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871b3ab29e
First step towards compiler verification of _bfd_error_handler arguments, and better verification of translated messages. bfd/ * bfd.c (_bfd_doprnt, _bfd_doprnt_scan): Handle %pA and %pB in place of %A and %B. * aout-adobe.c: Update all messages using %A and %B. * aout-cris.c: Likewise. * aoutx.h: Likewise. * archive.c: Likewise. * binary.c: Likewise. * cache.c: Likewise. * coff-alpha.c: Likewise. * coff-arm.c: Likewise. * coff-i860.c: Likewise. * coff-mcore.c: Likewise. * coff-ppc.c: Likewise. * coff-rs6000.c: Likewise. * coff-sh.c: Likewise. * coff-tic4x.c: Likewise. * coff-tic54x.c: Likewise. * coff-tic80.c: Likewise. * coff64-rs6000.c: Likewise. * coffcode.h: Likewise. * coffgen.c: Likewise. * cofflink.c: Likewise. * coffswap.h: Likewise. * compress.c: Likewise. * cpu-arm.c: Likewise. * ecoff.c: Likewise. * elf-attrs.c: Likewise. * elf-eh-frame.c: Likewise. * elf-ifunc.c: Likewise. * elf-m10300.c: Likewise. * elf-properties.c: Likewise. * elf-s390-common.c: Likewise. * elf.c: Likewise. * elf32-arc.c: Likewise. * elf32-arm.c: Likewise. * elf32-avr.c: Likewise. * elf32-bfin.c: Likewise. * elf32-cr16.c: Likewise. * elf32-cr16c.c: Likewise. * elf32-cris.c: Likewise. * elf32-crx.c: Likewise. * elf32-d10v.c: Likewise. * elf32-d30v.c: Likewise. * elf32-epiphany.c: Likewise. * elf32-fr30.c: Likewise. * elf32-frv.c: Likewise. * elf32-gen.c: Likewise. * elf32-hppa.c: Likewise. * elf32-i370.c: Likewise. * elf32-i386.c: Likewise. * elf32-i960.c: Likewise. * elf32-ip2k.c: Likewise. * elf32-iq2000.c: Likewise. * elf32-lm32.c: Likewise. * elf32-m32c.c: Likewise. * elf32-m32r.c: Likewise. * elf32-m68hc11.c: Likewise. * elf32-m68hc12.c: Likewise. * elf32-m68hc1x.c: Likewise. * elf32-m68k.c: Likewise. * elf32-mcore.c: Likewise. * elf32-mep.c: Likewise. * elf32-metag.c: Likewise. * elf32-microblaze.c: Likewise. * elf32-moxie.c: Likewise. * elf32-msp430.c: Likewise. * elf32-mt.c: Likewise. * elf32-nds32.c: Likewise. * elf32-nios2.c: Likewise. * elf32-or1k.c: Likewise. * elf32-pj.c: Likewise. * elf32-ppc.c: Likewise. * elf32-rl78.c: Likewise. * elf32-rx.c: Likewise. * elf32-s390.c: Likewise. * elf32-score.c: Likewise. * elf32-score7.c: Likewise. * elf32-sh-symbian.c: Likewise. * elf32-sh.c: Likewise. * elf32-sh64.c: Likewise. * elf32-sparc.c: Likewise. * elf32-spu.c: Likewise. * elf32-tic6x.c: Likewise. * elf32-tilepro.c: Likewise. * elf32-v850.c: Likewise. * elf32-vax.c: Likewise. * elf32-visium.c: Likewise. * elf32-wasm32.c: Likewise. * elf32-xgate.c: Likewise. * elf32-xtensa.c: Likewise. * elf64-alpha.c: Likewise. * elf64-gen.c: Likewise. * elf64-hppa.c: Likewise. * elf64-ia64-vms.c: Likewise. * elf64-mmix.c: Likewise. * elf64-ppc.c: Likewise. * elf64-s390.c: Likewise. * elf64-sh64.c: Likewise. * elf64-sparc.c: Likewise. * elf64-x86-64.c: Likewise. * elfcode.h: Likewise. * elfcore.h: Likewise. * elflink.c: Likewise. * elfnn-aarch64.c: Likewise. * elfnn-ia64.c: Likewise. * elfnn-riscv.c: Likewise. * elfxx-mips.c: Likewise. * elfxx-sparc.c: Likewise. * elfxx-tilegx.c: Likewise. * elfxx-x86.c: Likewise. * hpux-core.c: Likewise. * ieee.c: Likewise. * ihex.c: Likewise. * libbfd.c: Likewise. * linker.c: Likewise. * mach-o.c: Likewise. * merge.c: Likewise. * mmo.c: Likewise. * oasys.c: Likewise. * pdp11.c: Likewise. * pe-mips.c: Likewise. * peXXigen.c: Likewise. * peicode.h: Likewise. * reloc.c: Likewise. * rs6000-core.c: Likewise. * srec.c: Likewise. * stabs.c: Likewise. * vms-alpha.c: Likewise. * xcofflink.c: Likewise. ld/ * ldmisc.c (vfinfo): Handle %pA and %pB in place of %A and %B. * ldcref.c: Update all messages using %A and %B. * ldexp.c: Likewise. * ldlang.c: Likewise. * ldmain.c: Likewise. * ldmisc.c: Likewise. * pe-dll.c: Likewise. * plugin.c: Likewise. * emultempl/beos.em: Likewise. * emultempl/cr16elf.em: Likewise. * emultempl/elf32.em: Likewise. * emultempl/m68kcoff.em: Likewise. * emultempl/m68kelf.em: Likewise. * emultempl/mmo.em: Likewise. * emultempl/nds32elf.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/pep.em: Likewise. * emultempl/spuelf.em: Likewise. * emultempl/sunos.em: Likewise. * emultempl/xtensaelf.em: Likewise.
807 lines
20 KiB
C
807 lines
20 KiB
C
/* IBM RS/6000 "XCOFF" back-end for BFD.
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Copyright (C) 1990-2018 Free Software Foundation, Inc.
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Written by Metin G. Ozisik, Mimi Phuong-Thao Vo, and John Gilmore.
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Archive support from Damon A. Permezel.
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Contributed by IBM Corporation and Cygnus Support.
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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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/* This port currently only handles reading object files, except when
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compiled on an RS/6000 host. -- no archive support, no core files.
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In all cases, it does not support writing.
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This is in a separate file from coff-rs6000.c, because it includes
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system include files that conflict with coff/rs6000.h. */
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/* Internalcoff.h and coffcode.h modify themselves based on this flag. */
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#define RS6000COFF_C 1
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/* The AIX 4.1 kernel is obviously compiled with -D_LONG_LONG, so
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we have to define _LONG_LONG for older versions of gcc to get the
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proper alignments in the user structure. */
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#if defined(_AIX41) && !defined(_LONG_LONG)
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#define _LONG_LONG
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#endif
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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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#ifdef AIX_CORE
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/* AOUTHDR is defined by the above. We need another defn of it, from the
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system include files. Punt the old one and get us a new name for the
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typedef in the system include files. */
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#ifdef AOUTHDR
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#undef AOUTHDR
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#endif
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#define AOUTHDR second_AOUTHDR
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#undef SCNHDR
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/* Support for core file stuff. */
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#include <sys/user.h>
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#define __LDINFO_PTRACE32__ /* for __ld_info32 */
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#define __LDINFO_PTRACE64__ /* for __ld_info64 */
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#include <sys/ldr.h>
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#include <sys/core.h>
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#include <sys/systemcfg.h>
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/* Borrowed from <sys/inttypes.h> on recent AIX versions. */
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typedef unsigned long ptr_to_uint;
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#define core_hdr(bfd) ((CoreHdr *) bfd->tdata.any)
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/* AIX 4.1 changed the names and locations of a few items in the core file.
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AIX 4.3 defined an entirely new structure, core_dumpx, but kept support for
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the previous 4.1 structure, core_dump.
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AIX_CORE_DUMPX_CORE is defined (by configure) on AIX 4.3+, and
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CORE_VERSION_1 is defined (by AIX core.h) as 2 on AIX 4.3+ and as 1 on AIX
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4.1 and 4.2. AIX pre-4.1 (aka 3.x) either doesn't define CORE_VERSION_1
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or else defines it as 0. */
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#if defined(CORE_VERSION_1) && !CORE_VERSION_1
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# undef CORE_VERSION_1
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#endif
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/* The following union and macros allow this module to compile on all AIX
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versions and to handle both core_dumpx and core_dump on 4.3+. CNEW_*()
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and COLD_*() macros respectively retrieve core_dumpx and core_dump
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values. */
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/* Union of 32-bit and 64-bit versions of ld_info. */
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typedef union
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{
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#if defined (__ld_info32) || defined (__ld_info64)
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struct __ld_info32 l32;
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struct __ld_info64 l64;
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#else
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struct ld_info l32;
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struct ld_info l64;
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#endif
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} LdInfo;
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/* Union of old and new core dump structures. */
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typedef union
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{
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#ifdef AIX_CORE_DUMPX_CORE
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struct core_dumpx new_dump; /* New AIX 4.3+ core dump. */
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#else
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struct core_dump new_dump; /* For simpler coding. */
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#endif
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#ifndef BFD64 /* Use old only if gdb is 32-bit. */
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struct core_dump old; /* Old AIX 4.2- core dump, still used on
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4.3+ with appropriate SMIT config. */
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#endif
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} CoreHdr;
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/* Union of old and new vm_info structures. */
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#ifdef CORE_VERSION_1
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typedef union
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{
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#ifdef AIX_CORE_DUMPX_CORE
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struct vm_infox new_dump;
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#else
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struct vm_info new_dump;
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#endif
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#ifndef BFD64
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struct vm_info old;
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#endif
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} VmInfo;
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#endif
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/* Return whether CoreHdr C is in new or old format. */
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#ifdef AIX_CORE_DUMPX_CORE
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# ifndef BFD64
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# define CORE_NEW(c) (!(c).old.c_entries)
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# else
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# define CORE_NEW(c) 1
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# endif
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#else
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# define CORE_NEW(c) 0
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#endif
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/* Return whether CoreHdr C usese core_dumpxx structure.
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FIXME: the core file format version number used here definitely indicates
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that struct core_dumpxx should be used to represent the core file header,
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but that may not be the only such format version number. */
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#ifdef AIX_5_CORE
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# define CORE_DUMPXX_VERSION 267312562
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# define CNEW_IS_CORE_DUMPXX(c) ((c).new_dump.c_version == CORE_DUMPXX_VERSION)
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#else
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# define CNEW_IS_CORE_DUMPXX(c) 0
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#endif
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/* Return the c_stackorg field from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_STACKORG(c) (c).c_stackorg
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#else
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# define CNEW_STACKORG(c) 0
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#endif
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/* Return the offset to the loader region from struct core_dump C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_LOADER(c) (c).c_loader
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#else
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# define CNEW_LOADER(c) 0
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#endif
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/* Return the offset to the loader region from struct core_dump C. */
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#define COLD_LOADER(c) (c).c_tab
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/* Return the c_lsize field from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_LSIZE(c) (c).c_lsize
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#else
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# define CNEW_LSIZE(c) 0
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#endif
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/* Return the c_dataorg field from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_DATAORG(c) (c).c_dataorg
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#else
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# define CNEW_DATAORG(c) 0
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#endif
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/* Return the c_datasize field from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_DATASIZE(c) (c).c_datasize
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#else
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# define CNEW_DATASIZE(c) 0
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#endif
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/* Return the c_impl field from struct core_dumpx C. */
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#if defined (HAVE_ST_C_IMPL) || defined (AIX_5_CORE)
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# define CNEW_IMPL(c) (c).c_impl
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#else
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# define CNEW_IMPL(c) 0
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#endif
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/* Return the command string from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_COMM(c) (c).c_u.U_proc.pi_comm
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#else
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# define CNEW_COMM(c) 0
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#endif
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/* Return the command string from struct core_dump C. */
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#ifdef CORE_VERSION_1
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# define COLD_COMM(c) (c).c_u.U_comm
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#else
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# define COLD_COMM(c) (c).c_u.u_comm
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#endif
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/* Return the struct __context64 pointer from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_CONTEXT64(c) (c).c_flt.hctx.r64
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#else
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# define CNEW_CONTEXT64(c) c
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#endif
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/* Return the struct mstsave pointer from struct core_dumpx C. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_MSTSAVE(c) (c).c_flt.hctx.r32
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#else
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# define CNEW_MSTSAVE(c) c
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#endif
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/* Return the struct mstsave pointer from struct core_dump C. */
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#ifdef CORE_VERSION_1
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# define COLD_MSTSAVE(c) (c).c_mst
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#else
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# define COLD_MSTSAVE(c) (c).c_u.u_save
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#endif
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/* Return whether struct core_dumpx is from a 64-bit process. */
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#ifdef AIX_CORE_DUMPX_CORE
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# define CNEW_PROC64(c) IS_PROC64(&(c).c_u.U_proc)
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#else
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# define CNEW_PROC64(c) 0
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#endif
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/* Magic end-of-stack addresses for old core dumps. This is _very_ fragile,
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but I don't see any easy way to get that info right now. */
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#ifdef CORE_VERSION_1
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# define COLD_STACKEND 0x2ff23000
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#else
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# define COLD_STACKEND 0x2ff80000
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#endif
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/* Size of the leading portion that old and new core dump structures have in
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common. */
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#ifdef AIX_CORE_DUMPX_CORE
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#define CORE_COMMONSZ ((long) &((struct core_dumpx *) 0)->c_entries \
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+ sizeof (((struct core_dumpx *) 0)->c_entries))
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#else
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#define CORE_COMMONSZ ((int) &((struct core_dump *) 0)->c_entries \
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+ sizeof (((struct core_dump *) 0)->c_entries)
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#endif
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/* Define prototypes for certain functions, to avoid a compiler warning
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saying that they are missing. */
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const bfd_target * rs6000coff_core_p (bfd *abfd);
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bfd_boolean rs6000coff_core_file_matches_executable_p (bfd *core_bfd,
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bfd *exec_bfd);
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char * rs6000coff_core_file_failing_command (bfd *abfd);
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int rs6000coff_core_file_failing_signal (bfd *abfd);
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/* Try to read into CORE the header from the core file associated with ABFD.
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Return success. */
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static bfd_boolean
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read_hdr (bfd *abfd, CoreHdr *core)
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{
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bfd_size_type size;
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
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return FALSE;
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/* Read the leading portion that old and new core dump structures have in
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common. */
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size = CORE_COMMONSZ;
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if (bfd_bread (core, size, abfd) != size)
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return FALSE;
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/* Read the trailing portion of the structure. */
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if (CORE_NEW (*core))
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size = sizeof (core->new_dump);
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#ifndef BFD64
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else
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size = sizeof (core->old);
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#endif
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size -= CORE_COMMONSZ;
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return bfd_bread ((char *) core + CORE_COMMONSZ, size, abfd) == size;
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}
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static asection *
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make_bfd_asection (bfd *abfd, const char *name, flagword flags,
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bfd_size_type size, bfd_vma vma, file_ptr filepos)
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{
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asection *asect;
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asect = bfd_make_section_anyway_with_flags (abfd, name, flags);
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if (!asect)
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return NULL;
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asect->size = size;
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asect->vma = vma;
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asect->filepos = filepos;
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asect->alignment_power = 8;
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return asect;
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}
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/* Decide if a given bfd represents a `core' file or not. There really is no
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magic number or anything like, in rs6000coff. */
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const bfd_target *
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rs6000coff_core_p (bfd *abfd)
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{
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CoreHdr core;
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struct stat statbuf;
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bfd_size_type size;
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char *tmpptr;
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/* Values from new and old core structures. */
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int c_flag;
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file_ptr c_stack, c_regoff, c_loader;
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bfd_size_type c_size, c_regsize, c_lsize;
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bfd_vma c_stackend;
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void *c_regptr;
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int proc64;
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if (!read_hdr (abfd, &core))
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{
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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/* This isn't the right handler for 64-bit core files on AIX 5.x. */
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if (CORE_NEW (core) && CNEW_IS_CORE_DUMPXX (core))
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{
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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/* Copy fields from new or old core structure. */
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if (CORE_NEW (core))
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{
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c_flag = core.new_dump.c_flag;
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c_stack = (file_ptr) core.new_dump.c_stack;
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c_size = core.new_dump.c_size;
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c_stackend = CNEW_STACKORG (core.new_dump) + c_size;
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c_lsize = CNEW_LSIZE (core.new_dump);
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c_loader = CNEW_LOADER (core.new_dump);
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#ifndef BFD64
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proc64 = CNEW_PROC64 (core.new_dump);
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}
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else
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{
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c_flag = core.old.c_flag;
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c_stack = (file_ptr) (ptr_to_uint) core.old.c_stack;
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c_size = core.old.c_size;
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c_stackend = COLD_STACKEND;
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c_lsize = 0x7ffffff;
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c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
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#endif
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proc64 = 0;
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}
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if (proc64)
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{
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c_regsize = sizeof (CNEW_CONTEXT64 (core.new_dump));
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c_regptr = &CNEW_CONTEXT64 (core.new_dump);
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}
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else if (CORE_NEW (core))
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{
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c_regsize = sizeof (CNEW_MSTSAVE (core.new_dump));
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c_regptr = &CNEW_MSTSAVE (core.new_dump);
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}
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#ifndef BFD64
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else
|
|
{
|
|
c_regsize = sizeof (COLD_MSTSAVE (core.old));
|
|
c_regptr = &COLD_MSTSAVE (core.old);
|
|
}
|
|
#endif
|
|
c_regoff = (char *) c_regptr - (char *) &core;
|
|
|
|
if (bfd_stat (abfd, &statbuf) < 0)
|
|
{
|
|
bfd_set_error (bfd_error_system_call);
|
|
return NULL;
|
|
}
|
|
|
|
/* If the core file ulimit is too small, the system will first
|
|
omit the data segment, then omit the stack, then decline to
|
|
dump core altogether (as far as I know UBLOCK_VALID and LE_VALID
|
|
are always set) (this is based on experimentation on AIX 3.2).
|
|
Now, the thing is that GDB users will be surprised
|
|
if segments just silently don't appear (well, maybe they would
|
|
think to check "info files", I don't know).
|
|
|
|
For the data segment, we have no choice but to keep going if it's
|
|
not there, since the default behavior is not to dump it (regardless
|
|
of the ulimit, it's based on SA_FULLDUMP). But for the stack segment,
|
|
if it's not there, we refuse to have anything to do with this core
|
|
file. The usefulness of a core dump without a stack segment is pretty
|
|
limited anyway. */
|
|
|
|
if (!(c_flag & UBLOCK_VALID)
|
|
|| !(c_flag & LE_VALID))
|
|
{
|
|
bfd_set_error (bfd_error_wrong_format);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(c_flag & USTACK_VALID))
|
|
{
|
|
bfd_set_error (bfd_error_file_truncated);
|
|
return NULL;
|
|
}
|
|
|
|
/* Don't check the core file size for a full core, AIX 4.1 includes
|
|
additional shared library sections in a full core. */
|
|
if (!(c_flag & (FULL_CORE | CORE_TRUNC)))
|
|
{
|
|
/* If the size is wrong, it means we're misinterpreting something. */
|
|
if (c_stack + (file_ptr) c_size != statbuf.st_size)
|
|
{
|
|
bfd_set_error (bfd_error_wrong_format);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* Sanity check on the c_tab field. */
|
|
if (!CORE_NEW (core)
|
|
&& (
|
|
#ifndef BFD64
|
|
c_loader < (file_ptr) sizeof core.old
|
|
#else
|
|
c_loader < (file_ptr) sizeof core.new_dump
|
|
#endif
|
|
|| c_loader >= statbuf.st_size
|
|
|| c_loader >= c_stack))
|
|
{
|
|
bfd_set_error (bfd_error_wrong_format);
|
|
return NULL;
|
|
}
|
|
|
|
/* Issue warning if the core file was truncated during writing. */
|
|
if (c_flag & CORE_TRUNC)
|
|
_bfd_error_handler (_("%pB: warning core file truncated"), abfd);
|
|
|
|
/* Allocate core file header. */
|
|
#ifndef BFD64
|
|
size = CORE_NEW (core) ? sizeof (core.new_dump) : sizeof (core.old);
|
|
#else
|
|
size = sizeof (core.new_dump);
|
|
#endif
|
|
tmpptr = (char *) bfd_zalloc (abfd, (bfd_size_type) size);
|
|
if (!tmpptr)
|
|
return NULL;
|
|
|
|
/* Copy core file header. */
|
|
memcpy (tmpptr, &core, size);
|
|
set_tdata (abfd, tmpptr);
|
|
|
|
/* Set architecture. */
|
|
if (CORE_NEW (core))
|
|
{
|
|
enum bfd_architecture arch;
|
|
unsigned long mach;
|
|
|
|
switch (CNEW_IMPL (core.new_dump))
|
|
{
|
|
case POWER_RS1:
|
|
case POWER_RSC:
|
|
case POWER_RS2:
|
|
arch = bfd_arch_rs6000;
|
|
mach = bfd_mach_rs6k;
|
|
break;
|
|
default:
|
|
arch = bfd_arch_powerpc;
|
|
mach = bfd_mach_ppc;
|
|
break;
|
|
}
|
|
bfd_default_set_arch_mach (abfd, arch, mach);
|
|
}
|
|
|
|
/* .stack section. */
|
|
if (!make_bfd_asection (abfd, ".stack",
|
|
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
|
|
c_size, c_stackend - c_size, c_stack))
|
|
goto fail;
|
|
|
|
/* .reg section for all registers. */
|
|
if (!make_bfd_asection (abfd, ".reg",
|
|
SEC_HAS_CONTENTS,
|
|
c_regsize, (bfd_vma) 0, c_regoff))
|
|
goto fail;
|
|
|
|
/* .ldinfo section.
|
|
To actually find out how long this section is in this particular
|
|
core dump would require going down the whole list of struct ld_info's.
|
|
See if we can just fake it. */
|
|
if (!make_bfd_asection (abfd, ".ldinfo",
|
|
SEC_HAS_CONTENTS,
|
|
c_lsize, (bfd_vma) 0, c_loader))
|
|
goto fail;
|
|
|
|
#ifndef CORE_VERSION_1
|
|
/* .data section if present.
|
|
AIX 3 dumps the complete data section and sets FULL_CORE if the
|
|
ulimit is large enough, otherwise the data section is omitted.
|
|
AIX 4 sets FULL_CORE even if the core file is truncated, we have
|
|
to examine core.c_datasize below to find out the actual size of
|
|
the .data section. */
|
|
if (c_flag & FULL_CORE)
|
|
{
|
|
if (!make_bfd_asection (abfd, ".data",
|
|
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
|
|
(bfd_size_type) core.old.c_u.u_dsize,
|
|
(bfd_vma)
|
|
CDATA_ADDR (core.old.c_u.u_dsize),
|
|
c_stack + c_size))
|
|
goto fail;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CORE_VERSION_1
|
|
/* AIX 4 adds data sections from loaded objects to the core file,
|
|
which can be found by examining ldinfo, and anonymously mmapped
|
|
regions. */
|
|
{
|
|
LdInfo ldinfo;
|
|
bfd_size_type ldi_datasize;
|
|
file_ptr ldi_core;
|
|
uint ldi_next;
|
|
bfd_vma ldi_dataorg;
|
|
bfd_vma core_dataorg;
|
|
|
|
/* Fields from new and old core structures. */
|
|
bfd_size_type c_datasize, c_vmregions;
|
|
file_ptr c_data, c_vmm;
|
|
|
|
if (CORE_NEW (core))
|
|
{
|
|
c_datasize = CNEW_DATASIZE (core.new_dump);
|
|
c_data = (file_ptr) core.new_dump.c_data;
|
|
c_vmregions = core.new_dump.c_vmregions;
|
|
c_vmm = (file_ptr) core.new_dump.c_vmm;
|
|
}
|
|
#ifndef BFD64
|
|
else
|
|
{
|
|
c_datasize = core.old.c_datasize;
|
|
c_data = (file_ptr) (ptr_to_uint) core.old.c_data;
|
|
c_vmregions = core.old.c_vmregions;
|
|
c_vmm = (file_ptr) (ptr_to_uint) core.old.c_vmm;
|
|
}
|
|
#endif
|
|
|
|
/* .data section from executable. */
|
|
if (c_datasize)
|
|
{
|
|
/* If Large Memory Model is used, then the .data segment should start from
|
|
BDATAORG which has been defined in the system header files. */
|
|
|
|
if (c_flag & CORE_BIGDATA)
|
|
core_dataorg = BDATAORG;
|
|
else
|
|
core_dataorg = CDATA_ADDR (c_datasize);
|
|
|
|
if (!make_bfd_asection (abfd, ".data",
|
|
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
|
|
c_datasize,
|
|
(bfd_vma) core_dataorg,
|
|
c_data))
|
|
goto fail;
|
|
}
|
|
|
|
/* .data sections from loaded objects. */
|
|
if (proc64)
|
|
size = (unsigned long) ((LdInfo *) 0)->l64.ldinfo_filename;
|
|
else
|
|
size = (unsigned long) ((LdInfo *) 0)->l32.ldinfo_filename;
|
|
|
|
while (1)
|
|
{
|
|
if (bfd_seek (abfd, c_loader, SEEK_SET) != 0)
|
|
goto fail;
|
|
if (bfd_bread (&ldinfo, size, abfd) != size)
|
|
goto fail;
|
|
|
|
if (proc64)
|
|
{
|
|
ldi_core = ldinfo.l64.ldinfo_core;
|
|
ldi_datasize = ldinfo.l64.ldinfo_datasize;
|
|
ldi_dataorg = (bfd_vma) ldinfo.l64.ldinfo_dataorg;
|
|
ldi_next = ldinfo.l64.ldinfo_next;
|
|
}
|
|
else
|
|
{
|
|
ldi_core = ldinfo.l32.ldinfo_core;
|
|
ldi_datasize = ldinfo.l32.ldinfo_datasize;
|
|
ldi_dataorg = (bfd_vma) (ptr_to_uint) ldinfo.l32.ldinfo_dataorg;
|
|
ldi_next = ldinfo.l32.ldinfo_next;
|
|
}
|
|
|
|
if (ldi_core)
|
|
if (!make_bfd_asection (abfd, ".data",
|
|
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
|
|
ldi_datasize, ldi_dataorg, ldi_core))
|
|
goto fail;
|
|
|
|
if (ldi_next == 0)
|
|
break;
|
|
c_loader += ldi_next;
|
|
}
|
|
|
|
/* .vmdata sections from anonymously mmapped regions. */
|
|
if (c_vmregions)
|
|
{
|
|
bfd_size_type i;
|
|
|
|
if (bfd_seek (abfd, c_vmm, SEEK_SET) != 0)
|
|
goto fail;
|
|
|
|
for (i = 0; i < c_vmregions; i++)
|
|
{
|
|
VmInfo vminfo;
|
|
bfd_size_type vminfo_size;
|
|
file_ptr vminfo_offset;
|
|
bfd_vma vminfo_addr;
|
|
|
|
#ifndef BFD64
|
|
size = CORE_NEW (core) ? sizeof (vminfo.new_dump) : sizeof (vminfo.old);
|
|
#else
|
|
size = sizeof (vminfo.new_dump);
|
|
#endif
|
|
if (bfd_bread (&vminfo, size, abfd) != size)
|
|
goto fail;
|
|
|
|
if (CORE_NEW (core))
|
|
{
|
|
vminfo_addr = (bfd_vma) vminfo.new_dump.vminfo_addr;
|
|
vminfo_size = vminfo.new_dump.vminfo_size;
|
|
vminfo_offset = vminfo.new_dump.vminfo_offset;
|
|
}
|
|
#ifndef BFD64
|
|
else
|
|
{
|
|
vminfo_addr = (bfd_vma) (ptr_to_uint) vminfo.old.vminfo_addr;
|
|
vminfo_size = vminfo.old.vminfo_size;
|
|
vminfo_offset = vminfo.old.vminfo_offset;
|
|
}
|
|
#endif
|
|
|
|
if (vminfo_offset)
|
|
if (!make_bfd_asection (abfd, ".vmdata",
|
|
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
|
|
vminfo_size, vminfo_addr,
|
|
vminfo_offset))
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return abfd->xvec; /* This is garbage for now. */
|
|
|
|
fail:
|
|
bfd_release (abfd, abfd->tdata.any);
|
|
abfd->tdata.any = NULL;
|
|
bfd_section_list_clear (abfd);
|
|
return NULL;
|
|
}
|
|
|
|
/* Return `TRUE' if given core is from the given executable. */
|
|
|
|
bfd_boolean
|
|
rs6000coff_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
|
|
{
|
|
CoreHdr core;
|
|
bfd_size_type size;
|
|
char *path, *s;
|
|
size_t alloc;
|
|
const char *str1, *str2;
|
|
bfd_boolean ret;
|
|
file_ptr c_loader;
|
|
|
|
if (!read_hdr (core_bfd, &core))
|
|
return FALSE;
|
|
|
|
if (CORE_NEW (core))
|
|
c_loader = CNEW_LOADER (core.new_dump);
|
|
#ifndef BFD64
|
|
else
|
|
c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
|
|
#endif
|
|
|
|
if (CORE_NEW (core) && CNEW_PROC64 (core.new_dump))
|
|
size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
|
|
else
|
|
size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
|
|
|
|
if (bfd_seek (core_bfd, c_loader + size, SEEK_SET) != 0)
|
|
return FALSE;
|
|
|
|
alloc = 100;
|
|
path = bfd_malloc ((bfd_size_type) alloc);
|
|
if (path == NULL)
|
|
return FALSE;
|
|
s = path;
|
|
|
|
while (1)
|
|
{
|
|
if (bfd_bread (s, (bfd_size_type) 1, core_bfd) != 1)
|
|
{
|
|
free (path);
|
|
return FALSE;
|
|
}
|
|
if (*s == '\0')
|
|
break;
|
|
++s;
|
|
if (s == path + alloc)
|
|
{
|
|
char *n;
|
|
|
|
alloc *= 2;
|
|
n = bfd_realloc (path, (bfd_size_type) alloc);
|
|
if (n == NULL)
|
|
{
|
|
free (path);
|
|
return FALSE;
|
|
}
|
|
s = n + (path - s);
|
|
path = n;
|
|
}
|
|
}
|
|
|
|
str1 = strrchr (path, '/');
|
|
str2 = strrchr (exec_bfd->filename, '/');
|
|
|
|
/* step over character '/' */
|
|
str1 = str1 != NULL ? str1 + 1 : path;
|
|
str2 = str2 != NULL ? str2 + 1 : exec_bfd->filename;
|
|
|
|
if (strcmp (str1, str2) == 0)
|
|
ret = TRUE;
|
|
else
|
|
ret = FALSE;
|
|
|
|
free (path);
|
|
|
|
return ret;
|
|
}
|
|
|
|
char *
|
|
rs6000coff_core_file_failing_command (bfd *abfd)
|
|
{
|
|
CoreHdr *core = core_hdr (abfd);
|
|
#ifndef BFD64
|
|
char *com = CORE_NEW (*core) ?
|
|
CNEW_COMM (core->new_dump) : COLD_COMM (core->old);
|
|
#else
|
|
char *com = CNEW_COMM (core->new_dump);
|
|
#endif
|
|
|
|
if (*com)
|
|
return com;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
rs6000coff_core_file_failing_signal (bfd *abfd)
|
|
{
|
|
CoreHdr *core = core_hdr (abfd);
|
|
#ifndef BFD64
|
|
return CORE_NEW (*core) ? core->new_dump.c_signo : core->old.c_signo;
|
|
#else
|
|
return core->new_dump.c_signo;
|
|
#endif
|
|
}
|
|
|
|
#endif /* AIX_CORE */
|