975327a609
Make it easier to support a new architecture. Reviewed By: #sanitizers, vitalybuka Differential Revision: https://reviews.llvm.org/D140744
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
// Checks that dfsan works with trace-cmp instrumentation, even if some hooks
|
|
// are not defined (relies on week hooks implemented in dfsan).
|
|
//
|
|
// RUN: %clang_dfsan -fsanitize-coverage=trace-pc-guard,pc-table,func,trace-cmp %s -o %t
|
|
// RUN: %run %t 2>&1 | FileCheck %s
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <sanitizer/dfsan_interface.h>
|
|
|
|
uint32_t a4, b4;
|
|
uint64_t a8, b8;
|
|
|
|
// Define just two hooks, and leave others undefined.
|
|
void __dfsw___sanitizer_cov_trace_const_cmp4(uint8_t a, uint8_t b,
|
|
dfsan_label l1, dfsan_label l2) {
|
|
printf("const_cmp4 %d %d\n", a, b);
|
|
}
|
|
void __dfsw___sanitizer_cov_trace_cmp8(uint8_t a, uint8_t b, dfsan_label l1,
|
|
dfsan_label l2) {
|
|
printf("cmp8 %d %d\n", a, b);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
printf("MAIN\n");
|
|
// CHECK: MAIN
|
|
|
|
if (a4 != b4) abort();
|
|
if (a4 == 42) abort();
|
|
// CHECK: const_cmp4 42 0
|
|
if (a8 != b8) abort();
|
|
// CHECK: cmp8 0 0
|
|
if (a8 == 66) abort();
|
|
|
|
switch (10 / (a4 + 2)) {
|
|
case 1: abort();
|
|
case 2: exit(1);
|
|
case 5:
|
|
printf("SWITCH OK\n");
|
|
break;
|
|
}
|
|
// CHECK: SWITCH OK
|
|
|
|
|
|
printf("DONE\n");
|
|
// CHECK: DONE
|
|
return 0;
|
|
}
|