/* -----------------------------------------------------------------------------
 *
 * (c) The GHC Team, 1998-2000
 *
 * Support for mapping info table pointers to source locations
 *
 * ---------------------------------------------------------------------------*/


#include "PosixSource.h"
#include "Rts.h"

#include "RtsUtils.h"
#include "Profiling.h"
#include "Arena.h"
#include "IPE.h"
#include "Printer.h"
#include "Capability.h"

#include <fs_rts.h>
#include <string.h>


#if defined(TRACING)
#include "Trace.h"
#endif

InfoProvEnt *IPE_LIST = NULL;

void dumpIPEToEventLog(void)
{
#if defined(TRACING)
    InfoProvEnt *ip, *next;
    for (ip = IPE_LIST; ip != NULL; ip = next) {
        next = ip->link;
        traceIPE(ip->info, ip->prov.table_name, ip->prov.closure_desc, ip->prov.ty_desc
                , ip->prov.label, ip->prov.module, ip->prov.srcloc);
    }
#endif
    return;
}


/* -----------------------------------------------------------------------------
   Registering IPEs

   Registering a IPE consists of linking it onto the list of registered IPEs

   IPEs are registered at startup by a C constructor function
   generated by the compiler (ProfInit.hs) in the _stub.c file for each module.
 -------------------------------------------------------------------------- */

static void
registerInfoProvEnt(InfoProvEnt *ipe)
{
        ASSERT(ipe->link == NULL);
        ipe->link = IPE_LIST;
        IPE_LIST = ipe;
}

void registerInfoProvList(InfoProvEnt **ent_list)
{
    for (InfoProvEnt **i = ent_list; *i != NULL; i++) {
        registerInfoProvEnt(*i);
    }
}


// MP: TODO: This should not be a linear search, need to improve
// the IPE_LIST structure
InfoProvEnt * lookupIPE(StgInfoTable *info)
{
    InfoProvEnt *ip, *next;
    for (ip = IPE_LIST; ip != NULL; ip = next) {
        if (ip->info == info) {
            return ip;
        }
        next = ip->link;
    }
    return NULL;
}