[Bug testsuite/114642] New: new test case gcc.dg/debug/btf/btf-datasec-3.c from r14-6195-gb8cf266f4ca4ff fails for 32 bits

[Bug testsuite/114642] New: new test case gcc.dg/debug/btf/btf-datasec-3.c from r14-6195-gb8cf266f4ca4ff fails for 32 bits

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114642

            Bug ID: 114642
           Summary: new test case gcc.dg/debug/btf/btf-datasec-3.c from
                    r14-6195-gb8cf266f4ca4ff fails for 32 bits
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:b8cf266f4ca4ff89704b190c827abf9ea7e7b5bf, r14-6195-gb8cf266f4ca4ff

I only see this failing on 32 bit.

make  -k check-gcc RUNTESTFLAGS="--target_board=unix'{-m32}'
btf.exp=gcc.dg/debug/btf/btf-datasec-3.c"
FAIL: gcc.dg/debug/btf/btf-datasec-3.c scan-assembler-times bts_type 3
FAIL: gcc.dg/debug/btf/btf-datasec-3.c scan-assembler-times bts_type:
\\(BTF_KIND_VAR 'test_data2'\\) 1
FAIL: gcc.dg/debug/btf/btf-datasec-3.c scan-assembler-times bts_type:
\\(BTF_KIND_VAR 'test_bss2'\\) 1
# of expected passes            2
# of unexpected failures        3


Author: David Faust <david.faust@oracle.com>
Date:   Mon Dec 4 14:08:03 2023 -0800

    btf: avoid wrong DATASEC entries for extern vars [PR112849]

        * gcc.dg/debug/btf/btf-datasec-3.c: New test.

[Bug testsuite/114642] new test case gcc.dg/debug/btf/btf-datasec-3.c from r14-6195-gb8cf266f4ca4ff fails for 32 bits

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114642

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|powerpc64-linux-gnu         |powerpc-linux-gnu mips*-*-*
                   |                            |riscv*-*-*
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=112849
           Keywords|                            |testsuite-fail
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2024-04-09

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. This does seem like a testsuite issue. With `-G0` (which disables
small data opt) the testcases passes. So I suspect this will also fail on
mips*-*-* too.

It also fails for riscv*-*-* (where the option to disable small data is
-msmall-data-limit=0).

[Bug testsuite/114642] new test case gcc.dg/debug/btf/btf-datasec-3.c from r14-6195-gb8cf266f4ca4ff fails for 32 bits

[linkw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114642

Kewen Lin <linkw at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |https://gcc.gnu.org/piperma
                   |                            |il/gcc-patches/2024-April/6
                   |                            |48994.html
                 CC|                            |linkw at gcc dot gnu.org
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |david.faust at oracle dot com

--- Comment #2 from Kewen Lin <linkw at gcc dot gnu.org> ---
David posted a fix (see URL).

[Bug testsuite/114642] new test case gcc.dg/debug/btf/btf-datasec-3.c from r14-6195-gb8cf266f4ca4ff fails for 32 bits

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114642

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Kewen Lin from comment #2)
> David posted a fix (see URL).

Oh yes that should fix it for MIPS and RISCV too.

[Bug testsuite/114642] new test case gcc.dg/debug/btf/btf-datasec-3.c from r14-6195-gb8cf266f4ca4ff fails for 32 bits

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114642

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Faust <dfaust@gcc.gnu.org>:

https://gcc.gnu.org/g:639215c5eb6c56ba3830cd868d1d3ddd700b4c90

commit r14-9878-g639215c5eb6c56ba3830cd868d1d3ddd700b4c90
Author: David Faust <david.faust@oracle.com>
Date:   Mon Apr 8 13:33:48 2024 -0700

    btf: improve btf-datasec-3.c test [PR114642]

    This test failed on powerpc --target_board=unix'{-m32}' because two
    variables were not placed in sections where the test silently (and
    incorrectly) assumed they would be.

    The important thing for the test is only that BTF_KIND_DATASEC entries
    are NOT generated for the extern variable declarations without an
    explicit section attribute.  Make the test more robust by placing the
    non-extern variables in explicit sections, and invert the checks to
    more accurately verify what we care about in this test.

    gcc/testsuite/
            PR testsuite/114642
            * gcc.dg/debug/btf/btf-datasec-3.c: Make test more robust on
different
            architectures.