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9031fefde6
This patch adds VDSO support for 64-bit applications. The VDSO code is currently used for sys_rt_sigreturn() and optimised gettimeofday() (using the user-accessible generic counter). Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
16 lines
438 B
Bash
Executable File
16 lines
438 B
Bash
Executable File
#!/bin/sh
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#
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# Match symbols in the DSO that look like VDSO_*; produce a header file
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# of constant offsets into the shared object.
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#
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# Doing this inside the Makefile will break the $(filter-out) function,
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# causing Kbuild to rebuild the vdso-offsets header file every time.
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#
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# Author: Will Deacon <will.deacon@arm.com
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#
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LC_ALL=C
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sed -n -e 's/^00*/0/' -e \
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's/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso_offset_\2\t0x\1/p'
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