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ARMulator Reference

4.10.5 ARMul_AddCounterDesc

The

ARMul_AddCounterDesc()

function adds new counters to

$statistics

Syntax

int ARMul_AddCounterDesc(void *handle, ARMword *arg1, ARMword *arg2,

const char *name)

where:

handle

is no longer used.

arg1/arg2

are the arguments passed to the

UnkRDIInfoUpcall()

name

is a string that names the statistic counter. The string must be less than 32

characters long.

Return

The function returns one of:

•

RDIError_BufferFull

•

RDIError_UnimplementedMessage.

Usage

When ARMulator receives an

RDIRequestCycleDesc()

call from the debugger, it uses the

UnkRDIInfoUpcall()

(see Unknown RDI information handler on page 4-35) to ask each

module in turn if it wishes to provide any statistics counters. Each module responds by

calling

ARMul_AddCounterDesc()

with the arguments passed to the

UnkRDIInfoUpcall()

All statistics counters must be either a 32-bit or 64-bit word, and be monotonically

increasing. That is, the statistic value must go up over time. This is a requirement

because of the way the debugger calculates

$statistics_inc

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ARM VERSION 1.2 Scheda Tecnica Pagina 106