FM / asm

/usr/src/linux-headers-5.15.0-181/arch/x86/include/uapi/asm/

/usr/src/linux-headers-5.15.0-181/arch/x86/include/uapi/asm

Name	Size	Mode	Actions
a.out.h	756	0644	edit dl rm
auxvec.h	546	0644	edit dl rm
bitsperlong.h	321	0644	edit dl rm
boot.h	338	0644	edit dl rm
bootparam.h	8233	0644	edit dl rm
byteorder.h	200	0644	edit dl rm
debugreg.h	3344	0644	edit dl rm
e820.h	2620	0644	edit dl rm
hwcap2.h	324	0644	edit dl rm
hw_breakpoint.h	69	0644	edit dl rm
ist.h	869	0644	edit dl rm
Kbuild	117	0644	edit dl rm
kvm.h	10858	0644	edit dl rm
kvm_para.h	4315	0644	edit dl rm
kvm_perf.h	388	0644	edit dl rm
ldt.h	1306	0644	edit dl rm
mce.h	1745	0644	edit dl rm
mman.h	1002	0644	edit dl rm
msgbuf.h	1079	0644	edit dl rm
msr.h	361	0644	edit dl rm
mtrr.h	4240	0644	edit dl rm
perf_regs.h	1403	0644	edit dl rm
posix_types.h	250	0644	edit dl rm
posix_types_32.h	765	0644	edit dl rm
posix_types_64.h	609	0644	edit dl rm
posix_types_x32.h	581	0644	edit dl rm
prctl.h	524	0644	edit dl rm
processor-flags.h	6638	0644	edit dl rm
ptrace-abi.h	2037	0644	edit dl rm
ptrace.h	1630	0644	edit dl rm
sembuf.h	1070	0644	edit dl rm
setup.h	6	0644	edit dl rm
sgx.h	5935	0644	edit dl rm
shmbuf.h	1258	0644	edit dl rm
sigcontext.h	9950	0644	edit dl rm
sigcontext32.h	271	0644	edit dl rm
siginfo.h	422	0644	edit dl rm
signal.h	2200	0644	edit dl rm
stat.h	3131	0644	edit dl rm
statfs.h	416	0644	edit dl rm
svm.h	8917	0644	edit dl rm
swab.h	769	0644	edit dl rm
ucontext.h	2117	0644	edit dl rm
unistd.h	664	0644	edit dl rm
vm86.h	3201	0644	edit dl rm
vmx.h	7383	0644	edit dl rm
vsyscall.h	278	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/x86/include/uapi/asm/ldt.h (1306B)

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * ldt.h
 *
 * Definitions of structures used with the modify_ldt system call.
 */
#ifndef _ASM_X86_LDT_H
#define _ASM_X86_LDT_H

/* Maximum number of LDT entries supported. */
#define LDT_ENTRIES	8192
/* The size of each LDT entry. */
#define LDT_ENTRY_SIZE	8

#ifndef __ASSEMBLY__
/*
 * Note on 64bit base and limit is ignored and you cannot set DS/ES/CS
 * not to the default values if you still want to do syscalls. This
 * call is more for 32bit mode therefore.
 */
struct user_desc {
	unsigned int  entry_number;
	unsigned int  base_addr;
	unsigned int  limit;
	unsigned int  seg_32bit:1;
	unsigned int  contents:2;
	unsigned int  read_exec_only:1;
	unsigned int  limit_in_pages:1;
	unsigned int  seg_not_present:1;
	unsigned int  useable:1;
#ifdef __x86_64__
	/*
	 * Because this bit is not present in 32-bit user code, user
	 * programs can pass uninitialized values here.  Therefore, in
	 * any context in which a user_desc comes from a 32-bit program,
	 * the kernel must act as though lm == 0, regardless of the
	 * actual value.
	 */
	unsigned int  lm:1;
#endif
};

#define MODIFY_LDT_CONTENTS_DATA	0
#define MODIFY_LDT_CONTENTS_STACK	1
#define MODIFY_LDT_CONTENTS_CODE	2

#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_LDT_H */

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