{
public:
core_target ();
- ~core_target () override;
const target_info &info () const override
{ return core_target_info; }
shared library bfds. The core bfd sections are an implementation
detail of the core target, just like ptrace is for unix child
targets. */
- target_section_table m_core_section_table {};
+ target_section_table m_core_section_table;
/* File-backed address space mappings: some core files include
information about memory mapped files. */
- target_section_table m_core_file_mappings {};
+ target_section_table m_core_file_mappings;
/* Unavailable mappings. These correspond to pathnames which either
weren't found or could not be opened. Knowing these addresses can
bfd_get_filename (core_bfd));
/* Find the data section */
- if (build_section_table (core_bfd,
- &m_core_section_table.sections,
- &m_core_section_table.sections_end))
- error (_("\"%s\": Can't find sections: %s"),
- bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ()));
+ m_core_section_table = build_section_table (core_bfd);
build_file_mappings ();
}
-core_target::~core_target ()
-{
- xfree (m_core_section_table.sections);
- xfree (m_core_file_mappings.sections);
-}
-
/* Construct the target_section_table for file-backed mappings if
they exist.
gdbarch_read_core_file_mappings (m_core_gdbarch, core_bfd,
/* After determining the number of mappings, read_core_file_mappings
- will invoke this lambda which allocates target_section storage for
- the mappings. */
- [&] (ULONGEST count)
+ will invoke this lambda. */
+ [&] (ULONGEST)
{
- m_core_file_mappings.sections = XNEWVEC (struct target_section, count);
- m_core_file_mappings.sections_end = m_core_file_mappings.sections;
},
/* read_core_file_mappings will invoke this lambda for each mapping
that it finds. */
[&] (int num, ULONGEST start, ULONGEST end, ULONGEST file_ofs,
- const char *filename, const void *other)
+ const char *filename, const void *other)
{
/* Architecture-specific read_core_mapping methods are expected to
weed out non-file-backed mappings. */
}
bfd = bfd_map[filename] = bfd_openr (expanded_fname.get (),
- "binary");
+ "binary");
if (bfd == nullptr || !bfd_check_format (bfd, bfd_object))
{
bfd_set_section_alignment (sec, 2);
/* Set target_section fields. */
- struct target_section *ts = m_core_file_mappings.sections_end++;
- ts->addr = start;
- ts->endaddr = end;
- ts->owner = nullptr;
- ts->the_bfd_section = sec;
+ m_core_file_mappings.emplace_back (start, end, sec);
});
normalize_mem_ranges (&m_core_unavailable_mappings);
exit_inferior_silent (current_inferior ());
/* Clear out solib state while the bfd is still open. See
- comments in clear_solib in solib.c. */
+ comments in clear_solib in solib.c. */
clear_solib ();
current_program_space->cbfd.reset (nullptr);
{
/* Do it after the err msg */
/* 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). */
+ thing, on error it does not free all the storage associated
+ with the bfd). */
error (_("\"%s\" is not a core dump: %s"),
filename.get (), bfd_errmsg (bfd_get_error ()));
}
core file. We don't do this unconditionally since an exec file
typically contains more information that helps us determine the
architecture than a core file. */
- if (!exec_bfd)
+ if (!current_program_space->exec_bfd ())
set_gdbarch_from_file (core_bfd);
push_target (std::move (target_holder));
switch_to_thread (thread);
}
- if (exec_bfd == nullptr)
+ if (current_program_space->exec_bfd () == nullptr)
locate_exec_from_corefile_build_id (core_bfd, from_tty);
post_create_inferior (from_tty);
xfer_status = (section_table_xfer_memory_partial
(readbuf, writebuf,
offset, len, xfered_len,
- m_core_file_mappings.sections,
- m_core_file_mappings.sections_end));
+ m_core_file_mappings));
if (xfer_status == TARGET_XFER_OK || m_core_unavailable_mappings.empty ())
return xfer_status;
for (const auto &mr : m_core_unavailable_mappings)
{
if (address_in_mem_range (memaddr, &mr))
- {
+ {
if (!address_in_mem_range (memend, &mr))
len = mr.start + mr.length - memaddr;
xfer_status = section_table_xfer_memory_partial
(readbuf, writebuf,
offset, len, xfered_len,
- m_core_section_table.sections,
- m_core_section_table.sections_end,
+ m_core_section_table,
has_contents_cb);
if (xfer_status == TARGET_XFER_OK)
return TARGET_XFER_OK;
core file provided mappings (e.g. from .note.linuxcore.file
or the like) as this should provide a more accurate
result. If not, check the stratum beneath us, which should
- be the file stratum. */
- if (m_core_file_mappings.sections != nullptr)
- xfer_status = xfer_memory_via_mappings (readbuf, writebuf, offset,
- len, xfered_len);
+ be the file stratum.
+
+ We also check unavailable mappings due to Docker/AUFS driver
+ issues. */
+ if (!m_core_file_mappings.empty ()
+ || !m_core_unavailable_mappings.empty ())
+ {
+ xfer_status = xfer_memory_via_mappings (readbuf, writebuf, offset,
+ len, xfered_len);
+ }
else
xfer_status = this->beneath ()->xfer_partial (object, annex, readbuf,
writebuf, offset, len,
xfer_status = section_table_xfer_memory_partial
(readbuf, writebuf,
offset, len, xfered_len,
- m_core_section_table.sections,
- m_core_section_table.sections_end,
+ m_core_section_table,
no_contents_cb);
return xfer_status;
void
core_target::info_proc_mappings (struct gdbarch *gdbarch)
{
- if (m_core_file_mappings.sections != m_core_file_mappings.sections_end)
+ if (!m_core_file_mappings.empty ())
{
printf_filtered (_("Mapped address spaces:\n\n"));
if (gdbarch_addr_bit (gdbarch) == 32)
}
}
- for (const struct target_section *tsp = m_core_file_mappings.sections;
- tsp < m_core_file_mappings.sections_end;
- tsp++)
+ for (const target_section &tsp : m_core_file_mappings)
{
- ULONGEST start = tsp->addr;
- ULONGEST end = tsp->endaddr;
- ULONGEST file_ofs = tsp->the_bfd_section->filepos;
- const char *filename = bfd_get_filename (tsp->the_bfd_section->owner);
+ ULONGEST start = tsp.addr;
+ ULONGEST end = tsp.endaddr;
+ ULONGEST file_ofs = tsp.the_bfd_section->filepos;
+ const char *filename = bfd_get_filename (tsp.the_bfd_section->owner);
if (gdbarch_addr_bit (gdbarch) == 32)
printf_filtered ("\t%10s %10s %10s %10s %s\n",
{
add_target (core_target_info, core_target_open, filename_completer);
add_cmd ("core-file-backed-mappings", class_maintenance,
- maintenance_print_core_file_backed_mappings,
+ maintenance_print_core_file_backed_mappings,
_("Print core file's file-backed mappings."),
&maintenanceprintlist);
}
projects / binutils-gdb.git / blobdiff