FM / asm

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/arch/x86/include/asm/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/arch/x86/include/asm

Name	Size	Mode	Actions
crypto/	-	0755	rm
e820/	-	0755	rm
fpu/	-	0755	rm
numachip/	-	0755	rm
shared/	-	0755	rm
trace/	-	0755	rm
uv/	-	0755	rm
vdso/	-	0755	rm
xen/	-	0755	rm
a.out-core.h	1931	0644	edit dl rm
acenv.h	1596	0644	edit dl rm
acpi.h	5300	0644	edit dl rm
agp.h	1070	0644	edit dl rm
alternative.h	11407	0644	edit dl rm
amd-ibs.h	5020	0644	edit dl rm
amd_hsmp.h	364	0644	edit dl rm
amd_nb.h	3086	0644	edit dl rm
apb_timer.h	1466	0644	edit dl rm
apic.h	14661	0644	edit dl rm
apicdef.h	11565	0644	edit dl rm
apic_flat_64.h	151	0644	edit dl rm
apm.h	1768	0644	edit dl rm
archrandom.h	3221	0644	edit dl rm
arch_hweight.h	1311	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	946	0644	edit dl rm
asm.h	5186	0644	edit dl rm
atomic.h	6279	0644	edit dl rm
atomic64_32.h	8150	0644	edit dl rm
atomic64_64.h	5933	0644	edit dl rm
audit.h	170	0644	edit dl rm
barrier.h	2471	0644	edit dl rm
bios_ebda.h	914	0644	edit dl rm
bitops.h	10727	0644	edit dl rm
boot.h	1825	0644	edit dl rm
bootparam_utils.h	2907	0644	edit dl rm
bug.h	2117	0644	edit dl rm
bugs.h	533	0644	edit dl rm
cache.h	641	0644	edit dl rm
cacheflush.h	306	0644	edit dl rm
cacheinfo.h	209	0644	edit dl rm
calgary.h	2370	0644	edit dl rm
ce4100.h	121	0644	edit dl rm
checksum.h	133	0644	edit dl rm
checksum_32.h	4964	0644	edit dl rm
checksum_64.h	5541	0644	edit dl rm
clocksource.h	480	0644	edit dl rm
cmdline.h	302	0644	edit dl rm
cmpxchg.h	7891	0644	edit dl rm
cmpxchg_32.h	3247	0644	edit dl rm
cmpxchg_64.h	552	0644	edit dl rm
coco.h	482	0644	edit dl rm
compat.h	4861	0644	edit dl rm
cpu.h	2607	0644	edit dl rm
cpufeature.h	9470	0644	edit dl rm
cpufeatures.h	32845	0644	edit dl rm
cpuid.h	498	0644	edit dl rm
cpuidle_haltpoll.h	189	0644	edit dl rm
cpumask.h	408	0644	edit dl rm
cpu_device_id.h	8109	0644	edit dl rm
cpu_entry_area.h	4162	0644	edit dl rm
crash.h	300	0644	edit dl rm
current.h	443	0644	edit dl rm
debugreg.h	3411	0644	edit dl rm
delay.h	275	0644	edit dl rm
desc.h	12274	0644	edit dl rm
desc_defs.h	3396	0644	edit dl rm
device.h	328	0644	edit dl rm
disabled-features.h	3559	0644	edit dl rm
div64.h	2189	0644	edit dl rm
dma-mapping.h	288	0644	edit dl rm
dma.h	9827	0644	edit dl rm
dmi.h	556	0644	edit dl rm
dwarf2.h	2487	0644	edit dl rm
edac.h	474	0644	edit dl rm
efi.h	7416	0644	edit dl rm
elf.h	12640	0644	edit dl rm
emergency-restart.h	202	0644	edit dl rm
emulate_prefix.h	484	0644	edit dl rm
enclu.h	181	0644	edit dl rm
entry_arch.h	1922	0644	edit dl rm
espfix.h	426	0644	edit dl rm
exec.h	37	0644	edit dl rm
export.h	120	0644	edit dl rm
extable.h	1300	0644	edit dl rm
fb.h	540	0644	edit dl rm
fixmap.h	6381	0644	edit dl rm
floppy.h	6748	0644	edit dl rm
frame.h	2237	0644	edit dl rm
fsgsbase.h	2072	0644	edit dl rm
ftrace.h	2777	0644	edit dl rm
futex.h	2269	0644	edit dl rm
gart.h	2682	0644	edit dl rm
genapic.h	22	0644	edit dl rm
geode.h	842	0644	edit dl rm
hardirq.h	2207	0644	edit dl rm
highmem.h	2466	0644	edit dl rm
hpet.h	3461	0644	edit dl rm
hugetlb.h	1867	0644	edit dl rm
hw_breakpoint.h	2112	0644	edit dl rm
hw_irq.h	4126	0644	edit dl rm
hyperv-tlfs.h	22337	0644	edit dl rm
hypervisor.h	1975	0644	edit dl rm
i8259.h	1975	0644	edit dl rm
ia32.h	1789	0644	edit dl rm
ia32_unistd.h	313	0644	edit dl rm
imr.h	1849	0644	edit dl rm
inat.h	6736	0644	edit dl rm
inat_types.h	1013	0644	edit dl rm
init.h	632	0644	edit dl rm
insn-eval.h	1546	0644	edit dl rm
insn.h	8098	0644	edit dl rm
inst.h	5453	0644	edit dl rm
intel-family.h	5168	0644	edit dl rm
intel-mid.h	5025	0644	edit dl rm
intel_ds.h	849	0644	edit dl rm
intel_mid_vrtc.h	330	0644	edit dl rm
intel_pconfig.h	1545	0644	edit dl rm
intel_pmc_ipc.h	2267	0644	edit dl rm
intel_pt.h	1276	0644	edit dl rm
intel_punit_ipc.h	4666	0644	edit dl rm
intel_scu_ipc.h	2351	0644	edit dl rm
intel_telemetry.h	4060	0644	edit dl rm
invpcid.h	1604	0644	edit dl rm
io.h	11872	0644	edit dl rm
iomap.h	1228	0644	edit dl rm
iommu.h	935	0644	edit dl rm
iosf_mbi.h	7354	0644	edit dl rm
io_apic.h	5890	0644	edit dl rm
ipi.h	2873	0644	edit dl rm
irq.h	1415	0644	edit dl rm
irqdomain.h	1796	0644	edit dl rm
irqflags.h	4161	0644	edit dl rm
irq_regs.h	683	0644	edit dl rm
irq_remapping.h	2865	0644	edit dl rm
irq_vectors.h	4105	0644	edit dl rm
irq_work.h	465	0644	edit dl rm
ist.h	735	0644	edit dl rm
jailhouse_para.h	449	0644	edit dl rm
jump_label.h	2529	0644	edit dl rm
kasan.h	1291	0644	edit dl rm
kaslr.h	314	0644	edit dl rm
kbdleds.h	454	0644	edit dl rm
Kbuild	319	0644	edit dl rm
kdebug.h	1042	0644	edit dl rm
kexec-bzimage64.h	195	0644	edit dl rm
kexec.h	5843	0644	edit dl rm
kgdb.h	2143	0644	edit dl rm
kprobes.h	3701	0644	edit dl rm
kvm-x86-ops.h	3989	0644	edit dl rm
kvmclock.h	506	0644	edit dl rm
kvm_host.h	63925	0644	edit dl rm
kvm_page_track.h	2700	0644	edit dl rm
kvm_para.h	4422	0644	edit dl rm
kvm_types.h	178	0644	edit dl rm
kvm_vcpu_regs.h	606	0644	edit dl rm
linkage.h	1268	0644	edit dl rm
livepatch.h	1039	0644	edit dl rm
local.h	3925	0644	edit dl rm
local64.h	33	0644	edit dl rm
mach_timer.h	1590	0644	edit dl rm
mach_traps.h	1013	0644	edit dl rm
math_emu.h	395	0644	edit dl rm
mc146818rtc.h	2835	0644	edit dl rm
mce.h	11909	0644	edit dl rm
mcsafe_test.h	1418	0644	edit dl rm
memtype.h	815	0644	edit dl rm
mem_encrypt.h	3543	0644	edit dl rm
microcode.h	3557	0644	edit dl rm
microcode_amd.h	1373	0644	edit dl rm
microcode_intel.h	2619	0644	edit dl rm
misc.h	143	0644	edit dl rm
mmconfig.h	374	0644	edit dl rm
mmu.h	1689	0644	edit dl rm
mmu_context.h	10118	0644	edit dl rm
mmx.h	337	0644	edit dl rm
mmzone.h	129	0644	edit dl rm
mmzone_32.h	1188	0644	edit dl rm
mmzone_64.h	430	0644	edit dl rm
module.h	2096	0644	edit dl rm
mpspec.h	4023	0644	edit dl rm
mpspec_def.h	4256	0644	edit dl rm
mpx.h	3125	0644	edit dl rm
mshyperv.h	10142	0644	edit dl rm
msi.h	1508	0644	edit dl rm
msidef.h	1814	0644	edit dl rm
msr-index.h	42400	0644	edit dl rm
msr-trace.h	1387	0644	edit dl rm
msr.h	11290	0644	edit dl rm
mtrr.h	4753	0644	edit dl rm
mwait.h	4968	0644	edit dl rm
nmi.h	1496	0644	edit dl rm
nops.h	4412	0644	edit dl rm
nospec-branch.h	14205	0644	edit dl rm
numa.h	2228	0644	edit dl rm
numa_32.h	256	0644	edit dl rm
olpc.h	3240	0644	edit dl rm
olpc_ofw.h	1128	0644	edit dl rm
orc_lookup.h	1665	0644	edit dl rm
orc_types.h	3577	0644	edit dl rm
page.h	2517	0644	edit dl rm
page_32.h	1039	0644	edit dl rm
page_32_types.h	1691	0644	edit dl rm
page_64.h	1573	0644	edit dl rm
page_64_types.h	2208	0644	edit dl rm
page_types.h	2369	0644	edit dl rm
paravirt.h	24608	0644	edit dl rm
paravirt_types.h	22709	0644	edit dl rm
parport.h	314	0644	edit dl rm
pci-direct.h	740	0644	edit dl rm
pci-functions.h	654	0644	edit dl rm
pci.h	3288	0644	edit dl rm
pci_64.h	684	0644	edit dl rm
pci_x86.h	6283	0644	edit dl rm
percpu.h	20267	0644	edit dl rm
perf_event.h	17896	0644	edit dl rm
perf_event_p4.h	26731	0644	edit dl rm
pgalloc.h	6591	0644	edit dl rm
pgtable-2level.h	2815	0644	edit dl rm
pgtable-2level_types.h	867	0644	edit dl rm
pgtable-3level.h	8832	0644	edit dl rm
pgtable-3level_types.h	1007	0644	edit dl rm
pgtable-invert.h	1091	0644	edit dl rm
pgtable.h	35801	0644	edit dl rm
pgtable_32.h	3159	0644	edit dl rm
pgtable_32_types.h	2121	0644	edit dl rm
pgtable_64.h	7474	0644	edit dl rm
pgtable_64_types.h	4365	0644	edit dl rm
pgtable_types.h	17149	0644	edit dl rm
pkeys.h	3542	0644	edit dl rm
pkru.h	1346	0644	edit dl rm
platform_sst_audio.h	3290	0644	edit dl rm
pm-trace.h	611	0644	edit dl rm
posix_types.h	144	0644	edit dl rm
preempt.h	3217	0644	edit dl rm
probe_roms.h	273	0644	edit dl rm
processor-cyrix.h	879	0644	edit dl rm
processor-flags.h	1750	0644	edit dl rm
processor.h	24480	0644	edit dl rm
prom.h	1028	0644	edit dl rm
proto.h	1313	0644	edit dl rm
pti.h	429	0644	edit dl rm
ptrace.h	8996	0644	edit dl rm
purgatory.h	235	0644	edit dl rm
pvclock-abi.h	1530	0644	edit dl rm
pvclock.h	2702	0644	edit dl rm
qrwlock.h	199	0644	edit dl rm
qspinlock.h	2598	0644	edit dl rm
qspinlock_paravirt.h	1908	0644	edit dl rm
realmode.h	2064	0644	edit dl rm
reboot.h	898	0644	edit dl rm
reboot_fixups.h	183	0644	edit dl rm
refcount.h	2911	0644	edit dl rm
required-features.h	3043	0644	edit dl rm
resctrl.h	3064	0644	edit dl rm
rio.h	2630	0644	edit dl rm
rmwcc.h	2259	0644	edit dl rm
seccomp.h	510	0644	edit dl rm
sections.h	916	0644	edit dl rm
segment.h	11184	0644	edit dl rm
serial.h	1137	0644	edit dl rm
setup.h	3751	0644	edit dl rm
setup_arch.h	77	0644	edit dl rm
set_memory.h	5381	0644	edit dl rm
sev-common.h	4867	0644	edit dl rm
sev.h	6965	0644	edit dl rm
sgx.h	13157	0644	edit dl rm
shmparam.h	193	0644	edit dl rm
sigcontext.h	261	0644	edit dl rm
sigframe.h	2339	0644	edit dl rm
sighandling.h	730	0644	edit dl rm
signal.h	2424	0644	edit dl rm
simd.h	287	0644	edit dl rm
smap.h	2247	0644	edit dl rm
smp.h	5500	0644	edit dl rm
sparsemem.h	994	0644	edit dl rm
spec-ctrl.h	3143	0644	edit dl rm
special_insns.h	7536	0644	edit dl rm
spinlock.h	1214	0644	edit dl rm
spinlock_types.h	719	0644	edit dl rm
sta2x11.h	352	0644	edit dl rm
stackprotector.h	3966	0644	edit dl rm
stacktrace.h	2619	0644	edit dl rm
string.h	129	0644	edit dl rm
string_32.h	7929	0644	edit dl rm
string_64.h	4237	0644	edit dl rm
suspend.h	503	0644	edit dl rm
suspend_32.h	938	0644	edit dl rm
suspend_64.h	1838	0644	edit dl rm
svm.h	14672	0644	edit dl rm
switch_to.h	3258	0644	edit dl rm
sync_bitops.h	3503	0644	edit dl rm
sync_core.h	3138	0644	edit dl rm
syscall.h	5489	0644	edit dl rm
syscalls.h	1332	0644	edit dl rm
syscall_wrapper.h	7780	0644	edit dl rm
sysfb.h	2600	0644	edit dl rm
tce.h	1724	0644	edit dl rm
tdx.h	2360	0644	edit dl rm
text-patching.h	4812	0644	edit dl rm
thermal.h	428	0644	edit dl rm
thread_info.h	8805	0644	edit dl rm
time.h	331	0644	edit dl rm
timer.h	1027	0644	edit dl rm
timex.h	305	0644	edit dl rm
tlb.h	1103	0644	edit dl rm
tlbbatch.h	332	0644	edit dl rm
tlbflush.h	17813	0644	edit dl rm
topology.h	6654	0644	edit dl rm
trace_clock.h	406	0644	edit dl rm
trapnr.h	1316	0644	edit dl rm
traps.h	5374	0644	edit dl rm
trap_pf.h	709	0644	edit dl rm
tsc.h	1950	0644	edit dl rm
uaccess.h	21233	0644	edit dl rm
uaccess_32.h	1006	0644	edit dl rm
uaccess_64.h	3129	0644	edit dl rm
umip.h	329	0644	edit dl rm
unaligned.h	345	0644	edit dl rm
unistd.h	1482	0644	edit dl rm
unwind.h	3220	0644	edit dl rm
unwind_hints.h	3342	0644	edit dl rm
uprobes.h	1686	0644	edit dl rm
user.h	2257	0644	edit dl rm
user32.h	2156	0644	edit dl rm
user_32.h	5042	0644	edit dl rm
user_64.h	5339	0644	edit dl rm
vdso.h	1400	0644	edit dl rm
vga.h	740	0644	edit dl rm
vgtod.h	518	0644	edit dl rm
virtext.h	3102	0644	edit dl rm
vm86.h	2212	0644	edit dl rm
vmware.h	1942	0644	edit dl rm
vmx.h	26763	0644	edit dl rm
vmxfeatures.h	6049	0644	edit dl rm
vsyscall.h	920	0644	edit dl rm
vvar.h	1603	0644	edit dl rm
word-at-a-time.h	2596	0644	edit dl rm
x86_init.h	11520	0644	edit dl rm
xor.h	10508	0644	edit dl rm
xor_32.h	14748	0644	edit dl rm
xor_64.h	716	0644	edit dl rm
xor_avx.h	4610	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/arch/x86/include/asm/elf.h (12640B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_ELF_H
#define _ASM_X86_ELF_H

/*
 * ELF register definitions..
 */
#include <linux/thread_info.h>

#include <asm/ptrace.h>
#include <asm/user.h>
#include <asm/auxvec.h>
#include <asm/fsgsbase.h>

typedef unsigned long elf_greg_t;

#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef struct user_i387_struct elf_fpregset_t;

#ifdef __i386__

typedef struct user_fxsr_struct elf_fpxregset_t;

#define R_386_NONE	0
#define R_386_32	1
#define R_386_PC32	2
#define R_386_GOT32	3
#define R_386_PLT32	4
#define R_386_COPY	5
#define R_386_GLOB_DAT	6
#define R_386_JMP_SLOT	7
#define R_386_RELATIVE	8
#define R_386_GOTOFF	9
#define R_386_GOTPC	10
#define R_386_NUM	11

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32
#define ELF_DATA	ELFDATA2LSB
#define ELF_ARCH	EM_386

#else

/* x86-64 relocation types */
#define R_X86_64_NONE		0	/* No reloc */
#define R_X86_64_64		1	/* Direct 64 bit  */
#define R_X86_64_PC32		2	/* PC relative 32 bit signed */
#define R_X86_64_GOT32		3	/* 32 bit GOT entry */
#define R_X86_64_PLT32		4	/* 32 bit PLT address */
#define R_X86_64_COPY		5	/* Copy symbol at runtime */
#define R_X86_64_GLOB_DAT	6	/* Create GOT entry */
#define R_X86_64_JUMP_SLOT	7	/* Create PLT entry */
#define R_X86_64_RELATIVE	8	/* Adjust by program base */
#define R_X86_64_GOTPCREL	9	/* 32 bit signed pc relative
					   offset to GOT */
#define R_X86_64_32		10	/* Direct 32 bit zero extended */
#define R_X86_64_32S		11	/* Direct 32 bit sign extended */
#define R_X86_64_16		12	/* Direct 16 bit zero extended */
#define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
#define R_X86_64_8		14	/* Direct 8 bit sign extended  */
#define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */

#define R_X86_64_NUM		16

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS64
#define ELF_DATA	ELFDATA2LSB
#define ELF_ARCH	EM_X86_64

#endif

#include <asm/vdso.h>

#ifdef CONFIG_X86_64
extern unsigned int vdso64_enabled;
#endif
#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
extern unsigned int vdso32_enabled;
#endif

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch_ia32(x) \
	(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))

#include <asm/processor.h>

#ifdef CONFIG_X86_32
#include <asm/desc.h>

#define elf_check_arch(x)	elf_check_arch_ia32(x)

/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
   contains a pointer to a function which might be registered using `atexit'.
   This provides a mean for the dynamic linker to call DT_FINI functions for
   shared libraries that have been loaded before the code runs.

A value of 0 tells we have no such handler.

We might as well make sure everything else is cleared too (except for %esp),
   just to make things more deterministic.
 */
#define ELF_PLAT_INIT(_r, load_addr)		\
	do {					\
	_r->bx = 0; _r->cx = 0; _r->dx = 0;	\
	_r->si = 0; _r->di = 0; _r->bp = 0;	\
	_r->ax = 0;				\
} while (0)

/*
 * regs is struct pt_regs, pr_reg is elf_gregset_t (which is
 * now struct_user_regs, they are different)
 */

#define ELF_CORE_COPY_REGS_COMMON(pr_reg, regs)	\
do {						\
	pr_reg[0] = regs->bx;			\
	pr_reg[1] = regs->cx;			\
	pr_reg[2] = regs->dx;			\
	pr_reg[3] = regs->si;			\
	pr_reg[4] = regs->di;			\
	pr_reg[5] = regs->bp;			\
	pr_reg[6] = regs->ax;			\
	pr_reg[7] = regs->ds;			\
	pr_reg[8] = regs->es;			\
	pr_reg[9] = regs->fs;			\
	pr_reg[11] = regs->orig_ax;		\
	pr_reg[12] = regs->ip;			\
	pr_reg[13] = regs->cs;			\
	pr_reg[14] = regs->flags;		\
	pr_reg[15] = regs->sp;			\
	pr_reg[16] = regs->ss;			\
} while (0);

#define ELF_CORE_COPY_REGS(pr_reg, regs)	\
do {						\
	ELF_CORE_COPY_REGS_COMMON(pr_reg, regs);\
	pr_reg[10] = get_user_gs(regs);		\
} while (0);

#define ELF_CORE_COPY_KERNEL_REGS(pr_reg, regs)	\
do {						\
	ELF_CORE_COPY_REGS_COMMON(pr_reg, regs);\
	savesegment(gs, pr_reg[10]);		\
} while (0);

#define ELF_PLATFORM	(utsname()->machine)
#define set_personality_64bit()	do { } while (0)

#else /* CONFIG_X86_32 */

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch(x)			\
	((x)->e_machine == EM_X86_64)

/*
 * RHEL-only: avoid including '<asm/ia32.h>' here as doing so breaks core dumps,
 * see https://issues.redhat.com/browse/RHEL-33448. Use __ia32_enabled directly
 * instead.
 */
extern bool __ia32_enabled;

#define compat_elf_check_arch(x)					\
	((elf_check_arch_ia32(x) && __ia32_enabled) ||			\
	 (IS_ENABLED(CONFIG_X86_X32_ABI) && (x)->e_machine == EM_X86_64))

#if __USER32_DS != __USER_DS
# error "The following code assumes __USER32_DS == __USER_DS"
#endif

static inline void elf_common_init(struct thread_struct *t,
				   struct pt_regs *regs, const u16 ds)
{
	/* ax gets execve's return value. */
	/*regs->ax = */ regs->bx = regs->cx = regs->dx = 0;
	regs->si = regs->di = regs->bp = 0;
	regs->r8 = regs->r9 = regs->r10 = regs->r11 = 0;
	regs->r12 = regs->r13 = regs->r14 = regs->r15 = 0;
	t->fsbase = t->gsbase = 0;
	t->fsindex = t->gsindex = 0;
	t->ds = t->es = ds;
}

#define ELF_PLAT_INIT(_r, load_addr)			\
	elf_common_init(&current->thread, _r, 0)

#define	COMPAT_ELF_PLAT_INIT(regs, load_addr)		\
	elf_common_init(&current->thread, regs, __USER_DS)

void compat_start_thread(struct pt_regs *regs, u32 new_ip, u32 new_sp);
#define compat_start_thread compat_start_thread

void set_personality_ia32(bool);
#define COMPAT_SET_PERSONALITY(ex)			\
	set_personality_ia32((ex).e_machine == EM_X86_64)

#define COMPAT_ELF_PLATFORM			("i686")

/*
 * regs is struct pt_regs, pr_reg is elf_gregset_t (which is
 * now struct_user_regs, they are different). Assumes current is the process
 * getting dumped.
 */

#define ELF_CORE_COPY_REGS(pr_reg, regs)			\
do {								\
	unsigned v;						\
	(pr_reg)[0] = (regs)->r15;				\
	(pr_reg)[1] = (regs)->r14;				\
	(pr_reg)[2] = (regs)->r13;				\
	(pr_reg)[3] = (regs)->r12;				\
	(pr_reg)[4] = (regs)->bp;				\
	(pr_reg)[5] = (regs)->bx;				\
	(pr_reg)[6] = (regs)->r11;				\
	(pr_reg)[7] = (regs)->r10;				\
	(pr_reg)[8] = (regs)->r9;				\
	(pr_reg)[9] = (regs)->r8;				\
	(pr_reg)[10] = (regs)->ax;				\
	(pr_reg)[11] = (regs)->cx;				\
	(pr_reg)[12] = (regs)->dx;				\
	(pr_reg)[13] = (regs)->si;				\
	(pr_reg)[14] = (regs)->di;				\
	(pr_reg)[15] = (regs)->orig_ax;				\
	(pr_reg)[16] = (regs)->ip;				\
	(pr_reg)[17] = (regs)->cs;				\
	(pr_reg)[18] = (regs)->flags;				\
	(pr_reg)[19] = (regs)->sp;				\
	(pr_reg)[20] = (regs)->ss;				\
	(pr_reg)[21] = x86_fsbase_read_cpu();			\
	(pr_reg)[22] = x86_gsbase_read_cpu_inactive();		\
	asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v;	\
	asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v;	\
	asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v;	\
	asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v;	\
} while (0);

/* I'm not sure if we can use '-' here */
#define ELF_PLATFORM       ("x86_64")
extern void set_personality_64bit(void);
extern unsigned int sysctl_vsyscall32;
extern int force_personality32;

#endif /* !CONFIG_X86_32 */

#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE	4096

/*
 * This is the base location for PIE (ET_DYN with INTERP) loads. On
 * 64-bit, this is above 4GB to leave the entire 32-bit address
 * space open for things that want to use the area for 32-bit pointers.
 */
#define ELF_ET_DYN_BASE		(mmap_is_ia32() ? 0x000400000UL : \
						  (DEFAULT_MAP_WINDOW / 3 * 2))

/* This yields a mask that user programs can use to figure out what
   instruction set this CPU supports.  This could be done in user space,
   but it's not easy, and we've already done it here.  */

#define ELF_HWCAP		(boot_cpu_data.x86_capability[CPUID_1_EDX])

extern u32 elf_hwcap2;

/*
 * HWCAP2 supplies mask with kernel enabled CPU features, so that
 * the application can discover that it can safely use them.
 * The bits are defined in uapi/asm/hwcap2.h.
 */
#define ELF_HWCAP2		(elf_hwcap2)

/* This yields a string that ld.so will use to load implementation
   specific libraries for optimization.  This is more specific in
   intent than poking at uname or /proc/cpuinfo.

For the moment, we have only optimizations for the Intel generations,
   but that could change... */

#define SET_PERSONALITY(ex) set_personality_64bit()

/*
 * An executable for which elf_read_implies_exec() returns TRUE will
 * have the READ_IMPLIES_EXEC personality flag set automatically.
 *
 * The decision process for determining the results are:
 *
 *                 CPU: | lacks NX*  | has NX, ia32     | has NX, x86_64 |
 * ELF:                 |            |                  |                |
 * ---------------------|------------|------------------|----------------|
 * missing PT_GNU_STACK | exec-all   | exec-all         | exec-none      |
 * PT_GNU_STACK == RWX  | exec-stack | exec-stack       | exec-stack     |
 * PT_GNU_STACK == RW   | exec-none  | exec-none        | exec-none      |
 *
 *  exec-all  : all PROT_READ user mappings are executable, except when
 *              backed by files on a noexec-filesystem.
 *  exec-none : only PROT_EXEC user mappings are executable.
 *  exec-stack: only the stack and PROT_EXEC user mappings are executable.
 *
 *  *this column has no architectural effect: NX markings are ignored by
 *   hardware, but may have behavioral effects when "wants X" collides with
 *   "cannot be X" constraints in memory permission flags, as in
 *   https://lkml.kernel.org/r/20190418055759.GA3155@mellanox.com
 *
 */
#define elf_read_implies_exec(ex, executable_stack)	\
	(mmap_is_ia32() && executable_stack == EXSTACK_DEFAULT)

struct task_struct;

#define	ARCH_DLINFO_IA32						\
do {									\
	if (VDSO_CURRENT_BASE) {					\
		NEW_AUX_ENT(AT_SYSINFO,	VDSO_ENTRY);			\
		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE);	\
	}								\
	NEW_AUX_ENT(AT_MINSIGSTKSZ, get_sigframe_size());		\
} while (0)

/*
 * True on X86_32 or when emulating IA32 on X86_64
 */
static inline int mmap_is_ia32(void)
{
	return IS_ENABLED(CONFIG_X86_32) ||
	       (IS_ENABLED(CONFIG_COMPAT) &&
		test_thread_flag(TIF_ADDR32));
}

extern unsigned long task_size_32bit(void);
extern unsigned long task_size_64bit(int full_addr_space);
extern unsigned long get_mmap_base(int is_legacy);
extern bool mmap_address_hint_valid(unsigned long addr, unsigned long len);
extern unsigned long get_sigframe_size(void);

#ifdef CONFIG_X86_32

#define __STACK_RND_MASK(is32bit) (0x7ff)
#define STACK_RND_MASK (0x7ff)

#define ARCH_DLINFO		ARCH_DLINFO_IA32

/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */

#else /* CONFIG_X86_32 */

/* 1GB for 64bit, 8MB for 32bit */
#define __STACK_RND_MASK(is32bit) ((is32bit) ? 0x7ff : 0x3fffff)
#define STACK_RND_MASK __STACK_RND_MASK(mmap_is_ia32())

#define ARCH_DLINFO							\
do {									\
	if (vdso64_enabled)						\
		NEW_AUX_ENT(AT_SYSINFO_EHDR,				\
			    (unsigned long __force)current->mm->context.vdso); \
	NEW_AUX_ENT(AT_MINSIGSTKSZ, get_sigframe_size());		\
} while (0)

/* As a historical oddity, the x32 and x86_64 vDSOs are controlled together. */
#define ARCH_DLINFO_X32							\
do {									\
	if (vdso64_enabled)						\
		NEW_AUX_ENT(AT_SYSINFO_EHDR,				\
			    (unsigned long __force)current->mm->context.vdso); \
	NEW_AUX_ENT(AT_MINSIGSTKSZ, get_sigframe_size());		\
} while (0)

#define AT_SYSINFO		32

#define COMPAT_ARCH_DLINFO						\
if (test_thread_flag(TIF_X32))						\
	ARCH_DLINFO_X32;						\
else									\
	ARCH_DLINFO_IA32

#define COMPAT_ELF_ET_DYN_BASE	(TASK_UNMAPPED_BASE + 0x1000000)

#endif /* !CONFIG_X86_32 */

#define VDSO_CURRENT_BASE	((unsigned long)current->mm->context.vdso)

#define VDSO_ENTRY							\
	((unsigned long)current->mm->context.vdso +			\
	 vdso_image_32.sym___kernel_vsyscall)

struct linux_binprm;

#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
				       int uses_interp);
extern int compat_arch_setup_additional_pages(struct linux_binprm *bprm,
					      int uses_interp);
#define compat_arch_setup_additional_pages compat_arch_setup_additional_pages

/* Do not change the values. See get_align_mask() */
enum align_flags {
	ALIGN_VA_32	= BIT(0),
	ALIGN_VA_64	= BIT(1),
};

struct va_alignment {
	int flags;
	unsigned long mask;
	unsigned long bits;
} ____cacheline_aligned;

extern struct va_alignment va_align;
extern unsigned long align_vdso_addr(unsigned long);
#endif /* _ASM_X86_ELF_H */

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