X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Fobj-aout.h;h=844ef8e7788a6db66eafc2d91a86be67d848b77f;hb=b99747aeed79ad69af8b8be4d9aa3a74200fca7d;hp=4884fed5b4944ab4227202c76c6049a9e51fd4b1;hpb=a39116f1c91d3642c068d9df871338cca9006be2;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/obj-aout.h b/gas/config/obj-aout.h index 4884fed5b4..844ef8e778 100644 --- a/gas/config/obj-aout.h +++ b/gas/config/obj-aout.h @@ -1,206 +1,70 @@ -/* a.out object file format - Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc. - +/* obj-aout.h, a.out object file format for gas, the assembler. + Copyright (C) 1989-2016 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 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* $Id$ */ + 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" -#ifndef VMS -#include "a.out.gnu.h" /* Needed to define struct nlist. Sigh. */ -#else -#include "a_out.h" -#endif +#include "bfd/libaout.h" -#ifndef AOUT_MACHTYPE -#define AOUT_MACHTYPE 0 -#endif /* AOUT_MACHTYPE */ +#define OUTPUT_FLAVOR bfd_target_aout_flavour -extern const short seg_N_TYPE[]; -extern const segT N_TYPE_seg[]; +extern const pseudo_typeS aout_pseudo_table[]; -#ifndef DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE -#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (OMAGIC) -#endif /* DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE */ +#ifndef obj_pop_insert +#define obj_pop_insert() pop_insert (aout_pseudo_table) +#endif -/* 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 */ -/* - * 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_OTHER(s) != 0) || (S_GET_DESC(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 */ -/* A symbol name whose name begin with ^A is a gas internal pseudo symbol - nameless symbols come from .stab directives. */ -#define S_IS_LOCAL(s) (S_GET_NAME(s) && \ - !S_IS_DEBUG(s) && \ - (S_GET_NAME(s)[0] == '\001' || \ - (S_LOCAL_NAME(s) && !flagseen['L']))) -/* 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 value of the symbol */ -#define S_GET_VALUE(s) (((s)->sy_symbol.n_value)) -/* 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) - -/* Modifiers */ -/* Set the value of the symbol */ -#define S_SET_VALUE(s,v) ((s)->sy_symbol.n_value = (unsigned long) (v)) -/* 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_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)) - -/* 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) (sizeof(struct exec)) -#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) * \ - sizeof(struct nlist)) - -#define H_SET_ENTRY_POINT(h,v) ((h)->header.a_entry = (v)) -#define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v)) - -/* - * Current means for getting the name of a segment. - * This will change for infinite-segments support (e.g. COFF). - */ -#define segment_name(seg) ( seg_name[(int)(seg)] ) -extern char *const seg_name[]; - -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) {;} +#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_before_fix() obj_aout_frob_file_before_fix () + +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) {;} -#ifdef __STDC__ -struct fix; -void tc_aout_fix_to_chars(char *where, struct fix *fixP, relax_addressT segment_address); -#else -void tc_aout_fix_to_chars(); -#endif /* __STDC__ */ - -/* - * Local Variables: - * comment-column: 0 - * fill-column: 131 - * End: - */ - -/* end of obj-aout.h */ +#define EMIT_SECTION_SYMBOLS 0 + +#define AOUT_STABS