Add gas and ld support for openrisc

1 files changed, 74 insertions, 0 deletions

diff --git a/gas/config/tc-openrisc.h b/gas/config/tc-openrisc.h
new file mode 100644
index 0000000..d863c9f
--- /dev/null
+++ b/gas/config/tc-openrisc.h
@@ -0,0 +1,74 @@
+/* tc-openrisc.h -- Header file for tc-openrisc.c.
+   Copyright (C) 2001 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 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.  */
+
+#define TC_OPENRISC
+
+#ifndef BFD_ASSEMBLER
+/* leading space so will compile with cc */
+#  error OPENRISC support requires BFD_ASSEMBLER
+#endif
+
+#define LISTING_HEADER "OpenRISC GAS "
+
+/* The target BFD architecture.  */
+#define TARGET_ARCH bfd_arch_openrisc
+
+extern unsigned long openrisc_machine;
+#define TARGET_MACH (openrisc_machine)
+
+#define TARGET_FORMAT		"elf32-openrisc"
+#define TARGET_BYTES_BIG_ENDIAN	1
+
+extern const char openrisc_comment_chars [];
+#define tc_comment_chars openrisc_comment_chars
+
+/* Call md_pcrel_from_section, not md_pcrel_from.  */
+extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
+#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
+
+/* Permit temporary numeric labels.  */
+#define LOCAL_LABELS_FB	1
+
+#define DIFF_EXPR_OK	1	/* .-foo gets turned into PC relative relocs */
+
+/* We don't need to handle .word strangely.  */
+#define WORKING_DOT_WORD
+
+#define MD_APPLY_FIX3
+#define md_apply_fix3 gas_cgen_md_apply_fix3
+
+extern boolean openrisc_fix_adjustable PARAMS ((struct fix *));
+#define obj_fix_adjustable(fixP) openrisc_fix_adjustable (fixP)
+
+/* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
+extern int openrisc_force_relocation PARAMS ((struct fix *));
+#define TC_FORCE_RELOCATION(fix) openrisc_force_relocation (fix)
+
+#define TC_HANDLES_FX_DONE
+
+#define tc_gen_reloc gas_cgen_tc_gen_reloc
+
+/* Call md_pcrel_from_section(), not md_pcrel_from().  */
+extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
+#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
+
+/* For 8 vs 16 vs 32 bit branch selection.  */
+extern const struct relax_type md_relax_table[];
+#define TC_GENERIC_RELAX_TABLE md_relax_table