[Bug ld/20852] glibc/MIPS strfry call strlen by bal not jalr

[ambrosehua at 126 dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20852

--- Comment #3 from ambrosehua at 126 dot com ---
(In reply to Florian Weimer from comment #2)
> There is no expectation that strlen can be interposed with the effect that
> glibc starts using the interposed version.
> 
I don't get it, do you mean even strlen in glibc is interposed, the function of
strfry is still OK?
> Are you concerned about the efficiency loss due to the superfluous load of
> the address of the interposed strlen?

my point is 

Based on what can make such "jalr to bal" transformation on calling a global
function living in the same DSO like strlen? The superfluous load is efficiency
loss, But if strlen living is using gp, then superfluous load can cause trouble

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