Fix long line

[pf3gnuchains/gcc-fork.git] / gcc / lto-streamer.c

diff --git a/gcc/lto-streamer.c b/gcc/lto-streamer.c
index 4060960..dba9d2d 100644 (file)
--- a/gcc/lto-streamer.c
+++ b/gcc/lto-streamer.c
@@ -133,57 +133,45 @@ lto_bitmap_free (bitmap b)
 
 
 /* Get a section name for a particular type or name.  The NAME field
-   is only used if SECTION_TYPE is LTO_section_function_body or
-   LTO_static_initializer.  For all others it is ignored.  The callee
-   of this function is responcible to free the returned name.  */
+   is only used if SECTION_TYPE is LTO_section_function_body. For all
+   others it is ignored.  The callee of this function is responsible
+   to free the returned name.  */
 
 char *
-lto_get_section_name (int section_type, const char *name)
+lto_get_section_name (int section_type, const char *name, struct lto_file_decl_data *f)
 {
-  switch (section_type)
+  const char *add;
+  char post[32];
+  const char *sep;
+
+  if (section_type == LTO_section_function_body)
     {
-    case LTO_section_function_body:
       gcc_assert (name != NULL);
       if (name[0] == '*')
        name++;
-      return concat (LTO_SECTION_NAME_PREFIX, name, NULL);
-
-    case LTO_section_static_initializer:
-      return concat (LTO_SECTION_NAME_PREFIX, ".statics", NULL);
-
-    case LTO_section_symtab:
-      return concat (LTO_SECTION_NAME_PREFIX, ".symtab", NULL);
-
-    case LTO_section_decls:
-      return concat (LTO_SECTION_NAME_PREFIX, ".decls", NULL);
-
-    case LTO_section_cgraph:
-      return concat (LTO_SECTION_NAME_PREFIX, ".cgraph", NULL);
-
-    case LTO_section_varpool:
-      return concat (LTO_SECTION_NAME_PREFIX, ".vars", NULL);
-
-    case LTO_section_refs:
-      return concat (LTO_SECTION_NAME_PREFIX, ".refs", NULL);
-
-    case LTO_section_jump_functions:
-      return concat (LTO_SECTION_NAME_PREFIX, ".jmpfuncs", NULL);
-
-    case LTO_section_ipa_pure_const:
-      return concat (LTO_SECTION_NAME_PREFIX, ".pureconst", NULL);
-
-    case LTO_section_ipa_reference:
-      return concat (LTO_SECTION_NAME_PREFIX, ".reference", NULL);
+      add = name;
+      sep = "";
+    }
+  else if (section_type < LTO_N_SECTION_TYPES)
+    {
+      add = lto_section_name[section_type];
+      sep = ".";
+    }
+  else
+    internal_error ("bytecode stream: unexpected LTO section %s", name);
 
-    case LTO_section_opts:
-      return concat (LTO_SECTION_NAME_PREFIX, ".opts", NULL);
+  /* Make the section name unique so that ld -r combining sections
+     doesn't confuse the reader with merged sections.
 
-    case LTO_section_cgraph_opt_sum:
-      return concat (LTO_SECTION_NAME_PREFIX, ".cgraphopt", NULL);
+     For options don't add a ID, the option reader cannot deal with them
+     and merging should be ok here.
 
-    default:
-      internal_error ("bytecode stream: unexpected LTO section %s", name);
-    }
+     XXX: use crc64 to minimize collisions? */
+  if (section_type == LTO_section_opts)
+    strcpy (post, "");
+  else
+    sprintf (post, ".%x", f ? f->id : crc32_string(0, get_random_seed (false)));
+  return concat (LTO_SECTION_NAME_PREFIX, sep, add, post, NULL);
 }
 
 
@@ -315,6 +303,7 @@ check_handled_ts_structures (void)
   handled_p[TS_OMP_CLAUSE] = true;
   handled_p[TS_OPTIMIZATION] = true;
   handled_p[TS_TARGET_OPTION] = true;
+  handled_p[TS_TRANSLATION_UNIT_DECL] = true;
 
   /* Anything not marked above will trigger the following assertion.
      If this assertion triggers, it means that there is a new TS_*
@@ -536,7 +525,8 @@ lto_record_common_node (tree *nodep, VEC(tree, heap) **common_nodes,
     {
       /* Type merging will get confused by the canonical types as they
         are set by the middle-end.  */
-      TYPE_CANONICAL (node) = NULL_TREE;
+      if (in_lto_p)
+       TYPE_CANONICAL (node) = NULL_TREE;
       *nodep = node = gimple_register_type (node);
     }
 
@@ -655,7 +645,7 @@ lto_streamer_cache_create (void)
      unnecessarily.  */
   common_nodes = lto_get_common_nodes ();
 
-  for (i = 0; VEC_iterate (tree, common_nodes, i, node); i++)
+  FOR_EACH_VEC_ELT (tree, common_nodes, i, node)
     preload_common_node (cache, node);
 
   VEC_free(tree, heap, common_nodes);