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Commit 11d4e57c authored by Anton Blanchard's avatar Anton Blanchard
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initial ppc64 compat support from Stephen Rothwell

parent 580f6887
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Showing with 110 additions and 243 deletions
arch/ppc64/Kconfig
View file @ 11d4e57c
......@@ -33,6 +33,10 @@ config EARLY_PRINTK
bool
default y
config COMPAT
bool
default y
source "init/Kconfig"
......
arch/ppc64/kernel/binfmt_elf32.c
View file @ 11d4e57c
......@@ -21,11 +21,7 @@
#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
......@@ -38,10 +34,10 @@ 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; /* General purpose registers. */
int pr_fpvalid; /* True if math co-processor being used. */
};
......@@ -64,9 +60,9 @@ 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/ppc64/kernel/ioctl32.c
View file @ 11d4e57c
......@@ -22,6 +22,7 @@
#include <linux/config.h>
#include <linux/types.h>
#include <linux/compat.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
......@@ -397,14 +398,9 @@ 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;
......@@ -1424,8 +1420,8 @@ 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/ppc64/kernel/misc.S
View file @ 11d4e57c
......@@ -538,7 +538,7 @@ _GLOBAL(sys_call_table32)
.llong .sys_alarm
.llong .sys_ni_syscall /* old fstat syscall */
.llong .sys32_pause
.llong .sys32_utime /* 30 */
.llong .compat_sys_utime /* 30 */
.llong .sys_ni_syscall /* old stty syscall */
.llong .sys_ni_syscall /* old gtty syscall */
.llong .sys32_access
......@@ -612,8 +612,8 @@ _GLOBAL(sys_call_table32)
.llong .sys_ioperm
.llong .sys32_socketcall
.llong .sys32_syslog
.llong .sys32_setitimer
.llong .sys32_getitimer /* 105 */
.llong .compat_sys_setitimer
.llong .compat_sys_getitimer /* 105 */
.llong .sys32_newstat
.llong .sys32_newlstat
.llong .sys32_newfstat
......@@ -670,7 +670,7 @@ _GLOBAL(sys_call_table32)
.llong .sys32_sched_get_priority_max
.llong .sys32_sched_get_priority_min /* 160 */
.llong .sys32_sched_rr_get_interval
.llong .sys32_nanosleep
.llong .compat_sys_nanosleep
.llong .sys32_mremap
.llong .sys_setresuid
.llong .sys_getresuid /* 165 */
......
arch/ppc64/kernel/signal32.c
View file @ 11d4e57c
......@@ -22,6 +22,7 @@
#include <linux/signal.h>
#include <linux/errno.h>
#include <linux/elf.h>
#include <linux/compat.h>
#include <asm/ppc32.h>
#include <asm/uaccess.h>
#include <asm/ppcdebug.h>
......@@ -53,11 +54,6 @@
#define MSR_USERCHANGE 0
#endif
struct timespec32 {
s32 tv_sec;
s32 tv_nsec;
};
struct sigregs32 {
/*
* the gp_regs array is 32 bit representation of the pt_regs
......@@ -635,8 +631,7 @@ long sys32_rt_sigprocmask(u32 how, sigset32_t *set,
extern long sys_rt_sigpending(sigset_t *set, size_t sigsetsize);
long sys32_rt_sigpending(sigset32_t *set,
__kernel_size_t32 sigsetsize)
long sys32_rt_sigpending(sigset32_t *set, compat_size_t sigsetsize)
{
sigset_t s;
sigset32_t s32;
......@@ -708,7 +703,7 @@ extern long sys_rt_sigtimedwait(const sigset_t *uthese,
size_t sigsetsize);
long sys32_rt_sigtimedwait(sigset32_t *uthese, siginfo_t32 *uinfo,
struct timespec32 *uts, __kernel_size_t32 sigsetsize)
struct compat_timespec *uts, compat_size_t sigsetsize)
{
sigset_t s;
sigset32_t s32;
......
arch/ppc64/kernel/sys32.S
View file @ 11d4e57c
......@@ -134,7 +134,7 @@ _STATIC(do_sys_recv) /* sys_recv(int, void *, size_t, unsigned int) */
lwz r6,12(r10)
b .sys_recv
_STATIC(do_sys_sendto) /* sys32_sendto(int, u32, __kernel_size_t32, unsigned int, u32, int) */
_STATIC(do_sys_sendto) /* sys32_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
mr r10,r4
lwa r3,0(r10)
lwz r4,4(r10)
......@@ -144,7 +144,7 @@ _STATIC(do_sys_sendto) /* sys32_sendto(int, u32, __kernel_size_t32, unsigned int
lwa r8,20(r10)
b .sys32_sendto
_STATIC(do_sys_recvfrom) /* sys32_recvfrom(int, u32, __kernel_size_t32, unsigned int, u32, u32) */
_STATIC(do_sys_recvfrom) /* sys32_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
mr r10,r4
lwa r3,0(r10)
lwz r4,4(r10)
......
arch/ppc64/kernel/sys_ppc32.c
View file @ 11d4e57c
......@@ -22,7 +22,6 @@
#include <linux/mm.h>
#include <linux/file.h>
#include <linux/signal.h>
#include <linux/utime.h>
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/utsname.h>
......@@ -58,6 +57,7 @@
#include <linux/binfmts.h>
#include <linux/dnotify.h>
#include <linux/security.h>
#include <linux/compat.h>
#include <asm/types.h>
#include <asm/ipc.h>
......@@ -73,38 +73,7 @@
#include <asm/ppc32.h>
#include <asm/mmu_context.h>
extern asmlinkage long sys_utime(char * filename, struct utimbuf * times);
struct utimbuf32 {
__kernel_time_t32 actime, modtime;
};
asmlinkage long sys32_utime(char * filename, struct utimbuf32 *times)
{
struct utimbuf t;
mm_segment_t old_fs;
int ret;
char *filenam;
if (!times)
return sys_utime(filename, NULL);
if (get_user(t.actime, &times->actime) ||
__get_user(t.modtime, &times->modtime))
return -EFAULT;
filenam = getname(filename);
ret = PTR_ERR(filenam);
if (!IS_ERR(filenam)) {
old_fs = get_fs();
set_fs (KERNEL_DS);
ret = sys_utime(filenam, &t);
set_fs (old_fs);
putname (filenam);
}
return ret;
}
struct iovec32 { u32 iov_base; __kernel_size_t32 iov_len; };
struct iovec32 { u32 iov_base; compat_size_t iov_len; };
typedef ssize_t (*io_fn_t)(struct file *, char *, size_t, loff_t *);
typedef ssize_t (*iov_fn_t)(struct file *, const struct iovec *, unsigned long, loff_t *);
......@@ -112,7 +81,7 @@ typedef ssize_t (*iov_fn_t)(struct file *, const struct iovec *, unsigned long,
static long do_readv_writev32(int type, struct file *file,
const struct iovec32 *vector, u32 count)
{
__kernel_ssize_t32 tot_len;
compat_ssize_t tot_len;
struct iovec iovstack[UIO_FASTIOV];
struct iovec *iov=iovstack, *ivp;
struct inode *inode;
......@@ -159,8 +128,8 @@ static long do_readv_writev32(int type, struct file *file,
ivp = iov;
retval = -EINVAL;
while(i > 0) {
__kernel_ssize_t32 tmp = tot_len;
__kernel_ssize_t32 len;
compat_ssize_t tmp = tot_len;
compat_ssize_t len;
u32 buf;
if (__get_user(len, &vector->iov_len) ||
......@@ -168,10 +137,10 @@ static long do_readv_writev32(int type, struct file *file,
retval = -EFAULT;
goto out;
}
if (len < 0) /* size_t not fitting an ssize_t32 .. */
if (len < 0) /* size_t not fitting an compat_ssize_t .. */
goto out;
tot_len += len;
if (tot_len < tmp) /* maths overflow on the ssize_t32 */
if (tot_len < tmp) /* maths overflow on the compat_ssize_t */
goto out;
ivp->iov_base = (void *)A(buf);
ivp->iov_len = (__kernel_size_t) len;
......@@ -664,20 +633,6 @@ asmlinkage long sys32_getdents(unsigned int fd, struct linux_dirent32 *dirent, u
/* 32-bit timeval and related flotsam. */
struct timeval32
{
int tv_sec, tv_usec;
};
struct itimerval32
{
struct timeval32 it_interval;
struct timeval32 it_value;
};
/*
* Ooo, nasty. We need here to frob 32-bit unsigned longs to
* 64-bit unsigned longs.
......@@ -743,7 +698,7 @@ set_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset)
asmlinkage long sys32_select(int n, u32 *inp, u32 *outp, u32 *exp, u32 tvp_x)
{
fd_set_bits fds;
struct timeval32 *tvp = (struct timeval32 *)AA(tvp_x);
struct compat_timeval *tvp = (struct compat_timeval *)AA(tvp_x);
char *bits;
unsigned long nn;
long timeout;
......@@ -1021,7 +976,7 @@ struct timex32 {
u32 modes;
s32 offset, freq, maxerror, esterror;
s32 status, constant, precision, tolerance;
struct timeval32 time;
struct compat_timeval time;
s32 tick;
s32 ppsfreq, jitter, shift, stabil;
s32 jitcnt, calcnt, errcnt, stbcnt;
......@@ -1098,7 +1053,7 @@ asmlinkage long sys32_adjtimex(struct timex32 *utp)
extern asmlinkage unsigned long sys_create_module(const char *name_user, size_t size);
asmlinkage unsigned long sys32_create_module(const char *name_user, __kernel_size_t32 size)
asmlinkage unsigned long sys32_create_module(const char *name_user, compat_size_t size)
{
return sys_create_module(name_user, (size_t)size);
}
......@@ -1181,7 +1136,7 @@ static __inline__ struct module *find_module(const char *name)
}
static int
qm_modules(char *buf, size_t bufsize, __kernel_size_t32 *ret)
qm_modules(char *buf, size_t bufsize, compat_size_t *ret)
{
struct module *mod;
size_t nmod, space, len;
......@@ -1216,7 +1171,7 @@ qm_modules(char *buf, size_t bufsize, __kernel_size_t32 *ret)
}
static int
qm_deps(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
qm_deps(struct module *mod, char *buf, size_t bufsize, compat_size_t *ret)
{
size_t i, space, len;
......@@ -1253,7 +1208,7 @@ qm_deps(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
}
static int
qm_refs(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
qm_refs(struct module *mod, char *buf, size_t bufsize, compat_size_t *ret)
{
size_t nrefs, space, len;
struct module_ref *ref;
......@@ -1297,7 +1252,7 @@ qm_refs(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
}
static inline int
qm_symbols(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
qm_symbols(struct module *mod, char *buf, size_t bufsize, compat_size_t *ret)
{
size_t i, space, len;
struct module_symbol *s;
......@@ -1356,7 +1311,7 @@ qm_symbols(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret
}
static inline int
qm_info(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
qm_info(struct module *mod, char *buf, size_t bufsize, compat_size_t *ret)
{
int error = 0;
......@@ -1389,7 +1344,7 @@ qm_info(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
* proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
* and the register representation of a signed int (msr in 64-bit mode) is performed.
*/
asmlinkage long sys32_query_module(char *name_user, u32 which, char *buf, __kernel_size_t32 bufsize, u32 ret)
asmlinkage long sys32_query_module(char *name_user, u32 which, char *buf, compat_size_t bufsize, u32 ret)
{
struct module *mod;
int err;
......@@ -1425,19 +1380,19 @@ asmlinkage long sys32_query_module(char *name_user, u32 which, char *buf, __kern
err = 0;
break;
case QM_MODULES:
err = qm_modules(buf, bufsize, (__kernel_size_t32 *)AA(ret));
err = qm_modules(buf, bufsize, (compat_size_t *)AA(ret));
break;
case QM_DEPS:
err = qm_deps(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
err = qm_deps(mod, buf, bufsize, (compat_size_t *)AA(ret));
break;
case QM_REFS:
err = qm_refs(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
err = qm_refs(mod, buf, bufsize, (compat_size_t *)AA(ret));
break;
case QM_SYMBOLS:
err = qm_symbols(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
err = qm_symbols(mod, buf, bufsize, (compat_size_t *)AA(ret));
break;
case QM_INFO:
err = qm_info(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
err = qm_info(mod, buf, bufsize, (compat_size_t *)AA(ret));
break;
default:
err = -EINVAL;
......@@ -1863,37 +1818,6 @@ int asmlinkage sys32_nfsservctl(u32 cmd_parm, struct nfsctl_arg32 *arg32, union
struct timespec32 {
s32 tv_sec;
s32 tv_nsec;
};
extern asmlinkage long sys_nanosleep(struct timespec *rqtp, struct timespec *rmtp);
asmlinkage long sys32_nanosleep(struct timespec32 *rqtp, struct timespec32 *rmtp)
{
struct timespec t;
int ret;
mm_segment_t old_fs = get_fs ();
if (get_user (t.tv_sec, &rqtp->tv_sec) ||
__get_user (t.tv_nsec, &rqtp->tv_nsec))
return -EFAULT;
set_fs (KERNEL_DS);
ret = sys_nanosleep(&t, rmtp ? &t : NULL);
set_fs (old_fs);
if (rmtp && ret == -EINTR) {
if (__put_user (t.tv_sec, &rmtp->tv_sec) ||
__put_user (t.tv_nsec, &rmtp->tv_nsec))
return -EFAULT;
}
return ret;
}
/* These are here just in case some old sparc32 binary calls it. */
asmlinkage long sys32_pause(void)
{
......@@ -1905,32 +1829,14 @@ asmlinkage long sys32_pause(void)
static inline long get_it32(struct itimerval *o, struct itimerval32 *i)
{
return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
(__get_user(o->it_interval.tv_sec, &i->it_interval.tv_sec) |
__get_user(o->it_interval.tv_usec, &i->it_interval.tv_usec) |
__get_user(o->it_value.tv_sec, &i->it_value.tv_sec) |
__get_user(o->it_value.tv_usec, &i->it_value.tv_usec)));
}
static inline long put_it32(struct itimerval32 *o, struct itimerval *i)
{
return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
(__put_user(i->it_interval.tv_sec, &o->it_interval.tv_sec) |
__put_user(i->it_interval.tv_usec, &o->it_interval.tv_usec) |
__put_user(i->it_value.tv_sec, &o->it_value.tv_sec) |
__put_user(i->it_value.tv_usec, &o->it_value.tv_usec)));
}
static inline long get_tv32(struct timeval *o, struct timeval32 *i)
static inline long get_tv32(struct timeval *o, struct compat_timeval *i)
{
return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
(__get_user(o->tv_sec, &i->tv_sec) |
__get_user(o->tv_usec, &i->tv_usec)));
}
static inline long put_tv32(struct timeval32 *o, struct timeval *i)
static inline long put_tv32(struct compat_timeval *o, struct timeval *i)
{
return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
(__put_user(i->tv_sec, &o->tv_sec) |
......@@ -1940,54 +1846,6 @@ static inline long put_tv32(struct timeval32 *o, struct timeval *i)
extern int do_getitimer(int which, struct itimerval *value);
/* Note: it is necessary to treat which as an unsigned int,
* with the corresponding cast to a signed int to insure that the
* proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
* and the register representation of a signed int (msr in 64-bit mode) is performed.
*/
asmlinkage long sys32_getitimer(u32 which, struct itimerval32 *it)
{
struct itimerval kit;
int error;
error = do_getitimer((int)which, &kit);
if (!error && put_it32(it, &kit))
error = -EFAULT;
return error;
}
extern int do_setitimer(int which, struct itimerval *, struct itimerval *);
/* Note: it is necessary to treat which as an unsigned int,
* with the corresponding cast to a signed int to insure that the
* proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
* and the register representation of a signed int (msr in 64-bit mode) is performed.
*/
asmlinkage long sys32_setitimer(u32 which, struct itimerval32 *in, struct itimerval32 *out)
{
struct itimerval kin, kout;
int error;
if (in) {
if (get_it32(&kin, in))
return -EFAULT;
} else
memset(&kin, 0, sizeof(kin));
error = do_setitimer((int)which, &kin, out ? &kout : NULL);
if (error || !out)
return error;
if (put_it32(out, &kout))
return -EFAULT;
return 0;
}
#define RLIM_INFINITY32 0xffffffff
#define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x)
......@@ -2062,8 +1920,8 @@ asmlinkage long sys32_setrlimit(unsigned int resource, struct rlimit32 *rlim)
struct rusage32 {
struct timeval32 ru_utime;
struct timeval32 ru_stime;
struct compat_timeval ru_utime;
struct compat_timeval ru_stime;
s32 ru_maxrss;
s32 ru_ixrss;
s32 ru_idrss;
......@@ -2180,7 +2038,7 @@ asmlinkage long sys32_sysinfo(struct sysinfo32 *info)
extern struct timezone sys_tz;
extern int do_sys_settimeofday(struct timeval *tv, struct timezone *tz);
asmlinkage long sys32_gettimeofday(struct timeval32 *tv, struct timezone *tz)
asmlinkage long sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
{
if (tv) {
struct timeval ktv;
......@@ -2198,7 +2056,7 @@ asmlinkage long sys32_gettimeofday(struct timeval32 *tv, struct timezone *tz)
asmlinkage long sys32_settimeofday(struct timeval32 *tv, struct timezone *tz)
asmlinkage long sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
{
struct timeval ktv;
struct timezone ktz;
......@@ -2251,8 +2109,8 @@ struct msgbuf32 { s32 mtype; char mtext[1]; };
struct semid_ds32 {
struct ipc_perm sem_perm;
__kernel_time_t32 sem_otime;
__kernel_time_t32 sem_ctime;
compat_time_t sem_otime;
compat_time_t sem_ctime;
u32 sem_base;
u32 sem_pending;
u32 sem_pending_last;
......@@ -2263,9 +2121,9 @@ struct semid_ds32 {
struct semid64_ds32 {
struct ipc64_perm sem_perm;
unsigned int __unused1;
__kernel_time_t32 sem_otime;
compat_time_t sem_otime;
unsigned int __unused2;
__kernel_time_t32 sem_ctime;
compat_time_t sem_ctime;
u32 sem_nsems;
u32 __unused3;
u32 __unused4;
......@@ -2276,9 +2134,9 @@ struct msqid_ds32
struct ipc_perm 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 msg_lcbytes;
u32 msg_lqbytes;
unsigned short msg_cbytes;
......@@ -2291,11 +2149,11 @@ struct msqid_ds32
struct msqid64_ds32 {
struct ipc64_perm msg_perm;
unsigned int __unused1;
__kernel_time_t32 msg_stime;
compat_time_t msg_stime;
unsigned int __unused2;
__kernel_time_t32 msg_rtime;
compat_time_t msg_rtime;
unsigned int __unused3;
__kernel_time_t32 msg_ctime;
compat_time_t msg_ctime;
unsigned int msg_cbytes;
unsigned int msg_qnum;
unsigned int msg_qbytes;
......@@ -2308,9 +2166,9 @@ struct msqid64_ds32 {
struct shmid_ds32 {
struct ipc_perm 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;
......@@ -2322,13 +2180,13 @@ struct shmid_ds32 {
struct shmid64_ds32 {
struct ipc64_perm shm_perm;
unsigned int __unused1;
__kernel_time_t32 shm_atime;
compat_time_t shm_atime;
unsigned int __unused2;
__kernel_time_t32 shm_dtime;
compat_time_t shm_dtime;
unsigned int __unused3;
__kernel_time_t32 shm_ctime;
compat_time_t shm_ctime;
unsigned int __unused4;
__kernel_size_t32 shm_segsz;
compat_size_t shm_segsz;
__kernel_pid_t32 shm_cpid;
__kernel_pid_t32 shm_lpid;
unsigned int shm_nattch;
......@@ -2966,7 +2824,7 @@ static int do_set_icmpv6_filter(int fd, int level, int optname,
static int do_set_sock_timeout(int fd, int level, int optname, char *optval, int optlen)
{
struct timeval32 *up = (struct timeval32 *) optval;
struct compat_timeval *up = (struct compat_timeval *) optval;
struct timeval ktime;
mm_segment_t old_fs;
int err;
......@@ -3003,7 +2861,7 @@ extern asmlinkage long sys_getsockopt(int fd, int level, int optname,
static int do_get_sock_timeout(int fd, int level, int optname, char *optval, int *optlen)
{
struct timeval32 *up = (struct timeval32 *) optval;
struct compat_timeval *up = (struct compat_timeval *) optval;
struct timeval ktime;
mm_segment_t old_fs;
int len, err;
......@@ -3054,15 +2912,15 @@ struct msghdr32
u32 msg_name;
int msg_namelen;
u32 msg_iov;
__kernel_size_t32 msg_iovlen;
compat_size_t msg_iovlen;
u32 msg_control;
__kernel_size_t32 msg_controllen;
compat_size_t msg_controllen;
unsigned msg_flags;
};
struct cmsghdr32
{
__kernel_size_t32 cmsg_len;
compat_size_t cmsg_len;
int cmsg_level;
int cmsg_type;
};
......@@ -3180,7 +3038,7 @@ static int cmsghdr_from_user32_to_kern(struct msghdr *kmsg,
{
struct cmsghdr32 *ucmsg;
struct cmsghdr *kcmsg, *kcmsg_base;
__kernel_size_t32 ucmlen;
compat_size_t ucmlen;
__kernel_size_t kcmlen, tmp;
kcmlen = 0;
......@@ -3447,12 +3305,12 @@ static void cmsg32_recvmsg_fixup(struct msghdr *kmsg, unsigned long orig_cmsg_up
* from 64-bit time values to 32-bit time values
*/
case SO_TIMESTAMP: {
__kernel_time_t32* ptr_time32 = CMSG32_DATA(kcmsg32);
compat_time_t* ptr_time32 = CMSG32_DATA(kcmsg32);
__kernel_time_t* ptr_time = CMSG_DATA(ucmsg);
*ptr_time32 = *ptr_time;
*(ptr_time32+1) = *(ptr_time+1);
kcmsg32->cmsg_len -= 2*(sizeof(__kernel_time_t) -
sizeof(__kernel_time_t32));
sizeof(compat_time_t));
}
default:;
}
......@@ -3563,7 +3421,7 @@ asmlinkage long sys32_recvmsg(int fd, struct msghdr32* user_msg, unsigned int us
err = move_addr_to_user(addr, kern_msg.msg_namelen, uaddr, uaddr_len);
if(cmsg_ptr != 0 && err >= 0) {
unsigned long ucmsg_ptr = ((unsigned long)kern_msg.msg_control);
__kernel_size_t32 uclen = (__kernel_size_t32) (ucmsg_ptr - cmsg_ptr);
compat_size_t uclen = (compat_size_t) (ucmsg_ptr - cmsg_ptr);
err |= __put_user(uclen, &user_msg->msg_controllen);
}
if(err >= 0)
......@@ -3821,7 +3679,7 @@ extern asmlinkage int sys_sched_rr_get_interval(pid_t pid, struct timespec *inte
* proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
* and the register representation of a signed int (msr in 64-bit mode) is performed.
*/
asmlinkage int sys32_sched_rr_get_interval(u32 pid, struct timespec32 *interval)
asmlinkage int sys32_sched_rr_get_interval(u32 pid, struct compat_timespec *interval)
{
struct timespec t;
int ret;
......@@ -4323,15 +4181,13 @@ extern ssize_t sys_pread64(unsigned int fd, char *buf, size_t count,
extern ssize_t sys_pwrite64(unsigned int fd, const char *buf, size_t count,
loff_t pos);
typedef __kernel_ssize_t32 ssize_t32;
ssize_t32 sys32_pread64(unsigned int fd, char *ubuf, __kernel_size_t32 count,
compat_ssize_t sys32_pread64(unsigned int fd, char *ubuf, compat_size_t count,
u32 reg6, u32 poshi, u32 poslo)
{
return sys_pread64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo));
}
ssize_t32 sys32_pwrite64(unsigned int fd, char *ubuf, __kernel_size_t32 count,
compat_ssize_t sys32_pwrite64(unsigned int fd, char *ubuf, compat_size_t count,
u32 reg6, u32 poshi, u32 poslo)
{
return sys_pwrite64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo));
......@@ -4339,7 +4195,7 @@ ssize_t32 sys32_pwrite64(unsigned int fd, char *ubuf, __kernel_size_t32 count,
extern ssize_t sys_readahead(int fd, loff_t offset, size_t count);
ssize_t32 sys32_readahead(int fd, u32 r4, u32 offhi, u32 offlo, u32 count)
compat_ssize_t sys32_readahead(int fd, u32 r4, u32 offhi, u32 offlo, u32 count)
{
return sys_readahead(fd, ((loff_t)offhi << 32) | offlo, AA(count));
}
......@@ -4418,9 +4274,9 @@ extern asmlinkage long sys32_sysctl(struct __sysctl_args32 *args)
return error;
}
asmlinkage long sys32_time(__kernel_time_t32* tloc)
asmlinkage long sys32_time(compat_time_t* tloc)
{
__kernel_time_t32 secs;
compat_time_t secs;
struct timeval tv;
......
include/asm-ppc64/compat.h 0 → 100644
View file @ 11d4e57c
#ifndef _ASM_PPC64_COMPAT_H
#define _ASM_PPC64_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_PPC64_COMPAT_H */
include/asm-ppc64/ppc32.h
View file @ 11d4e57c
#ifndef _PPC64_PPC32_H
#define _PPC64_PPC32_H
#include <linux/compat.h>
#include <asm/siginfo.h>
#include <asm/signal.h>
......@@ -43,10 +44,7 @@ typedef __kernel_fsid_t __kernel_fsid_t32;
})
/* These are here to support 32-bit syscalls on a 64-bit kernel. */
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;
......@@ -160,7 +158,7 @@ struct sigaction32 {
typedef struct sigaltstack_32 {
unsigned int ss_sp;
int ss_flags;
__kernel_size_t32 ss_size;
compat_size_t ss_size;
} stack_32_t;
struct flock32 {
......@@ -183,11 +181,11 @@ struct stat32 {
__kernel_off_t32 st_size; /* 4 */
__kernel_off_t32 st_blksize; /* 4 */
__kernel_off_t32 st_blocks; /* 4 */
__kernel_time_t32 st_atime; /* 4 */
compat_time_t st_atime; /* 4 */
unsigned int __unused1; /* 4 */
__kernel_time_t32 st_mtime; /* 4 */
compat_time_t st_mtime; /* 4 */
unsigned int __unused2; /* 4 */
__kernel_time_t32 st_ctime; /* 4 */
compat_time_t st_ctime; /* 4 */
unsigned int __unused3; /* 4 */
unsigned int __unused4[2]; /* 2*4 */
};
......
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