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.
This commit is contained in:
Ian Lance Taylor
1999-06-03 00:29:48 +00:00
parent 2b47531bf9
commit 49309057b4
50 changed files with 1544 additions and 597 deletions

View File

@ -1,5 +1,5 @@
/* ecoff.h -- header file for ECOFF debugging support
Copyright (C) 1993, 94, 95, 96, 1997 Free Software Foundation, Inc.
Copyright (C) 1993, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Put together by Ian Lance Taylor <ian@cygnus.com>.
@ -41,10 +41,10 @@ extern void ecoff_new_file PARAMS ((const char *));
/* This function should be called when a new symbol is created, by
obj_symbol_new_hook. */
extern void ecoff_symbol_new_hook PARAMS ((struct symbol *));
extern void ecoff_symbol_new_hook PARAMS ((symbolS *));
/* This function should be called by the obj_frob_symbol hook. */
extern void ecoff_frob_symbol PARAMS ((struct symbol *));
extern void ecoff_frob_symbol PARAMS ((symbolS *));
/* Build the ECOFF debugging information. This should be called by
obj_frob_file. This fills in the counts in *HDR; the offsets are
@ -89,7 +89,7 @@ extern void ecoff_set_gp_prolog_size PARAMS ((int sz));
/* This routine is called from the ECOFF code to set the external
information for a symbol. */
#ifndef obj_ecoff_set_ext
extern void obj_ecoff_set_ext PARAMS ((struct symbol *, EXTR *));
extern void obj_ecoff_set_ext PARAMS ((symbolS *, EXTR *));
#endif
/* This routine is used to patch up a line number directive when
@ -100,7 +100,7 @@ extern void ecoff_fix_loc PARAMS ((fragS *, unsigned long));
extern int ecoff_no_current_file PARAMS ((void));
/* This function returns the symbol associated with the current proc. */
extern struct symbol *ecoff_get_cur_proc_sym PARAMS ((void));
extern symbolS *ecoff_get_cur_proc_sym PARAMS ((void));
#endif /* ECOFF_DEBUGGING */