C++ (Cpp) gum_alloc_n_pages_near примеры использования

Пример #1

Файл: gumcodeallocator.c Проект: SomeoneWeird/frida-gum

static GumCodePage *
gum_code_allocator_new_page_near (GumCodeAllocator * self,
                                  gpointer address)
{
  GumPageProtection prot;
  GumAddressSpec spec;
  GumCodePage * cp;
  guint slice_idx;

  prot = gum_query_is_rwx_supported () ? GUM_PAGE_RWX : GUM_PAGE_RW;

  spec.near_address = address;
  spec.max_distance = GUM_CODE_ALLOCATOR_MAX_DISTANCE;

  cp = (GumCodePage *) gum_alloc_n_pages_near (1, prot, &spec);

  for (slice_idx = 0; slice_idx != self->slices_per_page; slice_idx++)
  {
    GumCodeSlice * slice = &cp->slice[slice_idx];

    slice->data =
        (guint8 *) cp + self->header_size + (slice_idx * self->slice_size);
    slice->size = self->slice_size;
    gum_code_slice_mark_free (slice);
  }

  return cp;
}

Пример #2

Файл: relocator-fixture.c Проект: pombredanne/frida-gum

static void
test_relocator_fixture_setup (TestRelocatorFixture * fixture,
                              gconstpointer data)
{
  guint page_size;
  guint8 stack_data[1] = { 42 };
  GumAddressSpec as;

  page_size = gum_query_page_size ();

  as.near_address = (gpointer) stack_data;
  as.max_distance = G_MAXINT32 - page_size;

  fixture->output = (guint8 *) gum_alloc_n_pages_near (1, GUM_PAGE_RWX, &as);
  memset (fixture->output, 0, page_size);

  gum_x86_writer_init (&fixture->cw, fixture->output);
}