[deliverable/binutils-gdb.git] / bfd / hpux-core.c

/* BFD back-end for HP/UX core files.
   Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002
   Free Software Foundation, Inc.
   Written by Stu Grossman, Cygnus Support.
   Converted to back-end form by Ian Lance Taylor, 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.  */

/* This file can only be compiled on systems which use HP/UX style
   core files.  */

#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"

#if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX) || defined (HOST_HPPAMPEIX)

/* FIXME: sys/core.h doesn't exist for HPUX version 7.  HPUX version
   5, 6, and 7 core files seem to be standard trad-core.c type core
   files; can we just use trad-core.c in addition to this file?  */

#include <sys/core.h>
#include <sys/utsname.h>

#endif /* HOST_HPPAHPUX */

#ifdef HOST_HPPABSD

/* Not a very swift place to put it, but that's where the BSD port
   puts them.  */
#include "/hpux/usr/include/sys/core.h"

#endif /* HOST_HPPABSD */

#include <sys/param.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else
# ifdef HAVE_SYS_NDIR_H
#  include <sys/ndir.h>
# endif
# ifdef HAVE_SYS_DIR_H
#  include <sys/dir.h>
# endif
# ifdef HAVE_NDIR_H
#  include <ndir.h>
# endif
#endif
#include <signal.h>
#include <machine/reg.h>
#include <sys/user.h>		/* After a.out.h  */
#include <sys/file.h>

/* Kludge: There's no explicit mechanism provided by sys/core.h to
   conditionally know whether a proc_info has thread id fields.
   However, CORE_ANON_SHMEM shows up first at 10.30, which is
   happily also when meaningful thread id's show up in proc_info. */
#if defined(CORE_ANON_SHMEM)
#define PROC_INFO_HAS_THREAD_ID (1)
#endif

/* This type appears at HP-UX 10.30.  Defining it if not defined
   by sys/core.h allows us to build for older HP-UX's, and (since
   it won't be encountered in core-dumps from older HP-UX's) is
   harmless. */
#if !defined(CORE_ANON_SHMEM)
#define CORE_ANON_SHMEM 0x00000200         /* anonymous shared memory */
#endif

/* These are stored in the bfd's tdata */

/* .lwpid and .user_tid are only valid if PROC_INFO_HAS_THREAD_ID, else they
   are set to 0.  Also, until HP-UX implements MxN threads, .user_tid and
   .lwpid are synonymous. */
struct hpux_core_struct
{
  int sig;
  int lwpid;               /* Kernel thread ID. */
  unsigned long user_tid;  /* User thread ID. */
  char cmd[MAXCOMLEN + 1];
};

#define core_hdr(bfd) ((bfd)->tdata.hpux_core_data)
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)
#define core_kernel_thread_id(bfd) (core_hdr(bfd)->lwpid)
#define core_user_thread_id(bfd) (core_hdr(bfd)->user_tid)

static asection *make_bfd_asection
  PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma,
	   unsigned int));
static asymbol *hpux_core_make_empty_symbol PARAMS ((bfd *));
static const bfd_target *hpux_core_core_file_p PARAMS ((bfd *));
static char *hpux_core_core_file_failing_command PARAMS ((bfd *));
static int hpux_core_core_file_failing_signal PARAMS ((bfd *));
static boolean hpux_core_core_file_matches_executable_p
  PARAMS ((bfd *, bfd *));
static void swap_abort PARAMS ((void));

static asection *
make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
     bfd *abfd;
     const char *name;
     flagword flags;
     bfd_size_type _raw_size;
     bfd_vma vma;
     unsigned int alignment_power;
{
  asection *asect;
  char *newname;

  newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1);
  if (!newname)
    return NULL;

  strcpy (newname, name);

  asect = bfd_make_section_anyway (abfd, newname);
  if (!asect)
    return NULL;

  asect->flags = flags;
  asect->_raw_size = _raw_size;
  asect->vma = vma;
  asect->filepos = bfd_tell (abfd);
  asect->alignment_power = alignment_power;

  return asect;
}

static asymbol *
hpux_core_make_empty_symbol (abfd)
     bfd *abfd;
{
  asymbol *new;

  new = (asymbol *) bfd_zalloc (abfd, (bfd_size_type) sizeof (asymbol));
  if (new)
    new->the_bfd = abfd;
  return new;
}

/* this function builds a bfd target if the file is a corefile.
   It returns null or 0 if it finds out thaat it is not a core file.
   The way it checks this is by looking for allowed 'type' field values.
   These are declared in sys/core.h
   There are some values which are 'reserved for future use'. In particular
   CORE_NONE is actually defined as 0. This may be a catch-all for cases
   in which the core file is generated by some non-hpux application.
   (I am just guessing here!)
*/
static const bfd_target *
hpux_core_core_file_p (abfd)
     bfd *abfd;
{
  int  good_sections = 0;
  int  unknown_sections = 0;

  core_hdr (abfd) = (struct hpux_core_struct *)
    bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hpux_core_struct));
  if (!core_hdr (abfd))
    return NULL;

  while (1)
    {
      int val;
      struct corehead core_header;

      val = bfd_bread ((void *) &core_header,
		      (bfd_size_type) sizeof core_header, abfd);
      if (val <= 0)
	break;
      switch (core_header.type)
	{
	case CORE_KERNEL:
	case CORE_FORMAT:
	  /* Just skip this.  */
	  bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
          good_sections++;
	  break;
	case CORE_EXEC:
	  {
	    struct proc_exec proc_exec;
	    if (bfd_bread ((void *) &proc_exec, (bfd_size_type) core_header.len,
			  abfd) != core_header.len)
	      break;
	    strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
            good_sections++;
	  }
	  break;
	case CORE_PROC:
	  {
	    struct proc_info proc_info;
	    char  secname[100];  /* Of arbitrary size, but plenty large. */

            /* We need to read this section, 'cause we need to determine
               whether the core-dumped app was threaded before we create
               any .reg sections. */
	    if (bfd_bread (&proc_info, (bfd_size_type) core_header.len, abfd)
		!= core_header.len)
	      break;

              /* However, we also want to create those sections with the
                 file positioned at the start of the record, it seems. */
            if (bfd_seek (abfd, (file_ptr) -core_header.len, SEEK_CUR) != 0)
              break;

#if defined(PROC_INFO_HAS_THREAD_ID)
            core_kernel_thread_id (abfd) = proc_info.lwpid;
            core_user_thread_id (abfd) = proc_info.user_tid;
#else
            core_kernel_thread_id (abfd) = 0;
            core_user_thread_id (abfd) = 0;
#endif
            /* If the program was unthreaded, then we'll just create a
               .reg section.

               If the program was threaded, then we'll create .reg/XXXXX
               section for each thread, where XXXXX is a printable
               representation of the kernel thread id.  We'll also
               create a .reg section for the thread that was running
               and signalled at the time of the core-dump (i.e., this
               is effectively an alias, needed to keep GDB happy.)

               Note that we use `.reg/XXXXX' as opposed to '.regXXXXX'
               because GDB expects that .reg2 will be the floating-
               point registers. */
            if (core_kernel_thread_id (abfd) == 0)
              {
                if (!make_bfd_asection (abfd, ".reg",
                                        SEC_HAS_CONTENTS,
                                        core_header.len,
                                        (int) &proc_info - (int) & proc_info.hw_regs,
                                        2))
		  goto fail;
              }
            else
              {
                /* There are threads.  Is this the one that caused the
                   core-dump?  We'll claim it was the running thread. */
                if (proc_info.sig != -1)
                  {
		    if (!make_bfd_asection (abfd, ".reg",
					    SEC_HAS_CONTENTS,
					    core_header.len,
					    (int) &proc_info - (int) & proc_info.hw_regs,
					    2))
		      goto fail;
                  }
                /* We always make one of these sections, for every thread. */
                sprintf (secname, ".reg/%d", core_kernel_thread_id (abfd));
                if (!make_bfd_asection (abfd, secname,
                                        SEC_HAS_CONTENTS,
                                        core_header.len,
                                        (int) &proc_info - (int) & proc_info.hw_regs,
                                        2))
		  goto fail;
              }
	    core_signal (abfd) = proc_info.sig;
            if (bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR) != 0)
              break;
            good_sections++;
	  }
	  break;

	case CORE_DATA:
	case CORE_STACK:
	case CORE_TEXT:
	case CORE_MMF:
	case CORE_SHM:
	case CORE_ANON_SHMEM:
	  if (!make_bfd_asection (abfd, ".data",
				  SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
				  core_header.len, core_header.addr, 2))
	    goto fail;

	  bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
          good_sections++;
	  break;

	case CORE_NONE:
          /* Let's not punt if we encounter a section of unknown
             type.  Rather, let's make a note of it.  If we later
             see that there were also "good" sections, then we'll
             declare that this a core file, but we'll also warn that
             it may be incompatible with this gdb.
             */
	  unknown_sections++;
          break;

         default:
	   goto fail; /*unrecognized core file type */
	}
    }

  /* OK, we believe you.  You're a core file (sure, sure).  */

  /* Were there sections of unknown type?  If so, yet there were
     at least some complete sections of known type, then, issue
     a warning.  Possibly the core file was generated on a version
     of HP-UX that is incompatible with that for which this gdb was
     built.
     */
  if ((unknown_sections > 0) && (good_sections > 0))
    (*_bfd_error_handler)
      ("%s appears to be a core file,\nbut contains unknown sections.  It may have been created on an incompatible\nversion of HP-UX.  As a result, some information may be unavailable.\n",
       abfd->filename);

  return abfd->xvec;

 fail:
  bfd_release (abfd, core_hdr (abfd));
  core_hdr (abfd) = NULL;
  bfd_section_list_clear (abfd);
  return NULL;
}

static char *
hpux_core_core_file_failing_command (abfd)
     bfd *abfd;
{
  return core_command (abfd);
}

/* ARGSUSED */
static int
hpux_core_core_file_failing_signal (abfd)
     bfd *abfd;
{
  return core_signal (abfd);
}

/* ARGSUSED */
static boolean
hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd)
     bfd *core_bfd ATTRIBUTE_UNUSED;
     bfd *exec_bfd ATTRIBUTE_UNUSED;
{
  return true;			/* FIXME, We have no way of telling at this point */
}
\f
#define hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
#define hpux_core_get_symtab _bfd_nosymbols_get_symtab
#define hpux_core_print_symbol _bfd_nosymbols_print_symbol
#define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info
#define hpux_core_bfd_is_local_label_name \
  _bfd_nosymbols_bfd_is_local_label_name
#define hpux_core_get_lineno _bfd_nosymbols_get_lineno
#define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line
#define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
#define hpux_core_read_minisymbols _bfd_nosymbols_read_minisymbols
#define hpux_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol

/* If somebody calls any byte-swapping routines, shoot them.  */
static 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 hpux_core_vec =
  {
    "hpux-core",
    bfd_target_unknown_flavour,
    BFD_ENDIAN_BIG,		/* target byte order */
    BFD_ENDIAN_BIG,		/* 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 */
    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 */
     hpux_core_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 (hpux_core),
       BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
       BFD_JUMP_TABLE_SYMBOLS (hpux_core),
       BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
       BFD_JUMP_TABLE_WRITE (_bfd_generic),
       BFD_JUMP_TABLE_LINK (_bfd_nolink),
       BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),

    NULL,

    (PTR) 0			/* backend_data */
};
Commit	Line	Data
252b5132	1	/* BFD back-end for HP/UX core files.
9e7b37b3	2	Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002
7898deda	3	Free Software Foundation, Inc.
252b5132 RH	4	Written by Stu Grossman, Cygnus Support.
	5	Converted to back-end form by Ian Lance Taylor, Cygnus SUpport
	6
	7	This file is part of BFD, the Binary File Descriptor library.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 2 of the License, or
	12	(at your option) any later version.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	22
	23	/* This file can only be compiled on systems which use HP/UX style
	24	core files. */
	25
	26	#include "bfd.h"
	27	#include "sysdep.h"
	28	#include "libbfd.h"
	29
	30	#if defined (HOST_HPPAHPUX) \|\| defined (HOST_HP300HPUX) \|\| defined (HOST_HPPAMPEIX)
	31
	32	/* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version
	33	5, 6, and 7 core files seem to be standard trad-core.c type core
	34	files; can we just use trad-core.c in addition to this file? */
	35
	36	#include <sys/core.h>
	37	#include <sys/utsname.h>
	38
	39	#endif /* HOST_HPPAHPUX */
	40
	41	#ifdef HOST_HPPABSD
	42
	43	/* Not a very swift place to put it, but that's where the BSD port
	44	puts them. */
	45	#include "/hpux/usr/include/sys/core.h"
	46
	47	#endif /* HOST_HPPABSD */
	48
	49	#include <sys/param.h>
	50	#ifdef HAVE_DIRENT_H
	51	# include <dirent.h>
	52	#else
	53	# ifdef HAVE_SYS_NDIR_H
	54	# include <sys/ndir.h>
	55	# endif
	56	# ifdef HAVE_SYS_DIR_H
	57	# include <sys/dir.h>
	58	# endif
	59	# ifdef HAVE_NDIR_H
	60	# include <ndir.h>
	61	# endif
	62	#endif
	63	#include <signal.h>
	64	#include <machine/reg.h>
	65	#include <sys/user.h> /* After a.out.h */
	66	#include <sys/file.h>
	67
68	/* Kludge: There's no explicit mechanism provided by sys/core.h to
69	conditionally know whether a proc_info has thread id fields.
70	However, CORE_ANON_SHMEM shows up first at 10.30, which is
71	happily also when meaningful thread id's show up in proc_info. */
72	#if defined(CORE_ANON_SHMEM)
73	#define PROC_INFO_HAS_THREAD_ID (1)
74	#endif
75
76	/* This type appears at HP-UX 10.30. Defining it if not defined
77	by sys/core.h allows us to build for older HP-UX's, and (since
78	it won't be encountered in core-dumps from older HP-UX's) is
79	harmless. */
80	#if !defined(CORE_ANON_SHMEM)
81	#define CORE_ANON_SHMEM 0x00000200 /* anonymous shared memory */
82	#endif
83
84	/* These are stored in the bfd's tdata */
85
86	/* .lwpid and .user_tid are only valid if PROC_INFO_HAS_THREAD_ID, else they
87	are set to 0. Also, until HP-UX implements MxN threads, .user_tid and
88	.lwpid are synonymous. */
3fde5a36	89	struct hpux_core_struct
252b5132 RH	90	{
	91	int sig;
	92	int lwpid; /* Kernel thread ID. */
	93	unsigned long user_tid; /* User thread ID. */
	94	char cmd[MAXCOMLEN + 1];
	95	};
	96
	97	#define core_hdr(bfd) ((bfd)->tdata.hpux_core_data)
	98	#define core_signal(bfd) (core_hdr(bfd)->sig)
	99	#define core_command(bfd) (core_hdr(bfd)->cmd)
	100	#define core_kernel_thread_id(bfd) (core_hdr(bfd)->lwpid)
	101	#define core_user_thread_id(bfd) (core_hdr(bfd)->user_tid)
	102
dc810e39 AM	103	static asection *make_bfd_asection
	104	PARAMS ((bfd , const char , flagword, bfd_size_type, bfd_vma,
	105	unsigned int));
	106	static asymbol hpux_core_make_empty_symbol PARAMS ((bfd ));
	107	static const bfd_target hpux_core_core_file_p PARAMS ((bfd ));
	108	static char hpux_core_core_file_failing_command PARAMS ((bfd ));
	109	static int hpux_core_core_file_failing_signal PARAMS ((bfd *));
	110	static boolean hpux_core_core_file_matches_executable_p
	111	PARAMS ((bfd , bfd ));
252b5132 RH	112	static void swap_abort PARAMS ((void));
	113
	114	static asection *
	115	make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
	116	bfd *abfd;
dc810e39	117	const char *name;
252b5132 RH	118	flagword flags;
	119	bfd_size_type _raw_size;
	120	bfd_vma vma;
	121	unsigned int alignment_power;
	122	{
	123	asection *asect;
	124	char *newname;
	125
dc810e39	126	newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1);
252b5132 RH	127	if (!newname)
	128	return NULL;
	129
	130	strcpy (newname, name);
	131
	132	asect = bfd_make_section_anyway (abfd, newname);
	133	if (!asect)
	134	return NULL;
	135
	136	asect->flags = flags;
	137	asect->_raw_size = _raw_size;
	138	asect->vma = vma;
	139	asect->filepos = bfd_tell (abfd);
	140	asect->alignment_power = alignment_power;
	141
	142	return asect;
	143	}
	144
	145	static asymbol *
	146	hpux_core_make_empty_symbol (abfd)
	147	bfd *abfd;
	148	{
dc810e39 AM	149	asymbol *new;
	150
	151	new = (asymbol *) bfd_zalloc (abfd, (bfd_size_type) sizeof (asymbol));
252b5132 RH	152	if (new)
	153	new->the_bfd = abfd;
	154	return new;
	155	}
	156
252b5132 RH	157	/* this function builds a bfd target if the file is a corefile.
	158	It returns null or 0 if it finds out thaat it is not a core file.
	159	The way it checks this is by looking for allowed 'type' field values.
	160	These are declared in sys/core.h
	161	There are some values which are 'reserved for future use'. In particular
	162	CORE_NONE is actually defined as 0. This may be a catch-all for cases
	163	in which the core file is generated by some non-hpux application.
	164	(I am just guessing here!)
	165	*/
	166	static const bfd_target *
	167	hpux_core_core_file_p (abfd)
	168	bfd *abfd;
	169	{
	170	int good_sections = 0;
	171	int unknown_sections = 0;
	172
	173	core_hdr (abfd) = (struct hpux_core_struct *)
dc810e39	174	bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hpux_core_struct));
252b5132 RH	175	if (!core_hdr (abfd))
	176	return NULL;
	177
	178	while (1)
	179	{
	180	int val;
	181	struct corehead core_header;
	182
dc810e39 AM	183	val = bfd_bread ((void *) &core_header,
dc810e39 AM	184	(bfd_size_type) sizeof core_header, abfd);
252b5132 RH	185	if (val <= 0)
	186	break;
	187	switch (core_header.type)
	188	{
	189	case CORE_KERNEL:
	190	case CORE_FORMAT:
dc810e39 AM	191	/* Just skip this. */
dc810e39 AM	192	bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
252b5132 RH	193	good_sections++;
	194	break;
	195	case CORE_EXEC:
	196	{
	197	struct proc_exec proc_exec;
dc810e39 AM	198	if (bfd_bread ((void *) &proc_exec, (bfd_size_type) core_header.len,
dc810e39 AM	199	abfd) != core_header.len)
252b5132 RH	200	break;
	201	strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
	202	good_sections++;
	203	}
	204	break;
	205	case CORE_PROC:
	206	{
	207	struct proc_info proc_info;
	208	char secname[100]; /* Of arbitrary size, but plenty large. */
	209
	210	/* We need to read this section, 'cause we need to determine
	211	whether the core-dumped app was threaded before we create
	212	any .reg sections. */
dc810e39	213	if (bfd_bread (&proc_info, (bfd_size_type) core_header.len, abfd)
252b5132 RH	214	!= core_header.len)
	215	break;
	216
	217	/* However, we also want to create those sections with the
	218	file positioned at the start of the record, it seems. */
dc810e39	219	if (bfd_seek (abfd, (file_ptr) -core_header.len, SEEK_CUR) != 0)
252b5132 RH	220	break;
	221
	222	#if defined(PROC_INFO_HAS_THREAD_ID)
	223	core_kernel_thread_id (abfd) = proc_info.lwpid;
	224	core_user_thread_id (abfd) = proc_info.user_tid;
	225	#else
	226	core_kernel_thread_id (abfd) = 0;
	227	core_user_thread_id (abfd) = 0;
	228	#endif
	229	/* If the program was unthreaded, then we'll just create a
	230	.reg section.
	231
	232	If the program was threaded, then we'll create .reg/XXXXX
	233	section for each thread, where XXXXX is a printable
	234	representation of the kernel thread id. We'll also
	235	create a .reg section for the thread that was running
	236	and signalled at the time of the core-dump (i.e., this
	237	is effectively an alias, needed to keep GDB happy.)
	238
	239	Note that we use `.reg/XXXXX' as opposed to '.regXXXXX'
	240	because GDB expects that .reg2 will be the floating-
	241	point registers. */
	242	if (core_kernel_thread_id (abfd) == 0)
	243	{
	244	if (!make_bfd_asection (abfd, ".reg",
	245	SEC_HAS_CONTENTS,
	246	core_header.len,
	247	(int) &proc_info - (int) & proc_info.hw_regs,
	248	2))
9e7b37b3	249	goto fail;
252b5132 RH	250	}
	251	else
	252	{
	253	/* There are threads. Is this the one that caused the
	254	core-dump? We'll claim it was the running thread. */
	255	if (proc_info.sig != -1)
	256	{
	257	if (!make_bfd_asection (abfd, ".reg",
	258	SEC_HAS_CONTENTS,
	259	core_header.len,
	260	(int) &proc_info - (int) & proc_info.hw_regs,
	261	2))
9e7b37b3	262	goto fail;
252b5132 RH	263	}
	264	/* We always make one of these sections, for every thread. */
	265	sprintf (secname, ".reg/%d", core_kernel_thread_id (abfd));
	266	if (!make_bfd_asection (abfd, secname,
	267	SEC_HAS_CONTENTS,
	268	core_header.len,
	269	(int) &proc_info - (int) & proc_info.hw_regs,
	270	2))
9e7b37b3	271	goto fail;
252b5132 RH	272	}
252b5132 RH	273	core_signal (abfd) = proc_info.sig;
dc810e39	274	if (bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR) != 0)
252b5132 RH	275	break;
	276	good_sections++;
	277	}
	278	break;
	279
	280	case CORE_DATA:
	281	case CORE_STACK:
	282	case CORE_TEXT:
	283	case CORE_MMF:
	284	case CORE_SHM:
	285	case CORE_ANON_SHMEM:
	286	if (!make_bfd_asection (abfd, ".data",
	287	SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
	288	core_header.len, core_header.addr, 2))
9e7b37b3	289	goto fail;
252b5132	290
dc810e39	291	bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
252b5132 RH	292	good_sections++;
	293	break;
	294
	295	case CORE_NONE:
	296	/* Let's not punt if we encounter a section of unknown
	297	type. Rather, let's make a note of it. If we later
	298	see that there were also "good" sections, then we'll
	299	declare that this a core file, but we'll also warn that
	300	it may be incompatible with this gdb.
	301	*/
	302	unknown_sections++;
	303	break;
3fde5a36	304
9e7b37b3 AM	305	default:
9e7b37b3 AM	306	goto fail; /unrecognized core file type /
252b5132 RH	307	}
	308	}
	309
	310	/* OK, we believe you. You're a core file (sure, sure). */
	311
	312	/* Were there sections of unknown type? If so, yet there were
	313	at least some complete sections of known type, then, issue
	314	a warning. Possibly the core file was generated on a version
	315	of HP-UX that is incompatible with that for which this gdb was
	316	built.
	317	*/
	318	if ((unknown_sections > 0) && (good_sections > 0))
	319	(*_bfd_error_handler)
	320	("%s appears to be a core file,\nbut contains unknown sections. It may have been created on an incompatible\nversion of HP-UX. As a result, some information may be unavailable.\n",
	321	abfd->filename);
	322
	323	return abfd->xvec;
9e7b37b3 AM	324
	325	fail:
	326	bfd_release (abfd, core_hdr (abfd));
	327	core_hdr (abfd) = NULL;
	328	bfd_section_list_clear (abfd);
	329	return NULL;
252b5132 RH	330	}
	331
	332	static char *
	333	hpux_core_core_file_failing_command (abfd)
	334	bfd *abfd;
	335	{
	336	return core_command (abfd);
	337	}
	338
	339	/* ARGSUSED */
	340	static int
	341	hpux_core_core_file_failing_signal (abfd)
	342	bfd *abfd;
	343	{
	344	return core_signal (abfd);
	345	}
	346
	347	/* ARGSUSED */
	348	static boolean
	349	hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd)
dc810e39 AM	350	bfd *core_bfd ATTRIBUTE_UNUSED;
dc810e39 AM	351	bfd *exec_bfd ATTRIBUTE_UNUSED;
252b5132 RH	352	{
	353	return true; /* FIXME, We have no way of telling at this point */
	354	}
	355	\f
	356	#define hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
	357	#define hpux_core_get_symtab _bfd_nosymbols_get_symtab
	358	#define hpux_core_print_symbol _bfd_nosymbols_print_symbol
	359	#define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info
	360	#define hpux_core_bfd_is_local_label_name \
	361	_bfd_nosymbols_bfd_is_local_label_name
	362	#define hpux_core_get_lineno _bfd_nosymbols_get_lineno
	363	#define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line
	364	#define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
	365	#define hpux_core_read_minisymbols _bfd_nosymbols_read_minisymbols
	366	#define hpux_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol
	367
	368	/* If somebody calls any byte-swapping routines, shoot them. */
	369	static void
dc810e39	370	swap_abort ()
252b5132 RH	371	{
	372	abort(); /* This way doesn't require any declaration for ANSI to fuck up */
	373	}
	374	#define NO_GET ((bfd_vma () PARAMS (( const bfd_byte ))) swap_abort )
	375	#define NO_PUT ((void () PARAMS ((bfd_vma, bfd_byte ))) swap_abort )
	376	#define NO_SIGNED_GET \
	377	((bfd_signed_vma () PARAMS ((const bfd_byte ))) swap_abort )
	378
	379	const bfd_target hpux_core_vec =
	380	{
	381	"hpux-core",
	382	bfd_target_unknown_flavour,
	383	BFD_ENDIAN_BIG, /* target byte order */
	384	BFD_ENDIAN_BIG, /* target headers byte order */
	385	(HAS_RELOC \| EXEC_P \| /* object flags */
	386	HAS_LINENO \| HAS_DEBUG \|
	387	HAS_SYMS \| HAS_LOCALS \| WP_TEXT \| D_PAGED),
	388	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* section flags */
	389	0, /* symbol prefix */
	390	' ', /* ar_pad_char */
	391	16, /* ar_max_namelen */
	392	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
	393	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
	394	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
	395	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
	396	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
	397	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
	398
	399	{ /* bfd_check_format */
	400	_bfd_dummy_target, /* unknown format */
	401	_bfd_dummy_target, /* object file */
	402	_bfd_dummy_target, /* archive */
	403	hpux_core_core_file_p /* a core file */
	404	},
	405	{ /* bfd_set_format */
	406	bfd_false, bfd_false,
	407	bfd_false, bfd_false
	408	},
	409	{ /* bfd_write_contents */
	410	bfd_false, bfd_false,
	411	bfd_false, bfd_false
	412	},
3fde5a36	413
252b5132 RH	414	BFD_JUMP_TABLE_GENERIC (_bfd_generic),
	415	BFD_JUMP_TABLE_COPY (_bfd_generic),
	416	BFD_JUMP_TABLE_CORE (hpux_core),
	417	BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
	418	BFD_JUMP_TABLE_SYMBOLS (hpux_core),
	419	BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
	420	BFD_JUMP_TABLE_WRITE (_bfd_generic),
	421	BFD_JUMP_TABLE_LINK (_bfd_nolink),
	422	BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
	423
c3c89269	424	NULL,
3fde5a36	425
252b5132 RH	426	(PTR) 0 /* backend_data */
252b5132 RH	427	};