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Experimental support for -use-separate-modules

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This commit is contained in:
gingerBill
2021-05-03 19:39:36 +01:00
parent d027a5f1a4
commit dfe1dedeb1
4 changed files with 66 additions and 37 deletions
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42
src/main.cpp
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@@ -596,6 +596,7 @@ enum BuildFlagKind {
BuildFlag_NoCRT,
BuildFlag_NoEntryPoint,
BuildFlag_UseLLD,
BuildFlag_UseSeparateModules,
BuildFlag_Vet,
BuildFlag_VetExtra,
BuildFlag_UseLLVMApi,
@@ -716,6 +717,7 @@ bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_NoCRT, str_lit("no-crt"), BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_NoEntryPoint, str_lit("no-entry-point"), BuildFlagParam_None, Command__does_check &~ Command_test);
add_flag(&build_flags, BuildFlag_UseLLD, str_lit("lld"), BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_UseSeparateModules,str_lit("use-separate-modules"),BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_Vet, str_lit("vet"), BuildFlagParam_None, Command__does_check);
add_flag(&build_flags, BuildFlag_VetExtra, str_lit("vet-extra"), BuildFlagParam_None, Command__does_check);
add_flag(&build_flags, BuildFlag_UseLLVMApi, str_lit("llvm-api"), BuildFlagParam_None, Command__does_build);
@@ -1195,6 +1197,10 @@ bool parse_build_flags(Array<String> args) {
build_context.use_lld = true;
break;
case BuildFlag_UseSeparateModules:
build_context.use_separate_modules = true;
break;
case BuildFlag_Vet:
build_context.vet = true;
break;
@@ -1545,35 +1551,17 @@ void show_timings(Checker *c, Timings *t) {
void remove_temp_files(lbGenerator *gen) {
if (build_context.keep_temp_files) return;
String output_base = gen->output_base;
auto data = array_make<u8>(heap_allocator(), output_base.len + 30);
defer (array_free(&data));
for_array(i, gen->output_object_paths) {
String path = gen->output_object_paths[i];
for_array(i, gen->output_temp_paths) {
String path = gen->output_temp_paths[i];
gb_file_remove(cast(char const *)path.text);
}
isize n = output_base.len;
gb_memmove(data.data, output_base.text, n);
#define EXT_REMOVE(s) do { \
gb_memmove(data.data+n, s, gb_size_of(s)); \
gb_file_remove(cast(char const *)data.data); \
} while (0)
EXT_REMOVE(".ll");
EXT_REMOVE(".bc");
EXT_REMOVE("_memcpy_pass.bc");
if (build_context.build_mode != BuildMode_Object && !build_context.keep_object_files) {
#if defined(GB_SYSTEM_WINDOWS)
EXT_REMOVE(".obj");
EXT_REMOVE(".res");
#else
EXT_REMOVE(".o");
#endif
for_array(i, gen->output_object_paths) {
String path = gen->output_object_paths[i];
gb_file_remove(cast(char const *)path.text);
}
}
#undef EXT_REMOVE
}
@@ -1734,6 +1722,12 @@ void print_show_help(String const arg0, String const &command) {
print_usage_line(1, "-use-lld");
print_usage_line(2, "Use the LLD linker rather than the default");
print_usage_line(0, "");
print_usage_line(1, "-use-separate-modules");
print_usage_line(2, "The backend generates multiple build units which are then linked together");
print_usage_line(2, "Normally, a single build unit is generated for a standard project");
print_usage_line(0, "");
}
if (check) {