PS4ResolveStatus ps4Resolve(void *function) // FIXME: thread save
{
PS4ResolveStatus s = PS4ResolveStatusFunctionResolveError;
PS4ResolveHandler t = NULL;
unsigned char *b = (unsigned char *)function;
char *moduleName = *(char **)(b + 30); // alter if resolve changes
char *symbolName = *(char **)(b + 40);
int *module = (int *)(*(int **)(b + 50));
void **symbol = (void **)(*(void ***)(b + 60));
// check arbitrary bytes
if(*(b + 13) != 0x49 || *(b + 14) != 0x93)
return s;
t = ps4ResolveSetPostHandler(ps4ResolvePostIntercept);
s = ps4ResolveModuleAndSymbol(moduleName, symbolName, module, symbol);
ps4ResolveSetPostHandler(t);
if(t == NULL)
return s;
else if((s = ps4ResolveCallHandler(ps4ResolvePostHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusInterceptContinue)) != PS4ResolveStatusInterceptContinue)
return s;
return PS4ResolveStatusSuccess;
}
PS4ResolveStatus ps4ResolveModuleAndSymbol(char *moduleName, char *symbolName, int64_t *module, void **symbol)
{
static int (*lsm)(const char *name, size_t argc, const void *argv, unsigned int flags, int a, int b) = NULL;
int stat;
if((stat = ps4ResolveCallHandler(ps4ResolvePreHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusInterceptContinue)) != PS4ResolveStatusInterceptContinue)
return stat;
if(module == NULL || symbol == NULL || moduleName == NULL || symbolName == NULL)
if((stat = ps4ResolveCallHandler(ps4ResolveErrorHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusArgumentError)) != PS4ResolveStatusInterceptContinue)
return stat;
if(*module <= 0)
{
if(!lsm)
{
int64_t k = 0;
ps4ResolveSyscall(594, "libkernel.sprx", 0, &k, 0);
if(k <= 0)
if((stat = ps4ResolveCallHandler(ps4ResolveErrorHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusKernelLoadError)) != PS4ResolveStatusInterceptContinue)
return stat;
if(ps4ResolveSyscall(591, k, "sceKernelLoadStartModule", (void **)&lsm) != 0)
if((stat = ps4ResolveCallHandler(ps4ResolveErrorHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusLSMResolveError)) != PS4ResolveStatusInterceptContinue)
return stat;
}
*module = lsm(moduleName, 0, NULL, 0, 0, 0);
if(*module <= 0)
if((stat = ps4ResolveCallHandler(ps4ResolveErrorHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusModuleLoadError)) != PS4ResolveStatusInterceptContinue)
return stat;
}
if(ps4ResolveSyscall(591, *module, symbolName, symbol) != 0)
if((stat = ps4ResolveCallHandler(ps4ResolveErrorHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusFunctionResolveError)) != PS4ResolveStatusInterceptContinue)
return stat;
if((stat = ps4ResolveCallHandler(ps4ResolvePostHandler, moduleName, symbolName, module, symbol, PS4ResolveStatusInterceptContinue)) != PS4ResolveStatusInterceptContinue)
return stat;
return PS4ResolveStatusSuccess;
}
