* readsyms.cc (Read_symbols::incompatible_warning): New function.

	(Read_symbols::requeue): New function.
	(Read_symbols::do_read_symbols): If make_elf_object fails because
	the target type is not configured, and the file was searched for,
	issue a warning and retry with the next directory.
	(Add_symbols::run): If the file has an incompatible format, and
	it was searched for, requeue the Read_symbols task.  On error,
	release the object.
	* readsyms.h (class Read_symbols): Add dirindex_ field.  Add
	dirindex parameter to constructor.  Change all callers.  Declare
	incompatible_warning and requeue.
	(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
	input_argument_ and input_group_ fields.  Add them to
	constructor.  Change all callers.
	(class Read_script): Add dirindex_ field.  Add it to constructor.
	Change all callers.
	* archive.cc (Archive::setup): Remove input_objects parameter.
	Change all callers.
	(Archive::get_file_and_offset): Likewise.
	(Archive::read_all_symbols): Likewise.
	(Archive::read_symbols): Likewise.
	(Archive::get_elf_object_for_member): Remove input_objects
	parameter.  Add punconfigured parameter.  Change all callers.
	(Archive::add_symbols): Change return type to bool.  Check return
	value of include_member.
	(Archive::include_all_members): Likewise.
	(Archive::include_member): Change return type to bool.  Return
	false if first included object has incompatible target.  Set
	included_member_ field.
	(Add_archive_symbols::run): If add_symbols returns false, requeue
	Read_symbols task.
	* archive.h (class Archive): Add included_member_ field.
	Initialize it in constructor.  Add input_file and searched_for
	methods.  Update declarations.
	(class Add_archive_symbols): Add dirpath_, dirindex_, and
	input_argument_ fields.  Add them to constructor.  Change all
	callers.
	* script.cc: Include "target-select.h".
	(class Parser_closure): Add skip_on_incompatible_target_ and
	found_incompatible_target_ fields.  Add
	skip_on_incompatible_target parameter to constructor.  Change all
	callers.  Add methods skip_on_incompatible_target,
	clear_skip_on_incompatible_target, found_incompatible_target, and
	set_found_incompatible_target.
	(read_input_script): Add dirindex parameter.  Change all callers.
	If parser finds an incompatible target, requeue Read_symbols
	task.
	(script_set_symbol): Clear skip_on_incompatible_target in
	closure.
	(script_add_assertion, script_parse_option): Likewise.
	(script_start_sections, script_add_phdr): Likewise.
	(script_check_output_format): New function.
	* script.h (read_input_script): Update declaration.
	* script-c.h (script_check_output_format): Declare.
	* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
	(ignore_cmd): Remove OUTPUT_FORMAT.
	* fileread.cc (Input_file::Input_file): Add explicit this.
	(Input_file::will_search_for): New function.
	(Input_file::open): Add pindex parameter.  Change all callers.
	* fileread.h (class Input_file): Add input_file_argument method.
	Declare will_search_for.  Update declarations.
	* object.cc (make_elf_object): Add punconfigured parameter.
	Change all callers.
	* object.h (class Object): Make input_file public.  Add
	searched_for method.
	(make_elf_object): Update declaration.
	* dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
	restart search.
	* dirsearch.h (class Dirsearch): Update declaration.
	* options.h (class General_options): Add --warn-search-mismatch.
	* parameters.cc (Parameters::is_compatible_target): New function.
	* parameters.h (class Parameters): Declare is_compatible_target.
	* workqueue.cc (Workqueue::add_blocker): New function.
	* workqueue.h (class Workqueue): Declare add_blocker.

1 files changed, 29 insertions, 13 deletions

diff --git a/gold/object.cc b/gold/object.cc
index 9cea076..d1e1672 100644
--- a/gold/object.cc
+++ b/gold/object.cc
@@ -2104,8 +2104,12 @@ namespace gold
 
 Object*
 make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
-		const unsigned char* p, section_offset_type bytes)
+		const unsigned char* p, section_offset_type bytes,
+		bool* punconfigured)
 {
+  if (punconfigured != NULL)
+    *punconfigured = false;
+
   if (bytes < elfcpp::EI_NIDENT)
     {
       gold_error(_("%s: ELF file too short"), name.c_str());
@@ -2164,9 +2168,12 @@ make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
 	  return make_elf_sized_object<32, true>(name, input_file,
 						 offset, ehdr);
 #else
-          gold_error(_("%s: not configured to support "
-		       "32-bit big-endian object"),
-		     name.c_str());
+	  if (punconfigured != NULL)
+	    *punconfigured = true;
+	  else
+	    gold_error(_("%s: not configured to support "
+			 "32-bit big-endian object"),
+		       name.c_str());
 	  return NULL;
 #endif
 	}
@@ -2177,9 +2184,12 @@ make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
 	  return make_elf_sized_object<32, false>(name, input_file,
 						  offset, ehdr);
 #else
-          gold_error(_("%s: not configured to support "
-		       "32-bit little-endian object"),
-		     name.c_str());
+	  if (punconfigured != NULL)
+	    *punconfigured = true;
+	  else
+	    gold_error(_("%s: not configured to support "
+			 "32-bit little-endian object"),
+		       name.c_str());
 	  return NULL;
 #endif
 	}
@@ -2198,9 +2208,12 @@ make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
 	  return make_elf_sized_object<64, true>(name, input_file,
 						 offset, ehdr);
 #else
-          gold_error(_("%s: not configured to support "
-		       "64-bit big-endian object"),
-		     name.c_str());
+	  if (punconfigured != NULL)
+	    *punconfigured = true;
+	  else
+	    gold_error(_("%s: not configured to support "
+			 "64-bit big-endian object"),
+		       name.c_str());
 	  return NULL;
 #endif
 	}
@@ -2211,9 +2224,12 @@ make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
 	  return make_elf_sized_object<64, false>(name, input_file,
 						  offset, ehdr);
 #else
-          gold_error(_("%s: not configured to support "
-		       "64-bit little-endian object"),
-		     name.c_str());
+	  if (punconfigured != NULL)
+	    *punconfigured = true;
+	  else
+	    gold_error(_("%s: not configured to support "
+			 "64-bit little-endian object"),
+		       name.c_str());
 	  return NULL;
 #endif
 	}