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Re: [PATCH] warn for unsafe calls to __builtin_return_address
- From: Andreas Schwab <schwab at suse dot de>
- To: Martin Sebor <msebor at gmail dot com>
- Cc: Segher Boessenkool <segher at kernel dot crashing dot org>, Jeff Law <law at redhat dot com>, Martin Sebor <msebor at redhat dot com>, Gcc Patch List <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 05 Aug 2015 09:28:34 +0200
- Subject: Re: [PATCH] warn for unsafe calls to __builtin_return_address
- Authentication-results: sourceware.org; auth=none
- References: <555E2FC6 dot 60804 at redhat dot com> <555E50A5 dot 60309 at redhat dot com> <557A0617 dot 6040605 at redhat dot com> <55B1C845 dot 1030000 at redhat dot com> <20150725142035 dot GB7309 at gate dot crashing dot org> <55B6F232 dot 2080402 at gmail dot com> <20150728142406 dot GA14409 at gate dot crashing dot org> <55B7A368 dot 3060200 at gmail dot com>
Martin Sebor <msebor@gmail.com> writes:
> gcc/testsuite/ChangeLog
> 2015-07-28 Martin Sebor <msebor@redhat.com>
>
> * g++.dg/Wframe-address-in-Wall.C: New test.
> * g++.dg/Wframe-address.C: New test.
> * g++.dg/Wno-frame-address.C: New test.
> * gcc.dg/Wframe-address-in-Wall.c: New test.
> * gcc.dg/Wframe-address.c: New test.
> * gcc.dg/Wno-frame-address.c: New test.
FAIL: g++.dg/Wno-frame-address.C -std=gnu++11 (test for excess errors)
Excess errors:
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:42:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:43:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:44:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:45:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:65:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:66:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:67:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:68:30: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:15:28: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:16:28: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:17:28: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/g++.dg/Wframe-address.C:18:28: error: unsupported argument to 'void* __builtin_return_address(unsigned int)' [-Werror]
FAIL: gcc.dg/Wno-frame-address.c (test for excess errors)
Excess errors:
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:24:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:25:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:26:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:27:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:47:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:48:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:49:5: error: unsupported argument to '__builtin_return_address' [-Werror]
/usr/local/gcc/gcc-20150805/gcc/testsuite/gcc.dg/Wframe-address.c:50:5: error: unsupported argument to '__builtin_return_address' [-Werror]
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."