diff options
| author | Marc Espie <espie@cvs.openbsd.org> | 1999-02-02 18:09:19 +0000 |
|---|---|---|
| committer | Marc Espie <espie@cvs.openbsd.org> | 1999-02-02 18:09:19 +0000 |
| commit | bcd8667f4722cbb3b96946ddea33356473b5f0d6 (patch) | |
| tree | 753512d3a215989013942fbac4c5f7359934b283 /gnu/usr.bin | |
| parent | 25b8318585ccffb36b39ab1d921780d38f8fad84 (diff) | |
Fix DWARF2_UNWIND_INFO properly, e.g., so that the same fragment works
with gcc 2.8.1 and egcs.
Problem reported by millert@
Diffstat (limited to 'gnu/usr.bin')
| -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 + |