Add NT_386_XSTATE.

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

diff --git a/bfd/elf.c b/bfd/elf.c
index 19e4695f2b644313d59d17536a33ba88c999821f..c1762564ac11e9afc0c2f4c469c83e895259443a 100644 (file)
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -7628,6 +7628,16 @@ elfcore_grok_prxfpreg (bfd *abfd, Elf_Internal_Note *note)
   return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note);
 }
 
+/* Linux dumps the Intel XSAVE extended state in a note named "LINUX"
+   with a note type of NT_X86_XSTATE.  Just include the whole note's
+   contents literally.  */
+
+static bfd_boolean
+elfcore_grok_xstatereg (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-xstate", note);
+}
+
 static bfd_boolean
 elfcore_grok_ppc_vmx (bfd *abfd, Elf_Internal_Note *note)
 {
@@ -7996,6 +8006,13 @@ elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note)
       else
        return TRUE;
 
+    case NT_X86_XSTATE:                /* Linux XSAVE extension */
+      if (note->namesz == 6
+         && strcmp (note->namedata, "LINUX") == 0)
+       return elfcore_grok_xstatereg (abfd, note);
+      else
+       return TRUE;
+
     case NT_PPC_VMX:
       if (note->namesz == 6
          && strcmp (note->namedata, "LINUX") == 0)
@@ -8635,6 +8652,15 @@ elfcore_write_prxfpreg (bfd *abfd,
                             note_name, NT_PRXFPREG, xfpregs, size);
 }
 
+char *
+elfcore_write_xstatereg (bfd *abfd, char *buf, int *bufsiz,
+                        const void *xfpregs, int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+                            note_name, NT_X86_XSTATE, xfpregs, size);
+}
+
 char *
 elfcore_write_ppc_vmx (bfd *abfd,
                       char *buf,
@@ -8684,6 +8710,8 @@ elfcore_write_register_note (bfd *abfd,
     return elfcore_write_prfpreg (abfd, buf, bufsiz, data, size);
   if (strcmp (section, ".reg-xfp") == 0)
     return elfcore_write_prxfpreg (abfd, buf, bufsiz, data, size);
+  if (strcmp (section, ".reg-xstate") == 0)
+    return elfcore_write_xstatereg (abfd, buf, bufsiz, data, size);
   if (strcmp (section, ".reg-ppc-vmx") == 0)
     return elfcore_write_ppc_vmx (abfd, buf, bufsiz, data, size);
   if (strcmp (section, ".reg-ppc-vsx") == 0)