1999-05-03 15:29:11 +08:00
|
|
|
/* ECOFF object file format header file.
|
2007-07-03 19:01:12 +08:00
|
|
|
Copyright 1993, 1994, 1995, 1996, 1997, 1999, 2002, 2004, 2005,
|
|
|
|
2007 Free Software Foundation, Inc.
|
1999-05-03 15:29:11 +08:00
|
|
|
Contributed by Cygnus Support.
|
|
|
|
Written by Ian Lance Taylor <ian@cygnus.com>.
|
|
|
|
|
|
|
|
This file is part of GAS.
|
|
|
|
|
|
|
|
GAS is free software; you can redistribute it and/or modify
|
|
|
|
it under the terms of the GNU General Public License as published by
|
2007-07-03 19:01:12 +08:00
|
|
|
the Free Software Foundation; either version 3, or (at your option)
|
1999-05-03 15:29:11 +08:00
|
|
|
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
|
2005-05-05 17:13:19 +08:00
|
|
|
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
|
|
|
|
02110-1301, USA. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
#define OBJ_ECOFF 1
|
|
|
|
|
|
|
|
/* Use the generic ECOFF debugging code. */
|
|
|
|
#define ECOFF_DEBUGGING 1
|
|
|
|
|
|
|
|
#define OUTPUT_FLAVOR bfd_target_ecoff_flavour
|
|
|
|
|
|
|
|
#include "targ-cpu.h"
|
|
|
|
|
|
|
|
#include "ecoff.h"
|
|
|
|
|
|
|
|
/* For each gas symbol we keep track of which file it came from, of
|
|
|
|
whether we have generated an ECOFF symbol for it, and whether the
|
|
|
|
symbols is undefined (this last is needed to distinguish a .extern
|
|
|
|
symbols from a .comm symbol). */
|
|
|
|
|
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
|
|
|
struct ecoff_sy_obj
|
|
|
|
{
|
|
|
|
struct efdr *ecoff_file;
|
|
|
|
struct localsym *ecoff_symbol;
|
1999-05-03 15:29:11 +08:00
|
|
|
valueT ecoff_extern_size;
|
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
|
|
|
};
|
|
|
|
|
|
|
|
#define OBJ_SYMFIELD_TYPE struct ecoff_sy_obj
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
/* Modify the ECOFF symbol. */
|
|
|
|
#define obj_frob_symbol(symp, punt) ecoff_frob_symbol (symp)
|
|
|
|
|
2002-09-05 08:01:18 +08:00
|
|
|
/* Set section VMAs and GP. */
|
|
|
|
#define obj_frob_file_before_fix() ecoff_frob_file_before_fix ()
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
/* This is used to write the symbolic data in the format that BFD
|
|
|
|
expects it. */
|
|
|
|
#define obj_frob_file() ecoff_frob_file ()
|
|
|
|
|
|
|
|
/* We use the ECOFF functions as our hooks. */
|
|
|
|
#define obj_read_begin_hook ecoff_read_begin_hook
|
|
|
|
#define obj_symbol_new_hook ecoff_symbol_new_hook
|
|
|
|
|
|
|
|
/* Record file switches in the ECOFF symbol table. */
|
2005-02-17 21:46:05 +08:00
|
|
|
#define obj_app_file(name, app) ecoff_new_file (name, app)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
/* At the moment we don't want to do any stabs processing in read.c. */
|
|
|
|
#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
|
|
|
|
ecoff_stab ((seg), (what), (string), (type), (other), (desc))
|
|
|
|
|
|
|
|
#define EMIT_SECTION_SYMBOLS 0
|
|
|
|
#define obj_sec_sym_ok_for_reloc(SEC) 1
|
|
|
|
|
|
|
|
#define obj_ecoff_set_ext ecoff_set_ext
|
2005-03-25 04:40:28 +08:00
|
|
|
|
|
|
|
extern void ecoff_frob_file_before_fix (void);
|
|
|
|
extern void ecoff_frob_file (void);
|
|
|
|
extern void obj_ecoff_set_ext (symbolS *, EXTR *);
|