source: trunk/libs/newlib/src/include/coff/sparc.h @ 581

Last change on this file since 581 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 4.2 KB
Line 
1/* coff information for Sparc.
2   
3   Copyright 2001, 2010 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9   
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14   
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software
17   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
18   MA 02110-1301, USA.  */
19
20/* This file is an amalgamation of several standard include files that
21   define coff format, such as filehdr.h, aouthdr.h, and so forth.  In
22   addition, all datatypes have been translated into character arrays of
23   (presumed) equivalent size.  This is necessary so that this file can
24   be used with different systems while still yielding the same results.  */
25
26#define L_LNNO_SIZE 2
27#define DO_NOT_DEFINE_SYMENT
28#define DO_NOT_DEFINE_AUXENT
29#include "coff/external.h"
30
31#define F_RELFLG        (0x0001)        /* relocation info stripped */
32#define F_EXEC          (0x0002)        /* file is executable */
33#define F_LNNO          (0x0004)        /* line numbers stripped */
34#define F_LSYMS         (0x0008)        /* local symbols stripped */
35
36#define SPARCMAGIC      (0540)
37
38/* This is Lynx's all-platform magic number for executables. */
39
40#define LYNXCOFFMAGIC   (0415)
41
42#define OMAGIC          0404    /* object files, eg as output */
43#define ZMAGIC          0413    /* demand load format, eg normal ld output */
44#define STMAGIC         0401    /* target shlib */
45#define SHMAGIC         0443    /* host   shlib */
46
47/* More names of "special" sections. */
48
49#define _TV     ".tv"
50#define _INIT   ".init"
51#define _FINI   ".fini"
52
53/********************** SYMBOLS **********************/
54
55#define E_SYMNMLEN      (8)     /* # characters in a symbol name        */
56#define E_FILNMLEN      (14)    /* # characters in a file name          */
57#define E_DIMNUM        (4)     /* # array dimensions in auxiliary entry */
58
59struct external_syment
60{
61  union {
62    char e_name[E_SYMNMLEN];
63    struct {
64      char e_zeroes[4];
65      char e_offset[4];
66    } e;
67#if 0 /* of doubtful value */
68    char e_nptr[2][4];
69    struct {
70      char e_leading_zero[1];
71      char e_dbx_type[1];
72      char e_dbx_desc[2];
73    } e_dbx;
74#endif
75  } e;
76
77  char e_value[4];
78  char e_scnum[2];
79  char e_type[2];
80  char e_sclass[1];
81  char e_numaux[1];
82  char padding[2];
83};
84
85#define N_BTMASK        (0xf)
86#define N_TMASK         (0x30)
87#define N_BTSHFT        (4)
88#define N_TSHIFT        (2)
89 
90union external_auxent
91{
92  struct {
93    char x_tagndx[4];           /* str, un, or enum tag indx */
94    union {
95      struct {
96        char  x_lnno[2];        /* declaration line number */
97        char  x_size[2];        /* str/union/array size */
98      } x_lnsz;
99      char x_fsize[4];          /* size of function */
100    } x_misc;
101    union {
102      struct {                  /* if ISFCN, tag, or .bb */
103        char x_lnnoptr[4];      /* ptr to fcn line # */
104        char x_endndx[4];       /* entry ndx past block end */
105      } x_fcn;
106      struct {          /* if ISARY, up to 4 dimen. */
107        char x_dimen[E_DIMNUM][2];
108      } x_ary;
109    } x_fcnary;
110    char x_tvndx[2];            /* tv index */
111  } x_sym;
112 
113  union {
114    char x_fname[E_FILNMLEN];
115    struct {
116      char x_zeroes[4];
117      char x_offset[4];
118    } x_n;
119  } x_file;
120 
121  struct {
122    char x_scnlen[4];           /* section length */
123    char x_nreloc[2];           /* # relocation entries */
124    char x_nlinno[2];           /* # line numbers */
125  } x_scn;
126 
127  struct {
128    char x_tvfill[4];           /* tv fill value */
129    char x_tvlen[2];            /* length of .tv */
130    char x_tvran[2][2];         /* tv range */
131  } x_tv;                       /* .tv section info (in auxent of sym .tv)) */
132
133  char x_fill[20];              /* forces to 20-byte size */
134};
135
136#define SYMENT  struct external_syment
137#define SYMESZ  20     
138#define AUXENT  union external_auxent
139#define AUXESZ  20
140
141#define _ETEXT  "etext"
142
143/********************** RELOCATION DIRECTIVES **********************/
144
145struct external_reloc
146{
147  char r_vaddr[4];
148  char r_symndx[4];
149  char r_type[2];
150  char r_spare[2];
151  char r_offset[4];
152};
153
154#define RELOC struct external_reloc
155#define RELSZ 16
156
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