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