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#ifndef ASM_X86__IA32_H
#define ASM_X86__IA32_H
#ifdef CONFIG_IA32_EMULATION
#include <linux/compat.h>
/*
* 32 bit structures for IA32 support.
*/
#include <asm/sigcontext32.h>
/* signal.h */
struct sigaction32 {
unsigned int sa_handler; /* Really a pointer, but need to deal
with 32 bits */
unsigned int sa_flags;
unsigned int sa_restorer; /* Another 32 bit pointer */
compat_sigset_t sa_mask; /* A 32 bit mask */
};
struct old_sigaction32 {
unsigned int sa_handler; /* Really a pointer, but need to deal
with 32 bits */
compat_old_sigset_t sa_mask; /* A 32 bit mask */
unsigned int sa_flags;
unsigned int sa_restorer; /* Another 32 bit pointer */
};
typedef struct sigaltstack_ia32 {
unsigned int ss_sp;
int ss_flags;
unsigned int ss_size;
} stack_ia32_t;
struct ucontext_ia32 {
unsigned int uc_flags;
unsigned int uc_link;
stack_ia32_t uc_stack;
struct sigcontext_ia32 uc_mcontext;
compat_sigset_t uc_sigmask; /* mask last for extensibility */
};
/* This matches struct stat64 in glibc2.2, hence the absolutely
* insane amounts of padding around dev_t's.
*/
struct stat64 {
unsigned long long st_dev;
unsigned char __pad0[4];
#define STAT64_HAS_BROKEN_ST_INO 1
unsigned int __st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned long long st_rdev;
unsigned char __pad3[4];
long long st_size;
unsigned int st_blksize;
long long st_blocks;/* Number 512-byte blocks allocated */
unsigned st_atime;
unsigned st_atime_nsec;
unsigned st_mtime;
unsigned st_mtime_nsec;
unsigned st_ctime;
unsigned st_ctime_nsec;
unsigned long long st_ino;
} __attribute__((packed));
typedef struct compat_siginfo {
int si_signo;
int si_errno;
int si_code;
union {
int _pad[((128 / sizeof(int)) - 3)];
/* kill() */
struct {
unsigned int _pid; /* sender's pid */
unsigned int _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 */
int _overrun_incr; /* amount to add to overrun */
} _timer;
/* POSIX.1b signals */
struct {
unsigned int _pid; /* sender's pid */
unsigned int _uid; /* sender's uid */
compat_sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
unsigned int _pid; /* which child */
unsigned int _uid; /* sender's uid */
int _status; /* exit code */
compat_clock_t _utime;
compat_clock_t _stime;
} _sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
struct {
unsigned int _addr; /* faulting insn/memory ref. */
} _sigfault;
/* SIGPOLL */
struct {
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
} _sifields;
} compat_siginfo_t;
struct sigframe32 {
u32 pretcode;
int sig;
struct sigcontext_ia32 sc;
struct _fpstate_ia32 fpstate;
unsigned int extramask[_COMPAT_NSIG_WORDS-1];
};
struct rt_sigframe32 {
u32 pretcode;
int sig;
u32 pinfo;
u32 puc;
compat_siginfo_t info;
struct ucontext_ia32 uc;
struct _fpstate_ia32 fpstate;
};
struct ustat32 {
__u32 f_tfree;
compat_ino_t f_tinode;
char f_fname[6];
char f_fpack[6];
};
#define IA32_STACK_TOP IA32_PAGE_OFFSET
#ifdef __KERNEL__
struct linux_binprm;
extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
unsigned long stack_top, int exec_stack);
struct mm_struct;
extern void ia32_pick_mmap_layout(struct mm_struct *mm);
#endif
#endif /* !CONFIG_IA32_SUPPORT */
#endif /* ASM_X86__IA32_H */
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