first commit

1 files changed, 120 insertions, 0 deletions

diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
new file mode 100644
index 000000000..976518c05
--- /dev/null
+++ b/arch/s390/kernel/compat_linux.h
@@ -0,0 +1,120 @@
+#ifndef _ASM_S390X_S390_H
+#define _ASM_S390X_S390_H
+
+#include <linux/compat.h>
+#include <linux/socket.h>
+#include <linux/syscalls.h>
+
+/* Macro that masks the high order bit of an 32 bit pointer and converts it*/
+/*       to a 64 bit pointer */
+#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
+#define AA(__x)				\
+	((unsigned long)(__x))
+
+/* Now 32bit compatibility types */
+struct ipc_kludge_32 {
+        __u32   msgp;                           /* pointer              */
+        __s32   msgtyp;
+};
+
+/* asm/sigcontext.h */
+typedef union
+{
+	__u64   d;
+	__u32   f; 
+} freg_t32;
+
+typedef struct
+{
+	unsigned int	fpc;
+	freg_t32	fprs[__NUM_FPRS];              
+} _s390_fp_regs32;
+
+typedef struct 
+{
+        __u32   mask;
+        __u32	addr;
+} _psw_t32 __attribute__ ((aligned(8)));
+
+typedef struct
+{
+	_psw_t32	psw;
+	__u32		gprs[__NUM_GPRS];
+	__u32		acrs[__NUM_ACRS];
+} _s390_regs_common32;
+
+typedef struct
+{
+	_s390_regs_common32 regs;
+	_s390_fp_regs32     fpregs;
+} _sigregs32;
+
+#define _SIGCONTEXT_NSIG32	64
+#define _SIGCONTEXT_NSIG_BPW32	32
+#define __SIGNAL_FRAMESIZE32	96
+#define _SIGMASK_COPY_SIZE32	(sizeof(u32)*2)
+
+struct sigcontext32
+{
+	__u32	oldmask[_COMPAT_NSIG_WORDS];
+	__u32	sregs;				/* pointer */
+};
+
+/* asm/signal.h */
+
+/* asm/ucontext.h */
+struct ucontext32 {
+	__u32			uc_flags;
+	__u32			uc_link;	/* pointer */	
+	compat_stack_t		uc_stack;
+	_sigregs32		uc_mcontext;
+	compat_sigset_t		uc_sigmask;	/* mask last for extensibility */
+};
+
+struct stat64_emu31;
+struct mmap_arg_struct_emu31;
+struct fadvise64_64_args;
+
+long sys32_chown16(const char __user * filename, u16 user, u16 group);
+long sys32_lchown16(const char __user * filename, u16 user, u16 group);
+long sys32_fchown16(unsigned int fd, u16 user, u16 group);
+long sys32_setregid16(u16 rgid, u16 egid);
+long sys32_setgid16(u16 gid);
+long sys32_setreuid16(u16 ruid, u16 euid);
+long sys32_setuid16(u16 uid);
+long sys32_setresuid16(u16 ruid, u16 euid, u16 suid);
+long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
+long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid);
+long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
+long sys32_setfsuid16(u16 uid);
+long sys32_setfsgid16(u16 gid);
+long sys32_getgroups16(int gidsetsize, u16 __user *grouplist);
+long sys32_setgroups16(int gidsetsize, u16 __user *grouplist);
+long sys32_getuid16(void);
+long sys32_geteuid16(void);
+long sys32_getgid16(void);
+long sys32_getegid16(void);
+long sys32_truncate64(const char __user * path, unsigned long high,
+		      unsigned long low);
+long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
+long sys32_init_module(void __user *umod, unsigned long len,
+		       const char __user *uargs);
+long sys32_delete_module(const char __user *name_user, unsigned int flags);
+long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
+		   u32 poshi, u32 poslo);
+long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
+		    size_t count, u32 poshi, u32 poslo);
+compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count);
+long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf);
+long sys32_lstat64(const char __user * filename,
+		   struct stat64_emu31 __user * statbuf);
+long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf);
+long sys32_fstatat64(unsigned int dfd, const char __user *filename,
+		     struct stat64_emu31 __user* statbuf, int flag);
+unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg);
+long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg);
+long sys32_read(unsigned int fd, char __user * buf, size_t count);
+long sys32_write(unsigned int fd, const char __user * buf, size_t count);
+long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise);
+long sys32_fadvise64_64(struct fadvise64_64_args __user *args);
+#endif /* _ASM_S390X_S390_H */