/* 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, 1990, 1991 Free Software Foundation, Inc.
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000,
+ 2002, 2005 Free Software Foundation, Inc.
-This file is part of GAS, the GNU Assembler.
+ 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 1, or (at your option)
-any later version.
+ 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.
+ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
-/* different type of relocation available in the m88k */
+#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 */
+ 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;
+ 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
-#define LOCAL_LABEL(name) (name[0] =='@' \
- && ( name [1] == 'L' || name [1] == '.' ))
+/* 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 1
+
+/* 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, FRCHAIN) max (section_alignment[(int) (SEG)], 4)
+
+/* Fill in rs_align_code fragments. */
+extern void m88k_handle_align (fragS *);
+#define HANDLE_ALIGN(frag) m88k_handle_align (frag)
+
+#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
+
+#endif /* M88KCOFF */
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