[v7,3/4] elf: Add a test for PT_LOAD segments with p_align == 1 [BZ #28688]
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Commit Message
Add tst-p_alignmod2-edit to edit the copy of tst-alignmod3.so to set
p_align of the first PT_LOAD segment to 1 and verify that the shared
library can be loaded normally.
---
elf/Makefile | 13 +++++++++++++
elf/tst-p_align2.c | 27 +++++++++++++++++++++++++++
elf/tst-p_alignmod2-edit.c | 27 +++++++++++++++++++++++++++
3 files changed, 67 insertions(+)
create mode 100644 elf/tst-p_align2.c
create mode 100644 elf/tst-p_alignmod2-edit.c
Comments
On 03/01/2022 20:04, H.J. Lu wrote:
> Add tst-p_alignmod2-edit to edit the copy of tst-alignmod3.so to set
> p_align of the first PT_LOAD segment to 1 and verify that the shared
> library can be loaded normally.
> ---
> elf/Makefile | 13 +++++++++++++
> elf/tst-p_align2.c | 27 +++++++++++++++++++++++++++
> elf/tst-p_alignmod2-edit.c | 27 +++++++++++++++++++++++++++
> 3 files changed, 67 insertions(+)
> create mode 100644 elf/tst-p_align2.c
> create mode 100644 elf/tst-p_alignmod2-edit.c
>
> diff --git a/elf/Makefile b/elf/Makefile
> index 9c831faac1..e4be3fa518 100644
> --- a/elf/Makefile
> +++ b/elf/Makefile
> @@ -406,7 +406,9 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
> ifeq (yes,$(build-shared))
> tests += \
> tst-p_alignmod1-edit \
> + tst-p_alignmod2-edit \
> tst-p_align1 \
> + tst-p_align2 \
>
Maybe add a #test as final member?
> endif
>
> @@ -2097,3 +2099,14 @@ $(objpfx)tst-p_alignmod1.so: $(objpfx)tst-p_alignmod1-edit \
> cp $(objpfx)tst-alignmod3.so $@
> $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
> $(objpfx)tst-p_alignmod1-edit $@
> +
> +$(objpfx)tst-p_align2: $(objpfx)tst-p_alignmod2.so
> +
> +# Make a copy of tst-alignmod3.so and update p_align of the first PT_LOAD
> +# segment.
> +$(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
> + $(objpfx)tst-alignmod3.so
Same as previous patch, it uses tst-alignmod3.so which only defined in next one.
> + rm -f $@
> + cp $(objpfx)tst-alignmod3.so $@
> + $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
> + $(objpfx)tst-p_alignmod2-edit $@
> diff --git a/elf/tst-p_align2.c b/elf/tst-p_align2.c
> new file mode 100644
> index 0000000000..cab9793220
> --- /dev/null
> +++ b/elf/tst-p_align2.c
> @@ -0,0 +1,27 @@
> +/* Check different alignments of PT_LOAD segments in a shared library.
> + Copyright (C) 2021 Free Software Foundation, Inc.
Update the Copyright year.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <https://www.gnu.org/licenses/>. */
> +
> +extern int do_load_test (void);
> +
> +static int
> +do_test (void)
> +{
> + return do_load_test ();
> +}
> +
> +#include <support/test-driver.c>
> diff --git a/elf/tst-p_alignmod2-edit.c b/elf/tst-p_alignmod2-edit.c
> new file mode 100644
> index 0000000000..2f47b37c9e
> --- /dev/null
> +++ b/elf/tst-p_alignmod2-edit.c
> @@ -0,0 +1,27 @@
> +/* Set p_align of the first PT_LOAD segment to 1.
> + Copyright (C) 2021 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <https://www.gnu.org/licenses/>. */
> +
> +#include "tst-elf-edit.h"
> +
> +/* Set p_align to 1. */
> +
> +static size_t
> +update_p_align (size_t p_align __attribute__ ((unused)))
> +{
> + return 1;
> +}
On 18/01/2022 13:32, Adhemerval Zanella wrote:
>
>
> On 03/01/2022 20:04, H.J. Lu wrote:
>> Add tst-p_alignmod2-edit to edit the copy of tst-alignmod3.so to set
>> p_align of the first PT_LOAD segment to 1 and verify that the shared
>> library can be loaded normally.
>> ---
>> elf/Makefile | 13 +++++++++++++
>> elf/tst-p_align2.c | 27 +++++++++++++++++++++++++++
>> elf/tst-p_alignmod2-edit.c | 27 +++++++++++++++++++++++++++
>> 3 files changed, 67 insertions(+)
>> create mode 100644 elf/tst-p_align2.c
>> create mode 100644 elf/tst-p_alignmod2-edit.c
>>
>> diff --git a/elf/Makefile b/elf/Makefile
>> index 9c831faac1..e4be3fa518 100644
>> --- a/elf/Makefile
>> +++ b/elf/Makefile
>> @@ -406,7 +406,9 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
>> ifeq (yes,$(build-shared))
>> tests += \
>> tst-p_alignmod1-edit \
>> + tst-p_alignmod2-edit \
>> tst-p_align1 \
>> + tst-p_align2 \
>>
>
> Maybe add a #test as final member?
>
>> endif
>>
>> @@ -2097,3 +2099,14 @@ $(objpfx)tst-p_alignmod1.so: $(objpfx)tst-p_alignmod1-edit \
>> cp $(objpfx)tst-alignmod3.so $@
>> $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
>> $(objpfx)tst-p_alignmod1-edit $@
>> +
>> +$(objpfx)tst-p_align2: $(objpfx)tst-p_alignmod2.so
>> +
>> +# Make a copy of tst-alignmod3.so and update p_align of the first PT_LOAD
>> +# segment.
>> +$(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
>> + $(objpfx)tst-alignmod3.so
>
> Same as previous patch, it uses tst-alignmod3.so which only defined in next one.
>
>> + rm -f $@
>> + cp $(objpfx)tst-alignmod3.so $@
>> + $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
>> + $(objpfx)tst-p_alignmod2-edit $@
>> diff --git a/elf/tst-p_align2.c b/elf/tst-p_align2.c
>> new file mode 100644
>> index 0000000000..cab9793220
>> --- /dev/null
>> +++ b/elf/tst-p_align2.c
>> @@ -0,0 +1,27 @@
>> +/* Check different alignments of PT_LOAD segments in a shared library.
>> + Copyright (C) 2021 Free Software Foundation, Inc.
>
> Update the Copyright year.
>
>> + This file is part of the GNU C Library.
>> +
>> + The GNU C Library is free software; you can redistribute it and/or
>> + modify it under the terms of the GNU Lesser General Public
>> + License as published by the Free Software Foundation; either
>> + version 2.1 of the License, or (at your option) any later version.
>> +
>> + The GNU C Library is distributed in the hope that it will be useful,
>> + but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> + Lesser General Public License for more details.
>> +
>> + You should have received a copy of the GNU Lesser General Public
>> + License along with the GNU C Library; if not, see
>> + <https://www.gnu.org/licenses/>. */
>> +
>> +extern int do_load_test (void);
Same issue as elf/tst-p_align2.c, where do_load_test is defined as returning
void.
>> +
>> +static int
>> +do_test (void)
>> +{
>> + return do_load_test ();
>> +}
>> +
>> +#include <support/test-driver.c>
>> diff --git a/elf/tst-p_alignmod2-edit.c b/elf/tst-p_alignmod2-edit.c
>> new file mode 100644
>> index 0000000000..2f47b37c9e
>> --- /dev/null
>> +++ b/elf/tst-p_alignmod2-edit.c
>> @@ -0,0 +1,27 @@
>> +/* Set p_align of the first PT_LOAD segment to 1.
>> + Copyright (C) 2021 Free Software Foundation, Inc.
>> + This file is part of the GNU C Library.
>> +
>> + The GNU C Library is free software; you can redistribute it and/or
>> + modify it under the terms of the GNU Lesser General Public
>> + License as published by the Free Software Foundation; either
>> + version 2.1 of the License, or (at your option) any later version.
>> +
>> + The GNU C Library is distributed in the hope that it will be useful,
>> + but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> + Lesser General Public License for more details.
>> +
>> + You should have received a copy of the GNU Lesser General Public
>> + License along with the GNU C Library; if not, see
>> + <https://www.gnu.org/licenses/>. */
>> +
>> +#include "tst-elf-edit.h"
>> +
>> +/* Set p_align to 1. */
>> +
>> +static size_t
>> +update_p_align (size_t p_align __attribute__ ((unused)))
>> +{
>> + return 1;
>> +}
On Tue, Jan 18, 2022 at 8:32 AM Adhemerval Zanella
<adhemerval.zanella@linaro.org> wrote:
>
>
>
> On 03/01/2022 20:04, H.J. Lu wrote:
> > Add tst-p_alignmod2-edit to edit the copy of tst-alignmod3.so to set
> > p_align of the first PT_LOAD segment to 1 and verify that the shared
> > library can be loaded normally.
> > ---
> > elf/Makefile | 13 +++++++++++++
> > elf/tst-p_align2.c | 27 +++++++++++++++++++++++++++
> > elf/tst-p_alignmod2-edit.c | 27 +++++++++++++++++++++++++++
> > 3 files changed, 67 insertions(+)
> > create mode 100644 elf/tst-p_align2.c
> > create mode 100644 elf/tst-p_alignmod2-edit.c
> >
> > diff --git a/elf/Makefile b/elf/Makefile
> > index 9c831faac1..e4be3fa518 100644
> > --- a/elf/Makefile
> > +++ b/elf/Makefile
> > @@ -406,7 +406,9 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
> > ifeq (yes,$(build-shared))
> > tests += \
> > tst-p_alignmod1-edit \
> > + tst-p_alignmod2-edit \
> > tst-p_align1 \
> > + tst-p_align2 \
> >
>
> Maybe add a #test as final member?
Fixed.
> > endif
> >
> > @@ -2097,3 +2099,14 @@ $(objpfx)tst-p_alignmod1.so: $(objpfx)tst-p_alignmod1-edit \
> > cp $(objpfx)tst-alignmod3.so $@
> > $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
> > $(objpfx)tst-p_alignmod1-edit $@
> > +
> > +$(objpfx)tst-p_align2: $(objpfx)tst-p_alignmod2.so
> > +
> > +# Make a copy of tst-alignmod3.so and update p_align of the first PT_LOAD
> > +# segment.
> > +$(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
> > + $(objpfx)tst-alignmod3.so
>
> Same as previous patch, it uses tst-alignmod3.so which only defined in next one.
Fixed.
> > + rm -f $@
> > + cp $(objpfx)tst-alignmod3.so $@
> > + $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
> > + $(objpfx)tst-p_alignmod2-edit $@
> > diff --git a/elf/tst-p_align2.c b/elf/tst-p_align2.c
> > new file mode 100644
> > index 0000000000..cab9793220
> > --- /dev/null
> > +++ b/elf/tst-p_align2.c
> > @@ -0,0 +1,27 @@
> > +/* Check different alignments of PT_LOAD segments in a shared library.
> > + Copyright (C) 2021 Free Software Foundation, Inc.
>
> Update the Copyright year.
Fixed.
> > + This file is part of the GNU C Library.
> > +
> > + The GNU C Library is free software; you can redistribute it and/or
> > + modify it under the terms of the GNU Lesser General Public
> > + License as published by the Free Software Foundation; either
> > + version 2.1 of the License, or (at your option) any later version.
> > +
> > + The GNU C Library is distributed in the hope that it will be useful,
> > + but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> > + Lesser General Public License for more details.
> > +
> > + You should have received a copy of the GNU Lesser General Public
> > + License along with the GNU C Library; if not, see
> > + <https://www.gnu.org/licenses/>. */
> > +
> > +extern int do_load_test (void);
> > +
> > +static int
> > +do_test (void)
> > +{
> > + return do_load_test ();
> > +}
> > +
> > +#include <support/test-driver.c>
> > diff --git a/elf/tst-p_alignmod2-edit.c b/elf/tst-p_alignmod2-edit.c
> > new file mode 100644
> > index 0000000000..2f47b37c9e
> > --- /dev/null
> > +++ b/elf/tst-p_alignmod2-edit.c
> > @@ -0,0 +1,27 @@
> > +/* Set p_align of the first PT_LOAD segment to 1.
> > + Copyright (C) 2021 Free Software Foundation, Inc.
> > + This file is part of the GNU C Library.
> > +
> > + The GNU C Library is free software; you can redistribute it and/or
> > + modify it under the terms of the GNU Lesser General Public
> > + License as published by the Free Software Foundation; either
> > + version 2.1 of the License, or (at your option) any later version.
> > +
> > + The GNU C Library is distributed in the hope that it will be useful,
> > + but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> > + Lesser General Public License for more details.
> > +
> > + You should have received a copy of the GNU Lesser General Public
> > + License along with the GNU C Library; if not, see
> > + <https://www.gnu.org/licenses/>. */
> > +
> > +#include "tst-elf-edit.h"
> > +
> > +/* Set p_align to 1. */
> > +
> > +static size_t
> > +update_p_align (size_t p_align __attribute__ ((unused)))
> > +{
> > + return 1;
> > +}
Thanks.
@@ -406,7 +406,9 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
ifeq (yes,$(build-shared))
tests += \
tst-p_alignmod1-edit \
+ tst-p_alignmod2-edit \
tst-p_align1 \
+ tst-p_align2 \
endif
@@ -2097,3 +2099,14 @@ $(objpfx)tst-p_alignmod1.so: $(objpfx)tst-p_alignmod1-edit \
cp $(objpfx)tst-alignmod3.so $@
$(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
$(objpfx)tst-p_alignmod1-edit $@
+
+$(objpfx)tst-p_align2: $(objpfx)tst-p_alignmod2.so
+
+# Make a copy of tst-alignmod3.so and update p_align of the first PT_LOAD
+# segment.
+$(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
+ $(objpfx)tst-alignmod3.so
+ rm -f $@
+ cp $(objpfx)tst-alignmod3.so $@
+ $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
+ $(objpfx)tst-p_alignmod2-edit $@
new file mode 100644
@@ -0,0 +1,27 @@
+/* Check different alignments of PT_LOAD segments in a shared library.
+ Copyright (C) 2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+extern int do_load_test (void);
+
+static int
+do_test (void)
+{
+ return do_load_test ();
+}
+
+#include <support/test-driver.c>
new file mode 100644
@@ -0,0 +1,27 @@
+/* Set p_align of the first PT_LOAD segment to 1.
+ Copyright (C) 2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include "tst-elf-edit.h"
+
+/* Set p_align to 1. */
+
+static size_t
+update_p_align (size_t p_align __attribute__ ((unused)))
+{
+ return 1;
+}