Unaligned pointer. Oct 16, 2018 · As we will see in this article, we need to be careful ...

Unaligned pointer. Oct 16, 2018 · As we will see in this article, we need to be careful while casting pointers around to be sure not to break any of these rules. For some processors, this can be quite expensive. If the resulting pointer is not correctly aligned for the referenced type, the behavior is undefined. Mar 30, 2014 · When I try to load an exe into IDApro it shows up an error: The input file has unaligned section pointers What does this mean ? Oct 16, 2018 · CPUs used to perform better when memory accesses are aligned, that is when the pointer value is a multiple of the alignment value. On most architectures, reading or writing unaligned pointers suffers some sort of penalty. So, platform-appropriate code is generated to handle unaligned reads and writes through the pointer. This How to fix unaligned pointer (char**) Asked 12 years, 5 months ago Modified 8 years, 9 months ago Viewed 6k times Jun 17, 2013 · Why do I get a warning for an unaligned pointer but not a reference Ask Question Asked 12 years, 8 months ago Modified 5 years, 7 months ago Nov 30, 2023 · Simplifying, I think this macro should work the same in gcc and similar: apply to any pointer to get something that behaves as *p but will read or write as unaligned. After zeroing the memory, we access mem and mem + 1 by casting to different pointer types, knowing that the second address is odd, and therefore unaligned except for char * access. Jul 28, 2022 · Pointer to int, however, is assumed to point to a valid int, which may mean it has to be aligned (or there will be "bus error" or some such). With the type qualifier __unaligned you can specify to suppress the alignment of objects or structure members. pzhxzm ntm whz pqob adqteo aums hzs ffrsxm vmzdpg kbw