1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _ASM_X86_IA32_H 3*4882a593Smuzhiyun #define _ASM_X86_IA32_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifdef CONFIG_IA32_EMULATION 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/compat.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* 11*4882a593Smuzhiyun * 32 bit structures for IA32 support. 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <uapi/asm/sigcontext.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* signal.h */ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct ucontext_ia32 { 19*4882a593Smuzhiyun unsigned int uc_flags; 20*4882a593Smuzhiyun unsigned int uc_link; 21*4882a593Smuzhiyun compat_stack_t uc_stack; 22*4882a593Smuzhiyun struct sigcontext_32 uc_mcontext; 23*4882a593Smuzhiyun compat_sigset_t uc_sigmask; /* mask last for extensibility */ 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* This matches struct stat64 in glibc2.2, hence the absolutely 27*4882a593Smuzhiyun * insane amounts of padding around dev_t's. 28*4882a593Smuzhiyun */ 29*4882a593Smuzhiyun struct stat64 { 30*4882a593Smuzhiyun unsigned long long st_dev; 31*4882a593Smuzhiyun unsigned char __pad0[4]; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #define STAT64_HAS_BROKEN_ST_INO 1 34*4882a593Smuzhiyun unsigned int __st_ino; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun unsigned int st_mode; 37*4882a593Smuzhiyun unsigned int st_nlink; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun unsigned int st_uid; 40*4882a593Smuzhiyun unsigned int st_gid; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun unsigned long long st_rdev; 43*4882a593Smuzhiyun unsigned char __pad3[4]; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun long long st_size; 46*4882a593Smuzhiyun unsigned int st_blksize; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun long long st_blocks;/* Number 512-byte blocks allocated */ 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun unsigned st_atime; 51*4882a593Smuzhiyun unsigned st_atime_nsec; 52*4882a593Smuzhiyun unsigned st_mtime; 53*4882a593Smuzhiyun unsigned st_mtime_nsec; 54*4882a593Smuzhiyun unsigned st_ctime; 55*4882a593Smuzhiyun unsigned st_ctime_nsec; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun unsigned long long st_ino; 58*4882a593Smuzhiyun } __attribute__((packed)); 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #define IA32_STACK_TOP IA32_PAGE_OFFSET 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun #ifdef __KERNEL__ 63*4882a593Smuzhiyun struct linux_binprm; 64*4882a593Smuzhiyun extern int ia32_setup_arg_pages(struct linux_binprm *bprm, 65*4882a593Smuzhiyun unsigned long stack_top, int exec_stack); 66*4882a593Smuzhiyun struct mm_struct; 67*4882a593Smuzhiyun extern void ia32_pick_mmap_layout(struct mm_struct *mm); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #endif 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #endif /* !CONFIG_IA32_SUPPORT */ 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun #endif /* _ASM_X86_IA32_H */ 74