| /* |
| * 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 */ |