/* tc-i960.h - Basic 80960 instruction formats.
- Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003, 2007
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,
+ published by the Free Software Foundation; either version 3,
or (at your option) any later version.
GAS is distributed in the hope that it will be useful, but
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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#ifndef TC_I960
#define TC_I960 1
+#ifdef OBJ_ELF
+#define TARGET_FORMAT "elf32-i960"
+#define TARGET_ARCH bfd_arch_i960
+#endif
+
#define TARGET_BYTES_BIG_ENDIAN 0
#define WORKING_DOT_WORD
*/
/* tailor gas */
-#define SYMBOLS_NEED_BACKPOINTERS
#define LOCAL_LABELS_FB 1
#define BITFIELD_CONS_EXPRESSIONS
/* tailor the coff format */
-#define BFD_ARCH bfd_arch_i960
-#define COFF_FLAGS F_AR32WR
#define COFF_MAGIC I960ROMAGIC
-#define OBJ_COFF_SECTION_HEADER_HAS_ALIGNMENT
#define OBJ_COFF_MAX_AUXENTRIES (2)
-#define TC_COUNT_RELOC(FIXP) (!(FIXP)->fx_done)
-#define TC_COFF_FIX2RTYPE(FIXP) tc_coff_fix2rtype(FIXP)
-#define TC_COFF_SIZEMACHDEP(FRAGP) tc_coff_sizemachdep(FRAGP)
-#define TC_COFF_SET_MACHINE(HDRS) tc_headers_hook (HDRS)
-extern void tc_headers_hook ();
-extern short tc_coff_fix2rtype ();
-extern int tc_coff_sizemachdep ();
/* MEANING OF 'n_other' in the symbol record.
*
#define N_CALLNAME ((char)-1)
#define N_BALNAME ((char)-2)
-/* i960 uses a custom relocation record. */
+/* i960 uses a custom relocation record. */
/* let obj-aout.h know */
#define CUSTOM_RELOC_FORMAT 1
nuthin:1; /* Unused */
};
+/* No shared lib support, so we don't need to ensure externally
+ visible symbols can be overridden. */
+#define EXTERN_FORCE_RELOC 0
+
+/* Makes no sense to use the difference of 2 arbitrary symbols
+ as the target of a call instruction. */
+#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
+ ((FIX)->fx_tcbit \
+ || ! SEG_NORMAL (SEG) \
+ || TC_FORCE_RELOCATION (FIX))
+
+/* reloc_callj() may replace a 'call' with a 'calls' or a
+ 'bal', in which cases it modifies *fixP as appropriate.
+ In the case of a 'calls', no further work is required. */
+extern int reloc_callj PARAMS ((struct fix *));
+
+#define TC_FORCE_RELOCATION_ABS(FIX) \
+ (TC_FORCE_RELOCATION (FIX) \
+ || reloc_callj (FIX))
+
+#define TC_FORCE_RELOCATION_LOCAL(FIX) \
+ (!(FIX)->fx_pcrel \
+ || TC_FORCE_RELOCATION (FIX) \
+ || reloc_callj (FIX))
+
#ifdef OBJ_COFF
/* We store the bal information in the sy_tc field. */
-#define TC_SYMFIELD_TYPE struct symbol *
+#define TC_SYMFIELD_TYPE symbolS *
-#define TC_ADJUST_RELOC_COUNT(FIXP,COUNT) \
- { fixS *tcfixp = (FIXP); \
+#define TC_ADJUST_RELOC_COUNT(FIX,COUNT) \
+ { fixS *tcfixp = (FIX); \
for (;tcfixp;tcfixp=tcfixp->fx_next) \
if (tcfixp->fx_tcbit && tcfixp->fx_addsy != 0) \
- ++(COUNT); \
+ ++(COUNT); \
}
#endif
-extern int i960_validate_fix PARAMS ((struct fix *, segT, struct symbol **));
-#define TC_VALIDATE_FIX(FIXP,SEGTYPE,LABEL) \
- if (i960_validate_fix (FIXP, SEGTYPE, &add_symbolP) != 0) goto LABEL
+extern int i960_validate_fix PARAMS ((struct fix *, segT));
+#define TC_VALIDATE_FIX(FIX,SEGTYPE,LABEL) \
+ if (!i960_validate_fix (FIX, SEGTYPE)) goto LABEL
+
+#define tc_fix_adjustable(FIX) ((FIX)->fx_bsr == 0)
-#define tc_fix_adjustable(FIXP) ((FIXP)->fx_bsr == 0)
+#ifndef OBJ_ELF
+/* Values passed to md_apply_fix sometimes include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) tc_fix_adjustable (FIX)
+#else
+/* Values passed to md_apply_fix don't include the symbol value. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+#endif
extern void brtab_emit PARAMS ((void));
#define md_end() brtab_emit ()
-extern void reloc_callj ();
+extern void tc_set_bal_of_call PARAMS ((symbolS *, symbolS *));
-extern void tc_set_bal_of_call PARAMS ((struct symbol *, struct symbol *));
+extern struct symbol *tc_get_bal_of_call PARAMS ((symbolS *));
-extern struct symbol *tc_get_bal_of_call PARAMS ((struct symbol *));
-
-extern void i960_handle_align ();
+extern void i960_handle_align PARAMS ((struct frag *));
#define HANDLE_ALIGN(FRAG) i960_handle_align (FRAG)
-#define NEED_FX_R_TYPE
#define NO_RELOC -1
#define md_operand(x)
#define TC_INIT_FIX_DATA(F) ((F)->tc_fix_data.bsr = 0)
#endif
-
-/* end of tc-i960.h */
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