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Diffstat (limited to 'docs/users_guide/phases.rst')
| -rw-r--r-- | docs/users_guide/phases.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/users_guide/phases.rst b/docs/users_guide/phases.rst index 8b99939d98..c931268bbd 100644 --- a/docs/users_guide/phases.rst +++ b/docs/users_guide/phases.rst @@ -1322,3 +1322,17 @@ for example). that do runtime dynamic linking, where code dynamically linked in the future might require the value of a CAF that would otherwise be garbage-collected. + +.. ghc-flag:: -fcompact-unwind + :shortdesc: Instruct the linker to produce a `__compact_unwind` section. + :type: dynamic + :category: linking + + :since: 9.4.1 + + This instructs the linker to produce an executable that supports Apple's + compact unwinding sections. These are used by C++ and Objective-C code + to unwind the stack when an exception occurs. + + In theory, the older `__eh_frame` section should also be usable for this + purpose, but this does not always work. |