[1/3] elf: Record main program constructor/destructor in ordering tests

Message ID 7956993aec569453b3d537dffbfd7962f159a3b6.1695113064.git.fweimer@redhat.com
State Dropped
Headers
Series Fine-tune ELF destructor ordering (bug 30869) |

Checks

Context Check Description
redhat-pt-bot/TryBot-apply_patch success Patch applied to master at the time it was sent
linaro-tcwg-bot/tcwg_glibc_build--master-arm success Testing passed
linaro-tcwg-bot/tcwg_glibc_check--master-aarch64 success Testing passed
linaro-tcwg-bot/tcwg_glibc_check--master-arm success Testing passed
linaro-tcwg-bot/tcwg_glibc_build--master-aarch64 success Testing passed

Commit Message

Florian Weimer Sept. 19, 2023, 8:48 a.m. UTC
  Previously, the ordering was not capture in the test output.  Adjust
expected test output accordingly.  Note that after commit 6985865bc3a
("elf: Always call destructors in reverse constructor order
(bug 30785)"), the main program destructors in tst-bz28937 run last
(which is bug XXX).
---
 elf/dso-sort-tests-1.def     | 24 ++++++++++++------------
 elf/dso-sort-tests-2.def     |  4 ++--
 scripts/dso-ordering-test.py | 32 +++++++++++++++++++++-----------
 3 files changed, 35 insertions(+), 25 deletions(-)
  

Comments

Andreas Schwab Sept. 19, 2023, 8:56 a.m. UTC | #1
On Sep 19 2023, Florian Weimer wrote:

> Previously, the ordering was not capture in the test output.  Adjust
                                   captured
  
Florian Weimer Sept. 19, 2023, 9:30 a.m. UTC | #2
* Andreas Schwab:

> On Sep 19 2023, Florian Weimer wrote:
>
>> Previously, the ordering was not capture in the test output.  Adjust
>                                    captured

Thanks, fixed locally.
  
Carlos O'Donell Sept. 19, 2023, 12:41 p.m. UTC | #3
On 9/19/23 04:48, Florian Weimer wrote:
> Previously, the ordering was not capture in the test output.  Adjust

s/capture/captured/g (as noted by Andreas)

> expected test output accordingly.  Note that after commit 6985865bc3a
> ("elf: Always call destructors in reverse constructor order
> (bug 30785)"), the main program destructors in tst-bz28937 run last
> (which is bug XXX).

Do we need to fill in bug XXX?

> ---
>  elf/dso-sort-tests-1.def     | 24 ++++++++++++------------
>  elf/dso-sort-tests-2.def     |  4 ++--
>  scripts/dso-ordering-test.py | 32 +++++++++++++++++++++-----------
>  3 files changed, 35 insertions(+), 25 deletions(-)
> 
> diff --git a/elf/dso-sort-tests-1.def b/elf/dso-sort-tests-1.def
> index 61dc54f8ae..cefc474e4f 100644
> --- a/elf/dso-sort-tests-1.def
> +++ b/elf/dso-sort-tests-1.def
> @@ -8,59 +8,59 @@ tunable_option: glibc.rtld.dynamic_sort=2
>  
>  # Sequence of single dependencies with no cycles.
>  tst-dso-ordering1: a->b->c
> -output: c>b>a>{}<a<b<c
> +output: c>b>a>.>{}<.<a<b<c
>  
>  # Sequence including 2 dependent DSOs not at the end of the graph.
>  tst-dso-ordering2: a->b->[cd]->e
> -output: e>d>c>b>a>{}<a<b<c<d<e
> +output: e>d>c>b>a>.>{}<.<a<b<c<d<e
>  
>  # Complex order with 3 "layers" of full dependencies
>  tst-dso-ordering3: a->[bc]->[def]->[gh]->i
> -output: i>h>g>f>e>d>c>b>a>{}<a<b<c<d<e<f<g<h<i
> +output: i>h>g>f>e>d>c>b>a>.>{}<.<a<b<c<d<e<f<g<h<i
>  
>  # Sequence including 2 dependent DSOs at the end of the graph.
>  # Additionally the same dependencies appear in two paths.
>  tst-dso-ordering4: a->b->[de];a->c->d->e
> -output: e>d>c>b>a>{}<a<b<c<d<e
> +output: e>d>c>b>a>.>{}<.<a<b<c<d<e
>  
>  # Test that b->c cross link is respected correctly
>  tst-dso-ordering5: a!->[bc]->d;b->c
> -output: d>c>b>a>{}<a<b<c<d
> +output: d>c>b>a>.>{}<.<a<b<c<d
>  
>  # First DSO fully dependent on 4 DSOs, with another DSO at the end of chain.
>  tst-dso-ordering6: a->[bcde]->f
> -output: f>e>d>c>b>a>{}<a<b<c<d<e<f
> +output: f>e>d>c>b>a>.>{}<.<a<b<c<d<e<f
>  
>  # Sequence including 2 dependent and 3 dependent DSOs, and one of the
>  # dependent DSOs is dependent on an earlier DSO.
>  tst-dso-ordering7: a->[bc];b->[cde];e->f
> -output: f>e>d>c>b>a>{}<a<b<c<d<e<f
> +output: f>e>d>c>b>a>.>{}<.<a<b<c<d<e<f
>  
>  # Sequence where the DSO c is unerlinked and calls a function in DSO a which
>  # is technically a cycle.  The main executable depends on the first two DSOs.
>  # Note: This test has unspecified behavior.
>  tst-dso-ordering8: a->b->c=>a;{}->[ba]
> -output: c>b>a>{}<a<b<c
> +output: c>b>a>.>{}<.<a<b<c
>  
>  # Generate the permutation of DT_NEEDED order between the main binary and
>  # all 5 DSOs; all link orders should produce exact same init/fini ordering
>  tst-dso-ordering9: a->b->c->d->e;{}!->[abcde]
> -output: e>d>c>b>a>{}<a<b<c<d<e
> +output: e>d>c>b>a>.>{}<.<a<b<c<d<e
>  
>  # Test if init/fini ordering behavior is proper, despite main program with
>  # an soname that may cause confusion
>  tst-dso-ordering10: {}->a->b->c;soname({})=c
> -output: b>a>{}<a<b
> +output: b>a>.>{}<.<a<b
>  
>  # Complex example from Bugzilla #15311, under-linked and with circular
>  # relocation(dynamic) dependencies. For both sorting algorithms, the
>  # destruction order is the reverse of the construction order, and
>  # relocation dependencies are not taken into account.
>  tst-bz15311: {+a;+e;+f;+g;+d;%d;-d;-g;-f;-e;-a};a->b->c->d;d=>[ba];c=>a;b=>e=>a;c=>f=>b;d=>g=>c
> -output: {+a[d>c>b>a>];+e[e>];+f[f>];+g[g>];+d[];%d(b(e(a()))a()g(c(a()f(b(e(a()))))));-d[];-g[];-f[];-e[];-a[<g<f<e<a<b<c<d];}
> +output: .>{+a[d>c>b>a>];+e[e>];+f[f>];+g[g>];+d[];%d(b(e(a()))a()g(c(a()f(b(e(a()))))));-d[];-g[];-f[];-e[];-a[<g<f<e<a<b<c<d];}<.
>  
>  # Test that even in the presence of dependency loops involving dlopen'ed
>  # object, that object is initialized last (and not unloaded prematurely).
>  # Final destructor order is the opposite of constructor order.
>  tst-bz28937: {+a;+b;-b;+c;%c};a->a1;a->a2;a2->a;b->b1;c->a1;c=>a1
> -output: {+a[a2>a1>a>];+b[b1>b>];-b[<b<b1];+c[c>];%c(a1());}<c<a<a1<a2
> +output: .>{+a[a2>a1>a>];+b[b1>b>];-b[<b<b1];+c[c>];%c(a1());}<c<a<a1<a2<.

OK. Adjust testing with "." for main executable.

> diff --git a/elf/dso-sort-tests-2.def b/elf/dso-sort-tests-2.def
> index b79e79ecb7..73792de53b 100644
> --- a/elf/dso-sort-tests-2.def
> +++ b/elf/dso-sort-tests-2.def
> @@ -610,5 +610,5 @@ M30X22
>  M30X23
>  M30X24
>  M30X25
> -xfail_output(glibc.rtld.dynamic_sort=1): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M27X14>M28X18>M27X15>M28X13>M27X11>M28X23>M27X25>M28X14>M28X25>M27X23>M27X22>M28X24>M27X21>M27X13>M27X19>M27X17>M26X11>M26X23>M26X21>M26X22>M26X20>M26X16>M25X21>M17X22>M15X15>M20X14>M20X16>M18X18>M28X12>M27X24>M25X17>M27X20>M26X18>M26X17>M27X16>M26X19>M25X18>M26X24>M25X20>M24X17>M23X18>M25X13>M26X13>M17X23>M16X16>M26X12>M25X12>M26X15>M24X19>M25X23>M25X24>M25X25>M24X20>M25X19>M24X21>M23X17>M22X21>M24X14>M23X22>M24X24>M22X20>M24X13>M25X11>M24X12>M25X15>M23X15>M25X16>M24X22>M23X13>M24X18>M23X14>M22X22>M21X20>M24X25>M23X16>M22X25>M21X19>M22X14>M23X11>M22X15>M21X18>M22X19>M21X17>M20X17>M19X17>M21X24>M21X12>M20X22>M19X16>M18X25>M19X21>M19X20>M18X24>M20X12>M19X11>M23X20>M22X24>M22X16>M21X21>M25X14>M23X19>M23X24>M20X24>M19X12>M18X15>M17X14>M16X18>M14X25>M16X22>M16X20>M17X17>M22X12>M21X11>M20X15>M18X22>M19X24>M19X18>M18X21>M17X16>M17X18>M16X21>M15X20>M19X22>M18X20>M18X11>M17X19>M16X17>M15X21>M16X14>M16X13>M15X22>M14X20>M17X25>M16X19>M14X21>M13X24>M12X12>M16X24>M15X23>M14X16>M16X15>M15X25>M15X11>M15X12>M14X15>M13X14>M14X22>M13X20>M12X13>M11X11>M22X23>M21X15>M21X16>M20X21>M20X20>M18X17>M19X25>M18X23>M21X13>M15X17>M15X18>M18X19>M17X24>M16X12>M17X13>M20X25>M19X23>M15X19>M14X13>M13X18>M15X13>M17X12>M16X11>M18X13>M18X12>M14X11>M14X24>M13X19>M15X14>M17X20>M20X11>M20X13>M21X14>M15X24>M14X12>M13X22>M14X23>M13X23>M14X19>M17X15>M16X25>M17X11>M18X14>M19X19>M21X25>M13X12>M13X11>M14X18>M13X13>M12X11>M15X16>M14X14>M27X12>M17X21>M20X23>M22X13>M21X22>M24X16>M24X15>M26X25>M23X25>M26X14>M23X12>M22X18>M24X11>M16X23>M19X14>M19X13>M21X23>M22X17>M23X23>M23X21>M25X22>M18X16>M19X15>M20X18>M20X19>M22X11>M24X23>C156>C118>C143>C137>C147>C106>C168>C113>C163>C155>C105>C146>C187>A150>C139>C180>C164>C193>C157>A191>C158>B188>A159>C184>C121>C154>B171>A105>C131>C104>B104>C161>C111>B145>C160>B155>A163>C112>C142>B148>C133>B198>A198>A115>C114>B157>A156>C175>B144>A120>C173>B184>A174>C126>B107>A139>C194>B194>A194>C116>B116>C166>B160>B110>A110>C128>B128>A128>C179>B162>A154>C186>B187>A179>C124>B181>A101>C153>B158>A136>C135>C176>A192>B133>A133>C177>B177>A177>C185>C103>B141>A141>C183>A162>C192>C129>B179>C144>B124>B183>C127>B127>A127>B108>A112>B153>A153>C167>B167>A186>A122>C162>A144>B149>C174>B131>A185>C141>B106>A126>A167>C140>B122>A170>C198>B143>C117>C123>B123>A147>A106>C200>B169>C191>B175>A123>B118>A182>C132>B151>A145>A104>A109>C159>C150>B119>A119>A178>B164>B114>A164>C181>A102>C122>B134>A157>A116>C195>B191>B111>C172>B172>A118>B129>A129>C149>A107>C170>B197>A197>A173>B168>A132>C107>B165>A160>A131>C188>A168>B109>C178>A189>A148>C119>C190>C120>B166>B176>C108>B135>B139>A103>B178>A169>B132>C125>C138>B163>A111>B170>C110>A165>C151>C169>C199>A138>C182>A135>B101>B142>C101>C148>B193>B152>A158>A199>C136>B137>A161>B120>A108>A149>A125>B113>A184>C171>A134>A175>A124>B150>B161>B102>A146>A187>C130>B192>B200>A200>A142>A183>C102>B105>B156>A176>C165>B147>A137>A196>B190>A190>B125>C134>C189>B126>B186>A166>B136>B195>A195>B154>B138>B112>B173>A117>B159>B182>A181>A140>C145>B117>A152>A193>C197>B130>A172>A113>A151>B115>A143>B140>B185>B103>A121>A180>A130>A171>B199>C196>B146>B180>C115>B174>B121>A188>B196>B189>C152>C109>A155>A114>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>{}<M11X12<M11X13<M11X14<M11X15<M11X16<M11X17<M11X18<M11X19<M11X20<M11X21<M11X22<M11X23<M11X24<M11X25<M12X24<M12X23<M12X22<M12X20<M12X19<M12X18<M12X16<M13X21<M12X15<M13X25<M12X14<M12X25<M12X21<M12X17<M13X17<M13X16<M13X15<M14X17<A114<A155<C109<C152<B189<B196<A188<B121<B174<C115<B180<B146<C196<B199<A171<A130<A180<A121<B103<B185<B140<A143<B115<A151<A113<A172<B130<C197<A193<A152<B117<C145<A140<A181<B182<B159<A117<B173<B112<B138<B154<A195<B195<B136<A166<B186<B126<C189<C134<B125<A190<B190<A196<A137<B147<C165<A176<B156<B105<C102<A183<A142<A200<B200<B192<C130<A187<A146<B102<B161<B150<A124<A175<A134<C171<A184<B113<A125<A149<A108<B120<A161<B137<C136<A199<A158<B152<B193<C148<C101<B142<B101<A135<C182<A138<C199<C169<C151<A165<C110<B170<A111<B163<C138<C125<B132<A169<B178<A103<B139<B135<C108<B176<B166<C120<C190<C119<A148<A189<C178<B109<A168<C188<A131<A160<B165<C107<A132<B168<A173<A197<B197<C170<A107<C149<A129<B129<A118<B172<C172<B111<B191<C195<A116<A157<B134<C122<A102<C181<A164<B114<B164<A178<A119<B119<C150<C159<A109<A104<A145<B151<C132<A182<B118<A123<B175<C191<B169<C200<A106<A147<B123<C123<C117<B143<C198<A170<B122<C140<A167<A126<B106<C141<A185<B131<C174<B149<A144<C162<A122<A186<B167<C167<A153<B153<A112<B108<A127<B127<C127<B183<B124<C144<B179<C129<C192<A162<C183<A141<B141<C103<C185<A177<B177<C177<A133<B133<A192<C176<C135<A136<B158<C153<A101<B181<C124<A179<B187<C186<A154<B162<C179<A128<B128<C128<A110<B110<B160<C166<B116<C116<A194<B194<C194<A139<B107<C126<A174<B184<C173<A120<B144<C175<A156<B157<C114<A115<A198<B198<C133<B148<C142<C112<A163<B155<C160<B145<C111<C161<B104<C104<C131<A105<B171<C154<C121<C184<A159<B188<C158<A191<C157<C193<C164<C180<C139<A150<C187<C146<C105<C155<C163<C113<C168<C106<C147<C137<C143<C118<C156<M24X23<M22X11<M20X19<M20X18<M19X15<M18X16<M25X22<M23X21<M23X23<M22X17<M21X23<M19X13<M19X14<M16X23<M24X11<M22X18<M23X12<M26X14<M23X25<M26X25<M24X15<M24X16<M21X22<M22X13<M20X23<M17X21<M27X12<M14X14<M15X16<M12X11<M13X13<M14X18<M13X11<M13X12<M21X25<M19X19<M18X14<M17X11<M16X25<M17X15<M14X19<M13X23<M14X23<M13X22<M14X12<M15X24<M21X14<M20X13<M20X11<M17X20<M15X14<M13X19<M14X24<M14X11<M18X12<M18X13<M16X11<M17X12<M15X13<M13X18<M14X13<M15X19<M19X23<M20X25<M17X13<M16X12<M17X24<M18X19<M15X18<M15X17<M21X13<M18X23<M19X25<M18X17<M20X20<M20X21<M21X16<M21X15<M22X23<M11X11<M12X13<M13X20<M14X22<M13X14<M14X15<M15X12<M15X11<M15X25<M16X15<M14X16<M15X23<M16X24<M12X12<M13X24<M14X21<M16X19<M17X25<M14X20<M15X22<M16X13<M16X14<M15X21<M16X17<M17X19<M18X11<M18X20<M19X22<M15X20<M16X21<M17X18<M17X16<M18X21<M19X18<M19X24<M18X22<M20X15<M21X11<M22X12<M17X17<M16X20<M16X22<M14X25<M16X18<M17X14<M18X15<M19X12<M20X24<M23X24<M23X19<M25X14<M21X21<M22X16<M22X24<M23X20<M19X11<M20X12<M18X24<M19X20<M19X21<M18X25<M19X16<M20X22<M21X12<M21X24<M19X17<M20X17<M21X17<M22X19<M21X18<M22X15<M23X11<M22X14<M21X19<M22X25<M23X16<M24X25<M21X20<M22X22<M23X14<M24X18<M23X13<M24X22<M25X16<M23X15<M25X15<M24X12<M25X11<M24X13<M22X20<M24X24<M23X22<M24X14<M22X21<M23X17<M24X21<M25X19<M24X20<M25X25<M25X24<M25X23<M24X19<M26X15<M25X12<M26X12<M16X16<M17X23<M26X13<M25X13<M23X18<M24X17<M25X20<M26X24<M25X18<M26X19<M27X16<M26X17<M26X18<M27X20<M25X17<M27X24<M28X12<M18X18<M20X16<M20X14<M15X15<M17X22<M25X21<M26X16<M26X20<M26X22<M26X21<M26X23<M26X11<M27X17<M27X19<M27X13<M27X21<M28X24<M27X22<M27X23<M28X25<M28X14<M27X25<M28X23<M27X11<M28X13<M27X15<M28X18<M27X14<M28X22<M28X11<M28X17<M29X11<M27X18<M28X21<M28X16<M28X15<M28X20<M29X14<M29X25<M29X21<M28X19<M29X18<M29X17<M29X13<M29X24<M29X16<M29X23<M29X19<M30X25<M29X22<M30X21<M30X22<M29X12<M29X15<M30X18<M30X20<M30X24<M30X23<M29X20<M30X14<M30X13<M30X17<M30X12<M30X11<M30X16<M30X15<M30X19
> -output(glibc.rtld.dynamic_sort=2): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M28X24>M28X23>M27X21>M28X13>M27X20>M27X19>M26X14>M27X25>M28X18>M27X11>M28X25>M27X24>M26X24>M27X15>M27X14>M27X13>M26X23>M27X17>M26X22>M25X13>M28X14>M27X16>M26X19>M26X18>M27X23>M27X22>M26X17>M25X18>M26X21>M25X17>M26X20>M26X15>M26X13>M25X19>M24X14>M25X23>M26X11>M26X25>M25X16>M25X15>M24X22>M25X21>M25X20>M24X21>M25X25>M25X24>M24X20>M23X13>M22X15>M25X14>M24X19>M23X17>M24X25>M23X24>M24X13>M23X15>M24X18>M23X14>M22X11>M24X15>M23X22>M24X11>M23X19>M22X21>M24X24>M23X21>M22X20>M23X25>M22X19>M21X24>M20X23>M22X22>M25X11>M23X16>M22X18>M23X20>M22X17>M21X21>M21X20>M20X24>M22X14>M22X13>M21X11>M21X17>M22X23>M21X16>M20X25>M19X23>M18X16>M21X22>M20X20>M20X19>M21X13>M20X18>M19X13>M21X18>M20X21>M19X24>M18X12>M20X14>M20X13>M22X25>M20X12>M20X15>M19X14>M18X22>M19X18>M20X17>M19X17>M19X16>M18X21>M17X20>M19X19>M18X13>M17X11>M18X17>M19X25>M18X15>M17X25>M18X19>M17X24>M16X19>M15X17>M17X21>M16X24>M18X23>M17X16>M16X25>M19X15>M18X25>M17X23>M16X23>M15X23>M18X14>M17X14>M16X14>M17X18>M16X13>M17X22>M16X12>M15X22>M14X16>M17X12>M16X22>M15X12>M16X11>M15X11>M16X15>M15X25>M14X15>M13X14>M15X18>M16X21>M15X16>M14X21>M15X14>M16X20>M15X13>M14X22>M15X20>M14X20>M13X20>M14X11>M15X19>M14X24>M13X19>M14X13>M13X18>M12X13>M15X24>M14X23>M13X12>M14X12>M13X11>M12X11>M11X11>M21X12>M20X11>M19X11>M18X11>M17X15>M16X18>M14X25>M14X19>M13X24>M13X23>M13X22>M12X12>M22X12>M21X15>M19X22>M18X20>M16X17>M14X14>M24X12>M23X23>M22X16>M21X14>M20X22>M18X24>M16X16>M26X12>M24X16>M23X11>M21X23>M19X20>M17X17>M27X12>M26X16>M25X22>M24X17>M23X18>M21X25>M19X12>M17X19>M15X21>M14X18>M13X13>M23X12>M21X19>M19X21>M17X13>M15X15>M25X12>M24X23>M22X24>M20X16>M18X18>M28X12>A150>C158>B112>A112>C167>B146>A146>C180>B180>A180>C143>B143>A115>C126>B126>A126>C190>B190>A190>C138>B138>A138>C174>B174>A102>C122>B122>A122>C162>B162>A162>C142>B142>A142>C102>B102>A174>C176>B176>A176>C115>B115>A143>C172>B172>A172>C187>B187>A187>C130>B130>A130>C118>B118>A118>C184>B184>A184>C171>B171>A171>C168>B182>A182>C182>B168>A168>C109>B109>A109>C159>B159>A159>C134>B134>A134>C146>B167>A167>C140>B140>A140>C163>B163>A163>C112>B158>A158>C164>B164>A164>C131>B131>A131>C188>B188>A188>C199>B199>A199>C114>B114>A114>C106>B106>A106>C200>B200>A200>C183>B183>A183>C152>B152>A152>C147>B147>A147>C150>B150>A198>C144>B144>A144>C191>B191>A191>C108>B108>A108>C139>B139>A139>C194>B194>A194>C166>B166>A166>C120>B120>A120>C123>B123>A123>C132>B132>A132>C107>B107>A107>C170>B170>A170>C198>B198>A156>C125>B125>A125>C121>B121>A121>C193>B193>A193>C197>B197>A197>C175>B175>A175>C196>B196>A196>C105>B105>A105>C181>B181>A181>C113>B113>A113>C137>B137>A137>C155>B155>A155>C156>B156>A110>C128>B128>A128>C179>B179>A179>C124>B124>A124>C151>B151>A151>C178>B178>A178>C104>B104>A104>C111>B111>A111>C148>B148>A148>C169>B169>A169>C129>B129>A129>C149>B149>A149>C189>B189>A189>C119>B119>A119>C154>B154>A154>C136>B136>A136>C135>B135>A135>C116>B116>A116>C145>B145>A145>C161>B161>A161>C173>B173>A173>C157>B157>A157>C195>B195>A195>C186>B186>A186>C160>B160>A160>C153>B153>A153>C117>B117>A117>C165>B165>A165>C101>B101>A101>C103>B103>A103>C192>B192>A192>C177>B177>A177>C185>B185>A185>C141>B141>A141>C133>B133>A133>C127>B127>A127>C110>B110>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>{}<M11X12<M11X13<M11X14<M11X15<M11X16<M11X17<M11X18<M11X19<M11X20<M11X21<M11X22<M11X23<M11X24<M11X25<M12X24<M12X23<M12X22<M12X20<M12X19<M12X18<M12X16<M13X21<M12X15<M13X25<M12X14<M12X25<M12X21<M12X17<M13X17<M13X16<M13X15<M14X17<B110<C110<A127<B127<C127<A133<B133<C133<A141<B141<C141<A185<B185<C185<A177<B177<C177<A192<B192<C192<A103<B103<C103<A101<B101<C101<A165<B165<C165<A117<B117<C117<A153<B153<C153<A160<B160<C160<A186<B186<C186<A195<B195<C195<A157<B157<C157<A173<B173<C173<A161<B161<C161<A145<B145<C145<A116<B116<C116<A135<B135<C135<A136<B136<C136<A154<B154<C154<A119<B119<C119<A189<B189<C189<A149<B149<C149<A129<B129<C129<A169<B169<C169<A148<B148<C148<A111<B111<C111<A104<B104<C104<A178<B178<C178<A151<B151<C151<A124<B124<C124<A179<B179<C179<A128<B128<C128<A110<B156<C156<A155<B155<C155<A137<B137<C137<A113<B113<C113<A181<B181<C181<A105<B105<C105<A196<B196<C196<A175<B175<C175<A197<B197<C197<A193<B193<C193<A121<B121<C121<A125<B125<C125<A156<B198<C198<A170<B170<C170<A107<B107<C107<A132<B132<C132<A123<B123<C123<A120<B120<C120<A166<B166<C166<A194<B194<C194<A139<B139<C139<A108<B108<C108<A191<B191<C191<A144<B144<C144<A198<B150<C150<A147<B147<C147<A152<B152<C152<A183<B183<C183<A200<B200<C200<A106<B106<C106<A114<B114<C114<A199<B199<C199<A188<B188<C188<A131<B131<C131<A164<B164<C164<A158<B158<C112<A163<B163<C163<A140<B140<C140<A167<B167<C146<A134<B134<C134<A159<B159<C159<A109<B109<C109<A168<B16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> +xfail_output(glibc.rtld.dynamic_sort=1): 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<C128<A110<B110<B160<C166<B116<C116<A194<B194<C194<A139<B107<C126<A174<B184<C173<A120<B144<C175<A156<B157<C114<A115<A198<B198<C133<B148<C142<C112<A163<B155<C160<B145<C111<C161<B104<C104<C131<A105<B171<C154<C121<C184<A159<B188<C158<A191<C157<C193<C164<C180<C139<A150<C187<C146<C105<C155<C163<C113<C168<C106<C147<C137<C143<C118<C156<M24X23<M22X11<M20X19<M20X18<M19X15<M18X16<M25X22<M23X21<M23X23<M22X17<M21X23<M19X13<M19X14<M16X23<M24X11<M22X18<M23X12<M26X14<M23X25<M26X25<M24X15<M24X16<M21X22<M22X13<M20X23<M17X21<M27X12<M14X14<M15X16<M12X11<M13X13<M14X18<M13X11<M13X12<M21X25<M19X19<M18X14<M17X11<M16X25<M17X15<M14X19<M13X23<M14X23<M13X22<M14X12<M15X24<M21X14<M20X13<M20X11<M17X20<M15X14<M13X19<M14X24<M14X11<M18X12<M18X13<M16X11<M17X12<M15X13<M13X18<M14X13<M15X19<M19X23<M20X25<M17X13<M16X12<M17X24<M18X19<M15X18<M15X17<M21X13<M18X23<M19X25<M18X17<M20X20<M20X21<M21X16<M21X15<M22X23<M11X11<M12X13<M13X20<M14X22<M13X14<M14X15<M15X12<M15X11<M15X25<M16X15<M14X16<M15X23<M16X24<M12X12<M13X24<M14X21<M16X19<M17X25<M14X20<M15X22<M16X13<M16X14<M15X21<M16X17<M17X19<M18X11<M18X20<M19X22<M15X20<M16X21<M17X18<M17X16<M18X21<M19X18<M19X24<M18X22<M20X15<M21X11<M22X12<M17X17<M16X20<M16X22<M14X25<M16X18<M17X14<M18X15<M19X12<M20X24<M23X24<M23X19<M25X14<M21X21<M22X16<M22X24<M23X20<M19X11<M20X12<M18X24<M19X20<M19X21<M18X25<M19X16<M20X22<M21X12<M21X24<M19X17<M20X17<M21X17<M22X19<M21X18<M22X15<M23X11<M22X14<M21X19<M22X25<M23X16<M24X25<M21X20<M22X22<M23X14<M24X18<M23X13<M24X22<M25X16<M23X15<M25X15<M24X12<M25X11<M24X13<M22X20<M24X24<M23X22<M24X14<M22X21<M23X17<M24X21<M25X19<M24X20<M25X25<M25X24<M25X23<M24X19<M26X15<M25X12<M26X12<M16X16<M17X23<M26X13<M25X13<M23X18<M24X17<M25X20<M26X24<M25X18<M26X19<M27X16<M26X17<M26X18<M27X20<M25X17<M27X24<M28X12<M18X18<M20X16<M20X14<M15X15<M17X22<M25X21<M26X16<M26X20<M26X22<M26X21<M26X23<M26X11<M27X17<M27X19<M27X13<M27X21<M28X24<M27X22<M27X23<M28X25<M28X14<M27X25<M28X23<M27X11<M28X13<M27X15<M28X18<M27X14<M28X22<M28X11<M28X17<M29X11<M27X18<M28X21<M28X16<M28X15<M28X20<M29X14<M29X25<M29X21<M28X19<M29X18<M29X17<M29X13<M29X24<M29X16<M29X23<M29X19<M30X25<M29X22<M30X21<M30X22<M29X12<M29X15<M30X18<M30X20<M30X24<M30X23<M29X20<M30X14<M30X13<M30X17<M30X12<M30X11<M30X16<M30X15<M30X19
> +output(glibc.rtld.dynamic_sort=2): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M28X24>M28X23>M27X21>M28X13>M27X20>M27X19>M26X14>M27X25>M28X18>M27X11>M28X25>M27X24>M26X24>M27X15>M27X14>M27X13>M26X23>M27X17>M26X22>M25X13>M28X14>M27X16>M26X19>M26X18>M27X23>M27X22>M26X17>M25X18>M26X21>M25X17>M26X20>M26X15>M26X13>M25X19>M24X14>M25X23>M26X11>M26X25>M25X16>M25X15>M24X22>M25X21>M25X20>M24X21>M25X25>M25X24>M24X20>M23X13>M22X15>M25X14>M24X19>M23X17>M24X25>M23X24>M24X13>M23X15>M24X18>M23X14>M22X11>M24X15>M23X22>M24X11>M23X19>M22X21>M24X24>M23X21>M22X20>M23X25>M22X19>M21X24>M20X23>M22X22>M25X11>M23X16>M22X18>M23X20>M22X17>M21X21>M21X20>M20X24>M22X14>M22X13>M21X11>M21X17>M22X23>M21X16>M20X25>M19X23>M18X16>M21X22>M20X20>M20X19>M21X13>M20X18>M19X13>M21X18>M20X21>M19X24>M18X12>M20X14>M20X13>M22X25>M20X12>M20X15>M19X14>M18X22>M19X18>M20X17>M19X17>M19X16>M18X21>M17X20>M19X19>M18X13>M17X11>M18X17>M19X25>M18X15>M17X25>M18X19>M17X24>M16X19>M15X17>M17X21>M16X24>M18X23>M17X16>M16X25>M19X15>M18X25>M17X23>M16X23>M15X23>M18X14>M17X14>M16X14>M17X18>M16X13>M17X22>M16X12>M15X22>M14X16>M17X12>M16X22>M15X12>M16X11>M15X11>M16X15>M15X25>M14X15>M13X14>M15X18>M16X21>M15X16>M14X21>M15X14>M16X20>M15X13>M14X22>M15X20>M14X20>M13X20>M14X11>M15X19>M14X24>M13X19>M14X13>M13X18>M12X13>M15X24>M14X23>M13X12>M14X12>M13X11>M12X11>M11X11>M21X12>M20X11>M19X11>M18X11>M17X15>M16X18>M14X25>M14X19>M13X24>M13X23>M13X22>M12X12>M22X12>M21X15>M19X22>M18X20>M16X17>M14X14>M24X12>M23X23>M22X16>M21X14>M20X22>M18X24>M16X16>M26X12>M24X16>M23X11>M21X23>M19X20>M17X17>M27X12>M26X16>M25X22>M24X17>M23X18>M21X25>M19X12>M17X19>M15X21>M14X18>M13X13>M23X12>M21X19>M19X21>M17X13>M15X15>M25X12>M24X23>M22X24>M20X16>M18X18>M28X12>A150>C158>B112>A112>C167>B146>A146>C180>B180>A180>C143>B143>A115>C126>B126>A126>C190>B190>A190>C138>B138>A138>C174>B174>A102>C122>B122>A122>C162>B162>A162>C142>B142>A142>C102>B102>A174>C176>B176>A176>C115>B115>A143>C172>B172>A172>C187>B187>A187>C130>B130>A130>C118>B118>A118>C184>B184>A184>C171>B171>A171>C168>B182>A182>C182>B168>A168>C109>B109>A109>C159>B159>A159>C134>B134>A134>C146>B167>A167>C140>B140>A140>C163>B163>A163>C112>B158>A158>C164>B164>A164>C131>B131>A131>C188>B188>A188>C199>B199>A199>C114>B114>A114>C106>B106>A106>C200>B200>A200>C183>B183>A183>C152>B152>A152>C147>B147>A147>C150>B150>A198>C144>B144>A144>C191>B191>A191>C108>B108>A108>C139>B139>A139>C194>B194>A194>C166>B166>A166>C120>B120>A120>C123>B123>A123>C132>B132>A132>C107>B107>A107>C170>B170>A170>C198>B198>A156>C125>B125>A125>C121>B121>A121>C193>B193>A193>C197>B197>A197>C175>B175>A175>C196>B196>A196>C105>B105>A105>C181>B181>A181>C113>B113>A113>C137>B137>A137>C155>B155>A155>C156>B156>A110>C128>B128>A128>C179>B179>A179>C124>B124>A124>C151>B151>A151>C178>B178>A178>C104>B104>A104>C111>B111>A111>C148>B148>A148>C169>B169>A169>C129>B129>A129>C149>B149>A149>C189>B189>A189>C119>B119>A119>C154>B154>A154>C136>B136>A136>C135>B135>A135>C116>B116>A116>C145>B145>A145>C161>B161>A161>C173>B173>A173>C157>B157>A157>C195>B195>A195>C186>B186>A186>C160>B160>A160>C153>B153>A153>C117>B117>A117>C165>B165>A165>C101>B101>A101>C103>B103>A103>C192>B192>A192>C177>B177>A177>C185>B185>A185>C141>B141>A141>C133>B133>A133>C127>B127>A127>C110>B110>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>.>{}<.<M11X12<M11X13<M11X14<M11X15<M11X16<M11X17<M11X18<M11X19<M11X20<M11X21<M11X22<M11X23<M11X24<M11X25<M12X24<M12X23<M12X22<M12X20<M12X19<M12X18<M12X16<M13X21<M12X15<M13X25<M12X14<M12X25<M12X21<M12X17<M13X17<M13X16<M13X15<M14X17<B110<C110<A127<B127<C127<A133<B133<C133<A141<B141<C141<A185<B185<C185<A177<B177<C177<A192<B192<C192<A103<B103<C103<A101<B101<C101<A165<B165<C165<A117<B117<C117<A153<B153<C153<A160<B160<C160<A186<B186<C186<A195<B195<C195<A157<B157<C157<A173<B173<C173<A161<B161<C161<A145<B145<C145<A116<B116<C116<A135<B135<C135<A136<B136<C136<A154<B154<C154<A119<B119<C119<A189<B189<C189<A149<B149<C149<A129<B129<C129<A169<B169<C169<A148<B148<C148<A111<B111<C111<A104<B104<C104<A178<B178<C178<A151<B151<C151<A124<B124<C124<A179<B179<C179<A128<B128<C128<A110<B156<C156<A155<B155<C155<A137<B137<C137<A113<B113<C113<A181<B181<C181<A105<B105<C105<A196<B196<C196<A175<B175<C175<A197<B197<C197<A193<B193<C193<A121<B121<C121<A125<B125<C125<A156<B198<C198<A170<B170<C170<A107<B107<C107<A132<B132<C132<A123<B123<C123<A120<B120<C120<A166<B166<C166<A194<B194<C194<A139<B139<C139<A108<B108<C108<A191<B191<C191<A144<B144<C144<A198<B150<C150<A147<B147<C147<A152<B152<C152<A183<B183<C183<A200<B200<C200<A106<B106<C106<A114<B114<C114<A199<B199<C199<A188<B188<C188<A131<B131<C131<A164<B164<C164<A158<B158<C112<A163<B163<C163<A140<B140<C140<A167<B167<C146<A134<B134<C134<A159<B159<C159<A109<B109<C109<A168<B168<C182<A182<B182<C168<A171<B171<C171<A184<B184<C184<A118<B118<C118<A130<B130<C130<A187<B187<C187<A172<B172<C172<A143<B115<C115<A176<B176<C176<A174<B102<C102<A142<B142<C142<A162<B162<C162<A122<B122<C122<A102<B174<C174<A138<B138<C138<A190<B190<C190<A126<B126<C126<A115<B143<C143<A180<B180<C180<A146<B146<C167<A112<B112<C158<A150<M28X12<M18X18<M20X16<M22X24<M24X23<M25X12<M15X15<M17X13<M19X21<M21X19<M23X12<M13X13<M14X18<M15X21<M17X19<M19X12<M21X25<M23X18<M24X17<M25X22<M26X16<M27X12<M17X17<M19X20<M21X23<M23X11<M24X16<M26X12<M16X16<M18X24<M20X22<M21X14<M22X16<M23X23<M24X12<M14X14<M16X17<M18X20<M19X22<M21X15<M22X12<M12X12<M13X22<M13X23<M13X24<M14X19<M14X25<M16X18<M17X15<M18X11<M19X11<M20X11<M21X12<M11X11<M12X11<M13X11<M14X12<M13X12<M14X23<M15X24<M12X13<M13X18<M14X13<M13X19<M14X24<M15X19<M14X11<M13X20<M14X20<M15X20<M14X22<M15X13<M16X20<M15X14<M14X21<M15X16<M16X21<M15X18<M13X14<M14X15<M15X25<M16X15<M15X11<M16X11<M15X12<M16X22<M17X12<M14X16<M15X22<M16X12<M17X22<M16X13<M17X18<M16X14<M17X14<M18X14<M15X23<M16X23<M17X23<M18X25<M19X15<M16X25<M17X16<M18X23<M16X24<M17X21<M15X17<M16X19<M17X24<M18X19<M17X25<M18X15<M19X25<M18X17<M17X11<M18X13<M19X19<M17X20<M18X21<M19X16<M19X17<M20X17<M19X18<M18X22<M19X14<M20X15<M20X12<M22X25<M20X13<M20X14<M18X12<M19X24<M20X21<M21X18<M19X13<M20X18<M21X13<M20X19<M20X20<M21X22<M18X16<M19X23<M20X25<M21X16<M22X23<M21X17<M21X11<M22X13<M22X14<M20X24<M21X20<M21X21<M22X17<M23X20<M22X18<M23X16<M25X11<M22X22<M20X23<M21X24<M22X19<M23X25<M22X20<M23X21<M24X24<M22X21<M23X19<M24X11<M23X22<M24X15<M22X11<M23X14<M24X18<M23X15<M24X13<M23X24<M24X25<M23X17<M24X19<M25X14<M22X15<M23X13<M24X20<M25X24<M25X25<M24X21<M25X20<M25X21<M24X22<M25X15<M25X16<M26X25<M26X11<M25X23<M24X14<M25X19<M26X13<M26X15<M26X20<M25X17<M26X21<M25X18<M26X17<M27X22<M27X23<M26X18<M26X19<M27X16<M28X14<M25X13<M26X22<M27X17<M26X23<M27X13<M27X14<M27X15<M26X24<M27X24<M28X25<M27X11<M28X18<M27X25<M26X14<M27X19<M27X20<M28X13<M27X21<M28X23<M28X24<M28X22<M28X11<M28X17<M29X11<M27X18<M28X21<M28X16<M28X15<M28X20<M29X14<M29X25<M29X21<M28X19<M29X18<M29X17<M29X13<M29X24<M29X16<M29X23<M29X19<M30X25<M29X22<M30X21<M30X22<M29X12<M29X15<M30X18<M30X20<M30X24<M30X23<M29X20<M30X14<M30X13<M30X17<M30X12<M30X11<M30X16<M30X15<M30X19

OK. Likewise.

> diff --git a/scripts/dso-ordering-test.py b/scripts/dso-ordering-test.py
> index e4da3d64fd..f11ef68f21 100644
> --- a/scripts/dso-ordering-test.py
> +++ b/scripts/dso-ordering-test.py
> @@ -181,7 +181,7 @@ parts:
>    3. Destructors' output
>  
>  To see by example, a simple test description "a->b->c" generates a testcase
> -that when run, outputs: "c>b>a>{}<a<b<c"
> +that when run, outputs: "c>b>a>.>{}<.<a<b<c"

OK.

>  
>  Each generated DSO constructor prints its name followed by a '>' character,
>  and the "c>b>a" part above is the full constructor output by all DSOs, the
> @@ -192,6 +192,9 @@ Destructor output for each DSO is a '<' character followed by its name,
>  reflecting its reverse nature of constructors.  In the above example, the
>  destructor output part is "<a<b<c".
>  
> +The main program prints '.>' and '<.' when its constructors and
> +destructors are invoked.

OK.

> +
>  The middle "{}" part is the main program.  In this simple example, nothing
>  was specified for the main program, so by default it is implicitly linked
>  to the DSO 'a' (with no other DSOs depending on it) and only prints the
> @@ -201,7 +204,7 @@ To see an example with actions inside the main program, lets see an example
>  description: c->g=>h;{+c;%c;-c}->a->h
>  
>  This produces a testcase, that when executed outputs:
> -             h>a>{+c[g>c>];%c();-c[<c<g];}<a<h
> +             h>a>.>{+c[g>c>];%c();-c[<c<g];}<.<a<h

OK.

>  
>  The constructor and destructor parts display the a->h dependency as expected.
>  Inside the main program, the "+c" action triggers a dlopen() of DSO 'c',
> @@ -218,6 +221,7 @@ by the main test program constructs documented earlier.
>  
>  The output strings described here is the exact same form placed in
>  test description files' "output: <expected output>" line.
> +
>  """
>  
>  import sys
> @@ -774,15 +778,9 @@ def process_testcase(t):
>                          test_srcdir, base_test_name, exp_tunable_sfx,
>                          ("X" if xfail else ""), test_name, tunable_descr))
>  
> -        # Generate C files according to dependency and calling relations from
> -        # description string.
> -        for obj in test_descr.objs:
> -            src_name = test_name + "-" + obj + ".c"
> -            f = open(testpfx_src + src_name, "w")
> -            if obj in test_descr.callrefs:
> -                called_objs = test_descr.callrefs[obj]
> -                for callee in called_objs:
> -                    f.write("extern void fn_%s (void);\n" % (callee))
> +        def write_initfini(f, obj):
> +            """Write init/fini ELF constructor/destructor functions to F."""
> +

OK. Create a subroutine. Later we will call it by moving the loop up a level.

>              if len(obj) == 1:
>                  f.write("extern int putchar(int);\n")
>                  f.write("static void __attribute__((constructor)) " +
> @@ -795,6 +793,17 @@ def process_testcase(t):
>                           'init(void){printf("%s>");}\n' % (obj))
>                  f.write('static void __attribute__((destructor)) ' +
>                           'fini(void){printf("<%s");}\n' % (obj))
> +
> +        # Generate C files according to dependency and calling relations from
> +        # description string.
> +        for obj in test_descr.objs:
> +            src_name = test_name + "-" + obj + ".c"
> +            f = open(testpfx_src + src_name, "w")
> +            if obj in test_descr.callrefs:
> +                called_objs = test_descr.callrefs[obj]
> +                for callee in called_objs:
> +                    f.write("extern void fn_%s (void);\n" % (callee))
> +            write_initfini(f, obj)

OK. Call write_initfini.

>              if obj in test_descr.callrefs:
>                  called_objs = test_descr.callrefs[obj]
>                  if len(obj) != 1:
> @@ -828,6 +837,7 @@ def process_testcase(t):
>          f.write("#include <stdio.h>\n")
>          f.write("#include <stdlib.h>\n")
>          f.write("#include <dlfcn.h>\n")
> +        write_initfini(f, '.')

Lastly, for the main program.

>          for s in test_descr.main_program:
>              if s[0] == '@':
>                  f.write("extern void fn_%s (void);\n" % (s[1:]));
  
Florian Weimer Sept. 19, 2023, 12:47 p.m. UTC | #4
* Carlos O'Donell:

> On 9/19/23 04:48, Florian Weimer wrote:
>> Previously, the ordering was not capture in the test output.  Adjust
>
> s/capture/captured/g (as noted by Andreas)
>
>> expected test output accordingly.  Note that after commit 6985865bc3a
>> ("elf: Always call destructors in reverse constructor order
>> (bug 30785)"), the main program destructors in tst-bz28937 run last
>> (which is bug XXX).
>
> Do we need to fill in bug XXX?

It's bug 30869, I just forgot to update the commit message.

Thanks,
Florian
  
Carlos O'Donell Sept. 19, 2023, 2:24 p.m. UTC | #5
On 9/19/23 08:47, Florian Weimer wrote:
> * Carlos O'Donell:
> 
>> On 9/19/23 04:48, Florian Weimer wrote:
>>> Previously, the ordering was not capture in the test output.  Adjust
>>
>> s/capture/captured/g (as noted by Andreas)
>>
>>> expected test output accordingly.  Note that after commit 6985865bc3a
>>> ("elf: Always call destructors in reverse constructor order
>>> (bug 30785)"), the main program destructors in tst-bz28937 run last
>>> (which is bug XXX).
>>
>> Do we need to fill in bug XXX?
> 
> It's bug 30869, I just forgot to update the commit message.

Perfect.

Let me finish reviewing 3/3 and then we can proceed with a light review
of v2 with the cleanups?
  
Florian Weimer Sept. 19, 2023, 2:41 p.m. UTC | #6
* Carlos O'Donell:

> On 9/19/23 08:47, Florian Weimer wrote:
>> * Carlos O'Donell:
>> 
>>> On 9/19/23 04:48, Florian Weimer wrote:
>>>> Previously, the ordering was not capture in the test output.  Adjust
>>>
>>> s/capture/captured/g (as noted by Andreas)
>>>
>>>> expected test output accordingly.  Note that after commit 6985865bc3a
>>>> ("elf: Always call destructors in reverse constructor order
>>>> (bug 30785)"), the main program destructors in tst-bz28937 run last
>>>> (which is bug XXX).
>>>
>>> Do we need to fill in bug XXX?
>> 
>> It's bug 30869, I just forgot to update the commit message.
>
> Perfect.
>
> Let me finish reviewing 3/3 and then we can proceed with a light review
> of v2 with the cleanups?

Works for me, thanks.

Florian
  

Patch

diff --git a/elf/dso-sort-tests-1.def b/elf/dso-sort-tests-1.def
index 61dc54f8ae..cefc474e4f 100644
--- a/elf/dso-sort-tests-1.def
+++ b/elf/dso-sort-tests-1.def
@@ -8,59 +8,59 @@  tunable_option: glibc.rtld.dynamic_sort=2
 
 # Sequence of single dependencies with no cycles.
 tst-dso-ordering1: a->b->c
-output: c>b>a>{}<a<b<c
+output: c>b>a>.>{}<.<a<b<c
 
 # Sequence including 2 dependent DSOs not at the end of the graph.
 tst-dso-ordering2: a->b->[cd]->e
-output: e>d>c>b>a>{}<a<b<c<d<e
+output: e>d>c>b>a>.>{}<.<a<b<c<d<e
 
 # Complex order with 3 "layers" of full dependencies
 tst-dso-ordering3: a->[bc]->[def]->[gh]->i
-output: i>h>g>f>e>d>c>b>a>{}<a<b<c<d<e<f<g<h<i
+output: i>h>g>f>e>d>c>b>a>.>{}<.<a<b<c<d<e<f<g<h<i
 
 # Sequence including 2 dependent DSOs at the end of the graph.
 # Additionally the same dependencies appear in two paths.
 tst-dso-ordering4: a->b->[de];a->c->d->e
-output: e>d>c>b>a>{}<a<b<c<d<e
+output: e>d>c>b>a>.>{}<.<a<b<c<d<e
 
 # Test that b->c cross link is respected correctly
 tst-dso-ordering5: a!->[bc]->d;b->c
-output: d>c>b>a>{}<a<b<c<d
+output: d>c>b>a>.>{}<.<a<b<c<d
 
 # First DSO fully dependent on 4 DSOs, with another DSO at the end of chain.
 tst-dso-ordering6: a->[bcde]->f
-output: f>e>d>c>b>a>{}<a<b<c<d<e<f
+output: f>e>d>c>b>a>.>{}<.<a<b<c<d<e<f
 
 # Sequence including 2 dependent and 3 dependent DSOs, and one of the
 # dependent DSOs is dependent on an earlier DSO.
 tst-dso-ordering7: a->[bc];b->[cde];e->f
-output: f>e>d>c>b>a>{}<a<b<c<d<e<f
+output: f>e>d>c>b>a>.>{}<.<a<b<c<d<e<f
 
 # Sequence where the DSO c is unerlinked and calls a function in DSO a which
 # is technically a cycle.  The main executable depends on the first two DSOs.
 # Note: This test has unspecified behavior.
 tst-dso-ordering8: a->b->c=>a;{}->[ba]
-output: c>b>a>{}<a<b<c
+output: c>b>a>.>{}<.<a<b<c
 
 # Generate the permutation of DT_NEEDED order between the main binary and
 # all 5 DSOs; all link orders should produce exact same init/fini ordering
 tst-dso-ordering9: a->b->c->d->e;{}!->[abcde]
-output: e>d>c>b>a>{}<a<b<c<d<e
+output: e>d>c>b>a>.>{}<.<a<b<c<d<e
 
 # Test if init/fini ordering behavior is proper, despite main program with
 # an soname that may cause confusion
 tst-dso-ordering10: {}->a->b->c;soname({})=c
-output: b>a>{}<a<b
+output: b>a>.>{}<.<a<b
 
 # Complex example from Bugzilla #15311, under-linked and with circular
 # relocation(dynamic) dependencies. For both sorting algorithms, the
 # destruction order is the reverse of the construction order, and
 # relocation dependencies are not taken into account.
 tst-bz15311: {+a;+e;+f;+g;+d;%d;-d;-g;-f;-e;-a};a->b->c->d;d=>[ba];c=>a;b=>e=>a;c=>f=>b;d=>g=>c
-output: {+a[d>c>b>a>];+e[e>];+f[f>];+g[g>];+d[];%d(b(e(a()))a()g(c(a()f(b(e(a()))))));-d[];-g[];-f[];-e[];-a[<g<f<e<a<b<c<d];}
+output: .>{+a[d>c>b>a>];+e[e>];+f[f>];+g[g>];+d[];%d(b(e(a()))a()g(c(a()f(b(e(a()))))));-d[];-g[];-f[];-e[];-a[<g<f<e<a<b<c<d];}<.
 
 # Test that even in the presence of dependency loops involving dlopen'ed
 # object, that object is initialized last (and not unloaded prematurely).
 # Final destructor order is the opposite of constructor order.
 tst-bz28937: {+a;+b;-b;+c;%c};a->a1;a->a2;a2->a;b->b1;c->a1;c=>a1
-output: {+a[a2>a1>a>];+b[b1>b>];-b[<b<b1];+c[c>];%c(a1());}<c<a<a1<a2
+output: .>{+a[a2>a1>a>];+b[b1>b>];-b[<b<b1];+c[c>];%c(a1());}<c<a<a1<a2<.
diff --git a/elf/dso-sort-tests-2.def b/elf/dso-sort-tests-2.def
index b79e79ecb7..73792de53b 100644
--- a/elf/dso-sort-tests-2.def
+++ b/elf/dso-sort-tests-2.def
@@ -610,5 +610,5 @@  M30X22
 M30X23
 M30X24
 M30X25
-xfail_output(glibc.rtld.dynamic_sort=1): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M27X14>M28X18>M27X15>M28X13>M27X11>M28X23>M27X25>M28X14>M28X25>M27X23>M27X22>M28X24>M27X21>M27X13>M27X19>M27X17>M26X11>M26X23>M26X21>M26X22>M26X20>M26X16>M25X21>M17X22>M15X15>M20X14>M20X16>M18X18>M28X12>M27X24>M25X17>M27X20>M26X18>M26X17>M27X16>M26X19>M25X18>M26X24>M25X20>M24X17>M23X18>M25X13>M26X13>M17X23>M16X16>M26X12>M25X12>M26X15>M24X19>M25X23>M25X24>M25X25>M24X20>M25X19>M24X21>M23X17>M22X21>M24X14>M23X22>M24X24>M22X20>M24X13>M25X11>M24X12>M25X15>M23X15>M25X16>M24X22>M23X13>M24X18>M23X14>M22X22>M21X20>M24X25>M23X16>M22X25>M21X19>M22X14>M23X11>M22X15>M21X18>M22X19>M21X17>M20X17>M19X17>M21X24>M21X12>M20X22>M19X16>M18X25>M19X21>M19X20>M18X24>M20X12>M19X11>M23X20>M22X24>M22X16>M21X21>M25X14>M23X19>M23X24>M20X24>M19X12>M18X15>M17X14>M16X18>M14X25>M16X22>M16X20>M17X17>M22X12>M21X11>M20X15>M18X22>M19X24>M19X18>M18X21>M17X16>M17X18>M16X21>M15X20>M19X22>M18X20>M18X11>M17X19>M16X17>M15X21>M16X14>M16X13>M15X22>M14X20>M17X25>M16X19>M14X21>M13X24>M12X12>M16X24>M15X23>M14X16>M16X15>M15X25>M15X11>M15X12>M14X15>M13X14>M14X22>M13X20>M12X13>M11X11>M22X23>M21X15>M21X16>M20X21>M20X20>M18X17>M19X25>M18X23>M21X13>M15X17>M15X18>M18X19>M17X24>M16X12>M17X13>M20X25>M19X23>M15X19>M14X13>M13X18>M15X13>M17X12>M16X11>M18X13>M18X12>M14X11>M14X24>M13X19>M15X14>M17X20>M20X11>M20X13>M21X14>M15X24>M14X12>M13X22>M14X23>M13X23>M14X19>M17X15>M16X25>M17X11>M18X14>M19X19>M21X25>M13X12>M13X11>M14X18>M13X13>M12X11>M15X16>M14X14>M27X12>M17X21>M20X23>M22X13>M21X22>M24X16>M24X15>M26X25>M23X25>M26X14>M23X12>M22X18>M24X11>M16X23>M19X14>M19X13>M21X23>M22X17>M23X23>M23X21>M25X22>M18X16>M19X15>M20X18>M20X19>M22X11>M24X23>C156>C118>C143>C137>C147>C106>C168>C113>C163>C155>C105>C146>C187>A150>C139>C180>C164>C193>C157>A191>C158>B188>A159>C184>C121>C154>B171>A105>C131>C104>B104>C161>C111>B145>C160>B155>A163>C112>C142>B148>C133>B198>A198>A115>C114>B157>A156>C175>B144>A120>C173>B184>A174>C126>B107>A139>C194>B194>A194>C116>B116>C166>B160>B110>A110>C128>B128>A128>C179>B162>A154>C186>B187>A179>C124>B181>A101>C153>B158>A136>C135>C176>A192>B133>A133>C177>B177>A177>C185>C103>B141>A141>C183>A162>C192>C129>B179>C144>B124>B183>C127>B127>A127>B108>A112>B153>A153>C167>B167>A186>A122>C162>A144>B149>C174>B131>A185>C141>B106>A126>A167>C140>B122>A170>C198>B143>C117>C123>B123>A147>A106>C200>B169>C191>B175>A123>B118>A182>C132>B151>A145>A104>A109>C159>C150>B119>A119>A178>B164>B114>A164>C181>A102>C122>B134>A157>A116>C195>B191>B111>C172>B172>A118>B129>A129>C149>A107>C170>B197>A197>A173>B168>A132>C107>B165>A160>A131>C188>A168>B109>C178>A189>A148>C119>C190>C120>B166>B176>C108>B135>B139>A103>B178>A169>B132>C125>C138>B163>A111>B170>C110>A165>C151>C169>C199>A138>C182>A135>B101>B142>C101>C148>B193>B152>A158>A199>C136>B137>A161>B120>A108>A149>A125>B113>A184>C171>A134>A175>A124>B150>B161>B102>A146>A187>C130>B192>B200>A200>A142>A183>C102>B105>B156>A176>C165>B147>A137>A196>B190>A190>B125>C134>C189>B126>B186>A166>B136>B195>A195>B154>B138>B112>B173>A117>B159>B182>A181>A140>C145>B117>A152>A193>C197>B130>A172>A113>A151>B115>A143>B140>B185>B103>A121>A180>A130>A171>B199>C196>B146>B180>C115>B174>B121>A188>B196>B189>C152>C109>A155>A114>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>{}<M11X12<M11X13<M11X14<M11X15<M11X16<M11X17<M11X18<M11X19<M11X20<M11X21<M11X22<M11X23<M11X24<M11X25<M12X24<M12X23<M12X22<M12X20<M12X19<M12X18<M12X16<M13X21<M12X15<M13X25<M12X14<M12X25<M12X21<M12X17<M13X17<M13X16<M13X15<M14X17<A114<A155<C109<C152<B189<B196<A188<B121<B174<C115<B180<B146<C196<B199<A171<A130<A180<A121<B103<B185<B140<A143<B115<A151<A113<A172<B130<C197<A193<A152<B117<C145<A140<A181<B182<B159<A117<B173<B112<B138<B154<A195<B195<B136<A166<B186<B126<C189<C134<B125<A190<B190<A196<A137<B147<C165<A176<B156<B105<C102<A183<A142<A200<B200<B192<C130<A187<A146<B102<B161<B150<A124<A175<A134<C171<A184<B113<A125<A149<A108<B120<A161<B137<C136<A199<A158<B152<B193<C148<C101<B142<B101<A135<C182<A138<C199<C169<C151<A165<C110<B170<A111<B163<C138<C125<B132<A169<B178<A103<B139<B135<C108<B176<B166<C120<C190<C119<A148<A189<C178<B109<A168<C188<A131<A160<B165<C107<A132<B168<A173<A197<B197<C170<A107<C149<A129<B129<A118<B172<C172<B111<B191<C195<A116<A157<B134<C122<A102<C181<A164<B114<B164<A178<A119<B119<C150<C159<A109<A104<A145<B151<C132<A182<B118<A123<B175<C191<B169<C200<A106<A147<B123<C123<C117<B143<C198<A170<B122<C140<A167<A126<B106<C141<A185<B131<C174<B149<A144<C162<A122<A186<B167<C167<A153<B153<A112<B108<A127<B127<C127<B183<B124<C144<B179<C129<C192<A162<C183<A141<B141<C103<C185<A177<B177<C177<A133<B133<A192<C176<C135<A136<B158<C153<A101<B181<C124<A179<B187<C186<A154<B162<C179<A128<B128<C128<A110<B110<B160<C166<B116<C116<A194<B194<C194<A139<B107<C126<A174<B184<C173<A120<B144<C175<A156<B157<C114<A115<A198<B198<C133<B148<C142<C112<A163<B155<C160<B145<C111<C161<B104<C104<C131<A105<B171<C154<C121<C184<A159<B188<C158<A191<C157<C193<C164<C180<C139<A150<C187<C146<C105<C155<C163<C113<C168<C106<C147<C137<C143<C118<C156<M24X23<M22X11<M20X19<M20X18<M19X15<M18X16<M25X22<M23X21<M23X23<M22X17<M21X23<M19X13<M19X14<M16X23<M24X11<M22X18<M23X12<M26X14<M23X25<M26X25<M24X15<M24X16<M21X22<M22X13<M20X23<M17X21<M27X12<M14X14<M15X16<M12X11<M13X13<M14X18<M13X11<M13X12<M21X25<M19X19<M18X14<M17X11<M16X25<M17X15<M14X19<M13X23<M14X23<M13X22<M14X12<M15X24<M21X14<M20X13<M20X11<M17X20<M15X14<M13X19<M14X24<M14X11<M18X12<M18X13<M16X11<M17X12<M15X13<M13X18<M14X13<M15X19<M19X23<M20X25<M17X13<M16X12<M17X24<M18X19<M15X18<M15X17<M21X13<M18X23<M19X25<M18X17<M20X20<M20X21<M21X16<M21X15<M22X23<M11X11<M12X13<M13X20<M14X22<M13X14<M14X15<M15X12<M15X11<M15X25<M16X15<M14X16<M15X23<M16X24<M12X12<M13X24<M14X21<M16X19<M17X25<M14X20<M15X22<M16X13<M16X14<M15X21<M16X17<M17X19<M18X11<M18X20<M19X22<M15X20<M16X21<M17X18<M17X16<M18X21<M19X18<M19X24<M18X22<M20X15<M21X11<M22X12<M17X17<M16X20<M16X22<M14X25<M16X18<M17X14<M18X15<M19X12<M20X24<M23X24<M23X19<M25X14<M21X21<M22X16<M22X24<M23X20<M19X11<M20X12<M18X24<M19X20<M19X21<M18X25<M19X16<M20X22<M21X12<M21X24<M19X17<M20X17<M21X17<M22X19<M21X18<M22X15<M23X11<M22X14<M21X19<M22X25<M23X16<M24X25<M21X20<M22X22<M23X14<M24X18<M23X13<M24X22<M25X16<M23X15<M25X15<M24X12<M25X11<M24X13<M22X20<M24X24<M23X22<M24X14<M22X21<M23X17<M24X21<M25X19<M24X20<M25X25<M25X24<M25X23<M24X19<M26X15<M25X12<M26X12<M16X16<M17X23<M26X13<M25X13<M23X18<M24X17<M25X20<M26X24<M25X18<M26X19<M27X16<M26X17<M26X18<M27X20<M25X17<M27X24<M28X12<M18X18<M20X16<M20X14<M15X15<M17X22<M25X21<M26X16<M26X20<M26X22<M26X21<M26X23<M26X11<M27X17<M27X19<M27X13<M27X21<M28X24<M27X22<M27X23<M28X25<M28X14<M27X25<M28X23<M27X11<M28X13<M27X15<M28X18<M27X14<M28X22<M28X11<M28X17<M29X11<M27X18<M28X21<M28X16<M28X15<M28X20<M29X14<M29X25<M29X21<M28X19<M29X18<M29X17<M29X13<M29X24<M29X16<M29X23<M29X19<M30X25<M29X22<M30X21<M30X22<M29X12<M29X15<M30X18<M30X20<M30X24<M30X23<M29X20<M30X14<M30X13<M30X17<M30X12<M30X11<M30X16<M30X15<M30X19
-output(glibc.rtld.dynamic_sort=2): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M28X24>M28X23>M27X21>M28X13>M27X20>M27X19>M26X14>M27X25>M28X18>M27X11>M28X25>M27X24>M26X24>M27X15>M27X14>M27X13>M26X23>M27X17>M26X22>M25X13>M28X14>M27X16>M26X19>M26X18>M27X23>M27X22>M26X17>M25X18>M26X21>M25X17>M26X20>M26X15>M26X13>M25X19>M24X14>M25X23>M26X11>M26X25>M25X16>M25X15>M24X22>M25X21>M25X20>M24X21>M25X25>M25X24>M24X20>M23X13>M22X15>M25X14>M24X19>M23X17>M24X25>M23X24>M24X13>M23X15>M24X18>M23X14>M22X11>M24X15>M23X22>M24X11>M23X19>M22X21>M24X24>M23X21>M22X20>M23X25>M22X19>M21X24>M20X23>M22X22>M25X11>M23X16>M22X18>M23X20>M22X17>M21X21>M21X20>M20X24>M22X14>M22X13>M21X11>M21X17>M22X23>M21X16>M20X25>M19X23>M18X16>M21X22>M20X20>M20X19>M21X13>M20X18>M19X13>M21X18>M20X21>M19X24>M18X12>M20X14>M20X13>M22X25>M20X12>M20X15>M19X14>M18X22>M19X18>M20X17>M19X17>M19X16>M18X21>M17X20>M19X19>M18X13>M17X11>M18X17>M19X25>M18X15>M17X25>M18X19>M17X24>M16X19>M15X17>M17X21>M16X24>M18X23>M17X16>M16X25>M19X15>M18X25>M17X23>M16X23>M15X23>M18X14>M17X14>M16X14>M17X18>M16X13>M17X22>M16X12>M15X22>M14X16>M17X12>M16X22>M15X12>M16X11>M15X11>M16X15>M15X25>M14X15>M13X14>M15X18>M16X21>M15X16>M14X21>M15X14>M16X20>M15X13>M14X22>M15X20>M14X20>M13X20>M14X11>M15X19>M14X24>M13X19>M14X13>M13X18>M12X13>M15X24>M14X23>M13X12>M14X12>M13X11>M12X11>M11X11>M21X12>M20X11>M19X11>M18X11>M17X15>M16X18>M14X25>M14X19>M13X24>M13X23>M13X22>M12X12>M22X12>M21X15>M19X22>M18X20>M16X17>M14X14>M24X12>M23X23>M22X16>M21X14>M20X22>M18X24>M16X16>M26X12>M24X16>M23X11>M21X23>M19X20>M17X17>M27X12>M26X16>M25X22>M24X17>M23X18>M21X25>M19X12>M17X19>M15X21>M14X18>M13X13>M23X12>M21X19>M19X21>M17X13>M15X15>M25X12>M24X23>M22X24>M20X16>M18X18>M28X12>A150>C158>B112>A112>C167>B146>A146>C180>B180>A180>C143>B143>A115>C126>B126>A126>C190>B190>A190>C138>B138>A138>C174>B174>A102>C122>B122>A122>C162>B162>A162>C142>B142>A142>C102>B102>A174>C176>B176>A176>C115>B115>A143>C172>B172>A172>C187>B187>A187>C130>B130>A130>C118>B118>A118>C184>B184>A184>C171>B171>A171>C168>B182>A182>C182>B168>A168>C109>B109>A109>C159>B159>A159>C134>B134>A134>C146>B167>A167>C140>B140>A140>C163>B163>A163>C112>B158>A158>C164>B164>A164>C131>B131>A131>C188>B188>A188>C199>B199>A199>C114>B114>A114>C106>B106>A106>C200>B200>A200>C183>B183>A183>C152>B152>A152>C147>B147>A147>C150>B150>A198>C144>B144>A144>C191>B191>A191>C108>B108>A108>C139>B139>A139>C194>B194>A194>C166>B166>A166>C120>B120>A120>C123>B123>A123>C132>B132>A132>C107>B107>A107>C170>B170>A170>C198>B198>A156>C125>B125>A125>C121>B121>A121>C193>B193>A193>C197>B197>A197>C175>B175>A175>C196>B196>A196>C105>B105>A105>C181>B181>A181>C113>B113>A113>C137>B137>A137>C155>B155>A155>C156>B156>A110>C128>B128>A128>C179>B179>A179>C124>B124>A124>C151>B151>A151>C178>B178>A178>C104>B104>A104>C111>B111>A111>C148>B148>A148>C169>B169>A169>C129>B129>A129>C149>B149>A149>C189>B189>A189>C119>B119>A119>C154>B154>A154>C136>B136>A136>C135>B135>A135>C116>B116>A116>C145>B145>A145>C161>B161>A161>C173>B173>A173>C157>B157>A157>C195>B195>A195>C186>B186>A186>C160>B160>A160>C153>B153>A153>C117>B117>A117>C165>B165>A165>C101>B101>A101>C103>B103>A103>C192>B192>A192>C177>B177>A177>C185>B185>A185>C141>B141>A141>C133>B133>A133>C127>B127>A127>C110>B110>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>{}<M11X12<M11X13<M11X14<M11X15<M11X16<M11X17<M11X18<M11X19<M11X20<M11X21<M11X22<M11X23<M11X24<M11X25<M12X24<M12X23<M12X22<M12X20<M12X19<M12X18<M12X16<M13X21<M12X15<M13X25<M12X14<M12X25<M12X21<M12X17<M13X17<M13X16<M13X15<M14X17<B110<C110<A127<B127<C127<A133<B133<C133<A141<B141<C141<A185<B185<C185<A177<B177<C177<A192<B192<C192<A103<B103<C103<A101<B101<C101<A165<B165<C165<A117<B117<C117<A153<B153<C153<A160<B160<C160<A186<B186<C186<A195<B195<C195<A157<B157<C157<A173<B173<C173<A161<B161<C161<A145<B145<C145<A116<B116<C116<A135<B135<C135<A136<B136<C136<A154<B154<C154<A119<B119<C119<A189<B189<C189<A149<B149<C149<A129<B129<C129<A169<B169<C169<A148<B148<C148<A111<B111<C111<A104<B104<C104<A178<B178<C178<A151<B151<C151<A124<B124<C124<A179<B179<C179<A128<B128<C128<A110<B156<C156<A155<B155<C155<A137<B137<C137<A113<B113<C113<A181<B181<C181<A105<B105<C105<A196<B196<C196<A175<B175<C175<A197<B197<C197<A193<B193<C193<A121<B121<C121<A125<B125<C125<A156<B198<C198<A170<B170<C170<A107<B107<C107<A132<B132<C132<A123<B123<C123<A120<B120<C120<A166<B166<C166<A194<B194<C194<A139<B139<C139<A108<B108<C108<A191<B191<C191<A144<B144<C144<A198<B150<C150<A147<B147<C147<A152<B152<C152<A183<B183<C183<A200<B200<C200<A106<B106<C106<A114<B114<C114<A199<B199<C199<A188<B188<C188<A131<B131<C131<A164<B164<C164<A158<B158<C112<A163<B163<C163<A140<B140<C140<A167<B167<C146<A134<B134<C134<A159<B159<C159<A109<B109<C109<A168<B16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+xfail_output(glibc.rtld.dynamic_sort=1): 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+output(glibc.rtld.dynamic_sort=2): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M28X24>M28X23>M27X21>M28X13>M27X20>M27X19>M26X14>M27X25>M28X18>M27X11>M28X25>M27X24>M26X24>M27X15>M27X14>M27X13>M26X23>M27X17>M26X22>M25X13>M28X14>M27X16>M26X19>M26X18>M27X23>M27X22>M26X17>M25X18>M26X21>M25X17>M26X20>M26X15>M26X13>M25X19>M24X14>M25X23>M26X11>M26X25>M25X16>M25X15>M24X22>M25X21>M25X20>M24X21>M25X25>M25X24>M24X20>M23X13>M22X15>M25X14>M24X19>M23X17>M24X25>M23X24>M24X13>M23X15>M24X18>M23X14>M22X11>M24X15>M23X22>M24X11>M23X19>M22X21>M24X24>M23X21>M22X20>M23X25>M22X19>M21X24>M20X23>M22X22>M25X11>M23X16>M22X18>M23X20>M22X17>M21X21>M21X20>M20X24>M22X14>M22X13>M21X11>M21X17>M22X23>M21X16>M20X25>M19X23>M18X16>M21X22>M20X20>M20X19>M21X13>M20X18>M19X13>M21X18>M20X21>M19X24>M18X12>M20X14>M20X13>M22X25>M20X12>M20X15>M19X14>M18X22>M19X18>M20X17>M19X17>M19X16>M18X21>M17X20>M19X19>M18X13>M17X11>M18X17>M19X25>M18X15>M17X25>M18X19>M17X24>M16X19>M15X17>M17X21>M16X24>M18X23>M17X16>M16X25>M19X15>M18X25>M17X23>M16X23>M15X23>M18X14>M17X14>M16X14>M17X18>M16X13>M17X22>M16X12>M15X22>M14X16>M17X12>M16X22>M15X12>M16X11>M15X11>M16X15>M15X25>M14X15>M13X14>M15X18>M16X21>M15X16>M14X21>M15X14>M16X20>M15X13>M14X22>M15X20>M14X20>M13X20>M14X11>M15X19>M14X24>M13X19>M14X13>M13X18>M12X13>M15X24>M14X23>M13X12>M14X12>M13X11>M12X11>M11X11>M21X12>M20X11>M19X11>M18X11>M17X15>M16X18>M14X25>M14X19>M13X24>M13X23>M13X22>M12X12>M22X12>M21X15>M19X22>M18X20>M16X17>M14X14>M24X12>M23X23>M22X16>M21X14>M20X22>M18X24>M16X16>M26X12>M24X16>M23X11>M21X23>M19X20>M17X17>M27X12>M26X16>M25X22>M24X17>M23X18>M21X25>M19X12>M17X19>M15X21>M14X18>M13X13>M23X12>M21X19>M19X21>M17X13>M15X15>M25X12>M24X23>M22X24>M20X16>M18X18>M28X12>A150>C158>B112>A112>C167>B146>A146>C180>B180>A180>C143>B143>A115>C126>B126>A126>C190>B190>A190>C138>B138>A138>C174>B174>A102>C122>B122>A122>C162>B162>A162>C142>B142>A142>C102>B102>A174>C176>B176>A176>C115>B115>A143>C172>B172>A172>C187>B187>A187>C130>B130>A130>C118>B118>A118>C184>B184>A184>C171>B171>A171>C168>B182>A182>C182>B168>A168>C109>B109>A109>C159>B159>A159>C134>B134>A134>C146>B167>A167>C140>B140>A140>C163>B163>A163>C112>B158>A158>C164>B164>A164>C131>B131>A131>C188>B188>A188>C199>B199>A199>C114>B114>A114>C106>B106>A106>C200>B200>A200>C183>B183>A183>C152>B152>A152>C147>B147>A147>C150>B150>A198>C144>B144>A144>C191>B191>A191>C108>B108>A108>C139>B139>A139>C194>B194>A194>C166>B166>A166>C120>B120>A120>C123>B123>A123>C132>B132>A132>C107>B107>A107>C170>B170>A170>C198>B198>A156>C125>B125>A125>C121>B121>A121>C193>B193>A193>C197>B197>A197>C175>B175>A175>C196>B196>A196>C105>B105>A105>C181>B181>A181>C113>B113>A113>C137>B137>A137>C155>B155>A155>C156>B156>A110>C128>B128>A128>C179>B179>A179>C124>B124>A124>C151>B151>A151>C178>B178>A178>C104>B104>A104>C111>B111>A111>C148>B148>A148>C169>B169>A169>C129>B129>A129>C149>B149>A149>C189>B189>A189>C119>B119>A119>C154>B154>A154>C136>B136>A136>C135>B135>A135>C116>B116>A116>C145>B145>A145>C161>B161>A161>C173>B173>A173>C157>B157>A157>C195>B195>A195>C186>B186>A186>C160>B160>A160>C153>B153>A153>C117>B117>A117>C165>B165>A165>C101>B101>A101>C103>B103>A103>C192>B192>A192>C177>B177>A177>C185>B185>A185>C141>B141>A141>C133>B133>A133>C127>B127>A127>C110>B110>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>.>{}<.<M11X12<M11X13<M11X14<M11X15<M11X16<M11X17<M11X18<M11X19<M11X20<M11X21<M11X22<M11X23<M11X24<M11X25<M12X24<M12X23<M12X22<M12X20<M12X19<M12X18<M12X16<M13X21<M12X15<M13X25<M12X14<M12X25<M12X21<M12X17<M13X17<M13X16<M13X15<M14X17<B110<C110<A127<B127<C127<A133<B133<C133<A141<B141<C141<A185<B185<C185<A177<B177<C177<A192<B192<C192<A103<B103<C103<A101<B101<C101<A165<B165<C165<A117<B117<C117<A153<B153<C153<A160<B160<C160<A186<B186<C186<A195<B195<C195<A157<B157<C157<A173<B173<C173<A161<B161<C161<A145<B145<C145<A116<B116<C116<A135<B135<C135<A136<B136<C136<A154<B154<C154<A119<B119<C119<A189<B189<C189<A149<B149<C149<A129<B129<C129<A169<B169<C169<A148<B148<C148<A111<B111<C111<A104<B104<C104<A178<B178<C178<A151<B151<C151<A124<B124<C124<A179<B179<C179<A128<B128<C128<A110<B156<C156<A155<B155<C155<A137<B137<C137<A113<B113<C113<A181<B181<C181<A105<B105<C105<A196<B196<C196<A175<B175<C175<A197<B197<C197<A193<B193<C193<A121<B121<C121<A125<B125<C125<A156<B198<C198<A170<B170<C170<A107<B107<C107<A132<B132<C132<A123<B123<C123<A120<B120<C120<A166<B166<C166<A194<B194<C194<A139<B139<C139<A108<B108<C108<A191<B191<C191<A144<B144<C144<A198<B150<C150<A147<B147<C147<A152<B152<C152<A183<B183<C183<A200<B200<C200<A106<B106<C106<A114<B114<C114<A199<B199<C199<A188<B188<C188<A131<B131<C131<A164<B164<C164<A158<B158<C112<A163<B163<C163<A140<B140<C140<A167<B167<C146<A134<B134<C134<A159<B159<C159<A109<B109<C109<A168<B168<C182<A182<B182<C168<A171<B171<C171<A184<B184<C184<A118<B118<C118<A130<B130<C130<A187<B187<C187<A172<B172<C172<A143<B115<C115<A176<B176<C176<A174<B102<C102<A142<B142<C142<A162<B162<C162<A122<B122<C122<A102<B174<C174<A138<B138<C138<A190<B190<C190<A126<B126<C126<A115<B143<C143<A180<B180<C180<A146<B146<C167<A112<B112<C158<A150<M28X12<M18X18<M20X16<M22X24<M24X23<M25X12<M15X15<M17X13<M19X21<M21X19<M23X12<M13X13<M14X18<M15X21<M17X19<M19X12<M21X25<M23X18<M24X17<M25X22<M26X16<M27X12<M17X17<M19X20<M21X23<M23X11<M24X16<M26X12<M16X16<M18X24<M20X22<M21X14<M22X16<M23X23<M24X12<M14X14<M16X17<M18X20<M19X22<M21X15<M22X12<M12X12<M13X22<M13X23<M13X24<M14X19<M14X25<M16X18<M17X15<M18X11<M19X11<M20X11<M21X12<M11X11<M12X11<M13X11<M14X12<M13X12<M14X23<M15X24<M12X13<M13X18<M14X13<M13X19<M14X24<M15X19<M14X11<M13X20<M14X20<M15X20<M14X22<M15X13<M16X20<M15X14<M14X21<M15X16<M16X21<M15X18<M13X14<M14X15<M15X25<M16X15<M15X11<M16X11<M15X12<M16X22<M17X12<M14X16<M15X22<M16X12<M17X22<M16X13<M17X18<M16X14<M17X14<M18X14<M15X23<M16X23<M17X23<M18X25<M19X15<M16X25<M17X16<M18X23<M16X24<M17X21<M15X17<M16X19<M17X24<M18X19<M17X25<M18X15<M19X25<M18X17<M17X11<M18X13<M19X19<M17X20<M18X21<M19X16<M19X17<M20X17<M19X18<M18X22<M19X14<M20X15<M20X12<M22X25<M20X13<M20X14<M18X12<M19X24<M20X21<M21X18<M19X13<M20X18<M21X13<M20X19<M20X20<M21X22<M18X16<M19X23<M20X25<M21X16<M22X23<M21X17<M21X11<M22X13<M22X14<M20X24<M21X20<M21X21<M22X17<M23X20<M22X18<M23X16<M25X11<M22X22<M20X23<M21X24<M22X19<M23X25<M22X20<M23X21<M24X24<M22X21<M23X19<M24X11<M23X22<M24X15<M22X11<M23X14<M24X18<M23X15<M24X13<M23X24<M24X25<M23X17<M24X19<M25X14<M22X15<M23X13<M24X20<M25X24<M25X25<M24X21<M25X20<M25X21<M24X22<M25X15<M25X16<M26X25<M26X11<M25X23<M24X14<M25X19<M26X13<M26X15<M26X20<M25X17<M26X21<M25X18<M26X17<M27X22<M27X23<M26X18<M26X19<M27X16<M28X14<M25X13<M26X22<M27X17<M26X23<M27X13<M27X14<M27X15<M26X24<M27X24<M28X25<M27X11<M28X18<M27X25<M26X14<M27X19<M27X20<M28X13<M27X21<M28X23<M28X24<M28X22<M28X11<M28X17<M29X11<M27X18<M28X21<M28X16<M28X15<M28X20<M29X14<M29X25<M29X21<M28X19<M29X18<M29X17<M29X13<M29X24<M29X16<M29X23<M29X19<M30X25<M29X22<M30X21<M30X22<M29X12<M29X15<M30X18<M30X20<M30X24<M30X23<M29X20<M30X14<M30X13<M30X17<M30X12<M30X11<M30X16<M30X15<M30X19
diff --git a/scripts/dso-ordering-test.py b/scripts/dso-ordering-test.py
index e4da3d64fd..f11ef68f21 100644
--- a/scripts/dso-ordering-test.py
+++ b/scripts/dso-ordering-test.py
@@ -181,7 +181,7 @@  parts:
   3. Destructors' output
 
 To see by example, a simple test description "a->b->c" generates a testcase
-that when run, outputs: "c>b>a>{}<a<b<c"
+that when run, outputs: "c>b>a>.>{}<.<a<b<c"
 
 Each generated DSO constructor prints its name followed by a '>' character,
 and the "c>b>a" part above is the full constructor output by all DSOs, the
@@ -192,6 +192,9 @@  Destructor output for each DSO is a '<' character followed by its name,
 reflecting its reverse nature of constructors.  In the above example, the
 destructor output part is "<a<b<c".
 
+The main program prints '.>' and '<.' when its constructors and
+destructors are invoked.
+
 The middle "{}" part is the main program.  In this simple example, nothing
 was specified for the main program, so by default it is implicitly linked
 to the DSO 'a' (with no other DSOs depending on it) and only prints the
@@ -201,7 +204,7 @@  To see an example with actions inside the main program, lets see an example
 description: c->g=>h;{+c;%c;-c}->a->h
 
 This produces a testcase, that when executed outputs:
-             h>a>{+c[g>c>];%c();-c[<c<g];}<a<h
+             h>a>.>{+c[g>c>];%c();-c[<c<g];}<.<a<h
 
 The constructor and destructor parts display the a->h dependency as expected.
 Inside the main program, the "+c" action triggers a dlopen() of DSO 'c',
@@ -218,6 +221,7 @@  by the main test program constructs documented earlier.
 
 The output strings described here is the exact same form placed in
 test description files' "output: <expected output>" line.
+
 """
 
 import sys
@@ -774,15 +778,9 @@  def process_testcase(t):
                         test_srcdir, base_test_name, exp_tunable_sfx,
                         ("X" if xfail else ""), test_name, tunable_descr))
 
-        # Generate C files according to dependency and calling relations from
-        # description string.
-        for obj in test_descr.objs:
-            src_name = test_name + "-" + obj + ".c"
-            f = open(testpfx_src + src_name, "w")
-            if obj in test_descr.callrefs:
-                called_objs = test_descr.callrefs[obj]
-                for callee in called_objs:
-                    f.write("extern void fn_%s (void);\n" % (callee))
+        def write_initfini(f, obj):
+            """Write init/fini ELF constructor/destructor functions to F."""
+
             if len(obj) == 1:
                 f.write("extern int putchar(int);\n")
                 f.write("static void __attribute__((constructor)) " +
@@ -795,6 +793,17 @@  def process_testcase(t):
                          'init(void){printf("%s>");}\n' % (obj))
                 f.write('static void __attribute__((destructor)) ' +
                          'fini(void){printf("<%s");}\n' % (obj))
+
+        # Generate C files according to dependency and calling relations from
+        # description string.
+        for obj in test_descr.objs:
+            src_name = test_name + "-" + obj + ".c"
+            f = open(testpfx_src + src_name, "w")
+            if obj in test_descr.callrefs:
+                called_objs = test_descr.callrefs[obj]
+                for callee in called_objs:
+                    f.write("extern void fn_%s (void);\n" % (callee))
+            write_initfini(f, obj)
             if obj in test_descr.callrefs:
                 called_objs = test_descr.callrefs[obj]
                 if len(obj) != 1:
@@ -828,6 +837,7 @@  def process_testcase(t):
         f.write("#include <stdio.h>\n")
         f.write("#include <stdlib.h>\n")
         f.write("#include <dlfcn.h>\n")
+        write_initfini(f, '.')
         for s in test_descr.main_program:
             if s[0] == '@':
                 f.write("extern void fn_%s (void);\n" % (s[1:]));