1 #ifndef _ASM_X86_IA32_H 2 #define _ASM_X86_IA32_H 3 4 5 #ifdef CONFIG_IA32_EMULATION 6 7 #include <linux/compat.h> 8 9 /* 10 * 32 bit structures for IA32 support. 11 */ 12 13 #include <asm/sigcontext32.h> 14 15 /* signal.h */ 16 17 struct ucontext_ia32 { 18 unsigned int uc_flags; 19 unsigned int uc_link; 20 compat_stack_t uc_stack; 21 struct sigcontext_ia32 uc_mcontext; 22 compat_sigset_t uc_sigmask; /* mask last for extensibility */ 23 }; 24 25 /* This matches struct stat64 in glibc2.2, hence the absolutely 26 * insane amounts of padding around dev_t's. 27 */ 28 struct stat64 { 29 unsigned long long st_dev; 30 unsigned char __pad0[4]; 31 32 #define STAT64_HAS_BROKEN_ST_INO 1 33 unsigned int __st_ino; 34 35 unsigned int st_mode; 36 unsigned int st_nlink; 37 38 unsigned int st_uid; 39 unsigned int st_gid; 40 41 unsigned long long st_rdev; 42 unsigned char __pad3[4]; 43 44 long long st_size; 45 unsigned int st_blksize; 46 47 long long st_blocks;/* Number 512-byte blocks allocated */ 48 49 unsigned st_atime; 50 unsigned st_atime_nsec; 51 unsigned st_mtime; 52 unsigned st_mtime_nsec; 53 unsigned st_ctime; 54 unsigned st_ctime_nsec; 55 56 unsigned long long st_ino; 57 } __attribute__((packed)); 58 59 #define IA32_STACK_TOP IA32_PAGE_OFFSET 60 61 #ifdef __KERNEL__ 62 struct linux_binprm; 63 extern int ia32_setup_arg_pages(struct linux_binprm *bprm, 64 unsigned long stack_top, int exec_stack); 65 struct mm_struct; 66 extern void ia32_pick_mmap_layout(struct mm_struct *mm); 67 68 #endif 69 70 #endif /* !CONFIG_IA32_SUPPORT */ 71 72 #endif /* _ASM_X86_IA32_H */ 73