/* obj-aout.h, a.out object file format for gas, the assembler.
- Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 1996
- Free Software Foundation, Inc.
+ Copyright (C) 1989-2021 Free Software Foundation, Inc.
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,
+ published by the Free Software Foundation; either version 3,
or (at your option) any later version.
GAS is distributed in the hope that it will be useful, but
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. */
+ 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, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* Tag to validate a.out object file format processing */
#define OBJ_AOUT 1
#include "targ-cpu.h"
-#ifdef BFD_ASSEMBLER
-
#include "bfd/libaout.h"
#define OUTPUT_FLAVOR bfd_target_aout_flavour
-#else /* ! BFD_ASSEMBLER */
+extern const pseudo_typeS aout_pseudo_table[];
-#ifndef VMS
-#include "aout_gnu.h" /* Needed to define struct nlist. Sigh. */
-#else
-#include "a_out.h"
+#ifndef obj_pop_insert
+#define obj_pop_insert() pop_insert (aout_pseudo_table)
#endif
-#ifndef AOUT_MACHTYPE
-#define AOUT_MACHTYPE 0
-#endif /* AOUT_MACHTYPE */
-
-extern const short seg_N_TYPE[];
-extern const segT N_TYPE_seg[];
-
-#ifndef DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE
-#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (OMAGIC)
-#endif /* DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE */
-
-#endif /* ! BFD_ASSEMBLER */
-
-/* SYMBOL TABLE */
-/* Symbol table entry data type */
+/* Symbol table entry data type. */
-typedef struct nlist obj_symbol_type; /* Symbol table entry */
+typedef struct nlist obj_symbol_type; /* Symbol table entry. */
/* Symbol table macros and constants */
-#ifdef BFD_ASSEMBLER
-
-#define S_SET_OTHER(S,V) (aout_symbol((S)->bsym)->other = (V))
-#define S_SET_TYPE(S,T) (aout_symbol((S)->bsym)->type = (T))
-#define S_SET_DESC(S,D) (aout_symbol((S)->bsym)->desc = (D))
-#define S_GET_OTHER(S) (aout_symbol((S)->bsym)->other)
-#define S_GET_TYPE(S) (aout_symbol((S)->bsym)->type)
-#define S_GET_DESC(S) (aout_symbol((S)->bsym)->desc)
-
-asection *text_section, *data_section, *bss_section;
+#define S_SET_OTHER(S,V) \
+ (aout_symbol (symbol_get_bfdsym (S))->other = (V))
+#define S_SET_TYPE(S,T) \
+ (aout_symbol (symbol_get_bfdsym (S))->type = (T))
+#define S_SET_DESC(S,D) \
+ (aout_symbol (symbol_get_bfdsym (S))->desc = (D))
+#define S_GET_OTHER(S) \
+ (aout_symbol (symbol_get_bfdsym (S))->other)
+#define S_GET_TYPE(S) \
+ (aout_symbol (symbol_get_bfdsym (S))->type)
+#define S_GET_DESC(S) \
+ (aout_symbol (symbol_get_bfdsym (S))->desc)
+
+extern asection *text_section, *data_section, *bss_section;
#define obj_frob_symbol(S,PUNT) obj_aout_frob_symbol (S, &PUNT)
-#define obj_frob_file() obj_aout_frob_file ()
-extern void obj_aout_frob_symbol PARAMS ((struct symbol *, int *));
-extern void obj_aout_frob_file PARAMS ((void));
-
-#define obj_sec_sym_ok_for_reloc(SEC) (1)
-
-#else
-
-/* We use the sy_obj field to record whether a symbol is weak. */
-#define OBJ_SYMFIELD_TYPE char
-
-/*
- * Macros to extract information from a symbol table entry.
- * This syntaxic indirection allows independence regarding a.out or coff.
- * The argument (s) of all these macros is a pointer to a symbol table entry.
- */
-
-/* True if the symbol is external */
-#define S_IS_EXTERNAL(s) ((s)->sy_symbol.n_type & N_EXT)
-
-/* True if symbol has been defined, ie is in N_{TEXT,DATA,BSS,ABS} or N_EXT */
-#define S_IS_DEFINED(s) \
- (S_GET_TYPE (s) != N_UNDF || S_GET_DESC (s) != 0)
-
-#define S_IS_COMMON(s) \
- (S_GET_TYPE (s) == N_UNDF && S_GET_VALUE (s) != 0)
-
-#define S_IS_REGISTER(s) ((s)->sy_symbol.n_type == N_REGISTER)
-
-/* True if a debug special symbol entry */
-#define S_IS_DEBUG(s) ((s)->sy_symbol.n_type & N_STAB)
-/* True if a symbol is local symbol name */
-#define S_IS_LOCAL(s) \
- ((S_GET_NAME (s) \
- && !S_IS_DEBUG (s) \
- && (strchr (S_GET_NAME (s), '\001') != NULL \
- || strchr (S_GET_NAME (s), '\002') != NULL \
- || (S_LOCAL_NAME(s) && !flag_keep_locals))) \
- || (flag_strip_local_absolute \
- && ! S_IS_EXTERNAL(s) \
- && S_GET_SEGMENT (s) == absolute_section))
-/* True if a symbol is not defined in this file */
-#define S_IS_EXTERN(s) ((s)->sy_symbol.n_type & N_EXT)
-/* True if the symbol has been generated because of a .stabd directive */
-#define S_IS_STABD(s) (S_GET_NAME(s) == (char *)0)
-
-/* Accessors */
-/* The name of the symbol */
-#define S_GET_NAME(s) ((s)->sy_symbol.n_un.n_name)
-/* The pointer to the string table */
-#define S_GET_OFFSET(s) ((s)->sy_symbol.n_un.n_strx)
-/* The type of the symbol */
-#define S_GET_TYPE(s) ((s)->sy_symbol.n_type & N_TYPE)
-/* The numeric value of the segment */
-#define S_GET_SEGMENT(s) (N_TYPE_seg[S_GET_TYPE(s)])
-/* The n_other expression value */
-#define S_GET_OTHER(s) ((s)->sy_symbol.n_other)
-/* The n_desc expression value */
-#define S_GET_DESC(s) ((s)->sy_symbol.n_desc)
-/* Whether the symbol is weak. */
-#define S_GET_WEAK(s) ((s)->sy_obj)
-
-/* Modifiers */
-/* Assume that a symbol cannot be simultaneously in more than on segment */
-/* set segment */
-#define S_SET_SEGMENT(s,seg) ((s)->sy_symbol.n_type &= ~N_TYPE,(s)->sy_symbol.n_type|=SEGMENT_TO_SYMBOL_TYPE(seg))
-/* The symbol is external */
-#define S_SET_EXTERNAL(s) ((s)->sy_symbol.n_type |= N_EXT)
-/* The symbol is not external */
-#define S_CLEAR_EXTERNAL(s) ((s)->sy_symbol.n_type &= ~N_EXT)
-/* Set the name of the symbol */
-#define S_SET_NAME(s,v) ((s)->sy_symbol.n_un.n_name = (v))
-/* Set the offset in the string table */
-#define S_SET_OFFSET(s,v) ((s)->sy_symbol.n_un.n_strx = (v))
-/* Set the n_type field */
-#define S_SET_TYPE(s,t) ((s)->sy_symbol.n_type = (t))
-/* Set the n_other expression value */
-#define S_SET_OTHER(s,v) ((s)->sy_symbol.n_other = (v))
-/* Set the n_desc expression value */
-#define S_SET_DESC(s,v) ((s)->sy_symbol.n_desc = (v))
-/* Mark the symbol as weak. This causes n_type to be adjusted when
- the symbol is written out. */
-#define S_SET_WEAK(s) ((s)->sy_obj = 1)
-
-/* File header macro and type definition */
-
-#define H_GET_FILE_SIZE(h) (H_GET_HEADER_SIZE(h) \
- + H_GET_TEXT_SIZE(h) \
- + H_GET_DATA_SIZE(h) \
- + H_GET_SYMBOL_TABLE_SIZE(h) \
- + H_GET_TEXT_RELOCATION_SIZE(h) \
- + H_GET_DATA_RELOCATION_SIZE(h) \
- + H_GET_STRING_SIZE(h))
-
-#define H_GET_HEADER_SIZE(h) (EXEC_BYTES_SIZE)
-#define H_GET_TEXT_SIZE(h) ((h)->header.a_text)
-#define H_GET_DATA_SIZE(h) ((h)->header.a_data)
-#define H_GET_BSS_SIZE(h) ((h)->header.a_bss)
-#define H_GET_TEXT_RELOCATION_SIZE(h) ((h)->header.a_trsize)
-#define H_GET_DATA_RELOCATION_SIZE(h) ((h)->header.a_drsize)
-#define H_GET_SYMBOL_TABLE_SIZE(h) ((h)->header.a_syms)
-#define H_GET_ENTRY_POINT(h) ((h)->header.a_entry)
-#define H_GET_STRING_SIZE(h) ((h)->string_table_size)
-#define H_GET_LINENO_SIZE(h) (0)
-
-#define H_GET_DYNAMIC(h) ((h)->header.a_info >> 31)
-#define H_GET_VERSION(h) (((h)->header.a_info >> 24) & 0x7f)
-#define H_GET_MACHTYPE(h) (((h)->header.a_info >> 16) & 0xff)
-#define H_GET_MAGIC_NUMBER(h) ((h)->header.a_info & 0xffff)
-
-#define H_SET_DYNAMIC(h,v) ((h)->header.a_info = (((v) << 31) \
- | (H_GET_VERSION(h) << 24) \
- | (H_GET_MACHTYPE(h) << 16) \
- | (H_GET_MAGIC_NUMBER(h))))
-
-#define H_SET_VERSION(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC(h) << 31) \
- | ((v) << 24) \
- | (H_GET_MACHTYPE(h) << 16) \
- | (H_GET_MAGIC_NUMBER(h))))
-
-#define H_SET_MACHTYPE(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC(h) << 31) \
- | (H_GET_VERSION(h) << 24) \
- | ((v) << 16) \
- | (H_GET_MAGIC_NUMBER(h))))
-
-#define H_SET_MAGIC_NUMBER(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC(h) << 31) \
- | (H_GET_VERSION(h) << 24) \
- | (H_GET_MACHTYPE(h) << 16) \
- | ((v))))
-
-#define H_SET_TEXT_SIZE(h,v) ((h)->header.a_text = md_section_align(SEG_TEXT, (v)))
-#define H_SET_DATA_SIZE(h,v) ((h)->header.a_data = md_section_align(SEG_DATA, (v)))
-#define H_SET_BSS_SIZE(h,v) ((h)->header.a_bss = md_section_align(SEG_BSS, (v)))
-
-#define H_SET_RELOCATION_SIZE(h,t,d) (H_SET_TEXT_RELOCATION_SIZE((h),(t)),\
- H_SET_DATA_RELOCATION_SIZE((h),(d)))
-
-#define H_SET_TEXT_RELOCATION_SIZE(h,v) ((h)->header.a_trsize = (v))
-#define H_SET_DATA_RELOCATION_SIZE(h,v) ((h)->header.a_drsize = (v))
-#define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->header.a_syms = (v) * 12)
-
-#define H_SET_ENTRY_POINT(h,v) ((h)->header.a_entry = (v))
-#define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v))
-
-typedef struct
- {
- struct exec header; /* a.out header */
- long string_table_size; /* names + '\0' + sizeof(int) */
- }
-
-object_headers;
-
-/* line numbering stuff. */
-#define OBJ_EMIT_LINENO(a, b, c) {;}
-
-struct fix;
-void tc_aout_fix_to_chars PARAMS ((char *where, struct fix *fixP, relax_addressT segment_address));
+#define obj_frob_file_before_fix() obj_aout_frob_file_before_fix ()
-#endif
+extern void obj_aout_frob_symbol (symbolS *, int *);
+extern void obj_aout_frob_file_before_fix (void);
+#define obj_sec_sym_ok_for_reloc(SEC) 1
+
+#define obj_read_begin_hook() {;}
#define obj_symbol_new_hook(s) {;}
#define EMIT_SECTION_SYMBOLS 0
#define AOUT_STABS
-
-/* end of obj-aout.h */
projects / thirdparty / binutils-gdb.git / blobdiff