[PATCH] Support for NT_PPC_VMX in BFD and readelf

[PATCH] Support for NT_PPC_VMX in BFD and readelf

[Carlos Eduardo Seo]

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This patch provides support in BFD and readelf for the new note
NT_PPC_VMX added by Roland McGrath here:

http://sourceware.org/ml/binutils/2007-10/msg00261.html

Is it OK?

Thanks and regards,

- --
Carlos Eduardo Seo
Software Engineer
IBM Linux Technology Center
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2007-10-19  Carlos Eduardo Seo  <cseo@linux.vnet.ibm.com>

	* bfd/elf.c (elfcore_grok_ppc_vmx): Added.
	(elfcore_grok_note): Added note NT_PPC_VMX.
	(elfcore_write_ppc_vmx): Added.
	* bfd/elf-bfd.h (elfcore_write_ppc_vmx): Declare.
	* binutils/readelf.c (get_note_type): Added note
	NT_PPC_VMX

Index: src/bfd/elf.c
===================================================================
--- src.orig/bfd/elf.c  2007-10-19 13:35:11.000000000 +0000
+++ src/bfd/elf.c       2007-10-19 13:37:44.000000000 +0000
@@ -7449,6 +7449,13 @@
   return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note);
 }

+static bfd_boolean
+elfcore_grok_ppc_vmx (bfd *abfd, Elf_Internal_Note *note)
+{
+  return elfcore_make_note_pseudosection (abfd, ".reg-ppc-vmx", note);
+}
+
+
 #if defined (HAVE_PRPSINFO_T)
 typedef prpsinfo_t   elfcore_psinfo_t;
 #if defined (HAVE_PRPSINFO32_T)                /* Sparc64 cross Sparc32 */
@@ -7796,6 +7803,13 @@
       else
        return TRUE;

+    case NT_PPC_VMX:
+      if (note->namesz == 6
+          && strcmp (note->namedata, "LINUX") == 0)
+       return elfcore_grok_ppc_vmx (abfd, note);
+      else
+       return TRUE;
+
     case NT_PRPSINFO:
     case NT_PSINFO:
       if (bed->elf_backend_grok_psinfo)
@@ -8350,6 +8364,18 @@
                             note_name, NT_PRXFPREG, xfpregs, size);
 }

+char *
+elfcore_write_ppc_vmx (bfd *abfd,
+                        char *buf,
+                        int *bufsiz,
+                        const void *ppc_vmx,
+                        int size)
+{
+  char *note_name = "LINUX";
+  return elfcore_write_note (abfd, buf, bufsiz,
+                             note_name, NT_PPC_VMX, ppc_vmx, size);
+}
+
 static bfd_boolean
 elf_parse_notes (bfd *abfd, char *buf, size_t size, file_ptr offset)
 {
Index: src/bfd/elf-bfd.h
===================================================================
--- src.orig/bfd/elf-bfd.h      2007-10-19 13:46:28.000000000 +0000
+++ src/bfd/elf-bfd.h   2007-10-19 13:47:13.000000000 +0000
@@ -2009,6 +2009,8 @@
   (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_prxfpreg
   (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_ppc_vmx
+  (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_lwpstatus
   (bfd *, char *, int *, long, int, const void *);

Index: src/binutils/readelf.c
===================================================================
--- src.orig/binutils/readelf.c 2007-10-19 16:18:17.000000000 +0000
+++ src/binutils/readelf.c      2007-10-19 16:20:18.000000000 +0000
@@ -9280,6 +9280,8 @@
        return _("NT_TASKSTRUCT (task structure)");
       case NT_PRXFPREG:
        return _("NT_PRXFPREG (user_xfpregs structure)");
+      case NT_PPC_VMX:
+       return _("NT_PPC_VMX (ppc Altivec registers)");
       case NT_PSTATUS:
        return _("NT_PSTATUS (pstatus structure)");
       case NT_FPREGS:


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Re: [PATCH] Support for NT_PPC_VMX in BFD and readelf

[Alan Modra]

On Fri, Oct 19, 2007 at 05:32:27PM -0200, Carlos Eduardo Seo wrote:
> 	* bfd/elf.c (elfcore_grok_ppc_vmx): Added.
> 	(elfcore_grok_note): Added note NT_PPC_VMX.
> 	(elfcore_write_ppc_vmx): Added.
> 	* bfd/elf-bfd.h (elfcore_write_ppc_vmx): Declare.
> 	* binutils/readelf.c (get_note_type): Added note
> 	NT_PPC_VMX

OK.

-- 
Alan Modra
Australia Development Lab, IBM