- remove block parameter from new_r_Proj and new_rd_Proj
[libfirm] / ir / tr / trvrfy.c
index ae2bc4a..49e8fea 100644 (file)
  * @author  Michael Beck, Goetz Lindenmaier
  * @version $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
-#include "irgraph_t.h"  /* for checking whether constant code is allocated
-                           on proper obstack */
+#include "irgraph_t.h"
 #include "irflag_t.h"
 #include "irprintf.h"
 #include "irgwalk.h"
-
+#include "error.h"
+#include "tv.h"
 
 #ifdef NDEBUG
 /*
@@ -58,7 +56,7 @@ do { \
     firm_vrfy_failure_msg = #expr " && " string; \
     return (ret); \
   } \
-} while(0)
+} while (0)
 
 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) \
 do { \
@@ -72,7 +70,7 @@ do { \
     } \
     return (ret); \
   } \
-} while(0)
+} while (0)
 
 #endif /* NDEBUG */
 
@@ -84,7 +82,8 @@ static const char *firm_vrfy_failure_msg;
  * Show diagnostic if an entity overwrites another one not
  * in direct superclasses.
  */
-static void show_ent_not_supertp(ir_entity *ent, ir_entity *ovw) {
+static void show_ent_not_supertp(ir_entity *ent, ir_entity *ovw)
+{
        ir_type *owner = get_entity_owner(ent);
        ir_type *ov_own = get_entity_owner(ovw);
        int i;
@@ -103,7 +102,8 @@ static void show_ent_not_supertp(ir_entity *ent, ir_entity *ovw) {
 /**
  * Show diagnostic if an entity overwrites a wrong number of things.
  */
-static void show_ent_overwrite_cnt(ir_entity *ent) {
+static void show_ent_overwrite_cnt(ir_entity *ent)
+{
        ir_type *owner = get_entity_owner(ent);
        int i, j, k, found, show_stp = 0;
 
@@ -140,21 +140,13 @@ static void show_ent_overwrite_cnt(ir_entity *ent) {
        }
 }
 
-/**
- * Shows a wrong entity allocation
- */
-static void show_ent_alloc_error(ir_entity *ent) {
-       ir_fprintf(stderr, "%+e owner %t has allocation %s\n",
-               ent, get_entity_type(ent),
-               get_allocation_name(get_entity_allocation(ent)));
-}
-
 #endif /* #ifndef NDEBUG */
 
 /**
  * Check a class
  */
-static int check_class(ir_type *tp) {
+static int check_class(ir_type *tp)
+{
        int i, j, k;
        int found;
 
@@ -207,7 +199,8 @@ static int check_class(ir_type *tp) {
 /**
  * Check an array.
  */
-static int check_array(ir_type *tp) {
+static int check_array(ir_type *tp)
+{
        int i, n_dim = get_array_n_dimensions(tp);
 
        for (i = 0; i < n_dim; ++i) {
@@ -225,7 +218,8 @@ static int check_array(ir_type *tp) {
 /**
  * Check a primitive.
  */
-static int check_primitive(ir_type *tp) {
+static int check_primitive(ir_type *tp)
+{
        ASSERT_AND_RET_DBG(
                is_mode(get_type_mode(tp)),
                "Primitive type without mode",
@@ -242,7 +236,8 @@ static int check_primitive(ir_type *tp) {
  * return
  *  0   if no error encountered
  */
-int check_type(ir_type *tp) {
+int check_type(ir_type *tp)
+{
        switch (get_type_tpop_code(tp)) {
        case tpo_class:
                return check_class(tp);
@@ -258,7 +253,8 @@ int check_type(ir_type *tp) {
 /**
  * checks the visited flag
  */
-static int check_visited_flag(ir_graph *irg, ir_node *n) {
+static int check_visited_flag(ir_graph *irg, ir_node *n)
+{
        ASSERT_AND_RET_DBG(
                get_irn_visited(n) <= get_irg_visited(irg),
                "Visited flag of node is larger than that of corresponding irg.",
@@ -279,7 +275,8 @@ struct myenv {
 /**
  * called by the walker
  */
-static void on_irg_storage(ir_node *n, void *env) {
+static void on_irg_storage(ir_node *n, void *env)
+{
        struct myenv *myenv = env;
 
        /* We also test whether the setting of the visited flag is legal. */
@@ -291,7 +288,8 @@ static void on_irg_storage(ir_node *n, void *env) {
  * checks whether a given constant IR node is NOT on the
  * constant IR graph.
  */
-static int constant_on_wrong_irg(ir_node *n) {
+static int constant_on_wrong_irg(ir_node *n)
+{
        struct myenv env;
 
        env.res = 1;  /* on right obstack */
@@ -301,35 +299,45 @@ static int constant_on_wrong_irg(ir_node *n) {
        return ! env.res;
 }
 
+static int initializer_constant_on_wrong_irg(ir_initializer_t *initializer)
+{
+       switch (get_initializer_kind(initializer)) {
+       case IR_INITIALIZER_NULL:
+               return 0;
+       case IR_INITIALIZER_TARVAL:
+               return 0;
+       case IR_INITIALIZER_CONST:
+               return constant_on_wrong_irg(get_initializer_const_value(initializer));
+       case IR_INITIALIZER_COMPOUND: {
+               int n = get_initializer_compound_n_entries(initializer);
+               int i;
+               for (i = 0; i < n; ++i) {
+                       ir_initializer_t *sub
+                               = get_initializer_compound_value(initializer, i);
+                       if (initializer_constant_on_wrong_irg(sub))
+                               return 1;
+               }
+               return 0;
+       }
+       }
+       panic("invalid initializer in initializer_on_wrong_irg");
+}
+
 /**
  * Check if constants node are NOT on the constant IR graph.
  *
  * @return NON-zero if an entity initializer constant is NOT on
  * the current_ir_graph's obstack.
  */
-static int constants_on_wrong_irg(ir_entity *ent) {
-       if (get_entity_variability(ent) == variability_uninitialized) return 0;
-
-       if (is_compound_entity(ent)) {
-               if(!ent->has_initializer) {
-                       int i;
-                       for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i) {
-                               if (constant_on_wrong_irg(get_compound_ent_value(ent, i)))
-                                       return 1;
-                       }
-               }
-       } else {
-               /* Might not be set if entity belongs to a description or is external allocated. */
-               if (get_atomic_ent_value(ent))
-                       return constant_on_wrong_irg(get_atomic_ent_value(ent));
-               else if (get_entity_visibility(ent) != visibility_external_allocated) {
-                       ASSERT_AND_RET_DBG(
-                               is_Class_type(get_entity_owner(ent)) &&
-                               get_class_peculiarity(get_entity_owner(ent)) == peculiarity_description,
-                               "Value in constant atomic entity not set.",
-                               0,
-                               ir_fprintf(stderr, "%+e, owner %+F\n", ent, get_entity_owner(ent))
-                       );
+static int constants_on_wrong_irg(ir_entity *ent)
+{
+       if (ent->initializer != NULL) {
+               return initializer_constant_on_wrong_irg(ent->initializer);
+       } else if (entity_has_compound_ent_values(ent)) {
+               int i;
+               for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i) {
+                       if (constant_on_wrong_irg(get_compound_ent_value(ent, i)))
+                               return 1;
                }
        }
        return 0;
@@ -343,10 +351,9 @@ static int constants_on_wrong_irg(ir_entity *ent) {
  *  0   if no error encountered
  *  != 0    a trvrfy_error_codes code
  */
-int check_entity(ir_entity *ent) {
-       int rem_vpi;
+int check_entity(ir_entity *ent)
+{
        ir_type *tp = get_entity_type(ent);
-       ir_type *owner = get_entity_owner(ent);
 
        current_ir_graph =  get_const_code_irg();
        ASSERT_AND_RET_DBG(
@@ -356,60 +363,42 @@ int check_entity(ir_entity *ent) {
                ir_fprintf(stderr, "%+e not on %+F\n", ent, current_ir_graph)
        );
 
-       rem_vpi = get_visit_pseudo_irgs();
-       set_visit_pseudo_irgs(1);
-       if ((get_entity_peculiarity(ent) == peculiarity_existent)         &&
-           (get_entity_visibility(ent) != visibility_external_allocated) &&
-           (is_Method_type(get_entity_type(ent)))                        &&
-           (!get_entity_irg(ent) || !(is_ir_graph(get_entity_irg(ent))))) {
-               ASSERT_AND_RET_DBG(
-                       0,
-                       "Method ents with pec_exist must have an irg",
-                       error_existent_entity_without_irg,
-                       ir_fprintf(stderr, "%+e\n", ent)
-               );
-       }
-       set_visit_pseudo_irgs(rem_vpi);
-
        /* Originally, this test assumed, that only method entities have
-          pecularity_inherited.  As I changed this, I have to test for method type before
-          doing the test. */
-       if (get_entity_peculiarity(ent) == peculiarity_inherited) {
-               if (is_Method_type(get_entity_type(ent))) {
-                       ir_entity *impl = get_SymConst_entity(get_atomic_ent_value(ent));
-                       ASSERT_AND_RET_DBG(
-                               get_entity_peculiarity(impl) == peculiarity_existent,
-                               "inherited method entities must have constant pointing to existent entity.",
-                               error_inherited_ent_without_const,
-                               ir_fprintf(stderr, "%+e points to %+e\n", ent, impl)
-                       );
-               }
-       }
+          pecularity_inherited.  As I changed this, I have to test for method type
+          before doing the test. */
+       if (get_entity_peculiarity(ent) == peculiarity_existent
+           && is_method_entity(ent)) {
 
-       /* Entities in global type are not dynamic or automatic allocated. */
-       if (owner == get_glob_type()) {
+               ir_entity *impl = get_SymConst_entity(get_atomic_ent_value(ent));
                ASSERT_AND_RET_DBG(
-                       get_entity_allocation(ent) != allocation_dynamic &&
-                       get_entity_allocation(ent) != allocation_automatic,
-                       "Entities in global type are not allowed to by dynamic or automatic allocated",
-                       error_glob_ent_allocation,
-                       show_ent_alloc_error(ent)
+                       impl != NULL,
+                       "inherited method entities must have constant pointing to existent entity.",
+                       error_inherited_ent_without_const,
+                       ir_fprintf(stderr, "%+e points to %+e\n", ent, impl)
                );
        }
 
-       if (get_entity_variability(ent) != variability_uninitialized) {
-               if (is_atomic_type(tp)) {
-                       ir_node *val = get_atomic_ent_value(ent);
-                       if (val) {
-                               ASSERT_AND_RET_DBG(
-                                       get_irn_mode(val) == get_type_mode(tp),
-                                       "Mode of constant in entity must match type.",
-                                       error_ent_const_mode,
-                                       ir_fprintf(stderr, "%+e const %+F, type %+F(%+F)\n",
-                                       ent, val, tp, get_type_mode(tp))
-                               );
-                       }
+       if (is_atomic_entity(ent) && ent->initializer != NULL) {
+               ir_mode *mode = NULL;
+               ir_initializer_t *initializer = ent->initializer;
+               switch (initializer->kind) {
+               case IR_INITIALIZER_CONST:
+                       mode = get_irn_mode(get_initializer_const_value(initializer));
+                       break;
+               case IR_INITIALIZER_TARVAL:
+                       mode = get_tarval_mode(get_initializer_tarval_value(initializer));
+                       break;
+               case IR_INITIALIZER_NULL:
+               case IR_INITIALIZER_COMPOUND:
+                       break;
                }
+               ASSERT_AND_RET_DBG(
+                       mode == NULL || mode == get_type_mode(tp),
+                       "Mode of constant in entity must match type.",
+                       error_ent_const_mode,
+                       ir_fprintf(stderr, "%+e, type %+F(%+F)\n",
+                       ent, tp, get_type_mode(tp))
+               );
        }
        return no_error;
 }
@@ -417,23 +406,64 @@ int check_entity(ir_entity *ent) {
 /*
  * check types and entities
  */
-static void check_tore(type_or_ent *tore, void *env) {
+static void check_tore(type_or_ent tore, void *env)
+{
        int *res = env;
-       assert(tore);
-       if (is_type(tore)) {
-               *res = check_type((ir_type *)tore);
+       assert(tore.ent);
+       if (is_type(tore.typ)) {
+               *res = check_type(tore.typ);
        } else {
-               assert(is_entity(tore));
-               *res = check_entity((ir_entity *)tore);
+               assert(is_entity(tore.ent));
+               *res = check_entity(tore.ent);
        }
 }
 
 /*
  * Verify types and entities.
  */
-int tr_vrfy(void) {
-       int res;
+int tr_vrfy(void)
+{
+       int      res = no_error;
+       ir_type *constructors;
+       ir_type *destructors;
+       ir_type *thread_locals;
+       int      i;
+       static ident *empty = NULL;
+
+       if (empty == NULL)
+               empty = new_id_from_chars("", 0);
 
        type_walk(check_tore, NULL, &res);
+
+       constructors = get_segment_type(IR_SEGMENT_CONSTRUCTORS);
+       for (i = get_compound_n_members(constructors)-1; i >= 0; --i) {
+               const ir_entity *entity = get_compound_member(constructors, i);
+               ASSERT_AND_RET(get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER,
+                              "entity without LINKAGE_HIDDEN_USER in constructors is pointless",
+                              1);
+               /* Mach-O doesn't like labels in this section */
+               ASSERT_AND_RET(get_entity_ld_ident(entity),
+                              "entity in constructors should have ld_ident=''", 1);
+       }
+       destructors = get_segment_type(IR_SEGMENT_DESTRUCTORS);
+       for (i = get_compound_n_members(destructors)-1; i >= 0; --i) {
+               const ir_entity *entity = get_compound_member(destructors, i);
+               ASSERT_AND_RET(get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER,
+                              "entity without LINKAGE_HIDDEN_USER in destructors is pointless",
+                              1);
+               /* Mach-O doesn't like labels in this section */
+               ASSERT_AND_RET(get_entity_ld_ident(entity),
+                              "entity in destructors should have ld_ident=''", 1);
+       }
+       thread_locals = get_segment_type(IR_SEGMENT_THREAD_LOCAL);
+       for (i = get_compound_n_members(thread_locals)-1; i >= 0; --i) {
+               const ir_entity *entity = get_compound_member(thread_locals, i);
+               /* this is odd and should not be allowed I think */
+               ASSERT_AND_RET(!is_method_entity(entity),
+                              "method in THREAD_LOCAL segment", 1);
+               ASSERT_AND_RET(! (get_entity_linkage(entity) & IR_LINKAGE_CONSTANT),
+                              "thread locals must not be constant", 1);
+       }
+
        return res;
 }