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authorAl Viro <viro@zeniv.linux.org.uk>2012-11-14 01:20:31 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-03 18:15:56 -0500
commitac416143b0b4f13ff8f7beb021916e1d714dd87b (patch)
tree0e91321619a45379baf1b9cd73aad614123758ac /arch/h8300/kernel
parent6bc43c9ee92b4146b56e8758cec73f0990410326 (diff)
h8300: kill useless wrappers, fix rt_sigreturn(2)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/h8300/kernel')
-rw-r--r--arch/h8300/kernel/signal.c14
-rw-r--r--arch/h8300/kernel/syscalls.S15
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