diff options
Diffstat (limited to 'gas/config/tc-microblaze.h')
| -rw-r--r-- | gas/config/tc-microblaze.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gas/config/tc-microblaze.h b/gas/config/tc-microblaze.h new file mode 100644 index 0000000000..db8d22773e --- /dev/null +++ b/gas/config/tc-microblaze.h @@ -0,0 +1,114 @@ +/* tc-microblaze.h -- Header file for tc-microblaze.c. + + Copyright 2009 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + +#ifndef TC_MICROBLAZE +#define TC_MICROBLAZE 1 + +#define TARGET_ARCH bfd_arch_microblaze +/* Used to initialise target_big_endian. */ +#define TARGET_BYTES_BIG_ENDIAN 1 + +#define IGNORE_NONSTANDARD_ESCAPES + +#define TC_RELOC_MANGLE(a,b,c) tc_reloc_mangle (a, b, c) + +/* We need to handle expressions of type "symbol op symbol" and create + relocs for such expressions as -relax in linker can change the value + of such expressions */ +#define TC_CONS_FIX_NEW cons_fix_new_microblaze +#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_cons_expression_microblaze (EXP, NBYTES) +extern void parse_cons_expression_microblaze PARAMS ((expressionS *, int)); + +#define TC_FORCE_RELOCATION_SECTION(FIXP,SEG) 1 +#define UNDEFINED_DIFFERENCE_OK 1 + +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (!(FIX)->fx_pcrel \ + || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_64_GOT \ + || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_64_PLT \ + || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_64_GOTOFF \ + || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_32_GOTOFF \ + || TC_FORCE_RELOCATION (FIX)) + +#define tc_fix_adjustable(X) tc_microblaze_fix_adjustable(X) +extern int tc_microblaze_fix_adjustable (struct fix *); + +extern const struct relax_type md_relax_table[]; +#define TC_GENERIC_RELAX_TABLE md_relax_table + +/* We don't need to handle .word strangely. */ +#define WORKING_DOT_WORD + +#define LISTING_HEADER "Xilinx MicroBlaze GAS Listing" +#define LISTING_LHS_CONT_LINES 4 + +#define NEED_FX_R_TYPE 1 + +/* We want local label support. */ +#define LOCAL_LABELS_FB 1 + +/* Want the section information too... */ +#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) + +#define MD_APPLY_FIX3 /* We want the segment as well. */ + +/* We set the fx_done field appropriately in md_apply_fix. */ +#define TC_HANDLES_FX_DONE + +#ifdef OBJ_ELF + +#define TARGET_FORMAT (target_big_endian ? "elf32-microblaze" : "elf32-microblaze-little") + +#define ELF_TC_SPECIAL_SECTIONS \ + { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ + { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \ + { ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \ + { ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \ +/* Other special sections not generated by the assembler: .reginfo, + .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */ + +#endif /* OBJ_ELF */ + +#ifndef TARGET_FORMAT +# error No target format specified. +#endif + +#include "write.h" /* For definition of fixS */ + +extern void md_begin (void); +extern void md_assemble (char *); +extern symbolS * md_undefined_symbol (char *); +extern char * md_atof (int, char *, int *); +extern int md_parse_option (int, char *); +extern void md_show_usage (FILE *); +extern void md_convert_frag (bfd *, segT, fragS *); +extern void md_operand (expressionS *); +extern int md_estimate_size_before_relax (fragS *, segT); +extern void md_number_to_chars (char *, valueT, int); +extern valueT md_section_align (segT, valueT); +extern long md_pcrel_from_section (fixS *, segT); +extern arelent * tc_gen_reloc (asection *, fixS *); +extern void cons_fix_new_microblaze (fragS *, int, int, expressionS *); +extern void md_apply_fix3 (fixS *, valueT *, segT); + +#define EXTERN_FORCE_RELOC -1 + +#endif /* TC_MICROBLAZE */ |
