mirror of https://github.com/mkerrisk/man-pages
arch_prctl.2: Minor tweaks to Andy Lutomirski's patch
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -118,7 +118,7 @@ As an optimization, if a 32-bit TLS base address is used,
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.BR arch_prctl (2)
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may use a real TLS entry as if
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.BR set_thread_area (2)
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had been called instead of manipulating the segment base register directly.
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had been called, instead of manipulating the segment base register directly.
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Memory in the first 2GB of address space can be allocated by using
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.BR mmap (2)
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with the
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@ -138,8 +138,9 @@ You have to declare it yourself for now.
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This may be fixed in future glibc versions.
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.I FS
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may be already used by the threading library. Glibc programs that use
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.I ARCH_SET_FS
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may be already used by the threading library.
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Glibc programs that use
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.B ARCH_SET_FS
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directly are very likely to crash.
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.SH SEE ALSO
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.BR mmap (2),
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