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Begin supporting string16 across the core library

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gingerBill
2025-08-02 11:55:16 +01:00
parent 2561427dd3
commit ae02d3d02d
20 changed files with 230 additions and 32 deletions
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37
src/llvm_backend_general.cpp
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@@ -2715,6 +2715,43 @@ gb_internal LLVMValueRef lb_find_or_add_entity_string_ptr(lbModule *m, String co
}
}
gb_internal LLVMValueRef lb_find_or_add_entity_string16_ptr(lbModule *m, String16 const &str, bool custom_link_section) {
// TODO(bill): caching for UTF-16 strings
LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
LLVMValueRef data = nullptr;
{
LLVMTypeRef llvm_u16 = LLVMInt16TypeInContext(m->ctx);
TEMPORARY_ALLOCATOR_GUARD();
LLVMValueRef *values = gb_alloc_array(temporary_allocator(), LLVMValueRef, str.len+1);
for (isize i = 0; i < str.len; i++) {
values[i] = LLVMConstInt(llvm_u16, str.text[i], false);
}
values[str.len] = LLVMConstInt(llvm_u16, 0, false);
data = LLVMConstArray(llvm_u16, values, cast(unsigned)(str.len+1));
}
u32 id = m->global_array_index.fetch_add(1);
gbString name = gb_string_make(temporary_allocator(), "csbs$");
name = gb_string_appendc(name, m->module_name);
name = gb_string_append_fmt(name, "$%x", id);
LLVMTypeRef type = LLVMTypeOf(data);
LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name);
LLVMSetInitializer(global_data, data);
lb_make_global_private_const(global_data);
LLVMSetAlignment(global_data, 1);
LLVMValueRef ptr = LLVMConstInBoundsGEP2(type, global_data, indices, 2);
return ptr;
}
gb_internal lbValue lb_find_or_add_entity_string(lbModule *m, String const &str, bool custom_link_section) {
LLVMValueRef ptr = nullptr;
if (str.len != 0) {