bfd/

2005-05-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR 797
	* elf32-i386.c (elf_i386_size_dynamic_sections): Also remove
	empty sdynbss section.
	* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise.

ld/

2005-05-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR 797
	* ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and
	take take a bfd_boolean, mark_used. Ignore assert failure if
	mark_used is TRUE.
	(exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE.
	(exp_fold_tree_no_dot): Updated to take a bfd_boolean,
	mark_used and pass down.
	(fold_unary): Likewise.
	(fold_binary): Likewise.
	(fold_trinary): Likewise.
	(exp_binop): Add FALSE to call to exp_fold_tree_no_dot.
	(exp_trinop): Likewise.
	(exp_unop): Likewise.
	(exp_nameop): Likewise.
	(exp_get_vma): Likewise.
	(exp_get_fill): Likewise.
	(exp_get_abs_int): Likewise.
	(fold_name): Likewise. Set SEC_KEEP in output section flags.
	(exp_mark_used_section): New.

	* ldexp.h (exp_mark_used_section): New.

	* ldlang.c (lang_output_section_statement_lookup_1): Set the
	ignored field to FALSE.
	(lang_mark_used_section_1): New.
	(lang_mark_used_section): Call lang_mark_used_section_1.
	(strip_excluded_output_sections): Call lang_mark_used_section
	and check for unused sections.
	(lang_size_sections_1): Skip an output section if it should
	be ignored.
	(lang_do_assignments_1): Likewise.
	(lang_process): Don't call lang_mark_used_section here.

	* ldlang.h (lang_output_section_statement_type): Change
	all_input_readonly to bitfield. Add ignored.

ld/testsuite/

2005-05-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR 797
	* empty-aligned.d: New file.
	* empty-aligned.exp: Likewise.
	* empty-aligned.s: Likewise.
	* empty-aligned.t: Likewise.

4 files changed, 58 insertions, 0 deletions

diff --git a/ld/testsuite/ld-scripts/empty-aligned.d b/ld/testsuite/ld-scripts/empty-aligned.d
new file mode 100644
index 0000000..493a40c
--- /dev/null
+++ b/ld/testsuite/ld-scripts/empty-aligned.d
@@ -0,0 +1,12 @@
+#source: empty-aligned.s
+#ld: -T empty-aligned.t
+#readelf: -l --wide
+
+#...
+Program Headers:
+ +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg +Align
+ +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ [RWE ]+ +0x[0-9a-f]+
+
+ Section to Segment mapping:
+ +Segment Sections\.\.\.
+ +00.*\.text.*\.data.*
diff --git a/ld/testsuite/ld-scripts/empty-aligned.exp b/ld/testsuite/ld-scripts/empty-aligned.exp
new file mode 100644
index 0000000..17820ed
--- /dev/null
+++ b/ld/testsuite/ld-scripts/empty-aligned.exp
@@ -0,0 +1,26 @@
+# Make sure empty aligned sections do not change output layout.
+#   Copyright 2005
+#   Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+
+# PHDRS is only meaningful for ELF.
+if ![is_elf_format] {
+    return
+}
+
+set testname "empty-aligned"
+
+run_dump_test empty-aligned
diff --git a/ld/testsuite/ld-scripts/empty-aligned.s b/ld/testsuite/ld-scripts/empty-aligned.s
new file mode 100644
index 0000000..f386e9e
--- /dev/null
+++ b/ld/testsuite/ld-scripts/empty-aligned.s
@@ -0,0 +1,4 @@
+	.text
+	.long 123
+	.data
+	.long 123
diff --git a/ld/testsuite/ld-scripts/empty-aligned.t b/ld/testsuite/ld-scripts/empty-aligned.t
new file mode 100644
index 0000000..d3036be
--- /dev/null
+++ b/ld/testsuite/ld-scripts/empty-aligned.t
@@ -0,0 +1,16 @@
+SECTIONS
+{
+  .text : { *(.text) }
+  .text2 :
+  {
+    . = ALIGN(4096);
+    *(.text2)
+  }
+  .text3 :
+  {
+    *(.text3)
+    . = ALIGN(4096);
+  }
+  .data : { *(.data) }
+  .bss : { *(.bss) }
+}