19990502 sourceware importbinu_ss_19990502

1 files changed, 102 insertions, 0 deletions

diff --git a/gas/config/tc-m32r.h b/gas/config/tc-m32r.h
new file mode 100644
index 0000000..ebcfca1
--- /dev/null
+++ b/gas/config/tc-m32r.h
@@ -0,0 +1,102 @@
+/* tc-m32r.h -- Header file for tc-m32r.c.
+   Copyright (C) 1996, 1997, 1998 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_M32R
+
+#ifndef BFD_ASSEMBLER
+/* leading space so will compile with cc */
+ #error M32R support requires BFD_ASSEMBLER
+#endif
+
+#define LISTING_HEADER "M32R GAS "
+
+/* The target BFD architecture.  */
+#define TARGET_ARCH bfd_arch_m32r
+
+#define TARGET_FORMAT "elf32-m32r"
+
+#define TARGET_BYTES_BIG_ENDIAN 1
+
+/* call md_pcrel_from_section, not md_pcrel_from */
+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		/* .-foo gets turned into PC relative relocs */
+
+/* We don't need to handle .word strangely.  */
+#define WORKING_DOT_WORD
+
+/* 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
+#if 0
+extern void m32r_prepare_relax_scan ();
+#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
+m32r_prepare_relax_scan (fragP, address, aim, this_state, this_type)
+#else
+extern long m32r_relax_frag PARAMS ((fragS *, long));
+#define md_relax_frag(fragP, stretch) \
+m32r_relax_frag (fragP, stretch)
+#endif
+/* Account for nop if 32 bit insn falls on odd halfword boundary.  */
+#define TC_CGEN_MAX_RELAX(insn, len) (6)
+
+/* Alignments are used to ensure 32 bit insns live on 32 bit boundaries, so
+   we use a special alignment function to insert the correct nop pattern.  */
+extern int m32r_do_align PARAMS ((int, const char *, int, int));
+#define md_do_align(n, fill, len, max, l) \
+if (m32r_do_align (n, fill, len, max)) goto l
+
+#define MD_APPLY_FIX3
+#define md_apply_fix3 gas_cgen_md_apply_fix3
+
+#define obj_fix_adjustable(fixP) m32r_fix_adjustable(fixP)
+
+/* After creating a fixup for an instruction operand, we need to check for
+   HI16 relocs and queue them up for later sorting.  */
+#define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp
+
+#define TC_HANDLES_FX_DONE
+
+#define tc_gen_reloc gas_cgen_tc_gen_reloc
+
+#define tc_frob_file() m32r_frob_file ()
+extern void m32r_frob_file PARAMS ((void));
+
+/* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
+#define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix)
+extern int m32r_force_relocation ();
+
+/* Ensure insns at labels are aligned to 32 bit boundaries.  */
+int m32r_fill_insn PARAMS ((int));
+#define md_after_pass_hook()	m32r_fill_insn (1)
+#define TC_START_LABEL(ch, ptr)	(ch == ':' && m32r_fill_insn (0))
+
+/* Add extra M32R sections.  */
+#define ELF_TC_SPECIAL_SECTIONS \
+  { ".sdata",		SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE }, \
+  { ".sbss",		SHT_NOBITS,	SHF_ALLOC + SHF_WRITE },
+
+#define md_cleanup                 m32r_elf_section_change_hook
+#define md_elf_section_change_hook m32r_elf_section_change_hook
+extern void m32r_elf_section_change_hook ();