diff options
Diffstat (limited to 'arch/arm64/kernel/signal.c')
| -rw-r--r-- | arch/arm64/kernel/signal.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index e18c48cb6db1..f12f8a0914e7 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -29,6 +29,7 @@ #include <asm/debug-monitors.h> #include <asm/elf.h> #include <asm/cacheflush.h> +#include <asm/compat.h> #include <asm/ucontext.h> #include <asm/unistd.h> #include <asm/fpsimd.h> @@ -276,7 +277,7 @@ static int setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, static void setup_restart_syscall(struct pt_regs *regs) { - if (is_compat_task()) + if (is_a32_compat_task()) compat_setup_restart_syscall(regs); else regs->regs[8] = __NR_restart_syscall; @@ -295,7 +296,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) /* * Set up the stack frame */ - if (is_compat_task()) { + if (is_a32_compat_task()) { if (ksig->ka.sa.sa_flags & SA_SIGINFO) ret = compat_setup_rt_frame(usig, ksig, oldset, regs); else @@ -414,3 +415,19 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, fpsimd_restore_current_state(); } + +/* + * Some functions are needed for compat ptrace but we don't define + * them if we don't have AARCH32 support compiled in + */ +#if defined CONFIG_COMPAT && !defined CONFIG_AARCH32_EL0 +int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) +{ + return -EFAULT; +} + +int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) +{ + return -EFAULT; +} +#endif |