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

/* BFD back-end for HP/UX core files.
   Copyright 1993, 94, 95, 96, 97, 1998 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)

/* 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>
#include <sys/dir.h>
#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 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, 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 = (asymbol *) bfd_zalloc (abfd, 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, sizeof (struct hpux_core_struct));
  if (!core_hdr (abfd))
    return NULL;

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

      val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd);
      if (val <= 0)
	break;
      switch (core_header.type)
	{
	case CORE_KERNEL:
	case CORE_FORMAT:
	  bfd_seek (abfd, core_header.len, SEEK_CUR);	/* Just skip this */
          good_sections++;
	  break;
	case CORE_EXEC:
	  {
	    struct proc_exec proc_exec;
	    if (bfd_read ((void *) &proc_exec, 1, 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_read (&proc_info, 1, 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, -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))
                  return NULL;
              }
            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))
		      return NULL;
                  }
                /* 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))
                  return NULL;
              }
	    core_signal (abfd) = proc_info.sig;
            if (bfd_seek (abfd, 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))
	    return NULL;

	  bfd_seek (abfd, 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: return 0; /*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))
    warning ("%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;
}

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, *exec_bfd;
{
  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),

    (PTR) 0			/* backend_data */
};
Commit	Line	Data
4c3721d5	1	/* BFD back-end for HP/UX core files.
8ecd559a	2	Copyright 1993, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
4c3721d5 ILT	3	Written by Stu Grossman, Cygnus Support.
	4	Converted to back-end form by Ian Lance Taylor, Cygnus SUpport
	5
	6	This file is part of BFD, the Binary File Descriptor library.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
8ecd559a	20	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
4c3721d5 ILT	21
4c3721d5 ILT	22	/* This file can only be compiled on systems which use HP/UX style
8ecd559a	23	core files. */
4c3721d5 ILT	24
	25	#include "bfd.h"
	26	#include "sysdep.h"
	27	#include "libbfd.h"
	28
	29	#if defined (HOST_HPPAHPUX) \|\| defined (HOST_HP300HPUX)
	30
	31	/* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version
	32	5, 6, and 7 core files seem to be standard trad-core.c type core
	33	files; can we just use trad-core.c in addition to this file? */
	34
	35	#include <sys/core.h>
	36	#include <sys/utsname.h>
	37
	38	#endif /* HOST_HPPAHPUX */
	39
	40	#ifdef HOST_HPPABSD
	41
	42	/* Not a very swift place to put it, but that's where the BSD port
	43	puts them. */
	44	#include "/hpux/usr/include/sys/core.h"
	45
	46	#endif /* HOST_HPPABSD */
	47
4c3721d5 ILT	48	#include <sys/param.h>
	49	#include <sys/dir.h>
	50	#include <signal.h>
	51	#include <machine/reg.h>
	52	#include <sys/user.h> /* After a.out.h */
	53	#include <sys/file.h>
8ecd559a DT	54
	55	/* Kludge: There's no explicit mechanism provided by sys/core.h to
	56	conditionally know whether a proc_info has thread id fields.
	57	However, CORE_ANON_SHMEM shows up first at 10.30, which is
	58	happily also when meaningful thread id's show up in proc_info. */
	59	#if defined(CORE_ANON_SHMEM)
	60	#define PROC_INFO_HAS_THREAD_ID (1)
	61	#endif
	62
	63	/* This type appears at HP-UX 10.30. Defining it if not defined
	64	by sys/core.h allows us to build for older HP-UX's, and (since
	65	it won't be encountered in core-dumps from older HP-UX's) is
	66	harmless. */
	67	#if !defined(CORE_ANON_SHMEM)
	68	#define CORE_ANON_SHMEM 0x00000200 /* anonymous shared memory */
	69	#endif
4c3721d5 ILT	70
	71	/* These are stored in the bfd's tdata */
	72
8ecd559a DT	73	/* .lwpid and .user_tid are only valid if PROC_INFO_HAS_THREAD_ID, else they
	74	are set to 0. Also, until HP-UX implements MxN threads, .user_tid and
	75	.lwpid are synonymous. */
4c3721d5 ILT	76	struct hpux_core_struct
	77	{
	78	int sig;
8ecd559a DT	79	int lwpid; /* Kernel thread ID. */
8ecd559a DT	80	unsigned long user_tid; /* User thread ID. */
4c3721d5	81	char cmd[MAXCOMLEN + 1];
4c3721d5 ILT	82	};
	83
	84	#define core_hdr(bfd) ((bfd)->tdata.hpux_core_data)
	85	#define core_signal(bfd) (core_hdr(bfd)->sig)
	86	#define core_command(bfd) (core_hdr(bfd)->cmd)
8ecd559a DT	87	#define core_kernel_thread_id(bfd) (core_hdr(bfd)->lwpid)
	88	#define core_user_thread_id(bfd) (core_hdr(bfd)->user_tid)
	89
	90	static void swap_abort PARAMS ((void));
4c3721d5 ILT	91
	92	static asection *
	93	make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
	94	bfd *abfd;
	95	CONST char *name;
	96	flagword flags;
	97	bfd_size_type _raw_size;
	98	bfd_vma vma;
	99	unsigned int alignment_power;
	100	{
	101	asection *asect;
8ecd559a DT	102	char *newname;
	103
	104	newname = bfd_alloc (abfd, strlen (name) + 1);
	105	if (!newname)
	106	return NULL;
	107
	108	strcpy (newname, name);
4c3721d5	109
8ecd559a	110	asect = bfd_make_section_anyway (abfd, newname);
4c3721d5 ILT	111	if (!asect)
	112	return NULL;
	113
	114	asect->flags = flags;
	115	asect->_raw_size = _raw_size;
	116	asect->vma = vma;
	117	asect->filepos = bfd_tell (abfd);
	118	asect->alignment_power = alignment_power;
	119
	120	return asect;
	121	}
	122
	123	static asymbol *
	124	hpux_core_make_empty_symbol (abfd)
	125	bfd *abfd;
	126	{
	127	asymbol new = (asymbol ) bfd_zalloc (abfd, sizeof (asymbol));
326e32d7 ILT	128	if (new)
326e32d7 ILT	129	new->the_bfd = abfd;
4c3721d5 ILT	130	return new;
	131	}
	132
8ecd559a DT	133
	134	/* this function builds a bfd target if the file is a corefile.
	135	It returns null or 0 if it finds out thaat it is not a core file.
	136	The way it checks this is by looking for allowed 'type' field values.
	137	These are declared in sys/core.h
	138	There are some values which are 'reserved for future use'. In particular
	139	CORE_NONE is actually defined as 0. This may be a catch-all for cases
	140	in which the core file is generated by some non-hpux application.
	141	(I am just guessing here!)
	142	*/
	143	static const bfd_target *
4c3721d5 ILT	144	hpux_core_core_file_p (abfd)
	145	bfd *abfd;
	146	{
8ecd559a DT	147	int good_sections = 0;
	148	int unknown_sections = 0;
	149
4c3721d5 ILT	150	core_hdr (abfd) = (struct hpux_core_struct *)
	151	bfd_zalloc (abfd, sizeof (struct hpux_core_struct));
	152	if (!core_hdr (abfd))
	153	return NULL;
	154
	155	while (1)
	156	{
	157	int val;
	158	struct corehead core_header;
	159
	160	val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd);
	161	if (val <= 0)
	162	break;
	163	switch (core_header.type)
	164	{
	165	case CORE_KERNEL:
	166	case CORE_FORMAT:
	167	bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */
8ecd559a	168	good_sections++;
4c3721d5 ILT	169	break;
	170	case CORE_EXEC:
	171	{
	172	struct proc_exec proc_exec;
4002f18a ILT	173	if (bfd_read ((void *) &proc_exec, 1, core_header.len, abfd)
	174	!= core_header.len)
	175	break;
4c3721d5	176	strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
8ecd559a	177	good_sections++;
4c3721d5 ILT	178	}
	179	break;
	180	case CORE_PROC:
	181	{
	182	struct proc_info proc_info;
8ecd559a DT	183	char secname[100]; /* Of arbitrary size, but plenty large. */
	184
	185	/* We need to read this section, 'cause we need to determine
	186	whether the core-dumped app was threaded before we create
	187	any .reg sections. */
4002f18a ILT	188	if (bfd_read (&proc_info, 1, core_header.len, abfd)
	189	!= core_header.len)
	190	break;
8ecd559a DT	191
	192	/* However, we also want to create those sections with the
	193	file positioned at the start of the record, it seems. */
	194	if (bfd_seek (abfd, -core_header.len, SEEK_CUR) != 0)
	195	break;
	196
	197	#if defined(PROC_INFO_HAS_THREAD_ID)
	198	core_kernel_thread_id (abfd) = proc_info.lwpid;
	199	core_user_thread_id (abfd) = proc_info.user_tid;
	200	#else
	201	core_kernel_thread_id (abfd) = 0;
	202	core_user_thread_id (abfd) = 0;
	203	#endif
	204	/* If the program was unthreaded, then we'll just create a
	205	.reg section.
	206
	207	If the program was threaded, then we'll create .reg/XXXXX
	208	section for each thread, where XXXXX is a printable
	209	representation of the kernel thread id. We'll also
	210	create a .reg section for the thread that was running
	211	and signalled at the time of the core-dump (i.e., this
	212	is effectively an alias, needed to keep GDB happy.)
	213
	214	Note that we use `.reg/XXXXX' as opposed to '.regXXXXX'
	215	because GDB expects that .reg2 will be the floating-
	216	point registers. */
	217	if (core_kernel_thread_id (abfd) == 0)
	218	{
	219	if (!make_bfd_asection (abfd, ".reg",
	220	SEC_HAS_CONTENTS,
	221	core_header.len,
	222	(int) &proc_info - (int) & proc_info.hw_regs,
	223	2))
	224	return NULL;
	225	}
	226	else
	227	{
	228	/* There are threads. Is this the one that caused the
	229	core-dump? We'll claim it was the running thread. */
	230	if (proc_info.sig != -1)
	231	{
	232	if (!make_bfd_asection (abfd, ".reg",
	233	SEC_HAS_CONTENTS,
	234	core_header.len,
	235	(int) &proc_info - (int) & proc_info.hw_regs,
	236	2))
	237	return NULL;
	238	}
	239	/* We always make one of these sections, for every thread. */
	240	sprintf (secname, ".reg/%d", core_kernel_thread_id (abfd));
	241	if (!make_bfd_asection (abfd, secname,
	242	SEC_HAS_CONTENTS,
	243	core_header.len,
	244	(int) &proc_info - (int) & proc_info.hw_regs,
	245	2))
	246	return NULL;
	247	}
4c3721d5	248	core_signal (abfd) = proc_info.sig;
8ecd559a DT	249	if (bfd_seek (abfd, core_header.len, SEEK_CUR) != 0)
	250	break;
	251	good_sections++;
4c3721d5	252	}
4c3721d5	253	break;
8ecd559a	254
4c3721d5	255	case CORE_DATA:
4c3721d5	256	case CORE_STACK:
8ecd559a DT	257	case CORE_TEXT:
	258	case CORE_MMF:
	259	case CORE_SHM:
	260	case CORE_ANON_SHMEM:
	261	if (!make_bfd_asection (abfd, ".data",
	262	SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
	263	core_header.len, core_header.addr, 2))
4c3721d5	264	return NULL;
8ecd559a	265
4c3721d5	266	bfd_seek (abfd, core_header.len, SEEK_CUR);
8ecd559a	267	good_sections++;
4c3721d5	268	break;
8ecd559a DT	269
	270	case CORE_NONE:
	271	/* Let's not punt if we encounter a section of unknown
	272	type. Rather, let's make a note of it. If we later
	273	see that there were also "good" sections, then we'll
	274	declare that this a core file, but we'll also warn that
	275	it may be incompatible with this gdb.
	276	*/
	277	unknown_sections++;
	278	break;
	279
	280	default: return 0; /unrecognized core file type /
4c3721d5 ILT	281	}
	282	}
	283
	284	/* OK, we believe you. You're a core file (sure, sure). */
	285
8ecd559a DT	286	/* Were there sections of unknown type? If so, yet there were
	287	at least some complete sections of known type, then, issue
	288	a warning. Possibly the core file was generated on a version
	289	of HP-UX that is incompatible with that for which this gdb was
	290	built.
	291	*/
	292	if ((unknown_sections > 0) && (good_sections > 0))
	293	warning ("%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",
	294	abfd->filename);
	295
4c3721d5 ILT	296	return abfd->xvec;
	297	}
	298
	299	static char *
	300	hpux_core_core_file_failing_command (abfd)
	301	bfd *abfd;
	302	{
	303	return core_command (abfd);
	304	}
	305
	306	/* ARGSUSED */
	307	static int
	308	hpux_core_core_file_failing_signal (abfd)
	309	bfd *abfd;
	310	{
	311	return core_signal (abfd);
	312	}
	313
	314	/* ARGSUSED */
	315	static boolean
	316	hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd)
	317	bfd core_bfd, exec_bfd;
	318	{
	319	return true; /* FIXME, We have no way of telling at this point */
	320	}
	321	\f
6812b607 ILT	322	#define hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
	323	#define hpux_core_get_symtab _bfd_nosymbols_get_symtab
	324	#define hpux_core_print_symbol _bfd_nosymbols_print_symbol
	325	#define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info
8ecd559a DT	326	#define hpux_core_bfd_is_local_label_name \
8ecd559a DT	327	_bfd_nosymbols_bfd_is_local_label_name
6812b607 ILT	328	#define hpux_core_get_lineno _bfd_nosymbols_get_lineno
	329	#define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line
	330	#define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
8ecd559a DT	331	#define hpux_core_read_minisymbols _bfd_nosymbols_read_minisymbols
8ecd559a DT	332	#define hpux_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol
4c3721d5 ILT	333
4c3721d5 ILT	334	/* If somebody calls any byte-swapping routines, shoot them. */
8ecd559a	335	static void
4c3721d5 ILT	336	swap_abort()
	337	{
	338	abort(); /* This way doesn't require any declaration for ANSI to fuck up */
	339	}
326e32d7	340	#define NO_GET ((bfd_vma () PARAMS (( const bfd_byte ))) swap_abort )
4c3721d5	341	#define NO_PUT ((void () PARAMS ((bfd_vma, bfd_byte ))) swap_abort )
326e32d7 ILT	342	#define NO_SIGNED_GET \
326e32d7 ILT	343	((bfd_signed_vma () PARAMS ((const bfd_byte ))) swap_abort )
4c3721d5	344
8ecd559a	345	const bfd_target hpux_core_vec =
4c3721d5 ILT	346	{
	347	"hpux-core",
	348	bfd_target_unknown_flavour,
8ecd559a DT	349	BFD_ENDIAN_BIG, /* target byte order */
8ecd559a DT	350	BFD_ENDIAN_BIG, /* target headers byte order */
4c3721d5 ILT	351	(HAS_RELOC \| EXEC_P \| /* object flags */
	352	HAS_LINENO \| HAS_DEBUG \|
	353	HAS_SYMS \| HAS_LOCALS \| WP_TEXT \| D_PAGED),
	354	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* section flags */
	355	0, /* symbol prefix */
	356	' ', /* ar_pad_char */
	357	16, /* ar_max_namelen */
4c3721d5 ILT	358	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
	359	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
	360	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
	361	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
	362	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
	363	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
	364
	365	{ /* bfd_check_format */
	366	_bfd_dummy_target, /* unknown format */
	367	_bfd_dummy_target, /* object file */
	368	_bfd_dummy_target, /* archive */
	369	hpux_core_core_file_p /* a core file */
	370	},
	371	{ /* bfd_set_format */
	372	bfd_false, bfd_false,
	373	bfd_false, bfd_false
	374	},
	375	{ /* bfd_write_contents */
	376	bfd_false, bfd_false,
	377	bfd_false, bfd_false
	378	},
	379
6812b607 ILT	380	BFD_JUMP_TABLE_GENERIC (_bfd_generic),
	381	BFD_JUMP_TABLE_COPY (_bfd_generic),
	382	BFD_JUMP_TABLE_CORE (hpux_core),
	383	BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
	384	BFD_JUMP_TABLE_SYMBOLS (hpux_core),
	385	BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
	386	BFD_JUMP_TABLE_WRITE (_bfd_generic),
	387	BFD_JUMP_TABLE_LINK (_bfd_nolink),
8ecd559a	388	BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
6812b607	389
4c3721d5 ILT	390	(PTR) 0 /* backend_data */
4c3721d5 ILT	391	};