171 lines
3.5 KiB
C
171 lines
3.5 KiB
C
#ifndef _ASM_X86_64_IA32_H
|
|
#define _ASM_X86_64_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
|