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MIPS: CVE-2009-0029: Enable syscall wrappers.
Thanks to David Daney helping with debugging and testing. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David Daney <ddaney@caviumnetworks.com>
This commit is contained in:
Ralf Baechle
parent
4b0d3f5c28
commit
dbda6ac089
@ -1391,6 +1391,7 @@ config 32BIT
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config 64BIT
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bool "64-bit kernel"
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depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
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select HAVE_SYSCALL_WRAPPERS
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help
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Select this option if you want to build a 64-bit kernel.
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@ -32,6 +32,7 @@
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#include <linux/module.h>
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#include <linux/binfmts.h>
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#include <linux/security.h>
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#include <linux/syscalls.h>
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#include <linux/compat.h>
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#include <linux/vfs.h>
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#include <linux/ipc.h>
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@ -63,9 +64,9 @@
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#define merge_64(r1, r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL))
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#endif
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asmlinkage unsigned long
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sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
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unsigned long flags, unsigned long fd, unsigned long pgoff)
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SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len,
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unsigned long, prot, unsigned long, flags, unsigned long, fd,
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unsigned long, pgoff)
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{
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struct file * file = NULL;
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unsigned long error;
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@ -121,21 +122,21 @@ struct rlimit32 {
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int rlim_max;
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};
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asmlinkage long sys32_truncate64(const char __user * path,
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unsigned long __dummy, int a2, int a3)
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SYSCALL_DEFINE4(32_truncate64, const char __user *, path,
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unsigned long, __dummy, unsigned long, a2, unsigned long, a3)
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{
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return sys_truncate(path, merge_64(a2, a3));
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}
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asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy,
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int a2, int a3)
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SYSCALL_DEFINE4(32_ftruncate64, unsigned long, fd, unsigned long, __dummy,
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unsigned long, a2, unsigned long, a3)
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{
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return sys_ftruncate(fd, merge_64(a2, a3));
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}
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asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
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unsigned int offset_low, loff_t __user * result,
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unsigned int origin)
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SYSCALL_DEFINE5(32_llseek, unsigned long, fd, unsigned long, offset_high,
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unsigned long, offset_low, loff_t __user *, result,
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unsigned long, origin)
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{
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return sys_llseek(fd, offset_high, offset_low, result, origin);
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}
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@ -144,20 +145,20 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
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lseek back to original location. They fail just like lseek does on
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non-seekable files. */
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asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf,
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size_t count, u32 unused, u64 a4, u64 a5)
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SYSCALL_DEFINE6(32_pread, unsigned long, fd, char __user *, buf, size_t, count,
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unsigned long, unused, unsigned long, a4, unsigned long, a5)
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{
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return sys_pread64(fd, buf, count, merge_64(a4, a5));
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}
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asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf,
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size_t count, u32 unused, u64 a4, u64 a5)
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SYSCALL_DEFINE6(32_pwrite, unsigned int, fd, const char __user *, buf,
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size_t, count, u32, unused, u64, a4, u64, a5)
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{
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return sys_pwrite64(fd, buf, count, merge_64(a4, a5));
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}
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asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
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struct compat_timespec __user *interval)
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SYSCALL_DEFINE2(32_sched_rr_get_interval, compat_pid_t, pid,
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struct compat_timespec __user *, interval)
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{
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struct timespec t;
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int ret;
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@ -174,8 +175,8 @@ asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
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#ifdef CONFIG_SYSVIPC
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asmlinkage long
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sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
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SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third,
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unsigned long, ptr, unsigned long, fifth)
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{
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int version, err;
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@ -233,8 +234,8 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
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#else
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asmlinkage long
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sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
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SYSCALL_DEFINE6(32_ipc, u32, call, int, first, int, second, int, third,
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u32, ptr, u32 fifth)
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{
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return -ENOSYS;
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}
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@ -242,7 +243,7 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
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#endif /* CONFIG_SYSVIPC */
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#ifdef CONFIG_MIPS32_N32
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asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg)
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SYSCALL_DEFINE4(n32_semctl, int, semid, int, semnum, int, cmd, u32, arg)
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{
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/* compat_sys_semctl expects a pointer to union semun */
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u32 __user *uptr = compat_alloc_user_space(sizeof(u32));
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@ -251,13 +252,14 @@ asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg)
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return compat_sys_semctl(semid, semnum, cmd, uptr);
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}
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asmlinkage long sysn32_msgsnd(int msqid, u32 msgp, unsigned msgsz, int msgflg)
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SYSCALL_DEFINE4(n32_msgsnd, int, msqid, u32, msgp, unsigned int, msgsz,
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int, msgflg)
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{
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return compat_sys_msgsnd(msqid, msgsz, msgflg, compat_ptr(msgp));
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}
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asmlinkage long sysn32_msgrcv(int msqid, u32 msgp, size_t msgsz, int msgtyp,
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int msgflg)
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SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz,
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int, msgtyp, int, msgflg)
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{
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return compat_sys_msgrcv(msqid, msgsz, msgtyp, msgflg, IPC_64,
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compat_ptr(msgp));
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@ -277,7 +279,7 @@ struct sysctl_args32
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#ifdef CONFIG_SYSCTL_SYSCALL
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asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
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SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args)
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{
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struct sysctl_args32 tmp;
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int error;
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@ -316,9 +318,16 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
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return error;
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}
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#else
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SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args)
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{
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return -ENOSYS;
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}
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#endif /* CONFIG_SYSCTL_SYSCALL */
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asmlinkage long sys32_newuname(struct new_utsname __user * name)
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SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name)
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{
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int ret = 0;
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@ -334,7 +343,7 @@ asmlinkage long sys32_newuname(struct new_utsname __user * name)
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return ret;
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}
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asmlinkage int sys32_personality(unsigned long personality)
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SYSCALL_DEFINE1(32_personality, unsigned long, personality)
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{
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int ret;
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personality &= 0xffffffff;
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@ -357,7 +366,7 @@ struct ustat32 {
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extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf);
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asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32)
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SYSCALL_DEFINE2(32_ustat, dev_t, dev, struct ustat32 __user *, ubuf32)
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{
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int err;
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struct ustat tmp;
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@ -381,8 +390,8 @@ out:
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return err;
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}
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asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
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s32 count)
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SYSCALL_DEFINE4(32_sendfile, long, out_fd, long, in_fd,
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compat_off_t __user *, offset, s32, count)
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{
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mm_segment_t old_fs = get_fs();
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int ret;
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@ -399,7 +399,7 @@ einval: li v0, -ENOSYS
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sys sys_swapon 2
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sys sys_reboot 3
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sys sys_old_readdir 3
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sys old_mmap 6 /* 4090 */
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sys sys_mips_mmap 6 /* 4090 */
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sys sys_munmap 2
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sys sys_truncate 2
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sys sys_ftruncate 2
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@ -519,7 +519,7 @@ einval: li v0, -ENOSYS
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sys sys_sendfile 4
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sys sys_ni_syscall 0
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sys sys_ni_syscall 0
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sys sys_mmap2 6 /* 4210 */
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sys sys_mips_mmap2 6 /* 4210 */
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sys sys_truncate64 4
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sys sys_ftruncate64 4
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sys sys_stat64 2
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@ -207,7 +207,7 @@ sys_call_table:
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PTR sys_newlstat
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PTR sys_poll
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PTR sys_lseek
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PTR old_mmap
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PTR sys_mips_mmap
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PTR sys_mprotect /* 5010 */
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PTR sys_munmap
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PTR sys_brk
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@ -129,12 +129,12 @@ EXPORT(sysn32_call_table)
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PTR sys_newlstat
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PTR sys_poll
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PTR sys_lseek
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PTR old_mmap
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PTR sys_mips_mmap
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PTR sys_mprotect /* 6010 */
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PTR sys_munmap
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PTR sys_brk
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PTR sys32_rt_sigaction
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PTR sys32_rt_sigprocmask
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PTR sys_32_rt_sigaction
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PTR sys_32_rt_sigprocmask
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PTR compat_sys_ioctl /* 6015 */
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PTR sys_pread64
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PTR sys_pwrite64
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@ -159,7 +159,7 @@ EXPORT(sysn32_call_table)
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PTR compat_sys_setitimer
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PTR sys_alarm
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PTR sys_getpid
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PTR sys32_sendfile
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PTR sys_32_sendfile
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PTR sys_socket /* 6040 */
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PTR sys_connect
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PTR sys_accept
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@ -181,14 +181,14 @@ EXPORT(sysn32_call_table)
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PTR sys_exit
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PTR compat_sys_wait4
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PTR sys_kill /* 6060 */
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PTR sys32_newuname
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PTR sys_32_newuname
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PTR sys_semget
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PTR sys_semop
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PTR sysn32_semctl
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PTR sys_n32_semctl
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PTR sys_shmdt /* 6065 */
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PTR sys_msgget
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PTR sysn32_msgsnd
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PTR sysn32_msgrcv
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PTR sys_n32_msgsnd
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PTR sys_n32_msgrcv
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PTR compat_sys_msgctl
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PTR compat_sys_fcntl /* 6070 */
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PTR sys_flock
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@ -245,15 +245,15 @@ EXPORT(sysn32_call_table)
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PTR sys_getsid
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PTR sys_capget
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PTR sys_capset
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PTR sys32_rt_sigpending /* 6125 */
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PTR sys_32_rt_sigpending /* 6125 */
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PTR compat_sys_rt_sigtimedwait
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PTR sys32_rt_sigqueueinfo
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PTR sys_32_rt_sigqueueinfo
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PTR sysn32_rt_sigsuspend
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PTR sys32_sigaltstack
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PTR compat_sys_utime /* 6130 */
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PTR sys_mknod
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PTR sys32_personality
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PTR sys32_ustat
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PTR sys_32_personality
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PTR sys_32_ustat
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PTR compat_sys_statfs
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PTR compat_sys_fstatfs /* 6135 */
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PTR sys_sysfs
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@ -265,14 +265,14 @@ EXPORT(sysn32_call_table)
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PTR sys_sched_getscheduler
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PTR sys_sched_get_priority_max
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PTR sys_sched_get_priority_min
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PTR sys32_sched_rr_get_interval /* 6145 */
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PTR sys_32_sched_rr_get_interval /* 6145 */
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PTR sys_mlock
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PTR sys_munlock
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PTR sys_mlockall
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PTR sys_munlockall
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PTR sys_vhangup /* 6150 */
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PTR sys_pivot_root
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PTR sys32_sysctl
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PTR sys_32_sysctl
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PTR sys_prctl
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PTR compat_sys_adjtimex
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PTR compat_sys_setrlimit /* 6155 */
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@ -265,12 +265,12 @@ sys_call_table:
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PTR sys_olduname
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PTR sys_umask /* 4060 */
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PTR sys_chroot
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PTR sys32_ustat
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PTR sys_32_ustat
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PTR sys_dup2
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PTR sys_getppid
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PTR sys_getpgrp /* 4065 */
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PTR sys_setsid
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PTR sys32_sigaction
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PTR sys_32_sigaction
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PTR sys_sgetmask
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PTR sys_ssetmask
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PTR sys_setreuid /* 4070 */
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@ -293,7 +293,7 @@ sys_call_table:
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PTR sys_swapon
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PTR sys_reboot
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PTR compat_sys_old_readdir
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PTR old_mmap /* 4090 */
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PTR sys_mips_mmap /* 4090 */
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PTR sys_munmap
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PTR sys_truncate
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PTR sys_ftruncate
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@ -320,12 +320,12 @@ sys_call_table:
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PTR compat_sys_wait4
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PTR sys_swapoff /* 4115 */
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PTR compat_sys_sysinfo
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PTR sys32_ipc
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PTR sys_32_ipc
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PTR sys_fsync
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PTR sys32_sigreturn
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PTR sys32_clone /* 4120 */
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PTR sys_setdomainname
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PTR sys32_newuname
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PTR sys_32_newuname
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PTR sys_ni_syscall /* sys_modify_ldt */
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PTR compat_sys_adjtimex
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PTR sys_mprotect /* 4125 */
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@ -339,11 +339,11 @@ sys_call_table:
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PTR sys_fchdir
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PTR sys_bdflush
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PTR sys_sysfs /* 4135 */
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PTR sys32_personality
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PTR sys_32_personality
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PTR sys_ni_syscall /* for afs_syscall */
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PTR sys_setfsuid
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PTR sys_setfsgid
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PTR sys32_llseek /* 4140 */
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PTR sys_32_llseek /* 4140 */
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PTR compat_sys_getdents
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PTR compat_sys_select
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PTR sys_flock
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@ -356,7 +356,7 @@ sys_call_table:
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PTR sys_ni_syscall /* 4150 */
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PTR sys_getsid
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PTR sys_fdatasync
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PTR sys32_sysctl
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PTR sys_32_sysctl
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PTR sys_mlock
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PTR sys_munlock /* 4155 */
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PTR sys_mlockall
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@ -368,7 +368,7 @@ sys_call_table:
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PTR sys_sched_yield
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PTR sys_sched_get_priority_max
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PTR sys_sched_get_priority_min
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PTR sys32_sched_rr_get_interval /* 4165 */
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PTR sys_32_sched_rr_get_interval /* 4165 */
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PTR compat_sys_nanosleep
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PTR sys_mremap
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PTR sys_accept
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@ -397,25 +397,25 @@ sys_call_table:
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PTR sys_getresgid
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PTR sys_prctl
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PTR sys32_rt_sigreturn
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PTR sys32_rt_sigaction
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PTR sys32_rt_sigprocmask /* 4195 */
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PTR sys32_rt_sigpending
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PTR sys_32_rt_sigaction
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PTR sys_32_rt_sigprocmask /* 4195 */
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PTR sys_32_rt_sigpending
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PTR compat_sys_rt_sigtimedwait
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PTR sys32_rt_sigqueueinfo
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PTR sys_32_rt_sigqueueinfo
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PTR sys32_rt_sigsuspend
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PTR sys32_pread /* 4200 */
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PTR sys32_pwrite
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PTR sys_32_pread /* 4200 */
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PTR sys_32_pwrite
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PTR sys_chown
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PTR sys_getcwd
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PTR sys_capget
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PTR sys_capset /* 4205 */
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PTR sys32_sigaltstack
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PTR sys32_sendfile
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PTR sys_32_sendfile
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PTR sys_ni_syscall
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PTR sys_ni_syscall
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PTR sys32_mmap2 /* 4210 */
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PTR sys32_truncate64
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PTR sys32_ftruncate64
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PTR sys_mips_mmap2 /* 4210 */
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PTR sys_32_truncate64
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PTR sys_32_ftruncate64
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PTR sys_newstat
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PTR sys_newlstat
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PTR sys_newfstat /* 4215 */
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@ -481,7 +481,7 @@ sys_call_table:
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PTR compat_sys_mq_notify /* 4275 */
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PTR compat_sys_mq_getsetattr
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PTR sys_ni_syscall /* sys_vserver */
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PTR sys32_waitid
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PTR sys_32_waitid
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PTR sys_ni_syscall /* available, was setaltroot */
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PTR sys_add_key /* 4280 */
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PTR sys_request_key
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@ -19,6 +19,7 @@
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#include <linux/ptrace.h>
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#include <linux/unistd.h>
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#include <linux/compiler.h>
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#include <linux/syscalls.h>
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#include <linux/uaccess.h>
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#include <asm/abi.h>
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@ -338,8 +339,8 @@ asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
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}
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#ifdef CONFIG_TRAD_SIGNALS
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asmlinkage int sys_sigaction(int sig, const struct sigaction __user *act,
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struct sigaction __user *oact)
|
||||
SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act,
|
||||
struct sigaction __user *, oact)
|
||||
{
|
||||
struct k_sigaction new_ka, old_ka;
|
||||
int ret;
|
||||
|
||||
@ -349,8 +349,8 @@ asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
|
||||
return -ERESTARTNOHAND;
|
||||
}
|
||||
|
||||
asmlinkage int sys32_sigaction(int sig, const struct sigaction32 __user *act,
|
||||
struct sigaction32 __user *oact)
|
||||
SYSCALL_DEFINE3(32_sigaction, long, sig, const struct sigaction32 __user *, act,
|
||||
struct sigaction32 __user *, oact)
|
||||
{
|
||||
struct k_sigaction new_ka, old_ka;
|
||||
int ret;
|
||||
@ -704,9 +704,9 @@ struct mips_abi mips_abi_32 = {
|
||||
.restart = __NR_O32_restart_syscall
|
||||
};
|
||||
|
||||
asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
|
||||
struct sigaction32 __user *oact,
|
||||
unsigned int sigsetsize)
|
||||
SYSCALL_DEFINE4(32_rt_sigaction, int, sig,
|
||||
const struct sigaction32 __user *, act,
|
||||
struct sigaction32 __user *, oact, unsigned int, sigsetsize)
|
||||
{
|
||||
struct k_sigaction new_sa, old_sa;
|
||||
int ret = -EINVAL;
|
||||
@ -748,8 +748,8 @@ out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
|
||||
compat_sigset_t __user *oset, unsigned int sigsetsize)
|
||||
SYSCALL_DEFINE4(32_rt_sigprocmask, int, how, compat_sigset_t __user *, set,
|
||||
compat_sigset_t __user *, oset, unsigned int, sigsetsize)
|
||||
{
|
||||
sigset_t old_set, new_set;
|
||||
int ret;
|
||||
@ -770,8 +770,8 @@ asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
|
||||
return ret;
|
||||
}
|
||||
|
||||
asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset,
|
||||
unsigned int sigsetsize)
|
||||
SYSCALL_DEFINE2(32_rt_sigpending, compat_sigset_t __user *, uset,
|
||||
unsigned int, sigsetsize)
|
||||
{
|
||||
int ret;
|
||||
sigset_t set;
|
||||
@ -787,7 +787,8 @@ asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset,
|
||||
return ret;
|
||||
}
|
||||
|
||||
asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
|
||||
SYSCALL_DEFINE3(32_rt_sigqueueinfo, int, pid, int, sig,
|
||||
compat_siginfo_t __user *, uinfo)
|
||||
{
|
||||
siginfo_t info;
|
||||
int ret;
|
||||
@ -802,10 +803,9 @@ asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *
|
||||
return ret;
|
||||
}
|
||||
|
||||
asmlinkage long
|
||||
sys32_waitid(int which, compat_pid_t pid,
|
||||
compat_siginfo_t __user *uinfo, int options,
|
||||
struct compat_rusage __user *uru)
|
||||
SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid,
|
||||
compat_siginfo_t __user *, uinfo, int, options,
|
||||
struct compat_rusage __user *, uru)
|
||||
{
|
||||
siginfo_t info;
|
||||
struct rusage ru;
|
||||
|
||||
@ -152,9 +152,9 @@ out:
|
||||
return error;
|
||||
}
|
||||
|
||||
asmlinkage unsigned long
|
||||
old_mmap(unsigned long addr, unsigned long len, int prot,
|
||||
int flags, int fd, off_t offset)
|
||||
SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
|
||||
unsigned long, prot, unsigned long, flags, unsigned long,
|
||||
fd, off_t, offset)
|
||||
{
|
||||
unsigned long result;
|
||||
|
||||
@ -168,9 +168,9 @@ out:
|
||||
return result;
|
||||
}
|
||||
|
||||
asmlinkage unsigned long
|
||||
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
|
||||
unsigned long flags, unsigned long fd, unsigned long pgoff)
|
||||
SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len,
|
||||
unsigned long, prot, unsigned long, flags, unsigned long, fd,
|
||||
unsigned long, pgoff)
|
||||
{
|
||||
if (pgoff & (~PAGE_MASK >> 12))
|
||||
return -EINVAL;
|
||||
@ -240,7 +240,7 @@ out:
|
||||
/*
|
||||
* Compacrapability ...
|
||||
*/
|
||||
asmlinkage int sys_uname(struct old_utsname __user * name)
|
||||
SYSCALL_DEFINE1(uname, struct old_utsname __user *, name)
|
||||
{
|
||||
if (name && !copy_to_user(name, utsname(), sizeof (*name)))
|
||||
return 0;
|
||||
@ -250,7 +250,7 @@ asmlinkage int sys_uname(struct old_utsname __user * name)
|
||||
/*
|
||||
* Compacrapability ...
|
||||
*/
|
||||
asmlinkage int sys_olduname(struct oldold_utsname __user * name)
|
||||
SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
|
||||
{
|
||||
int error;
|
||||
|
||||
@ -279,7 +279,7 @@ asmlinkage int sys_olduname(struct oldold_utsname __user * name)
|
||||
return error;
|
||||
}
|
||||
|
||||
asmlinkage int sys_set_thread_area(unsigned long addr)
|
||||
SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
|
||||
{
|
||||
struct thread_info *ti = task_thread_info(current);
|
||||
|
||||
@ -290,7 +290,7 @@ asmlinkage int sys_set_thread_area(unsigned long addr)
|
||||
return 0;
|
||||
}
|
||||
|
||||
asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
|
||||
asmlinkage int _sys_sysmips(long cmd, long arg1, long arg2, long arg3)
|
||||
{
|
||||
switch (cmd) {
|
||||
case MIPS_ATOMIC_SET:
|
||||
@ -325,8 +325,8 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
|
||||
*
|
||||
* This is really horribly ugly.
|
||||
*/
|
||||
asmlinkage int sys_ipc(unsigned int call, int first, int second,
|
||||
unsigned long third, void __user *ptr, long fifth)
|
||||
SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, int, second,
|
||||
unsigned long, third, void __user *, ptr, long, fifth)
|
||||
{
|
||||
int version, ret;
|
||||
|
||||
@ -411,7 +411,7 @@ asmlinkage int sys_ipc(unsigned int call, int first, int second,
|
||||
/*
|
||||
* No implemented yet ...
|
||||
*/
|
||||
asmlinkage int sys_cachectl(char *addr, int nbytes, int op)
|
||||
SYSCALL_DEFINE3(cachectl, char *, addr, int, nbytes, int, op)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
@ -13,6 +13,7 @@
|
||||
#include <linux/linkage.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/syscalls.h>
|
||||
#include <linux/mm.h>
|
||||
|
||||
#include <asm/cacheflush.h>
|
||||
@ -58,8 +59,8 @@ EXPORT_SYMBOL(_dma_cache_wback_inv);
|
||||
* We could optimize the case where the cache argument is not BCACHE but
|
||||
* that seems very atypical use ...
|
||||
*/
|
||||
asmlinkage int sys_cacheflush(unsigned long addr,
|
||||
unsigned long bytes, unsigned int cache)
|
||||
SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes,
|
||||
unsigned int, cache)
|
||||
{
|
||||
if (bytes == 0)
|
||||
return 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user