SWAMPy

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EDITING: asm-extable.h

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

#define EX_TYPE_NONE			0
#define EX_TYPE_FIXUP			1
#define EX_TYPE_BPF			2
#define EX_TYPE_UACCESS_ERR_ZERO	3
#define EX_TYPE_LOAD_UNALIGNED_ZEROPAD	4

#ifdef CONFIG_MMU

#ifdef __ASSEMBLY__

#define __ASM_EXTABLE_RAW(insn, fixup, type, data)	\
	.pushsection	__ex_table, "a";		\
	.balign		4;				\
	.long		((insn) - .);			\
	.long		((fixup) - .);			\
	.short		(type);				\
	.short		(data);				\
	.popsection;

.macro		_asm_extable, insn, fixup
	__ASM_EXTABLE_RAW(\insn, \fixup, EX_TYPE_FIXUP, 0)
	.endm

#else /* __ASSEMBLY__ */

#include <linux/bits.h>
#include <linux/stringify.h>
#include <asm/gpr-num.h>

#define __ASM_EXTABLE_RAW(insn, fixup, type, data)	\
	".pushsection	__ex_table, \"a\"\n"		\
	".balign	4\n"				\
	".long		((" insn ") - .)\n"		\
	".long		((" fixup ") - .)\n"		\
	".short		(" type ")\n"			\
	".short		(" data ")\n"			\
	".popsection\n"

#define _ASM_EXTABLE(insn, fixup)	\
	__ASM_EXTABLE_RAW(#insn, #fixup, __stringify(EX_TYPE_FIXUP), "0")

#define EX_DATA_REG_ERR_SHIFT	0
#define EX_DATA_REG_ERR		GENMASK(4, 0)
#define EX_DATA_REG_ZERO_SHIFT	5
#define EX_DATA_REG_ZERO	GENMASK(9, 5)

#define EX_DATA_REG_DATA_SHIFT	0
#define EX_DATA_REG_DATA	GENMASK(4, 0)
#define EX_DATA_REG_ADDR_SHIFT	5
#define EX_DATA_REG_ADDR	GENMASK(9, 5)

#define EX_DATA_REG(reg, gpr)						\
	"((.L__gpr_num_" #gpr ") << " __stringify(EX_DATA_REG_##reg##_SHIFT) ")"

#define _ASM_EXTABLE_UACCESS_ERR_ZERO(insn, fixup, err, zero)		\
	__DEFINE_ASM_GPR_NUMS						\
	__ASM_EXTABLE_RAW(#insn, #fixup, 				\
			  __stringify(EX_TYPE_UACCESS_ERR_ZERO),	\
			  "("						\
			    EX_DATA_REG(ERR, err) " | "			\
			    EX_DATA_REG(ZERO, zero)			\
			  ")")

#define _ASM_EXTABLE_UACCESS_ERR(insn, fixup, err)			\
	_ASM_EXTABLE_UACCESS_ERR_ZERO(insn, fixup, err, zero)

#define _ASM_EXTABLE_LOAD_UNALIGNED_ZEROPAD(insn, fixup, data, addr)		\
	__DEFINE_ASM_GPR_NUMS							\
	__ASM_EXTABLE_RAW(#insn, #fixup,					\
			  __stringify(EX_TYPE_LOAD_UNALIGNED_ZEROPAD),		\
			  "("							\
			    EX_DATA_REG(DATA, data) " | "			\
			    EX_DATA_REG(ADDR, addr)				\
			  ")")

#endif /* __ASSEMBLY__ */

#else /* CONFIG_MMU */
	#define _ASM_EXTABLE_UACCESS_ERR(insn, fixup, err)
#endif /* CONFIG_MMU */

#endif /* __ASM_ASM_EXTABLE_H */

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 vdso/	DIR	—	2026-07-24 06:56
📁 vendor_extensions/	DIR	—	2026-07-24 06:56
📄 acenv.h	H	243 B	2025-09-28 21:39	EDIT
📄 acpi.h	H	2.5 KB	2025-09-28 21:39	EDIT
📄 alternative-macros.h	H	5 KB	2025-09-28 21:39	EDIT
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📄 arch_hweight.h	H	1.6 KB	2025-09-28 21:39	EDIT
📄 archrandom.h	H	1.5 KB	2025-09-28 21:39	EDIT
📄 asm-extable.h	H	2.3 KB	2025-09-28 21:39	EDIT
📄 asm-offsets.h	H	35 B	2025-09-28 21:39	EDIT
📄 asm-prototypes.h	H	2.3 KB	2025-09-28 21:39	EDIT
📄 asm.h	H	4 KB	2025-09-28 21:39	EDIT
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📄 compat.h	H	4.1 KB	2026-07-01 20:12	EDIT
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📄 dma-noncoherent.h	H	835 B	2025-09-28 21:39	EDIT
📄 dmi.h	H	640 B	2025-09-28 21:39	EDIT
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📄 entry-common.h	H	1 KB	2025-09-28 21:39	EDIT
📄 errata_list.h	H	3.7 KB	2025-09-28 21:39	EDIT
📄 exec.h	H	172 B	2025-09-28 21:39	EDIT
📄 extable.h	H	1.5 KB	2025-09-28 21:39	EDIT
📄 fence.h	H	564 B	2025-09-28 21:39	EDIT
📄 fixmap.h	H	1.7 KB	2025-09-28 21:39	EDIT
📄 fpu.h	H	291 B	2025-09-28 21:39	EDIT
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📄 futex.h	H	2.4 KB	2025-09-28 21:39	EDIT
📄 gdb_xml.h	H	5.5 KB	2025-09-28 21:39	EDIT
📄 gpr-num.h	H	2.4 KB	2025-09-28 21:39	EDIT
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📄 hwcap.h	H	3.8 KB	2025-09-28 21:39	EDIT
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📄 kasan.h	H	1.6 KB	2025-09-28 21:39	EDIT
📄 Kbuild	?	453 B	2025-09-28 21:39	EDIT
📄 kdebug.h	H	158 B	2025-09-28 21:39	EDIT
📄 kexec.h	H	2.1 KB	2025-09-28 21:39	EDIT
📄 kfence.h	H	674 B	2025-09-28 21:39	EDIT
📄 kgdb.h	H	2.4 KB	2025-09-28 21:39	EDIT
📄 kprobes.h	H	1.2 KB	2025-09-28 21:39	EDIT
📄 kvm_aia.h	H	5.4 KB	2025-09-28 21:39	EDIT
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📄 kvm_host.h	H	8.2 KB	2025-09-28 21:39	EDIT
📄 kvm_mmu.h	H	721 B	2025-09-28 21:39	EDIT
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📄 kvm_vcpu_sbi.h	H	3.9 KB	2025-09-28 21:39	EDIT
📄 kvm_vcpu_timer.h	H	1.6 KB	2025-09-28 21:39	EDIT
📄 kvm_vcpu_vector.h	H	2 KB	2025-09-28 21:39	EDIT
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📄 linkage.h	H	267 B	2025-09-28 21:39	EDIT
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📄 mmio.h	H	5.2 KB	2025-09-28 21:39	EDIT
📄 mmiowb.h	H	365 B	2025-09-28 21:39	EDIT
📄 mmu.h	H	1 KB	2025-09-28 21:39	EDIT
📄 mmu_context.h	H	1.2 KB	2025-09-28 21:39	EDIT
📄 module.h	H	3.3 KB	2025-09-28 21:39	EDIT
📄 module.lds.h	H	207 B	2025-09-28 21:39	EDIT
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📄 page.h	H	6 KB	2025-09-28 21:39	EDIT
📄 paravirt.h	H	610 B	2025-09-28 21:39	EDIT
📄 paravirt_api_clock.h	H	26 B	2025-09-28 21:39	EDIT
📄 pci.h	H	728 B	2025-09-28 21:39	EDIT
📄 perf_event.h	H	575 B	2025-09-28 21:39	EDIT
📄 pgalloc.h	H	3.2 KB	2025-09-28 21:39	EDIT
📄 pgtable-32.h	H	1.1 KB	2025-09-28 21:39	EDIT
📄 pgtable-64.h	H	9.5 KB	2025-09-28 21:39	EDIT
📄 pgtable-bits.h	H	1.3 KB	2025-09-28 21:39	EDIT
📄 pgtable.h	H	28.2 KB	2026-07-01 20:12	EDIT
📄 probes.h	H	563 B	2025-09-28 21:39	EDIT
📄 processor.h	H	7.3 KB	2025-09-28 21:39	EDIT
📄 ptrace.h	H	4.3 KB	2025-09-28 21:39	EDIT
📄 runtime-const.h	H	7.8 KB	2025-09-28 21:39	EDIT
📄 sbi.h	H	17.8 KB	2025-09-28 21:39	EDIT
📄 scs.h	H	1.1 KB	2025-09-28 21:39	EDIT
📄 seccomp.h	H	504 B	2025-09-28 21:39	EDIT
📄 sections.h	H	883 B	2025-09-28 21:39	EDIT
📄 semihost.h	H	596 B	2025-09-28 21:39	EDIT
📄 set_memory.h	H	2 KB	2025-09-28 21:39	EDIT
📄 signal32.h	H	358 B	2025-09-28 21:39	EDIT
📄 simd.h	H	1.7 KB	2025-09-28 21:39	EDIT
📄 smp.h	H	2.5 KB	2025-09-28 21:39	EDIT
📄 soc.h	H	627 B	2025-09-28 21:39	EDIT
📄 sparsemem.h	H	331 B	2025-09-28 21:39	EDIT
📄 spinlock.h	H	1.3 KB	2025-09-28 21:39	EDIT
📄 stackprotector.h	H	589 B	2025-09-28 21:39	EDIT
📄 stacktrace.h	H	774 B	2025-09-28 21:39	EDIT
📄 string.h	H	1.4 KB	2025-09-28 21:39	EDIT
📄 suspend.h	H	1.9 KB	2025-09-28 21:39	EDIT
📄 switch_to.h	H	3.3 KB	2025-09-28 21:39	EDIT
📄 sync_core.h	H	689 B	2025-09-28 21:39	EDIT
📄 syscall.h	H	2.9 KB	2025-09-28 21:39	EDIT
📄 syscall_table.h	H	137 B	2025-09-28 21:39	EDIT
📄 syscall_wrapper.h	H	4 KB	2025-09-28 21:39	EDIT
📄 text-patching.h	H	449 B	2025-09-28 21:39	EDIT
📄 thread_info.h	H	4 KB	2025-09-28 21:39	EDIT
📄 timex.h	H	1.8 KB	2025-09-28 21:39	EDIT
📄 tlb.h	H	582 B	2025-09-28 21:39	EDIT
📄 tlbbatch.h	H	273 B	2025-09-28 21:39	EDIT
📄 tlbflush.h	H	2.2 KB	2025-09-28 21:39	EDIT
📄 topology.h	H	822 B	2025-09-28 21:39	EDIT
📄 trace.h	H	1 KB	2025-09-28 21:39	EDIT
📄 uaccess.h	H	14 KB	2025-09-28 21:39	EDIT
📄 unistd.h	H	719 B	2025-09-28 21:39	EDIT
📄 uprobes.h	H	1 KB	2025-09-28 21:39	EDIT
📄 vdso.h	H	965 B	2025-09-28 21:39	EDIT
📄 vector.h	H	11.8 KB	2025-09-28 21:39	EDIT
📄 vendor_extensions.h	H	3.2 KB	2025-09-28 21:39	EDIT
📄 vendorid_list.h	H	268 B	2025-09-28 21:39	EDIT
📄 vermagic.h	H	213 B	2025-09-28 21:39	EDIT
📄 vmalloc.h	H	574 B	2025-09-28 21:39	EDIT
📄 word-at-a-time.h	H	1.7 KB	2025-09-28 21:39	EDIT
📄 xip_fixup.h	H	1.5 KB	2025-09-28 21:39	EDIT
📄 xor.h	H	1.7 KB	2025-09-28 21:39	EDIT