* elfxx-ia64.c (is_unwind_section_name): Consider linkonce unwind

[deliverable/binutils-gdb.git] / bfd / elfxx-ia64.c

diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c
index 8d80e6e27dfc9725510e9043e51e60705f591fda..f0f64f654412425af84d3a28b1ac4803d499a91c 100644 (file)
--- a/bfd/elfxx-ia64.c
+++ b/bfd/elfxx-ia64.c
@@ -921,12 +921,14 @@ static inline boolean
 is_unwind_section_name (name)
        const char *name;
 {
-  size_t len1, len2;
+  size_t len1, len2, len3;
 
   len1 = sizeof (ELF_STRING_ia64_unwind) - 1;
   len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
-  return (strncmp (name, ELF_STRING_ia64_unwind, len1) == 0
-         && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0);
+  len3 = sizeof (ELF_STRING_ia64_unwind_once) - 1;
+  return ((strncmp (name, ELF_STRING_ia64_unwind, len1) == 0
+          && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0)
+         || strncmp (name, ELF_STRING_ia64_unwind_once, len3) == 0);
 }
 
 /* Handle an IA-64 specific section when reading an object file.  This
@@ -1065,6 +1067,18 @@ elfNN_ia64_final_write_processing (abfd, linker)
                /* .IA_64.unwindFOO -> FOO */
                text_sect = bfd_get_section_by_name (abfd, sname);
            }
+         else if (sname
+                  && (len = sizeof (ELF_STRING_ia64_unwind_once) - 1,
+                      strncmp (sname, ELF_STRING_ia64_unwind_once, len)) == 0)
+           {
+             /* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.t.FOO */
+             size_t len2 = sizeof (".gnu.linkonce.t.") - 1;
+             char *once_name = alloca (len2 + strlen (sname) - len + 1);
+
+             memcpy (once_name, ".gnu.linkonce.t.", len2);
+             strcpy (once_name + len2, sname + len);
+             text_sect = bfd_get_section_by_name (abfd, once_name);
+           }
          else
            /* last resort: fall back on .text */
            text_sect = bfd_get_section_by_name (abfd, ".text");