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delete ada-lang.c::move_bits, sharing and re-using copy_bitwise instead

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This patch deletes ada-lang.c's move_bits function entirely, and
replaces all calls to it by calls to copy_bitwise instead. Because
the latter function was declared locally inside dwarf2loc.c, this
patch also move the function to a common area, and makes it non-static.

gdb/ChangeLog:

        * ada-lang.c (move_bits): Delete. Update all callers to use
        copy_bitwise instead.
        * dwarf2loc.c (copy_bitwise, bits_to_str::bits_to_str)
        (selftests::check_copy_bitwise, selftests::copy_bitwise_tests):
        Move from here to utils.c.
        (_initialize_dwarf2loc): Remove call to register copy_bitwise
        selftests.
        * utils.h (copy_bitwise): Add declaration.
        * utils.c (copy_bitwise, bits_to_str::bits_to_str)
        (selftests::check_copy_bitwise, selftests::copy_bitwise_tests):
        Moved here from dwarf2loc.c.
        (_initialize_utils): Register copy_bitwise selftests.

Tested on x86_64-linux, no regression. Also tested using AdaCore's
testsuite on a collection of small endian and big endian platforms.
This commit is contained in:
Joel Brobecker 2018-11-14 18:18:49 -05:00
parent 8b2d40cbba
commit a99bc3d23c
5 changed files with 262 additions and 312 deletions
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8
gdb/utils.h
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@ -519,4 +519,12 @@ extern void dump_core (void);
extern char *make_hex_string (const gdb_byte *data, size_t length);
/* Copy NBITS bits from SOURCE to DEST starting at the given bit
offsets. Use the bit order as specified by BITS_BIG_ENDIAN.
Source and destination buffers must not overlap. */
extern void copy_bitwise (gdb_byte *dest, ULONGEST dest_offset,
const gdb_byte *source, ULONGEST source_offset,
ULONGEST nbits, int bits_big_endian);
#endif /* UTILS_H */