* Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.

	(final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
	(toplev.o): Don't depend on xcoffout.h.
	* c-decl.c: Include debug.h
	(duplicate_decls): Use debug hook.
	* dbxout.c (dbxout_source_file, dbxout_args): Make static.
	(dbx_debug_hooks, xcoff_debug_hooks): Update.
	(dbxout_types): Remove.
	* dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
	* debug.c (do_nothing_debug_hooks): Update.
	(debug_true_tree, debug_nothing_rtx): New.
	* debug.h (struct rtx_def): New.
	(struct gcc_debug_hooks): New hooks ignore_block,
	outlining_inline_function and label.
	(debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
	dwarf2out_frame_finish): New.
	* dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
	Make static, update prototype.
	(dwarf2_debug_hooks): Update.
	* dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
	dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
	* dwarfout.c (dwarf_debug_hooks): Update.
	* emit-rtl.c: Include debug.h.
	(remove_unnecessary_notes): Use debug hook.
	* final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
	(final_scan_insn): Use debug hook.
	* integrate.c (output_inline_function): Use debug hook.
	* sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
	(sdb_debug_hooks): Update.
	* sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
	* toplev.c: Don't include xcoffout.h.
	(note_outlining_of_inline_function, debug_ignore_block): Remove.
	* toplev.h (note_outlining_of_inline_function, debug_ignore_block):
	Remove.
	* tree.h (dwarf2out_do_frame): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44163 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc/debug.h b/gcc/debug.h
index 4a74bee83be..3626ed554e0 100644
--- a/gcc/debug.h
+++ b/gcc/debug.h
@@ -19,6 +19,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define GCC_DEBUG_H
 
 union tree_node;
+struct rtx_def;
 
 /* This structure contains hooks for the debug information output
    functions, accessed through the global instance debug_hooks set in
@@ -53,6 +54,13 @@ struct gcc_debug_hooks
   /* Record the end of a block.  Arguments as for begin_block.  */
   void (* end_block) PARAMS ((unsigned int line, unsigned int n));
 
+  /* Returns nonzero if it is appropriate not to emit any debugging
+     information for BLOCK, because it doesn't contain any
+     instructions.  This may not be the case for blocks containing
+     nested functions, since we may actually call such a function even
+     though the BLOCK information is messed up.  Defaults to true.  */
+  bool (* ignore_block) PARAMS ((union tree_node *));
+
   /* Record a source file location at (FILE, LINE).  */
   void (* source_line) PARAMS ((unsigned int line, const char *file));
 
@@ -87,6 +95,15 @@ struct gcc_debug_hooks
   /* DECL is an inline function, whose body is present, but which is
      not being output at this point.  */
   void (* deferred_inline_function) PARAMS ((union tree_node *decl));
+
+  /* DECL is an inline function which is about to be emitted out of
+     line.  The hook is useful to, e.g., emit abstract debug info for
+     the inline before it gets mangled by optimization.  */
+  void (* outlining_inline_function) PARAMS ((union tree_node *decl));
+
+  /* Called from final_scan_insn for any CODE_LABEL insn whose
+     LABEL_NAME is non-null.  */
+  void (* label) PARAMS ((struct rtx_def *insn));
 };
 
 extern struct gcc_debug_hooks *debug_hooks;
@@ -104,6 +121,10 @@ extern void debug_nothing_int_int
   PARAMS ((unsigned int, unsigned int));
 extern void debug_nothing_tree
   PARAMS ((union tree_node *));
+extern bool debug_true_tree
+  PARAMS ((union tree_node *));
+extern void debug_nothing_rtx
+  PARAMS ((struct rtx_def *));
 
 /* Hooks for various debug formats.  */
 extern struct gcc_debug_hooks do_nothing_debug_hooks;
@@ -121,5 +142,13 @@ extern void dwarf2out_begin_prologue
   PARAMS ((unsigned int, const char * file));
 extern void dwarf2out_end_epilogue
   PARAMS ((void));
+extern void dwarf2out_frame_init
+  PARAMS ((void));
+extern void dwarf2out_frame_finish
+  PARAMS ((void));
+/* Decide whether we want to emit frame unwind information for the current
+   translation unit.  */
+extern int dwarf2out_do_frame
+  PARAMS ((void));
 
 #endif /* !GCC_DEBUG_H  */