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* ldlang.h (struct lang_output_section_state): Change processed

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field's type.
	* ldexp.c (check, invalid): Remove.
	(fold_name): Move valid_p assignments. Create undefined symbol
	when needed. Directly exampine section's processd flag.
	* ldlang.c (lang_output_section_statement_lookup): Adjust
	processed field init.
	(lang_size_sections_1): Allow LOADADDR when determining section's
	VMA. Adjust error message. Fold data statement's expr.
	(lang_size_sections): Correctly increment lang_statement_iteration.

	* ld-scripts/provide.exp: New.
	* ld-scripts/provide-{1,2,3}.{s,t,d}.exp: New.

	* ldexp.c (fold_tree): Follow indirect symbols.
This commit is contained in:
Nathan Sidwell
2004-02-23 10:10:02 +00:00
parent 33ed461333
commit 1b49374200
15 changed files with 153 additions and 61 deletions
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15
ld/ldlang.c
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@ -622,7 +622,7 @@ lang_output_section_statement_lookup (const char *const name)
lookup->next = NULL;
lookup->bfd_section = NULL;
lookup->processed = FALSE;
lookup->processed = 0;
lookup->sectype = normal_section;
lookup->addr_tree = NULL;
lang_list_init (&lookup->children);
@ -2984,12 +2984,15 @@ lang_size_sections_1
{
etree_value_type r;
os->processed = -1;
r = exp_fold_tree (os->addr_tree,
abs_output_section,
lang_allocating_phase_enum,
dot, &dot);
os->processed = 0;
if (!r.valid_p)
einfo (_("%F%S: non constant address expression for section %s\n"),
einfo (_("%F%S: non constant or forward reference address expression for section %s\n"),
os->name);
dot = r.value + r.section->bfd_section->vma;
@ -3027,7 +3030,7 @@ lang_size_sections_1
= TO_SIZE (after - os->bfd_section->vma);
dot = os->bfd_section->vma + TO_ADDR (os->bfd_section->_raw_size);
os->processed = TRUE;
os->processed = 1;
if (os->update_dot_tree != 0)
exp_fold_tree (os->update_dot_tree, abs_output_section,
@ -3089,6 +3092,11 @@ lang_size_sections_1
s->data_statement.output_section =
output_section_statement->bfd_section;
/* We might refer to provided symbols in the expression, and
need to mark them as needed. */
exp_fold_tree (s->data_statement.exp, abs_output_section,
lang_allocating_phase_enum, dot, &dot);
switch (s->data_statement.type)
{
default:
@ -3294,6 +3302,7 @@ lang_size_sections
&& first + last <= exp_data_seg.pagesize)
{
exp_data_seg.phase = exp_dataseg_adjust;
lang_statement_iteration++;
result = lang_size_sections_1 (s, output_section_statement, prev,
fill, dot, relax, check_regions);
}