2 * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Write textual representation of firm to file.
23 * @author Moritz Kroll, Matthias Braun
36 #include "irgraph_t.h"
51 #define SYMERROR ((unsigned) ~0)
53 static void register_generated_node_readers(void);
54 static void register_generated_node_writers(void);
56 typedef struct delayed_initializer_t {
57 ir_initializer_t *initializer;
59 } delayed_initializer_t;
61 typedef struct delayed_pred_t {
67 typedef struct read_env_t {
68 int c; /**< currently read char */
70 const char *inputname;
74 set *idset; /**< id_entry set, which maps from file ids to
79 struct obstack preds_obst;
80 delayed_initializer_t *delayed_initializers;
81 const delayed_pred_t **delayed_preds;
84 typedef struct write_env_t {
89 typedef enum typetag_t {
92 tt_cond_jmp_predicate,
107 typedef enum keyword_t {
127 typedef struct symbol_t {
128 const char *str; /**< The name of this symbol. */
129 typetag_t typetag; /**< The type tag of this symbol. */
130 unsigned code; /**< The value of this symbol. */
133 typedef struct id_entry {
138 /** The symbol table, a set of symbol_t elements. */
142 * Compare two symbol table entries.
144 static int symbol_cmp(const void *elt, const void *key, size_t size)
147 const symbol_t *entry = (const symbol_t *) elt;
148 const symbol_t *keyentry = (const symbol_t *) key;
150 res = entry->typetag - keyentry->typetag;
152 return strcmp(entry->str, keyentry->str);
155 static int id_cmp(const void *elt, const void *key, size_t size)
157 const id_entry *entry = (const id_entry *) elt;
158 const id_entry *keyentry = (const id_entry *) key;
160 return entry->id - keyentry->id;
163 static void __attribute__((format(printf, 2, 3)))
164 parse_error(read_env_t *env, const char *fmt, ...)
167 unsigned line = env->line;
169 /* workaround read_c "feature" that a '\n' triggers the line++
170 * instead of the character after the '\n' */
171 if (env->c == '\n') {
175 fprintf(stderr, "%s:%u: error ", env->inputname, line);
176 env->read_errors = true;
178 /* let's hope firm doesn't die on further errors */
179 do_node_verification(FIRM_VERIFICATION_OFF);
182 vfprintf(stderr, fmt, ap);
186 /** Initializes the symbol table. May be called more than once without problems. */
187 static void symtbl_init(void)
191 /* Only initialize once */
195 symtbl = new_set(symbol_cmp, 256);
197 #define INSERT(tt, s, cod) \
199 key.typetag = (tt); \
201 (void)set_insert(symbol_t, symtbl, &key, sizeof(key), hash_str(s) + tt * 17)
203 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
204 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
206 INSERT(tt_tpo, "array", tpo_array);
207 INSERT(tt_tpo, "class", tpo_class);
208 INSERT(tt_tpo, "method", tpo_method);
209 INSERT(tt_tpo, "pointer", tpo_pointer);
210 INSERT(tt_tpo, "primitive", tpo_primitive);
211 INSERT(tt_tpo, "struct", tpo_struct);
212 INSERT(tt_tpo, "union", tpo_union);
213 INSERT(tt_tpo, "Unknown", tpo_unknown);
215 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
216 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
217 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
218 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
220 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
221 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
222 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
223 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
224 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
226 INSERT(tt_visibility, "local", ir_visibility_local);
227 INSERT(tt_visibility, "external", ir_visibility_external);
228 INSERT(tt_visibility, "private", ir_visibility_private);
230 INSERT(tt_throws, "throw", true);
231 INSERT(tt_throws, "nothrow", false);
234 INSERTKEYWORD(compound_member);
235 INSERTKEYWORD(constirg);
236 INSERTKEYWORD(entity);
237 INSERTKEYWORD(float_mode);
238 INSERTKEYWORD(int_mode);
240 INSERTKEYWORD(label);
241 INSERTKEYWORD(method);
242 INSERTKEYWORD(modes);
243 INSERTKEYWORD(parameter);
244 INSERTKEYWORD(program);
245 INSERTKEYWORD(reference_mode);
246 INSERTKEYWORD(segment_type);
248 INSERTKEYWORD(typegraph);
249 INSERTKEYWORD(unknown);
251 INSERTENUM(tt_align, align_non_aligned);
252 INSERTENUM(tt_align, align_is_aligned);
254 INSERTENUM(tt_builtin_kind, ir_bk_trap);
255 INSERTENUM(tt_builtin_kind, ir_bk_debugbreak);
256 INSERTENUM(tt_builtin_kind, ir_bk_return_address);
257 INSERTENUM(tt_builtin_kind, ir_bk_frame_address);
258 INSERTENUM(tt_builtin_kind, ir_bk_prefetch);
259 INSERTENUM(tt_builtin_kind, ir_bk_ffs);
260 INSERTENUM(tt_builtin_kind, ir_bk_clz);
261 INSERTENUM(tt_builtin_kind, ir_bk_ctz);
262 INSERTENUM(tt_builtin_kind, ir_bk_popcount);
263 INSERTENUM(tt_builtin_kind, ir_bk_parity);
264 INSERTENUM(tt_builtin_kind, ir_bk_bswap);
265 INSERTENUM(tt_builtin_kind, ir_bk_inport);
266 INSERTENUM(tt_builtin_kind, ir_bk_outport);
267 INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
269 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
270 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
271 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
273 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
274 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
275 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
276 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
278 INSERT(tt_mode_arithmetic, "none", irma_none);
279 INSERT(tt_mode_arithmetic, "twos_complement", irma_twos_complement);
280 INSERT(tt_mode_arithmetic, "ieee754", irma_ieee754);
281 INSERT(tt_mode_arithmetic, "x86_extended_float", irma_x86_extended_float);
283 INSERTENUM(tt_pin_state, op_pin_state_floats);
284 INSERTENUM(tt_pin_state, op_pin_state_pinned);
285 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
286 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
288 INSERTENUM(tt_type_state, layout_undefined);
289 INSERTENUM(tt_type_state, layout_fixed);
291 INSERTENUM(tt_volatility, volatility_non_volatile);
292 INSERTENUM(tt_volatility, volatility_is_volatile);
294 INSERTENUM(tt_where_alloc, stack_alloc);
295 INSERTENUM(tt_where_alloc, heap_alloc);
302 static const char *get_segment_name(ir_segment_t segment)
305 case IR_SEGMENT_GLOBAL: return "global";
306 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
307 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
308 case IR_SEGMENT_DESTRUCTORS: return "destructors";
310 panic("INVALID_SEGMENT");
313 static const char *get_visibility_name(ir_visibility visibility)
315 switch (visibility) {
316 case ir_visibility_local: return "local";
317 case ir_visibility_external: return "external";
318 case ir_visibility_private: return "private";
320 panic("INVALID_VISIBILITY");
323 static const char *get_mode_arithmetic_name(ir_mode_arithmetic arithmetic)
325 switch (arithmetic) {
326 case irma_none: return "none";
327 case irma_twos_complement: return "twos_complement";
328 case irma_ieee754: return "ieee754";
329 case irma_x86_extended_float: return "x86_extended_float";
331 panic("invalid mode_arithmetic");
334 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
335 static unsigned symbol(const char *str, typetag_t typetag)
337 symbol_t key, *entry;
340 key.typetag = typetag;
342 entry = set_find(symbol_t, symtbl, &key, sizeof(key), hash_str(str) + typetag * 17);
343 return entry ? entry->code : SYMERROR;
346 static void write_long(write_env_t *env, long value)
348 fprintf(env->file, "%ld ", value);
351 static void write_int(write_env_t *env, int value)
353 fprintf(env->file, "%d ", value);
356 static void write_unsigned(write_env_t *env, unsigned value)
358 fprintf(env->file, "%u ", value);
361 static void write_size_t(write_env_t *env, size_t value)
363 ir_fprintf(env->file, "%zu ", value);
366 static void write_symbol(write_env_t *env, const char *symbol)
368 fputs(symbol, env->file);
369 fputc(' ', env->file);
372 static void write_entity_ref(write_env_t *env, ir_entity *entity)
374 write_long(env, get_entity_nr(entity));
377 static void write_type_ref(write_env_t *env, ir_type *type)
379 switch (get_type_tpop_code(type)) {
381 write_symbol(env, "unknown");
384 write_symbol(env, "none");
387 write_symbol(env, "code");
392 write_long(env, get_type_nr(type));
395 static void write_string(write_env_t *env, const char *string)
398 fputc('"', env->file);
399 for (c = string; *c != '\0'; ++c) {
402 fputc('\\', env->file);
403 fputc('n', env->file);
407 fputc('\\', env->file);
410 fputc(*c, env->file);
414 fputc('"', env->file);
415 fputc(' ', env->file);
418 static void write_ident(write_env_t *env, ident *id)
420 write_string(env, get_id_str(id));
423 static void write_ident_null(write_env_t *env, ident *id)
426 fputs("NULL ", env->file);
428 write_ident(env, id);
432 static void write_mode_ref(write_env_t *env, ir_mode *mode)
434 write_string(env, get_mode_name(mode));
437 static void write_tarval(write_env_t *env, ir_tarval *tv)
439 write_mode_ref(env, get_tarval_mode(tv));
440 if (tv == tarval_bad) {
441 write_symbol(env, "bad");
444 tarval_snprintf(buf, sizeof(buf), tv);
445 fputs(buf, env->file);
446 fputc(' ', env->file);
450 static void write_align(write_env_t *env, ir_align align)
452 fputs(get_align_name(align), env->file);
453 fputc(' ', env->file);
456 static void write_builtin_kind(write_env_t *env, const ir_node *node)
458 fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file);
459 fputc(' ', env->file);
462 static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node)
464 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file);
465 fputc(' ', env->file);
468 static void write_relation(write_env_t *env, ir_relation relation)
470 write_long(env, (long)relation);
473 static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc)
475 switch (where_alloc) {
476 case stack_alloc: write_symbol(env, "stack_alloc"); return;
477 case heap_alloc: write_symbol(env, "heap_alloc"); return;
479 panic("invalid where_alloc value");
482 static void write_throws(write_env_t *env, bool throws)
484 write_symbol(env, throws ? "throw" : "nothrow");
487 static void write_list_begin(write_env_t *env)
489 fputs("[", env->file);
492 static void write_list_end(write_env_t *env)
494 fputs("] ", env->file);
497 static void write_scope_begin(write_env_t *env)
499 fputs("{\n", env->file);
502 static void write_scope_end(write_env_t *env)
504 fputs("}\n\n", env->file);
507 static void write_node_ref(write_env_t *env, const ir_node *node)
509 write_long(env, get_irn_node_nr(node));
512 static void write_initializer(write_env_t *env, ir_initializer_t *ini)
515 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
517 fputs(get_initializer_kind_name(ini_kind), f);
521 case IR_INITIALIZER_CONST:
522 write_node_ref(env, get_initializer_const_value(ini));
525 case IR_INITIALIZER_TARVAL:
526 write_tarval(env, get_initializer_tarval_value(ini));
529 case IR_INITIALIZER_NULL:
532 case IR_INITIALIZER_COMPOUND: {
533 size_t i, n = get_initializer_compound_n_entries(ini);
534 write_size_t(env, n);
535 for (i = 0; i < n; ++i)
536 write_initializer(env, get_initializer_compound_value(ini, i));
540 panic("Unknown initializer kind");
543 static void write_pin_state(write_env_t *env, op_pin_state state)
545 fputs(get_op_pin_state_name(state), env->file);
546 fputc(' ', env->file);
549 static void write_volatility(write_env_t *env, ir_volatility vol)
551 fputs(get_volatility_name(vol), env->file);
552 fputc(' ', env->file);
555 static void write_type_state(write_env_t *env, ir_type_state state)
557 fputs(get_type_state_name(state), env->file);
558 fputc(' ', env->file);
561 static void write_visibility(write_env_t *env, ir_visibility visibility)
563 fputs(get_visibility_name(visibility), env->file);
564 fputc(' ', env->file);
567 static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic)
569 fputs(get_mode_arithmetic_name(arithmetic), env->file);
570 fputc(' ', env->file);
573 static void write_type(write_env_t *env, ir_type *tp);
574 static void write_entity(write_env_t *env, ir_entity *entity);
576 static void write_type_common(write_env_t *env, ir_type *tp)
578 fputc('\t', env->file);
579 write_symbol(env, "type");
580 write_long(env, get_type_nr(tp));
581 write_symbol(env, get_type_tpop_name(tp));
582 write_unsigned(env, get_type_size_bytes(tp));
583 write_unsigned(env, get_type_alignment_bytes(tp));
584 write_type_state(env, get_type_state(tp));
585 write_unsigned(env, tp->flags);
588 static void write_type_primitive(write_env_t *env, ir_type *tp)
590 ir_type *base_type = get_primitive_base_type(tp);
592 if (base_type != NULL)
593 write_type(env, base_type);
595 write_type_common(env, tp);
596 write_mode_ref(env, get_type_mode(tp));
597 if (base_type == NULL)
598 base_type = get_none_type();
599 write_type_ref(env, base_type);
600 fputc('\n', env->file);
603 static void write_type_compound(write_env_t *env, ir_type *tp)
605 size_t n_members = get_compound_n_members(tp);
608 if (is_Class_type(tp)) {
609 if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0 || get_class_vtable_size(tp) > 0) {
610 /* sub/superclass export not implemented yet, it's unclear whether
611 * class types will stay in libfirm anyway */
612 panic("can't export class types yet");
615 write_type_common(env, tp);
616 write_ident_null(env, get_compound_ident(tp));
617 fputc('\n', env->file);
619 for (i = 0; i < n_members; ++i) {
620 ir_entity *member = get_compound_member(tp, i);
621 write_entity(env, member);
625 static void write_type_array(write_env_t *env, ir_type *tp)
627 size_t n_dimensions = get_array_n_dimensions(tp);
628 ir_type *element_type = get_array_element_type(tp);
629 ir_entity *element_entity = get_array_element_entity(tp);
632 write_type(env, element_type);
634 write_type_common(env, tp);
635 write_size_t(env, n_dimensions);
636 write_type_ref(env, get_array_element_type(tp));
637 for (i = 0; i < n_dimensions; i++) {
638 ir_node *lower = get_array_lower_bound(tp, i);
639 ir_node *upper = get_array_upper_bound(tp, i);
642 write_long(env, get_tarval_long(get_Const_tarval(lower)));
644 panic("Lower array bound is not constant");
647 write_long(env, get_tarval_long(get_Const_tarval(upper)));
648 else if (is_Unknown(upper))
649 write_symbol(env, "unknown");
651 panic("Upper array bound is not constant");
653 /* note that we just write a reference to the element entity
654 * but never the entity itself */
655 write_entity_ref(env, element_entity);
656 fputc('\n', env->file);
659 static void write_type_method(write_env_t *env, ir_type *tp)
661 size_t nparams = get_method_n_params(tp);
662 size_t nresults = get_method_n_ress(tp);
665 for (i = 0; i < nparams; i++)
666 write_type(env, get_method_param_type(tp, i));
667 for (i = 0; i < nresults; i++)
668 write_type(env, get_method_res_type(tp, i));
670 write_type_common(env, tp);
671 write_unsigned(env, get_method_calling_convention(tp));
672 write_unsigned(env, get_method_additional_properties(tp));
673 write_size_t(env, nparams);
674 write_size_t(env, nresults);
675 for (i = 0; i < nparams; i++)
676 write_type_ref(env, get_method_param_type(tp, i));
677 for (i = 0; i < nresults; i++)
678 write_type_ref(env, get_method_res_type(tp, i));
679 write_unsigned(env, get_method_variadicity(tp));
680 fputc('\n', env->file);
683 static void write_type_pointer(write_env_t *env, ir_type *tp)
685 ir_type *points_to = get_pointer_points_to_type(tp);
687 write_type(env, points_to);
689 write_type_common(env, tp);
690 write_mode_ref(env, get_type_mode(tp));
691 write_type_ref(env, points_to);
692 fputc('\n', env->file);
695 static void write_type_enumeration(write_env_t *env, ir_type *tp)
697 write_type_common(env, tp);
698 write_ident_null(env, get_enumeration_ident(tp));
699 fputc('\n', env->file);
702 static void write_type(write_env_t *env, ir_type *tp)
704 if (type_visited(tp))
706 mark_type_visited(tp);
708 switch ((tp_opcode)get_type_tpop_code(tp)) {
712 case tpo_uninitialized:
713 /* no need to write special builtin types */
719 write_type_compound(env, tp);
722 case tpo_primitive: write_type_primitive(env, tp); return;
723 case tpo_enumeration: write_type_enumeration(env, tp); return;
724 case tpo_method: write_type_method(env, tp); return;
725 case tpo_pointer: write_type_pointer(env, tp); return;
726 case tpo_array: write_type_array(env, tp); return;
728 panic("can't write invalid type %+F\n", tp);
731 static void write_entity(write_env_t *env, ir_entity *ent)
733 ir_type *type = get_entity_type(ent);
734 ir_type *owner = get_entity_owner(ent);
735 ir_visibility visibility = get_entity_visibility(ent);
736 ir_linkage linkage = get_entity_linkage(ent);
738 if (entity_visited(ent))
740 mark_entity_visited(ent);
742 write_type(env, type);
743 write_type(env, owner);
745 fputc('\t', env->file);
746 switch ((ir_entity_kind)ent->entity_kind) {
747 case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break;
748 case IR_ENTITY_METHOD: write_symbol(env, "method"); break;
749 case IR_ENTITY_LABEL: write_symbol(env, "label"); break;
750 case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break;
751 case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break;
752 case IR_ENTITY_UNKNOWN:
753 write_symbol(env, "unknown");
754 write_long(env, get_entity_nr(ent));
757 write_long(env, get_entity_nr(ent));
759 if (ent->entity_kind != IR_ENTITY_LABEL
760 && ent->entity_kind != IR_ENTITY_PARAMETER) {
761 write_ident_null(env, get_entity_ident(ent));
762 if (!entity_has_ld_ident(ent)) {
763 write_ident_null(env, NULL);
765 write_ident_null(env, get_entity_ld_ident(ent));
769 write_visibility(env, visibility);
770 write_list_begin(env);
771 if (linkage & IR_LINKAGE_CONSTANT)
772 write_symbol(env, "constant");
773 if (linkage & IR_LINKAGE_WEAK)
774 write_symbol(env, "weak");
775 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
776 write_symbol(env, "garbage_collect");
777 if (linkage & IR_LINKAGE_MERGE)
778 write_symbol(env, "merge");
779 if (linkage & IR_LINKAGE_HIDDEN_USER)
780 write_symbol(env, "hidden_user");
783 write_type_ref(env, type);
784 if (ent->entity_kind != IR_ENTITY_LABEL)
785 write_type_ref(env, owner);
786 write_long(env, is_entity_compiler_generated(ent));
787 write_volatility(env, get_entity_volatility(ent));
789 switch ((ir_entity_kind)ent->entity_kind) {
790 case IR_ENTITY_NORMAL:
791 if (ent->initializer != NULL) {
792 write_symbol(env, "initializer");
793 write_initializer(env, get_entity_initializer(ent));
795 write_symbol(env, "none");
798 case IR_ENTITY_COMPOUND_MEMBER:
799 write_long(env, get_entity_offset(ent));
800 write_unsigned(env, get_entity_offset_bits_remainder(ent));
802 case IR_ENTITY_PARAMETER: {
803 size_t num = get_entity_parameter_number(ent);
804 if (num == IR_VA_START_PARAMETER_NUMBER) {
805 write_symbol(env, "va_start");
807 write_size_t(env, num);
811 case IR_ENTITY_UNKNOWN:
812 case IR_ENTITY_LABEL:
813 case IR_ENTITY_METHOD:
817 fputc('\n', env->file);
820 static void write_switch_table(write_env_t *env, const ir_switch_table *table)
822 size_t n_entries = ir_switch_table_get_n_entries(table);
825 write_size_t(env, n_entries);
826 for (i = 0; i < n_entries; ++i) {
827 long pn = ir_switch_table_get_pn(table, i);
828 ir_tarval *min = ir_switch_table_get_min(table, i);
829 ir_tarval *max = ir_switch_table_get_max(table, i);
831 write_tarval(env, min);
832 write_tarval(env, max);
836 static void write_pred_refs(write_env_t *env, const ir_node *node, int from)
838 int arity = get_irn_arity(node);
840 write_list_begin(env);
841 assert(from <= arity);
842 for (i = from; i < arity; ++i) {
843 ir_node *pred = get_irn_n(node, i);
844 write_node_ref(env, pred);
849 static void write_node_nr(write_env_t *env, const ir_node *node)
851 write_long(env, get_irn_node_nr(node));
854 static void write_ASM(write_env_t *env, const ir_node *node)
856 write_symbol(env, "ASM");
857 write_node_nr(env, node);
858 write_node_nr(env, get_nodes_block(node));
859 write_node_nr(env, get_ASM_mem(node));
861 write_ident(env, get_ASM_text(node));
862 write_list_begin(env);
863 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
864 int n_inputs = get_ASM_n_inputs(node);
865 for (int i = 0; i < n_inputs; ++i) {
866 const ir_asm_constraint *constraint = &input_constraints[i];
867 write_unsigned(env, constraint->pos);
868 write_ident(env, constraint->constraint);
869 write_mode_ref(env, constraint->mode);
873 write_list_begin(env);
874 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
875 size_t n_output_constraints = get_ASM_n_output_constraints(node);
876 for (size_t i = 0; i < n_output_constraints; ++i) {
877 const ir_asm_constraint *constraint = &output_constraints[i];
878 write_unsigned(env, constraint->pos);
879 write_ident(env, constraint->constraint);
880 write_mode_ref(env, constraint->mode);
884 write_list_begin(env);
885 ident **clobbers = get_ASM_clobbers(node);
886 size_t n_clobbers = get_ASM_n_clobbers(node);
887 for (size_t i = 0; i < n_clobbers; ++i) {
888 ident *clobber = clobbers[i];
889 write_ident(env, clobber);
893 write_pin_state(env, get_irn_pinned(node));
894 write_pred_refs(env, node, n_ASM_max+1);
897 static void write_Phi(write_env_t *env, const ir_node *node)
899 write_symbol(env, "Phi");
900 write_node_nr(env, node);
901 write_node_ref(env, get_nodes_block(node));
902 write_mode_ref(env, get_irn_mode(node));
903 write_pred_refs(env, node, 0);
906 static void write_Block(write_env_t *env, const ir_node *node)
908 ir_entity *entity = get_Block_entity(node);
910 if (entity != NULL) {
911 write_symbol(env, "BlockL");
912 write_node_nr(env, node);
913 write_entity_ref(env, entity);
915 write_symbol(env, "Block");
916 write_node_nr(env, node);
918 write_pred_refs(env, node, 0);
921 static void write_Anchor(write_env_t *env, const ir_node *node)
923 write_symbol(env, "Anchor");
924 write_node_nr(env, node);
925 write_pred_refs(env, node, 0);
928 static void write_SymConst(write_env_t *env, const ir_node *node)
930 /* TODO: only symconst_addr_ent implemented yet */
931 if (get_SymConst_kind(node) != symconst_addr_ent)
932 panic("Can't export %+F (only symconst_addr_ent supported)", node);
934 write_symbol(env, "SymConst");
935 write_node_nr(env, node);
936 write_mode_ref(env, get_irn_mode(node));
937 write_entity_ref(env, get_SymConst_entity(node));
940 typedef void write_node_func(write_env_t *env, ir_node const *node);
942 static void register_node_writer(ir_op *op, write_node_func *func)
944 set_generic_function_ptr(op, func);
947 static void writers_init(void)
949 ir_clear_opcodes_generic_func();
950 register_node_writer(op_Anchor, write_Anchor);
951 register_node_writer(op_ASM, write_ASM);
952 register_node_writer(op_Block, write_Block);
953 register_node_writer(op_Phi, write_Phi);
954 register_node_writer(op_SymConst, write_SymConst);
955 register_generated_node_writers();
958 static void write_node(const ir_node *node, write_env_t *env)
960 ir_op *const op = get_irn_op(node);
961 write_node_func *const func = get_generic_function_ptr(write_node_func, op);
963 fputc('\t', env->file);
965 panic("No write_node_func for %+F", node);
967 fputc('\n', env->file);
970 static void write_node_recursive(ir_node *node, write_env_t *env);
972 static void write_preds(ir_node *node, write_env_t *env)
974 int arity = get_irn_arity(node);
976 for (i = 0; i < arity; ++i) {
977 ir_node *pred = get_irn_n(node, i);
978 write_node_recursive(pred, env);
983 * Recursively write nodes.
984 * The reader expects nodes in a way that except for block/phi/anchor nodes
985 * all predecessors are already defined when we reach them. So usually we
986 * recurse to all our predecessors except for block/phi/anchor nodes where
987 * we put the predecessors into a queue for later processing.
989 static void write_node_recursive(ir_node *node, write_env_t *env)
991 if (irn_visited_else_mark(node))
994 if (!is_Block(node)) {
995 write_node_recursive(get_nodes_block(node), env);
997 /* write predecessors */
998 if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) {
999 write_preds(node, env);
1001 int arity = get_irn_arity(node);
1003 for (i = 0; i < arity; ++i) {
1004 ir_node *pred = get_irn_n(node, i);
1005 pdeq_putr(env->write_queue, pred);
1008 write_node(node, env);
1011 static void write_mode(write_env_t *env, ir_mode *mode)
1013 if (mode_is_int(mode)) {
1014 write_symbol(env, "int_mode");
1015 write_string(env, get_mode_name(mode));
1016 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1017 write_unsigned(env, get_mode_size_bits(mode));
1018 write_int(env, get_mode_sign(mode));
1019 write_unsigned(env, get_mode_modulo_shift(mode));
1020 } else if (mode_is_reference(mode)) {
1021 write_symbol(env, "reference_mode");
1022 write_string(env, get_mode_name(mode));
1023 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1024 write_unsigned(env, get_mode_size_bits(mode));
1025 write_unsigned(env, get_mode_modulo_shift(mode));
1027 write_mode_ref(env, get_reference_mode_signed_eq(mode));
1028 write_mode_ref(env, get_reference_mode_unsigned_eq(mode));
1029 write_int(env, (mode == mode_P ? 1 : 0));
1030 } else if (mode_is_float(mode)) {
1031 write_symbol(env, "float_mode");
1032 write_string(env, get_mode_name(mode));
1033 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1034 write_unsigned(env, get_mode_exponent_size(mode));
1035 write_unsigned(env, get_mode_mantissa_size(mode));
1037 panic("Can't write internal modes");
1041 static void write_modes(write_env_t *env)
1043 size_t n_modes = ir_get_n_modes();
1046 write_symbol(env, "modes");
1047 fputs("{\n", env->file);
1049 for (i = 0; i < n_modes; i++) {
1050 ir_mode *mode = ir_get_mode(i);
1051 if (!mode_is_int(mode) && !mode_is_reference(mode)
1052 && !mode_is_float(mode)) {
1053 /* skip internal modes */
1056 fputc('\t', env->file);
1057 write_mode(env, mode);
1058 fputc('\n', env->file);
1061 fputs("}\n\n", env->file);
1064 static void write_program(write_env_t *env)
1067 size_t n_asms = get_irp_n_asms();
1070 write_symbol(env, "program");
1071 write_scope_begin(env);
1072 if (irp_prog_name_is_set()) {
1073 fputc('\t', env->file);
1074 write_symbol(env, "name");
1075 write_string(env, get_irp_name());
1076 fputc('\n', env->file);
1079 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
1080 ir_type *segment_type = get_segment_type(s);
1081 fputc('\t', env->file);
1082 write_symbol(env, "segment_type");
1083 write_symbol(env, get_segment_name(s));
1084 if (segment_type == NULL) {
1085 write_symbol(env, "NULL");
1087 write_type_ref(env, segment_type);
1089 fputc('\n', env->file);
1092 for (i = 0; i < n_asms; ++i) {
1093 ident *asm_text = get_irp_asm(i);
1094 fputc('\t', env->file);
1095 write_symbol(env, "asm");
1096 write_ident(env, asm_text);
1097 fputc('\n', env->file);
1099 write_scope_end(env);
1102 int ir_export(const char *filename)
1104 FILE *file = fopen(filename, "wt");
1111 ir_export_file(file);
1117 static void write_node_cb(ir_node *node, void *ctx)
1119 write_env_t *env = (write_env_t*)ctx;
1120 write_node(node, env);
1123 static void write_typegraph(write_env_t *env)
1125 size_t n_types = get_irp_n_types();
1128 write_symbol(env, "typegraph");
1129 write_scope_begin(env);
1130 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1131 inc_master_type_visited();
1132 for (i = 0; i < n_types; ++i) {
1133 ir_type *type = get_irp_type(i);
1134 write_type(env, type);
1136 irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1137 write_scope_end(env);
1140 static void write_irg(write_env_t *env, ir_graph *irg)
1142 write_symbol(env, "irg");
1143 write_entity_ref(env, get_irg_entity(irg));
1144 write_type_ref(env, get_irg_frame_type(irg));
1145 write_scope_begin(env);
1146 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
1147 inc_irg_visited(irg);
1148 assert(pdeq_empty(env->write_queue));
1149 pdeq_putr(env->write_queue, irg->anchor);
1151 ir_node *node = (ir_node*) pdeq_getl(env->write_queue);
1152 write_node_recursive(node, env);
1153 } while (!pdeq_empty(env->write_queue));
1154 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
1155 write_scope_end(env);
1158 /* Exports the whole irp to the given file in a textual form. */
1159 void ir_export_file(FILE *file)
1162 write_env_t *env = &my_env;
1163 size_t i, n_irgs = get_irp_n_irgs();
1165 memset(env, 0, sizeof(*env));
1167 env->write_queue = new_pdeq();
1172 write_typegraph(env);
1174 for (i = 0; i < n_irgs; i++) {
1175 ir_graph *irg = get_irp_irg(i);
1176 write_irg(env, irg);
1179 write_symbol(env, "constirg");
1180 write_node_ref(env, get_const_code_irg()->current_block);
1181 write_scope_begin(env);
1182 walk_const_code(NULL, write_node_cb, env);
1183 write_scope_end(env);
1187 del_pdeq(env->write_queue);
1192 static void read_c(read_env_t *env)
1194 int c = fgetc(env->file);
1200 /** Returns the first non-whitespace character or EOF. **/
1201 static void skip_ws(read_env_t *env)
1218 static void skip_to(read_env_t *env, char to_ch)
1220 while (env->c != to_ch && env->c != EOF) {
1225 static bool expect_char(read_env_t *env, char ch)
1229 parse_error(env, "Unexpected char '%c', expected '%c'\n",
1237 #define EXPECT(c) if (expect_char(env, (c))) {} else return
1239 static char *read_word(read_env_t *env)
1243 assert(obstack_object_size(&env->obst) == 0);
1255 obstack_1grow(&env->obst, c);
1262 obstack_1grow(&env->obst, '\0');
1263 return (char*)obstack_finish(&env->obst);
1266 static char *read_string(read_env_t *env)
1269 if (env->c != '"') {
1270 parse_error(env, "Expected string, got '%c'\n", env->c);
1275 assert(obstack_object_size(&env->obst) == 0);
1276 while (env->c != '"') {
1277 if (env->c == EOF) {
1278 parse_error(env, "Unexpected EOF while parsing string\n");
1282 if (env->c == '\\') {
1286 obstack_1grow(&env->obst, '\n');
1290 obstack_1grow(&env->obst, env->c);
1293 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1297 obstack_1grow(&env->obst, env->c);
1302 obstack_1grow(&env->obst, 0);
1304 return (char*)obstack_finish(&env->obst);
1307 static ident *read_ident(read_env_t *env)
1309 char *str = read_string(env);
1310 ident *res = new_id_from_str(str);
1311 obstack_free(&env->obst, str);
1315 static ident *read_symbol(read_env_t *env)
1317 char *str = read_word(env);
1318 ident *res = new_id_from_str(str);
1319 obstack_free(&env->obst, str);
1324 * reads a "quoted string" or alternatively the token NULL
1326 static char *read_string_null(read_env_t *env)
1329 if (env->c == 'N') {
1330 char *str = read_word(env);
1331 if (strcmp(str, "NULL") == 0) {
1332 obstack_free(&env->obst, str);
1335 } else if (env->c == '"') {
1336 return read_string(env);
1339 parse_error(env, "Expected \"string\" or NULL\n");
1343 static ident *read_ident_null(read_env_t *env)
1346 char *str = read_string_null(env);
1350 res = new_id_from_str(str);
1351 obstack_free(&env->obst, str);
1355 static long read_long(read_env_t *env)
1361 if (!isdigit(env->c) && env->c != '-') {
1362 parse_error(env, "Expected number, got '%c'\n", env->c);
1366 assert(obstack_object_size(&env->obst) == 0);
1368 obstack_1grow(&env->obst, env->c);
1370 } while (isdigit(env->c));
1371 obstack_1grow(&env->obst, 0);
1373 str = (char*)obstack_finish(&env->obst);
1375 obstack_free(&env->obst, str);
1380 static int read_int(read_env_t *env)
1382 return (int) read_long(env);
1385 static unsigned read_unsigned(read_env_t *env)
1387 return (unsigned) read_long(env);
1390 static size_t read_size_t(read_env_t *env)
1393 return (size_t) read_unsigned(env);
1396 static void expect_list_begin(read_env_t *env)
1399 if (env->c != '[') {
1400 parse_error(env, "Expected list, got '%c'\n", env->c);
1406 static bool list_has_next(read_env_t *env)
1408 if (feof(env->file)) {
1409 parse_error(env, "Unexpected EOF while reading list");
1413 if (env->c == ']') {
1421 static void *get_id(read_env_t *env, long id)
1423 id_entry key, *entry;
1426 entry = set_find(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1427 return entry ? entry->elem : NULL;
1430 static void set_id(read_env_t *env, long id, void *elem)
1435 (void)set_insert(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1438 static ir_node *get_node_or_null(read_env_t *env, long nodenr)
1440 ir_node *node = (ir_node *) get_id(env, nodenr);
1441 if (node && node->kind != k_ir_node) {
1442 parse_error(env, "Irn ID %ld collides with something else\n",
1449 static ir_type *get_type(read_env_t *env, long typenr)
1451 ir_type *type = (ir_type *) get_id(env, typenr);
1453 parse_error(env, "Type %ld not defined (yet?)\n", typenr);
1454 return get_unknown_type();
1456 if (type->kind != k_type) {
1457 parse_error(env, "Object %ld is not a type (but should be)\n", typenr);
1458 return get_unknown_type();
1463 static ir_type *read_type_ref(read_env_t *env)
1465 char *str = read_word(env);
1466 if (strcmp(str, "none") == 0) {
1467 obstack_free(&env->obst, str);
1468 return get_none_type();
1470 if (strcmp(str, "unknown") == 0) {
1471 obstack_free(&env->obst, str);
1472 return get_unknown_type();
1474 if (strcmp(str, "code") == 0) {
1475 obstack_free(&env->obst, str);
1476 return get_code_type();
1478 long nr = atol(str);
1479 obstack_free(&env->obst, str);
1481 return get_type(env, nr);
1484 static ir_entity *create_error_entity(void)
1486 ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"),
1487 get_unknown_type());
1491 static ir_entity *get_entity(read_env_t *env, long entnr)
1493 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1494 if (entity == NULL) {
1495 parse_error(env, "unknown entity: %ld\n", entnr);
1496 return create_error_entity();
1498 if (entity->kind != k_entity) {
1499 parse_error(env, "Object %ld is not an entity (but should be)\n",
1501 return create_error_entity();
1507 static ir_entity *read_entity_ref(read_env_t *env)
1509 long nr = read_long(env);
1510 return get_entity(env, nr);
1513 static ir_mode *read_mode_ref(read_env_t *env)
1515 char *str = read_string(env);
1516 size_t n = ir_get_n_modes();
1519 for (i = 0; i < n; i++) {
1520 ir_mode *mode = ir_get_mode(i);
1521 if (strcmp(str, get_mode_name(mode)) == 0) {
1522 obstack_free(&env->obst, str);
1527 parse_error(env, "unknown mode \"%s\"\n", str);
1531 static const char *get_typetag_name(typetag_t typetag)
1534 case tt_align: return "align";
1535 case tt_builtin_kind: return "builtin kind";
1536 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1537 case tt_initializer: return "initializer kind";
1538 case tt_keyword: return "keyword";
1539 case tt_linkage: return "linkage";
1540 case tt_mode_arithmetic: return "mode_arithmetic";
1541 case tt_pin_state: return "pin state";
1542 case tt_segment: return "segment";
1543 case tt_throws: return "throws";
1544 case tt_tpo: return "type";
1545 case tt_type_state: return "type state";
1546 case tt_visibility: return "visibility";
1547 case tt_volatility: return "volatility";
1548 case tt_where_alloc: return "where alloc";
1554 * Read and decode an enum constant.
1556 static unsigned read_enum(read_env_t *env, typetag_t typetag)
1558 char *str = read_word(env);
1559 unsigned code = symbol(str, typetag);
1561 if (code != SYMERROR) {
1562 obstack_free(&env->obst, str);
1566 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1570 static ir_align read_align(read_env_t *env)
1572 return (ir_align)read_enum(env, tt_align);
1575 static ir_builtin_kind read_builtin_kind(read_env_t *env)
1577 return (ir_builtin_kind)read_enum(env, tt_builtin_kind);
1580 static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env)
1582 return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate);
1585 static ir_initializer_kind_t read_initializer_kind(read_env_t *env)
1587 return (ir_initializer_kind_t)read_enum(env, tt_initializer);
1590 static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env)
1592 return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic);
1595 static op_pin_state read_pin_state(read_env_t *env)
1597 return (op_pin_state)read_enum(env, tt_pin_state);
1600 static ir_type_state read_type_state(read_env_t *env)
1602 return (ir_type_state)read_enum(env, tt_type_state);
1605 static ir_visibility read_visibility(read_env_t *env)
1607 return (ir_visibility)read_enum(env, tt_visibility);
1610 static ir_linkage read_linkage(read_env_t *env)
1612 return (ir_linkage)read_enum(env, tt_linkage);
1615 static ir_volatility read_volatility(read_env_t *env)
1617 return (ir_volatility)read_enum(env, tt_volatility);
1620 static ir_where_alloc read_where_alloc(read_env_t *env)
1622 return (ir_where_alloc)read_enum(env, tt_where_alloc);
1625 static bool read_throws(read_env_t *env)
1627 return (bool)read_enum(env, tt_throws);
1630 static keyword_t read_keyword(read_env_t *env)
1632 return (keyword_t)read_enum(env, tt_keyword);
1635 static ir_relation read_relation(read_env_t *env)
1637 return (ir_relation)read_long(env);
1640 static ir_tarval *read_tarval(read_env_t *env)
1642 ir_mode *tvmode = read_mode_ref(env);
1643 char *str = read_word(env);
1645 if (strcmp(str, "bad") == 0)
1647 tv = new_tarval_from_str(str, strlen(str), tvmode);
1648 if (tv == tarval_bad)
1649 parse_error(env, "problem while parsing tarval '%s'\n", str);
1650 obstack_free(&env->obst, str);
1655 static ir_switch_table *read_switch_table(read_env_t *env)
1657 size_t n_entries = read_size_t(env);
1658 ir_switch_table *table = ir_new_switch_table(env->irg, n_entries);
1661 for (i = 0; i < n_entries; ++i) {
1662 long pn = read_long(env);
1663 ir_tarval *min = read_tarval(env);
1664 ir_tarval *max = read_tarval(env);
1665 ir_switch_table_set(table, i, min, max, pn);
1670 static ir_initializer_t *read_initializer(read_env_t *env)
1672 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1675 case IR_INITIALIZER_CONST: {
1676 long nr = read_long(env);
1677 ir_node *node = get_node_or_null(env, nr);
1678 ir_initializer_t *initializer = create_initializer_const(node);
1680 delayed_initializer_t di;
1681 di.initializer = initializer;
1683 ARR_APP1(delayed_initializer_t, env->delayed_initializers, di);
1688 case IR_INITIALIZER_TARVAL:
1689 return create_initializer_tarval(read_tarval(env));
1691 case IR_INITIALIZER_NULL:
1692 return get_initializer_null();
1694 case IR_INITIALIZER_COMPOUND: {
1695 size_t i, n = read_size_t(env);
1696 ir_initializer_t *ini = create_initializer_compound(n);
1697 for (i = 0; i < n; i++) {
1698 ir_initializer_t *curini = read_initializer(env);
1699 set_initializer_compound_value(ini, i, curini);
1705 panic("Unknown initializer kind");
1708 /** Reads a type description and remembers it by its id. */
1709 static void read_type(read_env_t *env)
1711 long typenr = read_long(env);
1712 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1713 unsigned size = (unsigned) read_long(env);
1714 unsigned align = (unsigned) read_long(env);
1715 ir_type_state state = read_type_state(env);
1716 unsigned flags = (unsigned) read_long(env);
1721 size_t n_dimensions = read_size_t(env);
1722 ir_type *elemtype = read_type_ref(env);
1724 ir_entity *element_entity;
1725 long element_entity_nr;
1727 type = new_type_array(n_dimensions, elemtype);
1728 for (i = 0; i < n_dimensions; i++) {
1729 char *str = read_word(env);
1730 if (strcmp(str, "unknown") != 0) {
1731 long lowerbound = atol(str);
1732 set_array_lower_bound_int(type, i, lowerbound);
1734 obstack_free(&env->obst, str);
1736 str = read_word(env);
1737 if (strcmp(str, "unknown") != 0) {
1738 long upperbound = atol(str);
1739 set_array_upper_bound_int(type, i, upperbound);
1741 obstack_free(&env->obst, str);
1744 element_entity_nr = read_long(env);
1745 element_entity = get_array_element_entity(type);
1746 set_id(env, element_entity_nr, element_entity);
1748 set_type_size_bytes(type, size);
1753 ident *id = read_ident_null(env);
1755 if (typenr == (long) IR_SEGMENT_GLOBAL)
1756 type = get_glob_type();
1758 type = new_type_class(id);
1759 set_type_size_bytes(type, size);
1764 unsigned callingconv = read_unsigned(env);
1765 mtp_additional_properties addprops
1766 = (mtp_additional_properties) read_long(env);
1767 size_t nparams = read_size_t(env);
1768 size_t nresults = read_size_t(env);
1770 ir_variadicity variadicity;
1772 type = new_type_method(nparams, nresults);
1774 for (i = 0; i < nparams; i++) {
1775 long ptypenr = read_long(env);
1776 ir_type *paramtype = get_type(env, ptypenr);
1778 set_method_param_type(type, i, paramtype);
1780 for (i = 0; i < nresults; i++) {
1781 long ptypenr = read_long(env);
1782 ir_type *restype = get_type(env, ptypenr);
1784 set_method_res_type(type, i, restype);
1787 variadicity = (ir_variadicity) read_long(env);
1788 set_method_variadicity(type, variadicity);
1790 set_method_calling_convention(type, callingconv);
1791 set_method_additional_properties(type, addprops);
1796 ir_mode *mode = read_mode_ref(env);
1797 ir_type *pointsto = get_type(env, read_long(env));
1798 type = new_type_pointer(pointsto);
1799 set_type_mode(type, mode);
1803 case tpo_primitive: {
1804 ir_mode *mode = read_mode_ref(env);
1805 ir_type *base_type = read_type_ref(env);
1806 type = new_type_primitive(mode);
1807 if (base_type != get_none_type()) {
1808 set_primitive_base_type(type, base_type);
1814 ident *id = read_ident_null(env);
1815 type = new_type_struct(id);
1816 set_type_size_bytes(type, size);
1821 ident *id = read_ident_null(env);
1822 type = new_type_union(id);
1823 set_type_size_bytes(type, size);
1830 case tpo_enumeration:
1831 case tpo_uninitialized:
1832 parse_error(env, "can't import this type kind (%d)", tpop);
1835 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1840 set_type_alignment_bytes(type, align);
1841 type->flags = flags;
1843 if (state == layout_fixed)
1844 ARR_APP1(ir_type *, env->fixedtypes, type);
1846 set_id(env, typenr, type);
1849 static void read_unknown_entity(read_env_t *env)
1851 long entnr = read_long(env);
1852 ir_entity *entity = get_unknown_entity();
1853 set_id(env, entnr, entity);
1856 /** Reads an entity description and remembers it by its id. */
1857 static void read_entity(read_env_t *env, ir_entity_kind kind)
1859 long entnr = read_long(env);
1861 ident *ld_name = NULL;
1862 ir_visibility visibility = ir_visibility_external;
1863 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1864 ir_type *owner = NULL;
1865 ir_entity *entity = NULL;
1866 int compiler_generated;
1867 ir_volatility volatility;
1871 if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) {
1872 name = read_ident(env);
1873 ld_name = read_ident_null(env);
1876 visibility = read_visibility(env);
1877 expect_list_begin(env);
1878 while (list_has_next(env)) {
1879 linkage |= read_linkage(env);
1882 type = read_type_ref(env);
1883 if (kind != IR_ENTITY_LABEL)
1884 owner = read_type_ref(env);
1886 compiler_generated = read_long(env) != 0;
1887 volatility = read_volatility(env);
1890 case IR_ENTITY_NORMAL:
1891 entity = new_entity(owner, name, type);
1892 if (ld_name != NULL)
1893 set_entity_ld_ident(entity, ld_name);
1894 str = read_word(env);
1895 if (strcmp(str, "initializer") == 0) {
1896 ir_initializer_t *initializer = read_initializer(env);
1897 if (initializer != NULL)
1898 set_entity_initializer(entity, initializer);
1899 } else if (strcmp(str, "none") == 0) {
1902 parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str);
1905 case IR_ENTITY_COMPOUND_MEMBER:
1906 entity = new_entity(owner, name, type);
1907 if (ld_name != NULL)
1908 set_entity_ld_ident(entity, ld_name);
1909 set_entity_offset(entity, (int) read_long(env));
1910 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1912 case IR_ENTITY_METHOD:
1913 entity = new_entity(owner, name, type);
1914 if (ld_name != NULL)
1915 set_entity_ld_ident(entity, ld_name);
1917 case IR_ENTITY_PARAMETER: {
1918 char *str = read_word(env);
1919 size_t parameter_number;
1920 if (strcmp(str, "va_start") == 0) {
1921 parameter_number = IR_VA_START_PARAMETER_NUMBER;
1923 parameter_number = atol(str);
1925 obstack_free(&env->obst, str);
1926 entity = new_parameter_entity(owner, parameter_number, type);
1929 case IR_ENTITY_LABEL: {
1930 ir_label_t nr = get_irp_next_label_nr();
1931 entity = new_label_entity(nr);
1934 case IR_ENTITY_UNKNOWN:
1935 panic("read_entity with IR_ENTITY_UNKNOWN?");
1938 set_entity_compiler_generated(entity, compiler_generated);
1939 set_entity_volatility(entity, volatility);
1940 set_entity_visibility(entity, visibility);
1941 set_entity_linkage(entity, linkage);
1943 if (owner != NULL && is_Array_type(owner)) {
1944 set_array_element_entity(owner, entity);
1947 set_id(env, entnr, entity);
1950 /** Parses the whole type graph. */
1951 static void read_typegraph(read_env_t *env)
1953 ir_graph *old_irg = env->irg;
1957 env->irg = get_const_code_irg();
1959 /* parse all types first */
1963 if (env->c == '}') {
1968 kwkind = read_keyword(env);
1975 read_entity(env, IR_ENTITY_NORMAL);
1978 read_entity(env, IR_ENTITY_LABEL);
1981 read_entity(env, IR_ENTITY_METHOD);
1983 case kw_compound_member:
1984 read_entity(env, IR_ENTITY_COMPOUND_MEMBER);
1987 read_entity(env, IR_ENTITY_PARAMETER);
1990 read_unknown_entity(env);
1993 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
2002 * Read a node reference and return the node for it. This assumes that the node
2003 * was previously read. This is fine for all normal nodes.
2004 * (Note: that we "break" loops by having special code for phi, block or anchor
2005 * nodes in place, firm guarantees us that a loop in the graph always contains
2006 * a phi, block or anchor node)
2008 static ir_node *read_node_ref(read_env_t *env)
2010 long nr = read_long(env);
2011 ir_node *node = get_node_or_null(env, nr);
2013 parse_error(env, "node %ld not defined (yet?)\n", nr);
2014 return new_r_Bad(env->irg, mode_ANY);
2019 static int read_preds(read_env_t *env)
2021 expect_list_begin(env);
2022 assert(obstack_object_size(&env->preds_obst) == 0);
2023 while (list_has_next(env)) {
2024 ir_node *pred = read_node_ref(env);
2025 obstack_grow(&env->preds_obst, &pred, sizeof(pred));
2027 return obstack_object_size(&env->preds_obst) / sizeof(ir_node*);
2030 static void read_preds_delayed(read_env_t *env, ir_node *node)
2035 expect_list_begin(env);
2036 assert(obstack_object_size(&env->preds_obst) == 0);
2037 obstack_blank(&env->preds_obst, sizeof(delayed_pred_t));
2038 while (list_has_next(env)) {
2039 long pred_nr = read_long(env);
2040 obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr));
2043 d = (delayed_pred_t*) obstack_finish(&env->preds_obst);
2045 d->n_preds = n_preds;
2047 ARR_APP1(const delayed_pred_t*, env->delayed_preds, d);
2050 static ir_node *read_ASM(read_env_t *env)
2055 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2056 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2057 ident **clobbers = NEW_ARR_F(ident*, 0);
2058 ir_node *block = read_node_ref(env);
2059 ir_node *mem = read_node_ref(env);
2060 op_pin_state pin_state;
2062 ident *asm_text = read_ident(env);
2064 expect_list_begin(env);
2065 while (list_has_next(env)) {
2066 ir_asm_constraint constraint;
2067 constraint.pos = read_unsigned(env);
2068 constraint.constraint = read_ident(env);
2069 constraint.mode = read_mode_ref(env);
2070 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
2073 expect_list_begin(env);
2074 while (list_has_next(env)) {
2075 ir_asm_constraint constraint;
2076 constraint.pos = read_unsigned(env);
2077 constraint.constraint = read_ident(env);
2078 constraint.mode = read_mode_ref(env);
2079 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
2082 expect_list_begin(env);
2083 while (list_has_next(env)) {
2084 ident *clobber = read_ident(env);
2085 ARR_APP1(ident*, clobbers, clobber);
2088 pin_state = read_pin_state(env);
2090 n_in = read_preds(env);
2091 in = (ir_node**)obstack_finish(&env->preds_obst);
2093 if (ARR_LEN(input_constraints) != (size_t)n_in) {
2094 parse_error(env, "input_constraints != n_in in ir file");
2095 return new_r_Bad(env->irg, mode_T);
2098 newnode = new_r_ASM(block, mem, n_in, in,
2099 input_constraints, ARR_LEN(output_constraints),
2100 output_constraints, ARR_LEN(clobbers),
2101 clobbers, asm_text);
2102 set_irn_pinned(newnode, pin_state);
2103 obstack_free(&env->preds_obst, in);
2104 DEL_ARR_F(clobbers);
2105 DEL_ARR_F(output_constraints);
2106 DEL_ARR_F(input_constraints);
2110 static ir_node *read_Phi(read_env_t *env)
2112 ir_node *block = read_node_ref(env);
2113 ir_mode *mode = read_mode_ref(env);
2114 ir_node *res = new_r_Phi(block, 0, NULL, mode);
2115 read_preds_delayed(env, res);
2119 static ir_node *read_Block(read_env_t *env)
2121 ir_node *res = new_r_Block(env->irg, 0, NULL);
2122 read_preds_delayed(env, res);
2126 static ir_node *read_labeled_Block(read_env_t *env)
2128 ir_node *res = new_r_Block(env->irg, 0, NULL);
2129 ir_entity *entity = read_entity_ref(env);
2130 read_preds_delayed(env, res);
2131 set_Block_entity(res, entity);
2135 static ir_node *read_SymConst(read_env_t *env)
2137 ir_mode *mode = read_mode_ref(env);
2138 ir_entity *entity = read_entity_ref(env);
2140 symconst_symbol sym;
2142 sym.entity_p = entity;
2143 res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent);
2147 static ir_node *read_Anchor(read_env_t *env)
2149 ir_node *res = new_r_Anchor(env->irg);
2150 read_preds_delayed(env, res);
2154 typedef ir_node* read_node_func(read_env_t *env);
2155 static pmap *node_readers;
2157 static void register_node_reader(ident *ident, read_node_func* func)
2159 pmap_insert(node_readers, ident, (void*)func);
2162 static ir_node *read_node(read_env_t *env)
2164 ident *id = read_symbol(env);
2165 read_node_func *func = pmap_get(read_node_func, node_readers, id);
2166 long nr = read_long(env);
2169 parse_error(env, "Unknown nodetype '%s'", get_id_str(id));
2171 res = new_r_Bad(env->irg, mode_ANY);
2175 set_id(env, nr, res);
2179 static void readers_init(void)
2181 assert(node_readers == NULL);
2182 node_readers = pmap_create();
2183 register_node_reader(new_id_from_str("Anchor"), read_Anchor);
2184 register_node_reader(new_id_from_str("ASM"), read_ASM);
2185 register_node_reader(new_id_from_str("Block"), read_Block);
2186 register_node_reader(new_id_from_str("BlockL"), read_labeled_Block);
2187 register_node_reader(new_id_from_str("Phi"), read_Phi);
2188 register_node_reader(new_id_from_str("SymConst"), read_SymConst);
2189 register_generated_node_readers();
2192 static void read_graph(read_env_t *env, ir_graph *irg)
2194 size_t n_delayed_preds;
2198 env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0);
2203 if (env->c == '}' || env->c == EOF) {
2211 /* resolve delayed preds */
2212 n_delayed_preds = ARR_LEN(env->delayed_preds);
2213 for (i = 0; i < n_delayed_preds; ++i) {
2214 const delayed_pred_t *dp = env->delayed_preds[i];
2215 ir_node **ins = ALLOCAN(ir_node*, dp->n_preds);
2217 for (i = 0; i < dp->n_preds; ++i) {
2218 long pred_nr = dp->preds[i];
2219 ir_node *pred = get_node_or_null(env, pred_nr);
2221 parse_error(env, "predecessor %ld of a node not defined\n",
2223 goto next_delayed_pred;
2227 set_irn_in(dp->node, dp->n_preds, ins);
2228 if (is_Anchor(dp->node)) {
2230 for (a = anchor_first; a <= anchor_last; ++a) {
2231 ir_node *old_anchor = get_irg_anchor(irg, a);
2232 ir_node *new_anchor = ins[a];
2233 exchange(old_anchor, new_anchor);
2236 next_delayed_pred: ;
2238 DEL_ARR_F(env->delayed_preds);
2239 env->delayed_preds = NULL;
2242 static ir_graph *read_irg(read_env_t *env)
2244 ir_entity *irgent = get_entity(env, read_long(env));
2245 ir_graph *irg = new_ir_graph(irgent, 0);
2246 ir_type *frame = read_type_ref(env);
2247 set_irg_frame_type(irg, frame);
2248 read_graph(env, irg);
2249 irg_finalize_cons(irg);
2253 static void read_modes(read_env_t *env)
2261 if (env->c == '}' || env->c == EOF) {
2266 kwkind = read_keyword(env);
2269 const char *name = read_string(env);
2270 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2271 int size = read_long(env);
2272 int sign = read_long(env);
2273 unsigned modulo_shift = read_long(env);
2274 new_int_mode(name, arith, size, sign, modulo_shift);
2277 case kw_reference_mode: {
2278 const char *name = read_string(env);
2279 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2280 int size = read_long(env);
2281 unsigned modulo_shift = read_long(env);
2282 ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift);
2283 set_reference_mode_signed_eq(mode, read_mode_ref(env));
2284 set_reference_mode_unsigned_eq(mode, read_mode_ref(env));
2285 int is_mode_P = read_int(env);
2287 set_modeP_data(mode);
2288 set_modeP_code(mode);
2292 case kw_float_mode: {
2293 const char *name = read_string(env);
2294 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2295 int exponent_size = read_long(env);
2296 int mantissa_size = read_long(env);
2297 new_float_mode(name, arith, exponent_size, mantissa_size);
2308 static void read_program(read_env_t *env)
2316 if (env->c == '}') {
2321 kwkind = read_keyword(env);
2323 case kw_segment_type: {
2324 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
2325 ir_type *type = read_type_ref(env);
2326 set_segment_type(segment, type);
2330 ident *text = read_ident(env);
2335 parse_error(env, "unexpected keyword %d\n", kwkind);
2341 int ir_import(const char *filename)
2343 FILE *file = fopen(filename, "rt");
2350 res = ir_import_file(file, filename);
2356 int ir_import_file(FILE *input, const char *inputname)
2359 int oldoptimize = get_optimize();
2360 read_env_t *env = &myenv;
2363 size_t n_delayed_initializers;
2368 memset(env, 0, sizeof(*env));
2369 obstack_init(&env->obst);
2370 obstack_init(&env->preds_obst);
2371 env->idset = new_set(id_cmp, 128);
2372 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
2373 env->inputname = inputname;
2376 env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0);
2378 /* read first character */
2381 /* if the first line starts with '#', it contains a comment. */
2394 kw = read_keyword(env);
2401 read_typegraph(env);
2409 ir_graph *constirg = get_const_code_irg();
2410 long bodyblockid = read_long(env);
2411 set_id(env, bodyblockid, constirg->current_block);
2412 read_graph(env, constirg);
2421 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
2427 n = ARR_LEN(env->fixedtypes);
2428 for (i = 0; i < n; i++)
2429 set_type_state(env->fixedtypes[i], layout_fixed);
2431 DEL_ARR_F(env->fixedtypes);
2433 /* resolve delayed initializers */
2434 n_delayed_initializers = ARR_LEN(env->delayed_initializers);
2435 for (i = 0; i < n_delayed_initializers; ++i) {
2436 const delayed_initializer_t *di = &env->delayed_initializers[i];
2437 ir_node *node = get_node_or_null(env, di->node_nr);
2439 parse_error(env, "node %ld mentioned in an initializer was never defined\n",
2443 assert(di->initializer->kind == IR_INITIALIZER_CONST);
2444 di->initializer->consti.value = node;
2446 DEL_ARR_F(env->delayed_initializers);
2447 env->delayed_initializers = NULL;
2449 del_set(env->idset);
2451 irp_finalize_cons();
2453 set_optimize(oldoptimize);
2455 obstack_free(&env->preds_obst, NULL);
2456 obstack_free(&env->obst, NULL);
2458 pmap_destroy(node_readers);
2459 node_readers = NULL;
2461 return env->read_errors;
2464 #include "gen_irio.inl"