diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/Makefile | 4 | ||||
| -rw-r--r-- | elf/tst-unwind-main.c | 38 |
2 files changed, 41 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile index e86874492e..d72e7b67f6 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -187,7 +187,7 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \ tst-nodelete2 tst-audit11 tst-audit12 tst-dlsym-error tst-noload \ tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose \ tst-debug1 tst-main1 tst-absolute-sym tst-absolute-zero tst-big-note \ - tst-unwind-ctor + tst-unwind-ctor tst-unwind-main # reldep9 tests-internal += loadtest unload unload2 circleload1 \ neededtest neededtest2 neededtest3 neededtest4 \ @@ -1495,3 +1495,5 @@ $(objpfx)tst-libc_dlvsym-static.out: $(objpfx)tst-libc_dlvsym-dso.so $(objpfx)tst-big-note: $(objpfx)tst-big-note-lib.so $(objpfx)tst-unwind-ctor: $(objpfx)tst-unwind-ctor-lib.so + +CFLAGS-tst-unwind-main.c += -funwind-tables diff --git a/elf/tst-unwind-main.c b/elf/tst-unwind-main.c new file mode 100644 index 0000000000..d1236032d7 --- /dev/null +++ b/elf/tst-unwind-main.c @@ -0,0 +1,38 @@ +/* Test unwinding through main. + Copyright (C) 2018 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 + <http://www.gnu.org/licenses/>. */ + +#include <unwind.h> +#include <unistd.h> +#include <support/test-driver.h> + +static _Unwind_Reason_Code +callback (struct _Unwind_Context *ctx, void *arg) +{ + return _URC_NO_REASON; +} + +int +main (void) +{ + /* Arrange for this test to be killed if _Unwind_Backtrace runs into an + endless loop. We cannot use the test driver because the complete + call chain needs to be compiled with -funwind-tables so that + _Unwind_Backtrace is able to reach _start. */ + alarm (DEFAULT_TIMEOUT); + _Unwind_Backtrace (callback, 0); +} |