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Add support for code model selection

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This commit is contained in:
Valentin Anger
2020-01-29 13:22:11 +01:00
committed by Andrew Kelley
parent 59bc1d2721
commit d448c3d38a
5 changed files with 105 additions and 1 deletions
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22
src/main.cpp
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@@ -103,6 +103,9 @@ static int print_full_usage(const char *arg0, FILE *file, int return_code) {
" -D[macro]=[value] define C [macro] to [value] (1 if [value] omitted)\n"
" -target-cpu [cpu] target one specific CPU by name\n"
" -target-feature [features] specify the set of CPU features to target\n"
" -code-model [default|tiny| set target code model\n"
" small|kernel|\n"
" medium|large]\n"
"\n"
"Link Options:\n"
" --bundle-compiler-rt for static libraries, include compiler-rt symbols\n"
@@ -452,6 +455,7 @@ int main(int argc, char **argv) {
bool function_sections = false;
const char *cpu = nullptr;
const char *features = nullptr;
CodeModel code_model = CodeModelDefault;
ZigList<const char *> llvm_argv = {0};
llvm_argv.append("zig (LLVM option parsing)");
@@ -768,6 +772,23 @@ int main(int argc, char **argv) {
clang_argv.append(argv[i]);
llvm_argv.append(argv[i]);
} else if (strcmp(arg, "-code-model") == 0) {
if (strcmp(argv[i], "default") == 0) {
code_model = CodeModelDefault;
} else if (strcmp(argv[i], "tiny") == 0) {
code_model = CodeModelTiny;
} else if (strcmp(argv[i], "small") == 0) {
code_model = CodeModelSmall;
} else if (strcmp(argv[i], "kernel") == 0) {
code_model = CodeModelKernel;
} else if (strcmp(argv[i], "medium") == 0) {
code_model = CodeModelMedium;
} else if (strcmp(argv[i], "large") == 0) {
code_model = CodeModelLarge;
} else {
fprintf(stderr, "-code-model options are 'default', 'tiny', 'small', 'kernel', 'medium', or 'large'\n");
return print_error_usage(arg0);
}
} else if (strcmp(arg, "--override-lib-dir") == 0) {
override_lib_dir = buf_create_from_str(argv[i]);
} else if (strcmp(arg, "--main-pkg-path") == 0) {
@@ -1170,6 +1191,7 @@ int main(int argc, char **argv) {
codegen_set_errmsg_color(g, color);
g->system_linker_hack = system_linker_hack;
g->function_sections = function_sections;
g->code_model = code_model;
for (size_t i = 0; i < lib_dirs.length; i += 1) {