19990502 sourceware importbinu_ss_19990502

1 files changed, 216 insertions, 0 deletions

diff --git a/gas/config/tc-m68k.h b/gas/config/tc-m68k.h
new file mode 100644
index 0000000..bc8308a
--- /dev/null
+++ b/gas/config/tc-m68k.h
@@ -0,0 +1,216 @@
+/* This file is tc-m68k.h
+   Copyright (C) 1987, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+   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_M68K 1
+
+#ifdef ANSI_PROTOTYPES
+struct symbol;
+struct fix;
+#endif
+
+#define TARGET_BYTES_BIG_ENDIAN 1
+
+#ifdef OBJ_AOUT
+#ifdef TE_SUN3
+#define TARGET_FORMAT "a.out-sunos-big"
+#endif
+#ifdef TE_NetBSD
+#define TARGET_FORMAT "a.out-m68k-netbsd"
+#endif
+#ifdef TE_LINUX
+#define TARGET_FORMAT "a.out-m68k-linux"
+#endif
+#ifndef TARGET_FORMAT
+#define TARGET_FORMAT "a.out-zero-big"
+#endif
+#endif
+
+#ifdef OBJ_ELF
+#define TARGET_FORMAT "elf32-m68k"
+#endif
+
+#ifdef TE_APOLLO
+#define COFF_MAGIC		APOLLOM68KMAGIC
+#define COFF_AOUTHDR_MAGIC	APOLLO_COFF_VERSION_NUMBER
+#undef OBJ_COFF_OMIT_OPTIONAL_HEADER
+#endif
+
+#ifdef TE_LYNX
+#define TARGET_FORMAT		"coff-m68k-lynx"
+#endif
+#ifdef TE_AUX
+#define TARGET_FORMAT		"coff-m68k-aux"
+#endif
+#ifdef TE_DELTA
+#define TARGET_FORMAT		"coff-m68k-sysv"
+#endif
+
+#ifndef COFF_MAGIC
+#define COFF_MAGIC MC68MAGIC
+#endif
+#define BFD_ARCH bfd_arch_m68k /* for non-BFD_ASSEMBLER */
+#define TARGET_ARCH bfd_arch_m68k /* BFD_ASSEMBLER */
+#define COFF_FLAGS F_AR32W
+#define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
+
+#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
+#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
+extern int tc_coff_sizemachdep PARAMS ((struct frag *));
+#ifdef TE_SUN3
+/* This variable contains the value to write out at the beginning of
+   the a.out file.  The 2<<16 means that this is a 68020 file instead
+   of an old-style 68000 file */
+
+#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC);	/* Magic byte for file header */
+#endif /* TE_SUN3 */
+
+#ifndef AOUT_MACHTYPE
+#define AOUT_MACHTYPE m68k_aout_machtype
+extern int m68k_aout_machtype;
+#endif
+
+#define tc_comment_chars m68k_comment_chars
+extern const char *m68k_comment_chars;
+
+#define tc_crawl_symbol_chain(a)	{;}	/* not used */
+#define tc_headers_hook(a)		{;}	/* not used */
+#define tc_aout_pre_write_hook(x)	{;}	/* not used */
+
+#define LISTING_WORD_SIZE 2	/* A word is 2 bytes */
+#define LISTING_LHS_WIDTH 2	/* One word on the first line */
+#define LISTING_LHS_WIDTH_SECOND 2	/* One word on the second line */
+#define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
+#define LISTING_HEADER "68K GAS "
+
+#ifndef REGISTER_PREFIX
+#define REGISTER_PREFIX '%'
+#endif
+
+#if !defined (REGISTER_PREFIX_OPTIONAL)
+#if defined (M68KCOFF) || defined (OBJ_ELF)
+#ifndef BFD_ASSEMBLER
+#define LOCAL_LABEL(name) (name[0] == '.' \
+			   && (name[1] == 'L' || name[1] == '.'))
+#endif /* ! BFD_ASSEMBLER */
+#define REGISTER_PREFIX_OPTIONAL 0
+#else /* ! (COFF || ELF) */
+#define REGISTER_PREFIX_OPTIONAL 1
+#endif /* ! (COFF || ELF) */
+#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
+
+#ifdef TE_DELTA
+/* On the Delta, `%' can occur within a label name, but not as the
+   initial character.  */
+#define LEX_PCT LEX_NAME
+/* On the Delta, `~' can start a label name, but is converted to '.'. */
+#define LEX_TILDE LEX_BEGIN_NAME
+#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
+/* On the Delta, dots are not required before pseudo-ops.  */
+#define NO_PSEUDO_DOT
+#ifndef BFD_ASSEMBLER
+#undef LOCAL_LABEL
+#define LOCAL_LABEL(name) \
+  (name[0] == '.' || (name[0] == 'L' && name[1] == '%'))
+#endif
+#endif
+
+extern void m68k_mri_mode_change PARAMS ((int));
+#define MRI_MODE_CHANGE(i) m68k_mri_mode_change (i)
+
+extern int m68k_conditional_pseudoop PARAMS ((pseudo_typeS *));
+#define tc_conditional_pseudoop(pop) m68k_conditional_pseudoop (pop)
+
+extern void m68k_frob_label PARAMS ((struct symbol *));
+#define tc_frob_label(sym) m68k_frob_label (sym)
+
+extern void m68k_flush_pending_output PARAMS ((void));
+#define md_flush_pending_output() m68k_flush_pending_output ()
+
+extern void m68k_frob_symbol PARAMS ((struct symbol *));
+
+#ifdef BFD_ASSEMBLER
+
+#define tc_frob_symbol(sym,punt)				\
+do								\
+  {								\
+    if (S_GET_SEGMENT (sym) == reg_section)			\
+      punt = 1;							\
+    m68k_frob_symbol (sym);					\
+  }								\
+while (0)
+
+#define NO_RELOC BFD_RELOC_NONE
+
+#ifdef OBJ_ELF
+
+/* This expression evaluates to false if the relocation is for a local object
+   for which we still want to do the relocation at runtime.  True if we
+   are willing to perform this relocation while building the .o file.  If
+   the reloc is against an externally visible symbol, then the assembler
+   should never do the relocation.  */
+
+#define TC_RELOC_RTSYM_LOC_FIXUP(FIX)			\
+	((FIX)->fx_addsy == NULL			\
+	 || (! S_IS_EXTERNAL ((FIX)->fx_addsy)		\
+	     && ! S_IS_WEAK ((FIX)->fx_addsy)		\
+	     && S_IS_DEFINED ((FIX)->fx_addsy)		\
+	     && ! S_IS_COMMON ((FIX)->fx_addsy)))
+
+#define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
+extern int tc_m68k_fix_adjustable PARAMS ((struct fix *));
+#endif
+
+#define TC_FORCE_RELOCATION(FIX)			\
+	((FIX)->fx_r_type == BFD_RELOC_VTABLE_INHERIT	\
+	 || (FIX)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+
+#else /* ! BFD_ASSEMBLER */
+
+#define tc_frob_coff_symbol(sym) m68k_frob_symbol (sym)
+
+#define NO_RELOC 0
+
+#endif /* ! BFD_ASSEMBLER */
+
+#define DIFF_EXPR_OK
+
+extern void m68k_init_after_args PARAMS ((void));
+#define tc_init_after_args m68k_init_after_args
+
+extern int m68k_parse_long_option PARAMS ((char *));
+#define md_parse_long_option m68k_parse_long_option
+
+#define md_operand(x)
+
+#define TARGET_WORD_SIZE 32
+#define TARGET_ARCH bfd_arch_m68k
+
+extern struct relax_type md_relax_table[];
+#define TC_GENERIC_RELAX_TABLE md_relax_table
+
+/* Copied from write.c */
+/* This was formerly called M68K_AIM_KLUDGE.  */
+#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
+  if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
+    aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
+  }
+
+/* end of tc-m68k.h */