binutils-gdb/gas/config/tc-m88k.h

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/* m88k.h -- Assembler for the Motorola 88000
Contributed by Devon Bowen of Buffalo University
and Torbjorn Granlund of the Swedish Institute of Computer Science.
2001-03-09 00:24:26 +01:00
Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
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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. */
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#define NO_PSEUDO_DOT 1
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/* 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)
* as.h (rs_align_test): New. * frags.c (NOP_OPCODE): Move default from read.c. (MAX_MEM_FOR_RS_ALIGN_CODE): New default. (frag_align_code): New. * frags.h (frag_align_code): Declare. * read.c (NOP_OPCODE): Remove. (do_align): Use frag_align_code. * write.c (NOP_OPCODE): Remove. (get_recorded_alignment): New. (cvt_frag_to_fill): Handle rs_align_test. (relax_segment): Likewise. (subsegs_finish): Align last subseg in section to the section alignment. Use frag_align_code. * write.h (get_recorded_alignment): Declare. * config/obj-coff.c (size_section): Handle rs_align_test. (fill_section, fixup_mdeps): Likewise. (write_object_file): Use frag_align_code. * config/tc-alpha.c (alpha_align): Use frag_align_code. (alpha_handle_align): New. * config/tc-alpha.h (HANDLE_ALIGN): New. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-i386.h (md_do_align): Use frag_align_code. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-ia64.c (ia64_md_do_align): Don't do code alignment. (ia64_handle_align): New. * config/tc-ia64.h (HANDLE_ALIGN): New. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-m32r.c (m32r_do_align): Remove. (m32r_handle_align): New. (fill_insn): Use frag_align_code. * config/tc-m32r.h (md_do_align): Remove. (HANDLE_ALIGN, MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-m88k.c, config/tc-m88k.h: Similarly. * config/tc-mips.c, config/tc-mips.h: Similarly. * config/tc-sh.c (sh_cons_align): Use rs_align_test. (sh_handle_align): Likewise. Handle rs_align_code. (sh_do_align): Remove. * config/tc-sh.h (md_do_align): Remove. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-sparc.c (sparc_cons_align): Use rs_align_test. (sparc_handle_align): Likewise. Handle rs_align_code. * config/tc-sparc.h (md_do_align): Remove. (MAX_MEM_FOR_RS_ALIGN_CODE): New.
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/* Fill in rs_align_code fragments. */
extern void m88k_handle_align PARAMS ((fragS *));
#define HANDLE_ALIGN(frag) m88k_handle_align (frag)
#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
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#endif /* M88KCOFF */