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/*
* This code maintains a list of active profiling data structures.
*
* Copyright IBM Corp. 2009
* Author(s): Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
*
* Uses gcc-internal data definitions.
* Based on the gcov-kernel patch by:
* Hubertus Franke <frankeh@us.ibm.com>
* Nigel Hinds <nhinds@us.ibm.com>
* Rajan Ravindran <rajancr@us.ibm.com>
* Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
* Paul Larson
*/
#include <xen/config.h>
#include <xen/init.h>
#include <xen/lib.h>
#include <xen/hypercall.h>
#include <xen/gcov.h>
#include <xen/errno.h>
static struct gcov_info *info_list;
/*
* __gcov_init is called by gcc-generated constructor code for each object
* file compiled with -fprofile-arcs.
*
* Although this function is called only during initialization is called from
* a .text section which is still present after initialization so not declare
* as __init.
*/
void __gcov_init(struct gcov_info *info)
{
/* add new profiling data structure to list */
info->next = info_list;
info_list = info;
}
/*
* These functions may be referenced by gcc-generated profiling code but serve
* no function for Xen.
*/
void __gcov_flush(void)
{
/* Unused. */
}
void __gcov_merge_add(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
}
void __gcov_merge_single(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
}
void __gcov_merge_delta(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
}
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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