1999-05-03 15:29:11 +08:00
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/* This file is tc-mcore.h
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2000-02-11 05:31:13 +08:00
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Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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1999-05-03 15:29:11 +08:00
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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2000-02-11 05:31:13 +08:00
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along with GAS; see the file COPYING. If not, write to the
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Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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1999-08-31 23:12:20 +08:00
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02111-1307, USA. */
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1999-05-03 15:29:11 +08:00
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#ifndef TC_MCORE
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#define TC_MCORE 1
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#ifndef BFD_ASSEMBLER
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#error MCORE support requires BFD_ASSEMBLER
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#endif
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#define TARGET_ARCH bfd_arch_mcore
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1999-11-04 02:19:22 +08:00
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/* Used to initialise target_big_endian. */
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#define TARGET_BYTES_BIG_ENDIAN 0
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1999-05-03 15:29:11 +08:00
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/* Don't write out relocs for pcrel stuff. */
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#define TC_COUNT_RELOC(x) (((x)->fx_addsy || (x)->fx_subsy) && \
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(x)->fx_r_type < BFD_RELOC_MCORE_PCREL_IMM8BY4)
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#define IGNORE_NONSTANDARD_ESCAPES
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#define TC_RELOC_MANGLE(a,b,c) tc_reloc_mangle (a, b, c)
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/* Some pseudo-op semantic extensions. */
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#define PSEUDO_LCOMM_OPTIONAL_ALIGN
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#define LISTING_HEADER "M.CORE GAS Version 2.9.4"
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#define LISTING_LHS_CONT_LINES 4
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#define NEED_FX_R_TYPE 1
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#define COFF_FLAGS 1
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/* We want local label support. */
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#define LOCAL_LABELS_FB 1
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#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep (frag)
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extern const struct relax_type md_relax_table[];
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#define TC_GENERIC_RELAX_TABLE md_relax_table
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#define md_end md_mcore_end
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/* Want the section information too... */
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#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
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#define MD_APPLY_FIX3 /* We want the segment as well. */
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#ifdef OBJ_COFF
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#define TARGET_FORMAT (target_big_endian ? "pe-mcore-big" : "pe-mcore-little")
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Add support for storing local symbols in a small structure to save
memory when assembling large files.
* as.h: Don't include struc-symbol.h.
(symbolS): Add typedef.
* symbols.c: Include struc-symbol.h.
(local_hash): New static variable.
(save_symbol_name): New static function, from symbol_create.
(symbol_create): Call save_symbol_name.
(local_symbol_count): New static variable.
(local_symbol_conversion_count): Likewise.
(LOCAL_SYMBOL_CHECK): Define.
(local_symbol_make): New static function.
(local_symbol_convert): New static function.
(colon): Handle local symbols. Create local symbol for local
label name.
(symbol_table_insert): Handle local symbols.
(symbol_find_or_make): Create local symbol for local label name.
(symbol_find_base): Check for local symbol.
(symbol_append, symbol_insert): Check for local symbols.
(symbol_clear_list_pointers, symbol_remove): Likewise.
(verify_symbol_chain): Likewise.
(copy_symbol_attributes): Likewise.
(resolve_symbol_value): Handle local symbols.
(resolve_local_symbol): New static function.
(resolve_local_symbol_values): New function.
(S_GET_VALUE, S_SET_VALUE): Handle local symbols.
(S_IS_FUNCTION, S_IS_EXTERNAL, S_IS_WEAK, S_IS_COMMON): Likewise.
(S_IS_DEFINED, S_IS_DEBUG, S_IS_LOCAL, S_GET_NAME): Likewise.
(S_GET_SEGMENT, S_SET_SEGMENT, S_SET_EXTERNAL): Likewise.
(S_CLEAR_EXTERNAL, S_SET_WEAK, S_SET_NAME): Likewise.
(symbol_previous, symbol_next): New functions.
(symbol_get_value_expression): Likewise.
(symbol_set_value_expression): Likewise.
(symbol_set_frag, symbol_get_frag): Likewise.
(symbol_mark_used, symbol_clear_used, symbol_used_p): Likewise.
(symbol_mark_used_in_reloc): Likewise.
(symbol_clear_used_in_reloc, symbol_used_in_reloc_p): Likewise.
(symbol_mark_mri_common, symbol_clear_mri_common): Likewise.
(symbol_mri_common_p): Likewise.
(symbol_mark_written, symbol_clear_written): Likewise.
(symbol_written_p): Likewise.
(symbol_mark_resolved, symbol_resolved_p): Likewise.
(symbol_section_p, symbol_equated_p): Likewise.
(symbol_constant_p): Likewise.
(symbol_get_bfdsym, symbol_set_bfdsym): Likewise.
(symbol_get_obj, symbol_set_obj): Likewise.
(symbol_get_tc, symbol_set_tc): Likewise.
(symbol_begin): Initialize local_hash.
(print_symbol_value_1): Handle local symbols.
(symbol_print_statistics): Print local symbol statistics.
* symbols.h: Include "struc-symbol.h" if not BFD_ASSEMBLER.
Declare new symbols.c functions. Move many declarations here from
struc-symbol.h.
(SYMBOLS_NEED_BACKPOINTERS): Define if needed.
* struc-symbol.h (SYMBOLS_NEED_BACKPOINTERS): Don't set.
(struct symbol): Move bsym to make it clearly the first field.
Remove TARGET_SYMBOL_FIELDS.
(symbolS): Don't typedef.
(struct broken_word): Remove.
(N_TYPE_seg, seg_N_TYPE): Move to symbol.h.
(SEGMENT_TO_SYMBOL_TYPE, N_REGISTER): Likewise.
(symbol_clear_list_pointers): Likewise.
(symbol_insert, symbol_remove): Likewise.
(symbol_previous, symbol_append): Likewise.
(verify_symbol_chain, verify_symbol_chain_2): Likewise.
(struct local_symbol): Define.
(local_symbol_converted_p, local_symbol_mark_converted): Define.
(local_symbol_resolved_p, local_symbol_mark_resolved): Define.
(local_symbol_get_frag, local_symbol_set_frag): Define.
(local_symbol_get_real_symbol): Define.
(local_symbol_set_real_symbol): Define.
Define.
* write.c (write_object_file): Call resolve_local_symbol_values.
* config/obj-ecoff.h (OBJ_SYMFIELD_TYPE): Define.
(TARGET_SYMBOL_FIELDS): Don't define.
* config/obj-elf.h (OBJ_SYMFIELD_TYPE): Add local field. If
ECOFF_DEBUGGING, add ECOFF fields.
(ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define.
* config/obj-multi.h (struct elf_obj_sy): Add local field. If
ECOFF_DEBUGGING, add ECOFF fields.
(ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define.
(ECOFF_DEBUG_TARGET_SYMBOL_FIELDS): Don't define.
* config/tc-mcore.h: Don't include struc-symbol.h.
(TARGET_SYMBOL_FIELDS): Don't define.
(struct mcore_tc_sy): Define.
(TC_SYMFIELD_TYPE): Define.
* Many files: Use symbolS instead of struct symbol. Use new
accessor functions rather than referring to symbolS fields
directly.
* read.c (s_mri_common): Don't add in value of line_label.
* config/tc-mips.c (md_apply_fix): Correct parenthesization when
checking for SEC_LINK_ONCE.
* config/tc-sh.h (sh_fix_adjustable): Declare.
1999-06-03 08:29:48 +08:00
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struct mcore_tc_sy
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{
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int sy_flags;
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};
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#define TC_SYMFIELD_TYPE struct mcore_tc_sy
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1999-05-03 15:29:11 +08:00
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1999-11-19 02:38:18 +08:00
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# if defined TE_PE
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# define TC_FORCE_RELOCATION(x) ((x)->fx_r_type == BFD_RELOC_RVA)
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# endif
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1999-05-03 15:29:11 +08:00
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#endif /* OBJ_COFF */
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#ifdef OBJ_ELF
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#define TARGET_FORMAT (target_big_endian ? "elf32-mcore-big" : "elf32-mcore-little")
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".ctors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".dtors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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/* Other special sections not generated by the assembler: .reginfo,
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.liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
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/* When relaxing, we need to emit various relocs we otherwise wouldn't. */
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#define TC_FORCE_RELOCATION(fix) mcore_force_relocation (fix)
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extern int mcore_force_relocation PARAMS ((struct fix *));
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#define obj_fix_adjustable(fixP) mcore_fix_adjustable (fixP)
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extern boolean mcore_fix_adjustable PARAMS ((struct fix *));
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#endif /* OBJ_ELF */
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#ifndef TARGET_FORMAT
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# error No target format specified.
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#endif
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#include "write.h" /* For definition of fixS */
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extern void md_begin PARAMS ((void));
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extern void md_assemble PARAMS ((char *));
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extern symbolS * md_undefined_symbol PARAMS ((char *));
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extern void md_mcore_end PARAMS ((void));
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extern char * md_atof PARAMS ((int, char *, int *));
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extern int md_parse_option PARAMS ((int, char *));
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extern void md_show_usage PARAMS ((FILE *));
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extern void md_create_short_jump
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PARAMS ((char *, addressT, addressT, fragS *, symbolS *));
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extern void md_create_long_jump
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PARAMS ((char *, addressT, addressT, fragS *, symbolS *));
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extern void md_convert_frag PARAMS ((bfd *, segT, fragS *));
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extern int md_apply_fix3 PARAMS ((fixS *, valueT *, segT));
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extern void md_operand PARAMS ((expressionS *));
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extern int md_estimate_size_before_relax PARAMS ((fragS *, segT));
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extern void md_number_to_chars PARAMS ((char *, valueT, int));
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extern valueT md_section_align PARAMS ((segT, valueT));
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extern long md_pcrel_from_section PARAMS ((fixS *, segT));
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extern arelent * tc_gen_reloc PARAMS ((asection *, fixS *));
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#endif /* TC_MCORE */
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