118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
/* tc-microblaze.h -- Header file for tc-microblaze.c.
|
|
|
|
Copyright (C) 2009-2018 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
|
|
#ifndef TARGET_BYTES_BIG_ENDIAN
|
|
/* Used to initialise target_big_endian. */
|
|
#define TARGET_BYTES_BIG_ENDIAN 1
|
|
#endif
|
|
|
|
#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 bfd_reloc_code_real_type parse_cons_expression_microblaze
|
|
(expressionS *, int);
|
|
|
|
#define TC_FORCE_RELOCATION_SECTION(FIXP,SEG) 1
|
|
#define UNDEFINED_DIFFERENCE_OK 1
|
|
|
|
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
|
|
(GENERIC_FORCE_RELOCATION_LOCAL (FIX) \
|
|
|| (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)
|
|
|
|
#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-microblazeel")
|
|
|
|
#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 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 *,
|
|
bfd_reloc_code_real_type);
|
|
extern void md_apply_fix3 (fixS *, valueT *, segT);
|
|
|
|
#define EXTERN_FORCE_RELOC -1
|
|
|
|
#endif /* TC_MICROBLAZE */
|