diff options
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/mips-tdep.c | 17 |
2 files changed, 21 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index ce6e80d..3d56550 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2007-12-20 David Ung <davidu@mips.com> + Maciej W. Rozycki <macro@mips.com> + + * mips-tdep.c (mips_n32n64_push_dummy_call): Sign-extend + integers and 32-bit pointers as required by the ABI. + 2007-12-20 Joel Brobecker <brobecker@adacore.com> * symtab.h: Remove "defs.h" #include. diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 193a21b..d4c8a3c 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -3184,8 +3184,21 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, purpose register. */ if (argreg <= MIPS_LAST_ARG_REGNUM) { - LONGEST regval = - extract_unsigned_integer (val, partial_len); + LONGEST regval; + + /* Sign extend pointers, 32-bit integers and signed + 16-bit and 8-bit integers; everything else is taken + as is. */ + + if ((partial_len == 4 + && (typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_INT)) + || (partial_len < 4 + && typecode == TYPE_CODE_INT + && !TYPE_UNSIGNED (arg_type))) + regval = extract_signed_integer (val, partial_len); + else + regval = extract_unsigned_integer (val, partial_len); /* A non-floating-point argument being passed in a general register. If a struct or union, and if |