b7577823b6
HOST_64BIT_LONG. Check that various header files exist. Check that fcntl exists. Call BFD_BINARY_FOPEN. Check whether malloc and/or free need to be declared. Don't make a link to sysdep.h. Define TRAD_HEADER for various hosts. * configure: Rebuild. * configure.host: Don't set my_host. Add definitions taken from host header files for various entries. Remove entries which now do nothing. * acconfig.h: New file. * config.h.in: New file, built by autoheader. * sysdep.h: New file. * Makefile.in (do_distclean): Don't remove sysdep.h. (RECONFIG): Remove. (LOCAL_H_DEPS): New variable. ($(BFD_LIBS)): Use $(LOCAL_H_DEPS) rather than libbfd.h and $(RECONFIG). ($(BFD_MACHINES), $(BFD_BACKENDS)): Likewise. ($(OPTIONAL_BACKENDS)): Likewise. (stmp-bfd.h): Just substitute for BFD_HOST_64BIT_LONG, rather than looking through sysdep.h. * bfd-in.h (BFD_HOST_64BIT_LONG): Define; set by Makefile. (BFD_HOST_64_BIT): Define based on BFD_HOST_64BIT_LONG. (fprintf_vma, sprintf_vma): Likewise. (int64_type, uint64_type): Don't define. * bfd-in2.h: Rebuild. * archures.c, bfd.c, srec.c: Include <ctype.h>. * elfcore.h: Check HAVE_SYS_PROCFS_H rather than HAVE_PROCFS. * lynx-core.c: Include stuff from old hosts/lynx.h. * opncls.c (bfd_fdopenr): Check HAVE_FNCTL and defined (F_GETFL), rather than NO_FCNTL. * targets.c (bfd_target_list): Check HOST_HPPAHPUX and ! __STDC__ rather than NATIVE_HPPAHPUX_COMPILER. * trad-core.c: Don't include <errno.h>. Include TRAD_HEADER if it is defined. * hosts/*.h: Remove all header files which merely include, declare, and define things. Leave header files which define information needed by trad-core.c.
327 lines
10 KiB
C
327 lines
10 KiB
C
/* BFD back end for traditional Unix core files (U-area and raw sections)
|
||
Copyright 1988, 1989, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
||
Written by John Gilmore of Cygnus Support.
|
||
|
||
This file is part of BFD, the Binary File Descriptor library.
|
||
|
||
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include "libbfd.h"
|
||
#include "libaout.h" /* BFD a.out internal data structures */
|
||
|
||
#include <stdio.h>
|
||
#include <sys/types.h>
|
||
#include <sys/param.h>
|
||
#include <sys/dir.h>
|
||
#include <signal.h>
|
||
|
||
#include <sys/user.h> /* After a.out.h */
|
||
|
||
#ifdef TRAD_HEADER
|
||
#include TRAD_HEADER
|
||
#endif
|
||
|
||
struct trad_core_struct
|
||
{
|
||
asection *data_section;
|
||
asection *stack_section;
|
||
asection *reg_section;
|
||
struct user u;
|
||
} *rawptr;
|
||
|
||
#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
|
||
#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
|
||
#define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section)
|
||
#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
|
||
|
||
/* forward declarations */
|
||
|
||
const bfd_target *trad_unix_core_file_p PARAMS ((bfd *abfd));
|
||
char * trad_unix_core_file_failing_command PARAMS ((bfd *abfd));
|
||
int trad_unix_core_file_failing_signal PARAMS ((bfd *abfd));
|
||
boolean trad_unix_core_file_matches_executable_p
|
||
PARAMS ((bfd *core_bfd, bfd *exec_bfd));
|
||
|
||
/* Handle 4.2-style (and perhaps also sysV-style) core dump file. */
|
||
|
||
/* ARGSUSED */
|
||
const bfd_target *
|
||
trad_unix_core_file_p (abfd)
|
||
bfd *abfd;
|
||
|
||
{
|
||
int val;
|
||
struct user u;
|
||
|
||
#ifdef TRAD_CORE_USER_OFFSET
|
||
/* If defined, this macro is the file position of the user struct. */
|
||
if (bfd_seek (abfd, TRAD_CORE_USER_OFFSET, SEEK_SET) != 0)
|
||
return 0;
|
||
#endif
|
||
|
||
val = bfd_read ((void *)&u, 1, sizeof u, abfd);
|
||
if (val != sizeof u)
|
||
{
|
||
/* Too small to be a core file */
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return 0;
|
||
}
|
||
|
||
/* Sanity check perhaps??? */
|
||
if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */
|
||
{
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return 0;
|
||
}
|
||
if (u.u_ssize > 0x1000000)
|
||
{
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return 0;
|
||
}
|
||
|
||
/* Check that the size claimed is no greater than the file size. */
|
||
{
|
||
FILE *stream = bfd_cache_lookup (abfd);
|
||
struct stat statbuf;
|
||
if (stream == NULL)
|
||
return 0;
|
||
if (fstat (fileno (stream), &statbuf) < 0)
|
||
{
|
||
bfd_set_error (bfd_error_system_call);
|
||
return 0;
|
||
}
|
||
if (NBPG * (UPAGES + u.u_dsize
|
||
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
|
||
- u.u_tsize
|
||
#endif
|
||
+ u.u_ssize) > statbuf.st_size)
|
||
{
|
||
bfd_set_error (bfd_error_file_truncated);
|
||
return 0;
|
||
}
|
||
#ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE
|
||
if (NBPG * (UPAGES + u.u_dsize + u.u_ssize)
|
||
#ifdef TRAD_CORE_EXTRA_SIZE_ALLOWED
|
||
/* Some systems write the file too big. */
|
||
+ TRAD_CORE_EXTRA_SIZE_ALLOWED
|
||
#endif
|
||
< statbuf.st_size)
|
||
{
|
||
/* The file is too big. Maybe it's not a core file
|
||
or we otherwise have bad values for u_dsize and u_ssize). */
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return 0;
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/* 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 = (struct trad_core_struct *)
|
||
bfd_zmalloc (sizeof (struct trad_core_struct));
|
||
if (rawptr == NULL) {
|
||
bfd_set_error (bfd_error_no_memory);
|
||
return 0;
|
||
}
|
||
|
||
abfd->tdata.trad_core_data = rawptr;
|
||
|
||
rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
|
||
|
||
/* Create the sections. This is raunchy, but bfd_close wants to free
|
||
them separately. */
|
||
|
||
core_stacksec(abfd) = (asection *) bfd_zmalloc (sizeof (asection));
|
||
if (core_stacksec (abfd) == NULL) {
|
||
loser:
|
||
bfd_set_error (bfd_error_no_memory);
|
||
free ((void *)rawptr);
|
||
return 0;
|
||
}
|
||
core_datasec (abfd) = (asection *) bfd_zmalloc (sizeof (asection));
|
||
if (core_datasec (abfd) == NULL) {
|
||
loser1:
|
||
free ((void *)core_stacksec (abfd));
|
||
goto loser;
|
||
}
|
||
core_regsec (abfd) = (asection *) bfd_zmalloc (sizeof (asection));
|
||
if (core_regsec (abfd) == NULL) {
|
||
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 + SEC_HAS_CONTENTS;
|
||
core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
||
core_regsec (abfd)->flags = SEC_HAS_CONTENTS;
|
||
|
||
core_datasec (abfd)->_raw_size = NBPG * u.u_dsize
|
||
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
|
||
- NBPG * u.u_tsize
|
||
#endif
|
||
;
|
||
core_stacksec (abfd)->_raw_size = NBPG * u.u_ssize;
|
||
core_regsec (abfd)->_raw_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. */
|
||
#ifdef HOST_DATA_START_ADDR
|
||
core_datasec (abfd)->vma = HOST_DATA_START_ADDR;
|
||
#else
|
||
core_datasec (abfd)->vma = HOST_TEXT_START_ADDR + (NBPG * u.u_tsize);
|
||
#endif
|
||
|
||
#ifdef HOST_STACK_START_ADDR
|
||
core_stacksec (abfd)->vma = HOST_STACK_START_ADDR;
|
||
#else
|
||
core_stacksec (abfd)->vma = HOST_STACK_END_ADDR - (NBPG * u.u_ssize);
|
||
#endif
|
||
|
||
/* This is tricky. As the "register section", we give them the entire
|
||
upage and stack. u.u_ar0 points to where "register 0" is stored.
|
||
There are two tricks with this, though. One is that the rest of the
|
||
registers might be at positive or negative (or both) displacements
|
||
from *u_ar0. The other is that u_ar0 is sometimes an absolute address
|
||
in kernel memory, and on other systems it is an offset from the beginning
|
||
of the `struct user'.
|
||
|
||
As a practical matter, we don't know where the registers actually are,
|
||
so we have to pass the whole area to GDB. We encode the value of u_ar0
|
||
by setting the .regs section up so that its virtual memory address
|
||
0 is at the place pointed to by u_ar0 (by setting the vma of the start
|
||
of the section to -u_ar0). GDB uses this info to locate the regs,
|
||
using minor trickery to get around the offset-or-absolute-addr problem. */
|
||
core_regsec (abfd)->vma = 0 - (int) u.u_ar0;
|
||
|
||
core_datasec (abfd)->filepos = NBPG * UPAGES;
|
||
core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_dsize
|
||
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
|
||
- NBPG * u.u_tsize
|
||
#endif
|
||
;
|
||
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;
|
||
}
|
||
|
||
char *
|
||
trad_unix_core_file_failing_command (abfd)
|
||
bfd *abfd;
|
||
{
|
||
#ifndef NO_CORE_COMMAND
|
||
char *com = abfd->tdata.trad_core_data->u.u_comm;
|
||
if (*com)
|
||
return com;
|
||
else
|
||
#endif
|
||
return 0;
|
||
}
|
||
|
||
/* ARGSUSED */
|
||
int
|
||
trad_unix_core_file_failing_signal (ignore_abfd)
|
||
bfd *ignore_abfd;
|
||
{
|
||
#ifdef TRAD_UNIX_CORE_FILE_FAILING_SIGNAL
|
||
return TRAD_UNIX_CORE_FILE_FAILING_SIGNAL(ignore_abfd);
|
||
#else
|
||
return -1; /* FIXME, where is it? */
|
||
#endif
|
||
}
|
||
|
||
/* ARGSUSED */
|
||
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 */
|
||
}
|
||
|
||
/* If somebody calls any byte-swapping routines, shoot them. */
|
||
void
|
||
swap_abort()
|
||
{
|
||
abort(); /* This way doesn't require any declaration for ANSI to fuck up */
|
||
}
|
||
#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
|
||
#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
|
||
#define NO_SIGNED_GET \
|
||
((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
|
||
|
||
const bfd_target trad_core_vec =
|
||
{
|
||
"trad-core",
|
||
bfd_target_unknown_flavour,
|
||
true, /* target byte order */
|
||
true, /* target headers byte order */
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
0, /* symbol prefix */
|
||
' ', /* ar_pad_char */
|
||
16, /* ar_max_namelen */
|
||
3, /* minimum alignment power */
|
||
NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
|
||
NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
|
||
NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
|
||
NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
|
||
NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
|
||
NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
|
||
|
||
{ /* bfd_check_format */
|
||
_bfd_dummy_target, /* unknown format */
|
||
_bfd_dummy_target, /* object file */
|
||
_bfd_dummy_target, /* archive */
|
||
trad_unix_core_file_p /* a core file */
|
||
},
|
||
{ /* bfd_set_format */
|
||
bfd_false, bfd_false,
|
||
bfd_false, bfd_false
|
||
},
|
||
{ /* bfd_write_contents */
|
||
bfd_false, bfd_false,
|
||
bfd_false, bfd_false
|
||
},
|
||
|
||
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
|
||
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
||
BFD_JUMP_TABLE_CORE (trad_unix),
|
||
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
|
||
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
|
||
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
|
||
BFD_JUMP_TABLE_WRITE (_bfd_generic),
|
||
BFD_JUMP_TABLE_LINK (_bfd_nolink),
|
||
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
||
|
||
(PTR) 0 /* backend_data */
|
||
};
|