diff options
| -rw-r--r-- | gdb/ChangeLog | 9 | ||||
| -rw-r--r-- | gdb/config/d10v/tm-d10v.h | 2 | ||||
| -rw-r--r-- | gdb/d10v-tdep.c | 11 |
3 files changed, 20 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3f91ef4..d8e2a19 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,12 @@ +Mon Feb 16 14:05:54 1998 Andrew Cagney <cagney@b1.cygnus.com> + + * d10v-tdep.c (d10v_extract_return_value): Wierd. GCC wants to + return odd sized register quantities with only half of the first + register used! + + * config/d10v/tm-d10v.h (USE_STRUCT_CONVENTION): Use stack when + size > 8. + Mon Mar 30 16:42:12 1998 Jason Molenda (crash@bugshack.cygnus.com) * rdi-share/Makefile.am, rdi-share/aclocal.m4, diff --git a/gdb/config/d10v/tm-d10v.h b/gdb/config/d10v/tm-d10v.h index 93c634c..0a4c3b4 100644 --- a/gdb/config/d10v/tm-d10v.h +++ b/gdb/config/d10v/tm-d10v.h @@ -187,7 +187,7 @@ extern CORE_ADDR d10v_skip_prologue (); registers. */ #define USE_STRUCT_CONVENTION(gcc_p, type) \ - (TYPE_LENGTH (type) > 1) + (TYPE_LENGTH (type) > 8) diff --git a/gdb/d10v-tdep.c b/gdb/d10v-tdep.c index 6e57891..10d249b 100644 --- a/gdb/d10v-tdep.c +++ b/gdb/d10v-tdep.c @@ -654,8 +654,17 @@ d10v_extract_return_value (type, regbuf, valbuf) unsigned short c = extract_unsigned_integer (regbuf + REGISTER_BYTE (RET1_REGNUM), REGISTER_RAW_SIZE (RET1_REGNUM)); store_unsigned_integer (valbuf, 1, c); } - else + else if ((len & 1) == 0) memcpy (valbuf, regbuf + REGISTER_BYTE (RET1_REGNUM), len); + else + { + /* For return values of odd size, the first byte is in the + least significant part of the first register. The + remaining bytes in remaining registers. Interestingly, + when such values are passed in, the last byte is in the + most significant byte of that same register - wierd. */ + memcpy (valbuf, regbuf + REGISTER_BYTE (RET1_REGNUM) + 1, len); + } } } |