19990502 sourceware importbinu_ss_19990502

1 files changed, 108 insertions, 0 deletions

diff --git a/gas/config/tc-m88k.h b/gas/config/tc-m88k.h
new file mode 100644
index 0000000..426b697
--- /dev/null
+++ b/gas/config/tc-m88k.h
@@ -0,0 +1,108 @@
+/* m88k.h -- Assembler for the Motorola 88000
+   Contributed by Devon Bowen of Buffalo University
+   and Torbjorn Granlund of the Swedish Institute of Computer Science.
+   Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 1997
+   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_M88K
+
+#define TARGET_BYTES_BIG_ENDIAN 1
+
+#ifdef M88KCOFF
+#define COFF_MAGIC MC88OMAGIC
+#define BFD_ARCH bfd_arch_m88k
+#define COFF_FLAGS F_AR32W
+#endif
+
+#define NEED_FX_R_TYPE
+#define TC_KEEP_FX_OFFSET
+#define TC_CONS_RELOC RELOC_32
+
+/* different type of relocation available in the m88k */
+
+enum reloc_type
+{
+  RELOC_LO16,			/* lo16(sym) */
+  RELOC_HI16,			/* hi16(sym) */
+  RELOC_PC16,			/* bb0, bb1, bcnd */
+  RELOC_PC26,			/* br, bsr */
+  RELOC_32,			/* jump tables, etc */
+  RELOC_IW16,			/* global access through linker regs 28 */
+  NO_RELOC
+};
+
+struct reloc_info_m88k
+{
+  unsigned long int r_address;
+  unsigned int r_symbolnum:24;
+  unsigned int r_extern:1;
+  unsigned int r_pad:3;
+  enum reloc_type r_type:4;
+  long int r_addend;
+};
+
+#define relocation_info reloc_info_m88k
+
+/* The m88k uses '@' to start local labels.  */
+#define LEX_AT (LEX_BEGIN_NAME | LEX_NAME)
+
+#ifndef BFD_ASSEMBLER
+#define LOCAL_LABEL(name) \
+  ((name[0] =='@' && (name [1] == 'L' || name [1] == '.')) \
+   || (name[0] == 'L' && name[1] == '0' && name[2] == '\001'))
+#endif
+
+/* The m88k uses pseudo-ops with no leading period.  */
+#define NO_PSEUDO_DOT
+
+/* Don't warn on word overflow; it happens on %hi relocs.  */
+#undef WARN_SIGNED_OVERFLOW_WORD
+
+#define md_convert_frag(b,s,f)		{as_fatal (_("m88k convert_frag\n"));}
+
+/* We don't need to do anything special for undefined symbols.  */
+#define md_undefined_symbol(s) 0
+
+/* We have no special operand handling.  */
+#define md_operand(e)
+
+#ifdef M88KCOFF
+
+/* Whether a reloc should be output.  */
+#define TC_COUNT_RELOC(fixp) ((fixp)->fx_addsy != NULL)
+
+/* Get the BFD reloc type to use for a gas fixS structure.  */
+#define TC_COFF_FIX2RTYPE(fixp) tc_coff_fix2rtype (fixp)
+
+/* No special hook needed for symbols.  */
+#define tc_coff_symbol_emit_hook(s)
+
+/* Align sections to a four byte boundary.  */
+#ifndef max
+#define max(a,b)	(((a) > (b)) ? (a) : (b))
+#endif
+#define SUB_SEGMENT_ALIGN(SEG)	max (section_alignment[(int) (SEG)], 4)
+
+/* We use a special alignment function to insert the correct nop
+   pattern in .init.  */
+extern int m88k_do_align PARAMS ((int, const char *, int, int));
+#define md_do_align(n,fill,len,max,l) if (m88k_do_align(n,fill,max,len)) goto l
+
+#endif /* M88KCOFF */