-/** @brief Read memory from a snapshot region
- *
- * @param addr Process (non-snapshot) address of the data
- * @param region Snapshot memory region where the data is located
- * @param target Buffer to store the value
- * @param size Size of the data to read in bytes
- * @return Pointer where the data is located (target buffer of original location)
- */
-void* mc_snapshot_read_region(void* addr, mc_mem_region_t region, void* target, size_t size)
-{
- uintptr_t offset = (uintptr_t) addr - (uintptr_t) region->start_addr;
-
- xbt_assert(addr >= region->start_addr && (char*) addr+size < (char*)region->start_addr+region->size,
- "Trying to read out of the region boundary.");
-
- // Linear memory region:
- if (region->data) {
- return (void*) ((uintptr_t) region->data + offset);
- }
-
- // Fragmented memory region:
- else if (region->page_numbers) {
- void* end = (char*) addr + size - 1;
- if( mc_same_page(addr, end) ) {
- // The memory is contained in a single page:
- return mc_translate_address_region((uintptr_t) addr, region);
- } else {
- // The memory spans several pages:
- return mc_snapshot_read_fragmented(addr, region, target, size);
- }
- }
-
- else {
- xbt_die("No data available for this region");
- }
-}
-