one more
[cparser] / ast2firm.c
index 695b4cb..82914bd 100644 (file)
 
 #define MAGIC_DEFAULT_PN_NUMBER            (long) -314159265
 
+/* some idents needed for name mangling */
+static ident *id_underscore;
+static ident *id_imp;
+
 static ir_type *ir_type_const_char;
 static ir_type *ir_type_wchar_t;
 static ir_type *ir_type_void;
@@ -72,10 +76,13 @@ typedef enum declaration_kind_t {
        DECLARATION_KIND_LOCAL_VARIABLE_ENTITY,
        DECLARATION_KIND_COMPOUND_MEMBER,
        DECLARATION_KIND_LABEL_BLOCK,
-       DECLARATION_KIND_ENUM_ENTRY
+       DECLARATION_KIND_ENUM_ENTRY,
+       DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE,
+       DECLARATION_KIND_COMPOUND_TYPE_COMPLETE
 } declaration_kind_t;
 
 static ir_type *get_ir_type(type_t *type);
+static ir_type *get_ir_type_incomplete(type_t *type);
 static int count_decls_in_stmts(const statement_t *stmt);
 
 ir_node *uninitialized_local_var(ir_graph *irg, ir_mode *mode, int pos)
@@ -112,17 +119,6 @@ static dbg_info *get_dbg_info(const source_position_t *pos)
        return (dbg_info*) pos;
 }
 
-static unsigned unique_id = 0;
-
-static ident *unique_ident(const char *tag)
-{
-       char buf[256];
-
-       snprintf(buf, sizeof(buf), "%s.%u", tag, unique_id);
-       unique_id++;
-       return new_id_from_str(buf);
-}
-
 static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST+1];
 
 static ir_mode *mode_int, *mode_uint;
@@ -221,6 +217,10 @@ static unsigned get_type_size_const(type_t *type)
                panic("error type occured");
        case TYPE_ATOMIC:
                return get_atomic_type_size(type->atomic.akind);
+       case TYPE_COMPLEX:
+               return 2 * get_atomic_type_size(type->complex.akind);
+       case TYPE_IMAGINARY:
+               return get_atomic_type_size(type->imaginary.akind);
        case TYPE_ENUM:
                return get_mode_size_bytes(mode_int);
        case TYPE_COMPOUND_UNION:
@@ -281,19 +281,51 @@ static unsigned count_parameters(const function_type_t *function_type)
        return count;
 }
 
+/**
+ * Creates a Firm type for an atomic type
+ */
 static ir_type *create_atomic_type(const atomic_type_t *type)
 {
        dbg_info           *dbgi      = get_dbg_info(&type->base.source_position);
        atomic_type_kind_t  kind      = type->akind;
        ir_mode            *mode      = _atomic_modes[kind];
-       unsigned            alignment = get_atomic_type_alignment(kind);
        ident              *id        = get_mode_ident(mode);
        ir_type            *irtype    = new_d_type_primitive(id, mode, dbgi);
 
-       if(type->base.alignment > alignment)
-               alignment = type->base.alignment;
+       set_type_alignment_bytes(irtype, type->base.alignment);
+
+       return irtype;
+}
+
+/**
+ * Creates a Firm type for a complex type
+ */
+static ir_type *create_complex_type(const complex_type_t *type)
+{
+       dbg_info           *dbgi      = get_dbg_info(&type->base.source_position);
+       atomic_type_kind_t  kind      = type->akind;
+       ir_mode            *mode      = _atomic_modes[kind];
+       ident              *id        = get_mode_ident(mode);
+
+       (void) id;
+       (void) dbgi;
 
-       set_type_alignment_bytes(irtype, alignment);
+       /* FIXME: finish the array */
+       return NULL;
+}
+
+/**
+ * Creates a Firm type for an imaginary type
+ */
+static ir_type *create_imaginary_type(const imaginary_type_t *type)
+{
+       dbg_info           *dbgi      = get_dbg_info(&type->base.source_position);
+       atomic_type_kind_t  kind      = type->akind;
+       ir_mode            *mode      = _atomic_modes[kind];
+       ident              *id        = get_mode_ident(mode);
+       ir_type            *irtype    = new_d_type_primitive(id, mode, dbgi);
+
+       set_type_alignment_bytes(irtype, type->base.alignment);
 
        return irtype;
 }
@@ -302,7 +334,7 @@ static ir_type *create_method_type(const function_type_t *function_type)
 {
        type_t  *return_type  = function_type->return_type;
 
-       ident   *id           = unique_ident("functiontype");
+       ident   *id           = id_unique("functiontype.%u");
        int      n_parameters = count_parameters(function_type);
        int      n_results    = return_type == type_void ? 0 : 1;
        dbg_info *dbgi        = get_dbg_info(&function_type->base.source_position);
@@ -330,19 +362,11 @@ static ir_type *create_method_type(const function_type_t *function_type)
 
 static ir_type *create_pointer_type(pointer_type_t *type)
 {
-       type_t  *points_to = type->points_to;
-       ir_type *ir_points_to;
-       /* Avoid endless recursion if the points_to type contains this poiner type
-        * again (might be a struct). We therefore first create a void* pointer
-        * and then set the real points_to type
-        */
-       dbg_info *dbgi    = get_dbg_info(&type->base.source_position);
-       ir_type  *ir_type = new_d_type_pointer(unique_ident("pointer"),
-                                           ir_type_void, mode_P_data, dbgi);
-       type->base.firm_type  = ir_type;
-
-       ir_points_to = get_ir_type(points_to);
-       set_pointer_points_to_type(ir_type, ir_points_to);
+       type_t   *points_to    = type->points_to;
+       ir_type  *ir_points_to = get_ir_type_incomplete(points_to);
+       dbg_info *dbgi         = get_dbg_info(&type->base.source_position);
+       ir_type  *ir_type      = new_d_type_pointer(id_unique("pointer.%u"),
+                                                   ir_points_to, mode_P_data, dbgi);
 
        return ir_type;
 }
@@ -352,7 +376,7 @@ static ir_type *create_array_type(array_type_t *type)
        type_t  *element_type    = type->element_type;
        ir_type *ir_element_type = get_ir_type(element_type);
 
-       ident    *id      = unique_ident("array");
+       ident    *id      = id_unique("array.%u");
        dbg_info *dbgi    = get_dbg_info(&type->base.source_position);
        ir_type  *ir_type = new_d_type_array(id, 1, ir_element_type, dbgi);
 
@@ -466,63 +490,96 @@ static ir_type *create_bitfield_type(bitfield_type_t *const type)
 
 #define INVALID_TYPE ((ir_type_ptr)-1)
 
-static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
-                                  size_t *outer_offset, size_t *outer_align);
+enum {
+       COMPOUND_IS_STRUCT = false,
+       COMPOUND_IS_UNION  = true
+};
 
-static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype,
-                                   size_t *outer_offset, size_t *outer_align)
+/**
+ * Construct firm type from ast struct tyep.
+ *
+ * As anonymous inner structs get flattened to a single firm type, we might get
+ * irtype, outer_offset and out_align passed (they represent the position of
+ * the anonymous inner struct inside the resulting firm struct)
+ */
+static ir_type *create_compound_type(compound_type_t *type, ir_type *irtype,
+                                     size_t *outer_offset, size_t *outer_align,
+                                     bool incomplete, bool is_union)
 {
-       declaration_t *declaration = type->declaration;
-       if(declaration->v.irtype != NULL) {
+       declaration_t      *declaration = type->declaration;
+       declaration_kind_t  kind        = declaration->declaration_kind;
+
+       if(kind == DECLARATION_KIND_COMPOUND_TYPE_COMPLETE
+                       || (kind == DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE
+                               && incomplete))
                return declaration->v.irtype;
-       }
 
        size_t align_all  = 1;
        size_t offset     = 0;
        size_t bit_offset = 0;
+       size_t size       = 0;
+
        if(irtype == NULL) {
                symbol_t *symbol = declaration->symbol;
                ident    *id;
                if(symbol != NULL) {
-                       id = unique_ident(symbol->string);
+                       id = new_id_from_str(symbol->string);
                } else {
-                       id = unique_ident("__anonymous_struct");
+                       if (is_union) {
+                               id = id_unique("__anonymous_union.%u");
+                       } else {
+                               id = id_unique("__anonymous_struct.%u");
+                       }
                }
                dbg_info *dbgi  = get_dbg_info(&type->base.source_position);
 
-               irtype = new_d_type_struct(id, dbgi);
+               if (is_union) {
+                       irtype = new_d_type_union(id, dbgi);
+               } else {
+                       irtype = new_d_type_struct(id, dbgi);
+               }
 
-               declaration->v.irtype = irtype;
-               type->base.firm_type  = irtype;
+               declaration->declaration_kind
+                       = DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE;
+               declaration->v.irtype         = irtype;
+               //type->base.firm_type          = irtype;
        } else {
                offset    = *outer_offset;
                align_all = *outer_align;
        }
 
+       if(incomplete)
+               return irtype;
+
+       declaration->declaration_kind = DECLARATION_KIND_COMPOUND_TYPE_COMPLETE;
+
        declaration_t *entry = declaration->scope.declarations;
        for( ; entry != NULL; entry = entry->next) {
                if(entry->namespc != NAMESPACE_NORMAL)
                        continue;
 
+               size_t prev_offset = offset;
+
                symbol_t *symbol     = entry->symbol;
                type_t   *entry_type = skip_typeref(entry->type);
                dbg_info *dbgi       = get_dbg_info(&entry->source_position);
+
                ident    *ident;
                if(symbol != NULL) {
                        ident = new_id_from_str(symbol->string);
                } else {
                        if(entry_type->kind == TYPE_COMPOUND_STRUCT) {
-                               create_struct_type(&entry_type->compound, irtype, &offset,
-                                                  &align_all);
-                               continue;
+                               create_compound_type(&entry_type->compound, irtype, &offset,
+                                                    &align_all, false, COMPOUND_IS_STRUCT);
+                               goto finished_member;
                        } else if(entry_type->kind == TYPE_COMPOUND_UNION) {
-                               create_union_type(&entry_type->compound, irtype, &offset,
-                                                 &align_all);
-                               continue;
+                               create_compound_type(&entry_type->compound, irtype, &offset,
+                                                    &align_all, false, COMPOUND_IS_UNION);
+                               goto finished_member;
                        } else {
                                assert(entry_type->kind == TYPE_BITFIELD);
                        }
-                       ident = unique_ident("anon");
+                       ident = id_unique("anon.%u");
                }
 
                ir_type *base_irtype;
@@ -584,122 +641,35 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype,
                entry->declaration_kind = DECLARATION_KIND_COMPOUND_MEMBER;
                assert(entry->v.entity == NULL);
                entry->v.entity         = entity;
-       }
-
-       size_t misalign = offset % align_all;
-       if(misalign > 0 || bit_offset > 0) {
-               offset += align_all - misalign;
-       }
-
-       if(outer_offset != NULL) {
-               *outer_offset = offset;
-               *outer_align  = align_all;
-       } else {
-               set_type_alignment_bytes(irtype, align_all);
-               set_type_size_bytes(irtype, offset);
-               set_type_state(irtype, layout_fixed);
-       }
-
-       return irtype;
-}
-
-static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
-                                  size_t *outer_offset, size_t *outer_align)
-{
-       declaration_t *declaration = type->declaration;
-       if(declaration->v.irtype != NULL) {
-               return declaration->v.irtype;
-       }
-
-       size_t align_all = 1;
-       size_t offset    = 0;
-       size_t size      = 0;
-
-       if(irtype == NULL) {
-               symbol_t      *symbol      = declaration->symbol;
-               ident         *id;
-               if(symbol != NULL) {
-                       id = unique_ident(symbol->string);
-               } else {
-                       id = unique_ident("__anonymous_union");
-               }
-               dbg_info *dbgi = get_dbg_info(&type->base.source_position);
-
-               irtype = new_d_type_union(id, dbgi);
-
-               declaration->v.irtype = irtype;
-               type->base.firm_type  = irtype;
-       } else {
-               offset    = *outer_offset;
-               align_all = *outer_align;
-       }
-
-       type->base.firm_type = irtype;
 
-       declaration_t *entry = declaration->scope.declarations;
-       for( ; entry != NULL; entry = entry->next) {
-               if(entry->namespc != NAMESPACE_NORMAL)
-                       continue;
-
-               symbol_t *symbol        = entry->symbol;
-               type_t   *entry_type    = skip_typeref(entry->type);
-               ir_type  *entry_ir_type = get_ir_type(entry_type);
-
-               ident *ident;
-               if(symbol != NULL) {
-                       ident = new_id_from_str(entry->symbol->string);
-               } else {
-                       size_t offs = offset;
-                       if(entry_type->kind == TYPE_COMPOUND_STRUCT) {
-                               create_struct_type(&entry_type->compound, irtype, &offs,
-                                                  &align_all);
-                               continue;
-                       } else if(entry_type->kind == TYPE_COMPOUND_UNION) {
-                               create_union_type(&entry_type->compound, irtype, &offs,
-                                                 &align_all);
-                               continue;
-                       } else {
-                               panic("anonymous union member must be struct or union");
-                       }
-                       size_t entry_size = offs - offset;
-                       if(entry_size > size) {
+finished_member:
+               if (is_union) {
+                       size_t entry_size = offset - prev_offset;
+                       if (entry_size > size) {
                                size = entry_size;
                        }
-                       ident = unique_ident("anon");
+                       offset     = 0;
+                       bit_offset = 0;
                }
+       }
 
-               size_t entry_size      = get_type_size_bytes(entry_ir_type);
-               size_t entry_alignment = get_type_alignment_bytes(entry_ir_type);
-
-               dbg_info  *const dbgi   = get_dbg_info(&entry->source_position);
-               ir_entity *const entity = new_d_entity(irtype, ident, entry_ir_type,
-                                                      dbgi);
-               //add_union_member(irtype, entity);
-               set_entity_offset(entity, 0);
-               entry->declaration_kind = DECLARATION_KIND_COMPOUND_MEMBER;
-               assert(entry->v.entity == NULL);
-               entry->v.entity         = entity;
+       if (!is_union) {
+               size = offset;
+       }
 
-               if(entry_size > size) {
-                       size = entry_size;
-               }
-               if(entry_alignment > align_all) {
-                       if(entry_alignment % align_all != 0) {
-                               panic("Uneven alignments not supported yet");
-                       }
-                       align_all = entry_alignment;
-               }
+       size_t misalign = offset % align_all;
+       if(misalign > 0 || bit_offset > 0) {
+               size += align_all - misalign;
        }
 
        if(outer_offset != NULL) {
-               assert(*outer_offset == offset);
-
-               size_t misalign = offset % align_all;
-               if (misalign != 0)
-                       size += align_all - misalign;
-               *outer_offset += size;
+               if (!is_union) {
+                       *outer_offset = offset;
+               } else {
+                       *outer_offset += size;
+               }
 
-               if(align_all > *outer_align) {
+               if (align_all > *outer_align) {
                        if(align_all % *outer_align != 0) {
                                panic("uneven alignments not supported yet");
                        }
@@ -709,7 +679,6 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
                set_type_alignment_bytes(irtype, align_all);
                set_type_size_bytes(irtype, size);
                set_type_state(irtype, layout_fixed);
-               declaration->v.irtype = irtype;
        }
 
        return irtype;
@@ -745,24 +714,53 @@ static ir_type *create_enum_type(enum_type_t *const type)
        return ir_type_int;
 }
 
+static ir_type *get_ir_type_incomplete(type_t *type)
+{
+       assert(type != NULL);
+       type = skip_typeref(type);
+
+       if (type->base.firm_type != NULL) {
+               assert(type->base.firm_type != INVALID_TYPE);
+               return type->base.firm_type;
+       }
+
+       switch (type->kind) {
+       case TYPE_COMPOUND_STRUCT:
+               return create_compound_type(&type->compound, NULL, NULL, NULL,
+                                           true, COMPOUND_IS_STRUCT);
+               break;
+       case TYPE_COMPOUND_UNION:
+               return create_compound_type(&type->compound, NULL, NULL, NULL,
+                                           true, COMPOUND_IS_UNION);
+       default:
+               return get_ir_type(type);
+       }
+}
+
 static ir_type *get_ir_type(type_t *type)
 {
        assert(type != NULL);
 
        type = skip_typeref(type);
 
-       if(type->base.firm_type != NULL) {
+       if (type->base.firm_type != NULL) {
                assert(type->base.firm_type != INVALID_TYPE);
                return type->base.firm_type;
        }
 
        ir_type *firm_type = NULL;
-       switch(type->kind) {
+       switch (type->kind) {
        case TYPE_ERROR:
-               panic("error type occured");
+               panic("error type occurred");
        case TYPE_ATOMIC:
                firm_type = create_atomic_type(&type->atomic);
                break;
+       case TYPE_COMPLEX:
+               firm_type = create_complex_type(&type->complex);
+               break;
+       case TYPE_IMAGINARY:
+               firm_type = create_imaginary_type(&type->imaginary);
+               break;
        case TYPE_FUNCTION:
                firm_type = create_method_type(&type->function);
                break;
@@ -773,10 +771,12 @@ static ir_type *get_ir_type(type_t *type)
                firm_type = create_array_type(&type->array);
                break;
        case TYPE_COMPOUND_STRUCT:
-               firm_type = create_struct_type(&type->compound, NULL, NULL, NULL);
+               firm_type = create_compound_type(&type->compound, NULL, NULL, NULL,
+                                                false, COMPOUND_IS_STRUCT);
                break;
        case TYPE_COMPOUND_UNION:
-               firm_type = create_union_type(&type->compound, NULL, NULL, NULL);
+               firm_type = create_compound_type(&type->compound, NULL, NULL, NULL,
+                                                false, COMPOUND_IS_UNION);
                break;
        case TYPE_ENUM:
                firm_type = create_enum_type(&type->enumt);
@@ -897,6 +897,61 @@ static const struct {
        { rts_strncmp,    1, "strncmp",      3, _C89 }
 };
 
+/**
+ * Mangles an entity linker (ld) name for win32 usage.
+ *
+ * @param ent          the entity to be mangled
+ * @param declaration  the declaration
+ */
+static ident *create_ld_ident_win32(ir_entity *ent, declaration_t *declaration)
+{
+       ident *id;
+
+       if (is_Method_type(get_entity_type(ent)))
+               id = decorate_win32_c_fkt(ent, get_entity_ident(ent));
+       else {
+               /* always add an underscore in win32 */
+               id = mangle(id_underscore, get_entity_ident(ent));
+       }
+
+       decl_modifiers_t decl_modifiers = declaration->decl_modifiers;
+       if (decl_modifiers & DM_DLLIMPORT) {
+               /* add prefix for imported symbols */
+               id = mangle(id_imp, id);
+       }
+       return id;
+}
+
+/**
+ * Mangles an entity linker (ld) name for Linux ELF usage.
+ *
+ * @param ent          the entity to be mangled
+ * @param declaration  the declaration
+ */
+static ident *create_ld_ident_linux_elf(ir_entity *entity,
+                                        declaration_t *declaration)
+{
+       (void) declaration;
+       return get_entity_ident(entity);
+}
+
+/**
+ * Mangles an entity linker (ld) name for Mach-O usage.
+ *
+ * @param ent          the entity to be mangled
+ * @param declaration  the declaration
+ */
+static ident *create_ld_ident_macho(ir_entity *ent, declaration_t *declaration)
+{
+       (void) declaration;
+       ident *id = mangle(id_underscore, get_entity_ident(ent));
+       return id;
+}
+
+typedef ident* (*create_ld_ident_func)(ir_entity *entity,
+                                       declaration_t *declaration);
+create_ld_ident_func  create_ld_ident = create_ld_ident_linux_elf;
+
 static ir_entity* get_function_entity(declaration_t *declaration)
 {
        if(declaration->declaration_kind == DECLARATION_KIND_FUNCTION)
@@ -912,7 +967,7 @@ static ir_entity* get_function_entity(declaration_t *declaration)
 
        dbg_info  *const dbgi   = get_dbg_info(&declaration->source_position);
        ir_entity *const entity = new_d_entity(global_type, id, ir_type_method, dbgi);
-       set_entity_ld_ident(entity, id);
+       set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
        if(declaration->storage_class == STORAGE_CLASS_STATIC
                        || declaration->is_inline) {
                set_entity_visibility(entity, visibility_local);
@@ -1007,7 +1062,7 @@ static ir_node *wide_character_constant_to_firm(const const_expression_t *cnst)
 }
 
 static ir_node *create_symconst(dbg_info *dbgi, ir_mode *mode,
-                                ir_entity *entity)
+                              ir_entity *entity)
 {
        assert(entity != NULL);
        union symconst_symbol sym;
@@ -1021,10 +1076,10 @@ static ir_node *string_to_firm(const source_position_t *const src_pos,
 {
        ir_type  *const global_type = get_glob_type();
        dbg_info *const dbgi        = get_dbg_info(src_pos);
-       ir_type  *const type        = new_d_type_array(unique_ident("strtype"), 1,
+       ir_type  *const type        = new_d_type_array(id_unique("strtype.%u"), 1,
                                                       ir_type_const_char, dbgi);
 
-       ident     *const id     = unique_ident(id_prefix);
+       ident     *const id     = id_unique(id_prefix);
        ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
        set_entity_ld_ident(entity, id);
        set_entity_variability(entity, variability_constant);
@@ -1055,7 +1110,7 @@ static ir_node *string_to_firm(const source_position_t *const src_pos,
 static ir_node *string_literal_to_firm(
                const string_literal_expression_t* literal)
 {
-       return string_to_firm(&literal->base.source_position, "Lstr",
+       return string_to_firm(&literal->base.source_position, "Lstr.%u",
                              &literal->value);
 }
 
@@ -1065,10 +1120,10 @@ static ir_node *wide_string_literal_to_firm(
        ir_type *const global_type = get_glob_type();
        ir_type *const elem_type   = ir_type_wchar_t;
        dbg_info *const dbgi       = get_dbg_info(&literal->base.source_position);
-       ir_type *const type        = new_d_type_array(unique_ident("strtype"), 1,
+       ir_type *const type        = new_d_type_array(id_unique("strtype.%u"), 1,
                                                    elem_type, dbgi);
 
-       ident     *const id     = unique_ident("Lstr");
+       ident     *const id     = id_unique("Lstr.%u");
        ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
        set_entity_ld_ident(entity, id);
        set_entity_variability(entity, variability_constant);
@@ -1215,6 +1270,8 @@ static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
        case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
                return declaration->v.vla_base;
 
+       case DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE:
+       case DECLARATION_KIND_COMPOUND_TYPE_COMPLETE:
        case DECLARATION_KIND_COMPOUND_MEMBER:
        case DECLARATION_KIND_LABEL_BLOCK:
                panic("not implemented reference type");
@@ -1256,6 +1313,8 @@ static ir_node *reference_addr(const reference_expression_t *ref)
        case DECLARATION_KIND_ENUM_ENTRY:
                panic("trying to reference enum entry");
 
+       case DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE:
+       case DECLARATION_KIND_COMPOUND_TYPE_COMPLETE:
        case DECLARATION_KIND_COMPOUND_MEMBER:
        case DECLARATION_KIND_LABEL_BLOCK:
                panic("not implemented reference type");
@@ -1343,12 +1402,14 @@ static ir_node *call_expression_to_firm(const call_expression_t *call)
                 * arguments... */
                int n_res       = get_method_n_ress(ir_method_type);
                dbg_info *dbgi  = get_dbg_info(&call->base.source_position);
-               new_method_type = new_d_type_method(unique_ident("calltype"),
+               new_method_type = new_d_type_method(id_unique("calltype.%u"),
                                                  n_parameters, n_res, dbgi);
                set_method_calling_convention(new_method_type,
                               get_method_calling_convention(ir_method_type));
                set_method_additional_properties(new_method_type,
                               get_method_additional_properties(ir_method_type));
+               set_method_variadicity(new_method_type,
+                                      get_method_variadicity(ir_method_type));
 
                for(int i = 0; i < n_res; ++i) {
                        set_method_res_type(new_method_type, i,
@@ -2289,7 +2350,7 @@ static ir_node *compound_literal_to_firm(
        /* create an entity on the stack */
        ir_type *frame_type = get_irg_frame_type(current_ir_graph);
 
-       ident     *const id     = unique_ident("CompLit");
+       ident     *const id     = id_unique("CompLit.%u");
        ir_type   *const irtype = get_ir_type(type);
        dbg_info  *const dbgi   = get_dbg_info(&expression->base.source_position);
        ir_entity *const entity = new_d_entity(frame_type, id, irtype, dbgi);
@@ -2437,6 +2498,13 @@ static ir_node *select_addr(const select_expression_t *expression)
 
        ir_node *compound_addr = expression_to_firm(expression->compound);
 
+       /* make sure the type is constructed */
+       type_t *type = skip_typeref(expression->compound->base.type);
+       if (is_type_pointer(type)) {
+               type = type->pointer.points_to;
+       }
+       (void) get_ir_type(type);
+
        declaration_t *entry = expression->compound_entry;
        assert(entry->declaration_kind == DECLARATION_KIND_COMPOUND_MEMBER);
        ir_entity     *entity = entry->v.entity;
@@ -2493,7 +2561,7 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
        {
                case TYPE_ATOMIC: {
                        const atomic_type_t *const atomic_type = &type->atomic;
-                       switch ((atomic_type_kind_t) atomic_type->akind) {
+                       switch (atomic_type->akind) {
                                /* should not be reached */
                                case ATOMIC_TYPE_INVALID:
                                        tc = no_type_class;
@@ -2524,21 +2592,12 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
                                case ATOMIC_TYPE_LONG_DOUBLE:
                                        tc = real_type_class;
                                        goto make_const;
-
-                               case ATOMIC_TYPE_FLOAT_COMPLEX:
-                               case ATOMIC_TYPE_DOUBLE_COMPLEX:
-                               case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
-                                       tc = complex_type_class;
-                                       goto make_const;
-                               case ATOMIC_TYPE_FLOAT_IMAGINARY:
-                               case ATOMIC_TYPE_DOUBLE_IMAGINARY:
-                               case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
-                                       tc = complex_type_class;
-                                       goto make_const;
                        }
                        panic("Unexpected atomic type in classify_type_to_firm().");
                }
 
+               case TYPE_COMPLEX:         tc = complex_type_class; goto make_const;
+               case TYPE_IMAGINARY:       tc = complex_type_class; goto make_const;
                case TYPE_BITFIELD:        tc = integer_type_class; goto make_const;
                case TYPE_ARRAY:           /* gcc handles this as pointer */
                case TYPE_FUNCTION:        /* gcc handles this as pointer */
@@ -2577,7 +2636,7 @@ static ir_node *function_name_to_firm(
                        const source_position_t *const src_pos = &expr->base.source_position;
                        const char *const name = current_function_decl->symbol->string;
                        const string_t string = { name, strlen(name) + 1 };
-                       current_function_name = string_to_firm(src_pos, "__func__", &string);
+                       current_function_name = string_to_firm(src_pos, "__func__.%u", &string);
                }
                return current_function_name;
        case FUNCNAME_FUNCSIG:
@@ -2586,7 +2645,7 @@ static ir_node *function_name_to_firm(
                        ir_entity *ent = get_irg_entity(current_ir_graph);
                        const char *const name = get_entity_ld_name(ent);
                        const string_t string = { name, strlen(name) + 1 };
-                       current_funcsig = string_to_firm(src_pos, "__FUNCSIG__", &string);
+                       current_funcsig = string_to_firm(src_pos, "__FUNCSIG__.%u", &string);
                }
                return current_funcsig;
        }
@@ -2855,11 +2914,11 @@ static void create_declaration_entity(declaration_t *declaration,
        ir_type   *const irtype = get_ir_type(type);
        dbg_info  *const dbgi   = get_dbg_info(&declaration->source_position);
        ir_entity *const entity = new_d_entity(parent_type, id, irtype, dbgi);
-       set_entity_ld_ident(entity, id);
 
        declaration->declaration_kind = (unsigned char) declaration_kind;
        declaration->v.entity         = entity;
        set_entity_variability(entity, variability_uninitialized);
+       set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
        if(parent_type == get_tls_type())
                set_entity_allocation(entity, allocation_automatic);
        else if(declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE)
@@ -3118,6 +3177,9 @@ static ir_initializer_t *create_ir_initializer(
 static ir_initializer_t *create_ir_initializer_value(
                const initializer_value_t *initializer)
 {
+       if (is_type_compound(initializer->value->base.type)) {
+               panic("initializer creation for compounds not implemented yet");
+       }
        ir_node *value = expression_to_firm(initializer->value);
        return create_initializer_const(value);
 }
@@ -3191,7 +3253,7 @@ static ir_initializer_t *create_ir_initializer_string(
                if(i < string_len)
                        c = string[i];
 
-               tarval           *tv = new_tarval_from_long(string[i], mode);
+               tarval           *tv = new_tarval_from_long(c, mode);
                ir_initializer_t *char_initializer = create_initializer_tarval(tv);
 
                set_initializer_compound_value(irinitializer, i, char_initializer);
@@ -3216,7 +3278,7 @@ static ir_initializer_t *create_ir_initializer_wide_string(
                if(i < string_len) {
                        c = string[i];
                }
-               tarval *tv = new_tarval_from_long(string[i], mode);
+               tarval *tv = new_tarval_from_long(c, mode);
                ir_initializer_t *char_initializer = create_initializer_tarval(tv);
 
                set_initializer_compound_value(irinitializer, i, char_initializer);
@@ -3249,27 +3311,9 @@ static ir_initializer_t *create_ir_initializer(
 }
 
 static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi,
-                                            ir_node *base_addr)
-{
-       ir_mode *mode = get_type_mode(type);
-       tarval  *zero = get_mode_null(mode);
-       ir_node *cnst = new_d_Const(dbgi, mode, zero);
-
-       /* TODO: bitfields */
-       ir_node *mem    = get_store();
-       ir_node *store  = new_d_Store(dbgi, mem, base_addr, cnst);
-       ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
-       set_store(proj_m);
-}
-
-static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
-               ir_type *type, dbg_info *dbgi, ir_node *base_addr)
+               ir_node *base_addr)
 {
-       switch(get_initializer_kind(initializer)) {
-       case IR_INITIALIZER_NULL: {
-               /* TODO: implement this for compound types... */
-               assert(type != NULL);
-
+       if (is_atomic_type(type)) {
                ir_mode *mode = get_type_mode(type);
                tarval  *zero = get_mode_null(mode);
                ir_node *cnst = new_d_Const(dbgi, mode, zero);
@@ -3279,6 +3323,45 @@ static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
                ir_node *store  = new_d_Store(dbgi, mem, base_addr, cnst);
                ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
                set_store(proj_m);
+       } else {
+               assert(is_compound_type(type));
+
+               int n_members;
+               if(is_Array_type(type)) {
+                       assert(has_array_upper_bound(type, 0));
+                       n_members = get_array_upper_bound_int(type, 0);
+               } else {
+                       n_members = get_compound_n_members(type);
+               }
+
+               for(int i = 0; i < n_members; ++i) {
+                       ir_node *addr;
+                       ir_type *irtype;
+                       if(is_Array_type(type)) {
+                               ir_entity *entity   = get_array_element_entity(type);
+                               tarval    *index_tv = new_tarval_from_long(i, mode_uint);
+                               ir_node   *cnst     = new_d_Const(dbgi, mode_uint, index_tv);
+                               ir_node   *in[1]    = { cnst };
+                               irtype = get_array_element_type(type);
+                               addr   = new_d_Sel(dbgi, new_NoMem(), base_addr, 1, in, entity);
+                       } else {
+                               ir_entity *member = get_compound_member(type, i);
+
+                               irtype = get_entity_type(member);
+                               addr   = new_d_simpleSel(dbgi, new_NoMem(), base_addr, member);
+                       }
+
+                       create_dynamic_null_initializer(irtype, dbgi, addr);
+               }
+       }
+}
+
+static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
+               ir_type *type, dbg_info *dbgi, ir_node *base_addr)
+{
+       switch(get_initializer_kind(initializer)) {
+       case IR_INITIALIZER_NULL: {
+               create_dynamic_null_initializer(type, dbgi, base_addr);
                return;
        }
        case IR_INITIALIZER_CONST: {
@@ -3394,7 +3477,7 @@ static void create_local_initializer(initializer_t *initializer, dbg_info *dbgi,
        current_ir_graph = old_current_ir_graph;
 
        /* create a "template" entity which is copied to the entity on the stack */
-       ident     *const id          = unique_ident("initializer");
+       ident     *const id          = id_unique("initializer.%u");
        ir_type   *const irtype      = get_ir_type(type);
        ir_type   *const global_type = get_glob_type();
        ir_entity *const init_entity = new_d_entity(global_type, id, irtype, dbgi);
@@ -3530,11 +3613,10 @@ static void create_local_static_variable(declaration_t *declaration)
 
        type_t    *const type        = skip_typeref(declaration->type);
        ir_type   *const global_type = get_glob_type();
-       ident     *const id          = unique_ident(declaration->symbol->string);
+       ident     *const id          = new_id_from_str(declaration->symbol->string);
        ir_type   *const irtype      = get_ir_type(type);
        dbg_info  *const dbgi        = get_dbg_info(&declaration->source_position);
        ir_entity *const entity      = new_d_entity(global_type, id, irtype, dbgi);
-       set_entity_ld_ident(entity, id);
 
        if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
                set_entity_volatility(entity, volatility_is_volatile);
@@ -3542,6 +3624,7 @@ static void create_local_static_variable(declaration_t *declaration)
 
        declaration->declaration_kind = DECLARATION_KIND_GLOBAL_VARIABLE;
        declaration->v.entity         = entity;
+       set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
        set_entity_variability(entity, variability_uninitialized);
        set_entity_visibility(entity, visibility_local);
        set_entity_allocation(entity, allocation_static);
@@ -4620,12 +4703,17 @@ static void create_function(declaration_t *declaration)
 
        int       n_local_vars = get_function_n_local_vars(declaration);
        ir_graph *irg          = new_ir_graph(function_entity, n_local_vars);
-       ir_node  *first_block  = get_cur_block();
+
+       set_irg_fp_model(irg, firm_opt.fp_model);
+       tarval_enable_fp_ops((firm_opt.fp_model & fp_strict_algebraic) == 0);
+       set_irn_dbg_info(get_irg_start_block(irg), get_entity_dbg_info(function_entity));
+
+       ir_node *first_block = get_cur_block();
 
        /* set inline flags */
        if (declaration->is_inline)
-       set_irg_inline_property(irg, irg_inline_recomended);
-    handle_decl_modifier_irg(irg, declaration->modifiers);
+               set_irg_inline_property(irg, irg_inline_recomended);
+       handle_decl_modifier_irg(irg, declaration->decl_modifiers);
 
        next_value_number_function = 0;
        initialize_function_parameters(declaration);
@@ -4754,6 +4842,27 @@ void init_ast2firm(void)
        obstack_init(&asm_obst);
        init_atomic_modes();
 
+       id_underscore = new_id_from_chars("_", 1);
+       id_imp        = new_id_from_chars("__imp_", 6);
+
+       /* OS option must be set to the backend */
+       const char *s = "ia32-gasmode=linux";
+       switch (firm_opt.os_support) {
+       case OS_SUPPORT_WIN32:
+               create_ld_ident = create_ld_ident_win32;
+               s = "ia32-gasmode=mingw";
+               break;
+       case OS_SUPPORT_LINUX:
+               create_ld_ident = create_ld_ident_linux_elf;
+               s = "ia32-gasmode=linux"; break;
+               break;
+       case OS_SUPPORT_MACHO:
+               create_ld_ident = create_ld_ident_macho;
+               s = "ia32-gasmode=macho"; break;
+               break;
+       }
+       firm_be_option(s);
+
        /* create idents for all known runtime functions */
        for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) {
                predef_idents[rts_data[i].id] = new_id_from_str(rts_data[i].name);