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ada_value_assign: Correct big-endian case to take into account the bitsize

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of the 'from' operand.
This commit is contained in:
Paul N. Hilfinger 2008-06-06 06:48:36 +00:00
parent 97407faf3d
commit aced2898db
2 changed files with 10 additions and 3 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2008-06-06 Paul N. Hilfinger <hilfinger@adacore.com>
* ada-lang.c (ada_value_assign): Correct big-endian case to take into
account the bitsize of the 'from' operand.
2008-06-06 Pedro Alves <pedro@codesourcery.com>
* annotate.h (annotate_thread_changed): Declare.

8
gdb/ada-lang.c
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@ -2252,6 +2252,7 @@ ada_value_assign (struct value *toval, struct value *fromval)
{
int len = (value_bitpos (toval)
+ bits + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT;
int from_size;
char *buffer = (char *) alloca (len);
struct value *val;
CORE_ADDR to_addr = VALUE_ADDRESS (toval) + value_offset (toval);
@ -2260,11 +2261,12 @@ ada_value_assign (struct value *toval, struct value *fromval)
fromval = value_cast (type, fromval);
read_memory (to_addr, buffer, len);
from_size = value_bitsize (fromval);
if (from_size == 0)
from_size = TYPE_LENGTH (value_type (fromval)) * TARGET_CHAR_BIT;
if (gdbarch_bits_big_endian (current_gdbarch))
move_bits (buffer, value_bitpos (toval),
value_contents (fromval),
TYPE_LENGTH (value_type (fromval)) * TARGET_CHAR_BIT -
bits, bits);
value_contents (fromval), from_size - bits, bits);
else
move_bits (buffer, value_bitpos (toval), value_contents (fromval),
0, bits);