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authorAl Viro <viro@zeniv.linux.org.uk>2020-06-14 05:03:25 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2021-01-06 14:40:56 +0100
commit7facdc426f86c67e579e49e100943cbccc43e1c6 (patch)
treea0876eb192b15ff1a05e0560048f0306c1ccfd3b /include/xen/xenbus.h
parentelf_prstatus: collect the common part (everything before pr_reg) into a struct (diff)
downloadlinux-7facdc426f86c67e579e49e100943cbccc43e1c6.tar.xz
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[amd64] clean PRSTATUS_SIZE/SET_PR_FPVALID up properly
To get rid of hardcoded size/offset in those macros we need to have a definition of i386 variant of struct elf_prstatus. However, we can't do that in asm/compat.h - the types needed for that are not there and adding an include of asm/user32.h into asm/compat.h would cause a lot of mess. That could be conveniently done in elfcore-compat.h, but currently there is nowhere to put arch-dependent parts of it - no asm/elfcore-compat.h. So we introduce a new file (asm/elfcore-compat.h, present on architectures that have CONFIG_ARCH_HAS_ELFCORE_COMPAT set, currently only on x86), have it pulled by linux/elfcore-compat.h and move the definitions there. As a side benefit, we don't need to worry about accidental inclusion of that file into binfmt_elf.c itself, so we don't need the dance with COMPAT_PRSTATUS_SIZE, etc. - only fs/compat_binfmt_elf.c will see that header. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/xen/xenbus.h')
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