/*
* Initialize the module system by loading the Symbols.dylib module.
* Once loaded, locate the _lookup_symbol function so that internal
* symbols can be resolved.
*/
int init_module_system()
{
// Start any modules that were compiled in first.
start_built_in_modules();
int retVal = 0;
void (*module_start)(void) = NULL;
char* module_data = symbols_module_start + BOOT2_ADDR;
// Intialize module system
if(symbols_module_start != (void*)0xFFFFFFFF)
{
// Module system was compiled in (Symbols.dylib addr known)
module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);
if(module_start && module_start != (void*)0xFFFFFFFF)
{
// Notify the system that it was laoded
module_loaded(SYMBOLS_MODULE, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);
(*module_start)(); // Start the module. This will point to load_all_modules due to the way the dylib was constructed.
execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);
DBG("Module %s Loaded.\n", SYMBOLS_MODULE);
retVal = 1;
}
else
{
module_data -= 0x10; // XCODE 4 HACK
module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);
if(module_start && module_start != (void*)0xFFFFFFFF)
{
// Notify the system that it was laoded
module_loaded(SYMBOLS_MODULE, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);
(*module_start)(); // Start the module. This will point to load_all_modules due to the way the dylib was constructed.
execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);
DBG("Module %s Loaded.\n", SYMBOLS_MODULE);
retVal = 1;
}
else
{
// The module does not have a valid start function
printf("Unable to start %s\n", SYMBOLS_MODULE); getchar();
}
}
}
return retVal;
}
/*
* Initialize the module system by loading the Symbols.dylib module.
* Once loaded, locate the _lookup_symbol function so that internal
* symbols can be resolved.
*/
int init_module_system()
{
// Start any modules that were compiled in first.
start_built_in_modules();
int retVal = 0;
void (*module_start)(void) = NULL;
extern char symbols_start __asm("section$start$__DATA$__Symbols");
char* module_data = &symbols_start;
// Intialize module system
if(module_data)
{
// Module system was compiled in (Symbols.dylib addr known)
module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);
if(module_start && (module_start != (void*)0xFFFFFFFF))
{
// Notify the system that it was laoded
module_loaded(SYMBOLS_MODULE, module_start, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);
(*module_start)(); // Start the module. This will point to load_all_modules due to the way the dylib was constructed.
DBG("Module %s Loaded.\n", SYMBOLS_MODULE);
retVal = 1;
}
else
{
// The module does not have a valid start function
printf("Unable to start %s at 0x%x\n", SYMBOLS_MODULE, module_data);
pause();
}
}
// Look for modules located in the multiboot header.
if(gMI && (gMI->mi_flags & MULTIBOOT_INFO_HAS_MODS))
{
if(gMI->mi_mods_count)
{
struct multiboot_module* mod = (struct multiboot_module*)gMI->mi_mods_addr;
while(gMI->mi_mods_count--)
{
if(mod->mm_string)
{
// Convert string to module name, check for dylib.
if(strcmp(&mod->mm_string[strlen(mod->mm_string) - sizeof("dylib")], ".dylib") == 0)
{
module_data = (char*)mod->mm_mod_start;
char* last = strrchr(mod->mm_string, '/');
if(last)
{
last++;
}
else
{
last = mod->mm_string;
}
char *name = strdup(last);
name[strlen(last) - sizeof("dylib")] = 0;
DBG("Loading multiboot module %s\n", name);
module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);
if(module_start && (module_start != (void*)0xFFFFFFFF))
{
// Notify the system that it was laoded
module_loaded(name, module_start, NULL, NULL, 0, 0 /*moduleName, NULL, moduleVersion, moduleCompat*/);
(*module_start)(); // Start the module
DBG("Module %s Loaded.\n", name); DBGPAUSE();
}
}
}
}
}
}
if(retVal) execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);
return retVal;
}
