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Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index cd2bf87a032..bbca6b9a699 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -7648,6 +7648,11 @@ Define this macro if your target has ABI specified unwind tables. Usually these will be output by @code{TARGET_UNWIND_EMIT}. @end defmac +@deftypevar {Target Hook} bool TARGET_UNWID_TABLES_DEFAULT +This variable should be set to @code{true} if the target ABI requires unwinding +tables even when exceptions are not used. +@end deftypevar + @defmac MUST_USE_SJLJ_EXCEPTIONS This macro need only be defined if @code{DWARF2_UNWIND_INFO} is runtime-variable. In that case, @file{except.h} cannot correctly @@ -7698,6 +7703,20 @@ register in Dwarf. Otherwise, this hook should return @code{NULL_RTX}. If not defined, the default is to return @code{NULL_RTX}. @end deftypefn +@deftypefn {Target Hook} bool TARGET_ASM_TTYPE (rtx @var{sym}) +This hook is used to output a reference from a frame unwinding table to +the type_info object identified by @var{sym}. It should return @code{true} +if the reference was output. Returning @code{false} will cause the +reference to be output using the normal Dwarf2 routines. +@end deftypefn + +@deftypefn {Target Hook} bool TARGET_ARM_EABI_UNWINDER +This hook should be set to @code{true} on targets that use an ARM EABI +based unwinding library, and @code{false} on other targets. This effects +the format of unwinding tables, and how the unwinder in entered after +running a cleanup. The default is @code{false}. +@end deftypefn + @node Alignment Output @subsection Assembler Commands for Alignment |
