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Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/include/asm/compat.h60
-rw-r--r--arch/arm64/kernel/signal32.c53
2 files changed, 59 insertions, 54 deletions
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h
index a670a33ad736..37e610dc084e 100644
--- a/arch/arm64/include/asm/compat.h
+++ b/arch/arm64/include/asm/compat.h
@@ -55,6 +55,7 @@ typedef s64 compat_s64;
typedef u32 compat_uint_t;
typedef u32 compat_ulong_t;
typedef u64 compat_u64;
+typedef u32 compat_uptr_t;
struct compat_timespec {
compat_time_t tv_sec;
@@ -130,6 +131,64 @@ typedef u32 compat_old_sigset_t;
typedef u32 compat_sigset_word;
+typedef union compat_sigval {
+ compat_int_t sival_int;
+ compat_uptr_t sival_ptr;
+} compat_sigval_t;
+
+typedef struct compat_siginfo {
+ int si_signo;
+ int si_errno;
+ int si_code;
+
+ union {
+ /* The padding is the same size as AArch64. */
+ int _pad[128/sizeof(int) - 3];
+
+ /* kill() */
+ struct {
+ compat_pid_t _pid; /* sender's pid */
+ __compat_uid32_t _uid; /* sender's uid */
+ } _kill;
+
+ /* POSIX.1b timers */
+ struct {
+ compat_timer_t _tid; /* timer id */
+ int _overrun; /* overrun count */
+ compat_sigval_t _sigval; /* same as below */
+ int _sys_private; /* not to be passed to user */
+ } _timer;
+
+ /* POSIX.1b signals */
+ struct {
+ compat_pid_t _pid; /* sender's pid */
+ __compat_uid32_t _uid; /* sender's uid */
+ compat_sigval_t _sigval;
+ } _rt;
+
+ /* SIGCHLD */
+ struct {
+ compat_pid_t _pid; /* which child */
+ __compat_uid32_t _uid; /* sender's uid */
+ int _status; /* exit code */
+ compat_clock_t _utime;
+ compat_clock_t _stime;
+ } _sigchld;
+
+ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+ struct {
+ compat_uptr_t _addr; /* faulting insn/memory ref. */
+ short _addr_lsb; /* LSB of the reported address */
+ } _sigfault;
+
+ /* SIGPOLL */
+ struct {
+ compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */
+ int _fd;
+ } _sigpoll;
+ } _sifields;
+} compat_siginfo_t;
+
#define COMPAT_OFF_T_MAX 0x7fffffff
#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
@@ -139,7 +198,6 @@ typedef u32 compat_sigset_word;
* as pointers because the syscall entry code will have
* appropriately converted them already.
*/
-typedef u32 compat_uptr_t;
static inline void __user *compat_ptr(compat_uptr_t uptr)
{
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
index ac74c2f261e3..0790a87a4346 100644
--- a/arch/arm64/kernel/signal32.c
+++ b/arch/arm64/kernel/signal32.c
@@ -30,59 +30,6 @@
#include <asm/uaccess.h>
#include <asm/unistd.h>
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- /* The padding is the same size as AArch64. */
- int _pad[SI_PAD_SIZE];
-
- /* kill() */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid32_t _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid32_t _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- compat_pid_t _pid; /* which child */
- __compat_uid32_t _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- compat_uptr_t _addr; /* faulting insn/memory ref. */
- short _addr_lsb; /* LSB of the reported address */
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
- } _sifields;
-} compat_siginfo_t;
-
struct compat_sigaction {
compat_uptr_t sa_handler;
compat_ulong_t sa_flags;