summaryrefslogtreecommitdiffstats
path: root/arch/loongarch/include/uapi/asm/ptrace.h
blob: ac915f84165053964105383889e4d8f48c72f741 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * Author: Hanlu Li <lihanlu@loongson.cn>
 *         Huacai Chen <chenhuacai@loongson.cn>
 *
 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
 */
#ifndef _UAPI_ASM_PTRACE_H
#define _UAPI_ASM_PTRACE_H

#include <linux/types.h>

#ifndef __KERNEL__
#include <stdint.h>
#endif

/*
 * For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs,
 * 32 is syscall's original ARG0, 33 is PC, 34 is BADVADDR.
 */
#define GPR_BASE	0
#define GPR_NUM		32
#define GPR_END		(GPR_BASE + GPR_NUM - 1)
#define ARG0		(GPR_END + 1)
#define PC		(GPR_END + 2)
#define BADVADDR	(GPR_END + 3)

#define NUM_FPU_REGS	32

struct user_pt_regs {
	/* Main processor registers. */
	unsigned long regs[32];

	/* Original syscall arg0. */
	unsigned long orig_a0;

	/* Special CSR registers. */
	unsigned long csr_era;
	unsigned long csr_badv;
	unsigned long reserved[10];
} __attribute__((aligned(8)));

struct user_fp_state {
	uint64_t fpr[32];
	uint64_t fcc;
	uint32_t fcsr;
};

struct user_lsx_state {
	/* 32 registers, 128 bits width per register. */
	uint64_t vregs[32*2];
};

struct user_lasx_state {
	/* 32 registers, 256 bits width per register. */
	uint64_t vregs[32*4];
};

struct user_lbt_state {
	uint64_t scr[4];
	uint32_t eflags;
	uint32_t ftop;
};

struct user_watch_state {
	uint64_t dbg_info;
	struct {
		uint64_t    addr;
		uint64_t    mask;
		uint32_t    ctrl;
		uint32_t    pad;
	} dbg_regs[8];
};

#define PTRACE_SYSEMU			0x1f
#define PTRACE_SYSEMU_SINGLESTEP	0x20

#endif /* _UAPI_ASM_PTRACE_H */