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h8300: kill useless wrappers, fix rt_sigreturn(2)

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-11-14 01:20:31 -05:00
parent 6bc43c9ee9
commit ac416143b0
2 changed files with 6 additions and 23 deletions
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14
arch/h8300/kernel/signal.c
View file

@ -129,9 +129,9 @@ struct rt_sigframe
} __attribute__((aligned(2),packed)); } __attribute__((aligned(2),packed));
static inline int static inline int
restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc, restore_sigcontext(struct sigcontext *usc, int *pd0)
int *pd0)
{ {
struct pt_regs *regs = current_pt_regs();
int err = 0; int err = 0;
unsigned int ccr; unsigned int ccr;
unsigned int usp; unsigned int usp;
@ -160,9 +160,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc,
return err; 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(); unsigned long usp = rdusp();
struct sigframe *frame = (struct sigframe *)(usp - 4); struct sigframe *frame = (struct sigframe *)(usp - 4);
sigset_t set; sigset_t set;
@ -178,7 +177,7 @@ asmlinkage int do_sigreturn(unsigned long __unused,...)
set_current_blocked(&set); set_current_blocked(&set);
if (restore_sigcontext(regs, &frame->sc, &er0)) if (restore_sigcontext(&frame->sc, &er0))
goto badframe; goto badframe;
return er0; return er0;
@ -187,9 +186,8 @@ badframe:
return 0; 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(); unsigned long usp = rdusp();
struct rt_sigframe *frame = (struct rt_sigframe *)(usp - 4); struct rt_sigframe *frame = (struct rt_sigframe *)(usp - 4);
sigset_t set; sigset_t set;
@ -202,7 +200,7 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused,...)
set_current_blocked(&set); set_current_blocked(&set);
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &er0)) if (restore_sigcontext(&frame->uc.uc_mcontext, &er0))
goto badframe; goto badframe;
if (restore_altstack(&frame->uc.uc_stack)) if (restore_altstack(&frame->uc.uc_stack))

15
arch/h8300/kernel/syscalls.S
View file

@ -334,18 +334,3 @@ SYMBOL_NAME_LABEL(sys_call_table)
.long SYMBOL_NAME(sys_getcpu) .long SYMBOL_NAME(sys_getcpu)
.long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_pwait */ .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_pwait */
.long SYMBOL_NAME(sys_setns) /* 320 */ .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