Add checks for the NT_ARM_SVE section in a core file.

[deliverable/binutils-gdb.git] / bfd / elf.c

diff --git a/bfd/elf.c b/bfd/elf.c
index 47d046fa8346d2b47d32c94a12f700cbb7a8a461..feb2c6582fb300c6091cdeb655db77b655a5e3d0 100644 (file)
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -711,7 +711,15 @@ setup_group (bfd *abfd, Elf_Internal_Shdr *hdr, asection *newsect)
                          break;
                        }
                      if (idx < shnum)
-                       dest->shdr = elf_elfsections (abfd)[idx];
+                       {
+                         dest->shdr = elf_elfsections (abfd)[idx];
+                         /* PR binutils/23199: All sections in a
+                            section group should be marked with
+                            SHF_GROUP.  But some tools generate
+                            broken objects without SHF_GROUP.  Fix
+                            them up here.  */
+                         dest->shdr->sh_flags |= SHF_GROUP;
+                       }
                      if (idx >= shnum
                          || dest->shdr->sh_type == SHT_GROUP)
                        {
@@ -1857,7 +1865,10 @@ _bfd_elf_get_symbol_version_string (bfd *abfd, asymbol *symbol,
 
       if (vernum == 0)
        version_string = "";
-      else if (vernum == 1)
+      else if (vernum == 1
+              && (vernum > elf_tdata (abfd)->cverdefs
+                  || (elf_tdata (abfd)->verdef[0].vd_flags
+                      == VER_FLG_BASE)))
        version_string = "Base";
       else if (vernum <= elf_tdata (abfd)->cverdefs)
        version_string =
@@ -9329,6 +9340,12 @@ elfcore_grok_aarch_hw_watch (bfd *abfd, Elf_Internal_Note *note)
   return elfcore_make_note_pseudosection (abfd, ".reg-aarch-hw-watch", note);
 }
 
+static bfd_boolean
+elfcore_grok_aarch_sve (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-aarch-sve", note);
+}
+
 #if defined (HAVE_PRPSINFO_T)
 typedef prpsinfo_t   elfcore_psinfo_t;
 #if defined (HAVE_PRPSINFO32_T)                /* Sparc64 cross Sparc32 */
@@ -9825,6 +9842,13 @@ elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note)
       else
        return TRUE;
 
+    case NT_ARM_SVE:
+      if (note->namesz == 6
+         && strcmp (note->namedata, "LINUX") == 0)
+       return elfcore_grok_aarch_sve (abfd, note);
+      else
+       return TRUE;
+
     case NT_PRPSINFO:
     case NT_PSINFO:
       if (bed->elf_backend_grok_psinfo)
@@ -11016,6 +11040,18 @@ elfcore_write_aarch_hw_watch (bfd *abfd,
                             note_name, NT_ARM_HW_WATCH, aarch_hw_watch, size);
 }
 
+char *
+elfcore_write_aarch_sve (bfd *abfd,
+                        char *buf,
+                        int *bufsiz,
+                        const void *aarch_sve,
+                        int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+                            note_name, NT_ARM_SVE, aarch_sve, size);
+}
+
 char *
 elfcore_write_register_note (bfd *abfd,
                             char *buf,
@@ -11068,6 +11104,8 @@ elfcore_write_register_note (bfd *abfd,
     return elfcore_write_aarch_hw_break (abfd, buf, bufsiz, data, size);
   if (strcmp (section, ".reg-aarch-hw-watch") == 0)
     return elfcore_write_aarch_hw_watch (abfd, buf, bufsiz, data, size);
+  if (strcmp (section, ".reg-aarch-sve") == 0)
+    return elfcore_write_aarch_sve (abfd, buf, bufsiz, data, size);
   return NULL;
 }