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2008-02-29elfcore-compat fix uid/gid typesRoland McGrath
I overlooked the difference between __kernel_uid_t and uid_t when defining struct compat_elf_prpsinfo. The result is a regression in 32-bit core dumps on x86_64, where the NT_PRPSINFO note has the wrong size and layout. This patch fixes it. Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17Add linux/elfcore-compat.hRoland McGrath
This adds the linux/elfcore-compat.h header file, which is the CONFIG_COMPAT analog of the linux/elfcore.h header. Each arch that needs to fake out fs/binfmt_elf.c for its compat code can use this header to replace the hand-copied definitions of the compat variants of struct elf_prstatus et al. Only the pr_reg field varies by arch, so asm/{compat,elf}.h must define compat_elf_gregset_t before linux/elfcore-compat.h can be used. It's a clean-up that every arch with compat core dumping code can benefit from. I only touched the ones I have handy to test at home. Doing the same for each other arch should be straightforward, and I'm happy to offer tips. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Andi Kleen <ak@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>