2024-09-09 08:52:07 +00:00
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#ifndef _ASM_X86_IA32_H
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#define _ASM_X86_IA32_H
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#ifdef CONFIG_IA32_EMULATION
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#include <linux/compat.h>
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/*
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* 32 bit structures for IA32 support.
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*/
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#include <asm/sigcontext32.h>
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/* signal.h */
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struct ucontext_ia32 {
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unsigned int uc_flags;
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unsigned int uc_link;
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2024-09-09 08:57:42 +00:00
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compat_stack_t uc_stack;
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2024-09-09 08:52:07 +00:00
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struct sigcontext_ia32 uc_mcontext;
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compat_sigset_t uc_sigmask; /* mask last for extensibility */
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};
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struct ucontext_x32 {
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unsigned int uc_flags;
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unsigned int uc_link;
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2024-09-09 08:57:42 +00:00
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compat_stack_t uc_stack;
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2024-09-09 08:52:07 +00:00
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unsigned int uc__pad0; /* needed for alignment */
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struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */
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compat_sigset_t uc_sigmask; /* mask last for extensibility */
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};
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/* This matches struct stat64 in glibc2.2, hence the absolutely
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* insane amounts of padding around dev_t's.
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*/
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struct stat64 {
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unsigned long long st_dev;
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unsigned char __pad0[4];
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#define STAT64_HAS_BROKEN_ST_INO 1
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unsigned int __st_ino;
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unsigned int st_mode;
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unsigned int st_nlink;
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unsigned int st_uid;
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unsigned int st_gid;
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unsigned long long st_rdev;
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unsigned char __pad3[4];
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long long st_size;
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unsigned int st_blksize;
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long long st_blocks;/* Number 512-byte blocks allocated */
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unsigned st_atime;
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unsigned st_atime_nsec;
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unsigned st_mtime;
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unsigned st_mtime_nsec;
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unsigned st_ctime;
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unsigned st_ctime_nsec;
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unsigned long long st_ino;
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} __attribute__((packed));
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#define IA32_STACK_TOP IA32_PAGE_OFFSET
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#ifdef __KERNEL__
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struct linux_binprm;
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extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
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unsigned long stack_top, int exec_stack);
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struct mm_struct;
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extern void ia32_pick_mmap_layout(struct mm_struct *mm);
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#endif
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#endif /* !CONFIG_IA32_SUPPORT */
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#endif /* _ASM_X86_IA32_H */
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