This file is indexed.

/usr/alpha-linux-gnu/include/a.out.h is in libc6.1-dev-alpha-cross 2.27-3ubuntu1cross1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#ifndef __A_OUT_GNU_H__
#define __A_OUT_GNU_H__

#include <bits/a.out.h>

#define __GNU_EXEC_MACROS__

/*
 * OSF/1 ECOFF header structs.  ECOFF files consist of:
 *      - a file header (struct filehdr),
 *      - an a.out header (struct aouthdr),
 *      - one or more section headers (struct scnhdr).
 *        The filhdr's "f_nscns" field contains the
 *        number of section headers.
 */

struct filehdr
{
  /* OSF/1 "file" header */
  unsigned short f_magic, f_nscns;
  unsigned int   f_timdat;
  unsigned long  f_symptr;
  unsigned int   f_nsyms;
  unsigned short f_opthdr, f_flags;
};

struct aouthdr
{
  unsigned long info;		/* After that it looks quite normal..  */
  unsigned long tsize;
  unsigned long dsize;
  unsigned long bsize;
  unsigned long entry;
  unsigned long text_start;	/* With a few additions that actually make sense.  */
  unsigned long data_start;
  unsigned long bss_start;
  unsigned int  gprmask, fprmask; /* Bitmask of general & floating point regs used in binary.  */
  unsigned long gpvalue;
};

struct scnhdr
{
  char           s_name[8];
  unsigned long  s_paddr;
  unsigned long  s_vaddr;
  unsigned long  s_size;
  unsigned long  s_scnptr;
  unsigned long  s_relptr;
  unsigned long  s_lnnoptr;
  unsigned short s_nreloc;
  unsigned short s_nlnno;
  unsigned int   s_flags;
};

struct exec
{
  /* OSF/1 "file" header */
  struct filehdr fh;
  struct aouthdr ah;
};

#define a_info		ah.info
#define a_text		ah.tsize
#define a_data		ah.dsize
#define a_bss		ah.bsize
#define a_entry		ah.entry
#define a_textstart	ah.text_start
#define a_datastart	ah.data_start
#define a_bssstart	ah.bss_start
#define a_gprmask	ah.gprmask
#define a_fprmask	ah.fprmask
#define a_gpvalue	ah.gpvalue


#define AOUTHSZ		sizeof(struct aouthdr)
#define SCNHSZ		sizeof(struct scnhdr)
#define SCNROUND	16

enum machine_type
{
  M_OLDSUN2 = 0,
  M_68010 = 1,
  M_68020 = 2,
  M_SPARC = 3,
  M_386 = 100,
  M_MIPS1 = 151,
  M_MIPS2 = 152
};

#define N_MAGIC(exec)	((exec).a_info & 0xffff)
#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
#define N_FLAGS(exec)	(((exec).a_info >> 24) & 0xff)
#define N_SET_INFO(exec, magic, type, flags) \
  ((exec).a_info = ((magic) & 0xffff)					\
   | (((int)(type) & 0xff) << 16)					\
   | (((flags) & 0xff) << 24))
#define N_SET_MAGIC(exec, magic) \
  ((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff))
#define N_SET_MACHTYPE(exec, machtype) \
  ((exec).a_info =							\
   ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
#define N_SET_FLAGS(exec, flags) \
  ((exec).a_info =							\
   ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))

/* Code indicating object file or impure executable.  */
#define OMAGIC 0407
/* Code indicating pure executable.  */
#define NMAGIC 0410
/* Code indicating demand-paged executable.  */
#define ZMAGIC 0413
/* This indicates a demand-paged executable with the header in the text.
   The first page is unmapped to help trap NULL pointer references.  */
#define QMAGIC 0314
/* Code indicating core file.  */
#define CMAGIC 0421

#define N_TRSIZE(x)	0
#define N_DRSIZE(x)	0
#define N_SYMSIZE(x)	0
#define N_BADMAG(x) \
  (N_MAGIC(x) != OMAGIC	&& N_MAGIC(x) != NMAGIC				\
   && N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC)
#define _N_HDROFF(x)	(1024 - sizeof (struct exec))
#define N_TXTOFF(x) \
  ((long) N_MAGIC(x) == ZMAGIC ? 0 :					\
   (sizeof (struct exec) + (x).fh.f_nscns * SCNHSZ + SCNROUND - 1)	\
   & ~(SCNROUND - 1))

#define N_DATOFF(x)	(N_TXTOFF(x) + (x).a_text)
#define N_TRELOFF(x)	(N_DATOFF(x) + (x).a_data)
#define N_DRELOFF(x)	(N_TRELOFF(x) + N_TRSIZE(x))
#define N_SYMOFF(x)	(N_DRELOFF(x) + N_DRSIZE(x))
#define N_STROFF(x)	(N_SYMOFF(x) + N_SYMSIZE(x))

/* Address of text segment in memory after it is loaded.  */
#define N_TXTADDR(x)	((x).a_textstart)

/* Address of data segment in memory after it is loaded.  */
#define SEGMENT_SIZE	1024

#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)

#define N_DATADDR(x)	((x).a_datastart)
#define N_BSSADDR(x)	((x).a_bssstart)

#if !defined (N_NLIST_DECLARED)
struct nlist
{
  union
    {
      char *n_name;
      struct nlist *n_next;
      long n_strx;
    } n_un;
  unsigned char n_type;
  char n_other;
  short n_desc;
  unsigned long n_value;
};
#endif /* no N_NLIST_DECLARED.  */

#define N_UNDF	0
#define N_ABS	2
#define N_TEXT	4
#define N_DATA	6
#define N_BSS	8
#define N_FN	15
#define N_EXT	1
#define N_TYPE	036
#define N_STAB	0340
#define N_INDR	0xa
#define	N_SETA	0x14	/* Absolute set element symbol.  */
#define	N_SETT	0x16	/* Text set element symbol.  */
#define	N_SETD	0x18	/* Data set element symbol.  */
#define	N_SETB	0x1A	/* Bss set element symbol.  */
#define N_SETV	0x1C	/* Pointer to set vector in data area.  */

#if !defined (N_RELOCATION_INFO_DECLARED)
/* This structure describes a single relocation to be performed.
   The text-relocation section of the file is a vector of these structures,
   all of which apply to the text section.
   Likewise, the data-relocation section applies to the data section.  */

struct relocation_info
{
  int r_address;
  unsigned int r_symbolnum:24;
  unsigned int r_pcrel:1;
  unsigned int r_length:2;
  unsigned int r_extern:1;
  unsigned int r_pad:4;
};
#endif /* no N_RELOCATION_INFO_DECLARED.  */

#endif /* __A_OUT_GNU_H__ */