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Diffstat (limited to 'gas/config/tc-s390.h')
| -rw-r--r-- | gas/config/tc-s390.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/gas/config/tc-s390.h b/gas/config/tc-s390.h new file mode 100644 index 0000000..954fa18 --- /dev/null +++ b/gas/config/tc-s390.h @@ -0,0 +1,113 @@ +/* tc-s390.h -- Header file for tc-s390.c. + Copyright (C) 2000 Free Software Foundation, Inc. + Written by Martin Schwidefsky (schwidefsky@de.ibm.com). + + 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_S390 + +#ifdef ANSI_PROTOTYPES +struct fix; +#endif + +#ifndef BFD_ASSEMBLER + #error S390 support requires BFD_ASSEMBLER +#endif + +/* 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. + This is only used for pcrel relocations, so GOTOFF does not need to be + checked here. I am not sure if some of the others are ever used with + pcrel, but it is easier to be safe than sorry. */ + +#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_s390_fix_adjustable(X) +extern int tc_s390_fix_adjustable PARAMS ((struct fix *)); + +/* The target BFD architecture. */ +#define TARGET_ARCH bfd_arch_s390 +extern enum bfd_architecture s390_arch PARAMS ((void)); + +/* The target BFD format. */ +#define TARGET_FORMAT s390_target_format() + +/* Set the endianness we are using. */ +#define TARGET_BYTES_BIG_ENDIAN 1 + +/* Whether or not the target is big endian */ +extern int target_big_endian; + +/* Permit temporary numeric labels. */ +#define LOCAL_LABELS_FB 1 + +/* $ is used to refer to the current location. */ +/* #define DOLLAR_DOT */ + +/* We need to be able to make relocations involving the difference of + two symbols. This includes the difference of two symbols when + one of them is undefined (this comes up in PIC code generation). + */ +#define UNDEFINED_DIFFERENCE_OK + +/* foo-. gets turned into PC relative relocs */ +#define DIFF_EXPR_OK + +/* We don't need to handle .word strangely. */ +#define WORKING_DOT_WORD + +/* We set the fx_done field appropriately in md_apply_fix. */ +#define TC_HANDLES_FX_DONE + +#define md_number_to_chars number_to_chars_bigendian + +#define md_do_align(n, fill, len, max, around) \ +if ((n) && !need_pass_2 && (fill == 0) && \ + (bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) { \ + char *p; \ + p = frag_var (rs_align_code, 15, 1, (relax_substateT) max, \ + (symbolS *) 0, (offsetT) (n), (char *) 0); \ + *p = 0x07; \ + goto around; \ +} + +extern void s390_align_code PARAMS ((fragS *, int)); + +#define HANDLE_ALIGN(fragP) \ +if (fragP->fr_type == rs_align_code) \ + s390_align_code (fragP, (fragP->fr_next->fr_address \ + - fragP->fr_address \ + - fragP->fr_fix)); + +/* call md_apply_fix3 with segment instead of md_apply_fix */ +#define MD_APPLY_FIX3 + +/* call md_pcrel_from_section, not md_pcrel_from */ +#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC) +extern long md_pcrel_from_section PARAMS ((struct fix *, segT)); + +#define md_operand(x) + +extern void s390_md_end PARAMS ((void)); +#define md_end() s390_md_end () |