Function resolveMallocSymbols

src/mallocTracer.cpp:136–150

Call each intercepted function at least once to ensure its GOT entry is updated with a correct target address

// Call each intercepted function at least once to ensure
// its GOT entry is updated with a correct target address
static void resolveMallocSymbols() {
    static volatile intptr_t sink;

    void* p0 = malloc(1);
    void* p1 = realloc(p0, 2);
    void* p2 = calloc(1, 1);
    void* p3 = aligned_alloc(1, 1);
    void* p4 = NULL;
    if (posix_memalign(&p4, sizeof(void*), sizeof(void*)) == 0) free(p4);
    free(p3);
    free(p2);
    free(p1);

    sink = (intptr_t)p1 + (intptr_t)p2 + (intptr_t)p3 + (intptr_t)p4;
}

void MallocTracer::initialize() {
    CodeCache* lib = Profiler::instance()->findLibraryByAddress((void*)MallocTracer::initialize);