Commit-ID: f14d8025d263f3c8236775df724a7c1f14e0dc94 Gitweb: https://git.kernel.org/tip/f14d8025d263f3c8236775df724a7c1f14e0dc94 Author: Vincenzo Frascino <vincenzo.frasc...@arm.com> AuthorDate: Fri, 21 Jun 2019 10:52:35 +0100 Committer: Thomas Gleixner <t...@linutronix.de> 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.frasc...@arm.com> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Tested-by: Shijith Thotton <sthot...@marvell.com> Tested-by: Andre Przywara <andre.przyw...@arm.com> Cc: linux-a...@vger.kernel.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-m...@vger.kernel.org Cc: linux-kselft...@vger.kernel.org Cc: Catalin Marinas <catalin.mari...@arm.com> Cc: Will Deacon <will.dea...@arm.com> Cc: Arnd Bergmann <a...@arndb.de> Cc: Russell King <li...@armlinux.org.uk> Cc: Ralf Baechle <r...@linux-mips.org> Cc: Paul Burton <paul.bur...@mips.com> Cc: Daniel Lezcano <daniel.lezc...@linaro.org> Cc: Mark Salyzyn <saly...@android.com> Cc: Peter Collingbourne <p...@google.com> Cc: Shuah Khan <sh...@kernel.org> Cc: Dmitry Safonov <0x7f454...@gmail.com> Cc: Rasmus Villemoes <li...@rasmusvillemoes.dk> Cc: Huw Davies <h...@codeweavers.com> Link: https://lkml.kernel.org/r/20190621095252.32307-9-vincenzo.frasc...@arm.com --- 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));
