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Re: [PATCH v2 1/3] posix: Remove dynamic memory allocation from execl{e,p}
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- Cc: <libc-alpha at sourceware dot org>
- Date: Mon, 1 Feb 2016 17:53:24 +0000
- Subject: Re: [PATCH v2 1/3] posix: Remove dynamic memory allocation from execl{e,p}
- Authentication-results: sourceware.org; auth=none
- References: <1454343665-1706-1-git-send-email-adhemerval dot zanella at linaro dot org> <1454343665-1706-2-git-send-email-adhemerval dot zanella at linaro dot org> <alpine dot DEB dot 2 dot 10 dot 1602011648030 dot 2674 at digraph dot polyomino dot org dot uk> <56AF936C dot 6070907 at linaro dot org>
On Mon, 1 Feb 2016, Adhemerval Zanella wrote:
> Right, it is not ensuring the safeness. Is '-fstack-check' the suffice
> option to ensure it or do we need a more strict one?
I think it's the right option, but don't know if it works reliably across
supported architectures and GCC versions (or, at least, does not generate
wrong code even if the checks aren't fully safe in all cases) - it's not
very widely used.
--
Joseph S. Myers
joseph@codesourcery.com