void eh_init(void)
{
obstack_init(&lpads);
ir_type *type_reference = new_type_primitive(mode_P);
exception_object_entity = new_entity(get_tls_type(), new_id_from_str("__oo_rt_exception_object__"), type_reference);
set_entity_initializer(exception_object_entity, get_initializer_null());
ir_type *throw_type = new_type_method(1, 0);
set_method_param_type(throw_type, 0, type_reference);
throw_entity = new_entity(get_glob_type(), new_id_from_str("firm_personality"), throw_type);
set_entity_visibility(throw_entity, ir_visibility_external);
top = NULL;
}
ir_entity *create_compilerlib_entity(ident *id, ir_type *mt)
{
ir_entity *entity = pmap_get(ir_entity, irp->compilerlib_entities, id);
if (entity != NULL)
return entity;
/* let frontend mangle the name */
ident *ld_name = compilerlib_mangler(id, mt);
/* search for an existing entity */
ir_type *glob = get_glob_type();
for (size_t i = 0, n_members = get_compound_n_members(glob);
i < n_members; ++i) {
ir_entity *member = get_compound_member(glob, i);
if (get_entity_ld_ident(member) == ld_name) {
entity = member;
goto found;
}
}
entity = new_entity(glob, id, mt);
set_entity_ld_ident(entity, ld_name);
set_entity_visibility(entity, ir_visibility_external);
found:
pmap_insert(irp->compilerlib_entities, id, entity);
return entity;
}
void dmemory_init(void)
{
ir_type *type_reference = new_type_primitive(mode_P);
ir_type *type_int = new_type_primitive(mode_Is);
ir_type *type_size_t = new_type_primitive(mode_Iu);
ir_type *calloc_type = new_type_method(2, 1);
set_method_param_type(calloc_type, 0, type_size_t);
set_method_param_type(calloc_type, 1, type_size_t);
set_method_res_type(calloc_type, 0, type_reference);
set_method_additional_properties(calloc_type, mtp_property_malloc);
ir_type *glob = get_glob_type();
ident *calloc_id = new_id_from_str("calloc");
calloc_entity = new_entity(glob, calloc_id, calloc_type);
set_entity_visibility(calloc_entity, ir_visibility_external);
ir_type *arraylength_type = new_type_method(1, 1);
set_method_param_type(arraylength_type, 0, type_reference);
set_method_res_type(arraylength_type, 0, type_int);
set_method_additional_properties(arraylength_type, mtp_property_pure);
default_arraylength_mode = mode_Is;
dmemory_model.alloc_object = dmemory_default_alloc_object;
dmemory_model.alloc_array = dmemory_default_alloc_array;
dmemory_model.get_arraylength = dmemory_default_get_arraylength;
}
static ir_entity *emit_field_table(ir_type *classtype)
{
class_t *linked_class = (class_t*) oo_get_type_link(classtype);
assert(linked_class);
uint16_t n_fields = linked_class->n_fields;
if (n_fields == 0)
return NULL;
ir_type *type_array = new_type_array(type_field_desc, n_fields);
unsigned size = n_fields * get_type_size(type_field_desc);
set_type_size(type_array, size);
ir_initializer_t *init = create_initializer_compound(n_fields);
for (uint16_t i = 0; i < n_fields; i++) {
ir_entity *field = linked_class->fields[i]->link;
ir_initializer_t *desc = get_field_desc(classtype, field);
set_initializer_compound_value(init, i, desc);
}
ident *id = id_unique("_FT");
ir_entity *ft_ent = new_entity(get_glob_type(), id, type_array);
set_entity_initializer(ft_ent, init);
set_entity_ld_ident(ft_ent, id);
return ft_ent;
}
static ir_entity *emit_interface_table(ir_type *classtype)
{
class_t *linked_class = (class_t*) oo_get_type_link(classtype);
assert(linked_class);
uint16_t n_interfaces = linked_class->n_interfaces;
if (n_interfaces == 0)
return NULL;
ir_type *type_array = new_type_array(type_reference, n_interfaces);
unsigned size = n_interfaces * get_type_size(type_reference);
set_type_size(type_array, size);
ir_initializer_t *init = create_initializer_compound(n_interfaces);
for (uint16_t i = 0; i < n_interfaces; i++) {
uint16_t iface_ref = linked_class->interfaces[i];
constant_classref_t *clsref = (constant_classref_t*) linked_class->constants[iface_ref];
constant_utf8_string_t *clsname = (constant_utf8_string_t*) linked_class->constants[clsref->name_index];
ir_type *type = class_registry_get(clsname->bytes);
assert(type);
ir_entity *rtti_entity = gcji_get_rtti_entity(type);
assert(rtti_entity != NULL);
set_compound_init_entref(init, i, rtti_entity);
}
ident *id = id_unique("_IF");
ir_entity *if_ent = new_entity(get_glob_type(), id, type_array);
set_entity_initializer(if_ent, init);
set_entity_ld_ident(if_ent, id);
return if_ent;
}
ir_entity *be_make_va_start_entity(ir_type *const frame_type, int const offset)
{
ident *const id = new_id_from_str("$va_start");
ir_type *const unknown = get_unknown_type();
ir_entity *const va_start = new_entity(frame_type, id, unknown);
set_entity_offset(va_start, offset);
return va_start;
}
void gcji_create_rtti_entity(ir_type *type)
{
const char *name = get_compound_name(type);
/* create RTTI object entity (actual initializer is constructed in liboo) */
ident *rtti_ident = mangle_rtti_name(name);
ir_type *unknown = get_unknown_type();
ir_entity *rtti_entity = new_entity(glob, rtti_ident, unknown);
oo_set_class_rtti_entity(type, rtti_entity);
}
void gcji_create_vtable_entity(ir_type *type)
{
const char *name = get_compound_name(type);
ident *vtable_ident = mangle_vtable_name(name);
ir_type *unknown = get_unknown_type();
ir_type *glob = get_glob_type();
ir_entity *vtable = new_entity(glob, vtable_ident, unknown);
oo_set_class_vtable_entity(type, vtable);
}
/**
* Create a trampoline entity for the given method.
*/
static ir_entity *create_trampoline(be_main_env_t *be, ir_entity *method)
{
ir_type *type = get_entity_type(method);
ident *old_id = get_entity_ld_ident(method);
ident *id = new_id_fmt("%s$stub", old_id);
ir_type *parent = be->pic_trampolines_type;
ir_entity *ent = new_entity(parent, old_id, type);
set_entity_ld_ident(ent, id);
set_entity_visibility(ent, ir_visibility_private);
return ent;
}
static ir_entity *create_pic_symbol(be_main_env_t *be, ir_entity *entity)
{
ident *old_id = get_entity_ld_ident(entity);
ident *id = new_id_fmt("%s$non_lazy_ptr", old_id);
ir_type *e_type = get_entity_type(entity);
ir_type *type = new_type_pointer(e_type);
ir_type *parent = be->pic_symbols_type;
ir_entity *ent = new_entity(parent, old_id, type);
set_entity_ld_ident(ent, id);
set_entity_visibility(ent, ir_visibility_private);
return ent;
}
ir_entity *create_compilerlib_entity(ident *id, ir_type *mt)
{
ident *ld_name = compilerlib_mangler(id, mt);
/* Look for existing entity. */
ir_entity *entity = ir_get_global(ld_name);
if (entity != NULL)
return entity;
/* Create a new one */
ir_type *glob = get_glob_type();
entity = new_entity(glob, ld_name, mt);
return entity;
}
static void add_pointer_in_jcr_segment(ir_entity *entity)
{
if (!create_jcr_segment)
return;
ir_type *segment = get_segment_type(IR_SEGMENT_JCR);
ident *id = id_unique("jcr_ptr");
ir_entity *ptr = new_entity(segment, id, type_reference);
ir_graph *irg = get_const_code_irg();
ir_node *val = new_r_Address(irg, entity);
set_entity_ld_ident(ptr, new_id_from_chars("", 0));
set_entity_visibility(ptr, ir_visibility_private);
set_entity_linkage(ptr, IR_LINKAGE_CONSTANT|IR_LINKAGE_HIDDEN_USER);
set_entity_alignment(ptr, 1);
ir_initializer_t *const init = create_initializer_const(val);
set_entity_initializer(ptr, init);
}
static ir_entity *make_divmod(char const *const name, ir_type *const even, ir_type *const odd)
{
ir_type *const mtp = new_type_method(4, 4);
set_method_param_type(mtp, 0, even);
set_method_param_type(mtp, 1, odd);
set_method_param_type(mtp, 2, even);
set_method_param_type(mtp, 3, odd);
set_method_res_type(mtp, 0, even);
set_method_res_type(mtp, 1, odd);
set_method_res_type(mtp, 2, even);
set_method_res_type(mtp, 3, odd);
ident *const id = new_id_from_str(name);
ir_type *const glob = get_glob_type();
ir_entity *const ent = new_entity(glob, id, mtp);
set_entity_ld_ident(ent, id);
set_entity_visibility(ent, ir_visibility_external);
return ent;
}
static void sparc_layout_param_entities(ir_graph *const irg, calling_convention_t *const cconv, ir_type *const non_lowered)
{
ir_entity **const param_map = be_collect_parameter_entities(irg);
ir_type *const frame_type = get_irg_frame_type(irg);
size_t const n_params = cconv->n_parameters;
/* calculate offsets/create missing entities */
for (size_t i = 0; i < n_params; ++i) {
reg_or_stackslot_t *const param = &cconv->parameters[i];
ir_entity * entity = param_map[i];
if (entity == NULL) {
if (!param->already_stored)
continue;
entity = new_parameter_entity(frame_type, i, param->type);
}
param->entity = entity;
set_entity_offset(entity, param->offset);
}
ir_entity *const function = get_irg_entity(irg);
ir_type *const function_type = get_entity_type(function);
if (is_method_variadic(function_type)) {
ir_type *unknown = get_unknown_type();
ident *id = new_id_from_str("$va_start");
ir_entity *va_start_addr = new_entity(frame_type, id, unknown);
/* sparc_variadic_fixups() fiddled with our type, find out the
* original number of parameters */
size_t const orig_n_params = get_method_n_params(non_lowered);
long offset;
if (orig_n_params < n_params) {
assert(param_map[orig_n_params] != NULL);
offset = get_entity_offset(param_map[orig_n_params]);
} else {
offset = cconv->param_stack_size + SPARC_MIN_STACKSIZE;
}
set_entity_offset(va_start_addr, offset);
cconv->va_start_addr = va_start_addr;
}
free(param_map);
}
static ir_entity *create_ent(ir_entity **const dst, int value, const char *name)
{
if (!*dst) {
ir_mode *const mode = mode_Hu;
ir_type *const type = new_type_primitive(mode);
set_type_alignment_bytes(type, 4);
ir_type *const glob = get_glob_type();
ident *const id = new_id_from_str(name);
ir_entity *const ent = new_entity(glob, id, type);
set_entity_ld_ident(ent, id);
set_entity_visibility(ent, ir_visibility_local);
add_entity_linkage(ent, IR_LINKAGE_CONSTANT);
ir_graph *const cnst_irg = get_const_code_irg();
ir_node *const cnst = new_r_Const_long(cnst_irg, mode, value);
set_atomic_ent_value(ent, cnst);
*dst = ent;
}
return *dst;
}
static ir_entity *do_emit_utf8_const(const char *bytes, size_t len)
{
size_t len0 = len + 1; // incl. the '\0' byte
int hash = java_style_hash(bytes) & 0xFFFF;
scp_entry test_scpe;
test_scpe.s = (char*)bytes;
scp_entry *found_scpe = cpset_find(&scp, &test_scpe);
if (found_scpe != NULL) {
ir_entity *utf8const = found_scpe->utf8c;
return utf8const;
}
ir_initializer_t *data_init = create_initializer_compound(len0);
for (size_t i = 0; i < len0; ++i) {
set_compound_init_num(data_init, i, mode_Bu, bytes[i]);
}
ir_initializer_t *cinit = create_initializer_compound(3);
set_compound_init_num(cinit, 0, mode_ushort, hash);
set_compound_init_num(cinit, 1, mode_ushort, len);
set_initializer_compound_value(cinit, 2, data_init);
ident *id = id_unique("_Utf8");
ir_entity *utf8c = new_entity(get_glob_type(), id, type_utf8_const);
set_entity_initializer(utf8c, cinit);
set_entity_ld_ident(utf8c, id);
add_entity_linkage(utf8c, IR_LINKAGE_CONSTANT);
scp_entry *new_scpe = XMALLOC(scp_entry);
new_scpe->s = XMALLOCN(char, len0);
memcpy(new_scpe->s, bytes, len0);
new_scpe->utf8c = utf8c;
cpset_insert(&scp, new_scpe);
return utf8c;
}
static ir_entity *emit_method_table(ir_type *classtype)
{
class_t *linked_class = (class_t*) oo_get_type_link(classtype);
assert(linked_class);
uint16_t n_methods = linked_class->n_methods;
ir_type *array_type = new_type_array(type_method_desc, n_methods);
unsigned size = n_methods * get_type_size(type_method_desc);
set_type_size(array_type, size);
ir_initializer_t *cinit = create_initializer_compound(n_methods);
for (uint16_t i = 0; i < n_methods; i++) {
ir_entity *method = linked_class->methods[i]->link;
ir_initializer_t *method_desc = get_method_desc(classtype, method);
set_initializer_compound_value(cinit, i, method_desc);
}
ident *id = id_unique("_MT");
ir_entity *mt_ent = new_entity(get_glob_type(), id, array_type);
set_entity_initializer(mt_ent, cinit);
set_entity_ld_ident(mt_ent, id);
return mt_ent;
}
void gcji_init()
{
class_dollar_ident = new_id_from_str("class$");
glob = get_glob_type();
ir_type *t_ptr = new_type_primitive(mode_reference);
ir_type *t_size = new_type_primitive(mode_Iu);
// gcj_alloc
ir_type *gcj_alloc_method_type
= new_type_method(1, 1, false, 0, mtp_property_malloc);
set_method_param_type(gcj_alloc_method_type, 0, t_ptr);
set_method_res_type(gcj_alloc_method_type, 0, t_ptr);
ident *gcj_alloc_id
= ir_platform_mangle_global("_Jv_AllocObjectNoFinalizer");
gcj_alloc_entity = new_entity(glob, gcj_alloc_id, gcj_alloc_method_type);
set_entity_visibility(gcj_alloc_entity, ir_visibility_external);
// gcj_init
ir_type *gcj_init_method_type = new_type_method(1, 0, false, 0, 0);
set_method_param_type(gcj_init_method_type, 0, t_ptr);
ident *gcj_init_id = ir_platform_mangle_global("_Jv_InitClass");
gcj_init_entity = new_entity(glob, gcj_init_id, gcj_init_method_type);
set_entity_visibility(gcj_init_entity, ir_visibility_external);
// gcj_new_string
ir_type *gcj_new_string_method_type = new_type_method(1, 1, false, 0, 0);
set_method_param_type(gcj_new_string_method_type, 0, t_ptr);
set_method_res_type(gcj_new_string_method_type, 0, t_ptr);
ident *gcj_new_string_id
= ir_platform_mangle_global("_Z22_Jv_NewStringUtf8ConstP13_Jv_Utf8Const");
gcj_new_string_entity = new_entity(glob, gcj_new_string_id, gcj_new_string_method_type);
set_entity_visibility(gcj_new_string_entity, ir_visibility_external);
// gcj_new_prim_array
ir_type *gcj_new_prim_array_method_type
= new_type_method(2, 1, false, 0, 0);
set_method_param_type(gcj_new_prim_array_method_type, 0, t_ptr);
set_method_param_type(gcj_new_prim_array_method_type, 1, t_size);
set_method_res_type(gcj_new_prim_array_method_type, 0, t_ptr);
ident *gcj_new_prim_array_id
= ir_platform_mangle_global("_Jv_NewPrimArray");
gcj_new_prim_array_entity = new_entity(glob, gcj_new_prim_array_id, gcj_new_prim_array_method_type);
set_entity_visibility(gcj_new_prim_array_entity, ir_visibility_external);
// gcj_new_object_array
ir_type *gcj_new_object_array_method_type
= new_type_method(3, 1, false, 0, 0);
set_method_param_type(gcj_new_object_array_method_type, 0, t_size);
set_method_param_type(gcj_new_object_array_method_type, 1, t_ptr);
set_method_param_type(gcj_new_object_array_method_type, 2, t_ptr);
set_method_res_type(gcj_new_object_array_method_type, 0, t_ptr);
ident *gcj_new_object_array_id
= ir_platform_mangle_global("_Jv_NewObjectArray");
gcj_new_object_array_entity = new_entity(glob, gcj_new_object_array_id, gcj_new_object_array_method_type);
set_entity_visibility(gcj_new_object_array_entity, ir_visibility_external);
// gcji_abstract_method
ir_type *gcj_abstract_method_type = new_type_method(0, 0, false, 0, 0);
gcj_abstract_method_entity
= new_entity(glob, ir_platform_mangle_global("_Jv_ThrowAbstractMethodError"), gcj_abstract_method_type);
set_entity_visibility(gcj_abstract_method_entity, ir_visibility_external);
// gcji_lookup_interface
ir_type *gcj_lookup_interface_type = new_type_method(3, 1, false, 0, 0);
set_method_param_type(gcj_lookup_interface_type, 0, t_ptr);
set_method_param_type(gcj_lookup_interface_type, 1, t_ptr);
set_method_param_type(gcj_lookup_interface_type, 2, t_ptr);
set_method_res_type(gcj_lookup_interface_type, 0, t_ptr);
gcj_lookup_interface_entity = new_entity(glob, ir_platform_mangle_global("_Jv_LookupInterfaceMethod"), gcj_lookup_interface_type);
set_entity_visibility(gcj_lookup_interface_entity, ir_visibility_external);
// gcji_instanceof
ir_type *gcj_instanceof_type = new_type_method(2, 1, false, 0, 0);
set_method_param_type(gcj_instanceof_type, 0, type_reference);
set_method_param_type(gcj_instanceof_type, 1, type_reference);
set_method_res_type(gcj_instanceof_type, 0, type_int);
gcj_instanceof_entity = new_entity(glob, ir_platform_mangle_global("_Jv_IsInstanceOf"), gcj_instanceof_type);
set_entity_visibility(gcj_instanceof_entity, ir_visibility_external);
// gcji_checkcast
ir_type *gcj_checkcast_type = new_type_method(2, 0, false, 0, 0);
set_method_param_type(gcj_checkcast_type, 0, type_reference);
set_method_param_type(gcj_checkcast_type, 1, type_reference);
gcj_checkcast_entity = new_entity(glob, ir_platform_mangle_global("_Jv_CheckCast"), gcj_checkcast_type);
set_entity_visibility(gcj_checkcast_entity, ir_visibility_external);
// gcji_get_array_class
ir_type *gcj_get_array_class_type = new_type_method(2, 1, false, 0, 0);
set_method_param_type(gcj_get_array_class_type, 0, type_reference);
set_method_param_type(gcj_get_array_class_type, 1, type_reference);
set_method_res_type(gcj_get_array_class_type, 0, type_reference);
gcj_get_array_class_entity
= new_entity(glob, ir_platform_mangle_global("_Z17_Jv_GetArrayClassPN4java4lang5ClassEPNS0_11ClassLoaderE"), gcj_get_array_class_type);
set_entity_visibility(gcj_get_array_class_entity, ir_visibility_external);
// gcji_new_multi_array
ir_type *gcj_new_multiarray_type = new_type_method(3, 1, false, 0, 0);
set_method_param_type(gcj_new_multiarray_type, 0, type_reference);
set_method_param_type(gcj_new_multiarray_type, 1, type_int);
set_method_param_type(gcj_new_multiarray_type, 2, type_reference); // XXX: actually int[]
set_method_res_type(gcj_new_multiarray_type, 0, type_reference);
gcj_new_multiarray_entity
= new_entity(glob, ir_platform_mangle_global("_Z17_Jv_NewMultiArrayPN4java4lang5ClassEiPi"), gcj_new_multiarray_type);
set_entity_visibility(gcj_new_multiarray_entity, ir_visibility_external);
// primitive classes
gcj_boolean_rtti_entity= extvar("_Jv_booleanClass", type_reference);
gcj_byte_rtti_entity = extvar("_Jv_byteClass", type_reference);
gcj_char_rtti_entity = extvar("_Jv_charClass", type_reference);
gcj_short_rtti_entity = extvar("_Jv_shortClass", type_reference);
gcj_int_rtti_entity = extvar("_Jv_intClass", type_reference);
gcj_long_rtti_entity = extvar("_Jv_longClass", type_reference);
gcj_float_rtti_entity = extvar("_Jv_floatClass", type_reference);
gcj_double_rtti_entity = extvar("_Jv_doubleClass", type_reference);
mode_ushort = new_int_mode("US", 16, 0, 16);
type_ushort = new_type_primitive(mode_ushort);
cpset_init(&scp, scp_hash, scp_cmp);
type_method_desc = create_method_desc_type();
type_field_desc = create_field_desc_type();
type_utf8_const = create_utf8_const_type();
superobject_ident = new_id_from_str("@base");
ddispatch_set_vtable_layout(2, 4, 2, setup_vtable);
ddispatch_set_abstract_method_entity(gcj_abstract_method_entity);
ddispatch_set_interface_lookup_constructor(gcji_lookup_interface);
/* we construct rtti right away */
rtti_set_runtime_typeinfo_constructor(dummy);
rtti_set_instanceof_constructor(gcji_instanceof);
dmemory_set_allocation_methods(gcji_get_arraylength);
}
static ir_entity *add_compound_member(ir_type *compound, const char *name,
ir_type *type)
{
ident *id = new_id_from_str(name);
return new_entity(compound, id, type);
}
