Automatic date update in version.in

[deliverable/binutils-gdb.git] / bfd / coff-rs6000.c

diff --git a/bfd/coff-rs6000.c b/bfd/coff-rs6000.c
index d8db1f3894bab65bbd000a7f8ccabaa7ab1c0939..7f72f8c1278a6f95f64d387748bc97d4c96f7a42 100644 (file)
--- a/bfd/coff-rs6000.c
+++ b/bfd/coff-rs6000.c
@@ -1,5 +1,5 @@
 /* BFD back-end for IBM RS/6000 "XCOFF" files.
-   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+   Copyright (C) 1990-2019 Free Software Foundation, Inc.
    Written by Metin G. Ozisik, Mimi Phuong-Thao Vo, and John Gilmore.
    Archive support from Damon A. Permezel.
    Contributed by IBM Corporation and Cygnus Support.
@@ -114,7 +114,6 @@ extern int rs6000coff_core_file_failing_signal (bfd *abfd);
 #define bfd_pe_print_pdata     NULL
 #endif
 
-#include <stdint.h>
 #include "coffcode.h"
 
 /* The main body of code is in coffcode.h.  */
@@ -3090,7 +3089,7 @@ xcoff_complain_overflow_bitfield_func (bfd *input_bfd,
      relies on it, and it is the only way to write assembler
      code which can run when loaded at a location 0x80000000
      away from the location at which it is linked.  */
-  if (howto->bitsize + howto->rightshift
+  if ((unsigned) howto->bitsize + howto->rightshift
       == bfd_arch_bits_per_address (input_bfd))
     return FALSE;
 
@@ -3458,10 +3457,6 @@ xcoff_ppc_relocate_section (bfd *output_bfd,
         operation, which would be tedious, or we must do the computations
         in a type larger than bfd_vma, which would be inefficient.  */
 
-      if ((unsigned int) howto.complain_on_overflow
-         >= XCOFF_MAX_COMPLAIN_OVERFLOW)
-       abort ();
-
       if (((*xcoff_complain_overflow[howto.complain_on_overflow])
           (input_bfd, value_to_relocate, relocation, &howto)))
        {
@@ -3506,6 +3501,23 @@ xcoff_ppc_relocate_section (bfd *output_bfd,
   return TRUE;
 }
 
+/* gcc-8 warns (*) on all the strncpy calls in this function about
+   possible string truncation.  The "truncation" is not a bug.  We
+   have an external representation of structs with fields that are not
+   necessarily NULL terminated and corresponding internal
+   representation fields that are one larger so that they can always
+   be NULL terminated.
+   gcc versions between 4.2 and 4.6 do not allow pragma control of
+   diagnostics inside functions, giving a hard error if you try to use
+   the finer control available with later versions.
+   gcc prior to 4.2 warns about diagnostic push and pop.
+   gcc-5, gcc-6 and gcc-7 warn that -Wstringop-truncation is unknown,
+   unless you also add #pragma GCC diagnostic ignored "-Wpragma".
+   (*) Depending on your system header files!  */
+#if GCC_VERSION >= 8000
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wstringop-truncation"
+#endif
 static bfd_boolean
 _bfd_xcoff_put_ldsymbol_name (bfd *abfd ATTRIBUTE_UNUSED,
                              struct xcoff_loader_info *ldinfo,
@@ -3575,6 +3587,9 @@ _bfd_xcoff_put_symbol_name (struct bfd_link_info *info,
     }
   return TRUE;
 }
+#if GCC_VERSION >= 8000
+# pragma GCC diagnostic pop
+#endif
 
 static asection *
 xcoff_create_csect_from_smclas (bfd *abfd,
@@ -4045,6 +4060,7 @@ const struct xcoff_dwsect_name xcoff_dwsect_names[] = {
 #define _bfd_xcoff_bfd_discard_group bfd_generic_discard_group
 #define _bfd_xcoff_section_already_linked _bfd_generic_section_already_linked
 #define _bfd_xcoff_bfd_define_common_symbol _bfd_xcoff_define_common_symbol
+#define _bfd_xcoff_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
 #define _bfd_xcoff_bfd_define_start_stop    bfd_generic_define_start_stop
 #define _bfd_xcoff_bfd_link_check_relocs    _bfd_generic_link_check_relocs