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/*
scanroutines.c Routines of scanning for different data types
Copyright (C) 2009,2010 WANG Lu <coolwanglu(a)gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <assert.h>
#include "scanroutines.h"
#include "value.h"
#include "scanmem.h"
/* for convenience */
#define SCAN_ROUTINE_ARGUMENTS (const value_t *new_value, const value_t *old_value, const uservalue_t *user_value, match_flags *saveflags, void *address)
int (*g_scan_routine) SCAN_ROUTINE_ARGUMENTS;
#define VALUE_COMP(a,b,field,op) (((a)->flags.field && (b)->flags.field) && (get_##field(a) op get_##field(b)))
#define VALUE_COPY(a,b,field) ((set_##field(a, get_##field(b))), ((a)->flags.field = 1))
#define SET_FLAG(f, field) ((f)->field = 1)
/********************/
/* Integer specific */
/********************/
/* for MATCHANY */
#define DEFINE_INTEGER_MATCHANY_ROUTINE(DATATYPENAME, DATAWIDTH) \
int scan_routine_##DATATYPENAME##_ANY SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value)->flags.s##DATAWIDTH##b) { ret = (DATAWIDTH)/8; SET_FLAG(saveflags, s##DATAWIDTH##b); } \
if ((new_value)->flags.u##DATAWIDTH##b) { ret = (DATAWIDTH)/8; SET_FLAG(saveflags, u##DATAWIDTH##b); } \
return ret; \
}
DEFINE_INTEGER_MATCHANY_ROUTINE(INTEGER8, 8)
DEFINE_INTEGER_MATCHANY_ROUTINE(INTEGER16, 16)
DEFINE_INTEGER_MATCHANY_ROUTINE(INTEGER32, 32)
DEFINE_INTEGER_MATCHANY_ROUTINE(INTEGER64, 64)
#define DEFINE_INTEGER_ROUTINE(DATATYPENAME, DATAWIDTH, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
int scan_routine_##DATATYPENAME##_##MATCHTYPENAME SCAN_ROUTINE_ARGUMENTS \
{ \
assert(VALUE_TO_COMPARE_WITH); \
int ret = 0; \
if(VALUE_COMP(new_value, VALUE_TO_COMPARE_WITH, s##DATAWIDTH##b, MATCHTYPE)) { \
SET_FLAG(saveflags, s##DATAWIDTH##b); \
ret = (DATAWIDTH)/8; \
} \
if(VALUE_COMP(new_value, VALUE_TO_COMPARE_WITH, u##DATAWIDTH##b, MATCHTYPE)) { \
SET_FLAG(saveflags, u##DATAWIDTH##b); \
ret = (DATAWIDTH)/8; \
} \
return ret; \
}
#define DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
DEFINE_INTEGER_ROUTINE(INTEGER8, 8, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
DEFINE_INTEGER_ROUTINE(INTEGER16, 16, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
DEFINE_INTEGER_ROUTINE(INTEGER32, 32, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
DEFINE_INTEGER_ROUTINE(INTEGER64, 64, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(EQUALTO, ==, user_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(NOTEQUALTO, !=, user_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(GREATERTHAN, >, user_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(LESSTHAN, <, user_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(NOTCHANGED, ==, old_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(CHANGED, !=, old_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(INCREASED, >, old_value)
DEFINE_INTEGER_ROUTINE_FOR_ALL_INTEGER_TYPE(DECREASED, <, old_value)
/******************/
/* Float specific */
/******************/
/* for MATCHANY */
#define DEFINE_FLOAT_MATCHANY_ROUTINE(DATATYPENAME, DATAWIDTH) \
int scan_routine_##DATATYPENAME##_ANY SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value)->flags.f##DATAWIDTH##b) { ret = (DATAWIDTH)/8; SET_FLAG(saveflags, f##DATAWIDTH##b); } \
return ret; \
}
DEFINE_FLOAT_MATCHANY_ROUTINE(FLOAT32, 32)
DEFINE_FLOAT_MATCHANY_ROUTINE(FLOAT64, 64)
#define DEFINE_FLOAT_ROUTINE(DATATYPENAME, DATAWIDTH, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
int scan_routine_##DATATYPENAME##_##MATCHTYPENAME SCAN_ROUTINE_ARGUMENTS \
{ \
assert(VALUE_TO_COMPARE_WITH); \
int ret = 0; \
if(VALUE_COMP(new_value, VALUE_TO_COMPARE_WITH, f##DATAWIDTH##b, MATCHTYPE)) { \
SET_FLAG(saveflags, f##DATAWIDTH##b); \
ret = (DATAWIDTH)/8; \
} \
return ret; \
} \
#define DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
DEFINE_FLOAT_ROUTINE(FLOAT32, 32, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH) \
DEFINE_FLOAT_ROUTINE(FLOAT64, 64, MATCHTYPENAME, MATCHTYPE, VALUE_TO_COMPARE_WITH)
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(NOTEQUALTO, !=, user_value) /* TODO: this should be consistent with !EQUALTO */
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(NOTCHANGED, ==, old_value) /* this is bad */
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(CHANGED, !=, old_value) /* this is bad, but better than above */
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(INCREASED, >, old_value)
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(DECREASED, <, old_value)
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(GREATERTHAN, >, user_value)
DEFINE_FLOAT_ROUTINE_FOR_ALL_FLOAT_TYPE(LESSTHAN, <, user_value)
/********************/
/* Special routines */
/********************/
/*-----------------------------------*/
/* special EQUALTO for float numbers */
/*-----------------------------------*/
/* currently we round both of them to integers and compare them */
/* TODO: let user specify a float number */
#define DEFINE_FLOAT_EQUALTO_ROUTINE(FLOATTYPENAME, WIDTH) \
int scan_routine_##FLOATTYPENAME##_EQUALTO SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if((new_value->flags.f##WIDTH##b) && (user_value->flags.f##WIDTH##b) && ((int##WIDTH##_t)get_f##WIDTH##b(new_value) == (int##WIDTH##_t)get_f##WIDTH##b(user_value))) \
{ \
SET_FLAG(saveflags, f##WIDTH##b); \
ret = (WIDTH)/8; \
} \
return ret; \
}
DEFINE_FLOAT_EQUALTO_ROUTINE(FLOAT32, 32)
DEFINE_FLOAT_EQUALTO_ROUTINE(FLOAT64, 64)
/*-----------------------------*/
/* for reverse changing detect */
/*-----------------------------*/
#define DEFINE_ROUTINE_WITH_REVERSE_DETECT(DATATYPENAME, DATAWIDTH, MATCHTYPENAME, REVERSEMATCHTYPENAME) \
int scan_routine_##DATATYPENAME##_##MATCHTYPENAME##_WITH_REVERSE SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value->flags.ineq_forwards) && scan_routine_##DATATYPENAME##_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) { ret = (DATAWIDTH)/8; SET_FLAG(saveflags, ineq_forwards); } \
if ((new_value->flags.ineq_reverse) && scan_routine_##DATATYPENAME##_##REVERSEMATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) { ret = (DATAWIDTH)/8; SET_FLAG(saveflags, ineq_reverse); } \
return ret; \
}
#define DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(DATATYPENAME, DATAWIDTH) \
DEFINE_ROUTINE_WITH_REVERSE_DETECT(DATATYPENAME, DATAWIDTH, INCREASED, DECREASED) \
DEFINE_ROUTINE_WITH_REVERSE_DETECT(DATATYPENAME, DATAWIDTH, DECREASED, INCREASED)
DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(INTEGER8, 8)
DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(INTEGER16, 16)
DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(INTEGER32, 32)
DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(INTEGER64, 64)
DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(FLOAT32, 32)
DEFINE_ROUTINE_WITH_REVERSE_DETECT_FOR_DATATYPE(FLOAT64, 64)
/*---------------------------------*/
/* for INCREASEDBY and DECREASEDBY */
/*---------------------------------*/
#define DEFINE_INTEGER_INCREASEDBY_DECREASEDBY_ROUTINE(DATATYPENAME, DATAWIDTH) \
int scan_routine_##DATATYPENAME##_INCREASEDBY SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value->flags.s##DATAWIDTH##b) && (old_value->flags.s##DATAWIDTH##b) && (user_value->flags.s##DATAWIDTH##b) \
&& (get_s##DATAWIDTH##b(new_value) == get_s##DATAWIDTH##b(old_value) + get_s##DATAWIDTH##b(user_value))) \
{ ret = (DATAWIDTH)/8; SET_FLAG(saveflags, s##DATAWIDTH##b); } \
if ((new_value->flags.u##DATAWIDTH##b) && (old_value->flags.u##DATAWIDTH##b) && (user_value->flags.u##DATAWIDTH##b) \
&& (get_u##DATAWIDTH##b(new_value) == get_u##DATAWIDTH##b(old_value) + get_u##DATAWIDTH##b(user_value))) \
{ ret = (DATAWIDTH)/8; SET_FLAG(saveflags, u##DATAWIDTH##b); } \
return ret; \
} \
int scan_routine_##DATATYPENAME##_DECREASEDBY SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value->flags.s##DATAWIDTH##b) && (old_value->flags.s##DATAWIDTH##b) && (user_value->flags.s##DATAWIDTH##b) \
&& (get_s##DATAWIDTH##b(new_value) == get_s##DATAWIDTH##b(old_value) - get_s##DATAWIDTH##b(user_value))) \
{ ret = (DATAWIDTH)/8; SET_FLAG(saveflags, s##DATAWIDTH##b); } \
if ((new_value->flags.u##DATAWIDTH##b) && (old_value->flags.u##DATAWIDTH##b) && (user_value->flags.u##DATAWIDTH##b) \
&& (get_u##DATAWIDTH##b(new_value) == get_u##DATAWIDTH##b(old_value) - get_u##DATAWIDTH##b(user_value))) \
{ ret = (DATAWIDTH)/8; SET_FLAG(saveflags, u##DATAWIDTH##b); } \
return ret; \
}
DEFINE_INTEGER_INCREASEDBY_DECREASEDBY_ROUTINE(INTEGER8, 8)
DEFINE_INTEGER_INCREASEDBY_DECREASEDBY_ROUTINE(INTEGER16, 16)
DEFINE_INTEGER_INCREASEDBY_DECREASEDBY_ROUTINE(INTEGER32, 32)
DEFINE_INTEGER_INCREASEDBY_DECREASEDBY_ROUTINE(INTEGER64, 64)
#define DEFINE_FLOAT_INCREASEDBY_DECREASEDBY_ROUTINE(DATATYPENAME, DATAWIDTH) \
int scan_routine_##DATATYPENAME##_INCREASEDBY SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value->flags.f##DATAWIDTH##b) && (old_value->flags.f##DATAWIDTH##b) && (user_value->flags.f##DATAWIDTH##b) \
&& (get_f##DATAWIDTH##b(new_value) == get_f##DATAWIDTH##b(old_value) + get_f##DATAWIDTH##b(user_value))) \
{ ret = (DATAWIDTH)/8; SET_FLAG(saveflags, f##DATAWIDTH##b); } \
return ret; \
} \
int scan_routine_##DATATYPENAME##_DECREASEDBY SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0; \
if ((new_value->flags.f##DATAWIDTH##b) && (old_value->flags.f##DATAWIDTH##b) && (user_value->flags.f##DATAWIDTH##b) \
&& (get_f##DATAWIDTH##b(new_value) == get_f##DATAWIDTH##b(old_value) - get_f##DATAWIDTH##b(user_value))) \
{ ret = (DATAWIDTH)/8; SET_FLAG(saveflags, f##DATAWIDTH##b); } \
return ret; \
}
DEFINE_FLOAT_INCREASEDBY_DECREASEDBY_ROUTINE(FLOAT32, 32)
DEFINE_FLOAT_INCREASEDBY_DECREASEDBY_ROUTINE(FLOAT64, 64)
/*----------------*/
/* for BYTEARRAY */
/*----------------*/
int scan_routine_BYTEARRAY_ANY SCAN_ROUTINE_ARGUMENTS
{
return saveflags->bytearray_length = ((old_value)->flags.bytearray_length);
}
int scan_routine_BYTEARRAY_EQUALTO SCAN_ROUTINE_ARGUMENTS
{
bytearray_element_t *array = user_value->bytearray_value;
int length = user_value->flags.bytearray_length;
int cur_idx = 0;
int i, j;
value_t val_buf = *new_value;
for(i = 0; i + sizeof(int64_t) < length; i += sizeof(int64_t))
{
/* match current block */
for(j = 0; j < sizeof(int64_t); ++j)
{
if( (array[cur_idx].is_wildcard == 1)
|| (array[cur_idx].byte == val_buf.bytes[j]))
{
/* pass */
}
else
{
/* not matched */
return 0;
}
++ cur_idx;
}
/* read next block */
if (!peekdata(globals.target, address+i+sizeof(int64_t), &val_buf))
{
/* cannot read */
return 0;
}
}
/* match bytes left */
for(j = 0; j < length - i; ++j)
{
if( (array[cur_idx].is_wildcard == 1)
|| (array[cur_idx].byte == val_buf.bytes[j]))
{
/* pass */
}
else
{
/* not matched */
return 0;
}
++ cur_idx;
}
/* matched */
saveflags->bytearray_length = length;
return length;
}
/*------------*/
/* for STRING */
/*------------*/
int scan_routine_STRING_ANY SCAN_ROUTINE_ARGUMENTS
{
return saveflags->string_length = ((old_value)->flags.string_length);
}
int scan_routine_STRING_EQUALTO SCAN_ROUTINE_ARGUMENTS
{
const char *scan_string = user_value->string_value;
int length = user_value->flags.string_length;
int i, j;
value_t val_buf = *new_value;
for(i = 0; i + sizeof(int64_t) < length; i += sizeof(int64_t))
{
if(val_buf.int64_value != *((int64_t*)(scan_string+i)))
{
/* not matched */
return 0;
}
/* read next block */
if (!peekdata(globals.target, address+i+sizeof(int64_t), &val_buf))
{
/* cannot read */
return 0;
}
}
/* match bytes left */
for(j = 0; j < length - i; ++j)
{
if(val_buf.bytes[j] != *(scan_string+i+j))
{
/* not matched */
return 0;
}
}
/* matched */
saveflags->string_length = length;
return length;
}
/*-------------------------*/
/* Any-xxx types specifiec */
/*-------------------------*/
/* this is for anynumber, anyinteger, anyfloat */
#define DEFINE_ANYTYPE_ROUTINE(MATCHTYPENAME) \
int scan_routine_ANYINTEGER_##MATCHTYPENAME SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0, tmp_ret;\
if ((tmp_ret = scan_routine_INTEGER8_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) > ret) { ret = tmp_ret; } \
if ((tmp_ret = scan_routine_INTEGER16_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) > ret) { ret = tmp_ret; } \
if ((tmp_ret = scan_routine_INTEGER32_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) > ret) { ret = tmp_ret; } \
if ((tmp_ret = scan_routine_INTEGER64_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) > ret) { ret = tmp_ret; } \
return ret; \
} \
int scan_routine_ANYFLOAT_##MATCHTYPENAME SCAN_ROUTINE_ARGUMENTS \
{ \
int ret = 0, tmp_ret; \
if ((tmp_ret = scan_routine_FLOAT32_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) > ret) { ret = tmp_ret; } \
if ((tmp_ret = scan_routine_FLOAT64_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address)) > ret) { ret = tmp_ret; } \
return ret; \
} \
int scan_routine_ANYNUMBER_##MATCHTYPENAME SCAN_ROUTINE_ARGUMENTS \
{ \
int ret1 = scan_routine_ANYINTEGER_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address); \
int ret2 = scan_routine_ANYFLOAT_##MATCHTYPENAME (new_value, old_value, user_value, saveflags, address); \
return (ret1 > ret2 ? ret1 : ret2); \
} \
DEFINE_ANYTYPE_ROUTINE(ANY)
DEFINE_ANYTYPE_ROUTINE(EQUALTO)
DEFINE_ANYTYPE_ROUTINE(NOTEQUALTO)
DEFINE_ANYTYPE_ROUTINE(CHANGED)
DEFINE_ANYTYPE_ROUTINE(NOTCHANGED)
DEFINE_ANYTYPE_ROUTINE(INCREASED)
DEFINE_ANYTYPE_ROUTINE(DECREASED)
DEFINE_ANYTYPE_ROUTINE(GREATERTHAN)
DEFINE_ANYTYPE_ROUTINE(LESSTHAN)
DEFINE_ANYTYPE_ROUTINE(INCREASED_WITH_REVERSE)
DEFINE_ANYTYPE_ROUTINE(DECREASED_WITH_REVERSE)
DEFINE_ANYTYPE_ROUTINE(INCREASEDBY)
DEFINE_ANYTYPE_ROUTINE(DECREASEDBY)
/***************************************************************/
/* choose a routine according to scan_data_type and match_type */
/***************************************************************/
#define CHOOSE_ROUTINE(SCANDATATYPE, ROUTINEDATATYPENAME, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
if ((dt == SCANDATATYPE) && (mt == SCANMATCHTYPE)) \
{ \
return &scan_routine_##ROUTINEDATATYPENAME##_##ROUTINEMATCHTYPENAME; \
}
#define CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(INTEGER8, INTEGER8, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(INTEGER16, INTEGER16, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(INTEGER32, INTEGER32, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(INTEGER64, INTEGER64, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(FLOAT32, FLOAT32, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(FLOAT64, FLOAT64, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(ANYINTEGER, ANYINTEGER, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(ANYFLOAT, ANYFLOAT, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
CHOOSE_ROUTINE(ANYNUMBER, ANYNUMBER, SCANMATCHTYPE, ROUTINEMATCHTYPENAME) \
bool choose_scanroutine(scan_data_type_t dt, scan_match_type_t mt)
{
return (g_scan_routine = get_scanroutine(dt, mt)) != NULL;
}
scan_routine_t get_scanroutine(scan_data_type_t dt, scan_match_type_t mt)
{
if (globals.options.detect_reverse_change)
{
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHINCREASED, INCREASED_WITH_REVERSE)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHDECREASED, DECREASED_WITH_REVERSE)
}
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHANY, ANY)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHEQUALTO, EQUALTO)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHNOTEQUALTO, NOTEQUALTO)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHCHANGED, CHANGED)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHNOTCHANGED, NOTCHANGED)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHINCREASED, INCREASED)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHDECREASED, DECREASED)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHINCREASEDBY, INCREASEDBY)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHDECREASEDBY, DECREASEDBY)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHGREATERTHAN, GREATERTHAN)
CHOOSE_ROUTINE_FOR_ALL_NUMBER_TYPES(MATCHLESSTHAN, LESSTHAN)
CHOOSE_ROUTINE(BYTEARRAY, BYTEARRAY, MATCHEQUALTO, EQUALTO)
CHOOSE_ROUTINE(STRING, STRING, MATCHEQUALTO, EQUALTO)
return NULL;
}
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