diff options
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 582953b..1e9a45c 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -2904,6 +2904,14 @@ If this RTL is a @code{REG}, you should also define @code{DWARF_FRAME_RETURN_COLUMN} to @code{DWARF_FRAME_REGNUM (REGNO)}. @end defmac +@defmac DWARF_ALT_FRAME_RETURN_COLUMN +A C expression whose value is an integer giving a DWARF 2 column +number that may be used as an alternate return column. This should +be defined only if @code{DWARF_FRAME_RETURN_COLUMN} is set to a +general register, but an alternate column needs to be used for +signal frames. +@end defmac + @defmac INCOMING_FRAME_SP_OFFSET A C expression whose value is an integer giving the offset, in bytes, from the value of the stack pointer register to the top of the stack |