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

/* BFD back-end for Irix 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 Irix style core
   files (namely, Irix 4 and Irix 5, so far).  In the config/XXXXXX.mh
   file for such a system add
      HDEFINES=-DIRIX_CORE
      HDEPFILES=irix-core.o
   */

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

#ifdef IRIX_CORE

#include <core.out.h>

struct sgi_core_struct 
{
  int sig;
  char cmd[CORE_NAMESIZE];
};

#define core_hdr(bfd) ((bfd)->tdata.sgi_core_data)
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)

static asection *
make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
     bfd *abfd;
     CONST char *name;
     flagword flags;
     bfd_size_type _raw_size;
     bfd_vma vma;
     file_ptr filepos;
{
  asection *asect;

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

  asect->flags = flags;
  asect->_raw_size = _raw_size;
  asect->vma = vma;
  asect->filepos = filepos;
  asect->alignment_power = 4;

  return asect;
}

static bfd_target *
irix_core_core_file_p (abfd)
     bfd *abfd;
{
  int val;
  int i;
  char *secname;
  struct coreout coreout;
  struct idesc *idg, *idf, *ids;

  val = bfd_read ((PTR)&coreout, 1, sizeof coreout, abfd);
  if (val != sizeof coreout)
    return 0;

  if (coreout.c_magic != CORE_MAGIC
      || coreout.c_version != CORE_VERSION1)
    return 0;

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

  strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE);
  core_signal (abfd) = coreout.c_sigcause;

  bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET);

  for (i = 0; i < coreout.c_nvmap; i++)
    {
      struct vmap vmap;

      val = bfd_read ((PTR)&vmap, 1, sizeof vmap, abfd);
      if (val != sizeof vmap)
	break;

      switch (vmap.v_type)
	{
	case VDATA:
	  secname = ".data";
	  break;
	case VSTACK:
	  secname = ".stack";
	  break;
#ifdef VMAPFILE
	case VMAPFILE:
	  secname = ".mapfile";
	  break;
#endif
	default:
	  continue;
	}

      if (!make_bfd_asection (abfd, secname,
			      SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
			      vmap.v_len,
			      vmap.v_vaddr,
			      vmap.v_offset,
			      2))
	return NULL;
    }

  /* Make sure that the regs are contiguous within the core file. */

  idg = &coreout.c_idesc[I_GPREGS];
  idf = &coreout.c_idesc[I_FPREGS];
  ids = &coreout.c_idesc[I_SPECREGS];

  if (idg->i_offset + idg->i_len != idf->i_offset
      || idf->i_offset + idf->i_len != ids->i_offset)
    return 0;			/* Can't deal with non-contig regs */

  bfd_seek (abfd, idg->i_offset, SEEK_SET);

  make_bfd_asection (abfd, ".reg",
		     SEC_ALLOC+SEC_HAS_CONTENTS,
		     idg->i_len + idf->i_len + ids->i_len,
		     0,
		     idg->i_offset);

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

  return abfd->xvec;
}

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

static int
irix_core_core_file_failing_signal (abfd)
     bfd *abfd;
{
  return core_signal (abfd);
}

static boolean
irix_core_core_file_matches_executable_p (core_bfd, exec_bfd)
     bfd *core_bfd, *exec_bfd;
{
  return true;			/* XXX - FIXME */
}

static asymbol *
irix_core_make_empty_symbol (abfd)
     bfd *abfd;
{
  asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
  new->the_bfd = abfd;
  return new;
}

#define	irix_core_openr_next_archived_file	bfd_generic_openr_next_archived_file
#define	irix_core_generic_stat_arch_elt		bfd_generic_stat_arch_elt
#define	irix_core_slurp_armap			bfd_false
#define	irix_core_slurp_extended_name_table	bfd_true
#define	irix_core_write_armap			(boolean (*) PARAMS	\
    ((bfd *arch, unsigned int elength, struct orl *map, \
      unsigned int orl_count, int stridx))) bfd_false
#define	irix_core_truncate_arname		bfd_dont_truncate_arname

#define	irix_core_close_and_cleanup		bfd_generic_close_and_cleanup
#define	irix_core_set_section_contents		(boolean (*) PARAMS	\
        ((bfd *abfd, asection *section, PTR data, file_ptr offset,	\
        bfd_size_type count))) bfd_false
#define	irix_core_get_section_contents		bfd_generic_get_section_contents
#define	irix_core_new_section_hook		(boolean (*) PARAMS	\
	((bfd *, sec_ptr))) bfd_true
#define	irix_core_get_symtab_upper_bound	bfd_0u
#define	irix_core_get_symtab			(unsigned int (*) PARAMS \
        ((bfd *, struct symbol_cache_entry **))) bfd_0u
#define	irix_core_get_reloc_upper_bound		(unsigned int (*) PARAMS \
	((bfd *, sec_ptr))) bfd_0u
#define	irix_core_canonicalize_reloc		(unsigned int (*) PARAMS \
	((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
#define	irix_core_print_symbol			(void (*) PARAMS	\
	((bfd *, PTR, struct symbol_cache_entry  *,			\
	bfd_print_symbol_type))) bfd_false
#define	irix_core_get_symbol_info		(void (*) PARAMS	\
	((bfd *, struct symbol_cache_entry  *,			\
	symbol_info *))) bfd_false
#define	irix_core_get_lineno			(alent * (*) PARAMS	\
	((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
#define	irix_core_set_arch_mach			(boolean (*) PARAMS	\
	((bfd *, enum bfd_architecture, unsigned long))) bfd_false
#define	irix_core_find_nearest_line		(boolean (*) PARAMS	\
        ((bfd *abfd, struct sec  *section,				\
         struct symbol_cache_entry  **symbols,bfd_vma offset,		\
         CONST char **file, CONST char **func, unsigned int *line))) bfd_false
#define	irix_core_sizeof_headers		(int (*) PARAMS	\
	((bfd *, boolean))) bfd_0

#define irix_core_bfd_debug_info_start		bfd_void
#define irix_core_bfd_debug_info_end		bfd_void
#define irix_core_bfd_debug_info_accumulate	(void (*) PARAMS	\
	((bfd *, struct sec *))) bfd_void
#define irix_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define irix_core_bfd_relax_section		bfd_generic_relax_section
#define irix_core_bfd_reloc_type_lookup \
  ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
#define irix_core_bfd_make_debug_symbol \
  ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
#define irix_core_bfd_link_hash_table_create \
  ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
#define irix_core_bfd_link_add_symbols \
  ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
#define irix_core_bfd_final_link \
  ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)

/* 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 ((         bfd_byte *))) swap_abort )
#define	NO_PUT	((void    (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
#define	NO_SIGNED_GET ((bfd_signed_vma (*) PARAMS ((bfd_byte *))) swap_abort )

bfd_target irix_core_vec =
  {
    "irix-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 */
     irix_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
    },
    
    JUMP_TABLE(irix_core),
    (PTR) 0			/* backend_data */
};

#endif /* IRIX_CORE */
Commit	Line	Data
4c3721d5 ILT	1	/* BFD back-end for Irix 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 Irix style core
	23	files (namely, Irix 4 and Irix 5, so far). In the config/XXXXXX.mh
	24	file for such a system add
	25	HDEFINES=-DIRIX_CORE
	26	HDEPFILES=irix-core.o
	27	*/
	28
	29	#include "bfd.h"
	30	#include "sysdep.h"
	31	#include "libbfd.h"
	32
	33	#ifdef IRIX_CORE
	34
	35	#include <core.out.h>
	36
	37	struct sgi_core_struct
	38	{
	39	int sig;
	40	char cmd[CORE_NAMESIZE];
	41	};
	42
	43	#define core_hdr(bfd) ((bfd)->tdata.sgi_core_data)
	44	#define core_signal(bfd) (core_hdr(bfd)->sig)
	45	#define core_command(bfd) (core_hdr(bfd)->cmd)
	46
	47	static asection *
	48	make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
	49	bfd *abfd;
	50	CONST char *name;
	51	flagword flags;
	52	bfd_size_type _raw_size;
	53	bfd_vma vma;
	54	file_ptr filepos;
	55	{
	56	asection *asect;
	57
	58	asect = bfd_make_section_anyway (abfd, name);
	59	if (!asect)
	60	return NULL;
	61
	62	asect->flags = flags;
	63	asect->_raw_size = _raw_size;
	64	asect->vma = vma;
65	asect->filepos = filepos;
66	asect->alignment_power = 4;
67
68	return asect;
69	}
70
71	static bfd_target *
72	irix_core_core_file_p (abfd)
73	bfd *abfd;
74	{
75	int val;
76	int i;
77	char *secname;
78	struct coreout coreout;
79	struct idesc idg, idf, *ids;
80
81	val = bfd_read ((PTR)&coreout, 1, sizeof coreout, abfd);
82	if (val != sizeof coreout)
83	return 0;
84
85	if (coreout.c_magic != CORE_MAGIC
86	\|\| coreout.c_version != CORE_VERSION1)
87	return 0;
88
89	core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, sizeof (struct sgi_core_struct));
90	if (!core_hdr (abfd))
91	return NULL;
92
93	strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE);
94	core_signal (abfd) = coreout.c_sigcause;
95
96	bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET);
97
98	for (i = 0; i < coreout.c_nvmap; i++)
99	{
100	struct vmap vmap;
101
102	val = bfd_read ((PTR)&vmap, 1, sizeof vmap, abfd);
103	if (val != sizeof vmap)
104	break;
105
106	switch (vmap.v_type)
107	{
108	case VDATA:
109	secname = ".data";
110	break;
111	case VSTACK:
112	secname = ".stack";
113	break;
114	#ifdef VMAPFILE
115	case VMAPFILE:
116	secname = ".mapfile";
117	break;
118	#endif
119	default:
120	continue;
121	}
122
123	if (!make_bfd_asection (abfd, secname,
124	SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
125	vmap.v_len,
126	vmap.v_vaddr,
127	vmap.v_offset,
128	2))
129	return NULL;
130	}
131
132	/* Make sure that the regs are contiguous within the core file. */
133
134	idg = &coreout.c_idesc[I_GPREGS];
135	idf = &coreout.c_idesc[I_FPREGS];
136	ids = &coreout.c_idesc[I_SPECREGS];
137
138	if (idg->i_offset + idg->i_len != idf->i_offset
139	\|\| idf->i_offset + idf->i_len != ids->i_offset)
140	return 0; /* Can't deal with non-contig regs */
141
142	bfd_seek (abfd, idg->i_offset, SEEK_SET);
143
144	make_bfd_asection (abfd, ".reg",
145	SEC_ALLOC+SEC_HAS_CONTENTS,
146	idg->i_len + idf->i_len + ids->i_len,
147	0,
148	idg->i_offset);
149
150	/* OK, we believe you. You're a core file (sure, sure). */
151
152	return abfd->xvec;
153	}
154
155	static char *
156	irix_core_core_file_failing_command (abfd)
157	bfd *abfd;
158	{
159	return core_command (abfd);
160	}
161
162	static int
163	irix_core_core_file_failing_signal (abfd)
164	bfd *abfd;
165	{
166	return core_signal (abfd);
167	}
168
169	static boolean
170	irix_core_core_file_matches_executable_p (core_bfd, exec_bfd)
171	bfd core_bfd, exec_bfd;
172	{
173	return true; /* XXX - FIXME */
174	}
175
176	static asymbol *
177	irix_core_make_empty_symbol (abfd)
178	bfd *abfd;
179	{
180	asymbol new = (asymbol ) bfd_zalloc (abfd, sizeof (asymbol));
181	new->the_bfd = abfd;
182	return new;
183	}
184
185	#define irix_core_openr_next_archived_file bfd_generic_openr_next_archived_file
186	#define irix_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
187	#define irix_core_slurp_armap bfd_false
188	#define irix_core_slurp_extended_name_table bfd_true
189	#define irix_core_write_armap (boolean (*) PARAMS \
190	((bfd arch, unsigned int elength, struct orl map, \
191	unsigned int orl_count, int stridx))) bfd_false
192	#define irix_core_truncate_arname bfd_dont_truncate_arname
193
194	#define irix_core_close_and_cleanup bfd_generic_close_and_cleanup
195	#define irix_core_set_section_contents (boolean (*) PARAMS \
196	((bfd abfd, asection section, PTR data, file_ptr offset, \
197	bfd_size_type count))) bfd_false
198	#define irix_core_get_section_contents bfd_generic_get_section_contents
199	#define irix_core_new_section_hook (boolean (*) PARAMS \
200	((bfd *, sec_ptr))) bfd_true
201	#define irix_core_get_symtab_upper_bound bfd_0u
202	#define irix_core_get_symtab (unsigned int (*) PARAMS \
203	((bfd , struct symbol_cache_entry *))) bfd_0u
204	#define irix_core_get_reloc_upper_bound (unsigned int (*) PARAMS \
205	((bfd *, sec_ptr))) bfd_0u
206	#define irix_core_canonicalize_reloc (unsigned int (*) PARAMS \
207	((bfd , sec_ptr, arelent , struct symbol_cache_entry*))) bfd_0u
208	#define irix_core_print_symbol (void (*) PARAMS \
209	((bfd , PTR, struct symbol_cache_entry , \
210	bfd_print_symbol_type))) bfd_false
211	#define irix_core_get_symbol_info (void (*) PARAMS \
212	((bfd , struct symbol_cache_entry , \
213	symbol_info *))) bfd_false
214	#define irix_core_get_lineno (alent * (*) PARAMS \
215	((bfd , struct symbol_cache_entry ))) bfd_nullvoidptr
216	#define irix_core_set_arch_mach (boolean (*) PARAMS \
217	((bfd *, enum bfd_architecture, unsigned long))) bfd_false
218	#define irix_core_find_nearest_line (boolean (*) PARAMS \
219	((bfd abfd, struct sec section, \
220	struct symbol_cache_entry **symbols,bfd_vma offset, \
221	CONST char file, CONST char func, unsigned int *line))) bfd_false
222	#define irix_core_sizeof_headers (int (*) PARAMS \
223	((bfd *, boolean))) bfd_0
224
225	#define irix_core_bfd_debug_info_start bfd_void
226	#define irix_core_bfd_debug_info_end bfd_void
227	#define irix_core_bfd_debug_info_accumulate (void (*) PARAMS \
228	((bfd , struct sec ))) bfd_void
229	#define irix_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
230	#define irix_core_bfd_relax_section bfd_generic_relax_section
231	#define irix_core_bfd_reloc_type_lookup \
232	((CONST struct reloc_howto_struct () PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
233	#define irix_core_bfd_make_debug_symbol \
234	((asymbol () PARAMS ((bfd , void , unsigned long))) bfd_nullvoidptr)
235	#define irix_core_bfd_link_hash_table_create \
236	((struct bfd_link_hash_table () PARAMS ((bfd *))) bfd_nullvoidptr)
237	#define irix_core_bfd_link_add_symbols \
238	((boolean () PARAMS ((bfd , struct bfd_link_info *))) bfd_false)
239	#define irix_core_bfd_final_link \
240	((boolean () PARAMS ((bfd , struct bfd_link_info *))) bfd_false)
241
242	/* If somebody calls any byte-swapping routines, shoot them. */
243	void
244	swap_abort()
245	{
246	abort(); /* This way doesn't require any declaration for ANSI to fuck up */
247	}
248	#define NO_GET ((bfd_vma () PARAMS (( bfd_byte ))) swap_abort )
249	#define NO_PUT ((void () PARAMS ((bfd_vma, bfd_byte ))) swap_abort )
250	#define NO_SIGNED_GET ((bfd_signed_vma () PARAMS ((bfd_byte ))) swap_abort )
251
252	bfd_target irix_core_vec =
253	{
254	"irix-core",
255	bfd_target_unknown_flavour,
256	true, /* target byte order */
257	true, /* target headers byte order */
258	(HAS_RELOC \| EXEC_P \| /* object flags */
259	HAS_LINENO \| HAS_DEBUG \|
260	HAS_SYMS \| HAS_LOCALS \| WP_TEXT \| D_PAGED),
261	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* section flags */
262	0, /* symbol prefix */
263	' ', /* ar_pad_char */
264	16, /* ar_max_namelen */
265	3, /* minimum alignment power */
266	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
267	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
268	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
269	NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
270	NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
271	NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
272
273	{ /* bfd_check_format */
274	_bfd_dummy_target, /* unknown format */
275	_bfd_dummy_target, /* object file */
276	_bfd_dummy_target, /* archive */
277	irix_core_core_file_p /* a core file */
278	},
279	{ /* bfd_set_format */
280	bfd_false, bfd_false,
281	bfd_false, bfd_false
282	},
283	{ /* bfd_write_contents */
284	bfd_false, bfd_false,
285	bfd_false, bfd_false
286	},
287
288	JUMP_TABLE(irix_core),
289	(PTR) 0 /* backend_data */
290	};
291
292	#endif /* IRIX_CORE */