static bool objc_build_refs(RCoreObjc *objc) {
ut64 off;
ut8 *buf = calloc (1, objc->_const->vsize);
if (!buf) {
return false;
}
(void)r_io_read_at (objc->core->io, objc->_const->vaddr, buf, objc->_const->vsize);
for (off = 0; off < objc->_const->vsize; off += objc->word_size) {
ut64 va = objc->_const->vaddr + off;
ut64 xrefs_to = r_read_le64 (buf + off);
if (!xrefs_to) {
continue;
}
sdb_array_add_num (objc->db, addr_key (va), xrefs_to, 0);
}
free (buf);
buf = calloc (1, objc->_selrefs->vsize);
if (!buf) {
return false;
}
r_io_read_at (objc->core->io, objc->_selrefs->vaddr, buf, objc->_selrefs->vsize);
for (off = 0; off < objc->_selrefs->vsize; off += objc->word_size) {
ut64 va = objc->_selrefs->vaddr + off;
ut64 xrefs_to = r_read_le64 (buf + off);
if (!xrefs_to) {
continue;
}
sdb_array_add_num (objc->db, addr_key (xrefs_to), va, 0);
}
free (buf);
return true;
}
static void headers64(RBinFile *bf) {
#define p bf->rbin->cb_printf
const ut8 *buf = r_buf_get_at (bf->buf, 0, NULL);
p ("0x00000000 ELF64 0x%08x\n", r_read_le32 (buf));
p ("0x00000010 Type 0x%04x\n", r_read_le16 (buf + 0x10));
p ("0x00000012 Machine 0x%04x\n", r_read_le16 (buf + 0x12));
p ("0x00000014 Version 0x%08x\n", r_read_le32 (buf + 0x14));
p ("0x00000018 Entrypoint 0x%08"PFMT64x"\n", r_read_le64 (buf + 0x18));
p ("0x00000020 PhOff 0x%08"PFMT64x"\n", r_read_le64 (buf + 0x20));
p ("0x00000028 ShOff 0x%08"PFMT64x"\n", r_read_le64 (buf + 0x28));
}
R_API ut64 r_mem_get_num(const ut8 *b, int size) {
// LITTLE ENDIAN is the default for streams
switch (size) {
case 1:
return r_read_le8 (b);
case 2:
return r_read_le16 (b);
case 4:
return r_read_le32 (b);
case 8:
return r_read_le64 (b);
}
return 0LL;
}
static ut64 readLE64(RBuffer *buf, int off) {
int left = 0;
const ut8 *data = r_buf_get_at (buf, off, &left);
return left > 7? r_read_le64 (data): 0;
}
static ut64 readQword (RCoreObjc *objc, ut64 addr) {
ut8 buf[8];
(void)r_io_read_at (objc->core->io, addr, buf, sizeof (buf));
return r_read_le64 (buf);
}
