Makefile.in (dbxout.o): Depend on ggc.h.

	* Makefile.in (dbxout.o): Depend on ggc.h.
	(dwarf2out.o): Likewise.
	(xcoffout.o): Likewise.
	* dbxout.c: Include ggc.h.
	(dbxout_init): Register lastfile as a root.
	* dwarf2out.c: Include ggc.h.
	(dwarf2out_line): Register lastfile as a root.
	* xcoffout.c: Include ggc.h.
	(xcoffout_source_line): Register xcoff_lastfile as a root.

From-SVN: r30433

gcc/ChangeLog

+Sat Nov  6 09:57:59 1999  Mark Mitchell  <mark@codesourcery.com>
+
+	* Makefile.in (dbxout.o): Depend on ggc.h.
+	(dwarf2out.o): Likewise.
+	(xcoffout.o): Likewise.
+	* dbxout.c: Include ggc.h.
+	(dbxout_init): Register lastfile as a root.
+	* dwarf2out.c: Include ggc.h.
+	(dwarf2out_line): Register lastfile as a root.
+	* xcoffout.c: Include ggc.h.
+	(xcoffout_source_line): Register xcoff_lastfile as a root.
+
 Sat Nov  6 09:52:09 1999  Richard Henderson  <rth@cygnus.com>
 
 	* i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.

gcc/Makefile.in

@@ -1506,7 +1506,7 @@ optabs.o : optabs.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h  \
    toplev.h ggc.h
 dbxout.o : dbxout.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) flags.h $(REGS_H) \
    insn-config.h reload.h gstab.h xcoffout.h defaults.h output.h dbxout.h \
-   toplev.h
+   toplev.h gcc.h
 sdbout.o : sdbout.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) flags.h except.h \
    function.h $(EXPR_H) output.h hard-reg-set.h $(REGS_H) defaults.h real.h \
    insn-config.h $(srcdir)/../include/obstack.h xcoffout.h c-pragma.h \
@@ -1515,9 +1515,10 @@ dwarfout.o : dwarfout.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) dwarf.h \
    flags.h insn-config.h reload.h output.h defaults.h toplev.h dwarfout.h
 dwarf2out.o : dwarf2out.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) dwarf2.h \
    flags.h insn-config.h reload.h output.h defaults.h \
-   hard-reg-set.h $(REGS_H) $(EXPR_H) toplev.h dwarf2out.h dyn-string.h
+   hard-reg-set.h $(REGS_H) $(EXPR_H) toplev.h dwarf2out.h dyn-string.h \
+   ggc.h
 xcoffout.o : xcoffout.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) xcoffout.h \
-   flags.h toplev.h output.h dbxout.h
+   flags.h toplev.h output.h dbxout.h ggc.h
 emit-rtl.o : emit-rtl.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h \
    function.h $(REGS_H) insn-config.h $(RECOG_H) real.h ggc.h \
    $(EXPR_H) $(srcdir)/../include/obstack.h hard-reg-set.h bitmap.h toplev.h

gcc/dbxout.c

@@ -81,6 +81,7 @@ Boston, MA 02111-1307, USA.  */
 #include "dbxout.h"
 #include "toplev.h"
 #include "tm_p.h"
+#include "ggc.h"
 
 #ifdef XCOFF_DEBUGGING_INFO
 #include "xcoffout.h"
@@ -463,6 +464,8 @@ dbxout_init (asm_file, input_file_name, syms)
      and output them all, except for those already output.  */
 
   dbxout_typedefs (syms);
+
+  ggc_add_string_root ((char **) &lastfile, 1);
 }
 
 /* Output any typedef names for types described by TYPE_DECLs in SYMS,

gcc/dwarf2out.c

@@ -44,6 +44,7 @@ Boston, MA 02111-1307, USA.  */
 #include "dwarf2out.h"
 #include "toplev.h"
 #include "dyn-string.h"
+#include "ggc.h"
 
 /* We cannot use <assert.h> in GCC source, since that would include
    GCC's assert.h, which may not be compatible with the host compiler.  */
@@ -9698,6 +9699,9 @@ dwarf2out_line (filename, line)
 	  /* Emit the .file and .loc directives understood by GNU as.  */
 	  if (lastfile == 0 || strcmp (filename, lastfile))
 	    {
+	      if (lastfile == 0)
+		ggc_add_string_root ((char **) &lastfile, 1);
+
 	      fprintf (asm_out_file, "\t.file 0 \"%s\"\n", filename);
 	      lastfile = filename;
 	    }

gcc/xcoffout.c

@@ -31,6 +31,7 @@ Boston, MA 02111-1307, USA.  */
 #include "flags.h"
 #include "toplev.h"
 #include "output.h"
+#include "ggc.h"
 
 #ifdef XCOFF_DEBUGGING_INFO
 
@@ -350,6 +351,9 @@ xcoffout_source_file (file, filename, inline_p)
 	  fprintf (file, "\n");
 	  xcoff_current_include_file = filename;
 	}
+      
+      if (!xcoff_lastfile)
+	ggc_add_root (&xcoff_lastfile, 1);
 
       xcoff_lastfile = filename;
     }