Add new port: crx-elf

1 files changed, 68 insertions, 0 deletions

diff --git a/gas/config/tc-crx.h b/gas/config/tc-crx.h
new file mode 100644
index 0000000..dc26a70
--- /dev/null
+++ b/gas/config/tc-crx.h
@@ -0,0 +1,68 @@
+/* tc-crx.h -- Header file for tc-crx.c, the CRX GAS port.
+   Copyright 2004 Free Software Foundation, Inc.
+
+   Contributed by Tomer Levi, NSC, Israel.
+   Originally written for GAS 2.12 by Tomer Levi, NSC, Israel.
+   Updates, BFDizing, GNUifying and ELF support by Tomer Levi.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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, or (at your option)
+   any later version.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the
+   Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.  */
+
+#ifndef TC_CRX_H
+#define TC_CRX_H
+
+#define TC_CRX 1
+
+#define TARGET_BYTES_BIG_ENDIAN 0
+
+#define TARGET_FORMAT "elf32-crx"
+#define TARGET_ARCH   bfd_arch_crx
+#define BFD_ARCH      bfd_arch_crx
+
+#define WORKING_DOT_WORD
+#define NEED_FX_R_TYPE
+#define LOCAL_LABEL_PREFIX '.'
+
+#define md_undefined_symbol(s)	0
+#define md_number_to_chars	number_to_chars_littleendian
+
+/* We do relaxing in the assembler as well as the linker.  */
+extern const struct relax_type md_relax_table[];
+#define TC_GENERIC_RELAX_TABLE md_relax_table
+
+/* We do not want to adjust any relocations to make implementation of
+   linker relaxations easier.  */
+#define tc_fix_adjustable(fixP)	0
+
+/* Fixup debug sections since we will never relax them.  */
+#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC)
+
+/* CRX instructions, with operands included, are a multiple
+   of two bytes long.  */
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
+/* This is called by emit_expr when creating a reloc for a cons.
+   We could use the definition there, except that we want to handle 
+   the CRX reloc type specially, rather than the BFD_RELOC type.  */
+#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) \
+      fix_new_exp (FRAG, OFF, (int)LEN, EXP, 0, \
+	LEN == 1 ? BFD_RELOC_CRX_NUM8 \
+	: LEN == 2 ? BFD_RELOC_CRX_NUM16 \
+	: LEN == 4 ? BFD_RELOC_CRX_NUM32 \
+	: BFD_RELOC_NONE);
+
+#endif /* TC_CRX_H */