Change inferior thread list to be a thread map

[deliverable/binutils-gdb.git] / gas / subsegs.c

diff --git a/gas/subsegs.c b/gas/subsegs.c
index 0a2cf561ef28a6000031dd9200e35a3069b8b45d..d438a10c696fee1511a34ed7ce96425c09744313 100644 (file)
--- a/gas/subsegs.c
+++ b/gas/subsegs.c
@@ -1,7 +1,5 @@
 /* subsegs.c - subsegments -
-   Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1987-2019 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -57,7 +55,7 @@ subsegs_begin (void)
  * segment context correct.
  */
 void
-subseg_change (register segT seg, register int subseg)
+subseg_change (segT seg, int subseg)
 {
   segment_info_type *seginfo = seg_info (seg);
   now_seg = seg;
@@ -65,9 +63,9 @@ subseg_change (register segT seg, register int subseg)
 
   if (! seginfo)
     {
-      seginfo = xcalloc (1, sizeof (*seginfo));
+      seginfo = XCNEW (segment_info_type);
       seginfo->bfd_section = seg;
-      bfd_set_section_userdata (stdoutput, seg, seginfo);
+      bfd_set_section_userdata (seg, seginfo);
     }
 }
 \f
@@ -103,7 +101,7 @@ subseg_set_rest (segT seg, subsegT subseg)
     {
       /* This should be the only code that creates a frchainS.  */
 
-      newP = obstack_alloc (&frchains, sizeof (frchainS));
+      newP = (frchainS *) obstack_alloc (&frchains, sizeof (frchainS));
       newP->frch_subseg = subseg;
       newP->fix_root = NULL;
       newP->fix_tail = NULL;
@@ -148,9 +146,7 @@ subseg_get (const char *segname, int force_new)
 {
   segT secptr;
   segment_info_type *seginfo;
-  const char *now_seg_name = (now_seg
-                             ? bfd_get_section_name (stdoutput, now_seg)
-                             : 0);
+  const char *now_seg_name = now_seg ? bfd_section_name (now_seg) : 0;
 
   if (!force_new
       && now_seg_name
@@ -167,9 +163,9 @@ subseg_get (const char *segname, int force_new)
   if (! seginfo)
     {
       secptr->output_section = secptr;
-      seginfo = xcalloc (1, sizeof (*seginfo));
+      seginfo = XCNEW (segment_info_type);
       seginfo->bfd_section = secptr;
-      bfd_set_section_userdata (stdoutput, secptr, seginfo);
+      bfd_set_section_userdata (secptr, seginfo);
     }
   return secptr;
 }
@@ -262,7 +258,7 @@ section_symbol (segT sec)
 int
 subseg_text_p (segT sec)
 {
-  return (bfd_get_section_flags (stdoutput, sec) & SEC_CODE) != 0;
+  return (bfd_section_flags (sec) & SEC_CODE) != 0;
 }
 
 /* Return non zero if SEC has at least one byte of data.  It is
@@ -280,7 +276,7 @@ seg_not_empty_p (segT sec ATTRIBUTE_UNUSED)
 
   if (!seginfo)
     return 0;
-  
+
   for (chain = seginfo->frchainP; chain; chain = chain->frch_next)
     {
       for (frag = chain->frch_root; frag; frag = frag->fr_next)
@@ -299,6 +295,10 @@ subsegs_print_statistics (FILE *file)
   frchainS *frchp;
   asection *s;
 
+  /* PR 20897 - check to see if the output bfd was actually created.  */
+  if (stdoutput == NULL)
+    return;
+
   fprintf (file, "frag chains:\n");
   for (s = stdoutput->sections; s; s = s->next)
     {