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252b5132 RH |
1 | /* Motorolla MCore support for BFD. |
2 | Copyright (C) 1999 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | /* This file holds definitions specific to the MCore COFF/PE ABI. */ | |
21 | ||
22 | #ifndef _COFF_MORE_H | |
23 | #define _COFF_MORE_H | |
24 | ||
25 | ||
26 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ | |
27 | ||
28 | #define IMAGE_REL_MCORE_ABSOLUTE 0x0000 | |
29 | #define IMAGE_REL_MCORE_ADDR32 0x0001 | |
30 | #define IMAGE_REL_MCORE_PCREL_IMM8BY4 0x0002 | |
31 | #define IMAGE_REL_MCORE_PCREL_IMM11BY2 0x0003 | |
32 | #define IMAGE_REL_MCORE_PCREL_IMM4BY2 0x0004 | |
33 | #define IMAGE_REL_MCORE_PCREL_32 0x0005 | |
34 | #define IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2 0x0006 | |
daa8de75 | 35 | #define IMAGE_REL_MCORE_RVA 0x0007 |
252b5132 RH |
36 | |
37 | #define PEMCORE | |
38 | ||
39 | typedef struct | |
40 | { | |
41 | char magic [2]; /* type of file */ | |
42 | char vstamp [2]; /* version stamp */ | |
43 | char tsize [4]; /* text size in bytes, padded to FW bdry*/ | |
44 | char dsize [4]; /* initialized data " " */ | |
45 | char bsize [4]; /* uninitialized data " " */ | |
46 | char entry [4]; /* entry pt. */ | |
47 | char text_start [4]; /* base of text used for this file */ | |
48 | char data_start [4]; /* base of data used for this file */ | |
49 | } | |
50 | AOUTHDR; | |
51 | ||
52 | #define AOUTSZ 28 | |
53 | #define AOUTHDRSZ 28 | |
54 | ||
55 | #define OMAGIC 0404 /* object files, eg as output */ | |
56 | #define ZMAGIC 0413 /* demand load format, eg normal ld output */ | |
57 | #define STMAGIC 0401 /* target shlib */ | |
58 | #define SHMAGIC 0443 /* host shlib */ | |
59 | ||
60 | /* From winnt.h */ | |
61 | #define IMAGE_NT_OPTIONAL_HDR_MAGIC 0x10b | |
62 | ||
63 | ||
64 | /* Define some NT default values. */ | |
65 | #define NT_SECTION_ALIGNMENT 0x1000 | |
66 | #define NT_FILE_ALIGNMENT 0x200 | |
67 | #define NT_DEF_RESERVE 0x100000 | |
68 | #define NT_DEF_COMMIT 0x1000 | |
69 | ||
70 | ||
71 | struct external_reloc | |
72 | { | |
73 | char r_vaddr [4]; | |
74 | char r_symndx [4]; | |
75 | char r_type [2]; | |
76 | char r_offset [4]; | |
77 | }; | |
78 | ||
79 | #define RELOC struct external_reloc | |
80 | #define RELSZ 14 | |
81 | ||
82 | #define MCOREMAGIC 0xb00 /* I just made this up */ | |
83 | ||
84 | #define MCOREBADMAG(x) (((x).f_magic!= MCOREMAGIC)) | |
85 | ||
86 | struct external_filehdr | |
87 | { | |
88 | char f_magic [2]; /* magic number */ | |
89 | char f_nscns [2]; /* number of sections */ | |
90 | char f_timdat [4]; /* time & date stamp */ | |
91 | char f_symptr [4]; /* file pointer to symtab */ | |
92 | char f_nsyms [4]; /* number of symtab entries */ | |
93 | char f_opthdr [2]; /* sizeof(optional hdr) */ | |
94 | char f_flags [2]; /* flags */ | |
95 | }; | |
96 | ||
97 | #define FILHDR struct external_filehdr | |
98 | #define FILHSZ 20 | |
99 | ||
100 | ||
101 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ | |
102 | #define E_FILNMLEN 14 /* # characters in a file name */ | |
103 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ | |
104 | ||
105 | struct external_syment | |
106 | { | |
107 | union | |
108 | { | |
109 | char e_name [E_SYMNMLEN]; | |
110 | struct | |
111 | { | |
112 | char e_zeroes [4]; | |
113 | char e_offset [4]; | |
114 | } e; | |
115 | } e; | |
116 | ||
117 | char e_value [4]; | |
118 | char e_scnum [2]; | |
119 | char e_type [2]; | |
120 | char e_sclass [1]; | |
121 | char e_numaux [1]; | |
122 | }; | |
123 | ||
124 | #define N_BTMASK 0xf | |
125 | #define N_TMASK 0x30 | |
126 | #define N_BTSHFT 4 | |
127 | #define N_TSHIFT 2 | |
128 | ||
129 | union external_auxent | |
130 | { | |
131 | struct | |
132 | { | |
133 | char x_tagndx [4]; /* str, un, or enum tag indx */ | |
134 | ||
135 | union | |
136 | { | |
137 | struct | |
138 | { | |
139 | char x_lnno [2]; /* declaration line number */ | |
140 | char x_size [2]; /* str/union/array size */ | |
141 | } x_lnsz; | |
142 | ||
143 | char x_fsize [4]; /* size of function */ | |
144 | ||
145 | } x_misc; | |
146 | ||
147 | union | |
148 | { | |
149 | struct /* if ISFCN, tag, or .bb */ | |
150 | { | |
151 | char x_lnnoptr [4]; /* ptr to fcn line # */ | |
152 | char x_endndx [4]; /* entry ndx past block end */ | |
153 | } x_fcn; | |
154 | ||
155 | struct /* if ISARY, up to 4 dimen. */ | |
156 | { | |
157 | char x_dimen [E_DIMNUM][2]; | |
158 | } x_ary; | |
159 | ||
160 | } x_fcnary; | |
161 | ||
162 | char x_tvndx [2]; /* tv index */ | |
163 | ||
164 | } x_sym; | |
165 | ||
166 | union | |
167 | { | |
168 | char x_fname [E_FILNMLEN]; | |
169 | ||
170 | struct | |
171 | { | |
172 | char x_zeroes [4]; | |
173 | char x_offset [4]; | |
174 | } x_n; | |
175 | ||
176 | } x_file; | |
177 | ||
178 | struct | |
179 | { | |
180 | char x_scnlen [4]; /* section length */ | |
181 | char x_nreloc [2]; /* # relocation entries */ | |
182 | char x_nlinno [2]; /* # line numbers */ | |
183 | char x_checksum [4]; /* section COMDAT checksum */ | |
184 | char x_associated [2]; /* COMDAT associated section index */ | |
185 | char x_comdat [1]; /* COMDAT selection number */ | |
186 | } x_scn; | |
187 | ||
188 | struct | |
189 | { | |
190 | char x_tvfill [4]; /* tv fill value */ | |
191 | char x_tvlen [2]; /* length of .tv */ | |
192 | char x_tvran [2][2]; /* tv range */ | |
193 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ | |
194 | }; | |
195 | ||
196 | #define SYMENT struct external_syment | |
197 | #define SYMESZ 18 | |
198 | #define AUXENT union external_auxent | |
199 | #define AUXESZ 18 | |
200 | ||
201 | /* 1 line number entry for every "breakpointable" source line in a section. | |
202 | Line numbers are grouped on a per function basis; first entry in a function | |
203 | grouping will have l_lnno = 0 and in place of physical address will be the | |
204 | symbol table index of the function name. */ | |
205 | struct external_lineno | |
206 | { | |
207 | union | |
208 | { | |
209 | char l_symndx [4]; /* function name symbol index, iff l_lnno == 0*/ | |
210 | char l_paddr [4]; /* (physical) address of line number */ | |
211 | } l_addr; | |
212 | ||
213 | char l_lnno [2]; /* line number */ | |
214 | }; | |
215 | ||
216 | #define LINENO struct external_lineno | |
217 | #define LINESZ 6 | |
218 | ||
219 | #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32 (abfd, (bfd_byte *) (ext->l_lnno)); | |
220 | #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32 (abfd, val, (bfd_byte *) (ext->l_lnno)); | |
221 | ||
222 | struct external_scnhdr | |
223 | { | |
224 | char s_name [8]; /* section name */ | |
225 | char s_paddr [4]; /* physical address, aliased s_nlib */ | |
226 | char s_vaddr [4]; /* virtual address */ | |
227 | char s_size [4]; /* section size */ | |
228 | char s_scnptr [4]; /* file ptr to raw data for section */ | |
229 | char s_relptr [4]; /* file ptr to relocation */ | |
230 | char s_lnnoptr [4]; /* file ptr to line numbers */ | |
231 | char s_nreloc [2]; /* number of relocation entries */ | |
232 | char s_nlnno [2]; /* number of line number entries*/ | |
233 | char s_flags [4]; /* flags */ | |
234 | }; | |
235 | ||
236 | #define SCNHDR struct external_scnhdr | |
237 | #define SCNHSZ 40 | |
238 | ||
239 | /* Names of "special" sections. */ | |
240 | #define _TEXT ".text" | |
241 | #define _DATA ".data" | |
242 | #define _BSS ".bss" | |
243 | ||
244 | ||
245 | ||
246 | #endif /* __COFF_MCORE_H */ |