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/*
* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2004 Microtronix Datacom Ltd
*
* based on m68k asm/processor.h
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef _UAPI_ASM_NIOS2_PTRACE_H
#define _UAPI_ASM_NIOS2_PTRACE_H
#ifndef __ASSEMBLY__
/*
* Register numbers used by 'ptrace' system call interface.
*/
/* GP registers */
#define PTR_R0 0
#define PTR_R1 1
#define PTR_R2 2
#define PTR_R3 3
#define PTR_R4 4
#define PTR_R5 5
#define PTR_R6 6
#define PTR_R7 7
#define PTR_R8 8
#define PTR_R9 9
#define PTR_R10 10
#define PTR_R11 11
#define PTR_R12 12
#define PTR_R13 13
#define PTR_R14 14
#define PTR_R15 15
#define PTR_R16 16
#define PTR_R17 17
#define PTR_R18 18
#define PTR_R19 19
#define PTR_R20 20
#define PTR_R21 21
#define PTR_R22 22
#define PTR_R23 23
#define PTR_R24 24
#define PTR_R25 25
#define PTR_GP 26
#define PTR_SP 27
#define PTR_FP 28
#define PTR_EA 29
#define PTR_BA 30
#define PTR_RA 31
/* Control registers */
#define PTR_PC 32
#define PTR_STATUS 33
#define PTR_ESTATUS 34
#define PTR_BSTATUS 35
#define PTR_IENABLE 36
#define PTR_IPENDING 37
#define PTR_CPUID 38
#define PTR_CTL6 39
#define PTR_CTL7 40
#define PTR_PTEADDR 41
#define PTR_TLBACC 42
#define PTR_TLBMISC 43
#define NUM_PTRACE_REG (PTR_TLBMISC + 1)
/* this struct defines the way the registers are stored on the
stack during a system call.
There is a fake_regs in setup.c that has to match pt_regs.*/
struct pt_regs {
unsigned long r8; /* r8-r15 Caller-saved GP registers */
unsigned long r9;
unsigned long r10;
unsigned long r11;
unsigned long r12;
unsigned long r13;
unsigned long r14;
unsigned long r15;
unsigned long r1; /* Assembler temporary */
unsigned long r2; /* Retval LS 32bits */
unsigned long r3; /* Retval MS 32bits */
unsigned long r4; /* r4-r7 Register arguments */
unsigned long r5;
unsigned long r6;
unsigned long r7;
unsigned long orig_r2; /* Copy of r2 ?? */
unsigned long ra; /* Return address */
unsigned long fp; /* Frame pointer */
unsigned long sp; /* Stack pointer */
unsigned long gp; /* Global pointer */
unsigned long estatus;
unsigned long ea; /* Exception return address (pc) */
unsigned long orig_r7;
};
/*
* This is the extended stack used by signal handlers and the context
* switcher: it's pushed after the normal "struct pt_regs".
*/
struct switch_stack {
unsigned long r16; /* r16-r23 Callee-saved GP registers */
unsigned long r17;
unsigned long r18;
unsigned long r19;
unsigned long r20;
unsigned long r21;
unsigned long r22;
unsigned long r23;
unsigned long fp;
unsigned long gp;
unsigned long ra;
};
#endif /* __ASSEMBLY__ */
#endif /* _UAPI_ASM_NIOS2_PTRACE_H */
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