Add IP2k support to BFD and LD

3 files changed, 75 insertions, 0 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 3e64a32..e7b8b76 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,15 @@
+2002-07-15  Denis Chertykov  <denisc@overta.ru>
+	    Frank Ch. Eigler  <fche@redhat.com>
+	    Ben Elliston  <bje@redhat.com>
+	    Alan Lehotsky  <alehotsky@cygnus.com>
+	    John Healy  <jhealy@redhat.com>
+	    Graham Stott  <grahams@redhat.com>
+	    Jeff Johnston  <jjohnstn@redhat.com>
+
+        * common.h (EM_IP2K): New macro.
+	(EM_IP2K_OLD): New macro.
+        * ip2k.h: New file.
+
 2002-07-01  Matt Thomas  <matt@3am-software.com>
 
 	* vax.h: Rename EF_* to EF_VAX_*.
diff --git a/include/elf/common.h b/include/elf/common.h
index 4e1b502..86b82fe 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -176,6 +176,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define EM_OPENRISC    92	/* OpenRISC 32-bit embedded processor */
 #define EM_ARC_A5      93	/* ARC Cores Tangent-A5 */
 #define EM_XTENSA      94	/* Tensilica Xtensa Architecture */
+#define EM_IP2K	       101	/* Ubicom IP2022 micro controller */
 
 /* If it is necessary to assign new unofficial EM_* values, please pick large
    random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
diff --git a/include/elf/ip2k.h b/include/elf/ip2k.h
new file mode 100644
index 0000000..c331b72
--- /dev/null
+++ b/include/elf/ip2k.h
@@ -0,0 +1,62 @@
+/* IP2xxx ELF support for BFD.
+   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef _ELF_IP2K_H
+#define _ELF_IP2K_H
+
+#include "elf/reloc-macros.h"
+
+/* Relocations.  */
+START_RELOC_NUMBERS (elf_ip2k_reloc_type)
+  RELOC_NUMBER (R_IP2K_NONE, 0)
+  RELOC_NUMBER (R_IP2K_16, 1)
+  RELOC_NUMBER (R_IP2K_32, 2)
+  RELOC_NUMBER (R_IP2K_FR9, 3)
+  RELOC_NUMBER (R_IP2K_BANK, 4)
+  RELOC_NUMBER (R_IP2K_ADDR16CJP, 5)
+  RELOC_NUMBER (R_IP2K_PAGE3, 6)
+  RELOC_NUMBER (R_IP2K_LO8DATA, 7)
+  RELOC_NUMBER (R_IP2K_HI8DATA, 8)
+  RELOC_NUMBER (R_IP2K_LO8INSN, 9)
+  RELOC_NUMBER (R_IP2K_HI8INSN, 10)
+  RELOC_NUMBER (R_IP2K_PC_SKIP, 11)
+  RELOC_NUMBER (R_IP2K_TEXT, 12)
+  RELOC_NUMBER (R_IP2K_FR_OFFSET, 13)
+  RELOC_NUMBER (R_IP2K_EX8DATA, 14)
+END_RELOC_NUMBERS(R_IP2K_max)
+
+
+/* Define the data & instruction memory discriminator.  In a linked
+   executable, an symbol should be deemed to point to an instruction
+   if ((address & IP2K_INSN_MASK) == IP2K_INSN_VALUE), and similarly
+   for the data space.  See also `ld/emulparams/elf32ip2k.sh'.  */
+/* ??? Consider extending the _MASK values to include all the
+   intermediate bits that must be zero due to the limited physical
+   memory size on the IP2K.  */
+
+#define IP2K_DATA_MASK   0xff000000
+#define IP2K_DATA_VALUE  0x01000000
+#define IP2K_INSN_MASK   0xff000000
+#define IP2K_INSN_VALUE  0x02000000
+
+/* The location of the memory mapped hardware stack.  */
+#define IP2K_STACK_VALUE 0x0f000000
+#define IP2K_STACK_SIZE  0x20
+
+#endif /* _ELF_IP2K_H */