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 struct ucontext_x32 { 26 unsigned int uc_flags; 27 unsigned int uc_link; 28 compat_stack_t uc_stack; 29 unsigned int uc__pad0; /* needed for alignment */ 30 struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */ 31 compat_sigset_t uc_sigmask; /* mask last for extensibility */ 32 }; 33 34 /* This matches struct stat64 in glibc2.2, hence the absolutely 35 * insane amounts of padding around dev_t's. 36 */ 37 struct stat64 { 38 unsigned long long st_dev; 39 unsigned char __pad0[4]; 40 41 #define STAT64_HAS_BROKEN_ST_INO 1 42 unsigned int __st_ino; 43 44 unsigned int st_mode; 45 unsigned int st_nlink; 46 47 unsigned int st_uid; 48 unsigned int st_gid; 49 50 unsigned long long st_rdev; 51 unsigned char __pad3[4]; 52 53 long long st_size; 54 unsigned int st_blksize; 55 56 long long st_blocks;/* Number 512-byte blocks allocated */ 57 58 unsigned st_atime; 59 unsigned st_atime_nsec; 60 unsigned st_mtime; 61 unsigned st_mtime_nsec; 62 unsigned st_ctime; 63 unsigned st_ctime_nsec; 64 65 unsigned long long st_ino; 66 } __attribute__((packed)); 67 68 #define IA32_STACK_TOP IA32_PAGE_OFFSET 69 70 #ifdef __KERNEL__ 71 struct linux_binprm; 72 extern int ia32_setup_arg_pages(struct linux_binprm *bprm, 73 unsigned long stack_top, int exec_stack); 74 struct mm_struct; 75 extern void ia32_pick_mmap_layout(struct mm_struct *mm); 76 77 #endif 78 79 #endif /* !CONFIG_IA32_SUPPORT */ 80 81 #endif /* _ASM_X86_IA32_H */ 82