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author | John Gilmore <gnu@cygnus> | 1991-05-02 04:11:17 +0000 |
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committer | John Gilmore <gnu@cygnus> | 1991-05-02 04:11:17 +0000 |
commit | ff37ea550b842cdb18aca531e5e705c03d4eed72 (patch) | |
tree | 386469bd027e2a23132216dd3feb42d370c5c2e7 /bfd/coffswap.c | |
parent | 639893384d5faeaa671f98dfc3ed169e9aa2ccc9 (diff) | |
download | gdb-ff37ea550b842cdb18aca531e5e705c03d4eed72.zip gdb-ff37ea550b842cdb18aca531e5e705c03d4eed72.tar.gz gdb-ff37ea550b842cdb18aca531e5e705c03d4eed72.tar.bz2 |
Initial revision
Diffstat (limited to 'bfd/coffswap.c')
-rwxr-xr-x | bfd/coffswap.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/bfd/coffswap.c b/bfd/coffswap.c new file mode 100755 index 0000000..eef2c96 --- /dev/null +++ b/bfd/coffswap.c @@ -0,0 +1,121 @@ +/* Byte-swapping routines for COFF files */ + +/* Copyright (C) 1990, 1991 Free Software Foundation, Inc. + +This file is part of BFD, the Binary File Diddler. + +BFD 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 1, or (at your option) any later version. + +BFD 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 + BFD; see the file COPYING. If not, write to the Free Software Foundation, + 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* Most of this hacked by Steve Chamberlain, steve@cygnus.com */ + +#include <ansidecl.h> +#include "intel-coff.h" +#include "bfd.h" +#include "libcoff.h" /* to allow easier abstraction-breaking */ + +#define sp(x) bfd_h_put_x(abfd, x, &x) + +/* All the swapping routines: + + FIXME, these routines assume that the sizes, alignments, and offsets of + these fields are the same in the host and target. This is an invalid + assumption, which in particular breaks on the 386 and SPARC. Fix this + the same way that a.out.h and sunos.c were fixed: define char arrays + that represent the headers in the target systems' file, and have these + functions translate in from that format, and out to that format. */ + +void +DEFUN(bfd_coff_swap_name,(abfd, ptr), + bfd *abfd AND + long *ptr) +{ + if (ptr[0] == 0) { + /* There is an index which needs to be swapped */ + bfd_h_put_x(abfd, ptr[1], (ptr + 1)); + } + else { + /* This is a string .. leave it alone */ + } +} + +void +DEFUN(bfd_coff_swap_sym,(abfd, se), + bfd *abfd AND + SYMENT *se) +{ + bfd_coff_swap_name(abfd, (long*)(se->n_name)); + bfd_h_put_x(abfd, se->n_value, &se->n_value); + bfd_h_put_x(abfd, se->n_scnum, &se->n_scnum); + bfd_h_put_x(abfd, se->n_type, &se->n_type); + bfd_h_put_x(abfd, se->n_sclass, &se->n_sclass); + bfd_h_put_x(abfd, se->n_numaux, &se->n_numaux); +} + +void +DEFUN(bfd_coff_swap_aux,(abfd, au, type, class), + bfd *abfd AND + AUXENT *au AND + int type AND + int class) +{ + switch (class) { + case C_FILE: + bfd_coff_swap_name(abfd, (long *)(&au->x_file.x_n)); + break; + case C_STAT: +#ifdef C_LEAFSTAT + case C_LEAFSTAT: +#endif + case C_HIDDEN: + if (type == T_NULL) { + sp(au->x_scn.x_scnlen); + sp(au->x_scn.x_nreloc); + sp(au->x_scn.x_nlinno); + break; + } + default: + sp(au->x_sym.x_tagndx); + sp(au->x_sym.x_tvndx); + + if (ISARY(type) || class == C_BLOCK) { + sp(au->x_sym.x_fcnary.x_ary.x_dimen[0]); + sp(au->x_sym.x_fcnary.x_ary.x_dimen[1]); + sp(au->x_sym.x_fcnary.x_ary.x_dimen[2]); + sp(au->x_sym.x_fcnary.x_ary.x_dimen[3]); + } + else { + sp(au->x_sym.x_fcnary.x_fcn.x_lnnoptr); + sp(au->x_sym.x_fcnary.x_fcn.x_endndx); + } + if (ISFCN(type)) { + sp(au->x_sym.x_misc.x_fsize); + } + else { + sp(au->x_sym.x_misc.x_lnsz.x_lnno); + sp(au->x_sym.x_misc.x_lnsz.x_size); + } + } +} + +void +DEFUN(bfd_coff_swap_lineno,(abfd, lineno), + bfd *abfd AND + LINENO *lineno) +{ + sp(lineno->l_addr.l_symndx); + sp(lineno->l_lnno); +} + + |