Re: DW_OP_piece coming in gcc 3.4

Kevin Buettner
2004-01-30T05:52:01Z

On Fri, 30 Jan 2004 00:27:57 -0500 (EST)
mec.gnu@mindspring.com (Michael Elizabeth Chastain) wrote:

> I'm getting this with gcc-3_4-branch -gdwarf-2:
>
> (gdb) PASS: gdb.base/store.exp: up print old l - longest
> print r^M
> Unhandled dwarf expression opcode 0x93^M
> (gdb) FAIL: gdb.base/store.exp: up print old r - longest
>
> We need a strategic decision:
>
> (1) Implement DW_OP_piece in time for gdb 6.1.
> (2) Ask gcc to not emit DW_OP_piece in gcc 3.4.
> (3) File a PR (or tag onto PR gdb/1312 but that's not really right),
> KFAIL the tests, add a note to PROBLEMS.
>
> I don't know which strategy is good for gdb.
>
> What will it be?

The "right" thing is to get DW_OP_piece support into gdb (#1). I'm
firmly against #2. #3 may be an acceptable as a short term solution,
but I'm none too fond of it either.

So, I vote for #1.

Kevin