83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2013 Altera Corporation
|
||
|
|
* 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 _ASM_NIOS2_PTRACE_H
|
||
|
|
#define _ASM_NIOS2_PTRACE_H
|
||
|
|
|
||
|
|
#include <uapi/asm/ptrace.h>
|
||
|
|
|
||
|
|
/* This struct defines the way the registers are stored on the
|
||
|
|
stack during a system call. */
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
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;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define user_mode(regs) (((regs)->estatus & ESTATUS_EU))
|
||
|
|
|
||
|
|
#define instruction_pointer(regs) ((regs)->ra)
|
||
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
||
|
|
#define user_stack_pointer(regs) ((regs)->sp)
|
||
|
|
extern void show_regs(struct pt_regs *);
|
||
|
|
|
||
|
|
#define current_pt_regs() \
|
||
|
|
((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE)\
|
||
|
|
- 1)
|
||
|
|
|
||
|
|
#define force_successful_syscall_return() (current_pt_regs()->orig_r2 = -1)
|
||
|
|
|
||
|
|
int do_syscall_trace_enter(void);
|
||
|
|
void do_syscall_trace_exit(void);
|
||
|
|
#endif /* __ASSEMBLY__ */
|
||
|
|
#endif /* _ASM_NIOS2_PTRACE_H */
|