102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390X_S390_H
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#define _ASM_S390X_S390_H
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#include <linux/compat.h>
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#include <linux/socket.h>
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#include <linux/syscalls.h>
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#include <asm/ptrace.h>
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/*
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* Macro that masks the high order bit of a 32 bit pointer and
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* converts it to a 64 bit pointer.
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*/
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#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
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#define AA(__x) ((unsigned long)(__x))
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/* Now 32bit compatibility types */
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struct ipc_kludge_32 {
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__u32 msgp; /* pointer */
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__s32 msgtyp;
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};
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/* asm/sigcontext.h */
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typedef union {
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__u64 d;
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__u32 f;
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} freg_t32;
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typedef struct {
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unsigned int fpc;
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unsigned int pad;
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freg_t32 fprs[__NUM_FPRS];
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} _s390_fp_regs32;
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typedef struct {
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psw_t32 psw;
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__u32 gprs[__NUM_GPRS];
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__u32 acrs[__NUM_ACRS];
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} _s390_regs_common32;
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typedef struct {
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_s390_regs_common32 regs;
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_s390_fp_regs32 fpregs;
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} _sigregs32;
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typedef struct {
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__u32 gprs_high[__NUM_GPRS];
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__u64 vxrs_low[__NUM_VXRS_LOW];
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__vector128 vxrs_high[__NUM_VXRS_HIGH];
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__u8 __reserved[128];
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} _sigregs_ext32;
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#define _SIGCONTEXT_NSIG32 64
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#define _SIGCONTEXT_NSIG_BPW32 32
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#define __SIGNAL_FRAMESIZE32 96
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#define _SIGMASK_COPY_SIZE32 (sizeof(u32) * 2)
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struct sigcontext32 {
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__u32 oldmask[_COMPAT_NSIG_WORDS];
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__u32 sregs; /* pointer */
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};
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/* asm/signal.h */
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/* asm/ucontext.h */
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struct ucontext32 {
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__u32 uc_flags;
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__u32 uc_link; /* pointer */
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compat_stack_t uc_stack;
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_sigregs32 uc_mcontext;
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compat_sigset_t uc_sigmask;
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/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
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unsigned char __unused[128 - sizeof(compat_sigset_t)];
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_sigregs_ext32 uc_mcontext_ext;
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};
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struct stat64_emu31;
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struct mmap_arg_struct_emu31;
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struct fadvise64_64_args;
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long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
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long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
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long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
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long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
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long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
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long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
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long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
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long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
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long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
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long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
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long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
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long compat_sys_s390_read(unsigned int fd, char __user *buf, compat_size_t count);
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long compat_sys_s390_write(unsigned int fd, const char __user *buf, compat_size_t count);
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long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
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long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
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long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
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long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
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long compat_sys_sigreturn(void);
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long compat_sys_rt_sigreturn(void);
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#endif /* _ASM_S390X_S390_H */
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