2010-10-26 Tobias Burnus <burnus@net-b.de>

[pf3gnuchains/gcc-fork.git] / gcc / cgraph.h

diff --git a/gcc/cgraph.h b/gcc/cgraph.h
index f77a280..ea95f70 100644 (file)
--- a/gcc/cgraph.h
+++ b/gcc/cgraph.h
@@ -22,6 +22,7 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef GCC_CGRAPH_H
 #define GCC_CGRAPH_H
 
+#include "plugin-api.h"
 #include "vec.h"
 #include "tree.h"
 #include "basic-block.h"
@@ -101,9 +102,6 @@ struct GTY(()) cgraph_local_info {
 
   /* Set when function is visible by other units.  */
   unsigned externally_visible : 1;
-
-  /* Set when resolver determines that function is visible by other units.  */
-  unsigned used_from_object_file : 1;
   
   /* Set once it has been finalized so we consider it to be output.  */
   unsigned finalized : 1;
@@ -229,11 +227,8 @@ struct GTY((chain_next ("%h.next"), chain_prev ("%h.previous"))) cgraph_node {
   /* For functions with many calls sites it holds map from call expression
      to the edge to speed up cgraph_edge function.  */
   htab_t GTY((param_is (struct cgraph_edge))) call_site_hash;
-#ifdef ENABLE_CHECKING
-  /* Declaration node used to be clone of.  Used for checking only. 
-     We must skip it or we get references from release checking GGC files. */
-  tree GTY ((skip)) former_clone_of;
-#endif
+  /* Declaration node used to be clone of. */
+  tree former_clone_of;
 
   PTR GTY ((skip)) aux;
 
@@ -259,6 +254,7 @@ struct GTY((chain_next ("%h.next"), chain_prev ("%h.previous"))) cgraph_node {
   /* unique id for profiling. pid is not suitable because of different
      number of cfg nodes with -fprofile-generate and -fprofile-use */
   int pid;
+  enum ld_plugin_symbol_resolution resolution;
 
   /* Set when function must be output for some reason.  The primary
      use of this flag is to mark functions needed to be output for
@@ -302,6 +298,10 @@ struct GTY((chain_next ("%h.next"), chain_prev ("%h.previous"))) cgraph_node {
   /* How commonly executed the node is.  Initialized during branch
      probabilities pass.  */
   ENUM_BITFIELD (node_frequency) frequency : 2;
+  /* True when function can only be called at startup (from static ctor).  */
+  unsigned only_called_at_startup : 1;
+  /* True when function can only be called at startup (from static dtor).  */
+  unsigned only_called_at_exit : 1;
 };
 
 typedef struct cgraph_node *cgraph_node_ptr;
@@ -476,6 +476,7 @@ struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) varpool_node {
   PTR GTY ((skip)) aux;
   /* Ordering of all cgraph nodes.  */
   int order;
+  enum ld_plugin_symbol_resolution resolution;
 
   /* Set when function must be output - it is externally visible
      or its address is taken.  */
@@ -492,8 +493,6 @@ struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) varpool_node {
   unsigned output : 1;
   /* Set when function is visible by other units.  */
   unsigned externally_visible : 1;
-  /* Set when resolver determines that variable is visible by other units.  */
-  unsigned used_from_object_file : 1;
   /* Set for aliases once they got through assemble_alias.  Also set for
      extra name aliases in varpool_extra_name_alias.  */
   unsigned alias : 1;
@@ -559,11 +558,12 @@ struct cgraph_edge *cgraph_create_edge (struct cgraph_node *,
                                        gimple, gcov_type, int, int);
 struct cgraph_edge *cgraph_create_indirect_edge (struct cgraph_node *, gimple, int,
                                                 gcov_type, int, int);
-struct cgraph_node * cgraph_get_node (tree);
-struct cgraph_node * cgraph_get_node_or_alias (tree);
-struct cgraph_node *cgraph_node (tree);
-bool cgraph_same_body_alias (tree, tree);
-void cgraph_add_thunk (tree, tree, bool, HOST_WIDE_INT, HOST_WIDE_INT, tree, tree);
+struct cgraph_node * cgraph_get_node (const_tree);
+struct cgraph_node * cgraph_get_node_or_alias (const_tree);
+struct cgraph_node * cgraph_node (tree);
+struct cgraph_node * cgraph_same_body_alias (tree, tree);
+struct cgraph_node * cgraph_add_thunk (tree, tree, bool, HOST_WIDE_INT,
+                                      HOST_WIDE_INT, tree, tree);
 void cgraph_remove_same_body_alias (struct cgraph_node *);
 struct cgraph_node *cgraph_node_for_asm (tree);
 struct cgraph_edge *cgraph_edge (struct cgraph_node *, gimple);
@@ -612,6 +612,9 @@ bool cgraph_will_be_removed_from_program_if_no_direct_calls
   (struct cgraph_node *node);
 bool cgraph_can_remove_if_no_direct_calls_and_refs_p
   (struct cgraph_node *node);
+bool resolution_used_from_other_file_p (enum ld_plugin_symbol_resolution resolution);
+bool cgraph_used_from_object_file_p (struct cgraph_node *node);
+bool varpool_used_from_object_file_p (struct varpool_node *node);
 
 /* In cgraphunit.c  */
 extern FILE *cgraph_dump_file;
@@ -716,16 +719,17 @@ void cgraph_make_node_local (struct cgraph_node *);
 bool cgraph_node_can_be_local_p (struct cgraph_node *);
 
 
-struct varpool_node * varpool_get_node (tree decl);
+struct varpool_node * varpool_get_node (const_tree decl);
 void varpool_remove_node (struct varpool_node *node);
 bool varpool_assemble_pending_decls (void);
 bool varpool_assemble_decl (struct varpool_node *node);
 bool varpool_analyze_pending_decls (void);
 void varpool_remove_unreferenced_decls (void);
 void varpool_empty_needed_queue (void);
-bool varpool_extra_name_alias (tree, tree);
+struct varpool_node * varpool_extra_name_alias (tree, tree);
 const char * varpool_node_name (struct varpool_node *node);
 void varpool_reset_queue (void);
+bool const_value_known_p (tree);
 
 /* Walk all reachable static variables.  */
 #define FOR_EACH_STATIC_VARIABLE(node) \