1992-02-28 03:56:28 +08:00
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/* Byte swap a symbol table in MIPS' format (Third-Eye).
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Copyright 1992 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "bfd.h"
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#define LANGUAGE_C /* Wierd MIPS crap */
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#include "sym.h" /* MIPS symbols */
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#include "symconst.h" /* MIPS symbols */
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1992-02-28 08:37:03 +08:00
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#include "coff/ecoff-ext.h" /* ECOFF external struct defns */
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1992-02-28 03:56:28 +08:00
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void
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ecoff_swap_hdr_in (abfd, ext_copy, intern)
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bfd *abfd;
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struct hdr_ext *ext_copy;
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HDRR *intern;
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{
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struct hdr_ext ext[1];
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*ext = *ext_copy;
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intern->magic = bfd_h_get_16 (abfd, (bfd_byte *)ext->h_magic);
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intern->vstamp = bfd_h_get_16 (abfd, (bfd_byte *)ext->h_vstamp);
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intern->ilineMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ilineMax);
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intern->cbLine = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbLine);
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intern->cbLineOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbLineOffset);
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intern->idnMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_idnMax);
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intern->cbDnOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbDnOffset);
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intern->ipdMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ipdMax);
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intern->cbPdOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbPdOffset);
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intern->isymMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_isymMax);
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intern->cbSymOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbSymOffset);
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intern->ioptMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ioptMax);
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intern->cbOptOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbOptOffset);
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intern->iauxMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_iauxMax);
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intern->cbAuxOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbAuxOffset);
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intern->issMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_issMax);
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intern->cbSsOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbSsOffset);
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intern->issExtMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_issExtMax);
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intern->cbSsExtOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbSsExtOffset);
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intern->ifdMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_ifdMax);
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intern->cbFdOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbFdOffset);
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intern->crfd = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_crfd);
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intern->cbRfdOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbRfdOffset);
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intern->iextMax = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_iextMax);
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intern->cbExtOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->h_cbExtOffset);
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#ifdef TEST
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if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
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abort();
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#endif
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}
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/* Swap in the file descriptor record. */
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void
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ecoff_swap_fdr_in (abfd, ext_copy, intern)
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bfd *abfd;
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struct fdr_ext *ext_copy;
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FDR *intern;
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{
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struct fdr_ext ext[1];
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*ext = *ext_copy; /* Make it reasonable to do in-place. */
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intern->adr = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_adr);
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intern->rss = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_rss);
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intern->issBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_issBase);
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intern->cbSs = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cbSs);
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intern->isymBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_isymBase);
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intern->csym = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_csym);
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intern->ilineBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_ilineBase);
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intern->cline = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cline);
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intern->ioptBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_ioptBase);
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intern->copt = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_copt);
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intern->ipdFirst = bfd_h_get_16 (abfd, (bfd_byte *)ext->f_ipdFirst);
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intern->cpd = bfd_h_get_16 (abfd, (bfd_byte *)ext->f_cpd);
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intern->iauxBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_iauxBase);
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intern->caux = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_caux);
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intern->rfdBase = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_rfdBase);
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intern->crfd = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_crfd);
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/* now the fun stuff... */
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if (abfd->xvec->header_byteorder_big_p != false) {
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intern->lang = (ext->f_bits1[0] & FDR_BITS1_LANG_BIG)
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>> FDR_BITS1_LANG_SH_BIG;
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intern->fMerge = 0 != (ext->f_bits1[0] & FDR_BITS1_FMERGE_BIG);
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intern->fReadin = 0 != (ext->f_bits1[0] & FDR_BITS1_FREADIN_BIG);
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intern->fBigendian = 0 != (ext->f_bits1[0] & FDR_BITS1_FBIGENDIAN_BIG);
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intern->glevel = (ext->f_bits2[0] & FDR_BITS2_GLEVEL_BIG)
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>> FDR_BITS2_GLEVEL_SH_BIG;
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/* intern->reserved we ignore. */
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} else {
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intern->lang = (ext->f_bits1[0] & FDR_BITS1_LANG_LITTLE)
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>> FDR_BITS1_LANG_SH_LITTLE;
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intern->fMerge = 0 != (ext->f_bits1[0] & FDR_BITS1_FMERGE_LITTLE);
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intern->fReadin = 0 != (ext->f_bits1[0] & FDR_BITS1_FREADIN_LITTLE);
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intern->fBigendian = 0 != (ext->f_bits1[0] & FDR_BITS1_FBIGENDIAN_LITTLE);
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intern->glevel = (ext->f_bits2[0] & FDR_BITS2_GLEVEL_LITTLE)
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>> FDR_BITS2_GLEVEL_SH_LITTLE;
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/* intern->reserved we ignore. */
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}
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intern->cbLineOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cbLineOffset);
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intern->cbLine = bfd_h_get_32 (abfd, (bfd_byte *)ext->f_cbLine);
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#ifdef TEST
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if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
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abort();
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#endif
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}
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/* Swap in the procedure descriptor record. */
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void
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ecoff_swap_pdr_in (abfd, ext_copy, intern)
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bfd *abfd;
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struct pdr_ext *ext_copy;
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PDR *intern;
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{
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struct pdr_ext ext[1];
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*ext = *ext_copy; /* Make it reasonable to do in-place. */
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intern->adr = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_adr);
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intern->isym = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_isym);
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intern->iline = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_iline);
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intern->regmask = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_regmask);
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intern->regoffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_regoffset);
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intern->iopt = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_iopt);
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intern->fregmask = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_fregmask);
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intern->fregoffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_fregoffset);
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intern->frameoffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_frameoffset);
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intern->framereg = bfd_h_get_16 (abfd, (bfd_byte *)ext->p_framereg);
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intern->pcreg = bfd_h_get_16 (abfd, (bfd_byte *)ext->p_pcreg);
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intern->lnLow = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_lnLow);
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intern->lnHigh = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_lnHigh);
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intern->cbLineOffset = bfd_h_get_32 (abfd, (bfd_byte *)ext->p_cbLineOffset);
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#ifdef TEST
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if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
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abort();
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#endif
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}
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/* Swap in a symbol record. */
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void
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ecoff_swap_sym_in (abfd, ext_copy, intern)
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bfd *abfd;
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struct sym_ext *ext_copy;
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SYMR *intern;
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{
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struct sym_ext ext[1];
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*ext = *ext_copy; /* Make it reasonable to do in-place. */
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intern->iss = bfd_h_get_32 (abfd, (bfd_byte *)ext->s_iss);
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intern->value = bfd_h_get_32 (abfd, (bfd_byte *)ext->s_value);
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/* now the fun stuff... */
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if (abfd->xvec->header_byteorder_big_p != false) {
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intern->st = (ext->s_bits1[0] & SYM_BITS1_ST_BIG)
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>> SYM_BITS1_ST_SH_BIG;
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intern->sc = ((ext->s_bits1[0] & SYM_BITS1_SC_BIG)
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<< SYM_BITS1_SC_SH_LEFT_BIG)
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| ((ext->s_bits2[0] & SYM_BITS2_SC_BIG)
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>> SYM_BITS2_SC_SH_BIG);
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intern->reserved = 0 != (ext->s_bits2[0] & SYM_BITS2_RESERVED_BIG);
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intern->index = ((ext->s_bits2[0] & SYM_BITS2_INDEX_BIG)
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<< SYM_BITS2_INDEX_SH_LEFT_BIG)
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| (ext->s_bits3[0] << SYM_BITS3_INDEX_SH_LEFT_BIG)
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| (ext->s_bits4[0] << SYM_BITS4_INDEX_SH_LEFT_BIG);
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} else {
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intern->st = (ext->s_bits1[0] & SYM_BITS1_ST_LITTLE)
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>> SYM_BITS1_ST_SH_LITTLE;
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intern->sc = ((ext->s_bits1[0] & SYM_BITS1_SC_LITTLE)
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>> SYM_BITS1_SC_SH_LITTLE)
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| ((ext->s_bits2[0] & SYM_BITS2_SC_LITTLE)
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<< SYM_BITS2_SC_SH_LEFT_LITTLE);
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intern->reserved = 0 != (ext->s_bits2[0] & SYM_BITS2_RESERVED_LITTLE);
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intern->index = ((ext->s_bits2[0] & SYM_BITS2_INDEX_LITTLE)
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>> SYM_BITS2_INDEX_SH_LITTLE)
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| (ext->s_bits3[0] << SYM_BITS3_INDEX_SH_LEFT_LITTLE)
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| (ext->s_bits4[0] << SYM_BITS4_INDEX_SH_LEFT_LITTLE);
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}
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#ifdef TEST
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if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
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abort();
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#endif
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}
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/* Swap in an external symbol record. */
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void
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ecoff_swap_ext_in (abfd, ext_copy, intern)
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bfd *abfd;
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struct ext_ext *ext_copy;
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EXTR *intern;
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{
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struct ext_ext ext[1];
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*ext = *ext_copy; /* Make it reasonable to do in-place. */
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/* now the fun stuff... */
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if (abfd->xvec->header_byteorder_big_p != false) {
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intern->jmptbl = 0 != (ext->es_bits1[0] & EXT_BITS1_JMPTBL_BIG);
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intern->cobol_main = 0 != (ext->es_bits1[0] & EXT_BITS1_COBOL_MAIN_BIG);
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} else {
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intern->jmptbl = 0 != (ext->es_bits1[0] & EXT_BITS1_JMPTBL_LITTLE);
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intern->cobol_main = 0 != (ext->es_bits1[0] & EXT_BITS1_COBOL_MAIN_LITTLE);
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}
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intern->ifd = bfd_h_get_16 (abfd, (bfd_byte *)ext->es_ifd);
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ecoff_swap_sym_in (abfd, &ext->es_asym, &intern->asym);
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#ifdef TEST
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if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
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abort();
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#endif
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}
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/* Swap in a type information record.
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BIGEND says whether AUX symbols are big-endian or little-endian; this
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info comes from the file header record (fh-fBigendian). */
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void
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ecoff_swap_tir_in (bigend, ext_copy, intern)
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int bigend;
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struct tir_ext *ext_copy;
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TIR *intern;
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{
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struct tir_ext ext[1];
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*ext = *ext_copy; /* Make it reasonable to do in-place. */
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/* now the fun stuff... */
|
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if (bigend) {
|
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|
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intern->fBitfield = 0 != (ext->t_bits1[0] & TIR_BITS1_FBITFIELD_BIG);
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intern->continued = 0 != (ext->t_bits1[0] & TIR_BITS1_CONTINUED_BIG);
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|
intern->bt = (ext->t_bits1[0] & TIR_BITS1_BT_BIG)
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|
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>> TIR_BITS1_BT_SH_BIG;
|
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|
|
|
intern->tq4 = (ext->t_tq45[0] & TIR_BITS_TQ4_BIG)
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|
|
|
>> TIR_BITS_TQ4_SH_BIG;
|
|
|
|
|
intern->tq5 = (ext->t_tq45[0] & TIR_BITS_TQ5_BIG)
|
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|
|
|
>> TIR_BITS_TQ5_SH_BIG;
|
|
|
|
|
intern->tq0 = (ext->t_tq01[0] & TIR_BITS_TQ0_BIG)
|
|
|
|
|
>> TIR_BITS_TQ0_SH_BIG;
|
|
|
|
|
intern->tq1 = (ext->t_tq01[0] & TIR_BITS_TQ1_BIG)
|
|
|
|
|
>> TIR_BITS_TQ1_SH_BIG;
|
|
|
|
|
intern->tq2 = (ext->t_tq23[0] & TIR_BITS_TQ2_BIG)
|
|
|
|
|
>> TIR_BITS_TQ2_SH_BIG;
|
|
|
|
|
intern->tq3 = (ext->t_tq23[0] & TIR_BITS_TQ3_BIG)
|
|
|
|
|
>> TIR_BITS_TQ3_SH_BIG;
|
|
|
|
|
} else {
|
|
|
|
|
intern->fBitfield = 0 != (ext->t_bits1[0] & TIR_BITS1_FBITFIELD_LITTLE);
|
|
|
|
|
intern->continued = 0 != (ext->t_bits1[0] & TIR_BITS1_CONTINUED_LITTLE);
|
|
|
|
|
intern->bt = (ext->t_bits1[0] & TIR_BITS1_BT_LITTLE)
|
|
|
|
|
>> TIR_BITS1_BT_SH_LITTLE;
|
|
|
|
|
intern->tq4 = (ext->t_tq45[0] & TIR_BITS_TQ4_LITTLE)
|
|
|
|
|
>> TIR_BITS_TQ4_SH_LITTLE;
|
|
|
|
|
intern->tq5 = (ext->t_tq45[0] & TIR_BITS_TQ5_LITTLE)
|
|
|
|
|
>> TIR_BITS_TQ5_SH_LITTLE;
|
|
|
|
|
intern->tq0 = (ext->t_tq01[0] & TIR_BITS_TQ0_LITTLE)
|
|
|
|
|
>> TIR_BITS_TQ0_SH_LITTLE;
|
|
|
|
|
intern->tq1 = (ext->t_tq01[0] & TIR_BITS_TQ1_LITTLE)
|
|
|
|
|
>> TIR_BITS_TQ1_SH_LITTLE;
|
|
|
|
|
intern->tq2 = (ext->t_tq23[0] & TIR_BITS_TQ2_LITTLE)
|
|
|
|
|
>> TIR_BITS_TQ2_SH_LITTLE;
|
|
|
|
|
intern->tq3 = (ext->t_tq23[0] & TIR_BITS_TQ3_LITTLE)
|
|
|
|
|
>> TIR_BITS_TQ3_SH_LITTLE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef TEST
|
|
|
|
|
if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
|
|
|
|
|
abort();
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Swap in a relative symbol record. BIGEND says whether it is in
|
|
|
|
|
big-endian or little-endian format.*/
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
ecoff_swap_rndx_in (bigend, ext_copy, intern)
|
|
|
|
|
int bigend;
|
|
|
|
|
struct rndx_ext *ext_copy;
|
|
|
|
|
RNDXR *intern;
|
|
|
|
|
{
|
|
|
|
|
struct rndx_ext ext[1];
|
|
|
|
|
|
|
|
|
|
*ext = *ext_copy; /* Make it reasonable to do in-place. */
|
|
|
|
|
|
|
|
|
|
/* now the fun stuff... */
|
|
|
|
|
if (bigend) {
|
|
|
|
|
intern->rfd = (ext->r_bits[0] << RNDX_BITS0_RFD_SH_LEFT_BIG)
|
|
|
|
|
| ((ext->r_bits[1] & RNDX_BITS1_RFD_BIG)
|
|
|
|
|
>> RNDX_BITS1_RFD_SH_BIG);
|
|
|
|
|
intern->index = ((ext->r_bits[1] & RNDX_BITS1_INDEX_BIG)
|
|
|
|
|
<< RNDX_BITS1_INDEX_SH_LEFT_BIG)
|
|
|
|
|
| (ext->r_bits[2] << RNDX_BITS2_INDEX_SH_LEFT_BIG)
|
|
|
|
|
| (ext->r_bits[3] << RNDX_BITS3_INDEX_SH_LEFT_BIG);
|
|
|
|
|
} else {
|
|
|
|
|
intern->rfd = (ext->r_bits[0] << RNDX_BITS0_RFD_SH_LEFT_LITTLE)
|
|
|
|
|
| ((ext->r_bits[1] & RNDX_BITS1_RFD_LITTLE)
|
|
|
|
|
<< RNDX_BITS1_RFD_SH_LEFT_LITTLE);
|
|
|
|
|
intern->index = ((ext->r_bits[1] & RNDX_BITS1_INDEX_LITTLE)
|
|
|
|
|
>> RNDX_BITS1_INDEX_SH_LITTLE)
|
|
|
|
|
| (ext->r_bits[2] << RNDX_BITS2_INDEX_SH_LEFT_LITTLE)
|
|
|
|
|
| (ext->r_bits[3] << RNDX_BITS3_INDEX_SH_LEFT_LITTLE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef TEST
|
|
|
|
|
if (memcmp ((char *)ext, (char *)intern, sizeof (*intern)) != 0)
|
|
|
|
|
abort();
|
|
|
|
|
#endif
|
|
|
|
|
}
|
