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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 */
};
struct ucontext_x32 {
unsigned int uc_flags;
unsigned int uc_link;
stack_ia32_t uc_stack;
unsigned int uc__pad0; /* needed for alignment */
struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */
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));
#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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