1 /* This module handles expression trees.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
4 Free Software Foundation, Inc.
5 Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
7 This file is part of the GNU Binutils.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
25 /* This module is in charge of working out the contents of expressions.
27 It has to keep track of the relative/absness of a symbol etc. This
28 is done by keeping all values in a struct (an etree_value_type)
29 which contains a value, a section to which it is relative and a
43 #include "libiberty.h"
44 #include "safe-ctype.h"
46 static void exp_fold_tree_1 (etree_type *);
47 static void exp_fold_tree_no_dot (etree_type *);
48 static bfd_vma align_n (bfd_vma, bfd_vma);
50 segment_type *segments;
52 struct ldexp_control expld;
54 /* Print the string representation of the given token. Surround it
55 with spaces if INFIX_P is TRUE. */
58 exp_print_token (token_code_type code, int infix_p)
92 { SECTIONS, "SECTIONS" },
93 { SIZEOF_HEADERS, "SIZEOF_HEADERS" },
95 { DEFINED, "DEFINED" },
96 { TARGET_K, "TARGET" },
97 { SEARCH_DIR, "SEARCH_DIR" },
101 { ALIGNOF, "ALIGNOF" },
102 { SIZEOF, "SIZEOF" },
104 { LOADADDR, "LOADADDR" },
105 { CONSTANT, "CONSTANT" },
106 { ABSOLUTE, "ABSOLUTE" },
109 { ASSERT_K, "ASSERT" },
110 { REL, "relocatable" },
111 { DATA_SEGMENT_ALIGN, "DATA_SEGMENT_ALIGN" },
112 { DATA_SEGMENT_RELRO_END, "DATA_SEGMENT_RELRO_END" },
113 { DATA_SEGMENT_END, "DATA_SEGMENT_END" },
114 { ORIGIN, "ORIGIN" },
115 { LENGTH, "LENGTH" },
116 { SEGMENT_START, "SEGMENT_START" }
120 for (idx = 0; idx < ARRAY_SIZE (table); idx++)
121 if (table[idx].code == code)
125 fputc (' ', config.map_file);
127 if (idx < ARRAY_SIZE (table))
128 fputs (table[idx].name, config.map_file);
130 fputc (code, config.map_file);
132 fprintf (config.map_file, "<code %d>", code);
135 fputc (' ', config.map_file);
141 expld.result.value += expld.result.section->vma;
142 expld.result.section = bfd_abs_section_ptr;
146 new_abs (bfd_vma value)
148 expld.result.valid_p = TRUE;
149 expld.result.section = bfd_abs_section_ptr;
150 expld.result.value = value;
151 expld.result.str = NULL;
155 exp_intop (bfd_vma value)
157 etree_type *new = stat_alloc (sizeof (new->value));
158 new->type.node_code = INT;
159 new->type.lineno = lineno;
160 new->value.value = value;
161 new->value.str = NULL;
162 new->type.node_class = etree_value;
167 exp_bigintop (bfd_vma value, char *str)
169 etree_type *new = stat_alloc (sizeof (new->value));
170 new->type.node_code = INT;
171 new->type.lineno = lineno;
172 new->value.value = value;
173 new->value.str = str;
174 new->type.node_class = etree_value;
178 /* Build an expression representing an unnamed relocatable value. */
181 exp_relop (asection *section, bfd_vma value)
183 etree_type *new = stat_alloc (sizeof (new->rel));
184 new->type.node_code = REL;
185 new->type.lineno = lineno;
186 new->type.node_class = etree_rel;
187 new->rel.section = section;
188 new->rel.value = value;
193 new_rel (bfd_vma value, char *str, asection *section)
195 expld.result.valid_p = TRUE;
196 expld.result.value = value;
197 expld.result.str = str;
198 expld.result.section = section;
202 new_rel_from_abs (bfd_vma value)
204 expld.result.valid_p = TRUE;
205 expld.result.value = value - expld.section->vma;
206 expld.result.str = NULL;
207 expld.result.section = expld.section;
211 fold_unary (etree_type *tree)
213 exp_fold_tree_1 (tree->unary.child);
214 if (expld.result.valid_p)
216 switch (tree->type.node_code)
219 if (expld.phase != lang_first_phase_enum)
220 new_rel_from_abs (align_n (expld.dot, expld.result.value));
222 expld.result.valid_p = FALSE;
231 expld.result.value = ~expld.result.value;
236 expld.result.value = !expld.result.value;
241 expld.result.value = -expld.result.value;
245 /* Return next place aligned to value. */
246 if (expld.phase != lang_first_phase_enum)
249 expld.result.value = align_n (expld.dot, expld.result.value);
252 expld.result.valid_p = FALSE;
255 case DATA_SEGMENT_END:
256 if (expld.phase != lang_first_phase_enum
257 && expld.section == bfd_abs_section_ptr
258 && (expld.dataseg.phase == exp_dataseg_align_seen
259 || expld.dataseg.phase == exp_dataseg_relro_seen
260 || expld.dataseg.phase == exp_dataseg_adjust
261 || expld.dataseg.phase == exp_dataseg_relro_adjust
262 || expld.phase == lang_final_phase_enum))
264 if (expld.dataseg.phase == exp_dataseg_align_seen
265 || expld.dataseg.phase == exp_dataseg_relro_seen)
267 expld.dataseg.phase = exp_dataseg_end_seen;
268 expld.dataseg.end = expld.result.value;
272 expld.result.valid_p = FALSE;
283 fold_binary (etree_type *tree)
285 exp_fold_tree_1 (tree->binary.lhs);
287 /* The SEGMENT_START operator is special because its first
288 operand is a string, not the name of a symbol. Note that the
289 operands have been swapped, so binary.lhs is second (default)
290 operand, binary.rhs is first operand. */
291 if (expld.result.valid_p && tree->type.node_code == SEGMENT_START)
293 const char *segment_name;
295 /* Check to see if the user has overridden the default
297 segment_name = tree->binary.rhs->name.name;
298 for (seg = segments; seg; seg = seg->next)
299 if (strcmp (seg->name, segment_name) == 0)
302 expld.result.value = seg->value;
303 expld.result.str = NULL;
304 expld.result.section = expld.section;
308 else if (expld.result.valid_p)
310 etree_value_type lhs = expld.result;
312 exp_fold_tree_1 (tree->binary.rhs);
313 if (expld.result.valid_p)
315 /* If the values are from different sections, or this is an
316 absolute expression, make both the source arguments
317 absolute. However, adding or subtracting an absolute
318 value from a relative value is meaningful, and is an
320 if (expld.section != bfd_abs_section_ptr
321 && lhs.section == bfd_abs_section_ptr
322 && tree->type.node_code == '+')
324 /* Keep the section of the rhs term. */
325 expld.result.value = lhs.value + expld.result.value;
328 else if (expld.section != bfd_abs_section_ptr
329 && expld.result.section == bfd_abs_section_ptr
330 && (tree->type.node_code == '+'
331 || tree->type.node_code == '-'))
333 /* Keep the section of the lhs term. */
334 expld.result.section = lhs.section;
336 else if (expld.result.section != lhs.section
337 || expld.section == bfd_abs_section_ptr)
340 lhs.value += lhs.section->vma;
343 switch (tree->type.node_code)
346 if (expld.result.value != 0)
347 expld.result.value = ((bfd_signed_vma) lhs.value
348 % (bfd_signed_vma) expld.result.value);
349 else if (expld.phase != lang_mark_phase_enum)
350 einfo (_("%F%S %% by zero\n"));
354 if (expld.result.value != 0)
355 expld.result.value = ((bfd_signed_vma) lhs.value
356 / (bfd_signed_vma) expld.result.value);
357 else if (expld.phase != lang_mark_phase_enum)
358 einfo (_("%F%S / by zero\n"));
363 expld.result.value = lhs.value y expld.result.value; \
384 if (lhs.value > expld.result.value)
385 expld.result.value = lhs.value;
389 if (lhs.value < expld.result.value)
390 expld.result.value = lhs.value;
394 expld.result.value = align_n (lhs.value, expld.result.value);
397 case DATA_SEGMENT_ALIGN:
398 expld.dataseg.relro = exp_dataseg_relro_start;
399 if (expld.phase != lang_first_phase_enum
400 && expld.section == bfd_abs_section_ptr
401 && (expld.dataseg.phase == exp_dataseg_none
402 || expld.dataseg.phase == exp_dataseg_adjust
403 || expld.dataseg.phase == exp_dataseg_relro_adjust
404 || expld.phase == lang_final_phase_enum))
406 bfd_vma maxpage = lhs.value;
407 bfd_vma commonpage = expld.result.value;
409 expld.result.value = align_n (expld.dot, maxpage);
410 if (expld.dataseg.phase == exp_dataseg_relro_adjust)
411 expld.result.value = expld.dataseg.base;
412 else if (expld.dataseg.phase != exp_dataseg_adjust)
414 expld.result.value += expld.dot & (maxpage - 1);
415 if (expld.phase == lang_allocating_phase_enum)
417 expld.dataseg.phase = exp_dataseg_align_seen;
418 expld.dataseg.min_base = expld.dot;
419 expld.dataseg.base = expld.result.value;
420 expld.dataseg.pagesize = commonpage;
421 expld.dataseg.maxpagesize = maxpage;
422 expld.dataseg.relro_end = 0;
425 else if (commonpage < maxpage)
426 expld.result.value += ((expld.dot + commonpage - 1)
427 & (maxpage - commonpage));
430 expld.result.valid_p = FALSE;
433 case DATA_SEGMENT_RELRO_END:
434 expld.dataseg.relro = exp_dataseg_relro_end;
435 if (expld.phase != lang_first_phase_enum
436 && (expld.dataseg.phase == exp_dataseg_align_seen
437 || expld.dataseg.phase == exp_dataseg_adjust
438 || expld.dataseg.phase == exp_dataseg_relro_adjust
439 || expld.phase == lang_final_phase_enum))
441 if (expld.dataseg.phase == exp_dataseg_align_seen
442 || expld.dataseg.phase == exp_dataseg_relro_adjust)
443 expld.dataseg.relro_end = lhs.value + expld.result.value;
445 if (expld.dataseg.phase == exp_dataseg_relro_adjust
446 && (expld.dataseg.relro_end
447 & (expld.dataseg.pagesize - 1)))
449 expld.dataseg.relro_end += expld.dataseg.pagesize - 1;
450 expld.dataseg.relro_end &= ~(expld.dataseg.pagesize - 1);
451 expld.result.value = (expld.dataseg.relro_end
452 - expld.result.value);
455 expld.result.value = lhs.value;
457 if (expld.dataseg.phase == exp_dataseg_align_seen)
458 expld.dataseg.phase = exp_dataseg_relro_seen;
461 expld.result.valid_p = FALSE;
469 expld.result.valid_p = FALSE;
474 fold_trinary (etree_type *tree)
476 exp_fold_tree_1 (tree->trinary.cond);
477 if (expld.result.valid_p)
478 exp_fold_tree_1 (expld.result.value
480 : tree->trinary.rhs);
484 fold_name (etree_type *tree)
486 memset (&expld.result, 0, sizeof (expld.result));
488 switch (tree->type.node_code)
491 if (expld.phase != lang_first_phase_enum)
493 bfd_vma hdr_size = 0;
494 /* Don't find the real header size if only marking sections;
495 The bfd function may cache incorrect data. */
496 if (expld.phase != lang_mark_phase_enum)
497 hdr_size = bfd_sizeof_headers (link_info.output_bfd, &link_info);
503 if (expld.phase == lang_first_phase_enum)
504 lang_track_definedness (tree->name.name);
507 struct bfd_link_hash_entry *h;
509 = lang_symbol_definition_iteration (tree->name.name);
511 h = bfd_wrapped_link_hash_lookup (link_info.output_bfd,
515 expld.result.value = (h != NULL
516 && (h->type == bfd_link_hash_defined
517 || h->type == bfd_link_hash_defweak
518 || h->type == bfd_link_hash_common)
519 && (def_iteration == lang_statement_iteration
520 || def_iteration == -1));
521 expld.result.section = expld.section;
522 expld.result.valid_p = TRUE;
527 if (expld.phase == lang_first_phase_enum)
529 else if (tree->name.name[0] == '.' && tree->name.name[1] == 0)
530 new_rel_from_abs (expld.dot);
533 struct bfd_link_hash_entry *h;
535 h = bfd_wrapped_link_hash_lookup (link_info.output_bfd,
540 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
541 else if (h->type == bfd_link_hash_defined
542 || h->type == bfd_link_hash_defweak)
544 if (bfd_is_abs_section (h->u.def.section))
545 new_abs (h->u.def.value);
548 asection *output_section;
550 output_section = h->u.def.section->output_section;
551 if (output_section == NULL)
553 if (expld.phase != lang_mark_phase_enum)
554 einfo (_("%X%S: unresolvable symbol `%s'"
555 " referenced in expression\n"),
559 new_rel (h->u.def.value + h->u.def.section->output_offset,
560 NULL, output_section);
563 else if (expld.phase == lang_final_phase_enum
564 || expld.assigning_to_dot)
565 einfo (_("%F%S: undefined symbol `%s' referenced in expression\n"),
567 else if (h->type == bfd_link_hash_new)
569 h->type = bfd_link_hash_undefined;
570 h->u.undef.abfd = NULL;
571 if (h->u.undef.next == NULL && h != link_info.hash->undefs_tail)
572 bfd_link_add_undef (link_info.hash, h);
578 if (expld.phase != lang_first_phase_enum)
580 lang_output_section_statement_type *os;
582 os = lang_output_section_find (tree->name.name);
585 if (expld.phase == lang_final_phase_enum)
586 einfo (_("%F%S: undefined section `%s' referenced in expression\n"),
589 else if (os->processed_vma)
590 new_rel (0, NULL, os->bfd_section);
595 if (expld.phase != lang_first_phase_enum)
597 lang_output_section_statement_type *os;
599 os = lang_output_section_find (tree->name.name);
602 if (expld.phase == lang_final_phase_enum)
603 einfo (_("%F%S: undefined section `%s' referenced in expression\n"),
606 else if (os->processed_lma)
608 if (os->load_base == NULL)
609 new_abs (os->bfd_section->lma);
612 exp_fold_tree_1 (os->load_base);
613 if (expld.result.valid_p)
622 if (expld.phase != lang_first_phase_enum)
624 lang_output_section_statement_type *os;
626 os = lang_output_section_find (tree->name.name);
629 if (expld.phase == lang_final_phase_enum)
630 einfo (_("%F%S: undefined section `%s' referenced in expression\n"),
634 else if (os->processed_vma)
638 if (tree->type.node_code == SIZEOF)
639 val = (os->bfd_section->size
640 / bfd_octets_per_byte (link_info.output_bfd));
642 val = (bfd_vma)1 << os->bfd_section->alignment_power;
651 lang_memory_region_type *mem;
653 mem = lang_memory_region_lookup (tree->name.name, FALSE);
655 new_abs (mem->length);
657 einfo (_("%F%S: undefined MEMORY region `%s'"
658 " referenced in expression\n"), tree->name.name);
664 lang_memory_region_type *mem;
666 mem = lang_memory_region_lookup (tree->name.name, FALSE);
668 new_abs (mem->origin);
670 einfo (_("%F%S: undefined MEMORY region `%s'"
671 " referenced in expression\n"), tree->name.name);
676 if (strcmp (tree->name.name, "MAXPAGESIZE") == 0)
677 new_abs (bfd_emul_get_maxpagesize (default_target));
678 else if (strcmp (tree->name.name, "COMMONPAGESIZE") == 0)
679 new_abs (bfd_emul_get_commonpagesize (default_target));
681 einfo (_("%F%S: unknown constant `%s' referenced in expression\n"),
692 exp_fold_tree_1 (etree_type *tree)
696 memset (&expld.result, 0, sizeof (expld.result));
700 switch (tree->type.node_class)
703 new_rel (tree->value.value, tree->value.str, expld.section);
707 if (expld.phase != lang_first_phase_enum)
709 asection *output_section = tree->rel.section->output_section;
710 new_rel (tree->rel.value + tree->rel.section->output_offset,
711 NULL, output_section);
714 memset (&expld.result, 0, sizeof (expld.result));
718 exp_fold_tree_1 (tree->assert_s.child);
719 if (expld.phase == lang_final_phase_enum && !expld.result.value)
720 einfo ("%X%P: %s\n", tree->assert_s.message);
738 if (tree->assign.dst[0] == '.' && tree->assign.dst[1] == 0)
740 /* Assignment to dot can only be done during allocation. */
741 if (tree->type.node_class != etree_assign)
742 einfo (_("%F%S can not PROVIDE assignment to location counter\n"));
743 if (expld.phase == lang_mark_phase_enum
744 || expld.phase == lang_allocating_phase_enum
745 || (expld.phase == lang_final_phase_enum
746 && expld.section == bfd_abs_section_ptr))
748 /* Notify the folder that this is an assignment to dot. */
749 expld.assigning_to_dot = TRUE;
750 exp_fold_tree_1 (tree->assign.src);
751 expld.assigning_to_dot = FALSE;
753 if (!expld.result.valid_p)
755 if (expld.phase != lang_mark_phase_enum)
756 einfo (_("%F%S invalid assignment to location counter\n"));
758 else if (expld.dotp == NULL)
759 einfo (_("%F%S assignment to location counter"
760 " invalid outside of SECTION\n"));
765 nextdot = expld.result.value + expld.section->vma;
766 if (nextdot < expld.dot
767 && expld.section != bfd_abs_section_ptr)
768 einfo (_("%F%S cannot move location counter backwards"
769 " (from %V to %V)\n"), expld.dot, nextdot);
773 *expld.dotp = nextdot;
778 memset (&expld.result, 0, sizeof (expld.result));
782 struct bfd_link_hash_entry *h = NULL;
784 if (tree->type.node_class == etree_provide)
786 h = bfd_link_hash_lookup (link_info.hash, tree->assign.dst,
789 || (h->type != bfd_link_hash_new
790 && h->type != bfd_link_hash_undefined
791 && h->type != bfd_link_hash_common))
793 /* Do nothing. The symbol was never referenced, or was
794 defined by some object. */
799 exp_fold_tree_1 (tree->assign.src);
800 if (expld.result.valid_p)
804 h = bfd_link_hash_lookup (link_info.hash, tree->assign.dst,
807 einfo (_("%P%F:%s: hash creation failed\n"),
811 /* FIXME: Should we worry if the symbol is already
813 lang_update_definedness (tree->assign.dst, h);
814 h->type = bfd_link_hash_defined;
815 h->u.def.value = expld.result.value;
816 h->u.def.section = expld.result.section;
817 if (tree->type.node_class == etree_provide)
818 tree->type.node_class = etree_provided;
829 memset (&expld.result, 0, sizeof (expld.result));
835 exp_fold_tree (etree_type *tree, asection *current_section, bfd_vma *dotp)
839 expld.section = current_section;
840 exp_fold_tree_1 (tree);
844 exp_fold_tree_no_dot (etree_type *tree)
848 expld.section = bfd_abs_section_ptr;
849 exp_fold_tree_1 (tree);
853 exp_binop (int code, etree_type *lhs, etree_type *rhs)
855 etree_type value, *new;
857 value.type.node_code = code;
858 value.type.lineno = lhs->type.lineno;
859 value.binary.lhs = lhs;
860 value.binary.rhs = rhs;
861 value.type.node_class = etree_binary;
862 exp_fold_tree_no_dot (&value);
863 if (expld.result.valid_p)
864 return exp_intop (expld.result.value);
866 new = stat_alloc (sizeof (new->binary));
867 memcpy (new, &value, sizeof (new->binary));
872 exp_trinop (int code, etree_type *cond, etree_type *lhs, etree_type *rhs)
874 etree_type value, *new;
876 value.type.node_code = code;
877 value.type.lineno = lhs->type.lineno;
878 value.trinary.lhs = lhs;
879 value.trinary.cond = cond;
880 value.trinary.rhs = rhs;
881 value.type.node_class = etree_trinary;
882 exp_fold_tree_no_dot (&value);
883 if (expld.result.valid_p)
884 return exp_intop (expld.result.value);
886 new = stat_alloc (sizeof (new->trinary));
887 memcpy (new, &value, sizeof (new->trinary));
892 exp_unop (int code, etree_type *child)
894 etree_type value, *new;
896 value.unary.type.node_code = code;
897 value.unary.type.lineno = child->type.lineno;
898 value.unary.child = child;
899 value.unary.type.node_class = etree_unary;
900 exp_fold_tree_no_dot (&value);
901 if (expld.result.valid_p)
902 return exp_intop (expld.result.value);
904 new = stat_alloc (sizeof (new->unary));
905 memcpy (new, &value, sizeof (new->unary));
910 exp_nameop (int code, const char *name)
912 etree_type value, *new;
914 value.name.type.node_code = code;
915 value.name.type.lineno = lineno;
916 value.name.name = name;
917 value.name.type.node_class = etree_name;
919 exp_fold_tree_no_dot (&value);
920 if (expld.result.valid_p)
921 return exp_intop (expld.result.value);
923 new = stat_alloc (sizeof (new->name));
924 memcpy (new, &value, sizeof (new->name));
930 exp_assop (int code, const char *dst, etree_type *src)
934 new = stat_alloc (sizeof (new->assign));
935 new->type.node_code = code;
936 new->type.lineno = src->type.lineno;
937 new->type.node_class = etree_assign;
938 new->assign.src = src;
939 new->assign.dst = dst;
943 /* Handle PROVIDE. */
946 exp_provide (const char *dst, etree_type *src, bfd_boolean hidden)
950 n = stat_alloc (sizeof (n->assign));
951 n->assign.type.node_code = '=';
952 n->assign.type.lineno = src->type.lineno;
953 n->assign.type.node_class = etree_provide;
956 n->assign.hidden = hidden;
963 exp_assert (etree_type *exp, const char *message)
967 n = stat_alloc (sizeof (n->assert_s));
968 n->assert_s.type.node_code = '!';
969 n->assert_s.type.lineno = exp->type.lineno;
970 n->assert_s.type.node_class = etree_assert;
971 n->assert_s.child = exp;
972 n->assert_s.message = message;
977 exp_print_tree (etree_type *tree)
979 if (config.map_file == NULL)
980 config.map_file = stderr;
984 minfo ("NULL TREE\n");
988 switch (tree->type.node_class)
991 minfo ("0x%v", tree->value.value);
994 if (tree->rel.section->owner != NULL)
995 minfo ("%B:", tree->rel.section->owner);
996 minfo ("%s+0x%v", tree->rel.section->name, tree->rel.value);
999 fprintf (config.map_file, "%s", tree->assign.dst);
1000 exp_print_token (tree->type.node_code, TRUE);
1001 exp_print_tree (tree->assign.src);
1004 case etree_provided:
1005 fprintf (config.map_file, "PROVIDE (%s, ", tree->assign.dst);
1006 exp_print_tree (tree->assign.src);
1007 fprintf (config.map_file, ")");
1010 fprintf (config.map_file, "(");
1011 exp_print_tree (tree->binary.lhs);
1012 exp_print_token (tree->type.node_code, TRUE);
1013 exp_print_tree (tree->binary.rhs);
1014 fprintf (config.map_file, ")");
1017 exp_print_tree (tree->trinary.cond);
1018 fprintf (config.map_file, "?");
1019 exp_print_tree (tree->trinary.lhs);
1020 fprintf (config.map_file, ":");
1021 exp_print_tree (tree->trinary.rhs);
1024 exp_print_token (tree->unary.type.node_code, FALSE);
1025 if (tree->unary.child)
1027 fprintf (config.map_file, " (");
1028 exp_print_tree (tree->unary.child);
1029 fprintf (config.map_file, ")");
1034 fprintf (config.map_file, "ASSERT (");
1035 exp_print_tree (tree->assert_s.child);
1036 fprintf (config.map_file, ", %s)", tree->assert_s.message);
1040 if (tree->type.node_code == NAME)
1042 fprintf (config.map_file, "%s", tree->name.name);
1046 exp_print_token (tree->type.node_code, FALSE);
1047 if (tree->name.name)
1048 fprintf (config.map_file, " (%s)", tree->name.name);
1058 exp_get_vma (etree_type *tree, bfd_vma def, char *name)
1062 exp_fold_tree_no_dot (tree);
1063 if (expld.result.valid_p)
1064 return expld.result.value;
1065 else if (name != NULL && expld.phase != lang_mark_phase_enum)
1066 einfo (_("%F%S: nonconstant expression for %s\n"), name);
1072 exp_get_value_int (etree_type *tree, int def, char *name)
1074 return exp_get_vma (tree, def, name);
1078 exp_get_fill (etree_type *tree, fill_type *def, char *name)
1087 exp_fold_tree_no_dot (tree);
1088 if (!expld.result.valid_p)
1090 if (name != NULL && expld.phase != lang_mark_phase_enum)
1091 einfo (_("%F%S: nonconstant expression for %s\n"), name);
1095 if (expld.result.str != NULL && (len = strlen (expld.result.str)) != 0)
1099 fill = xmalloc ((len + 1) / 2 + sizeof (*fill) - 1);
1100 fill->size = (len + 1) / 2;
1102 s = (unsigned char *) expld.result.str;
1110 digit = (digit - 'A' + '0' + 10) & 0xf;
1124 fill = xmalloc (4 + sizeof (*fill) - 1);
1125 val = expld.result.value;
1126 fill->data[0] = (val >> 24) & 0xff;
1127 fill->data[1] = (val >> 16) & 0xff;
1128 fill->data[2] = (val >> 8) & 0xff;
1129 fill->data[3] = (val >> 0) & 0xff;
1136 exp_get_abs_int (etree_type *tree, int def, char *name)
1140 exp_fold_tree_no_dot (tree);
1142 if (expld.result.valid_p)
1144 expld.result.value += expld.result.section->vma;
1145 return expld.result.value;
1147 else if (name != NULL && expld.phase != lang_mark_phase_enum)
1149 lineno = tree->type.lineno;
1150 einfo (_("%F%S: nonconstant expression for %s\n"), name);
1157 align_n (bfd_vma value, bfd_vma align)
1162 value = (value + align - 1) / align;
1163 return value * align;