FM / asm

/usr/src/linux-headers-5.15.0-190/arch/arc/include/asm/

/usr/src/linux-headers-5.15.0-190/arch/arc/include/asm

Name	Size	Mode	Actions
arcregs.h	9477	0644	edit dl rm
asm-offsets.h	165	0644	edit dl rm
asserts.h	958	0644	edit dl rm
atomic-llsc.h	2864	0644	edit dl rm
atomic-spinlock.h	2569	0644	edit dl rm
atomic.h	1153	0644	edit dl rm
atomic64-arcv2.h	6095	0644	edit dl rm
barrier.h	1376	0644	edit dl rm
bitops.h	3885	0644	edit dl rm
bug.h	819	0644	edit dl rm
cache.h	3604	0644	edit dl rm
cacheflush.h	3824	0644	edit dl rm
checksum.h	2371	0644	edit dl rm
cmpxchg.h	3188	0644	edit dl rm
current.h	549	0644	edit dl rm
delay.h	1896	0644	edit dl rm
disasm.h	3813	0644	edit dl rm
dma.h	313	0644	edit dl rm
dsp-impl.h	3860	0644	edit dl rm
dsp.h	796	0644	edit dl rm
dwarf.h	746	0644	edit dl rm
elf.h	1935	0644	edit dl rm
entry-arcv2.h	7419	0644	edit dl rm
entry-compact.h	8810	0644	edit dl rm
entry.h	6687	0644	edit dl rm
exec.h	264	0644	edit dl rm
fb.h	411	0644	edit dl rm
fpu.h	1125	0644	edit dl rm
futex.h	3611	0644	edit dl rm
highmem.h	1422	0644	edit dl rm
hugepage.h	2071	0644	edit dl rm
io.h	6291	0644	edit dl rm
irq.h	679	0644	edit dl rm
irqflags-arcv2.h	3491	0644	edit dl rm
irqflags-compact.h	4293	0644	edit dl rm
irqflags.h	363	0644	edit dl rm
jump_label.h	1976	0644	edit dl rm
Kbuild	153	0644	edit dl rm
kdebug.h	254	0644	edit dl rm
kgdb.h	1239	0644	edit dl rm
kprobes.h	1186	0644	edit dl rm
linkage.h	1484	0644	edit dl rm
mach_desc.h	1943	0644	edit dl rm
mmu-arcv2.h	2494	0644	edit dl rm
mmu.h	387	0644	edit dl rm
mmu_context.h	5568	0644	edit dl rm
module.h	428	0644	edit dl rm
page.h	3313	0644	edit dl rm
pci.h	360	0644	edit dl rm
perf_event.h	6879	0644	edit dl rm
pgalloc.h	2888	0644	edit dl rm
pgtable-bits-arcv2.h	4896	0644	edit dl rm
pgtable-levels.h	5626	0644	edit dl rm
pgtable.h	780	0644	edit dl rm
processor.h	3253	0644	edit dl rm
ptrace.h	3759	0644	edit dl rm
sections.h	261	0644	edit dl rm
segment.h	476	0644	edit dl rm
serial.h	498	0644	edit dl rm
setup.h	1274	0644	edit dl rm
shmparam.h	296	0644	edit dl rm
smp.h	3823	0644	edit dl rm
spinlock.h	8580	0644	edit dl rm
spinlock_types.h	905	0644	edit dl rm
stacktrace.h	1178	0644	edit dl rm
string.h	1036	0644	edit dl rm
switch_to.h	553	0644	edit dl rm
syscall.h	1738	0644	edit dl rm
syscalls.h	547	0644	edit dl rm
thread_info.h	3339	0644	edit dl rm
timex.h	362	0644	edit dl rm
tlb.h	262	0644	edit dl rm
tlbflush.h	1654	0644	edit dl rm
uaccess.h	17019	0644	edit dl rm
unaligned.h	625	0644	edit dl rm
unwind.h	3446	0644	edit dl rm
vermagic.h	157	0644	edit dl rm
vmalloc.h	87	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/arc/include/asm/unwind.h (3446B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 */

#ifndef _ASM_ARC_UNWIND_H
#define _ASM_ARC_UNWIND_H

#ifdef CONFIG_ARC_DW2_UNWIND

#include <linux/sched.h>

struct arc700_regs {
	unsigned long r0;
	unsigned long r1;
	unsigned long r2;
	unsigned long r3;
	unsigned long r4;
	unsigned long r5;
	unsigned long r6;
	unsigned long r7;
	unsigned long r8;
	unsigned long r9;
	unsigned long r10;
	unsigned long r11;
	unsigned long r12;
	unsigned long r13;
	unsigned long r14;
	unsigned long r15;
	unsigned long r16;
	unsigned long r17;
	unsigned long r18;
	unsigned long r19;
	unsigned long r20;
	unsigned long r21;
	unsigned long r22;
	unsigned long r23;
	unsigned long r24;
	unsigned long r25;
	unsigned long r26;
	unsigned long r27;	/* fp */
	unsigned long r28;	/* sp */
	unsigned long r29;
	unsigned long r30;
	unsigned long r31;	/* blink */
	unsigned long r63;	/* pc */
};

struct unwind_frame_info {
	struct arc700_regs regs;
	struct task_struct *task;
	unsigned call_frame:1;
};

#define UNW_PC(frame)		((frame)->regs.r63)
#define UNW_SP(frame)		((frame)->regs.r28)
#define UNW_BLINK(frame)	((frame)->regs.r31)

/* Rajesh FIXME */
#ifdef CONFIG_FRAME_POINTER
#define UNW_FP(frame)		((frame)->regs.r27)
#define FRAME_RETADDR_OFFSET	4
#define FRAME_LINK_OFFSET	0
#define STACK_BOTTOM_UNW(tsk)	STACK_LIMIT((tsk)->thread.ksp)
#define STACK_TOP_UNW(tsk)	((tsk)->thread.ksp)
#else
#define UNW_FP(frame)		((void)(frame), 0)
#endif

#define STACK_LIMIT(ptr)	(((ptr) - 1) & ~(THREAD_SIZE - 1))

#define UNW_REGISTER_INFO \
	PTREGS_INFO(r0), \
	PTREGS_INFO(r1), \
	PTREGS_INFO(r2), \
	PTREGS_INFO(r3), \
	PTREGS_INFO(r4), \
	PTREGS_INFO(r5), \
	PTREGS_INFO(r6), \
	PTREGS_INFO(r7), \
	PTREGS_INFO(r8), \
	PTREGS_INFO(r9), \
	PTREGS_INFO(r10), \
	PTREGS_INFO(r11), \
	PTREGS_INFO(r12), \
	PTREGS_INFO(r13), \
	PTREGS_INFO(r14), \
	PTREGS_INFO(r15), \
	PTREGS_INFO(r16), \
	PTREGS_INFO(r17), \
	PTREGS_INFO(r18), \
	PTREGS_INFO(r19), \
	PTREGS_INFO(r20), \
	PTREGS_INFO(r21), \
	PTREGS_INFO(r22), \
	PTREGS_INFO(r23), \
	PTREGS_INFO(r24), \
	PTREGS_INFO(r25), \
	PTREGS_INFO(r26), \
	PTREGS_INFO(r27), \
	PTREGS_INFO(r28), \
	PTREGS_INFO(r29), \
	PTREGS_INFO(r30), \
	PTREGS_INFO(r31), \
	PTREGS_INFO(r63)

#define UNW_DEFAULT_RA(raItem, dataAlign) \
	((raItem).where == Memory && !((raItem).value * (dataAlign) + 4))

extern int arc_unwind(struct unwind_frame_info *frame);
extern void arc_unwind_init(void);
extern void *unwind_add_table(struct module *module, const void *table_start,
			      unsigned long table_size);
extern void unwind_remove_table(void *handle, int init_only);

static inline int
arch_unwind_init_running(struct unwind_frame_info *info,
			 int (*callback) (struct unwind_frame_info *info,
					  void *arg),
			 void *arg)
{
	return 0;
}

static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
{
	return 0;
}

static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
{
	return;
}

static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
					    struct pt_regs *regs)
{
	return;
}

#else

#define UNW_PC(frame) ((void)(frame), 0)
#define UNW_SP(frame) ((void)(frame), 0)
#define UNW_FP(frame) ((void)(frame), 0)

static inline void arc_unwind_init(void)
{
}

#define unwind_add_table(a, b, c)
#define unwind_remove_table(a, b)

#endif /* CONFIG_ARC_DW2_UNWIND */

#endif /* _ASM_ARC_UNWIND_H */

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