| title |
Stack Usage | Microsoft Docs |
| ms.custom |
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| ms.date |
11/04/2016 |
| ms.reviewer |
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| ms.suite |
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| ms.technology |
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| ms.tgt_pltfrm |
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| ms.topic |
article |
| dev_langs |
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| ms.assetid |
383f0072-0438-489f-8829-cca89582408c |
| caps.latest.revision |
9 |
| author |
corob-msft |
| ms.author |
corob |
| manager |
ghogen |
All memory beyond the current address of RSP is considered volatile: The OS, or a debugger, may overwrite this memory during a user debug session, or an interrupt handler. Thus, RSP must always be set before attempting to read or write values to a stack frame.
This section discusses the allocation of stack space for local variables and the alloca intrinsic.
x64 Software Conventions