108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
|
|
* tracegen.c - Running the binary tracegen with valgrind produces
|
|
* a memory trace of all of the registered transpose functions.
|
|
*
|
|
* The beginning and end of each registered transpose function's trace
|
|
* is indicated by reading from "marker" addresses. These two marker
|
|
* addresses are recorded in file for later use.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
#include <unistd.h>
|
|
#include <getopt.h>
|
|
#include "cachelab.h"
|
|
#include <string.h>
|
|
|
|
/* External variables declared in cachelab.c */
|
|
extern trans_func_t func_list[MAX_TRANS_FUNCS];
|
|
extern int func_counter;
|
|
|
|
/* External function from trans.c */
|
|
extern void registerFunctions();
|
|
|
|
/* Markers used to bound trace regions of interest */
|
|
volatile char MARKER_START, MARKER_END;
|
|
|
|
static int A[256][256];
|
|
static int B[256][256];
|
|
static int M;
|
|
static int N;
|
|
|
|
|
|
int validate(int fn,int M, int N, int A[N][M], int B[M][N]) {
|
|
int C[M][N];
|
|
memset(C,0,sizeof(C));
|
|
correctTrans(M,N,A,C);
|
|
for(int i=0;i<M;i++) {
|
|
for(int j=0;j<N;j++) {
|
|
if(B[i][j]!=C[i][j]) {
|
|
printf("Validation failed on function %d! Expected %d but got %d at B[%d][%d]\n",fn,C[i][j],B[i][j],i,j);
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char* argv[]){
|
|
int i;
|
|
|
|
char c;
|
|
int selectedFunc=-1;
|
|
while( (c=getopt(argc,argv,"M:N:F:")) != -1){
|
|
switch(c){
|
|
case 'M':
|
|
M = atoi(optarg);
|
|
break;
|
|
case 'N':
|
|
N = atoi(optarg);
|
|
break;
|
|
case 'F':
|
|
selectedFunc = atoi(optarg);
|
|
break;
|
|
case '?':
|
|
default:
|
|
printf("./tracegen failed to parse its options.\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
/* Register transpose functions */
|
|
registerFunctions();
|
|
|
|
/* Fill A with data */
|
|
initMatrix(M,N, A, B);
|
|
|
|
/* Record marker addresses */
|
|
FILE* marker_fp = fopen(".marker","w");
|
|
assert(marker_fp);
|
|
fprintf(marker_fp, "%llx %llx",
|
|
(unsigned long long int) &MARKER_START,
|
|
(unsigned long long int) &MARKER_END );
|
|
fclose(marker_fp);
|
|
|
|
if (-1==selectedFunc) {
|
|
/* Invoke registered transpose functions */
|
|
for (i=0; i < func_counter; i++) {
|
|
MARKER_START = 33;
|
|
(*func_list[i].func_ptr)(M, N, A, B);
|
|
MARKER_END = 34;
|
|
if (!validate(i,M,N,A,B))
|
|
return i+1;
|
|
}
|
|
} else {
|
|
MARKER_START = 33;
|
|
(*func_list[selectedFunc].func_ptr)(M, N, A, B);
|
|
MARKER_END = 34;
|
|
if (!validate(selectedFunc,M,N,A,B))
|
|
return selectedFunc+1;
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|