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Re: [patch] Assertion for a regression by gdb_bfd_unref


On Mon, 10 Aug 2009 22:10:21 +0200, Tom Tromey wrote:
> >>>>> "Jan" == Jan Kratochvil <jan.kratochvil@redhat.com> writes:
> 
> Jan> 2009-08-09  Jan Kratochvil  <jan.kratochvil@redhat.com>
> Jan> 	* objfiles.c (gdb_bfd_unref): Use the bfd_usrdata accessor.
> Jan> 	* solib.c (symbol_add_stub): Likewise.
> Jan> 	* symfile.c (symfile_bfd_open): Assert BFD_USRDATA is NULL.
> 
> This is ok, thanks.

Checked-in:
	http://sourceware.org/ml/gdb-cvs/2009-08/msg00055.html

The binutils go32-target patches are now also checked-in:
	http://sourceware.org/ml/binutils/2009-08/threads.html#00155


Thanks,
Jan


--- src/gdb/ChangeLog	2009/08/10 20:14:13	1.10794
+++ src/gdb/ChangeLog	2009/08/10 22:09:22	1.10795
@@ -1,3 +1,9 @@
+2009-08-10  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* objfiles.c (gdb_bfd_unref): Use the bfd_usrdata accessor.
+	* solib.c (symbol_add_stub): Likewise.
+	* symfile.c (symfile_bfd_open): Assert BFD_USRDATA is NULL.
+
 2009-08-10  Paul Pluzhnikov  <ppluzhnikov@google.com>
 
 	* objfiles.c (qsort_cmp): Remove assert.
--- src/gdb/objfiles.c	2009/08/10 20:14:14	1.90
+++ src/gdb/objfiles.c	2009/08/10 22:09:22	1.91
@@ -1070,7 +1070,7 @@
   if (abfd == NULL)
     return;
 
-  p_refcount = abfd->usrdata;
+  p_refcount = bfd_usrdata (abfd);
 
   /* Valid range for p_refcount: NULL (single owner), or a pointer
      to int counter, which has a value of 1 (single owner) or 2 (shared).  */
@@ -1083,7 +1083,7 @@
 	return;
     }
   xfree (p_refcount);
-  abfd->usrdata = NULL;  /* Paranoia.  */
+  bfd_usrdata (abfd) = NULL;  /* Paranoia.  */
 
   name = bfd_get_filename (abfd);
   if (!bfd_close (abfd))
--- src/gdb/solib.c	2009/08/04 18:46:05	1.123
+++ src/gdb/solib.c	2009/08/10 22:09:22	1.124
@@ -459,7 +459,7 @@
   so->objfile = symbol_file_add_from_bfd (so->abfd, flags, sap, OBJF_SHARED);
   p_refcount = xmalloc (sizeof (*p_refcount));
   *p_refcount = 2;  /* Both solib and objfile refer to this abfd.  */
-  so->abfd->usrdata = p_refcount;
+  bfd_usrdata (so->abfd) = p_refcount;
 
   free_section_addr_info (sap);
 
--- src/gdb/symfile.c	2009/08/03 17:00:34	1.240
+++ src/gdb/symfile.c	2009/08/10 22:09:22	1.241
@@ -1638,6 +1638,9 @@
 	     bfd_errmsg (bfd_get_error ()));
     }
 
+  /* bfd_usrdata exists for applications and libbfd must not touch it.  */
+  gdb_assert (bfd_usrdata (sym_bfd) == NULL);
+
   return sym_bfd;
 }
 


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