bfd/

	* bfd-in.h (bfd_elf_size_dynamic_sections): Add audit and depaudit
	arguments.
	* elflink.c (bfd_elf_size_dynamic_sections): Generate DT_AUDIT,
	DT_DEPAUDIT from audit/depaudit arguments.
	(elf_finalize_dynstr): Finalize DT_AUDIT and DT_DEPAUDIT strtab entries.
	(elf_link_add_object_symbols): Set dt_audit target data when finding a
	DT_AUDIT.
	* bfd-in2.h: Regenerate.
	* bfd-elf.h: Add dt_audit to elf_obj_tdata, and elf_dt_audit macro.
ld/
	* emultempl/elf32.em (gld${EMULATION_NAME}_add_options): Add --audit,
	--depaudit, and -P options.
	(gld${EULATION_NAME}_handle_options): Ditto.
	(gld${EULATION_NAME}_list_options): Ditto.
	(gld${EMULATION_NAME}_append_to_separated_string): New function for
	handling rpath-like colon separated strings.
	(gld${EMULATION_NAME}_before_allocation): Pass the audit and depaudit
	libs to bfd.  Propagate DT_AUDIT from needed libs to depaudit.
	* ld.texinfo: Document new options.
ld/testsuite/
	* ld-elf/audit.exp: New.
	* ld-elf/audit.rd: New.
	* ld-elf/depaudit.rd: New.
	* ld-elf/depaudit2.rd: New.

4 files changed, 74 insertions, 0 deletions

diff --git a/ld/testsuite/ld-elf/audit.exp b/ld/testsuite/ld-elf/audit.exp
new file mode 100644
index 0000000..407c61a
--- /dev/null
+++ b/ld/testsuite/ld-elf/audit.exp
@@ -0,0 +1,65 @@
+# Expect script for various ELF tests.
+#   Copyright 2009 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program 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 3 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.
+#
+
+# Exclude non-ELF targets.
+
+if ![is_elf_format] {
+    return
+}
+
+# The following tests require running the executable generated by ld.
+if ![isnative] {
+    return
+}
+
+# Check if compiler works
+if { [which $CC] == 0 } {
+    return
+}
+
+set build_tests {
+  {"Run with -paudit.so"
+     "-Wl,--audit=tmpdir/audit.so" ""
+     {main.c} {{"readelf" {-d} "audit.rd"}} "audit.out"}
+  {"Run with -Paudit.so"
+     "-Wl,-Ptmpdir/audit.so" ""
+     {main.c} {{"readelf" {-d} "depaudit.rd"}} "depaudit.out"}
+  {"Run with --depaudit=audit.so"
+     "-Wl,--depaudit=tmpdir/audit.so" ""
+     {main.c} {{"readelf" {-d} "depaudit.rd"}} "depaudit2.out"}
+  {"Run with shared with --audit"
+     "-shared -Wl,--audit=tmpdir/audit.so" "-fPIC"
+     {main.c} {} "libusesaudit.so"}
+  {"Run with shared with --audit"
+     "-shared -Wl,--audit=tmpdir/audit.so -Wl,--audit=tmpdir/audit2.so \
+     -Wl,--audit=tmpdir/audit3.so"
+     "-fPIC"
+     {main.c} {} "libusesaudit2.so"}
+  {"Run with -lusesaudit"
+     "-Ltmpdir/ -lusesaudit" ""
+     {main.c} {{"readelf" {-d} "depaudit.rd"}} "useslibusesaudit.out"}
+  {"Run with -lusesaudit -lusesaudit2"
+     "-Ltmpdir/ -lusesaudit -lusesaudit2" ""
+     {main.c} {{"readelf" {-d} "depaudit2.rd"}} "useslibusesaudit2.out"}
+}
+
+run_cc_link_tests $build_tests
+
diff --git a/ld/testsuite/ld-elf/audit.rd b/ld/testsuite/ld-elf/audit.rd
new file mode 100644
index 0000000..fd3b941
--- /dev/null
+++ b/ld/testsuite/ld-elf/audit.rd
@@ -0,0 +1,3 @@
+#...
+.*Audit library: \[tmpdir/audit.so\].*
+#pass
diff --git a/ld/testsuite/ld-elf/depaudit.rd b/ld/testsuite/ld-elf/depaudit.rd
new file mode 100644
index 0000000..98a2692
--- /dev/null
+++ b/ld/testsuite/ld-elf/depaudit.rd
@@ -0,0 +1,3 @@
+#...
+.*Dependency audit library: \[tmpdir/audit.so\].*
+#pass
diff --git a/ld/testsuite/ld-elf/depaudit2.rd b/ld/testsuite/ld-elf/depaudit2.rd
new file mode 100644
index 0000000..3554416
--- /dev/null
+++ b/ld/testsuite/ld-elf/depaudit2.rd
@@ -0,0 +1,3 @@
+#...
+.*Dependency audit library: \[tmpdir/audit.so:tmpdir/audit2.so:tmpdir/audit3.so\].*
+#pass