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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | #ifndef _ASM_X86_64_IA32_H #define _ASM_X86_64_IA32_H #include <linux/config.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 user_desc; struct siginfo_t; int do_get_thread_area(struct thread_struct *t, struct user_desc __user *info); int do_set_thread_area(struct thread_struct *t, struct user_desc __user *info); int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs); 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 |