binutils-gdb/gas/config/tc-mcore.h

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/* This file is tc-mcore.h
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Copyright 1999, 2000 Free Software Foundation, Inc.
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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
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along with GAS; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef TC_MCORE
#define TC_MCORE 1
#ifndef BFD_ASSEMBLER
#error MCORE support requires BFD_ASSEMBLER
#endif
#define TARGET_ARCH bfd_arch_mcore
/* Used to initialise target_big_endian. */
#define TARGET_BYTES_BIG_ENDIAN 0
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/* Don't write out relocs for pcrel stuff. */
#define TC_COUNT_RELOC(x) (((x)->fx_addsy || (x)->fx_subsy) && \
(x)->fx_r_type < BFD_RELOC_MCORE_PCREL_IMM8BY4)
#define IGNORE_NONSTANDARD_ESCAPES
#define TC_RELOC_MANGLE(a,b,c) tc_reloc_mangle (a, b, c)
/* Some pseudo-op semantic extensions. */
#define PSEUDO_LCOMM_OPTIONAL_ALIGN
#define LISTING_HEADER "M.CORE GAS Version 2.9.4"
#define LISTING_LHS_CONT_LINES 4
#define NEED_FX_R_TYPE 1
#define COFF_FLAGS 1
/* We want local label support. */
#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[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
#define md_end md_mcore_end
/* Want the section information too... */
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#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
#define MD_APPLY_FIX3 /* We want the segment as well. */
#ifdef OBJ_COFF
#define TARGET_FORMAT (target_big_endian ? "pe-mcore-big" : "pe-mcore-little")
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.
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struct mcore_tc_sy
{
int sy_flags;
};
#define TC_SYMFIELD_TYPE struct mcore_tc_sy
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# if defined TE_PE
# define TC_FORCE_RELOCATION(x) ((x)->fx_r_type == BFD_RELOC_RVA)
# endif
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#endif /* OBJ_COFF */
#ifdef OBJ_ELF
#define TARGET_FORMAT (target_big_endian ? "elf32-mcore-big" : "elf32-mcore-little")
#define ELF_TC_SPECIAL_SECTIONS \
{ ".ctors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
{ ".dtors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
/* Other special sections not generated by the assembler: .reginfo,
.liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
/* When relaxing, we need to emit various relocs we otherwise wouldn't. */
#define TC_FORCE_RELOCATION(fix) mcore_force_relocation (fix)
extern int mcore_force_relocation PARAMS ((struct fix *));
#define obj_fix_adjustable(fixP) mcore_fix_adjustable (fixP)
extern boolean mcore_fix_adjustable PARAMS ((struct fix *));
#endif /* OBJ_ELF */
#ifndef TARGET_FORMAT
# error No target format specified.
#endif
#include "write.h" /* For definition of fixS */
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extern void md_begin PARAMS ((void));
extern void md_assemble PARAMS ((char *));
extern symbolS * md_undefined_symbol PARAMS ((char *));
extern void md_mcore_end PARAMS ((void));
extern char * md_atof PARAMS ((int, char *, int *));
extern int md_parse_option PARAMS ((int, char *));
extern void md_show_usage PARAMS ((FILE *));
extern void md_create_short_jump
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PARAMS ((char *, addressT, addressT, fragS *, symbolS *));
extern void md_create_long_jump
PARAMS ((char *, addressT, addressT, fragS *, symbolS *));
extern void md_convert_frag PARAMS ((bfd *, segT, fragS *));
extern int md_apply_fix3 PARAMS ((fixS *, valueT *, segT));
extern void md_operand PARAMS ((expressionS *));
extern int md_estimate_size_before_relax PARAMS ((fragS *, segT));
extern void md_number_to_chars PARAMS ((char *, valueT, int));
extern valueT md_section_align PARAMS ((segT, valueT));
extern long md_pcrel_from_section PARAMS ((fixS *, segT));
extern arelent * tc_gen_reloc PARAMS ((asection *, fixS *));
#endif /* TC_MCORE */