diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 89ee913..d8887d8 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -602,7 +602,7 @@ in the following sections. @gccoptlist{ -fcall-saved-@var{reg} -fcall-used-@var{reg} @gol -ffixed-@var{reg} -fexceptions @gol --fnon-call-exceptions -funwind-tables @gol +-fnon-call-exceptions -funwind-tables -fasynchronous-unwind-tables @gol -finhibit-size-directive -finstrument-functions @gol -fcheck-memory-usage -fprefix-function-name @gol -fno-common -fno-ident -fno-gnu-linker @gol @@ -9658,6 +9658,12 @@ static data, but will not affect the generated code in any other way. You will normally not enable this option; instead, a language processor that needs this handling would enable it on your behalf. +@item -fasynchronous-unwind-tables +@opindex funwind-tables +Generate unwind table in dwarf2 format, if supported by target machine. The +table is exact at each instruction boundary, so it can be used for stack +unwinding from asynchronous events (such as debugger or garbage collector). + @item -fpcc-struct-return @opindex fpcc-struct-return Return ``short'' @code{struct} and @code{union} values in memory like |