diff options
Diffstat (limited to 'gnu/usr.bin/gcc/config/alpha/openbsd.h')
| -rw-r--r-- | gnu/usr.bin/gcc/config/alpha/openbsd.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gnu/usr.bin/gcc/config/alpha/openbsd.h b/gnu/usr.bin/gcc/config/alpha/openbsd.h index f92ffa70e33..5acc83f56ba 100644 --- a/gnu/usr.bin/gcc/config/alpha/openbsd.h +++ b/gnu/usr.bin/gcc/config/alpha/openbsd.h @@ -95,6 +95,18 @@ Boston, MA 02111-1307, USA. */ /* We're not ELF yet */ #undef HAS_INIT_SECTION -/* can't use dwarf2-style exception handling as we're not elf... */ +/* Special handling, refer to defaults.h for the logic behind it: + if INCOMING_RETURN_ADDR_RTX is defined and DWARF2_UNWIND_INFO is + not, DWARF2_UNWIND_INFO becomes the default. Logically, this should + depend on the output format being/not being ELF. But we can't check + that directly. And INCOMING_RETURN_ADDR_RTX was added to alpha.h post + 2.8.1. The following construct should work for all gcc versions. + */ + +/* We dont't default to dwarf2-style exception handling as we're not + elf... */ +#ifdef INCOMING_RETURN_ADDR_RTX #undef DWARF2_UNWIND_INFO #define DWARF2_UNWIND_INFO 0 +#endif + |