#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
(bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr);
#ifdef CORE_MAGIC64
static int
do_sections64 (bfd *abfd, struct coreout *coreout)
{
struct vmap64 vmap;
char *secname;
int i, val;
for (i = 0; i < coreout->c_nvmap; i++)
{
val = bfd_bread ((PTR) &vmap, (bfd_size_type) 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 (vmap.v_offset == 0)
continue;
if (!make_bfd_asection (abfd, secname,
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
vmap.v_len, vmap.v_vaddr, vmap.v_offset))
return 0;
}
return 1;
}
#endif
static int
do_sections (bfd *abfd, struct coreout *coreout)
{
struct vmap vmap;
char *secname;
int i, val;
for (i = 0; i < coreout->c_nvmap; i++)
{
val = bfd_bread ((PTR) &vmap, (bfd_size_type) 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 (vmap.v_offset == 0)
continue;
if (!make_bfd_asection (abfd, secname,
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
vmap.v_len, vmap.v_vaddr, vmap.v_offset))
return 0;
}
return 1;
}
static asection *
make_bfd_asection (bfd *abfd,
const char *name,
flagword flags,
bfd_size_type size,
bfd_vma vma,
file_ptr filepos)
{
asection *asect;
asect = bfd_make_section_anyway (abfd, name);
if (!asect)
return NULL;
asect->flags = flags;
asect->size = size;
asect->vma = vma;
asect->filepos = filepos;
asect->alignment_power = 4;
return asect;
}
static const bfd_target *
irix_core_core_file_p (bfd *abfd)
{
int val;
struct coreout coreout;
struct idesc *idg, *idf, *ids;
bfd_size_type amt;
val = bfd_bread ((PTR) &coreout, (bfd_size_type) sizeof coreout, abfd);
if (val != sizeof coreout)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return 0;
}
if (coreout.c_version != CORE_VERSION1)
return 0;
switch (coreout.c_magic)
{
case CORE_MAGIC: break;
#ifdef CORE_MAGIC64
case CORE_MAGIC64: break;
#endif
#ifdef CORE_MAGICN32
case CORE_MAGICN32: break;
#endif
default: return 0;
}
amt = sizeof (struct sgi_core_struct);
core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, amt);
if (!core_hdr (abfd))
return NULL;
strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE);
core_signal (abfd) = coreout.c_sigcause;
if (bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET) != 0)
goto fail;
#ifdef CORE_MAGIC64
if (coreout.c_magic == (int) CORE_MAGIC64)
{
if (! do_sections64 (abfd, & coreout))
goto fail;
}
else
#endif
if (! do_sections (abfd, & coreout))
goto fail;
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)
goto fail;
if (bfd_seek (abfd, idg->i_offset, SEEK_SET) != 0)
goto fail;
if (!make_bfd_asection (abfd, ".reg",
SEC_HAS_CONTENTS,
idg->i_len + idf->i_len + ids->i_len,
0,
idg->i_offset))
goto fail;
bfd_default_set_arch_mach (abfd, bfd_arch_mips, 0);
return abfd->xvec;
fail:
bfd_release (abfd, core_hdr (abfd));
core_hdr (abfd) = NULL;
bfd_section_list_clear (abfd);
return NULL;
}
static char *
irix_core_core_file_failing_command (bfd *abfd)
{
return core_command (abfd);
}
static int
irix_core_core_file_failing_signal (bfd *abfd)
{
return core_signal (abfd);
}
static bfd_boolean
irix_core_core_file_matches_executable_p (bfd *core_bfd ATTRIBUTE_UNUSED,
bfd *exec_bfd ATTRIBUTE_UNUSED)
{
return TRUE;
}
static void
swap_abort(void)
{
abort();
}
#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
const bfd_target irix_core_vec =
{
"irix-core",
bfd_target_unknown_flavour,
BFD_ENDIAN_BIG,
BFD_ENDIAN_BIG,
(HAS_RELOC | EXEC_P |
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
0,
' ',
16,
NO_GET64, NO_GETS64, NO_PUT64,
NO_GET, NO_GETS, NO_PUT,
NO_GET, NO_GETS, NO_PUT,
NO_GET64, NO_GETS64, NO_PUT64,
NO_GET, NO_GETS, NO_PUT,
NO_GET, NO_GETS, NO_PUT,
{
_bfd_dummy_target,
_bfd_dummy_target,
_bfd_dummy_target,
irix_core_core_file_p
},
{
bfd_false, bfd_false,
bfd_false, bfd_false
},
{
bfd_false, bfd_false,
bfd_false, bfd_false
},
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
BFD_JUMP_TABLE_COPY (_bfd_generic),
BFD_JUMP_TABLE_CORE (irix_core),
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
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
};
#endif