diff options
Diffstat (limited to 'src/llvm_backend_general.cpp')
| -rw-r--r-- | src/llvm_backend_general.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/llvm_backend_general.cpp b/src/llvm_backend_general.cpp index d9771a75b..9ef1c23c0 100644 --- a/src/llvm_backend_general.cpp +++ b/src/llvm_backend_general.cpp @@ -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) { |