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* archive.c: Likewise. * cache.c: Likewise. * cisco-core.c: Likewise. * coff-alpha.c: Likewise. * coff-apollo.c: Likewise. * coff-aux.c: Likewise. * coff-h8300.c: Likewise. * coff-h8500.c: Likewise. * coff-i386.c: Likewise. * coff-i960.c: Likewise. * coff-ia64.c: Likewise. * coff-m68k.c: Likewise. * coff-m88k.c: Likewise. * coff-mcore.c: Likewise. * coff-mips.c: Likewise. * coff-or32.c: Likewise. * coff-ppc.c: Likewise. * coff-rs6000.c: Likewise. * coff-sh.c: Likewise. * coff-sparc.c: Likewise. * coff-stgo32.c: Likewise. * coff-tic30.c: Likewise. * coff-tic4x.c: Likewise. * coff-tic54x.c: Likewise. * coff-tic80.c: Likewise. * coff-w65.c: Likewise. * cofflink.c: Likewise. * cpu-arc.c: Likewise. * cpu-cris.c: Likewise. * cpu-h8500.c: Likewise. * cpu-i960.c: Likewise. * cpu-msp430.c: Likewise. * cpu-ns32k.c: Likewise. * cpu-powerpc.c: Likewise. * cpu-rs6000.c: Likewise. * cpu-tic4x.c: Likewise. * cpu-w65.c: Likewise. * ecoff.c: Likewise. * ecofflink.c: Likewise. * elf-m10200.c: Likewise. * elf32-bfin.c: Likewise. * elf32-cris.c: Likewise. * elf32-crx.c: Likewise. * elf32-fr30.c: Likewise. * elf32-frv.c: Likewise. * elf32-h8300.c: Likewise. * elf32-i960.c: Likewise. * elf32-m32c.c: Likewise. * elf32-m68hc11.c: Likewise. * elf32-m68hc12.c: Likewise. * elf32-m68hc1x.c: Likewise. * elf32-m68k.c: Likewise. * elf32-mcore.c: Likewise. * elf32-rl78.c: Likewise. * elf32-rx.c: Likewise. * elf32-s390.c: Likewise. * elf32-vax.c: Likewise. * elf64-alpha.c: Likewise. * elf64-mmix.c: Likewise. * elf64-s390.c: Likewise. * elf64-sparc.c: Likewise. * elfnn-ia64.c: Likewise. * elfxx-mips.c: Likewise. * elfxx-sparc.c: Likewise. * hash.c: Likewise. * hp300hpux.c: Likewise. * hppabsd-core.c: Likewise. * hpux-core.c: Likewise. * i386dynix.c: Likewise. * i386linux.c: Likewise. * i386lynx.c: Likewise. * i386mach3.c: Likewise. * i386msdos.c: Likewise. * i386os9k.c: Likewise. * irix-core.c: Likewise. * lynx-core.c: Likewise. * m68klinux.c: Likewise. * mach-o.h: Likewise. * mipsbsd.c: Likewise. * netbsd-core.c: Likewise. * nlm32-i386.c: Likewise. * osf-core.c: Likewise. * pc532-mach.c: Likewise. * pef.c: Likewise. * ppcboot.c: Likewise. * ptrace-core.c: Likewise. * reloc16.c: Likewise. * sco5-core.c: Likewise. * som.h: Likewise. * sparclinux.c: Likewise. * sparclynx.c: Likewise. * ticoff.h: Likewise. * trad-core.c: Likewise. * vms-lib.c: Likewise. * xsym.h: Likewise.
219 lines
6.9 KiB
C
219 lines
6.9 KiB
C
/* BFD backend for core files which use the ptrace_user structure
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Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2012 Free Software Foundation, Inc.
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The structure of this file is based on trad-core.c written by John Gilmore
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of Cygnus Support.
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Modified to work with the ptrace_user structure by Kevin A. Buettner.
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(Longterm it may be better to merge this file with trad-core.c)
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This file is part of BFD, the Binary File Descriptor library.
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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 3 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., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifdef PTRACE_CORE
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include <sys/param.h>
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#include <sys/dir.h>
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#include <signal.h>
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#include <sys/ptrace.h>
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struct trad_core_struct
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{
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asection *data_section;
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asection *stack_section;
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asection *reg_section;
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struct ptrace_user u;
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};
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#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
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#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
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#define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section)
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#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
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/* forward declarations */
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const bfd_target *ptrace_unix_core_file_p (bfd *abfd);
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char * ptrace_unix_core_file_failing_command (bfd *abfd);
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int ptrace_unix_core_file_failing_signal (bfd *abfd);
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#define ptrace_unix_core_file_matches_executable_p generic_core_file_matches_executable_p
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#define ptrace_unix_core_file_pid _bfd_nocore_core_file_pid
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static void swap_abort (void);
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const bfd_target *
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ptrace_unix_core_file_p (bfd *abfd)
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{
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int val;
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struct ptrace_user u;
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struct trad_core_struct *rawptr;
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bfd_size_type amt;
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flagword flags;
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val = bfd_bread ((void *)&u, (bfd_size_type) sizeof u, abfd);
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if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC
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|| u.pt_rev != _BCS_PTRACE_REV)
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{
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/* Too small to be a core file */
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bfd_set_error (bfd_error_wrong_format);
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return 0;
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}
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/* OK, we believe you. You're a core file (sure, sure). */
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/* Allocate both the upage and the struct core_data at once, so
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a single free() will free them both. */
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amt = sizeof (struct trad_core_struct);
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rawptr = (struct trad_core_struct *) bfd_zalloc (abfd, amt);
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if (rawptr == NULL)
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return 0;
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abfd->tdata.trad_core_data = rawptr;
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rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
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/* Create the sections. */
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flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
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core_stacksec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".stack",
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flags);
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if (core_stacksec (abfd) == NULL)
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goto fail;
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core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data",
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flags);
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if (core_datasec (abfd) == NULL)
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goto fail;
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core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
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SEC_HAS_CONTENTS);
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if (core_regsec (abfd) == NULL)
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goto fail;
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/* FIXME: Need to worry about shared memory, library data, and library
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text. I don't think that any of these things are supported on the
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system on which I am developing this for though. */
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core_datasec (abfd)->size = u.pt_dsize;
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core_stacksec (abfd)->size = u.pt_ssize;
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core_regsec (abfd)->size = sizeof (u);
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core_datasec (abfd)->vma = u.pt_o_data_start;
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core_stacksec (abfd)->vma = USRSTACK - u.pt_ssize;
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core_regsec (abfd)->vma = 0 - sizeof (u); /* see trad-core.c */
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core_datasec (abfd)->filepos = (int) u.pt_dataptr;
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core_stacksec (abfd)->filepos = (int) (u.pt_dataptr + u.pt_dsize);
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core_regsec (abfd)->filepos = 0; /* Register segment is ptrace_user */
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/* Align to word at least */
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core_stacksec (abfd)->alignment_power = 2;
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core_datasec (abfd)->alignment_power = 2;
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core_regsec (abfd)->alignment_power = 2;
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return abfd->xvec;
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fail:
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bfd_release (abfd, abfd->tdata.any);
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abfd->tdata.any = NULL;
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bfd_section_list_clear (abfd);
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return NULL;
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}
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char *
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ptrace_unix_core_file_failing_command (bfd *abfd)
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{
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char *com = abfd->tdata.trad_core_data->u.pt_comm;
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if (*com)
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return com;
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else
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return 0;
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}
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int
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ptrace_unix_core_file_failing_signal (bfd *abfd)
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{
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return abfd->tdata.trad_core_data->u.pt_sigframe.sig_num;
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}
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/* If somebody calls any byte-swapping routines, shoot them. */
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static void
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swap_abort (void)
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{
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abort (); /* This way doesn't require any declaration for ANSI to fuck up */
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}
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#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
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#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
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#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
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#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
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#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
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#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
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const bfd_target ptrace_core_vec =
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{
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"trad-core",
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bfd_target_unknown_flavour,
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BFD_ENDIAN_UNKNOWN, /* target byte order */
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BFD_ENDIAN_UNKNOWN, /* target headers byte order */
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(HAS_RELOC | EXEC_P | /* object flags */
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HAS_LINENO | HAS_DEBUG |
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HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
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0, /* symbol prefix */
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' ', /* ar_pad_char */
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16, /* ar_max_namelen */
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NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */
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NO_GET, NO_GETS, NO_PUT, /* 32 bit data */
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NO_GET, NO_GETS, NO_PUT, /* 16 bit data */
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NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */
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NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */
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NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */
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{ /* bfd_check_format */
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_bfd_dummy_target, /* unknown format */
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_bfd_dummy_target, /* object file */
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_bfd_dummy_target, /* archive */
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ptrace_unix_core_file_p /* a core file */
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},
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{ /* bfd_set_format */
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bfd_false, bfd_false,
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bfd_false, bfd_false
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},
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{ /* bfd_write_contents */
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bfd_false, bfd_false,
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bfd_false, bfd_false
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},
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BFD_JUMP_TABLE_GENERIC (_bfd_generic),
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BFD_JUMP_TABLE_COPY (_bfd_generic),
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BFD_JUMP_TABLE_CORE (ptrace_unix),
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BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
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BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
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BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
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BFD_JUMP_TABLE_WRITE (_bfd_generic),
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BFD_JUMP_TABLE_LINK (_bfd_nolink),
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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NULL,
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NULL /* backend_data */
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};
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#endif /* PTRACE_CORE */
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