diff options
Diffstat (limited to 'arch/x86/ia32/ia32_signal.c')
| -rw-r--r-- | arch/x86/ia32/ia32_signal.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 0fc5d8563e1..39356a756b2 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -31,7 +31,7 @@ #include <asm/sigcontext32.h> #include <asm/fpu32.h> #include <asm/proto.h> -#include <asm/vsyscall32.h> +#include <asm/vdso.h> #define DEBUG_SIG 0 @@ -465,13 +465,16 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka, goto give_sigsegv; } - /* Return stub is in 32bit vsyscall page */ - if (current->binfmt->hasvdso) - restorer = VSYSCALL32_SIGRETURN; - else - restorer = (void *)&frame->retcode; - if (ka->sa.sa_flags & SA_RESTORER) + if (ka->sa.sa_flags & SA_RESTORER) { restorer = ka->sa.sa_restorer; + } else { + /* Return stub is in 32bit vsyscall page */ + if (current->binfmt->hasvdso) + restorer = VDSO32_SYMBOL(current->mm->context.vdso, + sigreturn); + else + restorer = (void *)&frame->retcode; + } err |= __put_user(ptr_to_compat(restorer), &frame->pretcode); /* @@ -519,7 +522,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, { struct rt_sigframe __user *frame; struct exec_domain *ed = current_thread_info()->exec_domain; - void __user *restorer = VSYSCALL32_RTSIGRETURN; + void __user *restorer; int err = 0; /* __copy_to_user optimizes that into a single 8 byte store */ @@ -564,6 +567,9 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, if (ka->sa.sa_flags & SA_RESTORER) restorer = ka->sa.sa_restorer; + else + restorer = VDSO32_SYMBOL(current->mm->context.vdso, + rt_sigreturn); err |= __put_user(ptr_to_compat(restorer), &frame->pretcode); /* |