Commit b09a4913 authored by Stephen Rothwell's avatar Stephen Rothwell
Browse files

powerpc: change sys32_ to compat_sys_ 



This allows us to get rid of one type of entry in systbl.S.

In passing we remove the duplicate compat_sys_getdents and
compat_sys_utimes for which there are generic versions.

Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
parent 81e7009e

arch/powerpc/kernel/entry_64.S

+5 −5
Original line number Diff line number Diff line
@@ -262,7 +262,7 @@ _GLOBAL(save_nvgprs) 
 */

_GLOBAL(ppc32_sigsuspend)

	bl	.save_nvgprs

	bl	.sys32_sigsuspend

	bl	.compat_sys_sigsuspend

	b	70f



_GLOBAL(ppc64_rt_sigsuspend)
@@ -272,7 +272,7 @@ _GLOBAL(ppc64_rt_sigsuspend) 


_GLOBAL(ppc32_rt_sigsuspend)

	bl	.save_nvgprs

	bl	.sys32_rt_sigsuspend

	bl	.compat_sys_rt_sigsuspend

70:	cmpdi	0,r3,0

	/* If it returned an error, we need to return via syscall_exit to set

	   the SO bit in cr0 and potentially stop for ptrace. */
@@ -307,7 +307,7 @@ _GLOBAL(ppc_clone) 


_GLOBAL(ppc32_swapcontext)

	bl	.save_nvgprs

	bl	.sys32_swapcontext

	bl	.compat_sys_swapcontext

	b	80f

	

_GLOBAL(ppc64_swapcontext)
@@ -316,11 +316,11 @@ _GLOBAL(ppc64_swapcontext) 
	b	80f



_GLOBAL(ppc32_sigreturn)

	bl	.sys32_sigreturn

	bl	.compat_sys_sigreturn

	b	80f



_GLOBAL(ppc32_rt_sigreturn)

	bl	.sys32_rt_sigreturn

	bl	.compat_sys_rt_sigreturn

	b	80f



_GLOBAL(ppc64_rt_sigreturn)

arch/powerpc/kernel/signal_32.c

+14 −14
Original line number Diff line number Diff line
@@ -58,12 +58,12 @@ 


#ifdef CONFIG_PPC64

#define do_signal	do_signal32

#define sys_sigsuspend	sys32_sigsuspend

#define sys_rt_sigsuspend	sys32_rt_sigsuspend

#define sys_rt_sigreturn	sys32_rt_sigreturn

#define sys_sigaction	sys32_sigaction

#define sys_swapcontext	sys32_swapcontext

#define sys_sigreturn	sys32_sigreturn

#define sys_sigsuspend	compat_sys_sigsuspend

#define sys_rt_sigsuspend	compat_sys_rt_sigsuspend

#define sys_rt_sigreturn	compat_sys_rt_sigreturn

#define sys_sigaction	compat_sys_sigaction

#define sys_swapcontext	compat_sys_swapcontext

#define sys_sigreturn	compat_sys_sigreturn



#define old_sigaction	old_sigaction32

#define sigcontext	sigcontext32
@@ -540,7 +540,7 @@ static long restore_user_regs(struct pt_regs *regs, 
}



#ifdef CONFIG_PPC64

long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,

long compat_sys_rt_sigaction(int sig, const struct sigaction32 __user *act,

		struct sigaction32 __user *oact, size_t sigsetsize)

{

	struct k_sigaction new_ka, old_ka;
@@ -577,7 +577,7 @@ long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, 
 * of a signed int (msr in 32-bit mode) and the register representation

 * of a signed int (msr in 64-bit mode) is performed.

 */

long sys32_rt_sigprocmask(u32 how, compat_sigset_t __user *set,

long compat_sys_rt_sigprocmask(u32 how, compat_sigset_t __user *set,

		compat_sigset_t __user *oset, size_t sigsetsize)

{

	sigset_t s;
@@ -605,7 +605,7 @@ long sys32_rt_sigprocmask(u32 how, compat_sigset_t __user *set, 
	return 0;

}



long sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize)

long compat_sys_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize)

{

	sigset_t s;

	int ret;
@@ -687,7 +687,7 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *d, siginfo_t *s) 
 * (msr in 32-bit mode) and the register representation of a signed int

 * (msr in 64-bit mode) is performed.

 */

long sys32_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo)

long compat_sys_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo)

{

	siginfo_t info;

	int ret;
@@ -706,10 +706,10 @@ long sys32_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo) 
 *  Start Alternate signal stack support

 *

 *  System Calls

 *       sigaltatck               sys32_sigaltstack

 *       sigaltatck               compat_sys_sigaltstack

 */



int sys32_sigaltstack(u32 __new, u32 __old, int r5,

int compat_sys_sigaltstack(u32 __new, u32 __old, int r5,

		      int r6, int r7, int r8, struct pt_regs *regs)

{

	stack_32_t __user * newstack = (stack_32_t __user *)(long) __new;
@@ -942,11 +942,11 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, 
	 */

#ifdef CONFIG_PPC64

	/*

	 * We use the sys32_ version that does the 32/64 bits conversion

	 * We use the compat_sys_ version that does the 32/64 bits conversion

	 * and takes userland pointer directly. What about error checking ?

	 * nobody does any...

	 */

	sys32_sigaltstack((u32)(u64)&rt_sf->uc.uc_stack, 0, 0, 0, 0, 0, regs);

	compat_sys_sigaltstack((u32)(u64)&rt_sf->uc.uc_stack, 0, 0, 0, 0, 0, regs);

	return (int)regs->result;

#else

	do_sigaltstack(&rt_sf->uc.uc_stack, NULL, regs->gpr[1]);

arch/powerpc/kernel/sys_ppc32.c

+52 −164

File changed.

Preview size limit exceeded, changes collapsed.

arch/powerpc/kernel/systbl.S

+57 −59

File changed.

Preview size limit exceeded, changes collapsed.

arch/ppc64/kernel/entry.S

+5 −5
Original line number Diff line number Diff line
@@ -265,7 +265,7 @@ _GLOBAL(save_nvgprs) 
 */

_GLOBAL(ppc32_sigsuspend)

	bl	.save_nvgprs

	bl	.sys32_sigsuspend

	bl	.compat_sys_sigsuspend

	b	70f



_GLOBAL(ppc64_rt_sigsuspend)
@@ -275,7 +275,7 @@ _GLOBAL(ppc64_rt_sigsuspend) 


_GLOBAL(ppc32_rt_sigsuspend)

	bl	.save_nvgprs

	bl	.sys32_rt_sigsuspend

	bl	.compat_sys_rt_sigsuspend

70:	cmpdi	0,r3,0

	/* If it returned an error, we need to return via syscall_exit to set

	   the SO bit in cr0 and potentially stop for ptrace. */
@@ -310,7 +310,7 @@ _GLOBAL(ppc_clone) 


_GLOBAL(ppc32_swapcontext)

	bl	.save_nvgprs

	bl	.sys32_swapcontext

	bl	.compat_sys_swapcontext

	b	80f

	

_GLOBAL(ppc64_swapcontext)
@@ -319,11 +319,11 @@ _GLOBAL(ppc64_swapcontext) 
	b	80f



_GLOBAL(ppc32_sigreturn)

	bl	.sys32_sigreturn

	bl	.compat_sys_sigreturn

	b	80f



_GLOBAL(ppc32_rt_sigreturn)

	bl	.sys32_rt_sigreturn

	bl	.compat_sys_rt_sigreturn

	b	80f



_GLOBAL(ppc64_rt_sigreturn)