109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
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/* m88k.h -- Assembler for the Motorola 88000
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Contributed by Devon Bowen of Buffalo University
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and Torbjorn Granlund of the Swedish Institute of Computer Science.
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Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 1997
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#define TC_M88K
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#define TARGET_BYTES_BIG_ENDIAN 1
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#ifdef M88KCOFF
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#define COFF_MAGIC MC88OMAGIC
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#define BFD_ARCH bfd_arch_m88k
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#define COFF_FLAGS F_AR32W
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#endif
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#define NEED_FX_R_TYPE
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#define TC_KEEP_FX_OFFSET
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#define TC_CONS_RELOC RELOC_32
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/* different type of relocation available in the m88k */
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enum reloc_type
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{
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RELOC_LO16, /* lo16(sym) */
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RELOC_HI16, /* hi16(sym) */
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RELOC_PC16, /* bb0, bb1, bcnd */
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RELOC_PC26, /* br, bsr */
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RELOC_32, /* jump tables, etc */
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RELOC_IW16, /* global access through linker regs 28 */
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NO_RELOC
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};
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struct reloc_info_m88k
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{
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unsigned long int r_address;
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unsigned int r_symbolnum:24;
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unsigned int r_extern:1;
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unsigned int r_pad:3;
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enum reloc_type r_type:4;
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long int r_addend;
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};
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#define relocation_info reloc_info_m88k
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/* The m88k uses '@' to start local labels. */
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#define LEX_AT (LEX_BEGIN_NAME | LEX_NAME)
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#ifndef BFD_ASSEMBLER
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#define LOCAL_LABEL(name) \
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((name[0] =='@' && (name [1] == 'L' || name [1] == '.')) \
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|| (name[0] == 'L' && name[1] == '0' && name[2] == '\001'))
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#endif
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/* The m88k uses pseudo-ops with no leading period. */
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#define NO_PSEUDO_DOT
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/* Don't warn on word overflow; it happens on %hi relocs. */
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#undef WARN_SIGNED_OVERFLOW_WORD
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#define md_convert_frag(b,s,f) {as_fatal (_("m88k convert_frag\n"));}
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/* We don't need to do anything special for undefined symbols. */
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#define md_undefined_symbol(s) 0
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/* We have no special operand handling. */
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#define md_operand(e)
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#ifdef M88KCOFF
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/* Whether a reloc should be output. */
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#define TC_COUNT_RELOC(fixp) ((fixp)->fx_addsy != NULL)
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/* Get the BFD reloc type to use for a gas fixS structure. */
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#define TC_COFF_FIX2RTYPE(fixp) tc_coff_fix2rtype (fixp)
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/* No special hook needed for symbols. */
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#define tc_coff_symbol_emit_hook(s)
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/* Align sections to a four byte boundary. */
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#define SUB_SEGMENT_ALIGN(SEG) max (section_alignment[(int) (SEG)], 4)
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/* We use a special alignment function to insert the correct nop
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pattern in .init. */
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extern int m88k_do_align PARAMS ((int, const char *, int, int));
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#define md_do_align(n,fill,len,max,l) if (m88k_do_align(n,fill,max,len)) goto l
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#endif /* M88KCOFF */
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