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yaml
---
r: 356322
b: refs/heads/master
c: bf581e1
h: refs/heads/master
v: v3
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Helge Deller committed Feb 20, 2013
1 parent 409a2d1 commit 9814a13
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Showing 5 changed files with 68 additions and 61 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: fee707b459da56ba83fbb4ae89151571502ee724
refs/heads/master: bf581e15a443fa3569d9def96b512315ba509d6f
4 changes: 4 additions & 0 deletions trunk/arch/parisc/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,10 @@ config COMPAT
def_bool y
depends on 64BIT

config SYSVIPC_COMPAT
def_bool y
depends on COMPAT && SYSVIPC

config HPUX
bool "Support for HP-UX binaries"
depends on !64BIT
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61 changes: 61 additions & 0 deletions trunk/arch/parisc/include/asm/compat.h
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ typedef u16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
typedef s32 compat_daddr_t;
typedef u32 compat_caddr_t;
typedef s32 compat_key_t;
typedef s32 compat_timer_t;

typedef s32 compat_int_t;
Expand Down Expand Up @@ -188,6 +189,66 @@ typedef struct compat_siginfo {
#define COMPAT_OFF_T_MAX 0x7fffffff
#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL

struct compat_ipc64_perm {
compat_key_t key;
__compat_uid_t uid;
__compat_gid_t gid;
__compat_uid_t cuid;
__compat_gid_t cgid;
unsigned short int __pad1;
compat_mode_t mode;
unsigned short int __pad2;
unsigned short int seq;
unsigned int __pad3;
unsigned long __unused1; /* yes they really are 64bit pads */
unsigned long __unused2;
};

struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
compat_time_t sem_otime;
unsigned int __unused1;
compat_time_t sem_ctime;
unsigned int __unused2;
compat_ulong_t sem_nsems;
compat_ulong_t __unused3;
compat_ulong_t __unused4;
};

struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
unsigned int __unused1;
compat_time_t msg_stime;
unsigned int __unused2;
compat_time_t msg_rtime;
unsigned int __unused3;
compat_time_t msg_ctime;
compat_ulong_t msg_cbytes;
compat_ulong_t msg_qnum;
compat_ulong_t msg_qbytes;
compat_pid_t msg_lspid;
compat_pid_t msg_lrpid;
compat_ulong_t __unused4;
compat_ulong_t __unused5;
};

struct compat_shmid64_ds {
struct compat_ipc64_perm shm_perm;
unsigned int __unused1;
compat_time_t shm_atime;
unsigned int __unused2;
compat_time_t shm_dtime;
unsigned int __unused3;
compat_time_t shm_ctime;
unsigned int __unused4;
compat_size_t shm_segsz;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
compat_ulong_t shm_nattch;
compat_ulong_t __unused5;
compat_ulong_t __unused6;
};

/*
* A pointer passed in from user mode. This should not
* be used for syscall parameters, just declare them
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58 changes: 0 additions & 58 deletions trunk/arch/parisc/kernel/sys_parisc32.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
#include <linux/time.h>
#include <linux/smp.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/slab.h>
#include <linux/uio.h>
Expand Down Expand Up @@ -73,63 +72,6 @@ asmlinkage long sys32_sched_rr_get_interval(pid_t pid,
return ret;
}

struct msgbuf32 {
int mtype;
char mtext[1];
};

asmlinkage long sys32_msgsnd(int msqid,
struct msgbuf32 __user *umsgp32,
size_t msgsz, int msgflg)
{
struct msgbuf *mb;
struct msgbuf32 mb32;
int err;

if ((mb = kmalloc(msgsz + sizeof *mb + 4, GFP_KERNEL)) == NULL)
return -ENOMEM;

err = get_user(mb32.mtype, &umsgp32->mtype);
mb->mtype = mb32.mtype;
err |= copy_from_user(mb->mtext, &umsgp32->mtext, msgsz);

if (err)
err = -EFAULT;
else
KERNEL_SYSCALL(err, sys_msgsnd, msqid, (struct msgbuf __user *)mb, msgsz, msgflg);

kfree(mb);
return err;
}

asmlinkage long sys32_msgrcv(int msqid,
struct msgbuf32 __user *umsgp32,
size_t msgsz, long msgtyp, int msgflg)
{
struct msgbuf *mb;
struct msgbuf32 mb32;
int err, len;

if ((mb = kmalloc(msgsz + sizeof *mb + 4, GFP_KERNEL)) == NULL)
return -ENOMEM;

KERNEL_SYSCALL(err, sys_msgrcv, msqid, (struct msgbuf __user *)mb, msgsz, msgtyp, msgflg);

if (err >= 0) {
len = err;
mb32.mtype = mb->mtype;
err = put_user(mb32.mtype, &umsgp32->mtype);
err |= copy_to_user(&umsgp32->mtext, mb->mtext, len);
if (err)
err = -EFAULT;
else
err = len;
}

kfree(mb);
return err;
}

asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
{
mm_segment_t old_fs = get_fs();
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4 changes: 2 additions & 2 deletions trunk/arch/parisc/kernel/syscall_table.S
Original file line number Diff line number Diff line change
Expand Up @@ -286,8 +286,8 @@
ENTRY_SAME(semop) /* 185 */
ENTRY_SAME(semget)
ENTRY_DIFF(semctl)
ENTRY_DIFF(msgsnd)
ENTRY_DIFF(msgrcv)
ENTRY_COMP(msgsnd)
ENTRY_COMP(msgrcv)
ENTRY_SAME(msgget) /* 190 */
ENTRY_SAME(msgctl)
ENTRY_SAME(shmat)
Expand Down

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