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Signed-off-by: Thorsten Glaser <tg@mirbsd.org>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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It is controlled by ARCH_NEEDS_BOOTSTRAP_RELOCS macro.
Signed-off-by: Jirka <olsajiri@gmail.com>
Acked-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Some powerpc machines can support 64k pages, enabled by the
CONFIG_64K_PAGES option in linux.
However, the uClibc dynamic loader won't currently work on these
machines, as it uses hard-coded values (PAGE_ALIGN, ADDR_ALIGN and
OFFS_ALIGN) in the ldso architecture-specific headers. When running on
a kernel with 64k pages, ld.so tries to mmap with 4k-aligned addresses,
rather than 64k, so mmap fails with -EINVAL.
When booting a 64k machine with a uClibc dynamic linker, init fails
with:
/init:500: can't map '/lib/libc.so.0'
/init:500: can't map '/lib/libc.so.0'
/init:500: can't map '/lib/libc.so.0'
/init: can't load library 'libc.so.0'
Kernel panic - not syncing: Attempted to kill init!
This change allows ld.so determine these alignment masks at runtime,
rather than compile-time. Since we have the _dl_pagesize variable
available, we can use that to generate the appropriate masks.
Since almost all of the architectures can use the common definitions for
the _ALIGN macros, we can consolidate them all in ldso.h, and override
in the sysdep headers where necessary (ie, mips).
This allows me to start a uClibc-based root fs on a 64k machine.
Signed-off-by: Jeremy Kerr <jk at ozlabs org>
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This patch will prefix the i and nr_got variable with an underscore to seperate
them from any variables already present in the functions where the macro is
used.
Needed to silence compiler warnings.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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Replace __inline__ with __always_inline.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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This fixes build breakage introduced in r22868.
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<hcegtvedt@atmel.com>
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