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/usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm

Name	Size	Mode	Actions
native/	-	0755	rm
sn/	-	0755	rm
uv/	-	0755	rm
acenv.h	1153	0644	edit dl rm
acpi-ext.h	444	0644	edit dl rm
acpi.h	2772	0644	edit dl rm
agp.h	863	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	892	0644	edit dl rm
asmmacro.h	3372	0644	edit dl rm
atomic.h	6390	0644	edit dl rm
barrier.h	2414	0644	edit dl rm
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bug.h	404	0644	edit dl rm
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cpu.h	456	0644	edit dl rm
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current.h	418	0644	edit dl rm
cyclone.h	442	0644	edit dl rm
delay.h	1738	0644	edit dl rm
device.h	236	0644	edit dl rm
div64.h	31	0644	edit dl rm
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elf.h	10025	0644	edit dl rm
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esi.h	887	0644	edit dl rm
exception.h	609	0644	edit dl rm
export.h	115	0644	edit dl rm
extable.h	330	0644	edit dl rm
fb.h	569	0644	edit dl rm
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futex.h	2616	0644	edit dl rm
gcc_intrin.h	368	0644	edit dl rm
hardirq.h	561	0644	edit dl rm
hugetlb.h	933	0644	edit dl rm
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idle.h	200	0644	edit dl rm
intrinsics.h	306	0644	edit dl rm
io.h	7527	0644	edit dl rm
iommu.h	505	0644	edit dl rm
iommu_table.h	175	0644	edit dl rm
iosapic.h	2752	0644	edit dl rm
irq.h	960	0644	edit dl rm
irqflags.h	2096	0644	edit dl rm
irq_regs.h	34	0644	edit dl rm
irq_remapping.h	142	0644	edit dl rm
Kbuild	139	0644	edit dl rm
kdebug.h	1011	0644	edit dl rm
kexec.h	1606	0644	edit dl rm
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kregs.h	6890	0644	edit dl rm
libata-portmap.h	225	0644	edit dl rm
linkage.h	398	0644	edit dl rm
local.h	31	0644	edit dl rm
mca.h	6009	0644	edit dl rm
mca_asm.h	7356	0644	edit dl rm
meminit.h	1751	0644	edit dl rm
mman.h	432	0644	edit dl rm
mmiowb.h	433	0644	edit dl rm
mmu.h	374	0644	edit dl rm
mmu_context.h	5304	0644	edit dl rm
mmzone.h	869	0644	edit dl rm
module.h	1154	0644	edit dl rm
module.lds.h	394	0644	edit dl rm
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patch.h	1214	0644	edit dl rm
pci.h	2007	0644	edit dl rm
percpu.h	1354	0644	edit dl rm
pgalloc.h	1569	0644	edit dl rm
pgtable.h	19846	0644	edit dl rm
processor.h	17876	0644	edit dl rm
ptrace.h	5258	0644	edit dl rm
sal.h	27189	0644	edit dl rm
sections.h	1679	0644	edit dl rm
serial.h	446	0644	edit dl rm
shmparam.h	445	0644	edit dl rm
signal.h	749	0644	edit dl rm
smp.h	2514	0644	edit dl rm
sparsemem.h	785	0644	edit dl rm
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spinlock_types.h	475	0644	edit dl rm
string.h	659	0644	edit dl rm
switch_to.h	2702	0644	edit dl rm
syscall.h	1820	0644	edit dl rm
termios.h	1923	0644	edit dl rm
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topology.h	1408	0644	edit dl rm
types.h	828	0644	edit dl rm
uaccess.h	9730	0644	edit dl rm
uncached.h	314	0644	edit dl rm
unistd.h	987	0644	edit dl rm
unwind.h	5873	0644	edit dl rm
user.h	2299	0644	edit dl rm
ustack.h	403	0644	edit dl rm
vermagic.h	341	0644	edit dl rm
vga.h	649	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
xor.h	743	0644	edit dl rm
xtp.h	938	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm/unwind.h (5873B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_UNWIND_H
#define _ASM_IA64_UNWIND_H

/*
 * Copyright (C) 1999-2000, 2003 Hewlett-Packard Co
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 *
 * A simple API for unwinding kernel stacks.  This is used for
 * debugging and error reporting purposes.  The kernel doesn't need
 * full-blown stack unwinding with all the bells and whitles, so there
 * is not much point in implementing the full IA-64 unwind API (though
 * it would of course be possible to implement the kernel API on top
 * of it).
 */

struct task_struct;	/* forward declaration */
struct switch_stack;	/* forward declaration */

enum unw_application_register {
	UNW_AR_BSP,
	UNW_AR_BSPSTORE,
	UNW_AR_PFS,
	UNW_AR_RNAT,
	UNW_AR_UNAT,
	UNW_AR_LC,
	UNW_AR_EC,
	UNW_AR_FPSR,
	UNW_AR_RSC,
	UNW_AR_CCV,
	UNW_AR_CSD,
	UNW_AR_SSD
};

/*
 * The following declarations are private to the unwind
 * implementation:
 */

struct unw_stack {
	unsigned long limit;
	unsigned long top;
};

#define UNW_FLAG_INTERRUPT_FRAME	(1UL << 0)

/*
 * No user of this module should every access this structure directly
 * as it is subject to change.  It is declared here solely so we can
 * use automatic variables.
 */
struct unw_frame_info {
	struct unw_stack regstk;
	struct unw_stack memstk;
	unsigned int flags;
	short hint;
	short prev_script;

/* current frame info: */
	unsigned long bsp;		/* backing store pointer value */
	unsigned long sp;		/* stack pointer value */
	unsigned long psp;		/* previous sp value */
	unsigned long ip;		/* instruction pointer value */
	unsigned long pr;		/* current predicate values */
	unsigned long *cfm_loc;		/* cfm save location (or NULL) */
	unsigned long pt;		/* struct pt_regs location */

struct task_struct *task;
	struct switch_stack *sw;

/* preserved state: */
	unsigned long *bsp_loc;		/* previous bsp save location */
	unsigned long *bspstore_loc;
	unsigned long *pfs_loc;
	unsigned long *rnat_loc;
	unsigned long *rp_loc;
	unsigned long *pri_unat_loc;
	unsigned long *unat_loc;
	unsigned long *pr_loc;
	unsigned long *lc_loc;
	unsigned long *fpsr_loc;
	struct unw_ireg {
		unsigned long *loc;
		struct unw_ireg_nat {
			unsigned long type : 3;		/* enum unw_nat_type */
			signed long off : 61;		/* NaT word is at loc+nat.off */
		} nat;
	} r4, r5, r6, r7;
	unsigned long *b1_loc, *b2_loc, *b3_loc, *b4_loc, *b5_loc;
	struct ia64_fpreg *f2_loc, *f3_loc, *f4_loc, *f5_loc, *fr_loc[16];
};

/*
 * The official API follows below:
 */

struct unw_table_entry {
	u64 start_offset;
	u64 end_offset;
	u64 info_offset;
};

/*
 * Initialize unwind support.
 */
extern void unw_init (void);

extern void *unw_add_unwind_table (const char *name, unsigned long segment_base, unsigned long gp,
				   const void *table_start, const void *table_end);

extern void unw_remove_unwind_table (void *handle);

/*
 * Prepare to unwind blocked task t.
 */
extern void unw_init_from_blocked_task (struct unw_frame_info *info, struct task_struct *t);

extern void unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t,
				 struct switch_stack *sw);

/*
 * Prepare to unwind the currently running thread.
 */
extern void unw_init_running (void (*callback)(struct unw_frame_info *info, void *arg), void *arg);

/*
 * Unwind to previous to frame.  Returns 0 if successful, negative
 * number in case of an error.
 */
extern int unw_unwind (struct unw_frame_info *info);

/*
 * Unwind until the return pointer is in user-land (or until an error
 * occurs).  Returns 0 if successful, negative number in case of
 * error.
 */
extern int unw_unwind_to_user (struct unw_frame_info *info);

#define unw_is_intr_frame(info)	(((info)->flags & UNW_FLAG_INTERRUPT_FRAME) != 0)

static inline int
unw_get_ip (struct unw_frame_info *info, unsigned long *valp)
{
	*valp = (info)->ip;
	return 0;
}

static inline int
unw_get_sp (struct unw_frame_info *info, unsigned long *valp)
{
	*valp = (info)->sp;
	return 0;
}

static inline int
unw_get_psp (struct unw_frame_info *info, unsigned long *valp)
{
	*valp = (info)->psp;
	return 0;
}

static inline int
unw_get_bsp (struct unw_frame_info *info, unsigned long *valp)
{
	*valp = (info)->bsp;
	return 0;
}

static inline int
unw_get_cfm (struct unw_frame_info *info, unsigned long *valp)
{
	*valp = *(info)->cfm_loc;
	return 0;
}

static inline int
unw_set_cfm (struct unw_frame_info *info, unsigned long val)
{
	*(info)->cfm_loc = val;
	return 0;
}

static inline int
unw_get_rp (struct unw_frame_info *info, unsigned long *val)
{
	if (!info->rp_loc)
		return -1;
	*val = *info->rp_loc;
	return 0;
}

extern int unw_access_gr (struct unw_frame_info *, int, unsigned long *, char *, int);
extern int unw_access_br (struct unw_frame_info *, int, unsigned long *, int);
extern int unw_access_fr (struct unw_frame_info *, int, struct ia64_fpreg *, int);
extern int unw_access_ar (struct unw_frame_info *, int, unsigned long *, int);
extern int unw_access_pr (struct unw_frame_info *, unsigned long *, int);

static inline int
unw_set_gr (struct unw_frame_info *i, int n, unsigned long v, char nat)
{
	return unw_access_gr(i, n, &v, &nat, 1);
}

static inline int
unw_set_br (struct unw_frame_info *i, int n, unsigned long v)
{
	return unw_access_br(i, n, &v, 1);
}

static inline int
unw_set_fr (struct unw_frame_info *i, int n, struct ia64_fpreg v)
{
	return unw_access_fr(i, n, &v, 1);
}

static inline int
unw_set_ar (struct unw_frame_info *i, int n, unsigned long v)
{
	return unw_access_ar(i, n, &v, 1);
}

static inline int
unw_set_pr (struct unw_frame_info *i, unsigned long v)
{
	return unw_access_pr(i, &v, 1);
}

#define unw_get_gr(i,n,v,nat)	unw_access_gr(i,n,v,nat,0)
#define unw_get_br(i,n,v)	unw_access_br(i,n,v,0)
#define unw_get_fr(i,n,v)	unw_access_fr(i,n,v,0)
#define unw_get_ar(i,n,v)	unw_access_ar(i,n,v,0)
#define unw_get_pr(i,v)		unw_access_pr(i,v,0)

#endif /* _ASM_UNWIND_H */

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