[SPARC64]: Add initial compat layer stuff.

arch/sparc64/Kconfig

@@ -352,6 +352,11 @@ config SPARC32_COMPAT
 	  This allows you to run 32-bit binaries on your Ultra.
 	  Everybody wants this; say Y.
 
+config COMPAT
+	bool
+	depends on SPARC32_COMPAT
+	default y
+
 config BINFMT_ELF32
 	tristate "Kernel support for 32-bit ELF binaries"
 	depends on SPARC32_COMPAT

arch/sparc64/kernel/binfmt_elf32.c

@@ -86,11 +86,7 @@ typedef struct {
 #include <linux/module.h>
 #include <linux/config.h>
 #include <linux/elfcore.h>
-
-struct timeval32
-{
-	int tv_sec, tv_usec;
-};
+#include <linux/compat.h>
 
 #define elf_prstatus elf_prstatus32
 struct elf_prstatus32
@@ -103,10 +99,10 @@ struct elf_prstatus32
 	pid_t	pr_ppid;
 	pid_t	pr_pgrp;
 	pid_t	pr_sid;
-	struct timeval32 pr_utime;	/* User time */
-	struct timeval32 pr_stime;	/* System time */
-	struct timeval32 pr_cutime;	/* Cumulative user time */
-	struct timeval32 pr_cstime;	/* Cumulative system time */
+	struct compat_timeval pr_utime;	/* User time */
+	struct compat_timeval pr_stime;	/* System time */
+	struct compat_timeval pr_cutime;	/* Cumulative user time */
+	struct compat_timeval pr_cstime;	/* Cumulative system time */
 	elf_gregset_t pr_reg;	/* GP registers */
 	int pr_fpvalid;		/* True if math co-processor being used.  */
 };
@@ -136,9 +132,9 @@ struct elf_prpsinfo32
 
 #include <linux/time.h>
 
-#define jiffies_to_timeval jiffies_to_timeval32
+#define jiffies_to_timeval jiffies_to_compat_timeval
 static __inline__ void
-jiffies_to_timeval32(unsigned long jiffies, struct timeval32 *value)
+jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
 {
 	value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
 	value->tv_sec = jiffies / HZ;

arch/sparc64/kernel/ioctl32.c

@@ -10,6 +10,7 @@
 
 #include <linux/config.h>
 #include <linux/types.h>
+#include <linux/compat.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/smp.h>
@@ -405,14 +406,9 @@ static int do_video_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-struct timeval32 {
-	int tv_sec;
-	int tv_usec;
-};
-
 static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
 {
-	struct timeval32 *up = (struct timeval32 *)arg;
+	struct compat_timeval *up = (struct compat_timeval *)arg;
 	struct timeval ktv;
 	mm_segment_t old_fs = get_fs();
 	int err;
@@ -1743,8 +1739,8 @@ struct ppp_option_data32 {
 #define PPPIOCSCOMPRESS32	_IOW('t', 77, struct ppp_option_data32)
 
 struct ppp_idle32 {
-	__kernel_time_t32 xmit_idle;
-	__kernel_time_t32 recv_idle;
+	compat_time_t xmit_idle;
+	compat_time_t recv_idle;
 };
 #define PPPIOCGIDLE32		_IOR('t', 63, struct ppp_idle32)
 

arch/sparc64/kernel/signal32.c

@@ -19,6 +19,7 @@
 #include <linux/tty.h>
 #include <linux/smp_lock.h>
 #include <linux/binfmts.h>
+#include <linux/compat.h>
 
 #include <asm/uaccess.h>
 #include <asm/bitops.h>
@@ -181,7 +182,7 @@ asmlinkage void do_rt_sigsuspend32(u32 uset, size_t sigsetsize, struct pt_regs *
 	sigset_t32 set32;
         
 	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (((__kernel_size_t32)sigsetsize) != sizeof(sigset_t)) {
+	if (((compat_size_t)sigsetsize) != sizeof(sigset_t)) {
 		regs->tstate |= TSTATE_ICARRY;
 		regs->u_regs[UREG_I0] = EINVAL;
 		return;

arch/sparc64/kernel/sys32.S

@@ -175,7 +175,7 @@ do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
 	 lduwa		[%o1 + 0x4] %asi, %o1
 	nop
 	nop
-do_sys_sendto: /* sys32_sendto(int, u32, __kernel_size_t32, unsigned int, u32, int) */
+do_sys_sendto: /* sys32_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
 	ldswa		[%o1 + 0x0] %asi, %o0
 	sethi		%hi(sys32_sendto), %g1
 	lduwa		[%o1 + 0x8] %asi, %o2
@@ -184,7 +184,7 @@ do_sys_sendto: /* sys32_sendto(int, u32, __kernel_size_t32, unsigned int, u32, i
 	ldswa		[%o1 + 0x14] %asi, %o5
 	jmpl		%g1 + %lo(sys32_sendto), %g0
 	 lduwa		[%o1 + 0x4] %asi, %o1
-do_sys_recvfrom: /* sys32_recvfrom(int, u32, __kernel_size_t32, unsigned int, u32, u32) */
+do_sys_recvfrom: /* sys32_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
 	ldswa		[%o1 + 0x0] %asi, %o0
 	sethi		%hi(sys32_recvfrom), %g1
 	lduwa		[%o1 + 0x8] %asi, %o2

arch/sparc64/kernel/sys_sunos32.c

@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/types.h>
+#include <linux/compat.h>
 #include <linux/mman.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
@@ -528,11 +529,6 @@ asmlinkage int sunos_pathconf(u32 u_path, int name)
 extern asmlinkage int
 sys32_select(int n, u32 inp, u32 outp, u32 exp, u32 tvp);
 
-struct timeval32
-{
-	int tv_sec, tv_usec;
-};
-
 asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x)
 {
 	int ret;
@@ -540,7 +536,7 @@ asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x)
 	/* SunOS binaries expect that select won't change the tvp contents */
 	ret = sys32_select (width, inp, outp, exp, tvp_x);
 	if (ret == -EINTR && tvp_x) {
-		struct timeval32 *tvp = (struct timeval32 *)A(tvp_x);
+		struct compat_timeval *tvp = (struct compat_timeval *)A(tvp_x);
 		time_t sec, usec;
 
 		__get_user(sec, &tvp->tv_sec);
@@ -948,9 +944,9 @@ struct msqid_ds32
         struct ipc_perm32 msg_perm;
         u32 msg_first;
         u32 msg_last;
-        __kernel_time_t32 msg_stime;
-        __kernel_time_t32 msg_rtime;
-        __kernel_time_t32 msg_ctime;
+        compat_time_t msg_stime;
+        compat_time_t msg_rtime;
+        compat_time_t msg_ctime;
         u32 wwait;
         u32 rwait;
         unsigned short msg_cbytes;
@@ -1085,9 +1081,9 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
 struct shmid_ds32 {
         struct ipc_perm32       shm_perm;
         int                     shm_segsz;
-        __kernel_time_t32       shm_atime;
-        __kernel_time_t32       shm_dtime;
-        __kernel_time_t32       shm_ctime;
+        compat_time_t         shm_atime;
+        compat_time_t         shm_dtime;
+        compat_time_t         shm_ctime;
         __kernel_ipc_pid_t32    shm_cpid; 
         __kernel_ipc_pid_t32    shm_lpid; 
         unsigned short          shm_nattch;

arch/sparc64/kernel/systbls.S

@@ -25,7 +25,7 @@ sys_call_table32:
 /*15*/	.word sys32_chmod, sys32_lchown16, sparc_brk, sys_perfctr, sys32_lseek
 /*20*/	.word sys_getpid, sys_capget, sys_capset, sys32_setuid16, sys32_getuid16
 /*25*/	.word sys_time, sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
-/*30*/	.word sys32_utime, sys_lchown, sys_fchown, sys_access, sys_nice
+/*30*/	.word compat_sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
 	.word sys_chown, sys_sync, sys_kill, sys32_newstat, sys32_sendfile
 /*40*/	.word sys32_newlstat, sys_dup, sys_pipe, sys32_times, sys_getuid
 	.word sys_umount, sys32_setgid16, sys32_getgid16, sys_signal, sys32_geteuid16
@@ -35,8 +35,8 @@ sys_call_table32:
 	.word sys_msync, sys_vfork, sys32_pread64, sys32_pwrite64, sys_geteuid
 /*70*/	.word sys_getegid, sys32_mmap, sys_setreuid, sys_munmap, sys_mprotect
 	.word sys_madvise, sys_vhangup, sys32_truncate64, sys_mincore, sys32_getgroups16
-/*80*/	.word sys32_setgroups16, sys_getpgrp, sys_setgroups, sys32_setitimer, sys32_ftruncate64
-	.word sys_swapon, sys32_getitimer, sys_setuid, sys_sethostname, sys_setgid
+/*80*/	.word sys32_setgroups16, sys_getpgrp, sys_setgroups, compat_sys_setitimer, sys32_ftruncate64
+	.word sys_swapon, compat_sys_getitimer, sys_setuid, sys_sethostname, sys_setgid
 /*90*/	.word sys_dup2, sys_setfsuid, sys32_fcntl, sys32_select, sys_setfsgid
 	.word sys_fsync, sys_setpriority32, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
 /*100*/ .word sys_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending
@@ -68,7 +68,7 @@ sys_call_table32:
 /*230*/	.word sys32_select, sys_time, sys_nis_syscall, sys_stime, sys_alloc_hugepages
 	.word sys_free_hugepages, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
 /*240*/	.word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
-	.word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys32_sched_rr_get_interval, sys32_nanosleep
+	.word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep
 /*250*/	.word sys32_mremap, sys32_sysctl, sys_getsid, sys_fdatasync, sys32_nfsservctl
 	.word sys_aplib
 
@@ -166,8 +166,8 @@ sunos_sys_table:
 	.word sys_mprotect, sys_madvise, sys_vhangup
 	.word sunos_nosys, sys_mincore, sys32_getgroups16
 	.word sys32_setgroups16, sys_getpgrp, sunos_setpgrp
-	.word sys32_setitimer, sunos_nosys, sys_swapon
-	.word sys32_getitimer, sys_gethostname, sys_sethostname
+	.word compat_sys_setitimer, sunos_nosys, sys_swapon
+	.word compat_sys_getitimer, sys_gethostname, sys_sethostname
 	.word sunos_getdtablesize, sys_dup2, sunos_nop
 	.word sys32_fcntl, sunos_select, sunos_nop
 	.word sys_fsync, sys_setpriority32, sunos_socket

arch/sparc64/solaris/misc.c

@@ -16,6 +16,7 @@
 #include <linux/file.h>
 #include <linux/timex.h>
 #include <linux/major.h>
+#include <linux/compat.h>
 
 #include <asm/uaccess.h>
 #include <asm/string.h>
@@ -597,12 +598,8 @@ asmlinkage int solaris_setrlimit64(unsigned int resource, struct rlimit *rlim)
 	return ret;
 }
 
-struct timeval32 {
-	int tv_sec, tv_usec;
-};
-
 struct sol_ntptimeval {
-	struct timeval32 time;
+	struct compat_timeval time;
 	s32 maxerror;
 	s32 esterror;
 };

arch/sparc64/solaris/socket.c

@@ -14,6 +14,7 @@
 #include <linux/socket.h>
 #include <linux/file.h>
 #include <linux/net.h>
+#include <linux/compat.h>
 
 #include <asm/uaccess.h>
 #include <asm/string.h>
@@ -378,7 +379,7 @@ asmlinkage int solaris_sendmsg(int fd, struct sol_nmsghdr *user_msg, unsigned us
 	if(kern_msg.msg_controllen) {
 		struct sol_cmsghdr *ucmsg = (struct sol_cmsghdr *)kern_msg.msg_control;
 		unsigned long *kcmsg;
-		__kernel_size_t32 cmlen;
+		compat_size_t cmlen;
 
 		if(kern_msg.msg_controllen > sizeof(ctl) &&
 		   kern_msg.msg_controllen <= 256) {
@@ -392,7 +393,7 @@ asmlinkage int solaris_sendmsg(int fd, struct sol_nmsghdr *user_msg, unsigned us
 		*kcmsg++ = (unsigned long)cmlen;
 		err = -EFAULT;
 		if(copy_from_user(kcmsg, &ucmsg->cmsg_level,
-				  kern_msg.msg_controllen - sizeof(__kernel_size_t32)))
+				  kern_msg.msg_controllen - sizeof(compat_size_t)))
 			goto out_freectl;
 		kern_msg.msg_control = ctl_buf;
 	}

include/asm-sparc64/compat.h

+#ifndef _ASM_SPARC64_COMPAT_H
+#define _ASM_SPARC64_COMPAT_H
+/*
+ * Architecture specific compatibility types
+ */
+#include <linux/types.h>
+
+typedef u32		compat_size_t;
+typedef s32		compat_ssize_t;
+typedef s32		compat_time_t;
+
+struct compat_timespec {
+	compat_time_t	tv_sec;
+	s32		tv_nsec;
+};
+
+struct compat_timeval {
+	compat_time_t	tv_sec;
+	s32		tv_usec;
+};
+
+#endif /* _ASM_SPARC64_COMPAT_H */

include/asm-sparc64/posix_types.h

@@ -48,10 +48,7 @@ typedef struct {
 } __kernel_fsid_t;
 
 /* Now 32bit compatibility types */
-typedef unsigned int           __kernel_size_t32;
-typedef int                    __kernel_ssize_t32;
 typedef int                    __kernel_ptrdiff_t32;
-typedef int                    __kernel_time_t32;
 typedef int                    __kernel_clock_t32;
 typedef int                    __kernel_pid_t32;
 typedef unsigned short         __kernel_ipc_pid_t32;

include/asm-sparc64/signal.h

@@ -8,6 +8,7 @@
 #ifndef __ASSEMBLY__
 #include <linux/personality.h>
 #include <linux/types.h>
+#include <linux/compat.h>
 #endif
 #endif
 
@@ -250,7 +251,7 @@ typedef struct sigaltstack {
 typedef struct sigaltstack32 {
 	u32			ss_sp;
 	int			ss_flags;
-	__kernel_size_t32	ss_size;
+	compat_size_t		ss_size;
 } stack_t32;
 
 #define HAVE_ARCH_GET_SIGNAL_TO_DELIVER

include/asm-sparc64/stat.h

@@ -3,6 +3,7 @@
 #define _SPARC64_STAT_H
 
 #include <linux/types.h>
+#include <linux/compat.h>
 #include <linux/time.h>
 
 struct stat32 {
@@ -14,11 +15,11 @@ struct stat32 {
 	__kernel_gid_t32   st_gid;
 	__kernel_dev_t32   st_rdev;
 	__kernel_off_t32   st_size;
-	__kernel_time_t32  st_atime;
+	compat_time_t    st_atime;
 	unsigned int       __unused1;
-	__kernel_time_t32  st_mtime;
+	compat_time_t    st_mtime;
 	unsigned int       __unused2;
-	__kernel_time_t32  st_ctime;
+	compat_time_t    st_ctime;
 	unsigned int       __unused3;
 	__kernel_off_t32   st_blksize;
 	__kernel_off_t32   st_blocks;