FM / asm

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

/usr/src/linux-headers-5.15.0-181/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-5.15.0-181/arch/arc/include/asm/ptrace.h (3759B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * Amit Bhor, Sameer Dhavale: Codito Technologies 2004
 */
#ifndef __ASM_ARC_PTRACE_H
#define __ASM_ARC_PTRACE_H

#include <uapi/asm/ptrace.h>

#ifndef __ASSEMBLY__

/* THE pt_regs: Defines how regs are saved during entry into kernel */

#ifdef CONFIG_ISA_ARCOMPACT
struct pt_regs {

/* Real registers */
	unsigned long bta;	/* bta_l1, bta_l2, erbta */

unsigned long lp_start, lp_end, lp_count;

unsigned long status32;	/* status32_l1, status32_l2, erstatus */
	unsigned long ret;	/* ilink1, ilink2 or eret */
	unsigned long blink;
	unsigned long fp;
	unsigned long r26;	/* gp */

unsigned long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0;

unsigned long sp;	/* User/Kernel depending on where we came from */
	unsigned long orig_r0;

/*
	 * To distinguish bet excp, syscall, irq
	 * For traps and exceptions, Exception Cause Register.
	 * 	ECR: <00> <VV> <CC> <PP>
	 * 	Last word used by Linux for extra state mgmt (syscall-restart)
	 * For interrupts, use artificial ECR values to note current prio-level
	 */
	union {
		struct {
#ifdef CONFIG_CPU_BIG_ENDIAN
			unsigned long state:8, ecr_vec:8,
				      ecr_cause:8, ecr_param:8;
#else
			unsigned long ecr_param:8, ecr_cause:8,
				      ecr_vec:8, state:8;
#endif
		};
		unsigned long event;
	};

unsigned long user_r25;
};
#else

struct pt_regs {

unsigned long orig_r0;

union {
		struct {
#ifdef CONFIG_CPU_BIG_ENDIAN
			unsigned long state:8, ecr_vec:8,
				      ecr_cause:8, ecr_param:8;
#else
			unsigned long ecr_param:8, ecr_cause:8,
				      ecr_vec:8, state:8;
#endif
		};
		unsigned long event;
	};

unsigned long bta;	/* bta_l1, bta_l2, erbta */

unsigned long user_r25;

unsigned long r26;	/* gp */
	unsigned long fp;
	unsigned long sp;	/* user/kernel sp depending on where we came from  */

unsigned long r12, r30;

#ifdef CONFIG_ARC_HAS_ACCL_REGS
	unsigned long r58, r59;	/* ACCL/ACCH used by FPU / DSP MPY */
#endif
#ifdef CONFIG_ARC_DSP_SAVE_RESTORE_REGS
	unsigned long DSP_CTRL;
#endif

/*------- Below list auto saved by h/w -----------*/
	unsigned long r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;

unsigned long blink;
	unsigned long lp_end, lp_start, lp_count;

unsigned long ei, ldi, jli;

unsigned long ret;
	unsigned long status32;
};

#endif

/* Callee saved registers - need to be saved only when you are scheduled out */

struct callee_regs {
	unsigned long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13;
};

#define instruction_pointer(regs)	((regs)->ret)
#define profile_pc(regs)		instruction_pointer(regs)

/* return 1 if user mode or 0 if kernel mode */
#define user_mode(regs) (regs->status32 & STATUS_U_MASK)

#define user_stack_pointer(regs)\
({  unsigned int sp;		\
	if (user_mode(regs))	\
		sp = (regs)->sp;\
	else			\
		sp = -1;	\
	sp;			\
})

/* return 1 if PC in delay slot */
#define delay_mode(regs) ((regs->status32 & STATUS_DE_MASK) == STATUS_DE_MASK)

#define in_syscall(regs)    ((regs->ecr_vec == ECR_V_TRAP) && !regs->ecr_param)
#define in_brkpt_trap(regs) ((regs->ecr_vec == ECR_V_TRAP) && regs->ecr_param)

#define STATE_SCALL_RESTARTED	0x01

#define syscall_wont_restart(reg) (reg->state |= STATE_SCALL_RESTARTED)
#define syscall_restartable(reg) !(reg->state &  STATE_SCALL_RESTARTED)

#define current_pt_regs()					\
({								\
	/* open-coded current_thread_info() */			\
	register unsigned long sp asm ("sp");			\
	unsigned long pg_start = (sp & ~(THREAD_SIZE - 1));	\
	(struct pt_regs *)(pg_start + THREAD_SIZE) - 1;	\
})

static inline long regs_return_value(struct pt_regs *regs)
{
	return (long)regs->r0;
}

#endif /* !__ASSEMBLY__ */

#endif /* __ASM_PTRACE_H */

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