old-cross-binutils/gas/ecoff.h
Ian Lance Taylor 49309057b4 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

110 lines
4.1 KiB
C

/* ecoff.h -- header file for ECOFF debugging support
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>.
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
along with GAS; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef GAS_ECOFF_H
#define GAS_ECOFF_H
#ifdef ECOFF_DEBUGGING
#include "coff/sym.h"
#include "coff/ecoff.h"
/* Whether we have seen any ECOFF debugging information. */
extern int ecoff_debugging_seen;
/* This function should be called at the start of assembly, by
obj_read_begin_hook. */
extern void ecoff_read_begin_hook PARAMS ((void));
/* This function should be called when the assembler switches to a new
file. */
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 ((symbolS *));
/* This function should be called by the obj_frob_symbol hook. */
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
filled in relative to the start of the *BUFP. It sets *BUFP to a
block of memory holding the debugging information. It returns the
length of *BUFP. */
extern unsigned long ecoff_build_debug
PARAMS ((HDRR *hdr, char **bufp, const struct ecoff_debug_swap *));
/* Functions to handle the ECOFF debugging directives. */
extern void ecoff_directive_begin PARAMS ((int));
extern void ecoff_directive_bend PARAMS ((int));
extern void ecoff_directive_end PARAMS ((int));
extern void ecoff_directive_ent PARAMS ((int));
extern void ecoff_directive_fmask PARAMS ((int));
extern void ecoff_directive_frame PARAMS ((int));
extern void ecoff_directive_loc PARAMS ((int));
extern void ecoff_directive_mask PARAMS ((int));
/* Other ECOFF directives. */
extern void ecoff_directive_extern PARAMS ((int));
extern void ecoff_directive_weakext PARAMS ((int));
/* Functions to handle the COFF debugging directives. */
extern void ecoff_directive_def PARAMS ((int));
extern void ecoff_directive_dim PARAMS ((int));
extern void ecoff_directive_endef PARAMS ((int));
extern void ecoff_directive_file PARAMS ((int));
extern void ecoff_directive_scl PARAMS ((int));
extern void ecoff_directive_size PARAMS ((int));
extern void ecoff_directive_tag PARAMS ((int));
extern void ecoff_directive_type PARAMS ((int));
extern void ecoff_directive_val PARAMS ((int));
/* Handle stabs. */
extern void ecoff_stab PARAMS ((segT sec, int what, const char *string,
int type, int other, int desc));
/* Set the GP prologue size. */
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 ((symbolS *, EXTR *));
#endif
/* This routine is used to patch up a line number directive when
instructions are moved around. */
extern void ecoff_fix_loc PARAMS ((fragS *, unsigned long));
/* This function is called from read.c to peek at cur_file_ptr. */
extern int ecoff_no_current_file PARAMS ((void));
/* This function returns the symbol associated with the current proc. */
extern symbolS *ecoff_get_cur_proc_sym PARAMS ((void));
#endif /* ECOFF_DEBUGGING */
/* This routine is called from read.c to generate line number for .s file. */
extern void ecoff_generate_asm_lineno PARAMS ((void));
#endif /* ! GAS_ECOFF_H */