diff options
Diffstat (limited to 'gdb/rs6000-tdep.c')
| -rw-r--r-- | gdb/rs6000-tdep.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 5175bd8..d638587 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -2931,8 +2931,11 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) /* PPC64 SYSV. */ set_gdbarch_frame_red_zone_size (gdbarch, 288); else if (!sysv_abi && wordsize == 4) - /* PowerOpen / AIX 32 bit. */ - set_gdbarch_frame_red_zone_size (gdbarch, 220); + /* PowerOpen / AIX 32 bit. The saved area or red zone consists of + 19 4 byte GPRS + 18 8 byte FPRs giving a total of 220 bytes. + Problem is, 220 isn't frame (16 byte) aligned. Round it up to + 224. */ + set_gdbarch_frame_red_zone_size (gdbarch, 224); set_gdbarch_deprecated_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos); set_gdbarch_believe_pcc_promotion (gdbarch, 1); |