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, 2009, 2010, 2011
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 bfd_vma align_n (bfd_vma, bfd_vma);
49 segment_type *segments;
51 struct ldexp_control expld;
53 /* Print the string representation of the given token. Surround it
54 with spaces if INFIX_P is TRUE. */
57 exp_print_token (token_code_type code, int infix_p)
91 { SECTIONS, "SECTIONS" },
92 { SIZEOF_HEADERS, "SIZEOF_HEADERS" },
94 { DEFINED, "DEFINED" },
95 { TARGET_K, "TARGET" },
96 { SEARCH_DIR, "SEARCH_DIR" },
100 { ALIGNOF, "ALIGNOF" },
101 { SIZEOF, "SIZEOF" },
103 { LOADADDR, "LOADADDR" },
104 { CONSTANT, "CONSTANT" },
105 { ABSOLUTE, "ABSOLUTE" },
108 { ASSERT_K, "ASSERT" },
109 { REL, "relocatable" },
110 { DATA_SEGMENT_ALIGN, "DATA_SEGMENT_ALIGN" },
111 { DATA_SEGMENT_RELRO_END, "DATA_SEGMENT_RELRO_END" },
112 { DATA_SEGMENT_END, "DATA_SEGMENT_END" },
113 { ORIGIN, "ORIGIN" },
114 { LENGTH, "LENGTH" },
115 { SEGMENT_START, "SEGMENT_START" }
119 for (idx = 0; idx < ARRAY_SIZE (table); idx++)
120 if (table[idx].code == code)
124 fputc (' ', config.map_file);
126 if (idx < ARRAY_SIZE (table))
127 fputs (table[idx].name, config.map_file);
129 fputc (code, config.map_file);
131 fprintf (config.map_file, "<code %d>", code);
134 fputc (' ', config.map_file);
140 if (expld.result.section != NULL)
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_e = (etree_type *) stat_alloc (sizeof (new_e->value));
158 new_e->type.node_code = INT;
159 new_e->type.lineno = lineno;
160 new_e->value.value = value;
161 new_e->value.str = NULL;
162 new_e->type.node_class = etree_value;
167 exp_bigintop (bfd_vma value, char *str)
169 etree_type *new_e = (etree_type *) stat_alloc (sizeof (new_e->value));
170 new_e->type.node_code = INT;
171 new_e->type.lineno = lineno;
172 new_e->value.value = value;
173 new_e->value.str = str;
174 new_e->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_e = (etree_type *) stat_alloc (sizeof (new_e->rel));
184 new_e->type.node_code = REL;
185 new_e->type.lineno = lineno;
186 new_e->type.node_class = etree_rel;
187 new_e->rel.section = section;
188 new_e->rel.value = value;
193 new_number (bfd_vma value)
195 expld.result.valid_p = TRUE;
196 expld.result.value = value;
197 expld.result.str = NULL;
198 expld.result.section = NULL;
202 new_rel (bfd_vma value, asection *section)
204 expld.result.valid_p = TRUE;
205 expld.result.value = value;
206 expld.result.str = NULL;
207 expld.result.section = section;
211 new_rel_from_abs (bfd_vma value)
213 expld.result.valid_p = TRUE;
214 expld.result.value = value - expld.section->vma;
215 expld.result.str = NULL;
216 expld.result.section = expld.section;
220 fold_unary (etree_type *tree)
222 exp_fold_tree_1 (tree->unary.child);
223 if (expld.result.valid_p)
225 switch (tree->type.node_code)
228 if (expld.phase != lang_first_phase_enum)
229 new_rel_from_abs (align_n (expld.dot, expld.result.value));
231 expld.result.valid_p = FALSE;
239 expld.result.value = ~expld.result.value;
243 expld.result.value = !expld.result.value;
247 expld.result.value = -expld.result.value;
251 /* Return next place aligned to value. */
252 if (expld.phase != lang_first_phase_enum)
255 expld.result.value = align_n (expld.dot, expld.result.value);
258 expld.result.valid_p = FALSE;
261 case DATA_SEGMENT_END:
262 if (expld.phase == lang_first_phase_enum
263 || expld.section != bfd_abs_section_ptr)
265 expld.result.valid_p = FALSE;
267 else if (expld.dataseg.phase == exp_dataseg_align_seen
268 || expld.dataseg.phase == exp_dataseg_relro_seen)
270 expld.dataseg.phase = exp_dataseg_end_seen;
271 expld.dataseg.end = expld.result.value;
273 else if (expld.dataseg.phase == exp_dataseg_done
274 || expld.dataseg.phase == exp_dataseg_adjust
275 || expld.dataseg.phase == exp_dataseg_relro_adjust)
280 expld.result.valid_p = FALSE;
291 fold_binary (etree_type *tree)
293 etree_value_type lhs;
294 exp_fold_tree_1 (tree->binary.lhs);
296 /* The SEGMENT_START operator is special because its first
297 operand is a string, not the name of a symbol. Note that the
298 operands have been swapped, so binary.lhs is second (default)
299 operand, binary.rhs is first operand. */
300 if (expld.result.valid_p && tree->type.node_code == SEGMENT_START)
302 const char *segment_name;
305 /* Check to see if the user has overridden the default
307 segment_name = tree->binary.rhs->name.name;
308 for (seg = segments; seg; seg = seg->next)
309 if (strcmp (seg->name, segment_name) == 0)
312 && config.magic_demand_paged
313 && (seg->value % config.maxpagesize) != 0)
314 einfo (_("%P: warning: address of `%s' isn't multiple of maximum page size\n"),
317 new_rel_from_abs (seg->value);
324 exp_fold_tree_1 (tree->binary.rhs);
325 expld.result.valid_p &= lhs.valid_p;
327 if (expld.result.valid_p)
329 if (lhs.section != expld.result.section)
331 /* If the values are from different sections, and neither is
332 just a number, make both the source arguments absolute. */
333 if (expld.result.section != NULL
334 && lhs.section != NULL)
337 lhs.value += lhs.section->vma;
340 /* If the rhs is just a number, keep the lhs section. */
341 else if (expld.result.section == NULL)
342 expld.result.section = lhs.section;
345 switch (tree->type.node_code)
348 if (expld.result.value != 0)
349 expld.result.value = ((bfd_signed_vma) lhs.value
350 % (bfd_signed_vma) expld.result.value);
351 else if (expld.phase != lang_mark_phase_enum)
352 einfo (_("%F%S %% by zero\n"));
356 if (expld.result.value != 0)
357 expld.result.value = ((bfd_signed_vma) lhs.value
358 / (bfd_signed_vma) expld.result.value);
359 else if (expld.phase != lang_mark_phase_enum)
360 einfo (_("%F%S / by zero\n"));
365 expld.result.value = lhs.value y expld.result.value; \
370 expld.result.value = lhs.value y expld.result.value; \
371 expld.result.section = NULL; \
392 if (lhs.value > expld.result.value)
393 expld.result.value = lhs.value;
397 if (lhs.value < expld.result.value)
398 expld.result.value = lhs.value;
402 expld.result.value = align_n (lhs.value, expld.result.value);
405 case DATA_SEGMENT_ALIGN:
406 expld.dataseg.relro = exp_dataseg_relro_start;
407 if (expld.phase == lang_first_phase_enum
408 || expld.section != bfd_abs_section_ptr)
409 expld.result.valid_p = FALSE;
412 bfd_vma maxpage = lhs.value;
413 bfd_vma commonpage = expld.result.value;
415 expld.result.value = align_n (expld.dot, maxpage);
416 if (expld.dataseg.phase == exp_dataseg_relro_adjust)
417 expld.result.value = expld.dataseg.base;
418 else if (expld.dataseg.phase == exp_dataseg_adjust)
420 if (commonpage < maxpage)
421 expld.result.value += ((expld.dot + commonpage - 1)
422 & (maxpage - commonpage));
426 expld.result.value += expld.dot & (maxpage - 1);
427 if (expld.dataseg.phase == exp_dataseg_done)
431 else if (expld.dataseg.phase == exp_dataseg_none)
433 expld.dataseg.phase = exp_dataseg_align_seen;
434 expld.dataseg.min_base = expld.dot;
435 expld.dataseg.base = expld.result.value;
436 expld.dataseg.pagesize = commonpage;
437 expld.dataseg.maxpagesize = maxpage;
438 expld.dataseg.relro_end = 0;
441 expld.result.valid_p = FALSE;
446 case DATA_SEGMENT_RELRO_END:
447 expld.dataseg.relro = exp_dataseg_relro_end;
448 if (expld.phase == lang_first_phase_enum
449 || expld.section != bfd_abs_section_ptr)
450 expld.result.valid_p = FALSE;
451 else if (expld.dataseg.phase == exp_dataseg_align_seen
452 || expld.dataseg.phase == exp_dataseg_adjust
453 || expld.dataseg.phase == exp_dataseg_relro_adjust
454 || expld.dataseg.phase == exp_dataseg_done)
456 if (expld.dataseg.phase == exp_dataseg_align_seen
457 || expld.dataseg.phase == exp_dataseg_relro_adjust)
458 expld.dataseg.relro_end = lhs.value + expld.result.value;
460 if (expld.dataseg.phase == exp_dataseg_relro_adjust
461 && (expld.dataseg.relro_end
462 & (expld.dataseg.pagesize - 1)))
464 expld.dataseg.relro_end += expld.dataseg.pagesize - 1;
465 expld.dataseg.relro_end &= ~(expld.dataseg.pagesize - 1);
466 expld.result.value = (expld.dataseg.relro_end
467 - expld.result.value);
470 expld.result.value = lhs.value;
472 if (expld.dataseg.phase == exp_dataseg_align_seen)
473 expld.dataseg.phase = exp_dataseg_relro_seen;
476 expld.result.valid_p = FALSE;
486 fold_trinary (etree_type *tree)
488 exp_fold_tree_1 (tree->trinary.cond);
489 if (expld.result.valid_p)
490 exp_fold_tree_1 (expld.result.value
492 : tree->trinary.rhs);
496 fold_name (etree_type *tree)
498 memset (&expld.result, 0, sizeof (expld.result));
500 switch (tree->type.node_code)
503 if (expld.phase != lang_first_phase_enum)
505 bfd_vma hdr_size = 0;
506 /* Don't find the real header size if only marking sections;
507 The bfd function may cache incorrect data. */
508 if (expld.phase != lang_mark_phase_enum)
509 hdr_size = bfd_sizeof_headers (link_info.output_bfd, &link_info);
510 new_number (hdr_size);
515 expld.uses_defined = TRUE;
516 if (expld.phase == lang_first_phase_enum)
517 lang_track_definedness (tree->name.name);
520 struct bfd_link_hash_entry *h;
522 = lang_symbol_definition_iteration (tree->name.name);
524 h = bfd_wrapped_link_hash_lookup (link_info.output_bfd,
528 new_number (h != NULL
529 && (h->type == bfd_link_hash_defined
530 || h->type == bfd_link_hash_defweak
531 || h->type == bfd_link_hash_common)
532 && (def_iteration == lang_statement_iteration
533 || def_iteration == -1));
538 if (expld.phase == lang_first_phase_enum)
540 else if (tree->name.name[0] == '.' && tree->name.name[1] == 0)
541 new_rel_from_abs (expld.dot);
544 struct bfd_link_hash_entry *h;
546 h = bfd_wrapped_link_hash_lookup (link_info.output_bfd,
551 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
552 else if (h->type == bfd_link_hash_defined
553 || h->type == bfd_link_hash_defweak)
555 asection *output_section;
557 output_section = h->u.def.section->output_section;
558 if (output_section == NULL)
560 if (expld.phase != lang_mark_phase_enum)
561 einfo (_("%X%S: unresolvable symbol `%s'"
562 " referenced in expression\n"),
565 else if (output_section == bfd_abs_section_ptr
566 && (expld.section != bfd_abs_section_ptr
567 || ld_compatibility >= 221))
568 new_number (h->u.def.value + h->u.def.section->output_offset);
570 new_rel (h->u.def.value + h->u.def.section->output_offset,
573 else if (expld.phase == lang_final_phase_enum
574 || expld.assigning_to_dot)
575 einfo (_("%F%S: undefined symbol `%s' referenced in expression\n"),
577 else if (h->type == bfd_link_hash_new)
579 h->type = bfd_link_hash_undefined;
580 h->u.undef.abfd = NULL;
581 if (h->u.undef.next == NULL && h != link_info.hash->undefs_tail)
582 bfd_link_add_undef (link_info.hash, h);
588 if (expld.phase != lang_first_phase_enum)
590 lang_output_section_statement_type *os;
592 os = lang_output_section_find (tree->name.name);
595 if (expld.phase == lang_final_phase_enum)
596 einfo (_("%F%S: undefined section `%s' referenced in expression\n"),
599 else if (os->processed_vma)
600 new_rel (0, os->bfd_section);
605 if (expld.phase != lang_first_phase_enum)
607 lang_output_section_statement_type *os;
609 os = lang_output_section_find (tree->name.name);
612 if (expld.phase == lang_final_phase_enum)
613 einfo (_("%F%S: undefined section `%s' referenced in expression\n"),
616 else if (os->processed_lma)
618 if (os->load_base == NULL)
619 new_abs (os->bfd_section->lma);
622 exp_fold_tree_1 (os->load_base);
623 if (expld.result.valid_p)
632 if (expld.phase != lang_first_phase_enum)
634 lang_output_section_statement_type *os;
636 os = lang_output_section_find (tree->name.name);
639 if (expld.phase == lang_final_phase_enum)
640 einfo (_("%F%S: undefined section `%s' referenced in expression\n"),
644 else if (os->processed_vma)
648 if (tree->type.node_code == SIZEOF)
649 val = (os->bfd_section->size
650 / bfd_octets_per_byte (link_info.output_bfd));
652 val = (bfd_vma)1 << os->bfd_section->alignment_power;
661 lang_memory_region_type *mem;
663 mem = lang_memory_region_lookup (tree->name.name, FALSE);
665 new_number (mem->length);
667 einfo (_("%F%S: undefined MEMORY region `%s'"
668 " referenced in expression\n"), tree->name.name);
673 if (expld.phase != lang_first_phase_enum)
675 lang_memory_region_type *mem;
677 mem = lang_memory_region_lookup (tree->name.name, FALSE);
679 new_rel_from_abs (mem->origin);
681 einfo (_("%F%S: undefined MEMORY region `%s'"
682 " referenced in expression\n"), tree->name.name);
687 if (strcmp (tree->name.name, "MAXPAGESIZE") == 0)
688 new_number (config.maxpagesize);
689 else if (strcmp (tree->name.name, "COMMONPAGESIZE") == 0)
690 new_number (config.commonpagesize);
692 einfo (_("%F%S: unknown constant `%s' referenced in expression\n"),
703 exp_fold_tree_1 (etree_type *tree)
707 memset (&expld.result, 0, sizeof (expld.result));
711 switch (tree->type.node_class)
714 if (expld.section == bfd_abs_section_ptr
715 && ld_compatibility < 221)
716 new_abs (tree->value.value);
718 new_number (tree->value.value);
719 expld.result.str = tree->value.str;
723 if (expld.phase != lang_first_phase_enum)
725 asection *output_section = tree->rel.section->output_section;
726 new_rel (tree->rel.value + tree->rel.section->output_offset,
730 memset (&expld.result, 0, sizeof (expld.result));
734 exp_fold_tree_1 (tree->assert_s.child);
735 if (expld.phase == lang_final_phase_enum && !expld.result.value)
736 einfo ("%X%P: %s\n", tree->assert_s.message);
754 if (tree->assign.dst[0] == '.' && tree->assign.dst[1] == 0)
756 /* Assignment to dot can only be done during allocation. */
757 if (tree->type.node_class != etree_assign)
758 einfo (_("%F%S can not PROVIDE assignment to location counter\n"));
759 if (expld.phase == lang_mark_phase_enum
760 || expld.phase == lang_allocating_phase_enum
761 || (expld.phase == lang_final_phase_enum
762 && expld.section == bfd_abs_section_ptr))
764 /* Notify the folder that this is an assignment to dot. */
765 expld.assigning_to_dot = TRUE;
766 exp_fold_tree_1 (tree->assign.src);
767 expld.assigning_to_dot = FALSE;
769 if (!expld.result.valid_p)
771 if (expld.phase != lang_mark_phase_enum)
772 einfo (_("%F%S invalid assignment to location counter\n"));
774 else if (expld.dotp == NULL)
775 einfo (_("%F%S assignment to location counter"
776 " invalid outside of SECTION\n"));
781 nextdot = expld.result.value;
782 if (expld.result.section != NULL)
783 nextdot += expld.result.section->vma;
785 nextdot += expld.section->vma;
786 if (nextdot < expld.dot
787 && expld.section != bfd_abs_section_ptr)
788 einfo (_("%F%S cannot move location counter backwards"
789 " (from %V to %V)\n"), expld.dot, nextdot);
793 *expld.dotp = nextdot;
798 memset (&expld.result, 0, sizeof (expld.result));
802 struct bfd_link_hash_entry *h = NULL;
804 if (tree->type.node_class == etree_provide)
806 h = bfd_link_hash_lookup (link_info.hash, tree->assign.dst,
809 || (h->type != bfd_link_hash_new
810 && h->type != bfd_link_hash_undefined
811 && h->type != bfd_link_hash_common))
813 /* Do nothing. The symbol was never referenced, or was
814 defined by some object. */
819 exp_fold_tree_1 (tree->assign.src);
820 if (expld.result.valid_p
821 || (expld.phase == lang_first_phase_enum
822 && !expld.uses_defined))
826 h = bfd_link_hash_lookup (link_info.hash, tree->assign.dst,
829 einfo (_("%P%F:%s: hash creation failed\n"),
833 /* FIXME: Should we worry if the symbol is already
835 lang_update_definedness (tree->assign.dst, h);
836 h->type = bfd_link_hash_defined;
837 h->u.def.value = expld.result.value;
838 if (expld.result.section == NULL)
839 expld.result.section = expld.section;
840 h->u.def.section = expld.result.section;
841 if (tree->type.node_class == etree_provide)
842 tree->type.node_class = etree_provided;
844 /* Copy the symbol type if this is a simple assignment of
845 one symbol to annother. */
846 if (tree->assign.src->type.node_class == etree_name)
848 struct bfd_link_hash_entry *hsrc;
850 hsrc = bfd_link_hash_lookup (link_info.hash,
851 tree->assign.src->name.name,
854 bfd_copy_link_hash_symbol_type (link_info.output_bfd, h,
858 else if (expld.phase == lang_final_phase_enum)
860 h = bfd_link_hash_lookup (link_info.hash, tree->assign.dst,
863 && h->type == bfd_link_hash_new)
864 h->type = bfd_link_hash_undefined;
875 memset (&expld.result, 0, sizeof (expld.result));
881 exp_fold_tree (etree_type *tree, asection *current_section, bfd_vma *dotp)
885 expld.section = current_section;
886 expld.uses_defined = FALSE;
887 exp_fold_tree_1 (tree);
891 exp_fold_tree_no_dot (etree_type *tree)
895 expld.section = bfd_abs_section_ptr;
896 expld.uses_defined = FALSE;
897 exp_fold_tree_1 (tree);
901 exp_binop (int code, etree_type *lhs, etree_type *rhs)
903 etree_type value, *new_e;
905 value.type.node_code = code;
906 value.type.lineno = lhs->type.lineno;
907 value.binary.lhs = lhs;
908 value.binary.rhs = rhs;
909 value.type.node_class = etree_binary;
910 exp_fold_tree_no_dot (&value);
911 if (expld.result.valid_p)
912 return exp_intop (expld.result.value);
914 new_e = (etree_type *) stat_alloc (sizeof (new_e->binary));
915 memcpy (new_e, &value, sizeof (new_e->binary));
920 exp_trinop (int code, etree_type *cond, etree_type *lhs, etree_type *rhs)
922 etree_type value, *new_e;
924 value.type.node_code = code;
925 value.type.lineno = lhs->type.lineno;
926 value.trinary.lhs = lhs;
927 value.trinary.cond = cond;
928 value.trinary.rhs = rhs;
929 value.type.node_class = etree_trinary;
930 exp_fold_tree_no_dot (&value);
931 if (expld.result.valid_p)
932 return exp_intop (expld.result.value);
934 new_e = (etree_type *) stat_alloc (sizeof (new_e->trinary));
935 memcpy (new_e, &value, sizeof (new_e->trinary));
940 exp_unop (int code, etree_type *child)
942 etree_type value, *new_e;
944 value.unary.type.node_code = code;
945 value.unary.type.lineno = child->type.lineno;
946 value.unary.child = child;
947 value.unary.type.node_class = etree_unary;
948 exp_fold_tree_no_dot (&value);
949 if (expld.result.valid_p)
950 return exp_intop (expld.result.value);
952 new_e = (etree_type *) stat_alloc (sizeof (new_e->unary));
953 memcpy (new_e, &value, sizeof (new_e->unary));
958 exp_nameop (int code, const char *name)
960 etree_type value, *new_e;
962 value.name.type.node_code = code;
963 value.name.type.lineno = lineno;
964 value.name.name = name;
965 value.name.type.node_class = etree_name;
967 exp_fold_tree_no_dot (&value);
968 if (expld.result.valid_p)
969 return exp_intop (expld.result.value);
971 new_e = (etree_type *) stat_alloc (sizeof (new_e->name));
972 memcpy (new_e, &value, sizeof (new_e->name));
978 exp_assop (int code, const char *dst, etree_type *src)
982 new_e = (etree_type *) stat_alloc (sizeof (new_e->assign));
983 new_e->type.node_code = code;
984 new_e->type.lineno = src->type.lineno;
985 new_e->type.node_class = etree_assign;
986 new_e->assign.src = src;
987 new_e->assign.dst = dst;
991 /* Handle PROVIDE. */
994 exp_provide (const char *dst, etree_type *src, bfd_boolean hidden)
998 n = (etree_type *) stat_alloc (sizeof (n->assign));
999 n->assign.type.node_code = '=';
1000 n->assign.type.lineno = src->type.lineno;
1001 n->assign.type.node_class = etree_provide;
1002 n->assign.src = src;
1003 n->assign.dst = dst;
1004 n->assign.hidden = hidden;
1008 /* Handle ASSERT. */
1011 exp_assert (etree_type *exp, const char *message)
1015 n = (etree_type *) stat_alloc (sizeof (n->assert_s));
1016 n->assert_s.type.node_code = '!';
1017 n->assert_s.type.lineno = exp->type.lineno;
1018 n->assert_s.type.node_class = etree_assert;
1019 n->assert_s.child = exp;
1020 n->assert_s.message = message;
1025 exp_print_tree (etree_type *tree)
1027 bfd_boolean function_like;
1029 if (config.map_file == NULL)
1030 config.map_file = stderr;
1034 minfo ("NULL TREE\n");
1038 switch (tree->type.node_class)
1041 minfo ("0x%v", tree->value.value);
1044 if (tree->rel.section->owner != NULL)
1045 minfo ("%B:", tree->rel.section->owner);
1046 minfo ("%s+0x%v", tree->rel.section->name, tree->rel.value);
1049 fputs (tree->assign.dst, config.map_file);
1050 exp_print_token (tree->type.node_code, TRUE);
1051 exp_print_tree (tree->assign.src);
1054 case etree_provided:
1055 fprintf (config.map_file, "PROVIDE (%s, ", tree->assign.dst);
1056 exp_print_tree (tree->assign.src);
1057 fputc (')', config.map_file);
1060 function_like = FALSE;
1061 switch (tree->type.node_code)
1066 case DATA_SEGMENT_ALIGN:
1067 case DATA_SEGMENT_RELRO_END:
1068 function_like = TRUE;
1072 exp_print_token (tree->type.node_code, FALSE);
1073 fputc (' ', config.map_file);
1075 fputc ('(', config.map_file);
1076 exp_print_tree (tree->binary.lhs);
1078 fprintf (config.map_file, ", ");
1080 exp_print_token (tree->type.node_code, TRUE);
1081 exp_print_tree (tree->binary.rhs);
1082 fputc (')', config.map_file);
1085 exp_print_tree (tree->trinary.cond);
1086 fputc ('?', config.map_file);
1087 exp_print_tree (tree->trinary.lhs);
1088 fputc (':', config.map_file);
1089 exp_print_tree (tree->trinary.rhs);
1092 exp_print_token (tree->unary.type.node_code, FALSE);
1093 if (tree->unary.child)
1095 fprintf (config.map_file, " (");
1096 exp_print_tree (tree->unary.child);
1097 fputc (')', config.map_file);
1102 fprintf (config.map_file, "ASSERT (");
1103 exp_print_tree (tree->assert_s.child);
1104 fprintf (config.map_file, ", %s)", tree->assert_s.message);
1108 if (tree->type.node_code == NAME)
1109 fputs (tree->name.name, config.map_file);
1112 exp_print_token (tree->type.node_code, FALSE);
1113 if (tree->name.name)
1114 fprintf (config.map_file, " (%s)", tree->name.name);
1124 exp_get_vma (etree_type *tree, bfd_vma def, char *name)
1128 exp_fold_tree_no_dot (tree);
1129 if (expld.result.valid_p)
1130 return expld.result.value;
1131 else if (name != NULL && expld.phase != lang_mark_phase_enum)
1132 einfo (_("%F%S: nonconstant expression for %s\n"), name);
1138 exp_get_value_int (etree_type *tree, int def, char *name)
1140 return exp_get_vma (tree, def, name);
1144 exp_get_fill (etree_type *tree, fill_type *def, char *name)
1153 exp_fold_tree_no_dot (tree);
1154 if (!expld.result.valid_p)
1156 if (name != NULL && expld.phase != lang_mark_phase_enum)
1157 einfo (_("%F%S: nonconstant expression for %s\n"), name);
1161 if (expld.result.str != NULL && (len = strlen (expld.result.str)) != 0)
1165 fill = (fill_type *) xmalloc ((len + 1) / 2 + sizeof (*fill) - 1);
1166 fill->size = (len + 1) / 2;
1168 s = (unsigned char *) expld.result.str;
1176 digit = (digit - 'A' + '0' + 10) & 0xf;
1190 fill = (fill_type *) xmalloc (4 + sizeof (*fill) - 1);
1191 val = expld.result.value;
1192 fill->data[0] = (val >> 24) & 0xff;
1193 fill->data[1] = (val >> 16) & 0xff;
1194 fill->data[2] = (val >> 8) & 0xff;
1195 fill->data[3] = (val >> 0) & 0xff;
1202 exp_get_abs_int (etree_type *tree, int def, char *name)
1206 exp_fold_tree_no_dot (tree);
1208 if (expld.result.valid_p)
1210 if (expld.result.section != NULL)
1211 expld.result.value += expld.result.section->vma;
1212 return expld.result.value;
1214 else if (name != NULL && expld.phase != lang_mark_phase_enum)
1216 lineno = tree->type.lineno;
1217 einfo (_("%F%S: nonconstant expression for %s\n"), name);
1224 align_n (bfd_vma value, bfd_vma align)
1229 value = (value + align - 1) / align;
1230 return value * align;