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069bc454 JG |
1 | /* Byte swap a symbol table in MIPS' format (Third-Eye). |
2 | Copyright 1992 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
069bc454 JG |
20 | #include "defs.h" |
21 | #include "bfd.h" | |
22 | #define LANGUAGE_C /* Wierd MIPS crap */ | |
23 | #include "sym.h" /* MIPS symbols */ | |
24 | #include "symconst.h" /* MIPS symbols */ | |
d141f3e3 | 25 | #include "coff/ecoff-ext.h" /* ECOFF external struct defns */ |
069bc454 JG |
26 | |
27 | void | |
28 | ecoff_swap_hdr_in (abfd, ext_copy, intern) | |
29 | bfd *abfd; | |
30 | struct hdr_ext *ext_copy; | |
31 | HDRR *intern; | |
32 | { | |
33 | struct hdr_ext ext[1]; | |
34 | ||
35 | *ext = *ext_copy; | |
36 | ||
37 | intern->magic = bfd_h_get_16 (abfd, (bfd_byte *)ext->h_magic); | |
38 | intern->vstamp = bfd_h_get_16 (abfd, (bfd_byte *)ext->h_vstamp); | |
39 | intern->ilineMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ilineMax); | |
40 | intern->cbLine = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbLine); | |
41 | intern->cbLineOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbLineOffset); | |
42 | intern->idnMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_idnMax); | |
43 | intern->cbDnOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbDnOffset); | |
44 | intern->ipdMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ipdMax); | |
45 | intern->cbPdOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbPdOffset); | |
46 | intern->isymMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_isymMax); | |
47 | intern->cbSymOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbSymOffset); | |
48 | intern->ioptMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ioptMax); | |
49 | intern->cbOptOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbOptOffset); | |
50 | intern->iauxMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_iauxMax); | |
51 | intern->cbAuxOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbAuxOffset); | |
52 | intern->issMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_issMax); | |
53 | intern->cbSsOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbSsOffset); | |
54 | intern->issExtMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_issExtMax); | |
55 | intern->cbSsExtOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbSsExtOffset); | |
56 | intern->ifdMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ifdMax); | |
57 | intern->cbFdOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbFdOffset); | |
58 | intern->crfd = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_crfd); | |
59 | intern->cbRfdOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbRfdOffset); | |
60 | intern->iextMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_iextMax); | |
61 | intern->cbExtOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbExtOffset); | |
62 | ||
63 | #ifdef TEST | |
64 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
65 | abort(); | |
66 | #endif | |
67 | } | |
68 | ||
69 | /* Swap in the file descriptor record. */ | |
70 | ||
71 | void | |
72 | ecoff_swap_fdr_in (abfd, ext_copy, intern) | |
73 | bfd *abfd; | |
74 | struct fdr_ext *ext_copy; | |
75 | FDR *intern; | |
76 | { | |
77 | struct fdr_ext ext[1]; | |
78 | ||
79 | *ext = *ext_copy; /* Make it reasonable to do in-place. */ | |
80 | ||
81 | intern->adr = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_adr); | |
82 | intern->rss = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_rss); | |
83 | intern->issBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_issBase); | |
84 | intern->cbSs = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cbSs); | |
85 | intern->isymBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_isymBase); | |
86 | intern->csym = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_csym); | |
87 | intern->ilineBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_ilineBase); | |
88 | intern->cline = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cline); | |
89 | intern->ioptBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_ioptBase); | |
90 | intern->copt = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_copt); | |
91 | intern->ipdFirst = bfd_h_get_16 (abfd, (bfd_byte *)ext->f_ipdFirst); | |
92 | intern->cpd = bfd_h_get_16 (abfd, (bfd_byte *)ext->f_cpd); | |
93 | intern->iauxBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_iauxBase); | |
94 | intern->caux = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_caux); | |
95 | intern->rfdBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_rfdBase); | |
96 | intern->crfd = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_crfd); | |
97 | ||
98 | /* now the fun stuff... */ | |
99 | if (abfd->xvec->header_byteorder_big_p != false) { | |
100 | intern->lang = (ext->f_bits1[0] & FDR_BITS1_LANG_BIG) | |
101 | >> FDR_BITS1_LANG_SH_BIG; | |
102 | intern->fMerge = 0 != (ext->f_bits1[0] & FDR_BITS1_FMERGE_BIG); | |
103 | intern->fReadin = 0 != (ext->f_bits1[0] & FDR_BITS1_FREADIN_BIG); | |
104 | intern->fBigendian = 0 != (ext->f_bits1[0] & FDR_BITS1_FBIGENDIAN_BIG); | |
105 | intern->glevel = (ext->f_bits2[0] & FDR_BITS2_GLEVEL_BIG) | |
106 | >> FDR_BITS2_GLEVEL_SH_BIG; | |
107 | /* intern->reserved we ignore. */ | |
108 | } else { | |
109 | intern->lang = (ext->f_bits1[0] & FDR_BITS1_LANG_LITTLE) | |
110 | >> FDR_BITS1_LANG_SH_LITTLE; | |
111 | intern->fMerge = 0 != (ext->f_bits1[0] & FDR_BITS1_FMERGE_LITTLE); | |
112 | intern->fReadin = 0 != (ext->f_bits1[0] & FDR_BITS1_FREADIN_LITTLE); | |
113 | intern->fBigendian = 0 != (ext->f_bits1[0] & FDR_BITS1_FBIGENDIAN_LITTLE); | |
114 | intern->glevel = (ext->f_bits2[0] & FDR_BITS2_GLEVEL_LITTLE) | |
115 | >> FDR_BITS2_GLEVEL_SH_LITTLE; | |
116 | /* intern->reserved we ignore. */ | |
117 | } | |
118 | ||
119 | intern->cbLineOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cbLineOffset); | |
120 | intern->cbLine = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cbLine); | |
121 | ||
122 | #ifdef TEST | |
123 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
124 | abort(); | |
125 | #endif | |
126 | } | |
127 | ||
128 | ||
129 | ||
130 | /* Swap in the procedure descriptor record. */ | |
131 | ||
132 | void | |
133 | ecoff_swap_pdr_in (abfd, ext_copy, intern) | |
134 | bfd *abfd; | |
135 | struct pdr_ext *ext_copy; | |
136 | PDR *intern; | |
137 | { | |
138 | struct pdr_ext ext[1]; | |
139 | ||
140 | *ext = *ext_copy; /* Make it reasonable to do in-place. */ | |
141 | ||
142 | intern->adr = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_adr); | |
143 | intern->isym = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_isym); | |
144 | intern->iline = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_iline); | |
145 | intern->regmask = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_regmask); | |
146 | intern->regoffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_regoffset); | |
147 | intern->iopt = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_iopt); | |
148 | intern->fregmask = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_fregmask); | |
149 | intern->fregoffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_fregoffset); | |
150 | intern->frameoffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_frameoffset); | |
151 | intern->framereg = bfd_h_get_16 (abfd, (bfd_byte *)ext->p_framereg); | |
152 | intern->pcreg = bfd_h_get_16 (abfd, (bfd_byte *)ext->p_pcreg); | |
153 | intern->lnLow = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_lnLow); | |
154 | intern->lnHigh = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_lnHigh); | |
155 | intern->cbLineOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_cbLineOffset); | |
156 | ||
157 | #ifdef TEST | |
158 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
159 | abort(); | |
160 | #endif | |
161 | } | |
162 | ||
163 | ||
164 | /* Swap in a symbol record. */ | |
165 | ||
166 | void | |
167 | ecoff_swap_sym_in (abfd, ext_copy, intern) | |
168 | bfd *abfd; | |
169 | struct sym_ext *ext_copy; | |
170 | SYMR *intern; | |
171 | { | |
172 | struct sym_ext ext[1]; | |
173 | ||
174 | *ext = *ext_copy; /* Make it reasonable to do in-place. */ | |
175 | ||
176 | intern->iss = bfd_h_get_32 (abfd, (bfd_byte *)ext->s_iss); | |
177 | intern->value = bfd_h_get_32 (abfd, (bfd_byte *)ext->s_value); | |
178 | ||
179 | /* now the fun stuff... */ | |
180 | if (abfd->xvec->header_byteorder_big_p != false) { | |
181 | intern->st = (ext->s_bits1[0] & SYM_BITS1_ST_BIG) | |
182 | >> SYM_BITS1_ST_SH_BIG; | |
183 | intern->sc = ((ext->s_bits1[0] & SYM_BITS1_SC_BIG) | |
184 | << SYM_BITS1_SC_SH_LEFT_BIG) | |
185 | | ((ext->s_bits2[0] & SYM_BITS2_SC_BIG) | |
186 | >> SYM_BITS2_SC_SH_BIG); | |
187 | intern->reserved = 0 != (ext->s_bits2[0] & SYM_BITS2_RESERVED_BIG); | |
188 | intern->index = ((ext->s_bits2[0] & SYM_BITS2_INDEX_BIG) | |
189 | << SYM_BITS2_INDEX_SH_LEFT_BIG) | |
190 | | (ext->s_bits3[0] << SYM_BITS3_INDEX_SH_LEFT_BIG) | |
191 | | (ext->s_bits4[0] << SYM_BITS4_INDEX_SH_LEFT_BIG); | |
192 | } else { | |
193 | intern->st = (ext->s_bits1[0] & SYM_BITS1_ST_LITTLE) | |
194 | >> SYM_BITS1_ST_SH_LITTLE; | |
195 | intern->sc = ((ext->s_bits1[0] & SYM_BITS1_SC_LITTLE) | |
196 | >> SYM_BITS1_SC_SH_LITTLE) | |
197 | | ((ext->s_bits2[0] & SYM_BITS2_SC_LITTLE) | |
198 | << SYM_BITS2_SC_SH_LEFT_LITTLE); | |
199 | intern->reserved = 0 != (ext->s_bits2[0] & SYM_BITS2_RESERVED_LITTLE); | |
200 | intern->index = ((ext->s_bits2[0] & SYM_BITS2_INDEX_LITTLE) | |
201 | >> SYM_BITS2_INDEX_SH_LITTLE) | |
202 | | (ext->s_bits3[0] << SYM_BITS3_INDEX_SH_LEFT_LITTLE) | |
203 | | (ext->s_bits4[0] << SYM_BITS4_INDEX_SH_LEFT_LITTLE); | |
204 | } | |
205 | ||
206 | #ifdef TEST | |
207 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
208 | abort(); | |
209 | #endif | |
210 | } | |
211 | ||
212 | ||
213 | /* Swap in an external symbol record. */ | |
214 | ||
215 | void | |
216 | ecoff_swap_ext_in (abfd, ext_copy, intern) | |
217 | bfd *abfd; | |
218 | struct ext_ext *ext_copy; | |
219 | EXTR *intern; | |
220 | { | |
221 | struct ext_ext ext[1]; | |
222 | ||
223 | *ext = *ext_copy; /* Make it reasonable to do in-place. */ | |
224 | ||
225 | /* now the fun stuff... */ | |
226 | if (abfd->xvec->header_byteorder_big_p != false) { | |
227 | intern->jmptbl = 0 != (ext->es_bits1[0] & EXT_BITS1_JMPTBL_BIG); | |
228 | intern->cobol_main = 0 != (ext->es_bits1[0] & EXT_BITS1_COBOL_MAIN_BIG); | |
229 | } else { | |
230 | intern->jmptbl = 0 != (ext->es_bits1[0] & EXT_BITS1_JMPTBL_LITTLE); | |
231 | intern->cobol_main = 0 != (ext->es_bits1[0] & EXT_BITS1_COBOL_MAIN_LITTLE); | |
232 | } | |
233 | ||
234 | intern->ifd = bfd_h_get_16 (abfd, (bfd_byte *)ext->es_ifd); | |
235 | ecoff_swap_sym_in (abfd, &ext->es_asym, &intern->asym); | |
236 | ||
237 | #ifdef TEST | |
238 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
239 | abort(); | |
240 | #endif | |
241 | } | |
242 | ||
243 | /* Swap in a type information record. | |
244 | BIGEND says whether AUX symbols are big-endian or little-endian; this | |
245 | info comes from the file header record (fh-fBigendian). */ | |
246 | ||
247 | void | |
248 | ecoff_swap_tir_in (bigend, ext_copy, intern) | |
249 | int bigend; | |
250 | struct tir_ext *ext_copy; | |
251 | TIR *intern; | |
252 | { | |
253 | struct tir_ext ext[1]; | |
254 | ||
255 | *ext = *ext_copy; /* Make it reasonable to do in-place. */ | |
256 | ||
257 | /* now the fun stuff... */ | |
258 | if (bigend) { | |
259 | intern->fBitfield = 0 != (ext->t_bits1[0] & TIR_BITS1_FBITFIELD_BIG); | |
260 | intern->continued = 0 != (ext->t_bits1[0] & TIR_BITS1_CONTINUED_BIG); | |
261 | intern->bt = (ext->t_bits1[0] & TIR_BITS1_BT_BIG) | |
262 | >> TIR_BITS1_BT_SH_BIG; | |
263 | intern->tq4 = (ext->t_tq45[0] & TIR_BITS_TQ4_BIG) | |
264 | >> TIR_BITS_TQ4_SH_BIG; | |
265 | intern->tq5 = (ext->t_tq45[0] & TIR_BITS_TQ5_BIG) | |
266 | >> TIR_BITS_TQ5_SH_BIG; | |
267 | intern->tq0 = (ext->t_tq01[0] & TIR_BITS_TQ0_BIG) | |
268 | >> TIR_BITS_TQ0_SH_BIG; | |
269 | intern->tq1 = (ext->t_tq01[0] & TIR_BITS_TQ1_BIG) | |
270 | >> TIR_BITS_TQ1_SH_BIG; | |
271 | intern->tq2 = (ext->t_tq23[0] & TIR_BITS_TQ2_BIG) | |
272 | >> TIR_BITS_TQ2_SH_BIG; | |
273 | intern->tq3 = (ext->t_tq23[0] & TIR_BITS_TQ3_BIG) | |
274 | >> TIR_BITS_TQ3_SH_BIG; | |
275 | } else { | |
276 | intern->fBitfield = 0 != (ext->t_bits1[0] & TIR_BITS1_FBITFIELD_LITTLE); | |
277 | intern->continued = 0 != (ext->t_bits1[0] & TIR_BITS1_CONTINUED_LITTLE); | |
278 | intern->bt = (ext->t_bits1[0] & TIR_BITS1_BT_LITTLE) | |
279 | >> TIR_BITS1_BT_SH_LITTLE; | |
280 | intern->tq4 = (ext->t_tq45[0] & TIR_BITS_TQ4_LITTLE) | |
281 | >> TIR_BITS_TQ4_SH_LITTLE; | |
282 | intern->tq5 = (ext->t_tq45[0] & TIR_BITS_TQ5_LITTLE) | |
283 | >> TIR_BITS_TQ5_SH_LITTLE; | |
284 | intern->tq0 = (ext->t_tq01[0] & TIR_BITS_TQ0_LITTLE) | |
285 | >> TIR_BITS_TQ0_SH_LITTLE; | |
286 | intern->tq1 = (ext->t_tq01[0] & TIR_BITS_TQ1_LITTLE) | |
287 | >> TIR_BITS_TQ1_SH_LITTLE; | |
288 | intern->tq2 = (ext->t_tq23[0] & TIR_BITS_TQ2_LITTLE) | |
289 | >> TIR_BITS_TQ2_SH_LITTLE; | |
290 | intern->tq3 = (ext->t_tq23[0] & TIR_BITS_TQ3_LITTLE) | |
291 | >> TIR_BITS_TQ3_SH_LITTLE; | |
292 | } | |
293 | ||
294 | #ifdef TEST | |
295 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
296 | abort(); | |
297 | #endif | |
298 | } | |
299 | ||
300 | /* Swap in a relative symbol record. BIGEND says whether it is in | |
301 | big-endian or little-endian format.*/ | |
302 | ||
303 | void | |
304 | ecoff_swap_rndx_in (bigend, ext_copy, intern) | |
305 | int bigend; | |
306 | struct rndx_ext *ext_copy; | |
307 | RNDXR *intern; | |
308 | { | |
309 | struct rndx_ext ext[1]; | |
310 | ||
311 | *ext = *ext_copy; /* Make it reasonable to do in-place. */ | |
312 | ||
313 | /* now the fun stuff... */ | |
314 | if (bigend) { | |
315 | intern->rfd = (ext->r_bits[0] << RNDX_BITS0_RFD_SH_LEFT_BIG) | |
316 | | ((ext->r_bits[1] & RNDX_BITS1_RFD_BIG) | |
317 | >> RNDX_BITS1_RFD_SH_BIG); | |
318 | intern->index = ((ext->r_bits[1] & RNDX_BITS1_INDEX_BIG) | |
319 | << RNDX_BITS1_INDEX_SH_LEFT_BIG) | |
320 | | (ext->r_bits[2] << RNDX_BITS2_INDEX_SH_LEFT_BIG) | |
321 | | (ext->r_bits[3] << RNDX_BITS3_INDEX_SH_LEFT_BIG); | |
322 | } else { | |
323 | intern->rfd = (ext->r_bits[0] << RNDX_BITS0_RFD_SH_LEFT_LITTLE) | |
324 | | ((ext->r_bits[1] & RNDX_BITS1_RFD_LITTLE) | |
325 | << RNDX_BITS1_RFD_SH_LEFT_LITTLE); | |
326 | intern->index = ((ext->r_bits[1] & RNDX_BITS1_INDEX_LITTLE) | |
327 | >> RNDX_BITS1_INDEX_SH_LITTLE) | |
328 | | (ext->r_bits[2] << RNDX_BITS2_INDEX_SH_LEFT_LITTLE) | |
329 | | (ext->r_bits[3] << RNDX_BITS3_INDEX_SH_LEFT_LITTLE); | |
330 | } | |
331 | ||
332 | #ifdef TEST | |
333 | if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0) | |
334 | abort(); | |
335 | #endif | |
336 | } |