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Message-ID: <20150518183929.GA6370@euler>
Date: Mon, 18 May 2015 20:39:30 +0200
From: Felix Janda <felix.janda@...teo.de>
To: musl@...ts.openwall.com
Subject: Re: ppc soft-float regression
Something seems to be wrong with the powerpc copy relocations.
Attached is a binary for testing (qemu-ppc works fine). It is compiled
from
#include <stdio.h>
extern char **environ;
int main(int argc, char **argv)
{
printf("%p %p\n", environ, &argv[argc + 1]);
return 0;
}
Output before dynamic linker overhaul:
0xf6f4f830 0xf6f4f830
and after:
0 0xf6f4f830
It seems to me that the dynamic linker indeed copies environ, which is
0 at that point, but that __init_libc uses the old location of environ.
Felix
Download attachment "a.out" of type "application/octet-stream" (6308 bytes)
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