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[RFA] am33 core file support


The patch below adds core file support for am33 Linux.

Okay?

	* elf32-am33lin.c (bfd.h, sysdep.h, elf-bfd.h, elf/mn10300.h):
	Include.
	(elf32_am33lin_grok_prstatus, elf32_am33lin_grok_psinfo): New
	functions.
	(elf_backend_grok_prstatus, elf_backend_grok_psinfo): Define.

Index: elf32-am33lin.c
===================================================================
RCS file: /cvs/src/src/bfd/elf32-am33lin.c,v
retrieving revision 1.4
diff -u -p -r1.4 elf32-am33lin.c
--- elf32-am33lin.c	4 May 2005 15:53:11 -0000	1.4
+++ elf32-am33lin.c	9 Sep 2005 00:21:24 -0000
@@ -1,5 +1,5 @@
 /* Matsushita AM33/2.0 support for 32-bit GNU/Linux ELF
-   Copyright 2003
+   Copyright 2003, 2005
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -18,6 +18,11 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+#include "bfd.h"
+#include "sysdep.h"
+#include "elf-bfd.h"
+#include "elf/mn10300.h"
+
 #define elf_symbol_leading_char 0
 
 #define TARGET_LITTLE_SYM	bfd_elf32_am33lin_vec
@@ -32,4 +37,68 @@
 #define _bfd_mn10300_elf_object_p                _bfd_am33_elf_object_p
 #define _bfd_mn10300_elf_final_write_processing  _bfd_am33_elf_final_write_processing
 
+/* Support for core dump NOTE sections.  */
+static bfd_boolean
+elf32_am33lin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+  int offset;
+  unsigned int size;
+
+  switch (note->descsz)
+    {
+      default:
+	return FALSE;
+
+      case 188:		/* Linux/am33 */
+	/* pr_cursig */
+	elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+
+	/* pr_pid */
+	elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
+
+	/* pr_reg */
+	offset = 72;
+	size = 112;
+
+	break;
+    }
+
+  /* Make a ".reg/999" section.  */
+  return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
+					  note->descpos + offset);
+}
+
+static bfd_boolean
+elf32_am33lin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+  switch (note->descsz)
+    {
+      default:
+	return FALSE;
+
+      case 124:		/* Linux/am33 elf_prpsinfo */
+	elf_tdata (abfd)->core_program
+	 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
+	elf_tdata (abfd)->core_command
+	 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
+    }
+
+  /* Note that for some reason, a spurious space is tacked
+     onto the end of the args in some (at least one anyway)
+     implementations, so strip it off if it exists.  */
+
+  {
+    char *command = elf_tdata (abfd)->core_command;
+    int n = strlen (command);
+
+    if (0 < n && command[n - 1] == ' ')
+      command[n - 1] = '\0';
+  }
+
+  return TRUE;
+}
+
+#define elf_backend_grok_prstatus	elf32_am33lin_grok_prstatus
+#define elf_backend_grok_psinfo		elf32_am33lin_grok_psinfo
+
 #include "elf-m10300.c"


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