core_data = NULL;
}
- name = bfd_get_filename (core_bfd);
gdb_bfd_unref (core_bfd);
- xfree (name);
core_bfd = NULL;
}
core_vec = NULL;
if (scratch_chan < 0)
perror_with_name (filename);
- temp_bfd = gdb_bfd_ref (bfd_fopen (filename, gnutarget,
- write_files ? FOPEN_RUB : FOPEN_RB,
- scratch_chan));
+ temp_bfd = gdb_bfd_fopen (filename, gnutarget,
+ write_files ? FOPEN_RUB : FOPEN_RB,
+ scratch_chan);
if (temp_bfd == NULL)
perror_with_name (filename);
/* FIXME: should be checking for errors from bfd_close (for one
thing, on error it does not free all the storage associated
with the bfd). */
- make_cleanup_bfd_close (temp_bfd);
+ make_cleanup_bfd_unref (temp_bfd);
error (_("\"%s\" is not a core dump: %s"),
filename, bfd_errmsg (bfd_get_error ()));
}
/* Looks semi-reasonable. Toss the old core file and work on the
new. */
- discard_cleanups (old_chain); /* Don't free filename any more */
+ do_cleanups (old_chain);
unpush_target (&core_ops);
core_bfd = temp_bfd;
old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/);
- /* FIXME: kettenis/20031023: This is very dangerous. The
- CORE_GDBARCH that results from this call may very well be
- different from CURRENT_GDBARCH. However, its methods may only
- work if it is selected as the current architecture, because they
- rely on swapped data (see gdbarch.c). We should get rid of that
- swapped data. */
core_gdbarch = gdbarch_from_bfd (core_bfd);
/* Find a suitable core file handler to munch on core_bfd */
list->pos += 4;
}
+/* Read siginfo data from the core, if possible. Returns -1 on
+ failure. Otherwise, returns the number of bytes read. ABFD is the
+ core file's BFD; READBUF, OFFSET, and LEN are all as specified by
+ the to_xfer_partial interface. */
+
+static LONGEST
+get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, LONGEST len)
+{
+ asection *section;
+ long pid;
+ char *section_name;
+ const char *name = ".note.linuxcore.siginfo";
+
+ if (ptid_get_lwp (inferior_ptid))
+ section_name = xstrprintf ("%s/%ld", name,
+ ptid_get_lwp (inferior_ptid));
+ else
+ section_name = xstrdup (name);
+
+ section = bfd_get_section_by_name (abfd, section_name);
+ xfree (section_name);
+ if (section == NULL)
+ return -1;
+
+ if (!bfd_get_section_contents (abfd, section, readbuf, offset, len))
+ return -1;
+
+ return len;
+}
+
static LONGEST
core_xfer_partial (struct target_ops *ops, enum target_object object,
const char *annex, gdb_byte *readbuf,
}
return -1;
+ case TARGET_OBJECT_SIGNAL_INFO:
+ if (readbuf)
+ return get_core_siginfo (core_bfd, readbuf, offset, len);
+ return -1;
+
default:
if (ops->beneath != NULL)
return ops->beneath->to_xfer_partial (ops->beneath, object,