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SubjectRe: Stack overflows.

On Thu, 19 Dec 1996, Systemkennung Linux wrote:
> The trampolines generated by GCC for code like
> or for certain objective C constructs assume that the stack frame is
> executable. Trampolines are being used in the GNU libc and it's dynamic
> linker, so it's a really bad idea to make the stack non-executable.
> Btw, performancewise trampolines really suck on architecture that have to
> maintain their I/D-cache consistence in software like 68k or MIPS. Even
> Intel from Pentium on get a performance hit so better don't use them.

Why does GNU libc use them, then? Shouldn't this be fixed?


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