BuFile* buFileOpen(const char* path, bool preload, int offset)
{
iovecStreamParams p = {path, preload, offset};
// set default target; without a default target some logic inside bfd goes horribly wrong
bfd_set_default_target("binary");
// open file
std::unique_ptr<bfd, bfd_boolean (*)(bfd*)> abfd(bfd_openr_iovec(path, 0, iovecOpen, &p, iovecRead, iovecClose, iovecStat), bfd_close);
if (!abfd) return 0;
// we should be working with an object file now
if (!checkFormat(abfd.get(), bfd_object)) return 0;
// decompress sections (we don't know if we'll need it)
abfd->flags |= BFD_DECOMPRESS;
// slurp symtab since all operations need it anyway
std::vector<asymbol*> symtab = slurpSymtab(abfd.get());
std::vector<asymbol*> dyntab = slurpDynamicSymtab(abfd.get());
symtab.insert(symtab.end(), dyntab.begin(), dyntab.end());
symtab.push_back(0);
return new BuFile(std::move(abfd), std::move(symtab));
}
static struct bfd *
bfd_open_from_target_memory (CORE_ADDR addr, ULONGEST size, char *target)
{
const char *filename = xstrdup ("<in-memory>");
struct target_buffer *buffer = xmalloc (sizeof (struct target_buffer));
buffer->base = addr;
buffer->size = size;
return bfd_openr_iovec (filename, target,
mem_bfd_iovec_open,
buffer,
mem_bfd_iovec_pread,
mem_bfd_iovec_close,
mem_bfd_iovec_stat);
}
