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Commit 92d5dd8c authored by Chung-Ling Tang's avatar Chung-Ling Tang Committed by Ley Foon Tan
Browse files

nios2: update pt_regs 



Remove struct pt_regs from user header and use generic ucontext.h.

Signed-off-by: default avatarChung-Ling Tang <cltang@codesourcery.com>
Acked-by: default avatarLey Foon Tan <lftan@altera.com>
parent 9eccca08

arch/nios2/include/asm/ptrace.h

+47 −0
Original line number Diff line number Diff line
@@ -15,7 +15,54 @@ 


#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)

arch/nios2/include/asm/ucontext.h

deleted100644 → 0
+0 −32
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>

 * Copyright (C) 2004 Microtronix Datacom Ltd

 *

 * 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_UCONTEXT_H

#define _ASM_NIOS2_UCONTEXT_H



typedef int greg_t;

#define NGREG 32

typedef greg_t gregset_t[NGREG];



struct mcontext {

	int version;

	gregset_t gregs;

};



#define MCONTEXT_VERSION 2



struct ucontext {

	unsigned long	  uc_flags;

	struct ucontext  *uc_link;

	stack_t		  uc_stack;

	struct mcontext	  uc_mcontext;

	sigset_t	  uc_sigmask;	/* mask last for extensibility */

};



#endif

arch/nios2/include/uapi/asm/Kbuild

+2 −0
Original line number Diff line number Diff line
@@ -2,3 +2,5 @@ include include/uapi/asm-generic/Kbuild.asm 


header-y += elf.h

header-y += ucontext.h



generic-y += ucontext.h

arch/nios2/include/uapi/asm/elf.h

+1 −3
Original line number Diff line number Diff line
@@ -50,9 +50,7 @@ 


typedef unsigned long elf_greg_t;



#define ELF_NGREG	\

	((sizeof(struct pt_regs) + sizeof(struct switch_stack)) /	\

		sizeof(elf_greg_t))

#define ELF_NGREG		49

typedef elf_greg_t elf_gregset_t[ELF_NGREG];



typedef unsigned long elf_fpregset_t;

arch/nios2/include/uapi/asm/ptrace.h

+3 −47
Original line number Diff line number Diff line
@@ -67,53 +67,9 @@ 


#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;

/* User structures for general purpose registers.  */

struct user_pt_regs {

	__u32		regs[49];

};



#endif /* __ASSEMBLY__ */