diff options
Diffstat (limited to 'gas/config/tc-i370.h')
-rw-r--r-- | gas/config/tc-i370.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gas/config/tc-i370.h b/gas/config/tc-i370.h new file mode 100644 index 0000000..8f32fa8 --- /dev/null +++ b/gas/config/tc-i370.h @@ -0,0 +1,104 @@ +/* tc-i370.h -- Header file for tc-i370.c. + Copyright (C) 1994, 95, 96, 97, 98, 2000 Free Software Foundation, Inc. + Written by Ian Lance Taylor, Cygnus Support. + + 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_I370 + +#ifdef ANSI_PROTOTYPES +struct fix; +#endif + +/* Set the endianness we are using. Default to big endian. */ +#ifndef TARGET_BYTES_BIG_ENDIAN +#define TARGET_BYTES_BIG_ENDIAN 1 +#endif + +#ifndef BFD_ASSEMBLER + #error I370 support requires BFD_ASSEMBLER +#endif + +/* The target BFD architecture. */ +#define TARGET_ARCH (i370_arch ()) +extern enum bfd_architecture i370_arch PARAMS ((void)); + +/* Whether or not the target is big endian */ +extern int target_big_endian; + +/* The target BFD format. */ +#ifdef OBJ_ELF +#define TARGET_FORMAT ("elf32-i370") +#endif + +/* Permit temporary numeric labels. */ +#define LOCAL_LABELS_FB 1 + +/* $ is used to refer to the current location. */ +/* #define DOLLAR_DOT */ + +#ifdef OBJ_ELF +#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ +#endif + +/* 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 + + +#ifdef OBJ_ELF + +/* Branch prediction relocations must force relocation. */ +#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) 1 + +/* Support for SHF_EXCLUDE and SHT_ORDERED */ +extern int i370_section_letter PARAMS ((int, char **)); +extern int i370_section_type PARAMS ((char *, size_t)); +extern int i370_section_word PARAMS ((char *, size_t)); +extern int i370_section_flags PARAMS ((int, int, int)); + +#define md_elf_section_letter(LETTER, PTR_MSG) i370_section_letter (LETTER, PTR_MSG) +#define md_elf_section_type(STR, LEN) i370_section_type (STR, LEN) +#define md_elf_section_word(STR, LEN) i370_section_word (STR, LEN) +#define md_elf_section_flags(FLAGS, ATTR, TYPE) i370_section_flags (FLAGS, ATTR, TYPE) + +#define tc_comment_chars i370_comment_chars +extern const char *i370_comment_chars; + +/* We must never ever try to resolve references to externally visible + symbols in the assembler, because the .o file might go into a shared + library, and some other shared library might override that symbol. */ +#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))) + +#endif /* OBJ_ELF */ + +/* 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) |