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Add -build-mode:assembly for -llvm-api

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This commit is contained in:
gingerBill
2020-10-20 12:35:12 +01:00
parent 0be6ddc7e2
commit 4e5b8f2c61
3 changed files with 40 additions and 18 deletions
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1
src/build_settings.cpp
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@@ -101,6 +101,7 @@ enum BuildModeKind {
BuildMode_Executable,
BuildMode_DynamicLibrary,
BuildMode_Object,
BuildMode_Assembly,
};

36
src/llvm_backend.cpp
View File

@@ -11872,9 +11872,12 @@ void lb_generate_code(lbGenerator *gen) {
}
}
// GB_ASSERT_MSG(LLVMTargetHasAsmBackend(target));
LLVMTargetMachineRef target_machine = LLVMCreateTargetMachine(target, target_triple, llvm_cpu, llvm_features, LLVMCodeGenLevelNone, LLVMRelocDefault, code_mode);
defer (LLVMDisposeTargetMachine(target_machine));
LLVMSetModuleDataLayout(mod, LLVMCreateTargetDataLayout(target_machine));
{ // Debug Info
@@ -12461,18 +12464,25 @@ void lb_generate_code(lbGenerator *gen) {
defer (gb_free(heap_allocator(), filepath_ll.text));
String filepath_obj = {};
switch (build_context.metrics.os) {
case TargetOs_windows:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".obj"));
break;
case TargetOs_darwin:
case TargetOs_linux:
case TargetOs_essence:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".o"));
break;
case TargetOs_js:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".wasm-obj"));
break;
LLVMCodeGenFileType code_gen_file_type = LLVMObjectFile;
if (build_context.build_mode == BuildMode_Assembly) {
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".S"));
code_gen_file_type = LLVMAssemblyFile;
} else {
switch (build_context.metrics.os) {
case TargetOs_windows:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".obj"));
break;
case TargetOs_darwin:
case TargetOs_linux:
case TargetOs_essence:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".o"));
break;
case TargetOs_js:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".wasm-obj"));
break;
}
}
@@ -12492,8 +12502,6 @@ void lb_generate_code(lbGenerator *gen) {
TIME_SECTION("LLVM Object Generation");
LLVMCodeGenFileType code_gen_file_type = LLVMObjectFile;
if (LLVMTargetMachineEmitToFile(target_machine, mod, cast(char *)filepath_obj.text, code_gen_file_type, &llvm_error)) {
gb_printf_err("LLVM Error: %s\n", llvm_error);
gb_exit(1);

21
src/main.cpp
View File

@@ -1061,6 +1061,8 @@ bool parse_build_flags(Array<String> args) {
build_context.build_mode = BuildMode_Object;
} else if (str == "exe") {
build_context.build_mode = BuildMode_Executable;
} else if (str == "asm" || str == "assembly" || str == "assembler") {
build_context.build_mode = BuildMode_Assembly;
} else {
gb_printf_err("Unknown build mode '%.*s'\n", LIT(str));
bad_flags = true;
@@ -1762,6 +1764,12 @@ int main(int arg_count, char const **arg_ptr) {
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
@@ -1825,11 +1833,16 @@ int main(int arg_count, char const **arg_ptr) {
}
lb_generate_code(&gen);
if (build_context.build_mode != BuildMode_Object) {
i32 linker_stage_exit_count = linker_stage(&gen);
if (linker_stage_exit_count != 0) {
return linker_stage_exit_count;
switch (build_context.build_mode) {
case BuildMode_Executable:
case BuildMode_DynamicLibrary:
{
i32 linker_stage_exit_count = linker_stage(&gen);
if (linker_stage_exit_count != 0) {
return linker_stage_exit_count;
}
}
break;
}
if (build_context.show_timings) {