* config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.

[pf3gnuchains/gcc-fork.git] / gcc / doc / tm.texi

diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index caf0a02..538888b 100644 (file)
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -7068,6 +7068,16 @@ provide a default definition if the target supports named sections.
 You should define this symbol if your target supports DWARF 2 frame
 unwind information and the default definition does not work.
 
+@findex EH_FRAME_IN_DATA_SECTION
+@item EH_FRAME_IN_DATA_SECTION
+If defined, DWARF 2 frame unwind information will be placed in the
+data section even though the target supports named sections.  This
+might be necessary, for instance, if the system linker does garbage
+collection and sections cannot be marked as not to be collected.
+
+Do not define this macro unless @code{TARGET_ASM_NAMED_SECTION} is
+also defined.
+
 @findex OMIT_EH_TABLE
 @item OMIT_EH_TABLE ()
 A C expression that is nonzero if the normal exception table output