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support "load" function #13

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support "load" function #13

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9 changes: 2 additions & 7 deletions AppOrderFilesSample/AppOrderFiles/AppOrderFiles.m
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Original file line number Diff line number Diff line change
Expand Up @@ -25,11 +25,6 @@
// more than once with the same values of start/stop.
void __sanitizer_cov_trace_pc_guard_init(uint32_t *start,
uint32_t *stop) {
static uint32_t N; // Counter for the guards.
if (start == stop || *start) return; // Initialize only once.
printf("INIT: %p %p\n", start, stop);
for (uint32_t *x = start; x < stop; x++)
*x = ++N; // Guards should start from 1.
}

// This callback is inserted by the compiler on every edge in the
Expand All @@ -40,7 +35,7 @@ void __sanitizer_cov_trace_pc_guard_init(uint32_t *start,
// But for large functions it will emit a simple call:
// __sanitizer_cov_trace_pc_guard(guard);
void __sanitizer_cov_trace_pc_guard(uint32_t *guard) {
if (collectFinished || !*guard) {
if (collectFinished || *guard == INT32_MAX) {
return;
}
// If you set *guard to 0 this code will not be called again for this edge.
Expand All @@ -49,7 +44,7 @@ void __sanitizer_cov_trace_pc_guard(uint32_t *guard) {
// The values of `*guard` are as you set them in
// __sanitizer_cov_trace_pc_guard_init and so you can make them consecutive
// and use them to dereference an array or a bit vector.
*guard = 0;
*guard = INT32_MAX;
void *PC = __builtin_return_address(0);
PCNode *node = malloc(sizeof(PCNode));
*node = (PCNode){PC, NULL};
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