc(link_settings, "-shared ");
#endif
} else {
#if defined(GB_SYSTEM_OSX)
linker = "ld";
#else
// TODO(zangent): Figure out how to make ld work on Linux.
// It probably has to do with including the entire CRT, but
// that's quite a complicated issue to solve while remaining distro-agnostic.
// Clang can figure out linker flags for us, and that's good enough _for now_.
linker = "clang -Wno-unused-command-line-argument";
#endif
}
if (build_context.out_filepath.len > 0) {
//NOTE(thebirk): We have a custom -out arguments, so we should use the extension from that
isize pos = string_extension_position(build_context.out_filepath);
if (pos > 0) {
output_ext = substring(build_context.out_filepath, pos, build_context.out_filepath.len);
}
}
i32 result = system_exec_command_line_app("ld-link",
"%s \"%.*s.o\" -o \"%.*s%.*s\" %s "
" %s "
" %.*s "
" %.*s "
" %s "
#if defined(GB_SYSTEM_OSX)
// This sets a requirement of Mountain Lion and up, but the compiler doesn't work without this limit.
// NOTE: If you change this (although this minimum is as low as you can go with Odin working)
// make sure to also change the 'mtriple' param passed to 'opt'
" -macosx_version_min 10.8.0 "
// This points the linker to where the entry point is
" -e _main "
#endif
, linker, LIT(output_base), LIT(output_base), LIT(output_ext),
lib_str,
#if defined(GB_SYSTEM_OSX)
"-lSystem -lm -syslibroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -L/usr/local/lib",
#else
"-lc -lm",
#endif
LIT(build_context.link_flags),
LIT(build_context.extra_linker_flags),
link_settings);
if(result != 0) {
return 1;
}
#if defined(GB_SYSTEM_OSX)
if (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
system_exec_command_line_app("dsymutil",
"dsymutil %.*s%.*s", LIT(output_base), LIT(output_ext)
);
}
#endif
if (build_context.show_timings) {
show_timings(&checker, timings);
}
remove_temp_files(output_base);
if (run_output) {
//NOTE(thebirk): This whole thing is a little leaky
String complete_path = concatenate_strings(heap_allocator(), output_base, output_ext);
complete_path = path_to_full_path(heap_allocator(), complete_path);
return system_exec_command_line_app("odin run", "\"%.*s\" %.*s", LIT(complete_path), LIT(run_args_string));
}
#endif
}
}
return 0;