Commit-ID: f14d8025d263f3c8236775df724a7c1f14e0dc94 Gitweb: https://git.kernel.org/tip/f14d8025d263f3c8236775df724a7c1f14e0dc94 Author: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> AuthorDate: Fri, 21 Jun 2019 10:52:35 +0100 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Sat, 22 Jun 2019 21:21:07 +0200 arm64: compat: Generate asm offsets for signals Update asm-offsets for arm64 to generate the correct offsets for compat signals. They will be useful for the implementation of the compat sigreturn trampolines in vDSO context. Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Tested-by: Shijith Thotton <sthotton@xxxxxxxxxxx> Tested-by: Andre Przywara <andre.przywara@xxxxxxx> Cc: linux-arch@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: linux-mips@xxxxxxxxxxxxxxx Cc: linux-kselftest@xxxxxxxxxxxxxxx Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Will Deacon <will.deacon@xxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Cc: Paul Burton <paul.burton@xxxxxxxx> Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> Cc: Mark Salyzyn <salyzyn@xxxxxxxxxxx> Cc: Peter Collingbourne <pcc@xxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Cc: Dmitry Safonov <0x7f454c46@xxxxxxxxx> Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> Cc: Huw Davies <huw@xxxxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20190621095252.32307-9-vincenzo.frascino@xxxxxxx --- arch/arm64/kernel/asm-offsets.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c index 14c99b7a0c0e..e6f7409a78a4 100644 --- a/arch/arm64/kernel/asm-offsets.c +++ b/arch/arm64/kernel/asm-offsets.c @@ -19,6 +19,7 @@ #include <asm/fixmap.h> #include <asm/thread_info.h> #include <asm/memory.h> +#include <asm/signal32.h> #include <asm/smp_plat.h> #include <asm/suspend.h> #include <linux/kbuild.h> @@ -66,6 +67,11 @@ int main(void) DEFINE(S_STACKFRAME, offsetof(struct pt_regs, stackframe)); DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); BLANK(); +#ifdef CONFIG_COMPAT + DEFINE(COMPAT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_sigframe, uc.uc_mcontext.arm_r0)); + DEFINE(COMPAT_RT_SIGFRAME_REGS_OFFSET, offsetof(struct compat_rt_sigframe, sig.uc.uc_mcontext.arm_r0)); + BLANK(); +#endif DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); BLANK(); DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
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