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/*
* Copyright (c) 2004-2007 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2008 The Trustees of Indiana University.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*
* memchecker (memory checker) valgrind framework component interface.
*
* Intent
*/
#include "opal_config.h"
#include "memchecker_valgrind.h"
#include "opal/constants.h"
#include "opal/mca/base/mca_base_var.h"
#include "opal/mca/memchecker/base/base.h"
#include "opal/mca/memchecker/memchecker.h"
#include "valgrind/memcheck.h"
#include "valgrind/valgrind.h"
/*
* Local functions
*/
static int valgrind_module_init(void);
static int valgrind_module_runindebugger(void);
static int valgrind_module_isaddressable(void *p, size_t len);
static int valgrind_module_isdefined(void *p, size_t len);
static int valgrind_module_mem_noaccess(void *p, size_t len);
static int valgrind_module_mem_undefined(void *p, size_t len);
static int valgrind_module_mem_defined(void *p, size_t len);
static int valgrind_module_mem_defined_if_addressable(void *p, size_t len);
static int valgrind_module_create_block(void *p, size_t len, char *description);
static int
valgrind_module_discard_block(void *p); /* Here, we need to do some mapping for valgrind */
static int valgrind_module_leakcheck(void);
#if 0
static int valgrind_module_get_vbits(void * p, char * vbits, size_t len);
static int valgrind_module_set_vbits(void * p, char * vbits, size_t len);
#endif
extern int opal_memchecker_component_priority;
/*
* Valgrind memchecker module
*/
static const opal_memchecker_base_module_1_0_0_t loc_module = {
/* Initialization function */
valgrind_module_init,
/* Module function pointers */
valgrind_module_runindebugger, valgrind_module_isaddressable, valgrind_module_isdefined,
valgrind_module_mem_noaccess, valgrind_module_mem_undefined, valgrind_module_mem_defined,
valgrind_module_mem_defined_if_addressable, valgrind_module_create_block,
valgrind_module_discard_block, valgrind_module_leakcheck};
int opal_memchecker_valgrind_component_query(mca_base_module_t **module, int *priority)
{
*priority = opal_memchecker_component_priority;
*module = (mca_base_module_t *) &loc_module;
return OPAL_SUCCESS;
}
static int valgrind_module_init(void)
{
/* Nothing to do yet, possibly update the amount of memory blocks. */
return OPAL_SUCCESS;
}
static int valgrind_module_runindebugger(void)
{
return RUNNING_ON_VALGRIND;
}
static int valgrind_module_isaddressable(void *p, size_t len)
{
if (len > 0) {
VALGRIND_CHECK_MEM_IS_ADDRESSABLE(p, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_isdefined(void *p, size_t len)
{
if (len > 0) {
VALGRIND_CHECK_MEM_IS_DEFINED(p, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_mem_noaccess(void *p, size_t len)
{
if (len > 0) {
VALGRIND_MAKE_MEM_NOACCESS(p, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_mem_undefined(void *p, size_t len)
{
if (len > 0) {
VALGRIND_MAKE_MEM_UNDEFINED(p, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_mem_defined(void *p, size_t len)
{
if (len > 0) {
VALGRIND_MAKE_MEM_DEFINED(p, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_mem_defined_if_addressable(void *p, size_t len)
{
if (len > 0) {
VALGRIND_MAKE_MEM_DEFINED_IF_ADDRESSABLE(p, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_create_block(void *p, size_t len, char *description)
{
if (len > 0) {
VALGRIND_CREATE_BLOCK(p, len, description);
/*
* Add p to some list atomically
*/
}
return OPAL_SUCCESS;
}
static int valgrind_module_discard_block(void *p)
{
/* Here, we need to do some mapping for valgrind */
/*
* If p in list, then get rid of name
*/
return OPAL_SUCCESS;
}
static int valgrind_module_leakcheck(void)
{
VALGRIND_DO_LEAK_CHECK;
return OPAL_SUCCESS;
}
#if 0
static int valgrind_module_get_vbits(void * p, char * vbits, size_t len)
{
if (len > 0) {
VALGRIND_GET_VBITS(p, vbits, len);
}
return OPAL_SUCCESS;
}
static int valgrind_module_set_vbits(void * p, char * vbits, size_t len)
{
if (len > 0) {
VALGRIND_SET_VBITS(p, vbits, len);
}
return OPAL_SUCCESS;
}
#endif
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