/* BFD back-end for HP/UX core files.
- Copyright 1993, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
Written by Stu Grossman, Cygnus Support.
Converted to back-end form by Ian Lance Taylor, Cygnus SUpport
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. */
+Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/* This file can only be compiled on systems which use HP/UX style
core files. */
/* .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
+struct hpux_core_struct
{
int sig;
int lwpid; /* Kernel thread ID. */
#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
+ PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma,
+ unsigned int));
+static const bfd_target *hpux_core_core_file_p
+ PARAMS ((bfd *));
+static char *hpux_core_core_file_failing_command
+ PARAMS ((bfd *));
+static int hpux_core_core_file_failing_signal
+ PARAMS ((bfd *));
+static bfd_boolean hpux_core_core_file_matches_executable_p
+ PARAMS ((bfd *, bfd *));
+static void swap_abort
+ PARAMS ((void));
static asection *
-make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
+make_bfd_asection (abfd, name, flags, size, vma, alignment_power)
bfd *abfd;
- CONST char *name;
+ const char *name;
flagword flags;
- bfd_size_type _raw_size;
+ bfd_size_type size;
bfd_vma vma;
unsigned int alignment_power;
{
asection *asect;
char *newname;
- newname = bfd_alloc (abfd, strlen (name) + 1);
+ newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1);
if (!newname)
return NULL;
return NULL;
asect->flags = flags;
- asect->_raw_size = _raw_size;
+ asect->size = 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;
+/* Return true if the given core file section corresponds to a thread,
+ based on its name. */
+
+static int
+thread_section_p (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sect,
+ void *obj ATTRIBUTE_UNUSED)
{
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- if (new)
- new->the_bfd = abfd;
- return new;
+ return (strncmp (bfd_section_name (abfd, sect), ".reg/", 5) == 0);
}
-
/* 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.
int unknown_sections = 0;
core_hdr (abfd) = (struct hpux_core_struct *)
- bfd_zalloc (abfd, sizeof (struct hpux_core_struct));
+ bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hpux_core_struct));
if (!core_hdr (abfd))
return NULL;
int val;
struct corehead core_header;
- val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd);
+ val = bfd_bread ((void *) &core_header,
+ (bfd_size_type) 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 */
+ /* Just skip this. */
+ bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
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)
+ if (bfd_bread ((void *) &proc_exec, (bfd_size_type) core_header.len,
+ abfd) != core_header.len)
break;
strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
good_sections++;
/* 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)
+ if (bfd_bread (&proc_info, (bfd_size_type) 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)
+ if (bfd_seek (abfd, -((file_ptr) core_header.len), SEEK_CUR) != 0)
break;
#if defined(PROC_INFO_HAS_THREAD_ID)
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;
+ SEC_HAS_CONTENTS,
+ core_header.len,
+ (bfd_vma) offsetof (struct proc_info,
+ hw_regs),
+ 2))
+ goto fail;
}
else
{
if (!make_bfd_asection (abfd, ".reg",
SEC_HAS_CONTENTS,
core_header.len,
- (int) &proc_info - (int) & proc_info.hw_regs,
+ (bfd_vma)offsetof (struct proc_info,
+ hw_regs),
2))
- return NULL;
+ goto fail;
}
/* 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;
+ SEC_HAS_CONTENTS,
+ core_header.len,
+ (bfd_vma) offsetof (struct proc_info,
+ hw_regs),
+ 2))
+ goto fail;
}
core_signal (abfd) = proc_info.sig;
- if (bfd_seek (abfd, core_header.len, SEEK_CUR) != 0)
+ if (bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR) != 0)
break;
good_sections++;
}
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;
+ core_header.len,
+ (bfd_vma) core_header.addr, 2))
+ goto fail;
- bfd_seek (abfd, core_header.len, SEEK_CUR);
+ bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR);
good_sections++;
break;
*/
unknown_sections++;
break;
-
- default: return 0; /*unrecognized core file type */
+
+ default:
+ goto fail; /*unrecognized core file type */
}
}
/* OK, we believe you. You're a core file (sure, sure). */
+ /* On HP/UX, we sometimes encounter core files where none of the threads
+ was found to be the running thread (ie the signal was set to -1 for
+ all threads). This happens when the program was aborted externally
+ via a TT_CORE ttrace system call. In that case, we just pick one
+ thread at random to be the active thread. */
+ if (core_kernel_thread_id (abfd) != 0
+ && bfd_get_section_by_name (abfd, ".reg") == NULL)
+ {
+ asection *asect = bfd_sections_find_if (abfd, thread_section_p, NULL);
+ asection *reg_sect;
+
+ if (asect != NULL)
+ {
+ reg_sect = make_bfd_asection (abfd, ".reg", asect->flags,
+ asect->size, asect->vma,
+ asect->alignment_power);
+ if (reg_sect == NULL)
+ goto fail;
+
+ reg_sect->filepos = asect->filepos;
+ }
+ }
+
/* 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
abfd->filename);
return abfd->xvec;
+
+ fail:
+ bfd_release (abfd, core_hdr (abfd));
+ core_hdr (abfd) = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
static char *
return core_command (abfd);
}
-/* ARGSUSED */
static int
hpux_core_core_file_failing_signal (abfd)
bfd *abfd;
return core_signal (abfd);
}
-/* ARGSUSED */
-static boolean
+static bfd_boolean
hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
+ bfd *core_bfd ATTRIBUTE_UNUSED;
+ bfd *exec_bfd ATTRIBUTE_UNUSED;
{
- return true; /* FIXME, We have no way of telling at this point */
+ 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()
+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 )
+
+#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 hpux_core_vec =
{
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 */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit data */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */
+ NO_GET, NO_GETS, 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_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_false, bfd_false,
+ bfd_false, bfd_false
},
{ /* bfd_write_contents */
- 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 (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),
+
+ 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 (_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 /* backend_data */
-};
+ };
projects / deliverable / binutils-gdb.git / blobdiff