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;
/* Have we got a corefile? */
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; /* Un-identifiable or not corefile. */
}
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;
/* Process corefile sections. */
#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;
/* 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)
goto fail; /* Can't deal with non-contig regs */
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;
/* OK, we believe you. You're a core file (sure, sure). */
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 int
irix_core_core_file_failing_signal (bfd *abfd)
{
return core_signal (abfd);
}
const bfd_target *
lynx_core_file_p (bfd *abfd)
{
int secnum;
struct pssentry pss;
bfd_size_type tcontext_size;
core_st_t *threadp;
int pagesize;
asection *newsect;
bfd_size_type amt;
pagesize = getpagesize (); /* Serious cross-target issue here... This
really needs to come from a system-specific
header file. */
/* Get the pss entry from the core file */
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return NULL;
amt = sizeof pss;
if (bfd_bread ((void *) &pss, amt, abfd) != amt)
{
/* Too small to be a core file */
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
amt = sizeof (struct lynx_core_struct);
core_hdr (abfd) = (struct lynx_core_struct *) bfd_zalloc (abfd, amt);
if (!core_hdr (abfd))
return NULL;
strncpy (core_command (abfd), pss.pname, PNMLEN + 1);
/* Compute the size of the thread contexts */
tcontext_size = pss.threadcnt * sizeof (core_st_t);
/* Allocate space for the thread contexts */
threadp = (core_st_t *) bfd_alloc (abfd, tcontext_size);
if (!threadp)
goto fail;
/* Save thread contexts */
if (bfd_seek (abfd, (file_ptr) pagesize, SEEK_SET) != 0)
goto fail;
if (bfd_bread ((void *) threadp, tcontext_size, abfd) != tcontext_size)
{
/* Probably too small to be a core file */
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
goto fail;
}
core_signal (abfd) = threadp->currsig;
newsect = make_bfd_asection (abfd, ".stack",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
pss.ssize,
pss.slimit,
pagesize + tcontext_size);
if (!newsect)
goto fail;
newsect = make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
pss.data_len + pss.bss_len,
pss.data_start,
pagesize + tcontext_size + pss.ssize
#if defined (SPARC) || defined (__SPARC__)
/* SPARC Lynx seems to start dumping
the .data section at a page
boundary. It's OK to check a
#define like SPARC here because this
file can only be compiled on a Lynx
host. */
+ pss.data_start % pagesize
#endif
);
if (!newsect)
goto fail;
/* And, now for the .reg/XXX pseudo sections. Each thread has it's own
.reg/XXX section, where XXX is the thread id (without leading zeros). The
currently running thread (at the time of the core dump) also has an alias
called `.reg' (just to keep GDB happy). Note that we use `.reg/XXX' as
opposed to `.regXXX' because GDB expects that .reg2 will be the floating-
point registers. */
newsect = make_bfd_asection (abfd, ".reg",
SEC_HAS_CONTENTS,
sizeof (core_st_t),
0,
pagesize);
if (!newsect)
goto fail;
for (secnum = 0; secnum < pss.threadcnt; secnum++)
{
char secname[100];
sprintf (secname, ".reg/%d", BUILDPID (0, threadp[secnum].tid));
newsect = make_bfd_asection (abfd, secname,
SEC_HAS_CONTENTS,
sizeof (core_st_t),
0,
pagesize + secnum * sizeof (core_st_t));
if (!newsect)
goto fail;
}
return abfd->xvec;
fail:
bfd_release (abfd, core_hdr (abfd));
core_hdr (abfd) = NULL;
bfd_section_list_clear (abfd);
return NULL;
}
int
lynx_core_file_failing_signal (bfd *abfd)
{
return core_signal (abfd);
}
static const bfd_target *
hppabsd_core_core_file_p (bfd *abfd)
{
int val;
struct user u;
struct hppabsd_core_struct *coredata;
int clicksz;
/* Try to read in the u-area. We will need information from this
to know how to grok the rest of the core structures. */
val = bfd_bread ((void *) &u, (bfd_size_type) sizeof u, abfd);
if (val != sizeof u)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
/* Get the page size out of the u structure. This will be different
for PA 1.0 machines and PA 1.1 machines. Yuk! */
clicksz = u.u_pcb.pcb_pgsz;
/* clicksz must be a power of two >= 2k. */
if (clicksz < 0x800
|| clicksz != (clicksz & -clicksz))
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
/* Sanity checks. Make sure the size of the core file matches the
the size computed from information within the core itself. */
{
struct stat statbuf;
if (bfd_stat (abfd, &statbuf) < 0)
return NULL;
if (NBPG * (UPAGES + u.u_dsize + u.u_ssize) > statbuf.st_size)
{
bfd_set_error (bfd_error_file_truncated);
return NULL;
}
if (clicksz * (UPAGES + u.u_dsize + u.u_ssize) < statbuf.st_size)
{
/* The file is too big. Maybe it's not a core file
or we otherwise have bad values for u_dsize and u_ssize). */
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
}
/* OK, we believe you. You're a core file (sure, sure). */
coredata = (struct hppabsd_core_struct *)
bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hppabsd_core_struct));
if (!coredata)
return NULL;
/* Make the core data and available via the tdata part of the BFD. */
abfd->tdata.hppabsd_core_data = coredata;
/* Create the sections. */
core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
SEC_ALLOC + SEC_HAS_CONTENTS,
clicksz * u.u_ssize,
NBPG * (USIZE + KSTAKSIZE)
+ clicksz * u.u_dsize, 2);
if (core_stacksec (abfd) == NULL)
goto fail;
core_stacksec (abfd)->vma = USRSTACK;
core_datasec (abfd) = make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD
+ SEC_HAS_CONTENTS,
clicksz * u.u_dsize,
NBPG * (USIZE + KSTAKSIZE), 2);
if (core_datasec (abfd) == NULL)
goto fail;
core_datasec (abfd)->vma = UDATASEG;
core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
SEC_HAS_CONTENTS,
KSTAKSIZE * NBPG,
NBPG * USIZE, 2);
if (core_regsec (abfd) == NULL)
goto fail;
core_regsec (abfd)->vma = 0;
strncpy (core_command (abfd), u.u_comm, MAXCOMLEN + 1);
core_signal (abfd) = u.u_code;
return abfd->xvec;
fail:
bfd_release (abfd, abfd->tdata.any);
abfd->tdata.any = NULL;
bfd_section_list_clear (abfd);
return NULL;
}
static int
hppabsd_core_core_file_failing_signal (bfd *abfd)
{
return core_signal (abfd);
}
static const bfd_target *
osf_core_core_file_p (bfd *abfd)
{
int val;
int i;
char *secname;
struct core_filehdr core_header;
bfd_size_type amt;
amt = sizeof core_header;
val = bfd_bread (& core_header, amt, abfd);
if (val != sizeof core_header)
return NULL;
if (! CONST_STRNEQ (core_header.magic, "Core"))
return NULL;
core_hdr (abfd) = (struct osf_core_struct *)
bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct));
if (!core_hdr (abfd))
return NULL;
strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1);
core_signal (abfd) = core_header.signo;
for (i = 0; i < core_header.nscns; i++)
{
struct core_scnhdr core_scnhdr;
flagword flags;
amt = sizeof core_scnhdr;
val = bfd_bread (& core_scnhdr, amt, abfd);
if (val != sizeof core_scnhdr)
break;
/* Skip empty sections. */
if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0)
continue;
switch (core_scnhdr.scntype)
{
case SCNRGN:
secname = ".data";
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
break;
case SCNSTACK:
secname = ".stack";
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
break;
case SCNREGS:
secname = ".reg";
flags = SEC_HAS_CONTENTS;
break;
default:
(*_bfd_error_handler) (_("Unhandled OSF/1 core file section type %d\n"),
core_scnhdr.scntype);
continue;
}
if (!make_bfd_asection (abfd, secname, flags,
(bfd_size_type) core_scnhdr.size,
(bfd_vma) core_scnhdr.vaddr,
(file_ptr) core_scnhdr.scnptr))
goto fail;
}
/* OK, we believe you. You're a core file (sure, sure). */
return abfd->xvec;
fail:
bfd_release (abfd, core_hdr (abfd));
core_hdr (abfd) = NULL;
bfd_section_list_clear (abfd);
return NULL;
}