Add support for Motorola XGATE embedded CPU

1 files changed, 111 insertions, 0 deletions

diff --git a/gas/config/tc-xgate.h b/gas/config/tc-xgate.h
new file mode 100644
index 0000000..7f414e5
--- /dev/null
+++ b/gas/config/tc-xgate.h
@@ -0,0 +1,111 @@
+/* tc-xgate.h -- Header file for tc-xgate.c.
+   Copyright 2010, 2011, 2012 Free Software Foundation, Inc.
+
+   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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#define TC_XGATE
+#define cpuxgate 1
+
+struct fix;
+
+/* Define TC_M68K so that we can use the MRI mode.  */
+#define TC_M68K
+
+#define TARGET_BYTES_BIG_ENDIAN 1
+
+/* Motorola assembler specs does not require '.' before pseudo-ops.  */
+#define NO_PSEUDO_DOT 1
+
+/* The target BFD architecture.  */
+#define TARGET_ARCH (xgate_arch ())
+extern enum bfd_architecture xgate_arch (void);
+
+#define TARGET_MACH (xgate_mach ())
+extern int xgate_mach (void);
+
+#define TARGET_FORMAT (xgate_arch_format ())
+extern const char *xgate_arch_format (void);
+
+#define LISTING_WORD_SIZE 1		/* A word is 1 bytes.  */
+#define LISTING_LHS_WIDTH 4		/* One word on the first line.  */
+#define LISTING_LHS_WIDTH_SECOND 4	/* One word on the second line.  */
+#define LISTING_LHS_CONT_LINES 4	/* And 4 lines max.  */
+#define LISTING_HEADER xgate_listing_header ()
+extern const char *xgate_listing_header (void);
+
+/* Permit temporary numeric labels.  */
+#define LOCAL_LABELS_FB 1
+
+#define tc_init_after_args xgate_init_after_args
+extern void xgate_init_after_args (void);
+
+#define md_parse_long_option xgate_parse_long_option
+extern int xgate_parse_long_option (char *);
+
+#define DWARF2_LINE_MIN_INSN_LENGTH 1
+
+/* Use 32-bit address to represent a symbol address so that we can
+   represent them with their page number.  */
+#define DWARF2_ADDR_SIZE(bfd) 4
+
+/* We don't need to handle .word strangely.  */
+#define WORKING_DOT_WORD
+
+#define md_number_to_chars           number_to_chars_bigendian
+
+/* Relax table to translate short relative branches (-128..127) into
+   absolute branches.  */
+#define TC_GENERIC_RELAX_TABLE md_relax_table
+extern struct relax_type md_relax_table[];
+
+/* GAS only handles relaxations for pc-relative data targeting addresses
+   in the same segment, we have to encode all other cases  */
+/* FIXME: impliment this.  */
+/* #define md_relax_frag(SEG, FRAGP, STRETCH)		\
+ ((FRAGP)->fr_symbol != NULL				\
+  && S_GET_SEGMENT ((FRAGP)->fr_symbol) == (SEG)	\
+  ? relax_frag (SEG, FRAGP, STRETCH)			\
+  : xgate_relax_frag (SEG, FRAGP, STRETCH))
+extern long xgate_relax_frag (segT, fragS*, long); */
+
+#define TC_HANDLES_FX_DONE
+
+#define DIFF_EXPR_OK		/* .-foo gets turned into PC relative relocs */
+
+/* Values passed to md_apply_fix don't include the symbol value.  */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* No shared lib support, so we don't need to ensure externally
+   visible symbols can be overridden.  */
+#define EXTERN_FORCE_RELOC 0
+
+#define TC_FORCE_RELOCATION(fix) tc_xgate_force_relocation (fix)
+extern int tc_xgate_force_relocation (struct fix *);
+
+#define tc_fix_adjustable(X) tc_xgate_fix_adjustable(X)
+extern int tc_xgate_fix_adjustable (struct fix *);
+
+#define md_operand(x)
+
+#define elf_tc_final_processing	xgate_elf_final_processing
+extern void xgate_elf_final_processing (void);
+
+#if 0
+#define tc_print_statistics(FILE) xgate_print_statistics (FILE)
+extern void xgate_print_statistics (FILE *);
+#endif