* alpha-tdep.c (alpha_register_convert_to_virtual): Tidy use of
deprecated interfaces; use ALPHA_REGISTER_SIZE instead of gdbarch macros where appropriate. (alpha_register_convert_to_raw): Similarly. Use unpack_long. (alpha_convert_flt_dbl, alpha_convert_dbl_flt): New.
This commit is contained in:
parent
7266705675
commit
14696584bb
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@ -1,5 +1,11 @@
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2003-06-02 Richard Henderson <rth@redhat.com>
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* alpha-tdep.c (alpha_register_convert_to_virtual): Tidy use of
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deprecated interfaces; use ALPHA_REGISTER_SIZE instead of gdbarch
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macros where appropriate.
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(alpha_register_convert_to_raw): Similarly. Use unpack_long.
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(alpha_convert_flt_dbl, alpha_convert_dbl_flt): New.
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* alpha-tdep.c (alpha_register_virtual_type): Use void_data_ptr
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for SP, GP; void_func_ptr for PC; non-language-specific types
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for all others.
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@ -159,25 +159,38 @@ alpha_register_virtual_size (int regno)
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bytes or less, as the representation of integers in floating point
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registers is different. */
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static void
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alpha_convert_flt_dbl (void *out, const void *in)
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{
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DOUBLEST d = extract_typed_floating (in, builtin_type_ieee_single_little);
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store_typed_floating (out, builtin_type_ieee_double_little, d);
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}
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static void
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alpha_convert_dbl_flt (void *out, const void *in)
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{
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DOUBLEST d = extract_typed_floating (in, builtin_type_ieee_double_little);
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store_typed_floating (out, builtin_type_ieee_single_little, d);
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}
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static void
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alpha_register_convert_to_virtual (int regnum, struct type *valtype,
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char *raw_buffer, char *virtual_buffer)
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{
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if (TYPE_LENGTH (valtype) >= REGISTER_RAW_SIZE (regnum))
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if (TYPE_LENGTH (valtype) >= ALPHA_REGISTER_SIZE)
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{
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memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum));
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memcpy (virtual_buffer, raw_buffer, ALPHA_REGISTER_SIZE);
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return;
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}
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/* Note that everything below is less than 8 bytes long. */
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if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
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{
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double d = deprecated_extract_floating (raw_buffer, REGISTER_RAW_SIZE (regnum));
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deprecated_store_floating (virtual_buffer, TYPE_LENGTH (valtype), d);
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}
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else if (TYPE_CODE (valtype) == TYPE_CODE_INT && TYPE_LENGTH (valtype) <= 4)
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alpha_convert_dbl_flt (virtual_buffer, raw_buffer);
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else if (TYPE_CODE (valtype) == TYPE_CODE_INT)
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{
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ULONGEST l;
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l = extract_unsigned_integer (raw_buffer, REGISTER_RAW_SIZE (regnum));
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l = extract_unsigned_integer (raw_buffer, ALPHA_REGISTER_SIZE);
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l = ((l >> 32) & 0xc0000000) | ((l >> 29) & 0x3fffffff);
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store_unsigned_integer (virtual_buffer, TYPE_LENGTH (valtype), l);
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}
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@ -189,26 +202,21 @@ static void
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alpha_register_convert_to_raw (struct type *valtype, int regnum,
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char *virtual_buffer, char *raw_buffer)
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{
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if (TYPE_LENGTH (valtype) >= REGISTER_RAW_SIZE (regnum))
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if (TYPE_LENGTH (valtype) >= ALPHA_REGISTER_SIZE)
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{
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memcpy (raw_buffer, virtual_buffer, REGISTER_RAW_SIZE (regnum));
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memcpy (raw_buffer, virtual_buffer, ALPHA_REGISTER_SIZE);
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return;
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}
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/* Note that everything below is less than 8 bytes long. */
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if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
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alpha_convert_flt_dbl (raw_buffer, virtual_buffer);
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else if (TYPE_CODE (valtype) == TYPE_CODE_INT)
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{
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double d = deprecated_extract_floating (virtual_buffer, TYPE_LENGTH (valtype));
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deprecated_store_floating (raw_buffer, REGISTER_RAW_SIZE (regnum), d);
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}
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else if (TYPE_CODE (valtype) == TYPE_CODE_INT && TYPE_LENGTH (valtype) <= 4)
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{
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ULONGEST l;
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if (TYPE_UNSIGNED (valtype))
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l = extract_unsigned_integer (virtual_buffer, TYPE_LENGTH (valtype));
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else
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l = extract_signed_integer (virtual_buffer, TYPE_LENGTH (valtype));
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ULONGEST l = unpack_long (valtype, virtual_buffer);
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l = ((l & 0xc0000000) << 32) | ((l & 0x3fffffff) << 29);
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store_unsigned_integer (raw_buffer, REGISTER_RAW_SIZE (regnum), l);
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store_unsigned_integer (raw_buffer, ALPHA_REGISTER_SIZE, l);
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}
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else
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error ("Cannot store value in floating point register");
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