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