h8300: kill useless wrappers, fix rt_sigreturn(2)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 6 insertions, 23 deletions

diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index 2d37418c04fb..635ece1c5d20 100644
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -129,9 +129,9 @@ struct rt_sigframe
 } __attribute__((aligned(2),packed));
 
 static inline int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc,
-                   int *pd0)
+restore_sigcontext(struct sigcontext *usc, int *pd0)
 {
+        struct pt_regs *regs = current_pt_regs();
         int err = 0;
         unsigned int ccr;
         unsigned int usp;
@@ -160,9 +160,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc,
         return err;
 }
 
-asmlinkage int do_sigreturn(unsigned long __unused,...)
+asmlinkage int sys_sigreturn(void)
 {
-        struct pt_regs *regs = (struct pt_regs *) (&__unused - 1);
         unsigned long usp = rdusp();
         struct sigframe *frame = (struct sigframe *)(usp - 4);
         sigset_t set;
@@ -178,7 +177,7 @@ asmlinkage int do_sigreturn(unsigned long __unused,...)
 
         set_current_blocked(&set);
         
-        if (restore_sigcontext(regs, &frame->sc, &er0))
+        if (restore_sigcontext(&frame->sc, &er0))
                 goto badframe;
         return er0;
 
@@ -187,9 +186,8 @@ badframe:
         return 0;
 }
 
-asmlinkage int do_rt_sigreturn(unsigned long __unused,...)
+asmlinkage int sys_rt_sigreturn(void)
 {
-        struct pt_regs *regs = (struct pt_regs *) &__unused;
         unsigned long usp = rdusp();
         struct rt_sigframe *frame = (struct rt_sigframe *)(usp - 4);
         sigset_t set;
@@ -202,7 +200,7 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused,...)
 
         set_current_blocked(&set);
         
-        if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &er0))
+        if (restore_sigcontext(&frame->uc.uc_mcontext, &er0))
                 goto badframe;
 
         if (restore_altstack(&frame->uc.uc_stack))
diff --git a/arch/h8300/kernel/syscalls.S b/arch/h8300/kernel/syscalls.S
index b74dd0ade58d..5c2168fb9b9e 100644
--- a/arch/h8300/kernel/syscalls.S
+++ b/arch/h8300/kernel/syscalls.S
@@ -334,18 +334,3 @@ SYMBOL_NAME_LABEL(sys_call_table)
         .long SYMBOL_NAME(sys_getcpu)
         .long SYMBOL_NAME(sys_ni_syscall)       /* sys_epoll_pwait */
         .long SYMBOL_NAME(sys_setns)            /* 320 */
-
-        .macro  call_sp addr
-        mov.l   #SYMBOL_NAME(\addr),er6
-        bra     SYMBOL_NAME(syscall_trampoline):8
-        .endm
-
-SYMBOL_NAME_LABEL(sys_sigreturn)
-        call_sp do_sigreturn
-
-SYMBOL_NAME_LABEL(sys_rt_sigreturn)
-        call_sp do_rt_sigreturn
-
-SYMBOL_NAME_LABEL(syscall_trampoline)
-        mov.l   sp,er0
-        jmp     @er6