Add option to objdump/readelf to disable access to debuginfod servers.

	* dwarf.c (use_debuginfod): New variable.  Set to 1.
	(load_separate_debug_info): Only call
	debuginfod_fetch_separate_debug_info is use_debuginfod is true.
	(dwarf_select_sections_by_names): Add do-not-use-debuginfod and
	use-debuginfod options.
	(dwarf_select_sections_by_letters): Add D and E options.
	* dwarf.h (use_debuginfod): New extern.
	* objdump.c (usage): Mention the new options.
	* readelf.c (usage): Likewise.
	* doc/binutils.texi: Document the new options.
	* doc/debug-options.texi: Describe the new options.
	* NEWS: Mention the new feature.
	* testsuite/binutils-all/debuginfod.exp: Add tests of the new
	options.

1 files changed, 13 insertions, 1 deletions

diff --git a/binutils/testsuite/binutils-all/debuginfod.exp b/binutils/testsuite/binutils-all/debuginfod.exp
index 96543b2..f5935ad 100644
--- a/binutils/testsuite/binutils-all/debuginfod.exp
+++ b/binutils/testsuite/binutils-all/debuginfod.exp
@@ -185,8 +185,14 @@ proc test_fetch_debugaltlink { prog progargs } {
 }
 
 if { [regexp ".*DEBUGINFOD.*" $conf_objdump] } {
-    test_fetch_debuglink $OBJDUMP "-W"
+    test_fetch_debuglink $OBJDUMP "-W -WD"
     test_fetch_debugaltlink $OBJDUMP "-Wk"
+
+    set test "disabling debuginfod access"
+    setup_xfail *-*-*
+    test_fetch_debuglink $OBJDUMP "-W -WE"
+    set test "debuginfod"
+
 } else {
     untested "$test (objdump not configured with debuginfod)"
 }
@@ -194,6 +200,12 @@ if { [regexp ".*DEBUGINFOD.*" $conf_objdump] } {
 if { [regexp ".*DEBUGINFOD.*" $conf_readelf] } {
     test_fetch_debuglink $READELF "-w"
     test_fetch_debugaltlink $READELF "-wk"
+
+    set test "disabling debuginfod access"
+    setup_xfail *-*-*
+    test_fetch_debuglink $READELF "-w -wE"
+    set test "debuginfod"
+
 } else {
     untested "$test (readelf not configured with debuginfod)"
 }