Add Xtensa port

3 files changed, 96 insertions, 0 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 6055c22..9d5ea67 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+2003-04-01  Bob Wilson  <bob.wilson@acm.org>
+
+        * elf/common.h (EM_XTENSA_OLD): Define.
+        * elf/xtensa.h: New file.
+
 2003-04-01  Nick Clifton  <nickc@redhat.com>
 
 	* arm.h (ARM_NOTE_SECTION): Include .gnu in the string.
diff --git a/include/elf/common.h b/include/elf/common.h
index 2315fa8..a515817 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -261,6 +261,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Vitesse IQ2000.  */
 #define EM_IQ2000		0xFEBA
+
+/* Old, unofficial value for Xtensa.  */
+#define EM_XTENSA_OLD		0xabc7
+
 /* See the above comment before you add a new EM_* value here.  */
 
 /* Values for e_version.  */
diff --git a/include/elf/xtensa.h b/include/elf/xtensa.h
new file mode 100644
index 0000000..394ee41
--- /dev/null
+++ b/include/elf/xtensa.h
@@ -0,0 +1,87 @@
+/* Xtensa ELF support for BFD.
+   Copyright 2003 Free Software Foundation, Inc.
+   Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
+
+   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.  */
+
+/* This file holds definitions specific to the Xtensa ELF ABI.  */
+
+#ifndef _ELF_XTENSA_H
+#define _ELF_XTENSA_H
+
+#include "elf/reloc-macros.h"
+
+/* Relocations.  */
+START_RELOC_NUMBERS (elf_xtensa_reloc_type)
+     RELOC_NUMBER (R_XTENSA_NONE, 0)
+     RELOC_NUMBER (R_XTENSA_32, 1)
+     RELOC_NUMBER (R_XTENSA_RTLD, 2)
+     RELOC_NUMBER (R_XTENSA_GLOB_DAT, 3)
+     RELOC_NUMBER (R_XTENSA_JMP_SLOT, 4)
+     RELOC_NUMBER (R_XTENSA_RELATIVE, 5)
+     RELOC_NUMBER (R_XTENSA_PLT, 6)
+     RELOC_NUMBER (R_XTENSA_OP0, 8)
+     RELOC_NUMBER (R_XTENSA_OP1, 9)
+     RELOC_NUMBER (R_XTENSA_OP2, 10) 
+     RELOC_NUMBER (R_XTENSA_ASM_EXPAND, 11)
+     RELOC_NUMBER (R_XTENSA_ASM_SIMPLIFY, 12)
+     RELOC_NUMBER (R_XTENSA_GNU_VTINHERIT, 15)
+     RELOC_NUMBER (R_XTENSA_GNU_VTENTRY, 16)
+END_RELOC_NUMBERS (R_XTENSA_max)
+
+/* Processor-specific flags for the ELF header e_flags field.  */
+
+/* Four-bit Xtensa machine type field.  */
+#define EF_XTENSA_MACH			0x0000000f
+
+/* Various CPU types.  */
+#define E_XTENSA_MACH			0x00000000
+
+/* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.
+   Highly unlikely, but what the heck.  */
+
+#define EF_XTENSA_XT_INSN		0x00000100
+#define EF_XTENSA_XT_LIT		0x00000200
+
+
+/* Processor-specific dynamic array tags.  */
+
+/* Offset of the table that records the GOT location(s).  */
+#define DT_XTENSA_GOT_LOC_OFF		0x70000000
+
+/* Number of entries in the GOT location table.  */
+#define DT_XTENSA_GOT_LOC_SZ		0x70000001
+
+
+/* Definitions for instruction and literal property tables.  The
+   instruction tables for ".gnu.linkonce.t.*" sections are placed in
+   the following sections:
+
+   instruction tables:	.gnu.linkonce.x.*
+   literal tables:	.gnu.linkonce.p.*
+*/
+
+#define XTENSA_INSN_SEC_NAME ".xt.insn"
+#define XTENSA_LIT_SEC_NAME  ".xt.lit"
+
+typedef struct property_table_entry_t
+{
+  bfd_vma address;
+  bfd_vma size;
+} property_table_entry;
+
+#endif /* _ELF_XTENSA_H */