| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_IA32_H |
| #define _ASM_X86_IA32_H |
| |
| |
| #ifdef CONFIG_IA32_EMULATION |
| |
| #include <linux/compat.h> |
| |
| /* |
| * 32 bit structures for IA32 support. |
| */ |
| |
| #include <uapi/asm/sigcontext.h> |
| |
| /* signal.h */ |
| |
| struct ucontext_ia32 { |
| unsigned int uc_flags; |
| unsigned int uc_link; |
| compat_stack_t uc_stack; |
| struct sigcontext_32 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)); |
| |
| #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 /* _ASM_X86_IA32_H */ |
