/* Read inferior memory at ADDR to find the header of a loaded object file
and read its in-core symbols out of inferior memory. TEMPL is a bfd
representing the target's format. NAME is the name to use for this
symbol file in messages; it can be NULL or a malloc-allocated string
which will be attached to the BFD. */
static struct objfile *
symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, char *name,
int from_tty)
{
struct objfile *objf;
struct bfd *nbfd;
struct bfd_section *sec;
bfd_vma loadbase;
struct section_addr_info *sai;
unsigned int i;
struct cleanup *cleanup;
if (bfd_get_flavour (templ) != bfd_target_elf_flavour)
error (_("add-symbol-file-from-memory not supported for this target"));
nbfd = bfd_elf_bfd_from_remote_memory (templ, addr, &loadbase,
target_read_memory_bfd);
if (nbfd == NULL)
error (_("Failed to read a valid object file image from memory."));
gdb_bfd_ref (nbfd);
if (name == NULL)
nbfd->filename = "shared object read from target memory";
else
{
nbfd->filename = name;
gdb_bfd_stash_filename (nbfd);
xfree (name);
}
cleanup = make_cleanup_bfd_unref (nbfd);
if (!bfd_check_format (nbfd, bfd_object))
error (_("Got object file from memory but can't read symbols: %s."),
bfd_errmsg (bfd_get_error ()));
sai = alloc_section_addr_info (bfd_count_sections (nbfd));
make_cleanup (xfree, sai);
i = 0;
for (sec = nbfd->sections; sec != NULL; sec = sec->next)
if ((bfd_get_section_flags (nbfd, sec) & (SEC_ALLOC|SEC_LOAD)) != 0)
{
sai->other[i].addr = bfd_get_section_vma (nbfd, sec) + loadbase;
sai->other[i].name = (char *) bfd_get_section_name (nbfd, sec);
sai->other[i].sectindex = sec->index;
++i;
}
sai->num_sections = i;
objf = symbol_file_add_from_bfd (nbfd, bfd_get_filename (nbfd),
from_tty ? SYMFILE_VERBOSE : 0,
sai, OBJF_SHARED, NULL);
/* This might change our ideas about frames already looked at. */
reinit_frame_cache ();
do_cleanups (cleanup);
return objf;
}
/* Read inferior memory at ADDR to find the header of a loaded object file
and read its in-core symbols out of inferior memory. TEMPL is a bfd
representing the target's format. NAME is the name to use for this
symbol file in messages; it can be NULL or a malloc-allocated string
which will be attached to the BFD. */
static struct objfile *
symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, char *name,
int from_tty)
{
struct objfile *objf;
struct bfd *nbfd;
struct bfd_section *sec;
bfd_vma loadbase;
struct section_addr_info *sai;
unsigned int i;
if (bfd_get_flavour (templ) != bfd_target_elf_flavour)
error (_("add-symbol-file-from-memory not supported for this target"));
nbfd = bfd_elf_bfd_from_remote_memory (templ, addr, &loadbase,
target_read_memory);
if (nbfd == NULL)
error (_("Failed to read a valid object file image from memory."));
if (name == NULL)
nbfd->filename = xstrdup ("shared object read from target memory");
else
nbfd->filename = name;
if (!bfd_check_format (nbfd, bfd_object))
{
/* 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). */
bfd_close (nbfd);
error (_("Got object file from memory but can't read symbols: %s."),
bfd_errmsg (bfd_get_error ()));
}
sai = alloc_section_addr_info (bfd_count_sections (nbfd));
make_cleanup (xfree, sai);
i = 0;
for (sec = nbfd->sections; sec != NULL; sec = sec->next)
if ((bfd_get_section_flags (nbfd, sec) & (SEC_ALLOC|SEC_LOAD)) != 0)
{
sai->other[i].addr = bfd_get_section_vma (nbfd, sec) + loadbase;
sai->other[i].name = (char *) bfd_get_section_name (nbfd, sec);
sai->other[i].sectindex = sec->index;
++i;
}
objf = symbol_file_add_from_bfd (nbfd, from_tty ? SYMFILE_VERBOSE : 0,
sai, OBJF_SHARED);
/* This might change our ideas about frames already looked at. */
reinit_frame_cache ();
return objf;
}
/* Read inferior memory at ADDR to find the header of a loaded object file
and read its in-core symbols out of inferior memory. SIZE, if
non-zero, is the known size of the object. TEMPL is a bfd
representing the target's format. NAME is the name to use for this
symbol file in messages; it can be NULL or a malloc-allocated string
which will be attached to the BFD. */
static struct objfile *
symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr,
size_t size, char *name, int from_tty)
{
struct objfile *objf;
struct bfd *nbfd;
struct bfd_section *sec;
bfd_vma loadbase;
symfile_add_flags add_flags = 0;
if (bfd_get_flavour (templ) != bfd_target_elf_flavour)
error (_("add-symbol-file-from-memory not supported for this target"));
nbfd = bfd_elf_bfd_from_remote_memory (templ, addr, size, &loadbase,
target_read_memory_bfd);
if (nbfd == NULL)
error (_("Failed to read a valid object file image from memory."));
/* Manage the new reference for the duration of this function. */
gdb_bfd_ref_ptr nbfd_holder = gdb_bfd_ref_ptr::new_reference (nbfd);
xfree (bfd_get_filename (nbfd));
if (name == NULL)
nbfd->filename = xstrdup ("shared object read from target memory");
else
nbfd->filename = name;
if (!bfd_check_format (nbfd, bfd_object))
error (_("Got object file from memory but can't read symbols: %s."),
bfd_errmsg (bfd_get_error ()));
section_addr_info sai;
for (sec = nbfd->sections; sec != NULL; sec = sec->next)
if ((bfd_get_section_flags (nbfd, sec) & (SEC_ALLOC|SEC_LOAD)) != 0)
sai.emplace_back (bfd_get_section_vma (nbfd, sec) + loadbase,
bfd_get_section_name (nbfd, sec),
sec->index);
if (from_tty)
add_flags |= SYMFILE_VERBOSE;
objf = symbol_file_add_from_bfd (nbfd, bfd_get_filename (nbfd),
add_flags, &sai, OBJF_SHARED, NULL);
add_target_sections_of_objfile (objf);
/* This might change our ideas about frames already looked at. */
reinit_frame_cache ();
return objf;
}
