3 * File name: ir/tr/trvrfy.c
4 * Purpose: Check types and entities for correctness.
5 * Author: Michael Beck, Goetz Lindenmaier
9 * Copyright: (c) 2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
17 #include "irgraph_t.h" /* for checking whether constant code is allocated
24 static const char *firm_vrfy_failure_msg;
28 * in RELEASE mode, returns ret if the expression expr evaluates to zero
29 * in ASSERT mode, asserts the expression expr (and the string string).
31 #define ASSERT_AND_RET(expr, string, ret) if (!(expr)) return (ret)
34 * in RELEASE mode, returns ret if the expression expr evaluates to zero
35 * in ASSERT mode, executes blk if the expression expr evaluates to zero and asserts expr
37 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) if (!(expr)) return (ret)
39 #define ASSERT_AND_RET(expr, string, ret) \
41 if (opt_do_node_verification == FIRM_VERIFICATION_ON) {\
42 assert((expr) && string); } \
44 if (opt_do_node_verification == FIRM_VERIFICATION_REPORT) \
45 fprintf(stderr, #expr " : " string "\n"); \
46 firm_vrfy_failure_msg = #expr " && " string; \
51 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) \
54 firm_vrfy_failure_msg = #expr " && " string; \
55 if (opt_do_node_verification != FIRM_VERIFICATION_ERROR_ONLY) { blk; } \
56 if (opt_do_node_verification == FIRM_VERIFICATION_REPORT) \
57 fprintf(stderr, #expr " : " string "\n"); \
58 else if (opt_do_node_verification == FIRM_VERIFICATION_ON) { \
59 assert((expr) && string); \
70 static int check_class(ir_type *tp) {
74 /*printf("\n"); DDMT(tp);*/
76 for (i = 0; i < get_class_n_members(tp); i++) {
78 entity *mem = get_class_member(tp, i);
79 assert(mem && "NULL members not allowed");
80 /*printf(" %d, %d", get_entity_n_overwrites(mem), get_class_n_supertypes(tp)); DDME(mem);*/
81 if (!mem) return error_null_mem;
83 if (get_entity_n_overwrites(mem) > get_class_n_supertypes(tp)) {
85 get_entity_n_overwrites(mem) <= get_class_n_supertypes(tp),
86 "wrong number of entity overwrites",
87 error_wrong_ent_overwrites,
88 ir_fprintf(stderr, "%+F %+F\n", tp, mem)
91 for (j = 0; j < get_entity_n_overwrites(mem); j++) {
92 entity *ovw = get_entity_overwrites(mem, j);
93 /*printf(" overwrites: "); DDME(ovw);*/
94 /* Check whether ovw is member of one of tp's supertypes. If so,
95 the representation is correct. */
97 for (k = 0; k < get_class_n_supertypes(tp); k++) {
98 if (get_class_member_index(get_class_supertype(tp, k), ovw) >= 0) {
106 "overwrites an entity not contained in direct supertype",
108 ir_fprintf(stderr, "%+F %+F\n", tp, mem)
119 static int check_array(ir_type *tp) {
120 int i, n_dim = get_array_n_dimensions(tp);
121 for (i = 0; i < n_dim; ++i) {
123 has_array_lower_bound(tp, i) || has_array_upper_bound(tp, i),
124 "array bound missing",
126 ir_fprintf(stderr, "%+F in dimension %d\n", tp, i)
136 static int check_primitive(ir_type *tp) {
138 is_mode(get_type_mode(tp)),
139 "Primitive type without mode",
141 ir_fprintf(stderr, "%+F\n", tp)
151 * 0 if no error encountered
153 int check_type(ir_type *tp) {
154 switch (get_type_tpop_code(tp)) {
156 return check_class(tp);
158 return check_array(tp);
160 return check_primitive(tp);
167 * checks the visited flag
169 static int check_visited_flag(ir_graph *irg, ir_node *n) {
171 get_irn_visited(n) <= get_irg_visited(irg),
172 "Visited flag of node is larger than that of corresponding irg.",
174 ir_fprintf(stderr, "%+F in %+F\n", n, irg)
180 * helper environment struct for constant_on_wrong_obstack()
188 * called by the walker
190 static void on_irg_storage(ir_node *n, void *env) {
191 struct myenv *myenv = env;
193 /* We also test whether the setting of the visited flag is legal. */
194 myenv->res = node_is_in_irgs_storage(myenv->irg, n) &&
195 check_visited_flag(myenv->irg, n);
199 * checks whether a given constant IR node is NOT on the
202 static int constant_on_wrong_irg(ir_node *n) {
205 env.res = 1; /* on right obstack */
206 env.irg = get_const_code_irg();
208 irg_walk(n, on_irg_storage, NULL, (void *)&env);
213 * Check if constants node are NOT on the constant IR graph.
215 static int constants_on_wrong_irg(entity *ent) {
216 if (get_entity_variability(ent) == variability_uninitialized) return 0;
218 if (is_compound_entity(ent)) {
220 for (i = 0; i < get_compound_ent_n_values(ent); i++) {
221 if (constant_on_wrong_irg(get_compound_ent_value(ent, i)))
225 /* Might not be set if entity belongs to a description or is external allocated. */
226 if (get_atomic_ent_value(ent))
227 return constant_on_wrong_irg(get_atomic_ent_value(ent));
228 else if (get_entity_visibility(ent) != visibility_external_allocated) {
230 is_Class_type(get_entity_owner(ent)) &&
231 get_class_peculiarity(get_entity_owner(ent)) == peculiarity_description,
232 "Value in constant atomic entity not set.",
234 ir_fprintf(stderr, "%+F, owner %+F\n", ent, get_entity_owner(ent))
242 * Check an entity. Currently, we check only if initialized constants
243 * are build on the const irg graph.
246 * 0 if no error encountered
247 * != 0 a trvrfy_error_codes code
249 int check_entity(entity *ent) {
251 ir_type *tp = get_entity_type(ent);
252 ir_type *owner = get_entity_owner(ent);
254 current_ir_graph = get_const_code_irg();
255 ASSERT_AND_RET(constants_on_wrong_irg(ent) == 0, "Contants placed on wrong IRG", error_const_on_wrong_irg);
257 rem_vpi = get_visit_pseudo_irgs();
258 set_visit_pseudo_irgs(1);
259 if ((get_entity_peculiarity(ent) == peculiarity_existent) &&
260 (get_entity_visibility(ent) != visibility_external_allocated) &&
261 (is_Method_type(get_entity_type(ent))) &&
262 (!get_entity_irg(ent) || !(is_ir_graph(get_entity_irg(ent))))) {
265 "Method ents with pec_exist must have an irg",
266 error_existent_entity_without_irg,
267 ir_fprintf(stderr, "%+F\n", ent)
270 set_visit_pseudo_irgs(rem_vpi);
272 /* Originally, this test assumed, that only method entities have
273 pecularity_inherited. As I changed this, I have to test for method type before
275 if (get_entity_peculiarity(ent) == peculiarity_inherited) {
276 if (is_Method_type(get_entity_type(ent))) {
277 entity *impl = get_SymConst_entity(get_atomic_ent_value(ent));
279 get_entity_peculiarity(impl) == peculiarity_existent,
280 "inherited method entities must have constant pointing to existent entity.",
281 error_inherited_ent_without_const,
282 ir_fprintf(stderr, "%+F points to %+F\n", ent, impl)
287 /* Entities in global type are not dynamic or automatic allocated. */
288 if (owner == get_glob_type()) {
290 get_entity_allocation(ent) != allocation_dynamic &&
291 get_entity_allocation(ent) != allocation_automatic,
292 "Entities in global type are not allowed to by dynamic or automatic allocated",
293 error_glob_ent_allocation,
294 ir_fprintf(stderr, "%+F\n", ent)
298 if (get_entity_variability(ent) != variability_uninitialized) {
299 if (is_atomic_type(tp)) {
300 ir_node *val = get_atomic_ent_value(ent);
303 get_irn_mode(val) == get_type_mode(tp),
304 "Mode of constant in entity must match type.",
305 error_ent_const_mode,
306 ir_fprintf(stderr, "%+F const %+F, type %+F(%+F)\n",
307 ent, val, tp, get_type_mode(tp))
315 * check types and entities
317 static void check_tore(type_or_ent *tore, void *env) {
321 *res = check_type((ir_type *)tore);
323 assert(is_entity(tore));
324 *res = check_entity((entity *)tore);
329 * Verify types and entities.
334 type_walk(check_tore, NULL, &res);