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

/* BFD back-end for HP/UX core files.
   Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* This file can only be compiled on systems which use HP/UX style
   core files.  In the config/XXXXXX.mh file for such a system add
      HDEFINES=-DHPUX_CORE
      HDEPFILES=hpux-core.o
   */

#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 <stdio.h>
#include <sys/types.h>
#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>
#include <errno.h>

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

struct hpux_core_struct 
{
  int sig;
  char cmd[MAXCOMLEN + 1];
  asection *data_section;
  asection *stack_section;
  asection *reg_section;
};

#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_datasec(bfd) (core_hdr(bfd)->data_section)
#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
#define core_regsec(bfd) (core_hdr(bfd)->reg_section)

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;

  asect = bfd_make_section (abfd, name);
  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;
}

static bfd_target *
hpux_core_core_file_p (abfd)
     bfd *abfd;
{
  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 */
	  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);
	  }
	  break;
	case CORE_PROC:
	  {
	    struct proc_info proc_info;
	    core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
					       SEC_ALLOC + SEC_HAS_CONTENTS,
						    core_header.len,
				(int) &proc_info - (int) &proc_info.hw_regs,
						    2);
	    if (bfd_read (&proc_info, 1, core_header.len, abfd)
		!= core_header.len)
	      break;
	    core_signal (abfd) = proc_info.sig;
	  }
	  if (!core_regsec (abfd))
	    return NULL;
	  break;
	case CORE_DATA:
	  core_datasec (abfd) = make_bfd_asection (abfd, ".data",
				    SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
						   core_header.len,
						   core_header.addr,
						   2);
	  if (!core_datasec (abfd))
	    return NULL;
	  bfd_seek (abfd, core_header.len, SEEK_CUR);
	  break;
	case CORE_STACK:
	  core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
				    SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
						    core_header.len,
						    core_header.addr,
						    2);
	  if (!core_stacksec (abfd))
	    return NULL;
	  bfd_seek (abfd, core_header.len, SEEK_CUR);
	  break;
	default:
	  /* Falling into here is an error and should prevent this
	     target from matching.  That way systems which use hpux
	     cores along with other formats can still work.  */
	  return 0;
	}
    }

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

  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 _bfd_nosymbols_bfd_is_local_label
#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

/* If somebody calls any byte-swapping routines, shoot them.  */
void
swap_abort()
{
  abort(); /* This way doesn't require any declaration for ANSI to fuck up */
}
#define	NO_GET	((bfd_vma (*) PARAMS ((   const bfd_byte *))) swap_abort )
#define	NO_PUT	((void    (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
#define	NO_SIGNED_GET \
  ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )

bfd_target hpux_core_vec =
  {
    "hpux-core",
    bfd_target_unknown_flavour,
    true,			/* target byte order */
    true,			/* target headers byte order */
    (HAS_RELOC | EXEC_P |	/* object flags */
     HAS_LINENO | HAS_DEBUG |
     HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
    (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
    0,			                                   /* symbol prefix */
    ' ',						   /* ar_pad_char */
    16,							   /* ar_max_namelen */
    3,							   /* minimum alignment power */
    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 64 bit data */
    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 32 bit data */
    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 16 bit data */
    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 64 bit hdrs */
    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 32 bit hdrs */
    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 16 bit hdrs */

    {				/* bfd_check_format */
     _bfd_dummy_target,		/* unknown format */
     _bfd_dummy_target,		/* object file */
     _bfd_dummy_target,		/* archive */
     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),

    (PTR) 0			/* backend_data */
};
Commit	Line	Data
4c3721d5 ILT	1	/* BFD back-end for HP/UX core files.
	2	Copyright 1993 Free Software Foundation, Inc.
	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
	20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	21
	22	/* This file can only be compiled on systems which use HP/UX style
	23	core files. In the config/XXXXXX.mh file for such a system add
	24	HDEFINES=-DHPUX_CORE
	25	HDEPFILES=hpux-core.o
	26	*/
	27
	28	#include "bfd.h"
	29	#include "sysdep.h"
	30	#include "libbfd.h"
	31
	32	#if defined (HOST_HPPAHPUX) \|\| defined (HOST_HP300HPUX)
	33
	34	/* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version
	35	5, 6, and 7 core files seem to be standard trad-core.c type core
	36	files; can we just use trad-core.c in addition to this file? */
	37
	38	#include <sys/core.h>
	39	#include <sys/utsname.h>
	40
	41	#endif /* HOST_HPPAHPUX */
	42
	43	#ifdef HOST_HPPABSD
	44
	45	/* Not a very swift place to put it, but that's where the BSD port
	46	puts them. */
	47	#include "/hpux/usr/include/sys/core.h"
	48
	49	#endif /* HOST_HPPABSD */
	50
	51	#include <stdio.h>
	52	#include <sys/types.h>
	53	#include <sys/param.h>
	54	#include <sys/dir.h>
	55	#include <signal.h>
	56	#include <machine/reg.h>
	57	#include <sys/user.h> /* After a.out.h */
	58	#include <sys/file.h>
	59	#include <errno.h>
	60
	61	/* These are stored in the bfd's tdata */
	62
	63	struct hpux_core_struct
	64	{
65	int sig;
66	char cmd[MAXCOMLEN + 1];
67	asection *data_section;
68	asection *stack_section;
69	asection *reg_section;
70	};
71
72	#define core_hdr(bfd) ((bfd)->tdata.hpux_core_data)
73	#define core_signal(bfd) (core_hdr(bfd)->sig)
74	#define core_command(bfd) (core_hdr(bfd)->cmd)
75	#define core_datasec(bfd) (core_hdr(bfd)->data_section)
76	#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
77	#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
78
79	static asection *
80	make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
81	bfd *abfd;
82	CONST char *name;
83	flagword flags;
84	bfd_size_type _raw_size;
85	bfd_vma vma;
86	unsigned int alignment_power;
87	{
88	asection *asect;
89
90	asect = bfd_make_section (abfd, name);
91	if (!asect)
92	return NULL;
93
94	asect->flags = flags;
95	asect->_raw_size = _raw_size;
96	asect->vma = vma;
97	asect->filepos = bfd_tell (abfd);
98	asect->alignment_power = alignment_power;
99
100	return asect;
101	}
102
103	static asymbol *
104	hpux_core_make_empty_symbol (abfd)
105	bfd *abfd;
106	{
107	asymbol new = (asymbol ) bfd_zalloc (abfd, sizeof (asymbol));
326e32d7 ILT	108	if (new)
326e32d7 ILT	109	new->the_bfd = abfd;
4c3721d5 ILT	110	return new;
	111	}
	112
	113	static bfd_target *
	114	hpux_core_core_file_p (abfd)
	115	bfd *abfd;
	116	{
	117	core_hdr (abfd) = (struct hpux_core_struct *)
	118	bfd_zalloc (abfd, sizeof (struct hpux_core_struct));
	119	if (!core_hdr (abfd))
	120	return NULL;
	121
	122	while (1)
	123	{
	124	int val;
	125	struct corehead core_header;
	126
	127	val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd);
	128	if (val <= 0)
	129	break;
	130	switch (core_header.type)
	131	{
	132	case CORE_KERNEL:
	133	case CORE_FORMAT:
	134	bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */
	135	break;
	136	case CORE_EXEC:
	137	{
	138	struct proc_exec proc_exec;
4002f18a ILT	139	if (bfd_read ((void *) &proc_exec, 1, core_header.len, abfd)
	140	!= core_header.len)
	141	break;
4c3721d5 ILT	142	strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
	143	}
	144	break;
	145	case CORE_PROC:
	146	{
	147	struct proc_info proc_info;
	148	core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
	149	SEC_ALLOC + SEC_HAS_CONTENTS,
	150	core_header.len,
	151	(int) &proc_info - (int) &proc_info.hw_regs,
	152	2);
4002f18a ILT	153	if (bfd_read (&proc_info, 1, core_header.len, abfd)
	154	!= core_header.len)
	155	break;
4c3721d5 ILT	156	core_signal (abfd) = proc_info.sig;
	157	}
	158	if (!core_regsec (abfd))
	159	return NULL;
	160	break;
	161	case CORE_DATA:
	162	core_datasec (abfd) = make_bfd_asection (abfd, ".data",
	163	SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
	164	core_header.len,
	165	core_header.addr,
	166	2);
	167	if (!core_datasec (abfd))
	168	return NULL;
	169	bfd_seek (abfd, core_header.len, SEEK_CUR);
	170	break;
	171	case CORE_STACK:
	172	core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
	173	SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
	174	core_header.len,
	175	core_header.addr,
	176	2);
	177	if (!core_stacksec (abfd))
	178	return NULL;
	179	bfd_seek (abfd, core_header.len, SEEK_CUR);
	180	break;
	181	default:
	182	/* Falling into here is an error and should prevent this
	183	target from matching. That way systems which use hpux
	184	cores along with other formats can still work. */
	185	return 0;
	186	}
	187	}
	188
	189	/* OK, we believe you. You're a core file (sure, sure). */
	190
	191	return abfd->xvec;
	192	}
	193
	194	static char *
	195	hpux_core_core_file_failing_command (abfd)
	196	bfd *abfd;
	197	{
	198	return core_command (abfd);
	199	}
	200
	201	/* ARGSUSED */
	202	static int
	203	hpux_core_core_file_failing_signal (abfd)
	204	bfd *abfd;
	205	{
	206	return core_signal (abfd);
	207	}
	208
	209	/* ARGSUSED */
	210	static boolean
	211	hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd)
	212	bfd core_bfd, exec_bfd;
	213	{
	214	return true; /* FIXME, We have no way of telling at this point */
	215	}
	216	\f
6812b607 ILT	217	#define hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
	218	#define hpux_core_get_symtab _bfd_nosymbols_get_symtab
	219	#define hpux_core_print_symbol _bfd_nosymbols_print_symbol
	220	#define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info
	221	#define hpux_core_bfd_is_local_label _bfd_nosymbols_bfd_is_local_label
	222	#define hpux_core_get_lineno _bfd_nosymbols_get_lineno
	223	#define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line
	224	#define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
4c3721d5 ILT	225
	226	/* If somebody calls any byte-swapping routines, shoot them. */
	227	void
	228	swap_abort()
	229	{
	230	abort(); /* This way doesn't require any declaration for ANSI to fuck up */
	231	}
326e32d7	232	#define NO_GET ((bfd_vma () PARAMS (( const bfd_byte ))) swap_abort )
4c3721d5	233	#define NO_PUT ((void () PARAMS ((bfd_vma, bfd_byte ))) swap_abort )
326e32d7 ILT	234	#define NO_SIGNED_GET \
326e32d7 ILT	235	((bfd_signed_vma () PARAMS ((const bfd_byte ))) swap_abort )
4c3721d5 ILT	236
	237	bfd_target hpux_core_vec =
	238	{
	239	"hpux-core",
	240	bfd_target_unknown_flavour,
	241	true, /* target byte order */
	242	true, /* target headers byte order */
	243	(HAS_RELOC \| EXEC_P \| /* object flags */
	244	HAS_LINENO \| HAS_DEBUG \|
	245	HAS_SYMS \| HAS_LOCALS \| WP_TEXT \| D_PAGED),
	246	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* section flags */
	247	0, /* symbol prefix */
	248	' ', /* ar_pad_char */
	249	16, /* ar_max_namelen */
	250	3, /* minimum alignment power */
	251	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
	252	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
	253	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
	254	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
	255	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
	256	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
	257
	258	{ /* bfd_check_format */
	259	_bfd_dummy_target, /* unknown format */
	260	_bfd_dummy_target, /* object file */
	261	_bfd_dummy_target, /* archive */
	262	hpux_core_core_file_p /* a core file */
	263	},
	264	{ /* bfd_set_format */
	265	bfd_false, bfd_false,
	266	bfd_false, bfd_false
	267	},
	268	{ /* bfd_write_contents */
	269	bfd_false, bfd_false,
	270	bfd_false, bfd_false
	271	},
	272
6812b607 ILT	273	BFD_JUMP_TABLE_GENERIC (_bfd_generic),
	274	BFD_JUMP_TABLE_COPY (_bfd_generic),
	275	BFD_JUMP_TABLE_CORE (hpux_core),
	276	BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
	277	BFD_JUMP_TABLE_SYMBOLS (hpux_core),
	278	BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
	279	BFD_JUMP_TABLE_WRITE (_bfd_generic),
	280	BFD_JUMP_TABLE_LINK (_bfd_nolink),
	281
4c3721d5 ILT	282	(PTR) 0 /* backend_data */
4c3721d5 ILT	283	};