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Diffstat (limited to 'gas/config/tc-sh.h')
| -rw-r--r-- | gas/config/tc-sh.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/gas/config/tc-sh.h b/gas/config/tc-sh.h new file mode 100644 index 0000000..cc02eab --- /dev/null +++ b/gas/config/tc-sh.h @@ -0,0 +1,152 @@ +/* This file is tc-sh.h + Copyright (C) 1993, 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_SH + +#define TARGET_BYTES_BIG_ENDIAN 0 + +#define TARGET_ARCH bfd_arch_sh + +#if ANSI_PROTOTYPES +struct segment_info_struct; +struct internal_reloc; +#endif + +/* Whether in little endian mode. */ +extern int shl; + +/* Whether -relax was used. */ +extern int sh_relax; + +/* Whether -small was used. */ +extern int sh_small; + +/* Don't try to break words. */ +#define WORKING_DOT_WORD + +/* We require .long, et. al., to be aligned correctly. */ +#define md_cons_align(nbytes) sh_cons_align (nbytes) +extern void sh_cons_align PARAMS ((int)); + +/* When relaxing, we need to generate relocations for alignment + directives. */ +#define HANDLE_ALIGN(frag) sh_handle_align (frag) +extern void sh_handle_align PARAMS ((fragS *)); + +/* We need to force out some relocations when relaxing. */ +#define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix) +extern int sh_force_relocation (); + +#ifdef OBJ_ELF +#define obj_fix_adjustable(fixP) sh_fix_adjustable(fixP) +#endif + +#define IGNORE_NONSTANDARD_ESCAPES + +#define LISTING_HEADER (shl ? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian") + +#define md_operand(x) + +extern const struct relax_type md_relax_table[]; +#define TC_GENERIC_RELAX_TABLE md_relax_table + +/* We use a special alignment function to insert the correct nop + pattern. */ +extern int sh_do_align PARAMS ((int, const char *, int, int)); +#define md_do_align(n,fill,len,max,l) if (sh_do_align (n,fill,len,max)) goto l + +/* We record, for each section, whether we have most recently output a + CODE reloc or a DATA reloc. */ +struct sh_segment_info_type +{ + int in_code : 1; +}; +#define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type + +/* We call a routine to emit a reloc for a label, so that the linker + can align loads and stores without crossing a label. */ +extern void sh_frob_label PARAMS ((void)); +#define tc_frob_label(sym) sh_frob_label () + +/* We call a routine to flush pending output in order to output a DATA + reloc when required. */ +extern void sh_flush_pending_output PARAMS ((void)); +#define md_flush_pending_output() sh_flush_pending_output () + +#ifdef BFD_ASSEMBLER +#define tc_frob_file_before_adjust sh_frob_file +#else +#define tc_frob_file sh_frob_file +#endif +extern void sh_frob_file PARAMS ((void)); + +#ifdef OBJ_COFF +/* COFF specific definitions. */ + +#define DO_NOT_STRIP 0 + +/* This macro translates between an internal fix and an coff reloc type */ +#define TC_COFF_FIX2RTYPE(fix) ((fix)->fx_r_type) + +#define BFD_ARCH TARGET_ARCH + +#define COFF_MAGIC (shl ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG) + +/* We need to write out relocs which have not been completed. */ +#define TC_COUNT_RELOC(fix) ((fix)->fx_addsy != NULL) + +#define TC_RELOC_MANGLE(seg, fix, int, paddr) \ + sh_coff_reloc_mangle ((seg), (fix), (int), (paddr)) +extern void sh_coff_reloc_mangle + PARAMS ((struct segment_info_struct *, struct fix *, + struct internal_reloc *, unsigned int)); + +#define tc_coff_symbol_emit_hook(a) ; /* not used */ + +#define NEED_FX_R_TYPE 1 + +#define TC_KEEP_FX_OFFSET 1 + +#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag) +extern int tc_coff_sizemachdep PARAMS ((fragS *)); + +/* We align most sections to a 16 byte boundary. */ +#define SUB_SEGMENT_ALIGN(SEG) \ + (strncmp (obj_segment_name (SEG), ".stabstr", 8) == 0 \ + ? 0 \ + : ((strncmp (obj_segment_name (SEG), ".stab", 5) == 0 \ + || strcmp (obj_segment_name (SEG), ".ctors") == 0 \ + || strcmp (obj_segment_name (SEG), ".dtors") == 0) \ + ? 2 \ + : (sh_small ? 2 : 4))) + +#endif /* OBJ_COFF */ + +#ifdef OBJ_ELF +/* ELF specific definitions. */ + +/* Whether or not the target is big endian */ +extern int target_big_endian; + +#define TARGET_FORMAT (shl ? "elf32-shl" : "elf32-sh") + +#endif /* OBJ_ELF */ + +/* end of tc-sh.h */ |