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Re: Passing 64-bit function arguments to assembler

On 10/12/2012 10:55 AM, Mischa Baars wrote:

As can be seen from the objdump output, 64-bit arguments are passed in
32-bit registers

x86_64 clears the upper 32 bit of a 64 bit register if the lower 32 bit are written to, so this isn't a bug.

--
Florian Weimer / Red Hat Product Security Team

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