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7f01d691c7
There were multiple copy of the same code spread over the different architectures handling the vDSO. This patch is merging the duplicated code in arch/*/vdso-pie.c and arch/*/include/asm/vdso.h in the common files and let only the architecture specific part in the arch/*/* files. The file are now organized this way: include/asm-generic/vdso.h contains basic definition which could be overwritten by architectures. arch/*/include/asm/vdso.h contains per architecture definitions. It may includes include/asm-generic/vdso.h pie/util-vdso.c include/util-vdso.h These files contains code and definitions common to both criu and the parasite code. The file include/util-vdso.h includes arch/*/include/asm/vdso.h. pie/parsite-vdso.c include/parasite-vdso.h contains code and definition specific to the parasite code handling the vDSO. The file include/parasite-vdso.h includes include/util-vdso.h. arch/*/vdso-pie.c contains the architecture specific code installing the vDSO trampoline. vdso.c include/vdso.h contains code and definition specific to the criu code handling the vDSO. The file include/vdso.h includes include/util-vdso.h. CC: Christopher Covington <cov@codeaurora.org> CC: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
12 lines
380 B
C
12 lines
380 B
C
#ifndef __CR_ASM_GENERIC_VDSO_H__
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#define __CR_ASM_GENERIC_VDSO_H__
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#define VDSO_PROT (PROT_READ | PROT_EXEC)
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#define VVAR_PROT (PROT_READ)
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#define VDSO_BAD_ADDR (-1ul)
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#define VVAR_BAD_ADDR VDSO_BAD_ADDR
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#define VDSO_BAD_PFN (-1ull)
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#define VVAR_BAD_PFN VDSO_BAD_PFN
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#endif /* __CR_ASM_GENERIC_VDSO_H__ */
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