How could I configure to use glibc in memcpy function

[sandwich125]

I remeber s2e rewrite memcpy() function in s2e.so, so in defalut memcpy() could not call glibc, Now if I do not want memcpy() to call rewrite lib in s2e, I only want memcpy() to call glibc, How coud I configre?

 

[Vitaly Chipounov]

This only happens if the FunctionModels plugin is enabled. Otherwise, s2e.so forwards the call to the original memcpy [2].

Vitaly

[1] http://s2e.systems/docs/Plugins/Linux/FunctionModels.html
[2] https://github.com/S2E/s2e/blob/master/guest/linux/function_models/models.c#L237

On 12/13/20 7:51 AM, sandwich125 wrote:

I remeber s2e rewrite memcpy() function in s2e.so, so in defalut memcpy() could not call glibc, Now if I do not want memcpy() to call rewrite lib in s2e, I only want memcpy() to call glibc, How coud I configre?

 

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