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-rw-r--r--arch/x86/kernel/signal.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index d7a1583..ccfb274 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -549,23 +549,27 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
#endif /* CONFIG_X86_32 */
#ifdef CONFIG_X86_32
-ptregscall int
-sys_sigaltstack(struct pt_regs *regs, const stack_t __user *uss,
- stack_t __user *uoss)
+int sys_sigaltstack(struct pt_regs *regs)
+{
+ const stack_t __user *uss = (const stack_t __user *)regs->bx;
+ stack_t __user *uoss = (stack_t __user *)regs->cx;
+
+ return do_sigaltstack(uss, uoss, regs->sp);
+}
#else /* !CONFIG_X86_32 */
asmlinkage long
sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
struct pt_regs *regs)
-#endif /* CONFIG_X86_32 */
{
return do_sigaltstack(uss, uoss, regs->sp);
}
+#endif /* CONFIG_X86_32 */
/*
* Do a signal return; undo the signal stack.
*/
#ifdef CONFIG_X86_32
-ptregscall unsigned long sys_sigreturn(struct pt_regs *regs)
+unsigned long sys_sigreturn(struct pt_regs *regs)
{
struct sigframe __user *frame;
unsigned long ax;
@@ -629,13 +633,16 @@ badframe:
}
#ifdef CONFIG_X86_32
-ptregscall int sys_rt_sigreturn(struct pt_regs *regs)
+int sys_rt_sigreturn(struct pt_regs *regs)
+{
+ return do_rt_sigreturn(regs);
+}
#else /* !CONFIG_X86_32 */
asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
-#endif /* CONFIG_X86_32 */
{
return do_rt_sigreturn(regs);
}
+#endif /* CONFIG_X86_32 */
/*
* OK, we're invoking a handler:
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