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80 lines
2.2 KiB
80 lines
2.2 KiB
/* |
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* Copyright (C) 2013 Altera Corporation |
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* Copyright (C) 2010 Tobias Klauser <[email protected]> |
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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 _ASM_NIOS2_PTRACE_H |
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#define _ASM_NIOS2_PTRACE_H |
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#include <uapi/asm/ptrace.h> |
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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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#ifndef __ASSEMBLY__ |
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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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#define user_mode(regs) (((regs)->estatus & ESTATUS_EU)) |
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#define instruction_pointer(regs) ((regs)->ra) |
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#define profile_pc(regs) instruction_pointer(regs) |
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#define user_stack_pointer(regs) ((regs)->sp) |
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extern void show_regs(struct pt_regs *); |
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#define current_pt_regs() \ |
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((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE)\ |
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- 1) |
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int do_syscall_trace_enter(void); |
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void do_syscall_trace_exit(void); |
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#endif /* __ASSEMBLY__ */ |
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#endif /* _ASM_NIOS2_PTRACE_H */
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