1 /* BFD back-end for IBM RS/6000 "XCOFF64" files.
3 Free Software Foundation, Inc.
4 Written Clinton Popetz.
5 Contributed by Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 /* Internalcoff.h and coffcode.h modify themselves based on these flags. */
25 #define RS6000COFF_C 1
30 #include "coff/internal.h"
31 #include "coff/rs6k64.h"
34 #define GET_FILEHDR_SYMPTR bfd_h_get_64
35 #define PUT_FILEHDR_SYMPTR bfd_h_put_64
36 #define GET_AOUTHDR_DATA_START bfd_h_get_64
37 #define PUT_AOUTHDR_DATA_START bfd_h_put_64
38 #define GET_AOUTHDR_TEXT_START bfd_h_get_64
39 #define PUT_AOUTHDR_TEXT_START bfd_h_put_64
40 #define GET_AOUTHDR_TSIZE bfd_h_get_64
41 #define PUT_AOUTHDR_TSIZE bfd_h_put_64
42 #define GET_AOUTHDR_DSIZE bfd_h_get_64
43 #define PUT_AOUTHDR_DSIZE bfd_h_put_64
44 #define GET_AOUTHDR_BSIZE bfd_h_get_64
45 #define PUT_AOUTHDR_BSIZE bfd_h_put_64
46 #define GET_AOUTHDR_ENTRY bfd_h_get_64
47 #define PUT_AOUTHDR_ENTRY bfd_h_put_64
48 #define GET_SCNHDR_PADDR bfd_h_get_64
49 #define PUT_SCNHDR_PADDR bfd_h_put_64
50 #define GET_SCNHDR_VADDR bfd_h_get_64
51 #define PUT_SCNHDR_VADDR bfd_h_put_64
52 #define GET_SCNHDR_SIZE bfd_h_get_64
53 #define PUT_SCNHDR_SIZE bfd_h_put_64
54 #define GET_SCNHDR_SCNPTR bfd_h_get_64
55 #define PUT_SCNHDR_SCNPTR bfd_h_put_64
56 #define GET_SCNHDR_RELPTR bfd_h_get_64
57 #define PUT_SCNHDR_RELPTR bfd_h_put_64
58 #define GET_SCNHDR_LNNOPTR bfd_h_get_64
59 #define PUT_SCNHDR_LNNOPTR bfd_h_put_64
60 #define GET_SCNHDR_NRELOC bfd_h_get_32
61 #define MAX_SCNHDR_NRELOC 0xffffffff
62 #define PUT_SCNHDR_NRELOC bfd_h_put_32
63 #define GET_SCNHDR_NLNNO bfd_h_get_32
64 #define MAX_SCNHDR_NLNNO 0xffffffff
65 #define PUT_SCNHDR_NLNNO bfd_h_put_32
66 #define GET_RELOC_VADDR bfd_h_get_64
67 #define PUT_RELOC_VADDR bfd_h_put_64
69 #define COFF_FORCE_SYMBOLS_IN_STRINGS
70 #define COFF_DEBUG_STRING_WIDE_PREFIX
72 #define COFF_ADJUST_SCNHDR_OUT_POST(ABFD,INT,EXT) \
74 memset (((SCNHDR *)EXT)->s_pad, 0, sizeof (((SCNHDR *)EXT)->s_pad));\
77 #define NO_COFF_LINENOS
79 #define coff_SWAP_lineno_in xcoff64_swap_lineno_in
80 #define coff_SWAP_lineno_out xcoff64_swap_lineno_out
82 #define PUTWORD bfd_h_put_32
83 #define PUTHALF bfd_h_put_16
84 #define PUTBYTE bfd_h_put_8
85 #define GETWORD bfd_h_get_32
86 #define GETHALF bfd_h_get_16
87 #define GETBYTE bfd_h_get_8
89 /* For XCOFF64, the effective width of symndx changes depending on
90 whether we are the first entry. Sigh. */
92 xcoff64_swap_lineno_in (abfd, ext1, in1)
97 LINENO *ext = (LINENO *)ext1;
98 struct internal_lineno *in = (struct internal_lineno *)in1;
100 in->l_lnno = bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
102 in->l_addr.l_symndx =
103 bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
105 in->l_addr.l_symndx =
106 bfd_h_get_64(abfd, (bfd_byte *) ext->l_addr.l_symndx);
110 xcoff64_swap_lineno_out (abfd, inp, outp)
115 struct internal_lineno *in = (struct internal_lineno *)inp;
116 struct external_lineno *ext = (struct external_lineno *)outp;
117 PUTWORD(abfd, in->l_addr.l_symndx, (bfd_byte *)
118 ext->l_addr.l_symndx);
120 bfd_h_put_32 (abfd, in->l_lnno, (bfd_byte *) (ext->l_lnno));
122 bfd_h_put_32 (abfd, in->l_addr.l_symndx, (bfd_byte *)ext->l_addr.l_symndx);
124 bfd_h_put_64 (abfd, in->l_addr.l_symndx, (bfd_byte *)ext->l_addr.l_symndx);
126 return bfd_coff_linesz (abfd);
129 static void xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));
130 static unsigned int xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));
131 static void xcoff64_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR));
132 static unsigned int xcoff64_swap_aux_out PARAMS ((bfd *, PTR, int, int, int, int, PTR));
135 xcoff64_swap_sym_in (abfd, ext1, in1)
140 SYMENT *ext = (SYMENT *)ext1;
141 struct internal_syment *in = (struct internal_syment *)in1;
143 in->_n._n_n._n_zeroes = 0;
144 in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e_offset);
145 in->n_value = bfd_h_get_64(abfd, (bfd_byte *) ext->e.e_value);
146 in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
147 in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
148 in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
149 in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
153 xcoff64_swap_sym_out (abfd, inp, extp)
158 struct internal_syment *in = (struct internal_syment *)inp;
159 SYMENT *ext =(SYMENT *)extp;
161 bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *) ext->e_offset);
162 bfd_h_put_64(abfd, in->n_value , (bfd_byte *) ext->e.e_value);
163 bfd_h_put_16(abfd, in->n_scnum , (bfd_byte *) ext->e_scnum);
164 bfd_h_put_16(abfd, in->n_type , (bfd_byte *) ext->e_type);
165 bfd_h_put_8(abfd, in->n_sclass , ext->e_sclass);
166 bfd_h_put_8(abfd, in->n_numaux , ext->e_numaux);
167 return bfd_coff_symesz (abfd);
171 xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
180 AUXENT *ext = (AUXENT *)ext1;
181 union internal_auxent *in = (union internal_auxent *)in1;
185 if (ext->x_file.x_fname[0] == 0) {
186 in->x_file.x_n.x_zeroes = 0;
187 in->x_file.x_n.x_offset =
188 bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset);
193 memcpy (in->x_file.x_fname, ext->x_file.x_fname,
194 numaux * sizeof (AUXENT));
198 memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
203 /* RS/6000 "csect" auxents */
206 if (indx + 1 == numaux)
208 in->x_csect.x_scnlen.l =
209 bfd_h_get_32(abfd, ext->x_csect.x_scnlen_lo);
210 /* FIXME: If we want section lengths larger than 32 bits, we need
211 to modify the internal coff structures to support it. */
212 in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
213 ext->x_csect.x_parmhash);
214 in->x_csect.x_snhash = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
215 /* We don't have to hack bitfields in x_smtyp because it's
216 defined by shifts-and-ands, which are equivalent on all
218 in->x_csect.x_smtyp = bfd_h_get_8 (abfd, ext->x_csect.x_smtyp);
219 in->x_csect.x_smclas = bfd_h_get_8 (abfd, ext->x_csect.x_smclas);
227 if (type == T_NULL) {
228 /* PE defines some extra fields; we zero them out for
230 in->x_scn.x_checksum = 0;
231 in->x_scn.x_associated = 0;
232 in->x_scn.x_comdat = 0;
239 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
241 in->x_sym.x_fcnary.x_fcn.x_lnnoptr = bfd_h_get_64(abfd, (bfd_byte *)
242 ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
243 in->x_sym.x_fcnary.x_fcn.x_endndx.l = bfd_h_get_32(abfd, (bfd_byte *)
244 ext->x_sym.x_fcnary.x_fcn.x_endndx);
247 in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize);
250 in->x_sym.x_misc.x_lnsz.x_lnno = bfd_h_get_32(abfd, (bfd_byte *)
251 ext->x_sym.x_fcnary.x_lnsz.x_lnno);
252 in->x_sym.x_misc.x_lnsz.x_size = bfd_h_get_16(abfd, (bfd_byte *)
253 ext->x_sym.x_fcnary.x_lnsz.x_size);
257 /* the semicolon is because MSVC doesn't like labels at
263 xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
268 int indx ATTRIBUTE_UNUSED;
269 int numaux ATTRIBUTE_UNUSED;
272 union internal_auxent *in = (union internal_auxent *)inp;
273 AUXENT *ext = (AUXENT *)extp;
275 memset((PTR)ext, 0, bfd_coff_auxesz (abfd));
279 if (in->x_file.x_fname[0] == 0)
281 PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
283 in->x_file.x_n.x_offset,
284 (bfd_byte *) ext->x_file.x_n.x_offset);
288 memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
290 PUTBYTE (abfd, _AUX_FILE, (bfd_byte *) ext->x_auxtype.x_auxtype);
293 /* RS/6000 "csect" auxents */
296 if (indx + 1 == numaux)
298 PUTWORD (abfd, in->x_csect.x_scnlen.l, ext->x_csect.x_scnlen_lo);
299 PUTWORD (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
300 PUTHALF (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
301 /* We don't have to hack bitfields in x_smtyp because it's
302 defined by shifts-and-ands, which are equivalent on all
304 PUTBYTE (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
305 PUTBYTE (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
306 PUTBYTE (abfd, _AUX_CSECT, (bfd_byte *) ext->x_auxtype.x_auxtype);
314 if (type == T_NULL) {
320 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
322 bfd_h_put_64(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
323 (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
324 PUTBYTE (abfd, _AUX_FCN, (bfd_byte *) ext->x_auxtype.x_auxtype);
325 PUTWORD(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
326 (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx);
329 PUTWORD (abfd, in->x_sym.x_misc.x_fsize,
330 (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize);
333 bfd_h_put_32(abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
334 (bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_lnno);
335 bfd_h_put_16(abfd, in->x_sym.x_misc.x_lnsz.x_size,
336 (bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_size);
340 return bfd_coff_auxesz (abfd);
343 #define coff_SWAP_sym_in xcoff64_swap_sym_in
344 #define coff_SWAP_sym_out xcoff64_swap_sym_out
345 #define coff_SWAP_aux_in xcoff64_swap_aux_in
346 #define coff_SWAP_aux_out xcoff64_swap_aux_out
348 #define TARGET_NAME "aixcoff64-rs6000"
349 #define TARGET_SYM rs6000coff64_vec
351 #include "xcoff-target.h"