static int x86_int_0x80 (RAnalEsil *esil, int interrupt) {
int syscall;
ut64 eax, ebx, ecx, edx;
if (!esil || (interrupt != 0x80))
return false;
r_anal_esil_reg_read (esil, "eax", &eax, NULL);
r_anal_esil_reg_read (esil, "ebx", &ebx, NULL);
r_anal_esil_reg_read (esil, "ecx", &ecx, NULL);
r_anal_esil_reg_read (esil, "edx", &edx, NULL);
syscall = (int) eax;
switch (syscall) {
case 3:
{
char *dst = calloc (1, (size_t)edx);
(void)read ((ut32)ebx, dst, (size_t)edx);
r_anal_esil_mem_write (esil, ecx, (ut8 *)dst, (int)edx);
free (dst);
return true;
}
case 4:
{
char *src = malloc ((size_t)edx);
r_anal_esil_mem_read (esil, ecx, (ut8 *)src, (int)edx);
write ((ut32)ebx, src, (size_t)edx);
free (src);
return true;
}
}
eprintf ("syscall %d not implemented yet\n", syscall);
return false;
}
static int i8051_hook_reg_read(RAnalEsil *esil, const char *name, ut64 *res, int *size) {
int ret = 0;
ut64 val = 0LL;
RI8051Reg *ri;
RAnalEsilCallbacks cbs = esil->cb;
if ((ri = i8051_reg_find (name))) {
ut8 offset = i8051_reg_get_offset(esil, ri);
ret = r_anal_esil_mem_read (esil, IRAM + offset, (ut8*)res, ri->num_bytes);
}
esil->cb = ocbs;
if (!ret && ocbs.hook_reg_read) {
ret = ocbs.hook_reg_read (esil, name, res, NULL);
}
if (!ret && ocbs.reg_read) {
ret = ocbs.reg_read (esil, name, &val, NULL);
}
esil->cb = cbs;
return ret;
}
