1999-05-03 07:29:11 +00:00
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/* This file is tc-m68k.h
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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 00:29:48 +00:00
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Copyright (C) 1987, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 1999
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1999-05-03 07:29:11 +00:00
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Free Software Foundation, Inc.
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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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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#define TC_M68K 1
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#ifdef ANSI_PROTOTYPES
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struct fix;
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#endif
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#define TARGET_BYTES_BIG_ENDIAN 1
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#ifdef OBJ_AOUT
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#ifdef TE_SUN3
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#define TARGET_FORMAT "a.out-sunos-big"
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#endif
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#ifdef TE_NetBSD
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#define TARGET_FORMAT "a.out-m68k-netbsd"
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#endif
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#ifdef TE_LINUX
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#define TARGET_FORMAT "a.out-m68k-linux"
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#endif
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#ifndef TARGET_FORMAT
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#define TARGET_FORMAT "a.out-zero-big"
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#endif
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#endif
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#ifdef OBJ_ELF
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#define TARGET_FORMAT "elf32-m68k"
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#endif
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#ifdef TE_APOLLO
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#define COFF_MAGIC APOLLOM68KMAGIC
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#define COFF_AOUTHDR_MAGIC APOLLO_COFF_VERSION_NUMBER
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#undef OBJ_COFF_OMIT_OPTIONAL_HEADER
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#endif
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#ifdef TE_LYNX
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#define TARGET_FORMAT "coff-m68k-lynx"
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#endif
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#ifdef TE_AUX
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#define TARGET_FORMAT "coff-m68k-aux"
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#endif
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#ifdef TE_DELTA
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#define TARGET_FORMAT "coff-m68k-sysv"
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#endif
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#ifndef COFF_MAGIC
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#define COFF_MAGIC MC68MAGIC
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#endif
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#define BFD_ARCH bfd_arch_m68k /* for non-BFD_ASSEMBLER */
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#define TARGET_ARCH bfd_arch_m68k /* BFD_ASSEMBLER */
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#define COFF_FLAGS F_AR32W
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#define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
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#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
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#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
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extern int tc_coff_sizemachdep PARAMS ((struct frag *));
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#ifdef TE_SUN3
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/* This variable contains the value to write out at the beginning of
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the a.out file. The 2<<16 means that this is a 68020 file instead
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of an old-style 68000 file */
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#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC); /* Magic byte for file header */
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#endif /* TE_SUN3 */
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#ifndef AOUT_MACHTYPE
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#define AOUT_MACHTYPE m68k_aout_machtype
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extern int m68k_aout_machtype;
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#endif
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#define tc_comment_chars m68k_comment_chars
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extern const char *m68k_comment_chars;
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#define tc_crawl_symbol_chain(a) {;} /* not used */
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#define tc_headers_hook(a) {;} /* not used */
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#define tc_aout_pre_write_hook(x) {;} /* not used */
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#define LISTING_WORD_SIZE 2 /* A word is 2 bytes */
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#define LISTING_LHS_WIDTH 2 /* One word on the first line */
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#define LISTING_LHS_WIDTH_SECOND 2 /* One word on the second line */
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#define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
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#define LISTING_HEADER "68K GAS "
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#ifndef REGISTER_PREFIX
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#define REGISTER_PREFIX '%'
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#endif
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#if !defined (REGISTER_PREFIX_OPTIONAL)
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#if defined (M68KCOFF) || defined (OBJ_ELF)
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#ifndef BFD_ASSEMBLER
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#define LOCAL_LABEL(name) (name[0] == '.' \
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&& (name[1] == 'L' || name[1] == '.'))
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#endif /* ! BFD_ASSEMBLER */
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#define REGISTER_PREFIX_OPTIONAL 0
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#else /* ! (COFF || ELF) */
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#define REGISTER_PREFIX_OPTIONAL 1
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#endif /* ! (COFF || ELF) */
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#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
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#ifdef TE_DELTA
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/* On the Delta, `%' can occur within a label name, but not as the
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initial character. */
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#define LEX_PCT LEX_NAME
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/* On the Delta, `~' can start a label name, but is converted to '.'. */
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#define LEX_TILDE LEX_BEGIN_NAME
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#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
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/* On the Delta, dots are not required before pseudo-ops. */
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#define NO_PSEUDO_DOT
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#ifndef BFD_ASSEMBLER
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#undef LOCAL_LABEL
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#define LOCAL_LABEL(name) \
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(name[0] == '.' || (name[0] == 'L' && name[1] == '%'))
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#endif
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#endif
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extern void m68k_mri_mode_change PARAMS ((int));
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#define MRI_MODE_CHANGE(i) m68k_mri_mode_change (i)
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extern int m68k_conditional_pseudoop PARAMS ((pseudo_typeS *));
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#define tc_conditional_pseudoop(pop) m68k_conditional_pseudoop (pop)
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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 00:29:48 +00:00
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extern void m68k_frob_label PARAMS ((symbolS *));
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1999-05-03 07:29:11 +00:00
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#define tc_frob_label(sym) m68k_frob_label (sym)
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extern void m68k_flush_pending_output PARAMS ((void));
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#define md_flush_pending_output() m68k_flush_pending_output ()
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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 00:29:48 +00:00
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extern void m68k_frob_symbol PARAMS ((symbolS *));
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1999-05-03 07:29:11 +00:00
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#ifdef BFD_ASSEMBLER
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#define tc_frob_symbol(sym,punt) \
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do \
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{ \
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if (S_GET_SEGMENT (sym) == reg_section) \
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punt = 1; \
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m68k_frob_symbol (sym); \
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} \
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while (0)
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#define NO_RELOC BFD_RELOC_NONE
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#ifdef OBJ_ELF
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/* This expression evaluates to false if the relocation is for a local object
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for which we still want to do the relocation at runtime. True if we
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are willing to perform this relocation while building the .o file. If
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the reloc is against an externally visible symbol, then the assembler
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should never do the relocation. */
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#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
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((FIX)->fx_addsy == NULL \
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|| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
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&& ! S_IS_WEAK ((FIX)->fx_addsy) \
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&& S_IS_DEFINED ((FIX)->fx_addsy) \
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&& ! S_IS_COMMON ((FIX)->fx_addsy)))
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#define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
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extern int tc_m68k_fix_adjustable PARAMS ((struct fix *));
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1999-05-05 10:58:59 +00:00
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#define elf_tc_final_processing m68k_elf_final_processing
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extern void m68k_elf_final_processing PARAMS ((void));
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1999-05-03 07:29:11 +00:00
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#endif
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#define TC_FORCE_RELOCATION(FIX) \
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((FIX)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
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|| (FIX)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
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#else /* ! BFD_ASSEMBLER */
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#define tc_frob_coff_symbol(sym) m68k_frob_symbol (sym)
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#define NO_RELOC 0
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#endif /* ! BFD_ASSEMBLER */
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#define DIFF_EXPR_OK
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extern void m68k_init_after_args PARAMS ((void));
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#define tc_init_after_args m68k_init_after_args
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extern int m68k_parse_long_option PARAMS ((char *));
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#define md_parse_long_option m68k_parse_long_option
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#define md_operand(x)
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#define TARGET_WORD_SIZE 32
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#define TARGET_ARCH bfd_arch_m68k
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extern struct relax_type md_relax_table[];
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#define TC_GENERIC_RELAX_TABLE md_relax_table
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/* Copied from write.c */
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/* This was formerly called M68K_AIM_KLUDGE. */
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#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
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if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
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aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
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}
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/* end of tc-m68k.h */
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