tree
streamer_get_builtin_tree (struct lto_input_block *ib, struct data_in *data_in)
{
enum built_in_class fclass;
enum built_in_function fcode;
const char *asmname;
tree result;
fclass = streamer_read_enum (ib, built_in_class, BUILT_IN_LAST);
gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD);
fcode = (enum built_in_function) streamer_read_uhwi (ib);
if (fclass == BUILT_IN_NORMAL)
{
if (fcode >= END_BUILTINS)
fatal_error (input_location,
"machine independent builtin code out of range");
result = builtin_decl_explicit (fcode);
if (!result)
{
if (fcode > BEGIN_CHKP_BUILTINS && fcode < END_CHKP_BUILTINS)
{
fcode = (enum built_in_function)
(fcode - BEGIN_CHKP_BUILTINS - 1);
result = builtin_decl_explicit (fcode);
result = chkp_maybe_clone_builtin_fndecl (result);
}
else if (fcode > BEGIN_SANITIZER_BUILTINS
&& fcode < END_SANITIZER_BUILTINS)
{
initialize_sanitizer_builtins ();
result = builtin_decl_explicit (fcode);
}
}
gcc_assert (result);
}
else if (fclass == BUILT_IN_MD)
{
result = targetm.builtin_decl (fcode, true);
if (!result || result == error_mark_node)
fatal_error (input_location, "target specific builtin not available");
}
else
gcc_unreachable ();
asmname = streamer_read_string (data_in, ib);
if (asmname)
set_builtin_user_assembler_name (result, asmname);
streamer_tree_cache_append (data_in->reader_cache, result, 0);
return result;
}
tree
ubsan_instrument_unreachable (location_t loc)
{
if (flag_sanitize_undefined_trap_on_error)
return build_call_expr_loc (loc, builtin_decl_explicit (BUILT_IN_TRAP), 0);
initialize_sanitizer_builtins ();
tree data = ubsan_create_data ("__ubsan_unreachable_data", &loc, NULL,
NULL_TREE);
tree t = builtin_decl_explicit (BUILT_IN_UBSAN_HANDLE_BUILTIN_UNREACHABLE);
return build_call_expr_loc (loc, t, 1, build_fold_addr_expr_loc (loc, data));
}
tree
ubsan_instrument_return (location_t loc)
{
if (flag_sanitize_undefined_trap_on_error)
return build_call_expr_loc (loc, builtin_decl_explicit (BUILT_IN_TRAP), 0);
/* It is possible that PCH zapped table with definitions of sanitizer
builtins. Reinitialize them if needed. */
initialize_sanitizer_builtins ();
tree data = ubsan_create_data ("__ubsan_missing_return_data", 1, &loc,
NULL_TREE, NULL_TREE);
tree t = builtin_decl_explicit (BUILT_IN_UBSAN_HANDLE_MISSING_RETURN);
return build_call_expr_loc (loc, t, 1, build_fold_addr_expr_loc (loc, data));
}
