diff options
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index 9e2f2bc91f..8ecdd36358 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -634,6 +634,13 @@ static LLVMValueRef gen_builtin_fn_call_expr(CodeGen *g, AstNode *node) { case BuiltinFnIdBreakpoint: set_debug_source_node(g, node); return LLVMBuildCall(g->builder, g->trap_fn_val, nullptr, 0, ""); + case BuiltinFnIdFrameAddress: + case BuiltinFnIdReturnAddress: + { + LLVMValueRef zero = LLVMConstNull(g->builtin_types.entry_i32->type_ref); + set_debug_source_node(g, node); + return LLVMBuildCall(g->builder, builtin_fn->fn_val, &zero, 1, ""); + } case BuiltinFnIdCmpExchange: return gen_cmp_exchange(g, node); case BuiltinFnIdFence: @@ -4331,6 +4338,26 @@ static void define_builtin_fns(CodeGen *g) { g->trap_fn_val = builtin_fn->fn_val; } { + BuiltinFnEntry *builtin_fn = create_builtin_fn_with_arg_count(g, BuiltinFnIdReturnAddress, + "return_address", 0); + builtin_fn->return_type = get_pointer_to_type(g, g->builtin_types.entry_u8, true); + + LLVMTypeRef fn_type = LLVMFunctionType(builtin_fn->return_type->type_ref, + &g->builtin_types.entry_i32->type_ref, 1, false); + builtin_fn->fn_val = LLVMAddFunction(g->module, "llvm.returnaddress", fn_type); + assert(LLVMGetIntrinsicID(builtin_fn->fn_val)); + } + { + BuiltinFnEntry *builtin_fn = create_builtin_fn_with_arg_count(g, BuiltinFnIdFrameAddress, + "frame_address", 0); + builtin_fn->return_type = get_pointer_to_type(g, g->builtin_types.entry_u8, true); + + LLVMTypeRef fn_type = LLVMFunctionType(builtin_fn->return_type->type_ref, + &g->builtin_types.entry_i32->type_ref, 1, false); + builtin_fn->fn_val = LLVMAddFunction(g->module, "llvm.frameaddress", fn_type); + assert(LLVMGetIntrinsicID(builtin_fn->fn_val)); + } + { BuiltinFnEntry *builtin_fn = create_builtin_fn(g, BuiltinFnIdMemcpy, "memcpy"); builtin_fn->return_type = g->builtin_types.entry_void; builtin_fn->param_count = 3; |