diff options
Diffstat (limited to 'gdb/sh-tdep.c')
| -rw-r--r-- | gdb/sh-tdep.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c index b3a8f9f..74783bf 100644 --- a/gdb/sh-tdep.c +++ b/gdb/sh-tdep.c @@ -1060,8 +1060,20 @@ sh_extract_return_value (struct type *type, char *regbuf, char *valbuf) static void sh_default_store_return_value (struct type *type, char *valbuf) { - write_register_bytes (REGISTER_BYTE (0), - valbuf, TYPE_LENGTH (type)); + char buf[32]; /* more than enough... */ + + if (TYPE_LENGTH (type) < REGISTER_RAW_SIZE (R0_REGNUM)) + { + /* Add leading zeros to the value. */ + memset (buf, 0, REGISTER_RAW_SIZE (R0_REGNUM)); + memcpy (buf + REGISTER_RAW_SIZE (R0_REGNUM) - TYPE_LENGTH (type), + valbuf, TYPE_LENGTH (type)); + write_register_bytes (REGISTER_BYTE (R0_REGNUM), buf, + REGISTER_RAW_SIZE (R0_REGNUM)); + } + else + write_register_bytes (REGISTER_BYTE (R0_REGNUM), valbuf, + TYPE_LENGTH (type)); } static void @@ -1071,8 +1083,7 @@ sh3e_sh4_store_return_value (struct type *type, char *valbuf) write_register_bytes (REGISTER_BYTE (FP0_REGNUM), valbuf, TYPE_LENGTH (type)); else - write_register_bytes (REGISTER_BYTE (0), - valbuf, TYPE_LENGTH (type)); + sh_default_store_return_value (type, valbuf); } |