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ld-option is misnamed as it test options to gcc, not to ld.
Renamed it to reflect this.
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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arch_setup_additional_pages currently gets two arguments, the binary
format descripton and an indication if the process uses an executable
stack or not. The second argument is not used by anybody, it could
be removed without replacement.
What actually does make sense is to pass an indication if the process
uses the elf interpreter or not. The glibc code will not use anything
from the vdso if the process does not use the dynamic linker, so for
statically linked binaries the architecture backend can choose not
to map the vdso.
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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It's assumed that .eh_frame is terminated with 4-byte 0 in shared
libraries and executable. It seems to be the case for VDSOs too.
Without this terminator, I saw failures when unwinding from VDSO,
though I don't know how other architectures handle this issue.
For the normal libs, crtendS.o gives this terminator. We can use
such terminating objects. Or we can add a 4-byte 0 with modifying
the linker script like as the patch below.
Signed-off-by: Kaz Kojima <kkojima@rr.iij4u.or.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This cleans up the formatting in the vDSO linker script, mostly just the
use of whitespace. It's intended to approximate the kernel standard
conventions for indenting C, treating elements of the linker script about
like initialized variable definitions.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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CC arch/sh/kernel/vsyscall/vsyscall.o
a/arch/sh/kernel/vsyscall/vsyscall.c: In function 'arch_setup_additional_pages':
a/arch/sh/kernel/vsyscall/vsyscall.c:63: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c:67: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c:82: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c:85: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c: In function 'arch_vma_name':
a/arch/sh/kernel/vsyscall/vsyscall.c:91: error: dereferencing pointer to incomplete type
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Many files include the filename at the beginning, serveral used a wrong one.
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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SLAB_KERNEL is an alias of GFP_KERNEL.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Ignore build-time generated files.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This implements initial support for the vsyscall page on SH.
At the moment we leave it configurable due to having nommu
to support from the same code base. We hook it up for the
signal trampoline return at present, with more to be added
later, once uClibc catches up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Sam Ravnborg
Martin Schwidefsky
Kaz Kojima
Roland McGrath
Paul Mundt
Manuel Lauss
Uwe Kleine-König
Christoph Lameter