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* ldlex.l (DATA_SEGMENT_ALIGN, DATA_SEGMENT_END): New tokens.

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* ldgram.y (DATA_SEGMENT_ALIGN, DATA_SEGMENT_END): New tokens.
	(exp): Add DATA_SEGMENT_ALIGN (exp, exp) and DATA_SEGMENT_END (exp).
	* ldexp.c (exp_data_seg): New variable.
	(exp_print_token): Handle DATA_SEGMENT_ALIGN and DATA_SEGMENT_END.
	(fold_binary): Handle DATA_SEGMENT_ALIGN.
	(exp_fold_tree): Handle DATA_SEGMENT_END.
	Pass allocation_done when recursing instead of hardcoding
	lang_allocating_phase_enum.
	* ldexp.h (exp_data_seg): New.
	* ldlang.c (lang_size_sections_1): Renamed from lang_size_sections.
	(lang_size_sections): New.
	* ld.texinfo (DATA_SEGMENT_ALIGN, DATA_SEGMENT_END): Document.
	* scripttempl/elf.sc: Use DATA_SEGMENT_ALIGN and DATA_SEGMENT_END
	if COMMONPAGESIZE is defined.
	* emulparams/elf_i386.sh (COMMONPAGESIZE): Set to 4K.
	* emulparams/elf32_sparc.sh (COMMONPAGESIZE): Set to 8K.
	* emulparams/elf64_sparc.sh (COMMONPAGESIZE): Set to 8K.
	* emulparams/elf64alpha.sh (COMMONPAGESIZE): Set to 8K.
	* emulparams/elf64_ia64.sh (COMMONPAGESIZE): Set to 16K for shared
	libraries only.
This commit is contained in:
Jakub Jelinek
2002-02-12 14:50:08 +00:00
parent d2c1cacb1e
commit 2d20f7bf67
13 changed files with 199 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
ld/ldlang.c
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@ -150,6 +150,9 @@ static void lang_check_section_addresses PARAMS ((void));
static void os_region_check
PARAMS ((lang_output_section_statement_type *,
struct memory_region_struct *, etree_type *, bfd_vma));
static bfd_vma lang_size_sections_1
PARAMS ((lang_statement_union_type *, lang_output_section_statement_type *,
lang_statement_union_type **, fill_type, bfd_vma, boolean *));
typedef void (*callback_t) PARAMS ((lang_wild_statement_type *,
struct wildcard_list *,
@ -2823,8 +2826,8 @@ os_region_check (os, region, tree, base)
/* Set the sizes for all the output sections. */
bfd_vma
lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
static bfd_vma
lang_size_sections_1 (s, output_section_statement, prev, fill, dot, relax)
lang_statement_union_type *s;
lang_output_section_statement_type *output_section_statement;
lang_statement_union_type **prev;
@ -2949,8 +2952,8 @@ lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
os->bfd_section->output_offset = 0;
}
lang_size_sections (os->children.head, os, &os->children.head,
os->fill, dot, relax);
lang_size_sections_1 (os->children.head, os, &os->children.head,
os->fill, dot, relax);
/* Put the section within the requested block size, or
align at the block boundary. */
@ -3018,10 +3021,10 @@ lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
break;
case lang_constructors_statement_enum:
dot = lang_size_sections (constructor_list.head,
output_section_statement,
&s->wild_statement.children.head,
fill, dot, relax);
dot = lang_size_sections_1 (constructor_list.head,
output_section_statement,
&s->wild_statement.children.head,
fill, dot, relax);
break;
case lang_data_statement_enum:
@ -3082,10 +3085,10 @@ lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
case lang_wild_statement_enum:
dot = lang_size_sections (s->wild_statement.children.head,
output_section_statement,
&s->wild_statement.children.head,
fill, dot, relax);
dot = lang_size_sections_1 (s->wild_statement.children.head,
output_section_statement,
&s->wild_statement.children.head,
fill, dot, relax);
break;
@ -3180,10 +3183,10 @@ lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
break;
case lang_group_statement_enum:
dot = lang_size_sections (s->group_statement.children.head,
output_section_statement,
&s->group_statement.children.head,
fill, dot, relax);
dot = lang_size_sections_1 (s->group_statement.children.head,
output_section_statement,
&s->group_statement.children.head,
fill, dot, relax);
break;
default:
@ -3199,6 +3202,42 @@ lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
return dot;
}
bfd_vma
lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
lang_statement_union_type *s;
lang_output_section_statement_type *output_section_statement;
lang_statement_union_type **prev;
fill_type fill;
bfd_vma dot;
boolean *relax;
{
bfd_vma result;
exp_data_seg.phase = exp_dataseg_none;
result = lang_size_sections_1 (s, output_section_statement, prev, fill,
dot, relax);
if (exp_data_seg.phase == exp_dataseg_end_seen)
{
/* If DATA_SEGMENT_ALIGN DATA_SEGMENT_END pair was seen, check whether
a page could be saved in the data segment. */
bfd_vma first, last;
first = -exp_data_seg.base & (exp_data_seg.pagesize - 1);
last = exp_data_seg.end & (exp_data_seg.pagesize - 1);
if (first && last
&& ((exp_data_seg.base & ~(exp_data_seg.pagesize - 1))
!= (exp_data_seg.end & ~(exp_data_seg.pagesize - 1)))
&& first + last <= exp_data_seg.pagesize)
{
exp_data_seg.phase = exp_dataseg_adjust;
result = lang_size_sections_1 (s, output_section_statement, prev,
fill, dot, relax);
}
}
return result;
}
bfd_vma
lang_do_assignments (s, output_section_statement, fill, dot)
lang_statement_union_type *s;