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120 lines
4.3 KiB
C
120 lines
4.3 KiB
C
/* tc-s390.h -- Header file for tc-s390.c.
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Copyright 2000, 2001 Free Software Foundation, Inc.
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Written by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#define TC_S390
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#ifdef ANSI_PROTOTYPES
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struct fix;
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#endif
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#ifndef BFD_ASSEMBLER
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#error S390 support requires BFD_ASSEMBLER
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#endif
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/* This expression evaluates to false if the relocation is for a local object
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for which we still want to do the relocation at runtime. True if we
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are willing to perform this relocation while building the .o file.
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This is only used for pcrel relocations, so GOTOFF does not need to be
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checked here. I am not sure if some of the others are ever used with
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pcrel, but it is easier to be safe than sorry. */
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#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
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((FIX)->fx_r_type != BFD_RELOC_390_GOTENT \
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&& ((FIX)->fx_addsy == NULL \
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|| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
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&& ! S_IS_WEAK ((FIX)->fx_addsy) \
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&& S_IS_DEFINED ((FIX)->fx_addsy) \
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&& ! S_IS_COMMON ((FIX)->fx_addsy))))
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#define TC_FORCE_RELOCATION(FIXP) \
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((FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
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|| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
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#define tc_fix_adjustable(X) tc_s390_fix_adjustable(X)
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extern int tc_s390_fix_adjustable PARAMS ((struct fix *));
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/* The target BFD architecture. */
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#define TARGET_ARCH bfd_arch_s390
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extern enum bfd_architecture s390_arch PARAMS ((void));
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/* The target BFD format. */
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#define TARGET_FORMAT s390_target_format()
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extern const char * s390_target_format PARAMS ((void));
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/* Set the endianness we are using. */
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#define TARGET_BYTES_BIG_ENDIAN 1
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/* Whether or not the target is big endian */
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extern int target_big_endian;
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/* Permit temporary numeric labels. */
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#define LOCAL_LABELS_FB 1
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/* $ is used to refer to the current location. */
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/* #define DOLLAR_DOT */
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/* We need to be able to make relocations involving the difference of
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two symbols. This includes the difference of two symbols when
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one of them is undefined (this comes up in PIC code generation).
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*/
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#define UNDEFINED_DIFFERENCE_OK
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/* foo-. gets turned into PC relative relocs */
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#define DIFF_EXPR_OK
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/* We don't need to handle .word strangely. */
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#define WORKING_DOT_WORD
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/* We set the fx_done field appropriately in md_apply_fix. */
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#define TC_HANDLES_FX_DONE
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#define md_number_to_chars number_to_chars_bigendian
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#define md_do_align(n, fill, len, max, around) \
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if ((n) && !need_pass_2 && (fill == 0) && \
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(bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) { \
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char *p; \
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p = frag_var (rs_align_code, 15, 1, (relax_substateT) max, \
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(symbolS *) 0, (offsetT) (n), (char *) 0); \
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*p = 0x07; \
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goto around; \
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}
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extern void s390_align_code PARAMS ((fragS *, int));
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#define HANDLE_ALIGN(fragP) \
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if (fragP->fr_type == rs_align_code) \
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s390_align_code (fragP, (fragP->fr_next->fr_address \
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- fragP->fr_address \
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- fragP->fr_fix));
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/* call md_apply_fix3 with segment instead of md_apply_fix */
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#define MD_APPLY_FIX3
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/* call md_pcrel_from_section, not md_pcrel_from */
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#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
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extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
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#define md_operand(x)
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extern void s390_md_end PARAMS ((void));
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#define md_end() s390_md_end ()
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