OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:12 AM	rwxr-xr-x
📄 Kbuild	703 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acenv.h	541 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acpi.h	4.34 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 alternative.h	7.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 arch_gicv3.h	3.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_timer.h	4.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 arm-cci.h	794 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-bug.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-uaccess.h	2.09 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 assembler.h	13.51 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 atomic.h	8.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic_ll_sc.h	10.61 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 atomic_lse.h	14.82 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 barrier.h	3.78 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 bitops.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitrev.h	452 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 boot.h	384 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 brk-imm.h	706 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	2.23 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cacheflush.h	4.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	1.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 clocksource.h	192 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	7.98 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compat.h	7.15 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compiler.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu.h	1.84 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu_ops.h	2.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpucaps.h	1.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpufeature.h	19.14 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpuidle.h	401 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cputype.h	8.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 current.h	517 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 daifflags.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcc.h	1.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug-monitors.h	3.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 device.h	886 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dmi.h	850 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 efi.h	4.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 elf.h	5.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 esr.h	9.02 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exception.h	1.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exec.h	868 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	815 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	1000 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.91 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fpsimd.h	4.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fpsimdmacros.h	5.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	1.92 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 futex.h	3.41 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hardirq.h	2.08 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hugetlb.h	2.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_breakpoint.h	4.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hwcap.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hypervisor.h	144 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 insn.h	16.03 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 io.h	7.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 irq.h	307 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_work.h	228 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	2.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1.68 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kasan.h	1.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kernel-pgtable.h	4.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kgdb.h	3.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	1.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_arm.h	8.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_asm.h	4.26 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_coproc.h	2.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_emulate.h	10.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_host.h	15.73 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_hyp.h	5.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_mmio.h	1.3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_mmu.h	11.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 linkage.h	114 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 lse.h	1.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 memblock.h	720 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 memory.h	9.16 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu.h	2.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu_context.h	6.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmzone.h	266 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	2.8 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 neon.h	815 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 numa.h	1.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 page-def.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	1.61 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 paravirt.h	458 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	878 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 percpu.h	7.48 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 perf_event.h	3.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	3.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-hwdef.h	9.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-prot.h	4.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-types.h	1.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	21.55 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 probes.h	1022 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 proc-fns.h	1.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 processor.h	6.52 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ptdump.h	1.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	9 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 sdei.h	1.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 seccomp.h	714 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sections.h	1.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 shmparam.h	965 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal32.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 simd.h	1.39 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 smp.h	4.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp_plat.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	771 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	3.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 spinlock_types.h	1.06 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stack_pointer.h	247 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackprotector.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	2.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 stage2_pgtable-nopmd.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable-nopud.h	1.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable.h	4.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stat.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	2.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 suspend.h	1.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sync_bitops.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	2.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sysreg.h	25.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 system_misc.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 timex.h	883 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlb.h	2.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlbflush.h	5.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 topology.h	1.29 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 traps.h	3.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 uaccess.h	12.01 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 unistd.h	1.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd32.h	27.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uprobes.h	777 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso_datapage.h	1.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vectors.h	1.75 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 virt.h	3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vmap_stack.h	769 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 word-at-a-time.h	2.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 xen	-	05/09/2024 07:14:16 AM	rwxr-xr-x

Editing: alternative.h

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

#include <asm/cpucaps.h>
#include <asm/insn.h>

#define ARM64_CB_PATCH ARM64_NCAPS

#ifndef __ASSEMBLY__

#include <linux/init.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/stringify.h>

extern int alternatives_applied;

struct alt_instr {
	s32 orig_offset;	/* offset to original instruction */
	s32 alt_offset;		/* offset to replacement instruction */
	u16 cpufeature;		/* cpufeature bit set for replacement */
	u8  orig_len;		/* size of original instruction(s) */
	u8  alt_len;		/* size of new instruction(s), <= orig_len */
};

typedef void (*alternative_cb_t)(struct alt_instr *alt,
				 __le32 *origptr, __le32 *updptr, int nr_inst);

void __init apply_alternatives_all(void);
void apply_alternatives(void *start, size_t length);

#define ALTINSTR_ENTRY(feature)					              \
	" .word 661b - .\n"				/* label           */ \
	" .word 663f - .\n"				/* new instruction */ \
	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
	" .byte 662b-661b\n"				/* source len      */ \
	" .byte 664f-663f\n"				/* replacement len */

#define ALTINSTR_ENTRY_CB(feature, cb)					      \
	" .word 661b - .\n"				/* label           */ \
	" .word " __stringify(cb) "- .\n"		/* callback */	      \
	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
	" .byte 662b-661b\n"				/* source len      */ \
	" .byte 664f-663f\n"				/* replacement len */

/*
 * alternative assembly primitive:
 *
 * If any of these .org directive fail, it means that insn1 and insn2
 * don't have the same length. This used to be written as
 *
 * .if ((664b-663b) != (662b-661b))
 * 	.error "Alternatives instruction length mismatch"
 * .endif
 *
 * but most assemblers die if insn1 or insn2 have a .inst. This should
 * be fixed in a binutils release posterior to 2.25.51.0.2 (anything
 * containing commit 4e4d08cf7399b606 or c1baaddf8861).
 *
 * Alternatives with callbacks do not generate replacement instructions.
 */
#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled)	\
	".if "__stringify(cfg_enabled)" == 1\n"				\
	"661:\n\t"							\
	oldinstr "\n"							\
	"662:\n"							\
	".pushsection .altinstructions,\"a\"\n"				\
	ALTINSTR_ENTRY(feature)						\
	".popsection\n"							\
	".subsection 1\n"						\
	"663:\n\t"							\
	newinstr "\n"							\
	"664:\n\t"							\
	".org	. - (664b-663b) + (662b-661b)\n\t"			\
	".org	. - (662b-661b) + (664b-663b)\n\t"			\
	".previous\n"							\
	".endif\n"

#define __ALTERNATIVE_CFG_CB(oldinstr, feature, cfg_enabled, cb)	\
	".if "__stringify(cfg_enabled)" == 1\n"				\
	"661:\n\t"							\
	oldinstr "\n"							\
	"662:\n"							\
	".pushsection .altinstructions,\"a\"\n"				\
	ALTINSTR_ENTRY_CB(feature, cb)					\
	".popsection\n"							\
	"663:\n\t"							\
	"664:\n\t"							\
	".endif\n"

#define _ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg, ...)	\
	__ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg))

#define ALTERNATIVE_CB(oldinstr, cb) \
	__ALTERNATIVE_CFG_CB(oldinstr, ARM64_CB_PATCH, 1, cb)
#else

#include <asm/assembler.h>

.macro altinstruction_entry orig_offset alt_offset feature orig_len alt_len
	.word \orig_offset - .
	.word \alt_offset - .
	.hword \feature
	.byte \orig_len
	.byte \alt_len
.endm

.macro alternative_insn insn1, insn2, cap, enable = 1
	.if \enable
661:	\insn1
662:	.pushsection .altinstructions, "a"
	altinstruction_entry 661b, 663f, \cap, 662b-661b, 664f-663f
	.popsection
	.subsection 1
663:	\insn2
664:	.org	. - (664b-663b) + (662b-661b)
	.org	. - (662b-661b) + (664b-663b)
	.previous
	.endif
.endm

/*
 * Alternative sequences
 *
 * The code for the case where the capability is not present will be
 * assembled and linked as normal. There are no restrictions on this
 * code.
 *
 * The code for the case where the capability is present will be
 * assembled into a special section to be used for dynamic patching.
 * Code for that case must:
 *
 * 1. Be exactly the same length (in bytes) as the default code
 *    sequence.
 *
 * 2. Not contain a branch target that is used outside of the
 *    alternative sequence it is defined in (branches into an
 *    alternative sequence are not fixed up).
 */

/*
 * Begin an alternative code sequence.
 */
.macro alternative_if_not cap
	.set .Lasm_alt_mode, 0
	.pushsection .altinstructions, "a"
	altinstruction_entry 661f, 663f, \cap, 662f-661f, 664f-663f
	.popsection
661:
.endm

.macro alternative_if cap
	.set .Lasm_alt_mode, 1
	.pushsection .altinstructions, "a"
	altinstruction_entry 663f, 661f, \cap, 664f-663f, 662f-661f
	.popsection
	.subsection 1
	.align 2	/* So GAS knows label 661 is suitably aligned */
661:
.endm

.macro alternative_cb cb
	.set .Lasm_alt_mode, 0
	.pushsection .altinstructions, "a"
	altinstruction_entry 661f, \cb, ARM64_CB_PATCH, 662f-661f, 0
	.popsection
661:
.endm

/*
 * Provide the other half of the alternative code sequence.
 */
.macro alternative_else
662:
	.if .Lasm_alt_mode==0
	.subsection 1
	.else
	.previous
	.endif
663:
.endm

/*
 * Complete an alternative code sequence.
 */
.macro alternative_endif
664:
	.org	. - (664b-663b) + (662b-661b)
	.org	. - (662b-661b) + (664b-663b)
	.if .Lasm_alt_mode==0
	.previous
	.endif
.endm

/*
 * Callback-based alternative epilogue
 */
.macro alternative_cb_end
662:
.endm

/*
 * Provides a trivial alternative or default sequence consisting solely
 * of NOPs. The number of NOPs is chosen automatically to match the
 * previous case.
 */
.macro alternative_else_nop_endif
alternative_else
	nops	(662b-661b) / AARCH64_INSN_SIZE
alternative_endif
.endm

#define _ALTERNATIVE_CFG(insn1, insn2, cap, cfg, ...)	\
	alternative_insn insn1, insn2, cap, IS_ENABLED(cfg)

.macro user_alt, label, oldinstr, newinstr, cond
9999:	alternative_insn "\oldinstr", "\newinstr", \cond
	_asm_extable 9999b, \label
.endm

/*
 * Generate the assembly for UAO alternatives with exception table entries.
 * This is complicated as there is no post-increment or pair versions of the
 * unprivileged instructions, and USER() only works for single instructions.
 */
#ifdef CONFIG_ARM64_UAO
	.macro uao_ldp l, reg1, reg2, addr, post_inc
		alternative_if_not ARM64_HAS_UAO
8888:			ldp	\reg1, \reg2, [\addr], \post_inc;
8889:			nop;
			nop;
		alternative_else
			ldtr	\reg1, [\addr];
			ldtr	\reg2, [\addr, #8];
			add	\addr, \addr, \post_inc;
		alternative_endif

_asm_extable	8888b,\l;
		_asm_extable	8889b,\l;
	.endm

.macro uao_stp l, reg1, reg2, addr, post_inc
		alternative_if_not ARM64_HAS_UAO
8888:			stp	\reg1, \reg2, [\addr], \post_inc;
8889:			nop;
			nop;
		alternative_else
			sttr	\reg1, [\addr];
			sttr	\reg2, [\addr, #8];
			add	\addr, \addr, \post_inc;
		alternative_endif

_asm_extable	8888b,\l;
		_asm_extable	8889b,\l;
	.endm

.macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
		alternative_if_not ARM64_HAS_UAO
8888:			\inst	\reg, [\addr], \post_inc;
			nop;
		alternative_else
			\alt_inst	\reg, [\addr];
			add		\addr, \addr, \post_inc;
		alternative_endif

_asm_extable	8888b,\l;
	.endm
#else
	.macro uao_ldp l, reg1, reg2, addr, post_inc
		USER(\l, ldp \reg1, \reg2, [\addr], \post_inc)
	.endm
	.macro uao_stp l, reg1, reg2, addr, post_inc
		USER(\l, stp \reg1, \reg2, [\addr], \post_inc)
	.endm
	.macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
		USER(\l, \inst \reg, [\addr], \post_inc)
	.endm
#endif

#endif  /*  __ASSEMBLY__  */

/*
 * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature));
 *
 * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature, CONFIG_FOO));
 * N.B. If CONFIG_FOO is specified, but not selected, the whole block
 *      will be omitted, including oldinstr.
 */
#define ALTERNATIVE(oldinstr, newinstr, ...)   \
	_ALTERNATIVE_CFG(oldinstr, newinstr, __VA_ARGS__, 1)

#endif /* __ASM_ALTERNATIVE_H */