| /* 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 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000, |
| 2002 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 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 PARAMS ((fragS *)); |
| #define HANDLE_ALIGN(frag) m88k_handle_align (frag) |
| |
| #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4) |
| |
| #endif /* M88KCOFF */ |