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* mips-tdep.c (mips_n32n64_push_dummy_call): Sign-extend

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integers and 32-bit pointers as required by the ABI.
This commit is contained in:
Maciej W. Rozycki
2007-12-20 17:13:57 +00:00
parent 1e9836570f
commit 5863b5d536
2 changed files with 21 additions and 2 deletions
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17
gdb/mips-tdep.c
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@@ -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