summaryrefslogtreecommitdiffstats
path: root/arch/arc/include/uapi/asm/ptrace.h
blob: 30333cec0fef274365aeb559084d58a5ee023a9b (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
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Amit Bhor, Sameer Dhavale: Codito Technologies 2004
 */

#ifndef _UAPI__ASM_ARC_PTRACE_H
#define _UAPI__ASM_ARC_PTRACE_H


#ifndef __ASSEMBLY__
/*
 * Userspace ABI: Register state needed by
 *  -ptrace (gdbserver)
 *  -sigcontext (SA_SIGNINFO signal frame)
 *
 * This is to decouple pt_regs from user-space ABI, to be able to change it
 * w/o affecting the ABI.
 * Although the layout (initial padding) is similar to pt_regs to have some
 * optimizations when copying pt_regs to/from user_regs_struct.
 *
 * Also, sigcontext only care about the scratch regs as that is what we really
 * save/restore for signal handling.
*/
struct user_regs_struct {

	struct {
		long pad;
		long bta, lp_start, lp_end, lp_count;
		long status32, ret, blink, fp, gp;
		long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0;
		long sp;
	} scratch;
	struct {
		long pad;
		long r25, r24, r23, r22, r21, r20;
		long r19, r18, r17, r16, r15, r14, r13;
	} callee;
	long efa;	/* break pt addr, for break points in delay slots */
	long stop_pc;	/* give dbg stop_pc directly after checking orig_r8 */
};
#endif /* !__ASSEMBLY__ */

#endif /* _UAPI__ASM_ARC_PTRACE_H */