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Add notes on old posts

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Philipp Oppermann
2017-03-25 17:00:16 +01:00
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blog/content/old-posts/better-exception-messages.md
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@@ -15,6 +15,8 @@ As always, the complete source code is on [Github]. Please file [issues] for any
[gitter chat]: https://gitter.im/phil-opp/blog_os
[comment section]: #disqus_thread
> **Note**: This post describes how to handle exceptions using naked functions (see <a href="/handling-exceptions-with-naked-fns.html">“Handling Exceptions with Naked Functions”</a> for an overview). Our new way of handling exceptions can be found in the <a href="/handling-exceptions.html">“Handling Exceptions”</a> post.
## Exceptions in Detail
An exception signals that something is wrong with the currently-executed instruction. Whenever an exception occurs, the CPU interrupts its current work and starts an internal exception routine.

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blog/content/old-posts/catching-exceptions.md
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@@ -13,6 +13,8 @@ As always, the complete source code is on [Github]. Please file [issues] for any
[Github]: https://github.com/phil-opp/blog_os/tree/catching_exceptions
[issues]: https://github.com/phil-opp/blog_os/issues
> **Note**: This post describes how to handle exceptions using naked functions (see <a href="/handling-exceptions-with-naked-fns.html">“Handling Exceptions with Naked Functions”</a> for an overview). Our new way of handling exceptions can be found in the <a href="/handling-exceptions.html">“Handling Exceptions”</a> post.
## Exceptions
An exception signals that something is wrong with the current instruction. For example, the CPU issues an exception if the current instruction tries to divide by 0. When an exception occurs, the CPU interrupts its current work and immediately calls a specific exception handler function, depending on the exception type.

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blog/content/old-posts/returning-from-exceptions.md
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@@ -15,6 +15,8 @@ As always, the complete source code is on [Github]. Please file [issues] for any
[gitter chat]: https://gitter.im/phil-opp/blog_os
[comment section]: #disqus_thread
> **Note**: This post describes how to handle exceptions using naked functions (see <a href="/handling-exceptions-with-naked-fns.html">“Handling Exceptions with Naked Functions”</a> for an overview). Our new way of handling exceptions can be found in the <a href="/handling-exceptions.html">“Handling Exceptions”</a> post.
## Introduction
Most exceptions are fatal and can't be resolved. For example, we can't return from a divide-by-zero exception in a reasonable way. However, there are some exceptions that we can resolve: