Re: [PATCH 2/2] [gdb/testsuite] Fix gdb.base/msym-lang.exp on ppc64-linux

[Kevin Buettner <kevinb@redhat.com>]

On Sun,  2 Aug 2026 11:34:21 +0200
Tom de Vries <tdevries@suse.de> wrote:

> On x86_64-linux, with test-case gdb.base/msym-lang.exp we get:
> ...
> (gdb) info func foo
> All functions matching regular expression "foo":
> 
> Non-debugging symbols:
> 0x0000000000401116  foo()
> 0x000000000040112c  foo()
> (gdb) PASS: $exp: info func foo
> ...
> 
> But on ppc64-linux, we get:
> ...
> (gdb) info func foo
> All functions matching regular expression "foo":
> 
> Non-debugging symbols:
> 0x0000000000000914  .foo()
> 0x0000000000000974  .foo()
> (gdb) FAIL: $exp: info func foo
> ...
> 
> The dot prefix is due to the function descriptors used in the PPC v1 ABI.
> 
> Fix this by allowing the dot prefix.
> 
> Tested on x86_64-linux and ppc64-linux.
> ---
>  gdb/testsuite/gdb.base/msym-lang.exp | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/gdb/testsuite/gdb.base/msym-lang.exp b/gdb/testsuite/gdb.base/msym-lang.exp
> index d0beddea417..38521e4ebf7 100644
> --- a/gdb/testsuite/gdb.base/msym-lang.exp
> +++ b/gdb/testsuite/gdb.base/msym-lang.exp
> @@ -20,4 +20,11 @@ if {[prepare_for_testing "failed to prepare" $testfile [list $srcfile $srcfile2]
>      return
>  }
>  
> -gdb_test "info func foo" ".* foo\\(\\).* foo\\(\\).*"
> +# The optional leading dot is for ppc64 v1 ABI function descriptors.
> +set re_foo [quotemeta {@/[.]?/foo()}]
> +
> +gdb_test "info func foo" \
> +    [multi_line \
> +	 "Non-debugging symbols:" \
> +	 "$hex  $re_foo" \
> +	 "$hex  $re_foo"]
> -- 
> 2.51.0
> 

LGTM.

Approved-By: Kevin Buettner <kevinb@redhat.com>