/*
** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the MIT License.
*/

// ToDo: this is a dummy implementation - I've not yet gained enough knowledge
//      to decide how this should be done, so it's just broken now (okay for single
//      threaded apps, though).

#warning FIXME: M68K

#include <runtime_loader/runtime_loader.h>

#include "support/TLS.h"
#include "tls.h"


static int32 gNextSlot = TLS_FIRST_FREE_SLOT;
static void *gSlots[TLS_MAX_KEYS];

struct tls_index {
        unsigned long int       module;
        unsigned long int       offset;
};

void* __tls_get_addr(struct tls_index* ti);


int32
tls_allocate(void)
{
        int32 next = atomic_add(&gNextSlot, 1);
        if (next >= TLS_MAX_KEYS)
                return B_NO_MEMORY;

        return next;
}


void *
tls_get(int32 index)
{
        return gSlots[index];
}


void **
tls_address(int32 index)
{
        return &gSlots[index];
}


void
tls_set(int32 index, void *value)
{
        gSlots[index] = value;
}

void*
__tls_get_addr(struct tls_index* ti)
{
        return __gRuntimeLoader->get_tls_address(ti->module, ti->offset);
}