void api_hook_import_syscall(unsigned int address, void * function) {
//valid address
if (address) {
//asm jr $ra
*(unsigned int *) (address) = 0x03E00008;
//asm syscall #
*(unsigned int *) (address + 4) = (((sceKernelQuerySystemCall(function)) << 6) | 12);
//flush cache
sceKernelDcacheWritebackInvalidateRange((const void *) address, 8);
sceKernelIcacheInvalidateRange((const void *) address, 8);
}
}
static int place_syscall_stub(void* func, void *addr)
{
u32 syscall_num;
extern u32 sceKernelQuerySystemCall(void *func);
syscall_num = sceKernelQuerySystemCall(func);
if(syscall_num == (u32)-1) {
return -1;
}
_sw(0x03E00008, (u32)addr);
_sw(((syscall_num<<6)|12), (u32)(addr+4));
return 0;
}