2011-07-13 Sriraman Tallam <tmsriram@google.com>

	* plugin-api.h
	(ld_plugin_section): New struct.
	(ld_plugin_get_section_count): New typedef.
	(ld_plugin_get_section_type): New typedef.
	(ld_plugin_get_section_name): New typedef.
	(ld_plugin_get_section_contents): New typedef.
	(ld_plugin_update_section_order): New typedef.
	(ld_plugin_allow_section_ordering): New typedef.
	(LDPT_GET_SECTION_COUNT): New enum value.
	(LDPT_GET_SECTION_TYPE): New enum value.
	(LDPT_GET_SECTION_NAME): New enum value.
	(LDPT_GET_SECTION_CONTENTS): New enum value.
	(LDPT_UPDATE_SECTION_ORDER): New enum value.
	(LDPT_ALLOW_SECTION_ORDERING): New enum value.
	(tv_get_section_count): New struct members.
	(tv_get_section_type): New struct members.
	(tv_get_section_name): New struct members.
	(tv_get_section_contents): New struct members.
	(tv_update_section_order): New struct members.
	(tv_allow_section_ordering): New struct members.
	* archive.cc (Archive::get_elf_object_for_member): Add extra parameter
	to claim_file call.
	* layout.cc (Layout::Layout): Initialize section_ordering_specified_,
	input_section_position_, and input_section_glob_.
	(read_layout_from_file): Call function section_ordering_specified.
	* layout.h (is_section_ordering_specified): New function.
	(section_ordering_specified): New function.
	(section_ordering_specified_): New boolean member.
	* main.cc(main): Call load_plugins after layout object is defined.
	* output.cc (Output_section::add_input_section): Use
	function section_ordering_specified to check if section ordering is
	needed.
	* output.cc (Output_section::add_relaxed_input_section): Use
	function section_ordering_specified to check if section ordering is
	needed.
	(Output_section::update_section_layout): New function.
	(Output_section::sort_attached_input_sections): Check if input section
	must be reordered.
	* output.h (Output_section::update_section_layout): New function.
	* plugin.cc (get_section_count): New function.
	(get_section_type): New function.
	(get_section_name): New function.
	(get_section_contents): New function.
	(update_section_order): New function.
	(allow_section_ordering): New function.
	(Plugin::load): Add the new interfaces to the transfer vector.
	(Plugin_manager::load_plugins): New parameter.
	(Plugin_manager::all_symbols_read): New parameter.
	(Plugin_manager::claim_file): New parameter. Save the elf object for
	unclaimed objects.
	(Plugin_manager::get_elf_object): New function.
	(Plugin_manager::get_view): Change to directly use the bool to check
	if get_view is called from claim_file_hook.
	* plugin.h (input_objects): New function
	(Plugin__manager::load_plugins): New parameter.
	(Plugin_manager::claim_file): New parameter.
	(Plugin_manager::get_elf_object): New function.
	(Plugin_manager::in_claim_file_handler): New function.
	(Plugin_manager::in_claim_file_handler_): New member.
	(layout): New function.
	* readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
	handler with an extra parameter. Make the elf object before calling
	claim_file handler.
	* testsuite/plugin_test.c (get_section_count): New function pointer.
	(get_section_type): New function pointer.
	(get_section_name): New function pointer.
	(get_section_contents): New function pointer.
	(update_section_order): New function pointer.
	(allow_section_ordering): New function pointer.
	(onload): Check if the new interfaces exist.

1 files changed, 60 insertions, 0 deletions

diff --git a/gold/testsuite/plugin_test.c b/gold/testsuite/plugin_test.c
index 9d095e88244..619a160ba78 100644
--- a/gold/testsuite/plugin_test.c
+++ b/gold/testsuite/plugin_test.c
@@ -60,6 +60,12 @@ static ld_plugin_add_input_file add_input_file = NULL;
 static ld_plugin_message message = NULL;
 static ld_plugin_get_input_file get_input_file = NULL;
 static ld_plugin_release_input_file release_input_file = NULL;
+static ld_plugin_get_input_section_count get_input_section_count = NULL;
+static ld_plugin_get_input_section_type get_input_section_type = NULL;
+static ld_plugin_get_input_section_name get_input_section_name = NULL;
+static ld_plugin_get_input_section_contents get_input_section_contents = NULL;
+static ld_plugin_update_section_order update_section_order = NULL;
+static ld_plugin_allow_section_ordering allow_section_ordering = NULL;
 
 #define MAXOPTS 10
 
@@ -126,6 +132,24 @@ onload(struct ld_plugin_tv *tv)
         case LDPT_RELEASE_INPUT_FILE:
           release_input_file = entry->tv_u.tv_release_input_file;
           break;
+        case LDPT_GET_INPUT_SECTION_COUNT:
+          get_input_section_count = *entry->tv_u.tv_get_input_section_count;
+          break;
+        case LDPT_GET_INPUT_SECTION_TYPE:
+          get_input_section_type = *entry->tv_u.tv_get_input_section_type;
+          break;
+        case LDPT_GET_INPUT_SECTION_NAME:
+          get_input_section_name = *entry->tv_u.tv_get_input_section_name;
+          break;
+        case LDPT_GET_INPUT_SECTION_CONTENTS:
+          get_input_section_contents = *entry->tv_u.tv_get_input_section_contents;
+          break;
+	case LDPT_UPDATE_SECTION_ORDER:
+	  update_section_order = *entry->tv_u.tv_update_section_order;
+	  break;
+	case LDPT_ALLOW_SECTION_ORDERING:
+	  allow_section_ordering = *entry->tv_u.tv_allow_section_ordering;
+	  break;
         default:
           break;
         }
@@ -179,6 +203,42 @@ onload(struct ld_plugin_tv *tv)
       return LDPS_ERR;
     }
 
+  if (get_input_section_count == NULL)
+    {
+      fprintf(stderr, "tv_get_input_section_count interface missing\n");
+      return LDPS_ERR;
+    }
+
+  if (get_input_section_type == NULL)
+    {
+      fprintf(stderr, "tv_get_input_section_type interface missing\n");
+      return LDPS_ERR;
+    }
+
+  if (get_input_section_name == NULL)
+    {
+      fprintf(stderr, "tv_get_input_section_name interface missing\n");
+      return LDPS_ERR;
+    }
+
+  if (get_input_section_contents == NULL)
+    {
+      fprintf(stderr, "tv_get_input_section_contents interface missing\n");
+      return LDPS_ERR;
+    }
+
+  if (update_section_order == NULL)
+    {
+      fprintf(stderr, "tv_update_section_order interface missing\n");
+      return LDPS_ERR;
+    }
+
+  if (allow_section_ordering == NULL)
+    {
+      fprintf(stderr, "tv_allow_section_ordering interface missing\n");
+      return LDPS_ERR;
+    }
+
   return LDPS_OK;
 }