00cd9c886f
Todo: Modify tc_gen_reloc to frob the relocations correctly, add code for missing relocation types to libbfd.
170 lines
4.2 KiB
C
170 lines
4.2 KiB
C
/* tc-ns32k.h -- Opcode table for National Semi 32k processor
|
|
Copyright (C) 1987, 92, 93, 94, 95, 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_NS32K
|
|
|
|
#define TARGET_BYTES_BIG_ENDIAN 0
|
|
|
|
#define TC_PCREL_ADJUST(F) md_pcrel_adjust(F)
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
#define NO_RELOC BFD_RELOC_NONE
|
|
|
|
#define TARGET_ARCH bfd_arch_ns32k
|
|
#ifdef OBJ_AOUT
|
|
#ifdef TE_NetBSD
|
|
#define TARGET_FORMAT "a.out-ns32k-netbsd"
|
|
#endif
|
|
|
|
#ifndef TARGET_FORMAT /* Maybe defined in te-*.h */
|
|
#define TARGET_FORMAT "a.out-pc532-mach"
|
|
#endif
|
|
#endif
|
|
#else
|
|
#define NO_RELOC 0
|
|
#endif
|
|
|
|
#ifndef LOCAL_LABELS_FB
|
|
#define LOCAL_LABELS_FB 1
|
|
#endif
|
|
|
|
#include "bit_fix.h"
|
|
|
|
#define tc_aout_pre_write_hook(x) {;} /* not used */
|
|
#define tc_crawl_symbol_chain(a) {;} /* not used */
|
|
#define tc_headers_hook(a) {;} /* not used */
|
|
|
|
#ifdef TE_NetBSD
|
|
#define NS32532
|
|
#define NS32381
|
|
#endif
|
|
|
|
#ifdef SEQUENT_COMPATABILITY
|
|
#define DEF_MODEC 20
|
|
#define DEF_MODEL 21
|
|
#endif
|
|
|
|
#ifndef DEF_MODEC
|
|
#define DEF_MODEC 20
|
|
#endif
|
|
|
|
#ifndef DEF_MODEL
|
|
#define DEF_MODEL 20
|
|
#endif
|
|
|
|
#define MAX_ARGS 4
|
|
#define ARG_LEN 50
|
|
|
|
#define TC_CONS_FIX_NEW cons_fix_new_ns32k
|
|
extern void fix_new_ns32k_exp PARAMS((fragS *frag,
|
|
int where,
|
|
int size,
|
|
expressionS *exp,
|
|
int pcrel,
|
|
int im_disp,
|
|
bit_fixS *bit_fixP, /* really bit_fixS */
|
|
int bsr,
|
|
fragS *opcode_frag,
|
|
unsigned int opcode_offset,
|
|
unsigned int reloc_mode));
|
|
|
|
|
|
extern void fix_new_ns32k PARAMS ((fragS *frag,
|
|
int where,
|
|
int size,
|
|
struct symbol *add_symbol,
|
|
long offset,
|
|
int pcrel,
|
|
int im_disp,
|
|
bit_fixS *bit_fixP, /* really bit_fixS */
|
|
int bsr,
|
|
fragS *opcode_frag,
|
|
unsigned int opcode_offset,
|
|
unsigned int reloc_mode));
|
|
|
|
extern void cons_fix_new_ns32k PARAMS ((fragS *frag,
|
|
int where,
|
|
int size,
|
|
expressionS *exp));
|
|
|
|
/* the NS32x32 has a non 0 nop instruction which should be used in aligns */
|
|
#define NOP_OPCODE 0xa2
|
|
|
|
#define md_operand(x)
|
|
|
|
extern const struct relax_type md_relax_table[];
|
|
#define TC_GENERIC_RELAX_TABLE md_relax_table
|
|
|
|
#define TC_FRAG_TYPE \
|
|
struct { \
|
|
fragS *fr_opcode_fragP; \
|
|
unsigned int fr_opcode_offset; \
|
|
char fr_bsr; \
|
|
}
|
|
|
|
#define TC_FRAG_INIT(X) \
|
|
do \
|
|
{ \
|
|
frag_opcode_frag (X) = NULL; \
|
|
frag_opcode_offset (X) = 0; \
|
|
frag_bsr (X) = 0; \
|
|
} \
|
|
while(0)
|
|
|
|
/* Accessor macros for things which may move around */
|
|
#define frag_opcode_frag(X) (X)->tc_frag_data.fr_opcode_fragP
|
|
#define frag_opcode_offset(X) (X)->tc_frag_data.fr_opcode_offset
|
|
#define frag_bsr(X) (X)->tc_frag_data.fr_bsr
|
|
|
|
#define TC_FIX_TYPE \
|
|
struct \
|
|
{ \
|
|
fragS *opcode_fragP; \
|
|
unsigned int opcode_offset; \
|
|
unsigned int bsr : 1; \
|
|
}
|
|
|
|
/* Accessor macros for things which may move around.
|
|
See comments in write.h. */
|
|
#define fix_im_disp(X) (X)->fx_im_disp
|
|
#define fix_bit_fixP(X) (X)->fx_bit_fixP
|
|
#define fix_opcode_frag(X) (X)->tc_fix_data.opcode_fragP
|
|
#define fix_opcode_offset(X) (X)->tc_fix_data.opcode_offset
|
|
#define fix_bsr(X) (X)->tc_fix_data.bsr
|
|
|
|
#define TC_INIT_FIX_DATA(X) \
|
|
do \
|
|
{ \
|
|
fix_opcode_frag(X) = NULL; \
|
|
fix_opcode_offset(X) = 0; \
|
|
fix_bsr(X) = 0; \
|
|
} \
|
|
while(0)
|
|
|
|
#define TC_FIX_DATA_PRINT(FILE, FIXP) \
|
|
do \
|
|
{ \
|
|
fprintf((FILE), "opcode_frag=%ld, operand offset=%d, bsr=%d\n", \
|
|
(unsigned long) fix_opcode_frag (FIXP), \
|
|
fix_opcode_offset (FIXP), \
|
|
fix_bsr (FIXP)); \
|
|
} \
|
|
while(0)
|