lto-wrapper.c (debug_objcopy): Add rename parameter; pass it down to simple_object_co...

	* lto-wrapper.c (debug_objcopy): Add rename parameter; pass
	it down to simple_object_copy_lto_debug_sections.
	(run_gcc): Determine incremental LTO link time and configure
	lto1 into non-wpa mode, disable renaming of debug sections.

From-SVN: r260961

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3f15eaf..fc908fe 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2018-05-30  Jan Hubicka  <hubicka@ucw.cz>
+
+       * lto-wrapper.c (debug_objcopy): Add rename parameter; pass
+       it down to simple_object_copy_lto_debug_sections.
+       (run_gcc): Determine incremental LTO link time and configure
+       lto1 into non-wpa mode, disable renaming of debug sections.
+
 2018-05-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Remove

diff --git a/gcc/lto-wrapper.c b/gcc/lto-wrapper.c
index 7de58d4..c3eb00d 100644 (file)
--- a/gcc/lto-wrapper.c
+++ b/gcc/lto-wrapper.c
@@ -966,7 +966,7 @@ find_and_merge_options (int fd, off_t file_offset, const char *prefix,
    is returned.  Return NULL on error.  */
 
 const char *
-debug_objcopy (const char *infile)
+debug_objcopy (const char *infile, bool rename)
 {
   const char *outfile;
   const char *errmsg;
@@ -1008,7 +1008,7 @@ debug_objcopy (const char *infile)
     }
 
   outfile = make_temp_file ("debugobjtem");
-  errmsg = simple_object_copy_lto_debug_sections (inobj, outfile, &err);
+  errmsg = simple_object_copy_lto_debug_sections (inobj, outfile, &err, rename);
   if (errmsg)
     {
       unlink_if_ordinary (outfile);
@@ -1056,6 +1056,7 @@ run_gcc (unsigned argc, char *argv[])
   bool have_offload = false;
   unsigned lto_argc = 0, ltoobj_argc = 0;
   char **lto_argv, **ltoobj_argv;
+  bool linker_output_rel = false;
   bool skip_debug = false;
   unsigned n_debugobj;
 
@@ -1108,9 +1109,15 @@ run_gcc (unsigned argc, char *argv[])
          file_offset = (off_t) loffset;
        }
       fd = open (filename, O_RDONLY | O_BINARY);
+      /* Linker plugin passes -fresolution and -flinker-output options.
+        -flinker-output is passed only when user did not specify one and thus
+        we do not need to worry about duplicities with the option handling
+        below. */
       if (fd == -1)
        {
          lto_argv[lto_argc++] = argv[i];
+         if (strcmp (argv[i], "-flinker-output=rel") == 0)
+           linker_output_rel = true;
          continue;
        }
 
@@ -1175,6 +1182,11 @@ run_gcc (unsigned argc, char *argv[])
          lto_mode = LTO_MODE_WHOPR;
          break;
 
+       case OPT_flinker_output_:
+         linker_output_rel = !strcmp (option->arg, "rel");
+         break;
+
+
        default:
          break;
        }
@@ -1191,6 +1203,9 @@ run_gcc (unsigned argc, char *argv[])
       fputc ('\n', stderr);
     }
 
+  if (linker_output_rel)
+    no_partition = true;
+
   if (no_partition)
     {
       lto_mode = LTO_MODE_LTO;
@@ -1435,7 +1450,7 @@ cont1:
     for (i = 0; i < ltoobj_argc; ++i)
       {
        const char *tem;
-       if ((tem = debug_objcopy (ltoobj_argv[i])))
+       if ((tem = debug_objcopy (ltoobj_argv[i], !linker_output_rel)))
          {
            obstack_ptr_grow (&argv_obstack, tem);
            n_debugobj++;