--- /dev/null
+/* 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);
+}
+
+
--- /dev/null
+/* BFD back end for traditional Unix core files (U-area and sections, raw)
+ Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc. */
+
+/* This file does not define a particular back-end, but it defines routines
+ that can be used by other back-ends. */
+
+#include "bfd.h"
+#include <stdio.h>
+#include "libbfd.h"
+
+#include "liba.out.h" /* BFD a.out internal data structures */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+#include <machine/reg.h>
+
+#include <sys/user.h> /* After a.out.h */
+#include <sys/file.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+
+/* need this cast b/c ptr is really void * */
+#define core_hdr(bfd) (((struct core_data *) (bfd->tdata))->hdr)
+#define core_datasec(bfd) (((struct core_data *) ((bfd)->tdata))->data_section)
+#define core_stacksec(bfd) (((struct core_data*)((bfd)->tdata))->stack_section)
+#define core_regsec(bfd) (((struct core_data *) ((bfd)->tdata))->reg_section)
+#define core_upage(bfd) (((struct core_data *) ((bfd)->tdata))->upage)
+
+/* These are stored in the bfd's tdata */
+struct core_data {
+ struct user *upage; /* core file header */
+ asection *data_section;
+ asection *stack_section;
+ asection *reg_section;
+};
+
+bfd_target *
+trad_unix_core_file_p (abfd)
+ bfd *abfd;
+{
+#if HOST_SYS == SUN_SYS
+ return 0;
+#else
+ int val;
+ char *rawptr;
+ struct user u;
+ unsigned int reg_offset, fp_reg_offset;
+
+ /* 4.2-style (and perhaps also sysV-style) core dump file. */
+
+ val = bfd_read ((void *)&u, 1, sizeof u, abfd);
+ if (val != sizeof u)
+ return 0; /* Too small to be a core file */
+
+ /* Sanity check perhaps??? */
+ if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */
+ return 0;
+ if (u.u_ssize > 0x1000000)
+ return 0;
+ /* Check that the size claimed is no greater than the file size. FIXME. */
+
+ /* OK, we believe you. You're a core file (sure, sure). */
+
+ /* Allocate both the upage and the struct core_data at once, so
+ a single free() will free them both. */
+ rawptr = (char *)zalloc (sizeof (u) + sizeof (struct core_data));
+ if (rawptr == NULL) {
+ bfd_error = no_memory;
+ return 0;
+ }
+
+ set_tdata (abfd, (struct core_data *)rawptr);
+ core_upage (abfd) = (struct user *)(rawptr + sizeof (struct core_data));
+ *core_upage (abfd) = u; /* Save that upage! */
+
+ /* create the sections. This is raunchy, but bfd_close wants to reclaim
+ them */
+ core_stacksec (abfd) = (asection *) zalloc (sizeof (asection));
+ if (core_stacksec (abfd) == NULL) {
+loser:
+ bfd_error = no_memory;
+ free ((void *)rawptr);
+ return 0;
+ }
+ core_datasec (abfd) = (asection *) zalloc (sizeof (asection));
+ if (core_datasec (abfd) == NULL) {
+loser1:
+ free ((void *)core_stacksec (abfd));
+ goto loser;
+ }
+ core_regsec (abfd) = (asection *) zalloc (sizeof (asection));
+ if (core_regsec (abfd) == NULL) {
+loser2:
+ free ((void *)core_datasec (abfd));
+ goto loser1;
+ }
+
+ core_stacksec (abfd)->name = ".stack";
+ core_datasec (abfd)->name = ".data";
+ core_regsec (abfd)->name = ".reg";
+
+ core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
+ core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD;
+ core_regsec (abfd)->flags = SEC_ALLOC;
+
+ core_datasec (abfd)->size = NBPG * u.u_dsize;
+ core_stacksec (abfd)->size = NBPG * u.u_ssize;
+ core_regsec (abfd)->size = NBPG * UPAGES; /* Larger than sizeof struct u */
+
+ /* What a hack... we'd like to steal it from the exec file,
+ since the upage does not seem to provide it. FIXME. */
+ core_datasec (abfd)->vma = TEXT_START_ADDR + (NBPG * u.u_tsize);
+ core_stacksec (abfd)->vma = STACK_END_ADDR - (NBPG * u.u_ssize);
+ core_regsec (abfd)->vma = -1;
+
+ core_datasec (abfd)->filepos = NBPG * UPAGES;
+ core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_dsize;
+ core_regsec (abfd)->filepos = 0; /* Register segment is the upage */
+
+ /* Align to word at least */
+ core_stacksec (abfd)->alignment_power = 2;
+ core_datasec (abfd)->alignment_power = 2;
+ core_regsec (abfd)->alignment_power = 2;
+
+ abfd->sections = core_stacksec (abfd);
+ core_stacksec (abfd)->next = core_datasec (abfd);
+ core_datasec (abfd)->next = core_regsec (abfd);
+ abfd->section_count = 3;
+
+ return abfd->xvec;
+#endif
+}
+
+char *
+trad_unix_core_file_failing_command (abfd)
+ bfd *abfd;
+{
+ if (*core_upage (abfd)->u_comm)
+ return core_upage (abfd)->u_comm;
+ else
+ return 0;
+}
+
+int
+trad_unix_core_file_failing_signal (abfd)
+ bfd *abfd;
+{
+ return -1; /* FIXME, where is it? */
+}
+
+boolean
+trad_unix_core_file_matches_executable_p (core_bfd, exec_bfd)
+ bfd *core_bfd, *exec_bfd;
+{
+ return true; /* FIXME, We have no way of telling at this point */
+}
projects / deliverable / binutils-gdb.git / commitdiff
