binutils-gdb/gdb/ecoff.c

338 lines
13 KiB
C
Raw Normal View History

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