diff options
| -rw-r--r-- | elf/Makefile | 14 | ||||
| -rw-r--r-- | elf/tst-align3.c | 38 | ||||
| -rw-r--r-- | elf/tst-alignmod3.c | 32 |
3 files changed, 82 insertions, 2 deletions
diff --git a/elf/Makefile b/elf/Makefile index d0bb0daa7e..fe42caeb0e 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -207,7 +207,7 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \ tst-tls4 tst-tls5 \ tst-tls10 tst-tls11 tst-tls12 tst-tls13 tst-tls14 tst-tls15 \ tst-tls16 tst-tls17 tst-tls18 tst-tls19 tst-tls-dlinfo \ - tst-align tst-align2 \ + tst-align tst-align2 tst-align3 \ tst-dlmodcount tst-dlopenrpath tst-deep1 \ tst-dlmopen1 tst-dlmopen3 tst-dlmopen4 \ unload3 unload4 unload5 unload6 unload7 unload8 tst-global1 order2 \ @@ -241,6 +241,9 @@ tests-internal += loadtest unload unload2 circleload1 \ tests-container += tst-pldd tst-dlopen-tlsmodid-container \ tst-dlopen-self-container tst-preload-pthread-libc test-srcs = tst-pathopt +ifeq (yes,$(have-fpie)) +tests-pie += tst-align3 +endif selinux-enabled := $(shell cat /selinux/enforce 2> /dev/null) ifneq ($(selinux-enabled),1) tests-execstack-yes = tst-execstack tst-execstack-needed tst-execstack-prog @@ -302,7 +305,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ circlemod3 circlemod3a \ reldep8mod1 reldep8mod2 reldep8mod3 \ reldep9mod1 reldep9mod2 reldep9mod3 \ - tst-alignmod tst-alignmod2 \ + tst-alignmod tst-alignmod2 tst-alignmod3 \ $(modules-execstack-$(have-z-execstack)) \ tst-dlopenrpathmod tst-deep1mod1 tst-deep1mod2 tst-deep1mod3 \ tst-dlmopen1mod tst-auditmod1 \ @@ -1093,6 +1096,13 @@ CFLAGS-tst-alignmod.c += $(stack-align-test-flags) CFLAGS-tst-alignmod2.c += $(stack-align-test-flags) $(objpfx)tst-align.out: $(objpfx)tst-alignmod.so $(objpfx)tst-align2: $(objpfx)tst-alignmod2.so +$(objpfx)tst-align3: $(objpfx)tst-alignmod3.so +ifeq (yes,$(have-fpie)) +CFLAGS-tst-align3.c += $(PIE-ccflag) +endif +LDFLAGS-tst-align3 += -Wl,-z,max-page-size=0x200000 +LDFLAGS-tst-alignmod3.so += -Wl,-z,max-page-size=0x200000 +$(objpfx)tst-alignmod3.so: $(libsupport) $(objpfx)unload3.out: $(objpfx)unload3mod1.so $(objpfx)unload3mod2.so \ $(objpfx)unload3mod3.so $(objpfx)unload3mod4.so diff --git a/elf/tst-align3.c b/elf/tst-align3.c new file mode 100644 index 0000000000..ac86d623a6 --- /dev/null +++ b/elf/tst-align3.c @@ -0,0 +1,38 @@ +/* Check alignment of PT_LOAD segment 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/>. */ + +#include <support/check.h> +#include <tst-stack-align.h> + +/* This should cover all possible page sizes we currently support. */ +#define ALIGN 0x200000 + +int bar __attribute__ ((aligned (ALIGN))) = 1; + +extern int do_load_test (void); + +static int +do_test (void) +{ + printf ("bar: %p\n", &bar); + TEST_VERIFY (is_aligned (&bar, ALIGN) == 0); + + return do_load_test (); +} + +#include <support/test-driver.c> diff --git a/elf/tst-alignmod3.c b/elf/tst-alignmod3.c new file mode 100644 index 0000000000..0d33f2379d --- /dev/null +++ b/elf/tst-alignmod3.c @@ -0,0 +1,32 @@ +/* Check alignment of PT_LOAD segment 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/>. */ + +#include <support/check.h> +#include <tst-stack-align.h> + +/* This should cover all possible page sizes we currently support. */ +#define ALIGN 0x200000 + +int foo __attribute__ ((aligned (ALIGN))) = 1; + +void +do_load_test (void) +{ + printf ("foo: %p\n", &foo); + TEST_VERIFY (is_aligned (&foo, ALIGN) == 0); +} |