size_t DIGCLIENT DIGCliRead( dig_fhandle h, void * b , size_t s )
/***************************************************************/
{
return( BigRead( h, b, s ) );
}
STATIC bool readSampleFile( void )
/********************************/
{
file_handle fh;
uint_16 size;
void *buff;
int buff_len;
off_t start_position;
bool main_exe;
samp_block_prefix prefix;
samp_block_prefix *next_prefix;
/* we can add error checking for things like */
/**/
/* - number of samples match the info # of samples */
/* - main exe load if there is an overlay table */
/**/
fh = CurrSIOData->fh;
start_position = lseek( fh, CurrSIOData->header.sample_start, SEEK_SET );
if( start_position == (off_t) -1 ) {
ErrorMsg( LIT( Smp_File_IO_Err ), CurrSIOData->samp_file_name );
return( false );
}
if( read( fh, &prefix, SIZE_PREFIX ) != SIZE_PREFIX ) {
ErrorMsg( LIT( Smp_File_IO_Err ), CurrSIOData->samp_file_name );
return( false );
}
buff = ProfAlloc( SIZE_DATA );
buff_len = SIZE_DATA;
main_exe = false;
while( prefix.kind != SAMP_LAST ) {
size = prefix.length;
if( buff_len < size ) {
buff = ProfRealloc( buff, size );
buff_len = size;
}
/* reads data & next prefix */
if( BigRead( fh, buff, size ) != size ) {
ErrorMsg( LIT( Smp_File_IO_Err ), CurrSIOData->samp_file_name );
ProfFree( buff );
return( false );
}
next_prefix = (void *)( ((char *) buff) + ( size - SIZE_PREFIX ));
/* if we're reading a sample record from a callgraph sample */
/* file, the next record should contain callgraph information */
/* which we will also want stored in memory for processing */
/* 16-jul-92 CMS */
// if( CallGraph && prefix.kind == SAMP_SAMPLES &&
// next_prefix->kind == SAMP_CALLGRAPH ) {
// size = next_prefix->length;
// /* reads callgraph data & next prefix */
// if( BigRead( fh, next_prefix, size ) != size ) {
// errorIO();
// ProfFree( buff );
// ErrorMsg( LIT( Smp_File_IO_Err ), CurrSIOData->samp_file_name );
// return( false );
// }
// next_prefix = (void *)( ((char *) next_prefix) + ( size - SIZE_PREFIX ));
// }
switch( prefix.kind ) {
case SAMP_INFO:
procInfoBlock( prefix.tick, buff );
break;
case SAMP_SAMPLES:
if( !procSampleBlock( prefix.tick, prefix.length, buff ) ) {
return( false );
}
break;
case SAMP_MARK:
procMarkBlock( prefix.tick, buff );
break;
case SAMP_OVL_LOAD:
procOverlayBlock( prefix.tick, buff );
break;
case SAMP_ADDR_MAP:
procAddrBlock( prefix.length, buff );
break;
case SAMP_MAIN_LOAD:
main_exe = true;
/* fall through */
case SAMP_CODE_LOAD:
procImageBlock( buff, main_exe );
main_exe = false;
break;
case SAMP_REMAP_SECTION:
procRemapBlock( prefix.tick, prefix.length, buff );
break;
case SAMP_CALLGRAPH:
// printf( "sample callgraph\n" );
break;
}
prefix = *next_prefix;
}
ProfFree( buff );
return( true );
}
unsigned DIGCLIENT DIGCliRead( dig_fhandle h, void * b , unsigned s )
/*******************************************************************/
{
return( BigRead( h, b, s ) );
}